id
stringlengths
40
40
instruction
stringlengths
68
308
input
stringlengths
17
33.4k
output
stringlengths
100
30k
0fbe7c7d36e89631d3ad90479ba008319362c233
Analyze and fix the following issue in the Linux kernel code: drm/msm/mdss: correct UBWC programming for SM8550
Problem Details: The SM8550 platform employs newer UBWC decoder, which requires slightly different programming. Fixes: a2f33995c19d ("drm/msm: mdss: add support for SM8550") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/550049/ Link: https://lore.kerne...
```diff diff --git a/drivers/gpu/drm/msm/msm_mdss.c b/drivers/gpu/drm/msm/msm_mdss.c index bf68bae23264..e38929205134 100644 --- a/drivers/gpu/drm/msm/msm_mdss.c +++ b/drivers/gpu/drm/msm/msm_mdss.c @@ -189,6 +189,7 @@ static int _msm_mdss_irq_domain_add(struct msm_mdss *msm_mdss) #define UBWC_2_0 0x20000000 #define ...
370891f0d983e6166db81c7fa2cc083c4f072052
Analyze and fix the following issue in the Linux kernel code: drm/msm/dpu: split interrupt address arrays
Problem Details: There is no point in having a single enum (and a single array) for both DPU < 7.0 and DPU >= 7.0 interrupt registers. Instead define a single enum and two IRQ address arrays. Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org> Fixes: c731...
```diff diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c index 0776b0f6df4f..0cecdc847b49 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c @@ -51,11 +51,9 @@ struct dpu_intr_reg { }; ...
30e0191b16e8a58e4620fa3e2839ddc7b9d4281c
Analyze and fix the following issue in the Linux kernel code: ip6mr: Fix skb_under_panic in ip6mr_cache_report()
Problem Details: skbuff: skb_under_panic: text:ffffffff88771f69 len:56 put:-4 head:ffff88805f86a800 data:ffff887f5f86a850 tail:0x88 end:0x2c0 dev:pim6reg ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:192! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 22968 Comm: kworker/2:11 Not ta...
```diff diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index cc3d5ad17257..67a3b8f6e72b 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -1073,7 +1073,7 @@ static int ip6mr_cache_report(const struct mr_table *mrt, struct sk_buff *pkt, And all this only to mangle msg->im6_msgtype and to set msg->im6...
745d7e38e95d782053188be0a8e262ca02bcd6c4
Analyze and fix the following issue in the Linux kernel code: net: dsa: mv88e6xxx: Add erratum 3.14 for 88E6390X and 88E6190X
Problem Details: Fixes XAUI/RXAUI lane alignment errors. Issue causes dropped packets when trying to communicate over fiber via SERDES lanes of port 9 and 10. Errata document applies only to 88E6190X and 88E6390X devices. Requires poking in undocumented registers. Signed-off-by: Ante Knezic <ante.knezic@helmholz.de> R...
```diff diff --git a/drivers/net/dsa/mv88e6xxx/pcs-639x.c b/drivers/net/dsa/mv88e6xxx/pcs-639x.c index 98dd49dac421..ba373656bfe1 100644 --- a/drivers/net/dsa/mv88e6xxx/pcs-639x.c +++ b/drivers/net/dsa/mv88e6xxx/pcs-639x.c @@ -20,6 +20,7 @@ struct mv88e639x_pcs { struct mdio_device mdio; struct phylink_pcs sgmii_pc...
1cfef80d4c2b2c599189f36f36320b205d9447d9
Analyze and fix the following issue in the Linux kernel code: s390/qeth: Don't call dev_close/dev_open (DOWN/UP)
Problem Details: dev_close() and dev_open() are issued to change the interface state to DOWN or UP (dev->flags IFF_UP). When the netdev is set DOWN it loses e.g its Ipv6 addresses and routes. We don't want this in cases of device recovery (triggered by hardware or software) or when the qeth device is set offline. Sett...
```diff diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 1d195429753d..613eab729704 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -716,7 +716,6 @@ struct qeth_card_info { u16 chid; u8 ids_valid:1; /* cssid,iid,chid */ u8 dev_addr_is_registered:1; - u...
5c9241f3ceab3257abe2923a59950db0dc8bb737
Analyze and fix the following issue in the Linux kernel code: net: tap_open(): set sk_uid from current_fsuid()
Problem Details: Commit 66b2c338adce initializes the "sk_uid" field in the protocol socket (struct sock) from the "/dev/tapX" device node's owner UID. Per original commit 86741ec25462 ("net: core: Add a UID field to struct sock.", 2016-11-04), that's wrong: the idea is to cache the UID of the userspace process that cre...
```diff diff --git a/drivers/net/tap.c b/drivers/net/tap.c index 9137fb8c1c42..49d1d6acf95e 100644 --- a/drivers/net/tap.c +++ b/drivers/net/tap.c @@ -534,7 +534,7 @@ static int tap_open(struct inode *inode, struct file *file) q->sock.state = SS_CONNECTED; q->sock.file = file; q->sock.ops = &tap_socket_ops; - soc...
9bc3047374d5bec163e83e743709e23753376f0c
Analyze and fix the following issue in the Linux kernel code: net: tun_chr_open(): set sk_uid from current_fsuid()
Problem Details: Commit a096ccca6e50 initializes the "sk_uid" field in the protocol socket (struct sock) from the "/dev/net/tun" device node's owner UID. Per original commit 86741ec25462 ("net: core: Add a UID field to struct sock.", 2016-11-04), that's wrong: the idea is to cache the UID of the userspace process that ...
```diff diff --git a/drivers/net/tun.c b/drivers/net/tun.c index d75456adc62a..25f0191df00b 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -3469,7 +3469,7 @@ static int tun_chr_open(struct inode *inode, struct file * file) tfile->socket.file = file; tfile->socket.ops = &tun_socket_ops; - sock_init_data...
c71b7aa8619a0c9700132d0733e33999fb614339
Analyze and fix the following issue in the Linux kernel code: drm/panel: samsung-s6d7aa0: Add MODULE_DEVICE_TABLE
Problem Details: The driver can be built as a module, however the lack of the MODULE_DEVICE_TABLE macro prevents it from being automatically probed from the DT in such case. Add the missed macro to make sure the module can load automatically. Fixes: 6810bb390282 ("drm/panel: Add Samsung S6D7AA0 panel controller drive...
```diff diff --git a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c index 102e1fc7ee38..be4ec5bb5223 100644 --- a/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c +++ b/drivers/gpu/drm/panel/panel-samsung-s6d7aa0.c @@ -569,6 +569,7 @@ static const struct of_device_id s6d7aa0_...
43aa43351bb551a7732c1b9f6e8ebb9a6f30b063
Analyze and fix the following issue in the Linux kernel code: ata,scsi: remove ata_sas_port_{start,stop} callbacks
Problem Details: Callbacks are empty now, so remove them. Also, remove the call to ap->ops->port_start() in ata_sas_port_init(), as this would otherwise cause a NULL pointer dereference, now when the callback is gone. Signed-off-by: Hannes Reinecke <hare@suse.de> [niklas: remove the call to ap->ops->port_start() in a...
```diff diff --git a/drivers/ata/libata-sata.c b/drivers/ata/libata-sata.c index cf401a54c9e1..ce392b5b5930 100644 --- a/drivers/ata/libata-sata.c +++ b/drivers/ata/libata-sata.c @@ -1144,40 +1144,6 @@ struct ata_port *ata_sas_port_alloc(struct ata_host *host, } EXPORT_SYMBOL_GPL(ata_sas_port_alloc); -/** - * ata_s...
ff8072d589dcff7c1f0345a6ec98b5fc1e9ee2a1
Analyze and fix the following issue in the Linux kernel code: ata: libata: remove references to non-existing error_handler()
Problem Details: With commit 65a15d6560df ("scsi: ipr: Remove SATA support") all libata drivers now have the error_handler() callback provided, so we can stop checking for non-existing error_handler callback. Signed-off-by: Hannes Reinecke <hare@suse.de> [niklas: fixed review comments, rebased, solved conflicts during...
```diff diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 079ec8d0860f..cc59d3158e1d 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1586,13 +1586,11 @@ static unsigned ata_exec_internal_sg(struct ata_device *dev, } } - if (ap->ops->error_handler) - ata_eh_relea...
671b4493fc18e078022158adbc1f0c6c505b8fd0
Analyze and fix the following issue in the Linux kernel code: ata: sata_sil24: fix parameter type of sil24_exec_polled_cmd()
Problem Details: sil24_exec_polled_cmd() passes its 'unsigned long timeout_msec' parameter to ata_wait_register() that now takes 'unsigned int' -- eliminate unneeded implicit casts, not forgetting about sil24_do_softreset()... Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <dlemoal@ke...
```diff diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index e72a0257990d..142e70bfc498 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -597,7 +597,7 @@ static int sil24_init_port(struct ata_port *ap) static int sil24_exec_polled_cmd(struct ata_port *ap, int pmp, const s...
6da99acbffb41a17ee43d1920e8d82e5ab5a5fb8
Analyze and fix the following issue in the Linux kernel code: ata: ahci_xgene: fix parameter types of xgene_ahci_poll_reg_val()
Problem Details: xgene_ahci_poll_reg_val() passes its 'unsigned long {interval|timeout}' params verbatim to ata_{msleep|deadline}() that just take 'unsigned int' param for the time intervals in ms -- eliminate unneeded implicit cast... Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <d...
```diff diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index 8e88c86a2a78..ccef5e63bdf9 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -110,9 +110,8 @@ static int xgene_ahci_init_memram(struct xgene_ahci_context *ctx) * @timeout : timeout for achieving the value. */ stati...
cc26436452de7599d1e561291dfeaae1004cc610
Analyze and fix the following issue in the Linux kernel code: ata: libahci: fix parameter type of ahci_exec_polled_cmd()
Problem Details: ahci_exec_polled_cmd() passes its 'unsigned long timeout_msec' parameter to ata_wait_register() that now takes 'unsigned int' -- eliminate unneeded implicit casts, not forgetting about ahci_do_softreset()... Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <dlemoal@kern...
```diff diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index ad2bfcbff3bc..e2bacedf28ef 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1403,7 +1403,7 @@ EXPORT_SYMBOL_GPL(ahci_kick_engine); static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp, struct ata_taskfile *tf, int...
8c12536378085ed42e2f2b8223fcf82edda6c1c9
Analyze and fix the following issue in the Linux kernel code: ata: libata-scsi: fix timeout type in ata_scsi_park_store()
Problem Details: ata_scsi_park_store() passes its 'long input' variable (if it's >= 0) to ata_deadline() that now takes 'unsigned int' -- eliminate unneeded implicit cast... Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 370d18aca71e..f39d603f05bc 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -135,11 +135,11 @@ static ssize_t ata_scsi_park_store(struct device *device, struct scsi_device *sdev = to_scsi_device(device); struct...
d14d41cc5aaef138face9d5a145b460e2b63697a
Analyze and fix the following issue in the Linux kernel code: ata: fix debounce timings type
Problem Details: sata_deb_timing_{hotplug|long|normal}[] store 'unsigned long' debounce timeouts in ms, while sata_link_debounce() eventually uses those timeouts by calling ata_{deadline|msleep}( which take just 'unsigned int'. Change the debounce timeout table element's type to 'unsigned int' -- all these timeouts ha...
```diff diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index addba109406b..02503e903e4a 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -807,7 +807,7 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class...
ca02f22516dd0f0a4842ec27916160b4b8fd3e5a
Analyze and fix the following issue in the Linux kernel code: ata: libata-eh: fix reset timeout type
Problem Details: ata_eh_reset_timeouts[] stores 'unsigned long' timeouts in ms, while ata_eh_reset() passes these values to ata_deadline() that takes just 'unsigned int timeout_msecs' parameter. Change the reset timeout table element's type to 'unsigned int' -- all timeouts fit into 'unsigned int' but we have to chang...
```diff diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 35e03679b0bf..0e2acca36c10 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -78,12 +78,12 @@ enum { * are mostly for error handling, hotplug and those outlier devices that * take an exceptionally long time to recover f...
84abed36d7de7145d393f9d5d05b36717e0cb49d
Analyze and fix the following issue in the Linux kernel code: ata: libata-core: fix parameter types of ata_wait_register()
Problem Details: ata_wait_register() passes its 'unsigned long {interval|timeout}' params verbatim to ata_{msleep|deadline}() that just take 'unsigned int' param for the time intervals in ms -- eliminate unneeded implicit casts... Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <dlemoa...
```diff diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 04db0f2c683a..54cc342c0b4f 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6684,7 +6684,7 @@ EXPORT_SYMBOL_GPL(ata_msleep); * The final register value. */ u32 ata_wait_register(struct ata_port *ap, void __io...
63b93099359eca37c11e4d5db5ea2c3a375f6026
Analyze and fix the following issue in the Linux kernel code: ata: libata: fix parameter type of ata_deadline()
Problem Details: ata_deadline() passes its 'unsigned long timeout_msecs' parameter verbatim to msecs_to_jiffies() which takes just 'unsigned int' -- eliminate unneeded implicit cast... Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
```diff diff --git a/include/linux/libata.h b/include/linux/libata.h index 820f7a3a2749..d9edb3d62a42 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1876,7 +1876,7 @@ static inline int ata_check_ready(u8 status) } static inline unsigned long ata_deadline(unsigned long from_jiffies, - unsi...
0a8589055936d8feb56477123a8373ac634018fa
Analyze and fix the following issue in the Linux kernel code: ata,scsi: do not issue START STOP UNIT on resume
Problem Details: During system resume, ata_port_pm_resume() triggers ata EH to 1) Resume the controller 2) Reset and rescan the ports 3) Revalidate devices This EH execution is started asynchronously from ata_port_pm_resume(), which means that when sd_resume() is executed, none or only part of the above processing may ...
```diff diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 370d18aca71e..c6ece32de8e3 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -1100,7 +1100,14 @@ int ata_scsi_dev_config(struct scsi_device *sdev, struct ata_device *dev) } } else { sdev->sector_size = ata_i...
e6e2843230799230fc5deb8279728a7218b0d63c
Analyze and fix the following issue in the Linux kernel code: libceph: fix potential hang in ceph_osdc_notify()
Problem Details: If the cluster becomes unavailable, ceph_osdc_notify() may hang even with osd_request_timeout option set because linger_notify_finish_wait() waits for MWatchNotify NOTIFY_COMPLETE message with no associated OSD request in flight -- it's completely asynchronous. Introduce an additional timeout, derived...
```diff diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c index 11c04e7d928e..658a6f2320cf 100644 --- a/net/ceph/osd_client.c +++ b/net/ceph/osd_client.c @@ -3334,17 +3334,24 @@ static int linger_reg_commit_wait(struct ceph_osd_linger_request *lreq) int ret; dout("%s lreq %p linger_id %llu\n", __func__, ...
31d49ba033095f6e8158c60f69714a500922e0c3
Analyze and fix the following issue in the Linux kernel code: net: dcb: choose correct policy to parse DCB_ATTR_BCN
Problem Details: The dcbnl_bcn_setcfg uses erroneous policy to parse tb[DCB_ATTR_BCN], which is introduced in commit 859ee3c43812 ("DCB: Add support for DCB BCN"). Please see the comment in below code static int dcbnl_bcn_setcfg(...) { ... ret = nla_parse_nested_deprecated(..., dcbnl_pfc_up_nest, .. ) // !!! dcb...
```diff diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index c0c438128575..2e6b8c8fd2de 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -980,7 +980,7 @@ static int dcbnl_bcn_setcfg(struct net_device *netdev, struct nlmsghdr *nlh, return -EOPNOTSUPP; ret = nla_parse_nested_deprecated(data, DCB_BCN_ATTR_MAX,...
54116d442e001e1b6bd482122043b1870998a1f3
Analyze and fix the following issue in the Linux kernel code: Input: rpckbd - fix the return value handle for platform_get_irq()
Problem Details: There is no possible for platform_get_irq() to return 0, and the return value of platform_get_irq() is more sensible to show the error reason. Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com> Link: https://lore.kernel.org/r/20230731122246.2028651-1-ruanjinjie@huawei.com Signed-off-by: Dmitry Torokho...
```diff diff --git a/drivers/input/serio/rpckbd.c b/drivers/input/serio/rpckbd.c index ce420eb1f51b..e8a9709f32eb 100644 --- a/drivers/input/serio/rpckbd.c +++ b/drivers/input/serio/rpckbd.c @@ -101,12 +101,12 @@ static int rpckbd_probe(struct platform_device *dev) int tx_irq, rx_irq; rx_irq = platform_get_irq(de...
1832fba7f9780aff67c96ad30f397c2d76141833
Analyze and fix the following issue in the Linux kernel code: drm: xlnx: zynqmp_dpsub: Add missing check for dma_set_mask
Problem Details: Add check for dma_set_mask() and return the error if it fails. Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Tomi Valkeinen <t...
```diff diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c index 9d64a8d98372..88eb33acd5f0 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c @@ -227,7 +227,9 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev) dpsub->dev = &pdev-...
1b0fc0345f2852ffe54fb9ae0e12e2ee69ad6a20
Analyze and fix the following issue in the Linux kernel code: Documentation/x86: Fix backwards on/off logic about YMM support
Problem Details: These options clearly turn *off* XSAVE YMM support. Correct the typo. Reported-by: Ben Hutchings <ben@decadent.org.uk> Fixes: 553a5c03e90a ("x86/speculation: Add force option to GDS mitigation") Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
```diff diff --git a/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst b/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst index 40b7a6260010..264bfa937f7d 100644 --- a/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst +++ b/Documentation/admin-guide/hw-vuln/gather_data_sampling.rst @@ -63,7 ...
08450ea98ae98d5a35145b675b76db616046ea11
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Fix max_mtu setting for multi-buf XDP
Problem Details: The existing code does not allow the MTU to be set to the maximum even after an XDP program supporting multiple buffers is attached. Fix it to set the netdev->max_mtu to the maximum value if the attached XDP program supports mutiple buffers, regardless of the current MTU value. Also use a local varia...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 4d36de6915a0..1eb490c48c52 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -4001,26 +4001,29 @@ void bnxt_set_ring_params(struct bnxt *bp) */ int ...
f6974b4c2d8e1062b5a52228ee47293c15b4ee1e
Analyze and fix the following issue in the Linux kernel code: bnxt_en: Fix page pool logic for page size >= 64K
Problem Details: The RXBD length field on all bnxt chips is 16-bit and so we cannot support a full page when the native page size is 64K or greater. The non-XDP (non page pool) code path has logic to handle this but the XDP page pool code path does not handle this. Add the missing logic to use page_pool_dev_alloc_frag...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 06b238bef9dd..4d36de6915a0 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -699,17 +699,24 @@ next_tx_int: static struct page *__bnxt_alloc_rx_pag...
3ff1617450eceb290ac17120fc172815e09a93cf
Analyze and fix the following issue in the Linux kernel code: selftest: net: Assert on a proper value in so_incoming_cpu.c.
Problem Details: Dan Carpenter reported an error spotted by Smatch. ./tools/testing/selftests/net/so_incoming_cpu.c:163 create_clients() error: uninitialized symbol 'ret'. The returned value of sched_setaffinity() should be checked with ASSERT_EQ(), but the value was not saved in a proper variable, resulting in a...
```diff diff --git a/tools/testing/selftests/net/so_incoming_cpu.c b/tools/testing/selftests/net/so_incoming_cpu.c index 0e04f9fef986..a14818164102 100644 --- a/tools/testing/selftests/net/so_incoming_cpu.c +++ b/tools/testing/selftests/net/so_incoming_cpu.c @@ -159,7 +159,7 @@ void create_clients(struct __test_metadat...
ceaac91dcd065db781d1ed5dfaef0686b8ec44dc
Analyze and fix the following issue in the Linux kernel code: net: make sure we never create ifindex = 0
Problem Details: Instead of allocating from 1 use proper xa_init flag, to protect ourselves from IDs wrapping back to 0. Fixes: 759ab1edb56c ("net: store netdevs in an xarray") Reported-by: Stephen Hemminger <stephen@networkplumber.org> Link: https://lore.kernel.org/all/20230728162350.2a6d4979@hermes.local/ Reviewed-b...
```diff diff --git a/net/core/dev.c b/net/core/dev.c index b58674774a57..10e5a036c706 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -11271,8 +11271,7 @@ static int __net_init netdev_init(struct net *net) if (net->dev_index_head == NULL) goto err_idx; - net->ifindex = 1; - xa_init_flags(&net->dev_by_index, ...
f3bb7759a924713bc54d15f6d0d70733b5935fad
Analyze and fix the following issue in the Linux kernel code: net: netsec: Ignore 'phy-mode' on SynQuacer in DT mode
Problem Details: As documented in acd7aaf51b20 ("netsec: ignore 'phy-mode' device property on ACPI systems") the SocioNext SynQuacer platform ships with firmware defining the PHY mode as RGMII even though the physical configuration of the PHY is for TX and RX delays. Since bbc4d71d63549bc ("net: phy: realtek: fix rtl8...
```diff diff --git a/drivers/net/ethernet/socionext/netsec.c b/drivers/net/ethernet/socionext/netsec.c index 2d7347b71c41..0dcd6a568b06 100644 --- a/drivers/net/ethernet/socionext/netsec.c +++ b/drivers/net/ethernet/socionext/netsec.c @@ -1851,6 +1851,17 @@ static int netsec_of_probe(struct platform_device *pdev, re...
0b6291ad1940c403734312d0e453e8dac9148f69
Analyze and fix the following issue in the Linux kernel code: net: korina: handle clk prepare error in korina_probe()
Problem Details: in korina_probe(), the return value of clk_prepare_enable() should be checked since it might fail. we can use devm_clk_get_optional_enabled() instead of devm_clk_get_optional() and clk_prepare_enable() to automatically handle the error. Fixes: e4cd854ec487 ("net: korina: Get mdio input clock via commo...
```diff diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c index 2b9335cb4bb3..8537578e1cf1 100644 --- a/drivers/net/ethernet/korina.c +++ b/drivers/net/ethernet/korina.c @@ -1302,11 +1302,10 @@ static int korina_probe(struct platform_device *pdev) else if (of_get_ethdev_address(pdev->dev.of_n...
005c9600003eabcb22336f37e149eed08f0a946a
Analyze and fix the following issue in the Linux kernel code: net/macmace: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
Problem Details: Since zero-length arrays are deprecated, we are replacing them with C99 flexible-array members. As a result, instead of declaring a zero-length array, use the new DECLARE_FLEX_ARRAY() helper macro. This fixes warnings such as: ./drivers/net/ethernet/apple/macmace.c:80:4-8: WARNING use flexible-array m...
```diff diff --git a/drivers/net/ethernet/apple/macmace.c b/drivers/net/ethernet/apple/macmace.c index 8fcaf1639920..8775c3234e91 100644 --- a/drivers/net/ethernet/apple/macmace.c +++ b/drivers/net/ethernet/apple/macmace.c @@ -77,7 +77,7 @@ struct mace_frame { u8 pad4; u32 pad5; u32 pad6; - u8 data[1]; + DECLARE_...
ea45025de81b4922048bae75d717a9ebf41bc6e8
Analyze and fix the following issue in the Linux kernel code: drm/xlnx/zynqmp_dp: Fix function name zynqmp_dp_link_train() -> zynqmp_dp_train()
Problem Details: Fixes the following W=1 kernel build warning(s): drivers/gpu/drm/xlnx/zynqmp_dp.c:793: warning: expecting prototype for zynqmp_dp_link_train(). Prototype was for zynqmp_dp_train() instead Signed-off-by: Lee Jones <lee@kernel.org> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Sign...
```diff diff --git a/drivers/gpu/drm/xlnx/zynqmp_dp.c b/drivers/gpu/drm/xlnx/zynqmp_dp.c index 0a7b466446fb..a0606fab0e22 100644 --- a/drivers/gpu/drm/xlnx/zynqmp_dp.c +++ b/drivers/gpu/drm/xlnx/zynqmp_dp.c @@ -784,7 +784,7 @@ static int zynqmp_dp_link_train_ce(struct zynqmp_dp *dp) } /** - * zynqmp_dp_link_train -...
b99225b4fe297d07400f9e2332ecd7347b224f8d
Analyze and fix the following issue in the Linux kernel code: USB: zaurus: Add ID for A-300/B-500/C-700
Problem Details: The SL-A300, B500/5600, and C700 devices no longer auto-load because of "usbnet: Remove over-broad module alias from zaurus." This patch adds IDs for those 3 devices. Link: https://bugzilla.kernel.org/show_bug.cgi?id=217632 Fixes: 16adf5d07987 ("usbnet: Remove over-broad module alias from zaurus.") Si...
```diff diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index c00a89b24df9..6d61052353f0 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -618,9 +618,23 @@ static const struct usb_device_id products[] = { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO | USB_DEV...
ef45e8400f5bb66b03cc949f76c80e2a118447de
Analyze and fix the following issue in the Linux kernel code: net: ll_temac: fix error checking of irq_of_parse_and_map()
Problem Details: Most kernel functions return negative error codes but some irq functions return zero on error. In this code irq_of_parse_and_map(), returns zero and platform_get_irq() returns negative error codes. We need to handle both cases appropriately. Fixes: 8425c41d1ef7 ("net: ll_temac: Extend support to non...
```diff diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index e0ac1bcd9925..49f303353ecb 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -1567,12 +1567,16 @@ static int temac_probe(struct platform_device...
688b419c57c13637d95d7879e165fff3dec581eb
Analyze and fix the following issue in the Linux kernel code: nvme-pci: add NVME_QUIRK_BOGUS_NID for Samsung PM9B1 256G and 512G
Problem Details: The Samsung PM9B1 512G SSD found in some Lenovo Yoga 7 14ARB7 laptop units reports eui as 0001000200030004 when resuming from s2idle, causing the device to be removed with this error in dmesg: nvme nvme0: identifiers changed for nsid 1 To fix this, add a quirk to ignore namespace identifiers for this...
```diff diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index baf69af7ea78..2f57da12d983 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -3402,7 +3402,8 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_DEVICE(0x1d97, 0x2263), /* SPCC */ .driver_data = NVME_QUIRK...
d823445b09a2f1c43877b87a55fc699c3a836fc2
Analyze and fix the following issue in the Linux kernel code: drm/i915/uncore: fix race around i915->params.mmio_debug
Problem Details: Only check the conditions for unclaimed reg debug once to avoid locking problems when i915->params.mmio_debug changes between header and footer. Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/8749 Cc: Lee Shawn C <shawn.c.lee@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>...
```diff diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index a88aa342b623..dfefad5a5fec 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1925,27 +1925,26 @@ __unclaimed_previous_reg_debug(struct intel_uncore *uncore, i915_mmio_reg...
7afe2340641dc006aad8f356665b1f157509fd3a
Analyze and fix the following issue in the Linux kernel code: drm/i915/uncore: split unclaimed_reg_debug() to header and footer
Problem Details: Make it easier to have different logic for the two for follow-up. Cc: Lee Shawn C <shawn.c.lee@intel.com> Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/8a0a93f08314f8d7e222a907d9aa5e0b89cb96...
```diff diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index 796ebfe6c550..a88aa342b623 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -1926,10 +1926,8 @@ __unclaimed_previous_reg_debug(struct intel_uncore *uncore, } static inlin...
39b5ba6cb56962d2ac83e4dd89f68538f7861efe
Analyze and fix the following issue in the Linux kernel code: regulator: max77857: change some variables to static
Problem Details: max77857_regmap_config and max77857_driver are only used in max77857-regulator.c now, change them to static. Fixes: af71cccadeced ("regulator: max77857: Add ADI MAX77857/59/MAX77831 Regulator Support") Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> Link: https://lore.kernel.org/r/20230801130...
```diff diff --git a/drivers/regulator/max77857-regulator.c b/drivers/regulator/max77857-regulator.c index 58f825d8d2b0..f2141b5be780 100644 --- a/drivers/regulator/max77857-regulator.c +++ b/drivers/regulator/max77857-regulator.c @@ -67,7 +67,7 @@ static bool max77857_volatile_reg(struct device *dev, unsigned int reg)...
11958528161731c58e105b501ed60b83a91ea941
Analyze and fix the following issue in the Linux kernel code: wifi: mwifiex: Fix OOB and integer underflow when rx packets
Problem Details: Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet not out-of-bounds access the skb->data buffer. Fixes: 2dbaf751b1de ("mwifiex: report received management frames to cfg80211") Signed-off-b...
```diff diff --git a/drivers/net/wireless/marvell/mwifiex/sta_rx.c b/drivers/net/wireless/marvell/mwifiex/sta_rx.c index 13659b02ba88..f2899d53a43f 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_rx.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_rx.c @@ -86,6 +86,14 @@ int mwifiex_process_rx_packet(struct mwifi...
388acb471662c273d94163a8502f09668f380686
Analyze and fix the following issue in the Linux kernel code: s390/ptrace: add missing linux/const.h include
Problem Details: Adrian Reber reported the following CRIU build bug after commit b8af5999779d ("s390/ptrace: make all psw related defines also available for asm"): compel/arch/s390/src/lib/infect.c: In function 'arch_can_dump_task': compel/arch/s390/src/lib/infect.c:523:25: error: 'UL' undeclared (first use in this fu...
```diff diff --git a/arch/s390/include/uapi/asm/ptrace.h b/arch/s390/include/uapi/asm/ptrace.h index f0fe3bcc78a8..bb0826024bb9 100644 --- a/arch/s390/include/uapi/asm/ptrace.h +++ b/arch/s390/include/uapi/asm/ptrace.h @@ -8,6 +8,8 @@ #ifndef _UAPI_S390_PTRACE_H #define _UAPI_S390_PTRACE_H +#include <linux/const.h>...
2ef14155c29b69c40350ee845a8dc051283e1ac2
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: phy: rate pattern handles HW rate by chip gen
Problem Details: Rate pattern is controlled by 'iw bitrates' to fix rate as desired, and we extend to support v1 rate. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230728070252.66525...
```diff diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index fb15c852fdd4..e0d4b97a372d 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -444,6 +444,12 @@ static bool __check_rate_pattern(struct rtw89_phy_rate_patte...
942999c48cb382feb53c6da7679a994c97963836
Analyze and fix the following issue in the Linux kernel code: wifi: rtw89: Fix loading of compressed firmware
Problem Details: When using compressed firmware, the early firmware load feature will fail. In most cases, the only downside is that if a device has more than one firmware version available, only the last one listed will be loaded. In at least two cases, there is no firmware loaded, and the device fails initialization....
```diff diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c index 9637f5e48d84..d44628a90046 100644 --- a/drivers/net/wireless/realtek/rtw89/fw.c +++ b/drivers/net/wireless/realtek/rtw89/fw.c @@ -312,31 +312,17 @@ rtw89_early_fw_feature_recognize(struct device *device, s...
76edfcf430cc2fa1abcfb910a2643eed102a1590
Analyze and fix the following issue in the Linux kernel code: HID: i2c-hid: Do panel follower work on the system_wq
Problem Details: Turning on an i2c-hid device can be a slow process. This is why i2c-hid devices use PROBE_PREFER_ASYNCHRONOUS. Unfortunately, when we're a panel follower the i2c-hid power up sequence now blocks the power on of the panel. Let's fix that by scheduling the work on the system_wq. Reviewed-by: Maxime Ripa...
```diff diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index fc3087a983f5..9601c0605fd9 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -110,7 +110,9 @@ struct i2c_hid { struct i2chid_ops *ops; struct drm_panel_follower panel_follow...
5f8838e9405d74522f075e20864cce1cda604bfe
Analyze and fix the following issue in the Linux kernel code: HID: i2c-hid: Suspend i2c-hid devices in remove
Problem Details: In the i2c-hid remove() function we currently try to power off, depopulate our child device, and free our resources. That's OK, but... * If the i2c-hid device is on a power rail that can't turn off (either an always-on or a shared power rail) we won't try to put the device in a low power state dur...
```diff diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c index fa8a1ca43d7f..46658ed6380f 100644 --- a/drivers/hid/i2c-hid/i2c-hid-core.c +++ b/drivers/hid/i2c-hid/i2c-hid-core.c @@ -941,7 +941,7 @@ static void i2c_hid_core_shutdown_tail(struct i2c_hid *ihid) ihid->ops->shutdown_ta...
0a8c264d51ad3196a3239e731be51d2cc98f9337
Analyze and fix the following issue in the Linux kernel code: iommu/arm-smmu: Clean up resource handling during Qualcomm context probe
Problem Details: Convert to use devm_platform_ioremap_resource() and fix return value when platform_get_irq fails. Signed-off-by: Yangtao Li <frank.li@vivo.com> Link: https://lore.kernel.org/r/20230705130416.46710-1-frank.li@vivo.com Signed-off-by: Will Deacon <will@kernel.org>
```diff diff --git a/drivers/iommu/arm/arm-smmu/qcom_iommu.c b/drivers/iommu/arm/arm-smmu/qcom_iommu.c index a503ed758ec3..abf798104830 100644 --- a/drivers/iommu/arm/arm-smmu/qcom_iommu.c +++ b/drivers/iommu/arm/arm-smmu/qcom_iommu.c @@ -633,7 +633,6 @@ static int qcom_iommu_ctx_probe(struct platform_device *pdev) s...
1d7dd5aa35474e553b8671b58579e0749b560779
Analyze and fix the following issue in the Linux kernel code: wifi: ray_cs: Replace 1-element array with flexible array
Problem Details: The trailing array member of struct tx_buf was defined as a 1-element array, but used as a flexible array. This was resulting in build warnings: In function 'fortify_memset_chk', inlined from 'memset_io' at /kisskb/src/arch/mips/include/asm/io.h:486:2, inlined from 'build_auth_fram...
```diff diff --git a/drivers/net/wireless/legacy/rayctl.h b/drivers/net/wireless/legacy/rayctl.h index 2b0f332043d7..1f3bde8ac73d 100644 --- a/drivers/net/wireless/legacy/rayctl.h +++ b/drivers/net/wireless/legacy/rayctl.h @@ -577,7 +577,7 @@ struct tx_msg { struct tib_structure tib; struct phy_header phy; ...
5087fd9e80e539d2163accd045b73da64de7de95
Analyze and fix the following issue in the Linux kernel code: ima: Remove deprecated IMA_TRUSTED_KEYRING Kconfig
Problem Details: Time to remove "IMA_TRUSTED_KEYRING". Fixes: f4dc37785e9b ("integrity: define '.evm' as a builtin 'trusted' keyring") # v4.5+ Signed-off-by: Nayna Jain <nayna@linux.ibm.com> Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
```diff diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig index 60a511c6b583..c17660bf5f34 100644 --- a/security/integrity/ima/Kconfig +++ b/security/integrity/ima/Kconfig @@ -248,18 +248,6 @@ config IMA_APPRAISE_MODSIG The modsig keyword can be used in the IMA policy to allow a hook ...
16e95a62eed18864aecac404f1e4eed764c363f2
Analyze and fix the following issue in the Linux kernel code: powercap: intel_rapl: Fix a sparse warning in TPMI interface
Problem Details: Depends on the interface used, the RAPL registers can be either MSR indexes or memory mapped IO addresses. Current RAPL common code uses u64 to save both MSR and memory mapped IO registers. With this, when handling register address with an __iomem annotation, it triggers a sparse warning like below: s...
```diff diff --git a/drivers/powercap/intel_rapl_common.c b/drivers/powercap/intel_rapl_common.c index 4e646e5e48f6..8fac57b28f8a 100644 --- a/drivers/powercap/intel_rapl_common.c +++ b/drivers/powercap/intel_rapl_common.c @@ -818,7 +818,7 @@ static int rapl_read_data_raw(struct rapl_domain *rd, return -EINVAL; ...
2dc0bc1138eecc88b2c376ccb0b0acb215c25a5c
Analyze and fix the following issue in the Linux kernel code: powerpc/64e: Fix secondary thread bringup for ELFv2 kernels
Problem Details: When booting on e6500 with an ELF v2 ABI kernel, the secondary threads do not start correctly: [ 0.051118] smp: Bringing up secondary CPUs ... [ 5.072700] Processor 1 is stuck. This occurs because the startup code is written to use function descriptors when loading the entry point for t...
```diff diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index f132d8704263..6440b1bb332a 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S @@ -375,8 +375,7 @@ _GLOBAL(generic_secondary_smp_init) beq 20f /* start the specified thread */ - LOAD_REG_ADDR(r5, fs...
f3ec2b5d879ef5bbcb24678914641343cb6399a2
Analyze and fix the following issue in the Linux kernel code: xfrm: don't skip free of empty state in acquire policy
Problem Details: In destruction flow, the assignment of NULL to xso->dev caused to skip of xfrm_dev_state_free() call, which was called in xfrm_state_put(to_put) routine. Instead of open-coded variant of xfrm_dev_state_delete() and xfrm_dev_state_free(), let's use them directly. Fixes: f8a70afafc17 ("xfrm: add TX dat...
```diff diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 151ca95dd08d..363c7d510554 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1984,6 +1984,7 @@ static inline void xfrm_dev_state_free(struct xfrm_state *x) if (dev->xfrmdev_ops->xdo_dev_state_free) dev->xfrmdev_ops->xdo_dev_state_free(...
982c3aca8bac8ae38acdc940e4f1ecec3bffc623
Analyze and fix the following issue in the Linux kernel code: xfrm: delete offloaded policy
Problem Details: The policy memory was released but not HW driver data. Add call to xfrm_dev_policy_delete(), so drivers will have a chance to release their resources. Fixes: 919e43fad516 ("xfrm: add an interface to offload policy") Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Steffen Klassert <st...
```diff diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index f06d6deb58dd..ad01997c3aa9 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2345,6 +2345,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, NETLINK_CB(skb).portid); } } else { + xfrm_dev_policy...
a337b64f0d5717248a0c894e2618e658e6a9de9f
Analyze and fix the following issue in the Linux kernel code: drm/i915: Fix premature release of request's reusable memory
Problem Details: Infinite waits for completion of GPU activity have been observed in CI, mostly inside __i915_active_wait(), triggered by igt@gem_barrier_race or igt@perf@stress-open-close. Root cause analysis, based of ftrace dumps generated with a lot of extra trace_printk() calls added to the code, revealed loops o...
```diff diff --git a/drivers/gpu/drm/i915/i915_active.c b/drivers/gpu/drm/i915/i915_active.c index 8ef93889061a..5ec293011d99 100644 --- a/drivers/gpu/drm/i915/i915_active.c +++ b/drivers/gpu/drm/i915/i915_active.c @@ -449,8 +449,11 @@ int i915_active_add_request(struct i915_active *ref, struct i915_request *rq) } ...
6a35f22d222528e1b157c6978c9424d2f8cbe0a1
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Support aux invalidation on all engines
Problem Details: Perform some refactoring with the purpose of keeping in one single place all the operations around the aux table invalidation. With this refactoring add more engines where the invalidation should be performed. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Signed-off...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index ec7a0ddf9e12..2702ad4c26c8 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -165,21 +165,47 @@ static u32 preparser_disable(bool state) return MI_ARB_CH...
0fde2f23516a00fd90dfb980b66b4665fcbfa659
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Poll aux invalidation register bit on invalidation
Problem Details: For platforms that use Aux CCS, wait for aux invalidation to complete by checking the aux invalidation register bit is cleared. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com> Signed-off-by: Andi Shyti <andi.sh...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index ec54d36eaef7..ec7a0ddf9e12 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -184,7 +184,15 @@ u32 *gen12_emit_aux_table_inv(struct intel_gt *gt, u32 *cs, ...
824df77ab2107d8d4740b834b276681a41ae1ac8
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Enable the CCS_FLUSH bit in the pipe control and in the CS
Problem Details: Enable the CCS_FLUSH bit 13 in the control pipe for render and compute engines in platforms starting from Meteor Lake (BSPEC 43904 and 47112). For the copy engine add MI_FLUSH_DW_CCS (bit 16) in the command streamer. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Req...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 5d2175e918dd..ec54d36eaef7 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -230,6 +230,13 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) ...
78a6ccd65fa3a7cc697810db079cc4b84dff03d5
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Ensure memory quiesced before invalidation
Problem Details: All memory traffic must be quiesced before requesting an aux invalidation on platforms that use Aux CCS. Fixes: 972282c4cf24 ("drm/i915/gen12: Add aux table invalidate for all engines") Requires: a2a4aa0eef3b ("drm/i915: Add the gen12_needs_ccs_aux_inv helper") Signed-off-by: Jonathan Cavitt <jonathan...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 460c9225a50f..6210b38a2d38 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -214,7 +214,11 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) ...
d14560ac1b595aa2e792365e91fea6aeaee66c2b
Analyze and fix the following issue in the Linux kernel code: drm/i915/gt: Cleanup aux invalidation registers
Problem Details: Fix the 'NV' definition postfix that is supposed to be INV. Take the chance to also order properly the registers based on their address and call the GEN12_GFX_CCS_AUX_INV address as GEN12_CCS_AUX_INV like all the other similar registers. Remove also VD1, VD3 and VE1 registers that don't exist and add...
```diff diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index 23857cc08eca..563efee05560 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -287,8 +287,8 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) ...
8798481b667fa7c9bbd5aa843bf1557ada699964
Analyze and fix the following issue in the Linux kernel code: net/sched: wrap open coded Qdics class filter counter
Problem Details: The 'filter_cnt' counter is used to control a Qdisc class lifetime. Each filter referecing this class by its id will eventually increment/decrement this counter in their respective 'add/update/delete' routines. As these operations are always serialized under rtnl lock, we don't need an atomic type like...
```diff diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index 15be2d96b06d..f232512505f8 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -599,6 +599,7 @@ get_default_qdisc_ops(const struct net_device *dev, int ntx) struct Qdisc_class_common { u32 classid; + unsigned i...
bc2aa99b2306bc9d91586bc9187bfef4e61d3882
Analyze and fix the following issue in the Linux kernel code: drm/panel: sitronix-st7789v: improve error handling
Problem Details: Improve error handling in the probe routine, so that probe defer errors are captured in /sys/kernel/debug/devices_deferred Reviewed-by: Michael Riesch <michael.riesch@wolfvision.net> Signed-off-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org> Link: https...
```diff diff --git a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c index 6290bd49d055..a6d6155ef45c 100644 --- a/drivers/gpu/drm/panel/panel-sitronix-st7789v.c +++ b/drivers/gpu/drm/panel/panel-sitronix-st7789v.c @@ -348,32 +348,33 @@ static const struct drm_panel_funcs...
b93e0e203e27492a2277169e05ac59afb9bf7fcd
Analyze and fix the following issue in the Linux kernel code: dt-bindings: vendor-prefixes: add Inanbo
Problem Details: Shenzhen INANBO Electronic Technology Co., Ltd. manufacturers TFT/OLED LCD panels. Reviewed-by: Michael Riesch <michael.riesch@wolfvision.net> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Sebastian Reichel <sre@kernel.org> Signed-off-by: Neil Armstrong <neil.armstrong@...
```diff diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml index af60bf1a6664..1e2e51401dc5 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -617,6 +617,8 @@ patte...
94c43de73521d8ed7ebcfc6191d9dace1cbf7caa
Analyze and fix the following issue in the Linux kernel code: erofs: fix wrong primary bvec selection on deduplicated extents
Problem Details: When handling deduplicated compressed data, there can be multiple decompressed extents pointing to the same compressed data in one shot. In such cases, the bvecs which belong to the longest extent will be selected as the primary bvecs for real decompressors to decode and the other duplicated bvecs wil...
```diff diff --git a/fs/erofs/zdata.c b/fs/erofs/zdata.c index b69d89a11dd0..de4f12152b62 100644 --- a/fs/erofs/zdata.c +++ b/fs/erofs/zdata.c @@ -1144,10 +1144,11 @@ static void z_erofs_do_decompressed_bvec(struct z_erofs_decompress_backend *be, struct z_erofs_bvec *bvec) { struct z_erofs_bvec_item *item; + ...
0f249678fef4332d26178d264620c2437003dd09
Analyze and fix the following issue in the Linux kernel code: drm/tests: Alloc drm_device on drm_exec tests
Problem Details: The drm_exec tests where crashing[0] because of a null dereference. This is caused by a new access of the `driver` attribute of `struct drm_driver` on drm_gem_private_object_init(). Alloc the drm_device to fix that. [0] [15:05:24] ================== drm_exec (6 subtests) =================== [15:05:24]...
```diff diff --git a/drivers/gpu/drm/tests/drm_exec_test.c b/drivers/gpu/drm/tests/drm_exec_test.c index 727ac267682e..f79c9f0359aa 100644 --- a/drivers/gpu/drm/tests/drm_exec_test.c +++ b/drivers/gpu/drm/tests/drm_exec_test.c @@ -12,11 +12,35 @@ #include <drm/drm_exec.h> #include <drm/drm_device.h> +#include <drm/...
13d2618b48f15966d1adfe1ff6a1985f5eef40ba
Analyze and fix the following issue in the Linux kernel code: bpf: sockmap: Remove preempt_disable in sock_map_sk_acquire
Problem Details: Disabling preemption in sock_map_sk_acquire conflicts with GFP_ATOMIC allocation later in sk_psock_init_link on PREEMPT_RT kernels, since GFP_ATOMIC might sleep on RT (see bpf: Make BPF and PREEMPT_RT co-exist patchset notes for details). This causes calling bpf_map_update_elem on BPF_MAP_TYPE_SOCKMAP...
```diff diff --git a/net/core/sock_map.c b/net/core/sock_map.c index 19538d628714..08ab108206bf 100644 --- a/net/core/sock_map.c +++ b/net/core/sock_map.c @@ -115,7 +115,6 @@ static void sock_map_sk_acquire(struct sock *sk) __acquires(&sk->sk_lock.slock) { lock_sock(sk); - preempt_disable(); rcu_read_lock(); } ...
481daa505bc3eb4ac7991e2e7a981506639935fd
Analyze and fix the following issue in the Linux kernel code: s390/cert_store: select CRYPTO_LIB_SHA256
Problem Details: A build failure was reported when sha256() is not present: gcc-13.1.0-nolibc/s390-linux/bin/s390-linux-ld: arch/s390/kernel/cert_store.o: in function `check_certificate_hash': arch/s390/kernel/cert_store.c:267: undefined reference to `sha256' Therefore make CONFIG_CERT_STORE select CRYPTO_LIB_SHA256....
```diff diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index d9d50a7a2016..18bf754e1fad 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -516,6 +516,7 @@ config KEXEC_SIG config CERT_STORE bool "Get user certificates via DIAG320" depends on KEYS + select CRYPTO_LIB_SHA256 help Enable this option...
1ef2c2df11997b8135f34adcf2c200d3b4aacbe9
Analyze and fix the following issue in the Linux kernel code: serial: core: Fix serial core controller port name to show controller id
Problem Details: We are missing the serial core controller id for the serial core port name. Let's fix the issue for sane sysfs output, and to avoid issues addressing serial ports later on. And as we're now showing the controller id, the "ctrl" and "port" prefix for the DEVNAME become useless, we can just drop them. L...
```diff diff --git a/drivers/tty/serial/serial_base_bus.c b/drivers/tty/serial/serial_base_bus.c index e6f457b268d9..11e2ff9cbe4d 100644 --- a/drivers/tty/serial/serial_base_bus.c +++ b/drivers/tty/serial/serial_base_bus.c @@ -19,6 +19,14 @@ static bool serial_base_initialized; +static const struct device_type ser...
d962de6ae51f9b76ad736220077cda83084090b1
Analyze and fix the following issue in the Linux kernel code: serial: core: Fix serial core port id to not use port->line
Problem Details: The serial core port id should be serial core controller specific port instance, which is not always the port->line index. For example, 8250 driver maps a number of legacy ports, and when a hardware specific device driver takes over, we typically have one driver instance for each port. Let's instead a...
```diff diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c index 914e0e6251bf..6fd9ebff81a4 100644 --- a/drivers/tty/serial/8250/8250_core.c +++ b/drivers/tty/serial/8250/8250_core.c @@ -497,6 +497,7 @@ static struct uart_8250_port *serial8250_setup_port(int index) up = &serial82...
83c35180abfdfb22f3d7703b0c85ad2d442ed2c5
Analyze and fix the following issue in the Linux kernel code: serial: core: Controller id cannot be negative
Problem Details: The controller id cannot be negative. Let's fix the ctrl_id in preparation for adding port_id to fix the device name. Fixes: 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM") Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Andy Shevchen...
```diff diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 6d58c57acdaa..201813d888df 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -459,7 +459,7 @@ struct uart_port { struct serial_rs485 *rs485); int (*iso7816_config)(struct uart_port *, str...
7b5745506603f10acedc2be9f913a7776a3c94fd
Analyze and fix the following issue in the Linux kernel code: drm/i915: Add getter/setter for i915_gem_object->frontbuffer
Problem Details: Add getter/setter for i915_gem_object->frontbuffer and use it instead of directly touching i915_gem_object->frontbuffer frontbuffer pointer. v3: - Fix intel_frontbuffer_get return value - s/front_ret/cur/ v2: Move getter/setter into i915_gem_object.h Signed-off-by: Jouni Högander <jouni.hogander@in...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_frontbuffer.c b/drivers/gpu/drm/i915/display/intel_frontbuffer.c index 3ce0436a0c7d..56f45370fee0 100644 --- a/drivers/gpu/drm/i915/display/intel_frontbuffer.c +++ b/drivers/gpu/drm/i915/display/intel_frontbuffer.c @@ -237,7 +237,7 @@ static void frontbuffer_relea...
282069845af388b08d622ad192b831dcd0549c62
Analyze and fix the following issue in the Linux kernel code: tty: serial: fsl_lpuart: Clear the error flags by writing 1 for lpuart32 platforms
Problem Details: Do not read the data register to clear the error flags for lpuart32 platforms, the additional read may cause the receive FIFO underflow since the DMA has already read the data register. Actually all lpuart32 platforms support write 1 to clear those error bits, let's use this method to better clear the ...
```diff diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 4d80fae20177..c569a08b5b19 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -1139,8 +1139,8 @@ static void lpuart_copy_rx_to_tty(struct lpuart_port *sport) unsigned long sr = lpuart32_rea...
07d2b820fd75b96f550c93503f19c8cfcbc577cf
Analyze and fix the following issue in the Linux kernel code: perf test parse-events: Test complex name has required event format
Problem Details: test__checkevent_complex_name will use an "event" format which if not present, such as with a placeholder PMU, will cause test failures. Skip the test in this case to avoid failures in restricted environments. Add perf_pmu__has_format utility as a general PMU utility. Fixes: 628eaa4e877af823 ("perf p...
```diff diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index b2f82847e4c3..658fb9599d95 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -1631,6 +1631,16 @@ static bool test__pmu_cpu_valid(void) return !!perf_pmus__find("cpu"); } +static bool tes...
34bc65d6d831200194c0b9a30fb8fe47faaf83d6
Analyze and fix the following issue in the Linux kernel code: perf pmus: Create placholder regardless of scanning core_only
Problem Details: If scanning all PMUs the placeholder is still necessary if no core PMU is found. This situation occurs in perf test's parse-events test, when uncore events appear before core. Fixes: 628eaa4e877af823 ("perf pmus: Add placeholder core PMU") Signed-off-by: Ian Rogers <irogers@google.com> Tested-by: Thom...
```diff diff --git a/tools/perf/util/pmus.c b/tools/perf/util/pmus.c index 3cd9de42139e..c58ba9fb6a36 100644 --- a/tools/perf/util/pmus.c +++ b/tools/perf/util/pmus.c @@ -152,16 +152,14 @@ static void pmu_read_sysfs(bool core_only) } closedir(dir); - if (core_only) { - if (!list_empty(&core_pmus)) - read_sysfs...
46d14e17095237007b59f56aae2d81ae2dcb0f93
Analyze and fix the following issue in the Linux kernel code: drm/i915/gvt: Fix bug in getting msg length in AUX CH registers handler
Problem Details: Msg length should be obtained from value written to AUX_CH_CTL register rather than from enum type of the register. Commit 0cad796a2269 ("drm/i915: Use REG_BIT() & co. for AUX CH registers") incorrectly calculates the msg_length from reg type and yields below warning in intel_gvt_i2c_handle_aux_ch_wr...
```diff diff --git a/drivers/gpu/drm/i915/gvt/edid.c b/drivers/gpu/drm/i915/gvt/edid.c index 2a0438f12a14..af9afdb53c7f 100644 --- a/drivers/gpu/drm/i915/gvt/edid.c +++ b/drivers/gpu/drm/i915/gvt/edid.c @@ -491,7 +491,7 @@ void intel_gvt_i2c_handle_aux_ch_write(struct intel_vgpu *vgpu, return; } - msg_length = R...
04786c0659dbacf1f626f70c2b19c1bc334f1098
Analyze and fix the following issue in the Linux kernel code: selftests: connector: Fix input argument error paths to skip
Problem Details: Fix input argument parsing paths to skip from their error legs. This fix helps to avoid false test failure reports without running the test. Signed-off-by: Shuah Khan <skhan@linuxfoundation.org> Reviewed-by: Anjali Kulkarni <anjali.k.kulkarni@oracle.com> Link: https://lore.kernel.org/r/20230729002403....
```diff diff --git a/tools/testing/selftests/connector/proc_filter.c b/tools/testing/selftests/connector/proc_filter.c index 4fe8c6763fd8..4a825b997666 100644 --- a/tools/testing/selftests/connector/proc_filter.c +++ b/tools/testing/selftests/connector/proc_filter.c @@ -248,7 +248,7 @@ int main(int argc, char *argv[]) ...
b80b829e9e2c1b3f7aae34855e04d8f6ecaf13c8
Analyze and fix the following issue in the Linux kernel code: net/sched: cls_route: No longer copy tcf_result on update to avoid use-after-free
Problem Details: When route4_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt ...
```diff diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index d0c53724d3e8..1e20bbd687f1 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -513,7 +513,6 @@ static int route4_change(struct net *net, struct sk_buff *in_skb, if (fold) { f->id = fold->id; f->iif = fold->iif; - f->res = f...
76e42ae831991c828cffa8c37736ebfb831ad5ec
Analyze and fix the following issue in the Linux kernel code: net/sched: cls_fw: No longer copy tcf_result on update to avoid use-after-free
Problem Details: When fw_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of t...
```diff diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c index 8641f8059317..c49d6af0e048 100644 --- a/net/sched/cls_fw.c +++ b/net/sched/cls_fw.c @@ -267,7 +267,6 @@ static int fw_change(struct net *net, struct sk_buff *in_skb, return -ENOBUFS; fnew->id = f->id; - fnew->res = f->res; fnew->ifindex = f...
3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81
Analyze and fix the following issue in the Linux kernel code: net/sched: cls_u32: No longer copy tcf_result on update to avoid use-after-free
Problem Details: When u32_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of ...
```diff diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c index 907e58841fe8..da4c179a4d41 100644 --- a/net/sched/cls_u32.c +++ b/net/sched/cls_u32.c @@ -826,7 +826,6 @@ static struct tc_u_knode *u32_init_knode(struct net *net, struct tcf_proto *tp, new->ifindex = n->ifindex; new->fshift = n->fshift; - new->...
81584c23f249ac2d809e2f89b76a7a9a02c09d8a
Analyze and fix the following issue in the Linux kernel code: netfilter: bpf: Only define get_proto_defrag_hook() if necessary
Problem Details: Before, we were getting this warning: net/netfilter/nf_bpf_link.c:32:1: warning: 'get_proto_defrag_hook' defined but not used [-Wunused-function] Guard the definition with CONFIG_NF_DEFRAG_IPV[4|6]. Fixes: 91721c2d02d3 ("netfilter: bpf: Support BPF_F_NETFILTER_IP_DEFRAG in netfilter link") Reporte...
```diff diff --git a/net/netfilter/nf_bpf_link.c b/net/netfilter/nf_bpf_link.c index 8fe594bbc7e2..e502ec00b2fe 100644 --- a/net/netfilter/nf_bpf_link.c +++ b/net/netfilter/nf_bpf_link.c @@ -28,6 +28,7 @@ struct bpf_nf_link { const struct nf_defrag_hook *defrag_hook; }; +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) || IS...
e99688eba2e90a600956e936bc335ece902a5d7f
Analyze and fix the following issue in the Linux kernel code: bpf: Fix an array-index-out-of-bounds issue in disasm.c
Problem Details: syzbot reported an array-index-out-of-bounds when printing out bpf insns. Further investigation shows the insn is illegal but is printed out due to log level 1 or 2 before actual insn verification in do_check(). This particular illegal insn is a MOVSX insn with offset value 2. The legal offset value f...
```diff diff --git a/kernel/bpf/disasm.c b/kernel/bpf/disasm.c index d7bff608f299..ef7c107c7b8f 100644 --- a/kernel/bpf/disasm.c +++ b/kernel/bpf/disasm.c @@ -162,7 +162,8 @@ static bool is_sdiv_smod(const struct bpf_insn *insn) static bool is_movsx(const struct bpf_insn *insn) { - return BPF_OP(insn->code) == BPF_...
fd0b5ba87ad5709f0fd3d2bc4b7870494a75f96a
Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-sc7180: Fix up gcc_sdcc2_apps_clk_src
Problem Details: Set .flags = CLK_OPS_PARENT_ENABLE to fix "gcc_sdcc2_apps_clk_src: rcg didn't update its configuration" error. Fixes: 17269568f726 ("clk: qcom: Add Global Clock controller (GCC) driver for SC7180") Signed-off-by: David Wronek <davidwronek@gmail.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org...
```diff diff --git a/drivers/clk/qcom/gcc-sc7180.c b/drivers/clk/qcom/gcc-sc7180.c index cef3c77564cf..49f36e1df4fa 100644 --- a/drivers/clk/qcom/gcc-sc7180.c +++ b/drivers/clk/qcom/gcc-sc7180.c @@ -651,6 +651,7 @@ static struct clk_rcg2 gcc_sdcc2_apps_clk_src = { .name = "gcc_sdcc2_apps_clk_src", .parent_data = ...
cb88f7f51bc6f351a529ff61d0a706c6eae1417a
Analyze and fix the following issue in the Linux kernel code: rcu-tasks: Permit use of debug-objects with RCU Tasks flavors
Problem Details: Currently, cblist_init_generic() holds a raw spinlock when invoking INIT_WORK(). This fails in kernels built with CONFIG_DEBUG_OBJECTS=y due to memory allocation being forbidden while holding a raw spinlock. But the only reason for holding the raw spinlock is to synchronize with early boot calls to ca...
```diff diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index 291d536b1789..a4cd4ea2402c 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -236,7 +236,7 @@ static const char *tasks_gp_state_getname(struct rcu_tasks *rtp) #endif /* #ifndef CONFIG_TINY_RCU */ // Initialize per-CPU callback lists for th...
7c62b75cd1a792e14b037fa4f61f9b18914e7de1
Analyze and fix the following issue in the Linux kernel code: bpf, cpumap: Handle skb as well when clean up ptr_ring
Problem Details: The following warning was reported when running xdp_redirect_cpu with both skb-mode and stress-mode enabled: ------------[ cut here ]------------ Incorrect XDP memory type (-2128176192) usage WARNING: CPU: 7 PID: 1442 at net/core/xdp.c:405 Modules linked in: CPU: 7 PID: 1442 Comm: kworker/7:...
```diff diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c index 7eeb20025164..286ab3db0fde 100644 --- a/kernel/bpf/cpumap.c +++ b/kernel/bpf/cpumap.c @@ -131,11 +131,17 @@ static void __cpu_map_ring_cleanup(struct ptr_ring *ring) * invoked cpu_map_kthread_stop(). Catch any broken behaviour * gracefully and w...
640a604585aa30f93e39b17d4d6ba69fcb1e66c9
Analyze and fix the following issue in the Linux kernel code: bpf, cpumap: Make sure kthread is running before map update returns
Problem Details: The following warning was reported when running stress-mode enabled xdp_redirect_cpu with some RT threads: ------------[ cut here ]------------ WARNING: CPU: 4 PID: 65 at kernel/bpf/cpumap.c:135 CPU: 4 PID: 65 Comm: kworker/4:1 Not tainted 6.5.0-rc2+ #1 Hardware name: QEMU Standard PC (i440FX ...
```diff diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c index 6ae02be7a48e..7eeb20025164 100644 --- a/kernel/bpf/cpumap.c +++ b/kernel/bpf/cpumap.c @@ -28,6 +28,7 @@ #include <linux/sched.h> #include <linux/workqueue.h> #include <linux/kthread.h> +#include <linux/completion.h> #include <trace/events/xdp.h> ...
bb29a33c4b4da9c11e021b9a257ae2944ccaff01
Analyze and fix the following issue in the Linux kernel code: ASoC: soc-acpi: move link_slaves_found()
Problem Details: Move existing function in common library to make sure the code can be reused by other SoC vendors. No functionality change outside of the move and added prefix. Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Rander Wang <rander.wang@intel.com> Reviewed-by: Bar...
```diff diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index f523ceabd059..f248f9a6cd55 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -482,6 +482,11 @@ struct sdw_slave_id { __u8 sdw_version:4; }; +struct sdw_extended_slave_id { + int link_id; + struc...
71d76768fbe72aa70dd61d5714a5579dc4ca61cb
Analyze and fix the following issue in the Linux kernel code: ASoC: Intel: atom: remove static analysis false positive
Problem Details: make KCFLAGS='-fanalyzer' sound/soc/intel/atom/ reports a possible NULL pointer dereference. sound/soc/intel/atom/sst/sst_stream.c:221:40: error: dereference of NULL ‘block’ [CWE-476] [-Werror=analyzer-null-dereference] 221 | unsigned char *r = block->data; This is a false-p...
```diff diff --git a/sound/soc/intel/atom/sst/sst_stream.c b/sound/soc/intel/atom/sst/sst_stream.c index 862a19ae5429..288221db7323 100644 --- a/sound/soc/intel/atom/sst/sst_stream.c +++ b/sound/soc/intel/atom/sst/sst_stream.c @@ -173,10 +173,11 @@ int sst_send_byte_stream_mrfld(struct intel_sst_drv *sst_drv_ctx, u32...
390e7066db29b985c5142513955797c1166b623a
Analyze and fix the following issue in the Linux kernel code: ASoC: SOF: sof-client-probes-ipc4: add checks to prevent static analysis warnings
Problem Details: make KCFLAGS='-fanalyzer' sound/soc/sof/ reports several NULL pointer dereference paths. sof_ipc4_probe_get_module_info() can return a NULL value, but it's only tested in the init state. Static analyzers cannot know the probe state machine and hence flags a potential issue for all calls of that functi...
```diff diff --git a/sound/soc/sof/sof-client-probes-ipc4.c b/sound/soc/sof/sof-client-probes-ipc4.c index ea21ef176c42..c56a85854d92 100644 --- a/sound/soc/sof/sof-client-probes-ipc4.c +++ b/sound/soc/sof/sof-client-probes-ipc4.c @@ -146,6 +146,9 @@ static int ipc4_probes_deinit(struct sof_client_dev *cdev) struct s...
079082c60affefeb9d2bd4176a4f2b390a9ccfda
Analyze and fix the following issue in the Linux kernel code: tcx: Fix splat during dev unregister
Problem Details: During unregister_netdevice_many_notify(), the ordering of our concerned function calls is like this: unregister_netdevice_many_notify dev_shutdown qdisc_put clsact_destroy tcx_uninstall The syzbot reproducer triggered a case that the qdisc refcnt is not zero during dev_shutdow...
```diff diff --git a/include/linux/bpf_mprog.h b/include/linux/bpf_mprog.h index 2b429488f840..929225f7b095 100644 --- a/include/linux/bpf_mprog.h +++ b/include/linux/bpf_mprog.h @@ -256,6 +256,22 @@ static inline void bpf_mprog_entry_copy(struct bpf_mprog_entry *dst, memcpy(dst->fp_items, src->fp_items, sizeof(src->...
4cbc32a8a2b44fc7e91ae3006e5da3eaf630e383
Analyze and fix the following issue in the Linux kernel code: net/smc: Remove unused function declarations
Problem Details: commit f9aab6f2ce57 ("net/smc: immediate freeing in smc_lgr_cleanup_early()") left behind smc_lgr_schedule_free_work_fast() declaration. And since commit 349d43127dac ("net/smc: fix kernel panic caused by race of smc_sock") smc_ib_modify_qp_reset() is not used anymore. Signed-off-by: Yue Haibing <yueh...
```diff diff --git a/net/smc/smc_core.h b/net/smc/smc_core.h index 1645fba0d2d3..3c1b31bfa1cf 100644 --- a/net/smc/smc_core.h +++ b/net/smc/smc_core.h @@ -539,7 +539,6 @@ int smc_vlan_by_tcpsk(struct socket *clcsock, struct smc_init_info *ini); void smc_conn_free(struct smc_connection *conn); int smc_conn_create(st...
165f6890586edbf5257560ff955b2076f0b4b854
Analyze and fix the following issue in the Linux kernel code: selftests: connector: Fix Makefile to include KHDR_INCLUDES
Problem Details: The test compile fails with following errors. Fix the Makefile CFLAGS to include KHDR_INCLUDES to pull in uapi defines. gcc -Wall proc_filter.c -o ../tools/testing/selftests/connector/proc_filter proc_filter.c: In function ‘send_message’: proc_filter.c:22:33: error: invalid application of ‘sizeof...
```diff diff --git a/tools/testing/selftests/connector/Makefile b/tools/testing/selftests/connector/Makefile index 21c9f3a973a0..92188b9bac5c 100644 --- a/tools/testing/selftests/connector/Makefile +++ b/tools/testing/selftests/connector/Makefile @@ -1,5 +1,5 @@ # SPDX-License-Identifier: GPL-2.0 -CFLAGS += -Wall +CFL...
611e1b016c7beceec5ae82ac62d4a7ca224c8f9d
Analyze and fix the following issue in the Linux kernel code: octeon_ep: initialize mbox mutexes
Problem Details: The two mbox-related mutexes are destroyed in octep_ctrl_mbox_uninit(), but the corresponding mutex_init calls were missing. A "DEBUG_LOCKS_WARN_ON(lock->magic != lock)" warning was emitted with CONFIG_DEBUG_MUTEXES on. Initialize the two mutexes in octep_ctrl_mbox_init(). Fixes: 577f0d1b1c5f ("octeo...
```diff diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c index 035ead7935c7..dab61cc1acb5 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_ctrl_mbox.c @@ -98,6 +98,9 @@...
acf228cd3d749726cc6e2719a62d27aa26c3e430
Analyze and fix the following issue in the Linux kernel code: drm/i915/huc: fix intel_huc.c doc bulleted list format error
Problem Details: Fix the following make htmldocs errors/warnings: ./drivers/gpu/drm/i915/gt/uc/intel_huc.c:29: ERROR: Unexpected indentation. ./drivers/gpu/drm/i915/gt/uc/intel_huc.c:30: WARNING: Block quote ends without a blank line; unexpected unindent. ./drivers/gpu/drm/i915/gt/uc/intel_huc.c:35: WARNING: Bullet li...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_huc.c b/drivers/gpu/drm/i915/gt/uc/intel_huc.c index bb95bdd1c3f9..23aa1b0e0166 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_huc.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_huc.c @@ -26,6 +26,7 @@ * The kernel driver is only responsible for loading the HuC firmware ...
37b61cda9c1606cd8b6445d900ca9dc03185e8b6
Analyze and fix the following issue in the Linux kernel code: bnxt: don't handle XDP in netpoll
Problem Details: Similarly to other recently fixed drivers make sure we don't try to access XDP or page pool APIs when NAPI budget is 0. NAPI budget of 0 may mean that we are in netpoll. This may result in running software IRQs in hard IRQ context, leading to deadlocks or crashes. To make sure bnapi->tx_pkts don't ge...
```diff diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index e5b54e6025be..06b238bef9dd 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -633,12 +633,13 @@ tx_kick_pending: return NETDEV_TX_OK; } -static vo...
4b31fd4d77ffa430d0b74ba1885ea0a41594f202
Analyze and fix the following issue in the Linux kernel code: ice: Fix RDMA VSI removal during queue rebuild
Problem Details: During qdisc create/delete, it is necessary to rebuild the queue of VSIs. An error occurred because the VSIs created by RDMA were still active. Added check if RDMA is active. If yes, it disallows qdisc changes and writes a message in the system logs. Fixes: 348048e724a0 ("ice: Implement iidc operatio...
```diff diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index f02d44455772..cf92c39467c8 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -8813,6 +8813,7 @@ ice_setup_tc(struct net_device *netdev, enum tc_setup_t...
55c1528f9b97ff3b7efad73e8f79627fc2efb298
Analyze and fix the following issue in the Linux kernel code: sfc: fix field-spanning memcpy in selftest
Problem Details: Add a struct_group for the whole packet body so we can copy it in one go without triggering FORTIFY_SOURCE complaints. Fixes: cf60ed469629 ("sfc: use padding to fix alignment in loopback test") Fixes: 30c24dd87f3f ("sfc: siena: use padding to fix alignment in loopback test") Fixes: 1186c6b31ee1 ("sfc...
```diff diff --git a/drivers/net/ethernet/sfc/falcon/selftest.c b/drivers/net/ethernet/sfc/falcon/selftest.c index 9e5ce2a13787..cf1d67b6d86d 100644 --- a/drivers/net/ethernet/sfc/falcon/selftest.c +++ b/drivers/net/ethernet/sfc/falcon/selftest.c @@ -40,15 +40,16 @@ */ struct ef4_loopback_payload { char pad[2]; /*...
1583694bb4eaf186f17131dbc1b83d6057d2749b
Analyze and fix the following issue in the Linux kernel code: clk: qcom: gcc-mdm9615: use proper parent for pll0_vote clock
Problem Details: The pll0_vote clock definitely should have pll0 as a parent (instead of pll8). Fixes: 7792a8d6713c ("clk: mdm9615: Add support for MDM9615 Clock Controllers") Cc: stable@kernel.org Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Rev...
```diff diff --git a/drivers/clk/qcom/gcc-mdm9615.c b/drivers/clk/qcom/gcc-mdm9615.c index fb5c1244fb97..2f921891008d 100644 --- a/drivers/clk/qcom/gcc-mdm9615.c +++ b/drivers/clk/qcom/gcc-mdm9615.c @@ -58,7 +58,7 @@ static struct clk_regmap pll0_vote = { .enable_mask = BIT(0), .hw.init = &(struct clk_init_data){ ...
4d8cbf6dbcdaebe949461b0a933ae4c71cb53edc
Analyze and fix the following issue in the Linux kernel code: fs: omfs: Use flexible-array member in struct omfs_extent
Problem Details: Memory for 'struct omfs_extent' and a 'e_extent_count' number of extent entries is indirectly allocated through 'bh->b_data', which is a pointer to data within the page. This implies that the member 'e_entry' (which is the start of extent entries) functions more like an array than a single object of ty...
```diff diff --git a/fs/omfs/file.c b/fs/omfs/file.c index de8f57ee39ec..6b580b9da8e3 100644 --- a/fs/omfs/file.c +++ b/fs/omfs/file.c @@ -14,7 +14,7 @@ static u32 omfs_max_extents(struct omfs_sb_info *sbi, int offset) { return (sbi->s_sys_blocksize - offset - sizeof(struct omfs_extent)) / - sizeof(struct omfs_e...
74bdfab4fd7c641e55f7fe9d1be9687eeb01df67
Analyze and fix the following issue in the Linux kernel code: net: remove duplicate INDIRECT_CALLABLE_DECLARE of udp[6]_ehashfn
Problem Details: There are already INDIRECT_CALLABLE_DECLARE in the hashtable headers, no need to declare them again. Fixes: 0f495f761722 ("net: remove duplicate reuseport_lookup functions") Suggested-by: Martin Lau <martin.lau@linux.dev> Signed-off-by: Lorenz Bauer <lmb@isovalent.com> Reviewed-by: Kuniyuki Iwashima <...
```diff diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 6a872b8fb0d3..7876b7d703cb 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -333,8 +333,6 @@ static inline int compute_score(struct sock *sk, struct net *net, return score; } -INDIRECT_CALLABLE_DECLARE(ine...
bd1f5934e460eb11f42278fe8450a87d64bf70f5
Analyze and fix the following issue in the Linux kernel code: lsm: add comment block for security_sk_classify_flow LSM hook
Problem Details: security_sk_classify_flow LSM hook has no comment block. Add a comment block with a brief description of LSM hook and its function parameters. Signed-off-by: Khadija Kamran <kamrankhadijadj@gmail.com> [PM: minor double-space fix] Signed-off-by: Paul Moore <paul@paul-moore.com>
```diff diff --git a/security/security.c b/security/security.c index f86567083e66..9177fd0968bd 100644 --- a/security/security.c +++ b/security/security.c @@ -4421,6 +4421,13 @@ void security_sk_clone(const struct sock *sk, struct sock *newsk) } EXPORT_SYMBOL(security_sk_clone); +/** + * security_sk_classify_flow()...
9426d3cef5000824e5f24f80ed5f42fb935f2488
Analyze and fix the following issue in the Linux kernel code: scsi: core: Fix legacy /proc parsing buffer overflow
Problem Details: (lightly modified commit message mostly by Linus Torvalds) The parsing code for /proc/scsi/scsi is disgusting and broken. We should have just used 'sscanf()' or something simple like that, but the logic may actually predate our kernel sscanf library routine for all I know. It certainly predates both...
```diff diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c index 4a6eb1741be0..41f23cd0bfb4 100644 --- a/drivers/scsi/scsi_proc.c +++ b/drivers/scsi/scsi_proc.c @@ -406,7 +406,7 @@ static ssize_t proc_scsi_write(struct file *file, const char __user *buf, size_t length, loff_t *ppos) { int ho...
f99533bd7e3dc033093f339784bebe0247e1831c
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: Simplify zero-initialization
Problem Details: Use { } instead of { { 0 }, } to zero-initialize data structures on the stack. This patch fixes two W=2 warnings. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20230727194457.3152309-7-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.co...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index ca520f2b1820..5e248c60f887 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -7040,7 +7040,7 @@ static int __ufshcd_issue_tm_cmd(struct ufs_hba *hba, static int ufshcd_issue_tm_cmd(struct ufs_hba *hba, int lun_id, ...
8d8af294ce03c9997fff36a20d0e697c6a73c41b
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: Fix kernel-doc headers
Problem Details: Fix the remaining kernel-doc warnings that are reported when building with W=2. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20230727194457.3152309-4-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
```diff diff --git a/drivers/ufs/host/cdns-pltfrm.c b/drivers/ufs/host/cdns-pltfrm.c index 9c96aa8810ac..2491e7e87028 100644 --- a/drivers/ufs/host/cdns-pltfrm.c +++ b/drivers/ufs/host/cdns-pltfrm.c @@ -101,8 +101,7 @@ static void cdns_ufs_set_l4_attr(struct ufs_hba *hba) } /** - * cdns_ufs_set_hclkdiv() - * Sets H...