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7b3825e9487d77e83bf1e27b10a74cd729b8f972
Analyze and fix the following issue in the Linux kernel code: iio: adc: max11410: fix read_poll_timeout() usage
Problem Details: Even though we are passing 'ret' as stop condition for read_poll_timeout(), that return code is still being ignored. The reason is that the poll will stop if the passed condition is true which will happen if the passed op() returns error. However, read_poll_timeout() returns 0 if the *complete* conditi...
```diff diff --git a/drivers/iio/adc/max11410.c b/drivers/iio/adc/max11410.c index fdc9f03135b5..e64cd979688d 100644 --- a/drivers/iio/adc/max11410.c +++ b/drivers/iio/adc/max11410.c @@ -413,13 +413,17 @@ static int max11410_sample(struct max11410_state *st, int *sample_raw, if (!ret) return -ETIMEDOUT; } else...
8dec88070d964bfeb4198f34cb5956d89dd1f557
Analyze and fix the following issue in the Linux kernel code: kcsan: Avoid READ_ONCE() in read_instrumented_memory()
Problem Details: Haibo Li reported: | Unable to handle kernel paging request at virtual address | ffffff802a0d8d7171 | Mem abort info:o: | ESR = 0x9600002121 | EC = 0x25: DABT (current EL), IL = 32 bitsts | SET = 0, FnV = 0 0 | EA = 0, S1PTW = 0 0 | FSC = 0x21: alignment fault | Data abort info:o:...
```diff diff --git a/kernel/kcsan/core.c b/kernel/kcsan/core.c index 54d077e1a2dc..5a60cc52adc0 100644 --- a/kernel/kcsan/core.c +++ b/kernel/kcsan/core.c @@ -337,11 +337,20 @@ static void delay_access(int type) */ static __always_inline u64 read_instrumented_memory(const volatile void *ptr, size_t size) { + /* + ...
e25c54d17914b0df4f902d1f25cd52f54e20cfbf
Analyze and fix the following issue in the Linux kernel code: ubi: block: Fix missing blk_mq_end_request
Problem Details: Switching to BLK_MQ_F_BLOCKING wrongly removed the call to blk_mq_end_request(). Add it back to have our IOs finished Fixes: 91cc8fbcc8c7 ("ubi: block: set BLK_MQ_F_BLOCKING") Analyzed-by: Linus Torvalds <torvalds@linux-foundation.org> Reported-by: Daniel Palmer <daniel@0x0f.com> Link: https://lore.ke...
```diff diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c index 1de87062c67b..3711d7f74600 100644 --- a/drivers/mtd/ubi/block.c +++ b/drivers/mtd/ubi/block.c @@ -221,7 +221,10 @@ static blk_status_t ubiblock_read(struct request *req) rq_for_each_segment(bvec, req, iter) flush_dcache_page(bvec.bv_pag...
666cac91ae47c86c7a76fec39771123a92825134
Analyze and fix the following issue in the Linux kernel code: iio: dac: cio-dac: Fix typo in comment listing supported devices
Problem Details: This driver supports the CIO-DAC08 device and not "CIO-DAC06". Signed-off-by: William Breathitt Gray <william.gray@linaro.org> Link: https://lore.kernel.org/r/20230311002434.8761-1-william.gray@linaro.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
```diff diff --git a/drivers/iio/dac/cio-dac.c b/drivers/iio/dac/cio-dac.c index 791dd999cf29..bb67d3340c9f 100644 --- a/drivers/iio/dac/cio-dac.c +++ b/drivers/iio/dac/cio-dac.c @@ -4,7 +4,7 @@ * Copyright (C) 2016 William Breathitt Gray * * This driver supports the following Measurement Computing devices: CIO-D...
c3701185ee1973845db088d8b0fc443397ab0eb2
Analyze and fix the following issue in the Linux kernel code: iio: dac: cio-dac: Fix max DAC write value check for 12-bit
Problem Details: The CIO-DAC series of devices only supports DAC values up to 12-bit rather than 16-bit. Trying to write a 16-bit value results in only the lower 12 bits affecting the DAC output which is not what the user expects. Instead, adjust the DAC write value check to reject values larger than 12-bit so that the...
```diff diff --git a/drivers/iio/dac/cio-dac.c b/drivers/iio/dac/cio-dac.c index 791dd999cf29..18a64f72fc18 100644 --- a/drivers/iio/dac/cio-dac.c +++ b/drivers/iio/dac/cio-dac.c @@ -66,8 +66,8 @@ static int cio_dac_write_raw(struct iio_dev *indio_dev, if (mask != IIO_CHAN_INFO_RAW) return -EINVAL; - /* DAC can ...
70ed9ced1f415b4f68bfdfffc7240a79bca8e045
Analyze and fix the following issue in the Linux kernel code: dt-bindings: iio: ti,tmp117: fix documentation link
Problem Details: Fix the broken link to point to the correct homepage. Fixes: 5e713b25d137 ("dt-bindings: iio: temperature: Add DT bindings for TMP117") Signed-off-by: Marco Felsch <m.felsch@pengutronix.de> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230228090518.52...
```diff diff --git a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml b/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml index c4f1c69f9330..b6d082995e55 100644 --- a/Documentation/devicetree/bindings/iio/temperature/ti,tmp117.yaml +++ b/Documentation/devicetree/bindings/iio/temperature/...
390738596ccf565047f1db0c3c17753018da5196
Analyze and fix the following issue in the Linux kernel code: drivers: iio: dac: ad5592r: add gpio_chip names
Problem Details: Add array of explicit gpio names for the `gpiochip` structure of ad5592r, mainly for debug purposes. Since the gpios are configurable via the dts, generic names are used. Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20221117090130.51702-1-antoniu.miclaus...
```diff diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c index 7a9b5fc1e579..076bc9ecfb49 100644 --- a/drivers/iio/dac/ad5592r-base.c +++ b/drivers/iio/dac/ad5592r-base.c @@ -124,6 +124,10 @@ static int ad5592r_gpio_request(struct gpio_chip *chip, unsigned offset) return 0; } +static co...
bae4ae831a43a1e695bdb6c242bad2454519cb2a
Analyze and fix the following issue in the Linux kernel code: spi: fsi: restore CONFIG_FSI dependency
Problem Details: The assumption that the build dependency was not necessary turned out to be wrong, as building SPI_FSI without FSI results in a link failure: aarch64-linux-ld: drivers/spi/spi-fsi.o: in function `fsi_spi_check_status': spi-fsi.c:(.text+0x54): undefined reference to `fsi_device_read' aarch64-linux-ld: ...
```diff diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 36a18c215163..80f3cade6006 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -357,7 +357,7 @@ config SPI_FALCON config SPI_FSI tristate "FSI SPI driver" - depends on FSI || COMPILE_TEST + depends on FSI help This enables support...
f5361da1e60d54ec81346aee8e3d8baf1be0b762
Analyze and fix the following issue in the Linux kernel code: ext4: zero i_disksize when initializing the bootloader inode
Problem Details: If the boot loader inode has never been used before, the EXT4_IOC_SWAP_BOOT inode will initialize it, including setting the i_size to 0. However, if the "never before used" boot loader has a non-zero i_size, then i_disksize will be non-zero, and the inconsistency between i_size and i_disksize can trig...
```diff diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 2e8c34036313..cc17205f7f49 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -431,6 +431,7 @@ static long swap_inode_boot_loader(struct super_block *sb, ei_bl->i_flags = 0; inode_set_iversion(inode_bl, 1); i_size_write(inode_bl, 0); + EXT4_I(ino...
62913ae96de747091c4dacd06d158e7729c1a76d
Analyze and fix the following issue in the Linux kernel code: ext4, jbd2: add an optimized bmap for the journal inode
Problem Details: The generic bmap() function exported by the VFS takes locks and does checks that are not necessary for the journal inode. So allow the file system to set a journal-optimized bmap function in journal->j_bmap. Reported-by: syzbot+9543479984ae9e576000@syzkaller.appspotmail.com Link: https://syzkaller.ap...
```diff diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 2192b4111442..46b7345d2b6a 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -5742,6 +5742,28 @@ static struct inode *ext4_get_journal_inode(struct super_block *sb, return journal_inode; } +static int ext4_journal_bmap(journal_t *journal, sector_t *b...
2b96b4a5d9443ca4cad58b0040be455803c05a42
Analyze and fix the following issue in the Linux kernel code: ext4: fix WARNING in ext4_update_inline_data
Problem Details: Syzbot found the following issue: EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none. fscrypt: AES-256-CTS-CBC using implementation "cts-cbc-aes-aesni" fscrypt: AES-256-XTS using implementation "xts-aes-aesni" ------------[ cut here ]------------ ...
```diff diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 863c15388848..2a006e4db467 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -2851,6 +2851,9 @@ shift: (void *)header, total_ino); EXT4_I(inode)->i_extra_isize = new_extra_isize; + if (ext4_has_inline_data(inode)) + error = ext4_find_inline_data_...
cee4034a3db1d30c3243dd51506a9d4ab1a849fa
Analyze and fix the following issue in the Linux kernel code: mptcp: fix lockdep false positive in mptcp_pm_nl_create_listen_socket()
Problem Details: Christoph reports a lockdep splat in the mptcp_subflow_create_socket() error path, when such function is invoked by mptcp_pm_nl_create_listen_socket(). Such code path acquires two separates, nested socket lock, with the internal lock operation lacking the "nested" annotation. Adding that in sock_relea...
```diff diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 56628b52d100..5c8dea49626c 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -997,9 +997,13 @@ out: return ret; } +static struct lock_class_key mptcp_slock_keys[2]; +static struct lock_class_key mptcp_keys[2]; + static in...
3ba14528684f528566fb7d956bfbfb958b591d86
Analyze and fix the following issue in the Linux kernel code: mptcp: avoid setting TCP_CLOSE state twice
Problem Details: tcp_set_state() is called from tcp_done() already. There is then no need to first set the state to TCP_CLOSE, then call tcp_done(). Fixes: d582484726c4 ("mptcp: fix fallback for MP_JOIN subflows") Cc: stable@vger.kernel.org Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/362 Acked-by: ...
```diff diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 2aadc8733369..a0041360ee9d 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -406,7 +406,6 @@ void mptcp_subflow_reset(struct sock *ssk) /* must hold: tcp_done() could drop last reference on parent */ sock_hold(sk); - tcp_set_state(s...
822467a48e938e661965d09df5fcac66f7291050
Analyze and fix the following issue in the Linux kernel code: mptcp: add ro_after_init for tcp{,v6}_prot_override
Problem Details: Add __ro_after_init labels for the variables tcp_prot_override and tcpv6_prot_override, just like other variables adjacent to them, to indicate that they are initialised from the init hooks and no writes occur afterwards. Fixes: b19bc2945b40 ("mptcp: implement delegated actions") Cc: stable@vger.kerne...
```diff diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 9c57575df84c..2aadc8733369 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -628,7 +628,7 @@ static struct request_sock_ops mptcp_subflow_v6_request_sock_ops __ro_after_init static struct tcp_request_sock_ops subflow_request_sock_ipv6_op...
840742b7ed0e123e47af9c5c3902746f3d6b64a2
Analyze and fix the following issue in the Linux kernel code: selftests: mptcp: userspace pm: fix printed values
Problem Details: In case of errors, the printed message had the expected and the seen value inverted. This patch simply correct the order: first the expected value, then the one that has been seen. Fixes: 10d4273411be ("selftests: mptcp: userspace: print error details if any") Cc: stable@vger.kernel.org Acked-by: Gel...
```diff diff --git a/tools/testing/selftests/net/mptcp/userspace_pm.sh b/tools/testing/selftests/net/mptcp/userspace_pm.sh index 66c5be25c13d..48e52f995a98 100755 --- a/tools/testing/selftests/net/mptcp/userspace_pm.sh +++ b/tools/testing/selftests/net/mptcp/userspace_pm.sh @@ -240,7 +240,7 @@ check_expected_one() fi...
0a3f4f1f9c27215e4ddcd312558342e57b93e518
Analyze and fix the following issue in the Linux kernel code: mptcp: fix UaF in listener shutdown
Problem Details: As reported by Christoph after having refactored the passive socket initialization, the mptcp listener shutdown path is prone to an UaF issue. BUG: KASAN: use-after-free in _raw_spin_lock_bh+0x73/0xe0 Write of size 4 at addr ffff88810cb23098 by task syz-executor731/1266 CPU: 1 PID: 1266 Comm: s...
```diff diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 2a2093d61835..60b23b2716c4 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2365,12 +2365,9 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, mptcp_subflow_drop_ctx(ssk); } else { /* otherwise tcp will dispo...
b6985b9b82954caa53f862d6059d06c0526254f0
Analyze and fix the following issue in the Linux kernel code: mptcp: use the workqueue to destroy unaccepted sockets
Problem Details: Christoph reported a UaF at token lookup time after having refactored the passive socket initialization part: BUG: KASAN: use-after-free in __token_bucket_busy+0x253/0x260 Read of size 4 at addr ffff88810698d5b0 by task syz-executor653/3198 CPU: 1 PID: 3198 Comm: syz-executor653 Not tainted 6.2...
```diff diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 447641d34c2c..2a2093d61835 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -2342,7 +2342,6 @@ static void __mptcp_close_ssk(struct sock *sk, struct sock *ssk, goto out; } - sock_orphan(ssk); subflow->disposable = 1; /* i...
3a236aef280ed5122b2d47087eb514d0921ae033
Analyze and fix the following issue in the Linux kernel code: mptcp: refactor passive socket initialization
Problem Details: After commit 30e51b923e43 ("mptcp: fix unreleased socket in accept queue") unaccepted msk sockets go throu complete shutdown, we don't need anymore to delay inserting the first subflow into the subflow lists. The reference counting deserve some extra care, as __mptcp_close() is unaware of the request ...
```diff diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 3ad9c46202fc..447641d34c2c 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -825,7 +825,6 @@ static bool __mptcp_finish_join(struct mptcp_sock *msk, struct sock *ssk) if (sk->sk_socket && !ssk->sk_socket) mptcp_sock_graft(ssk, sk...
b7a679ba7c652587b85294f4953f33ac0b756d40
Analyze and fix the following issue in the Linux kernel code: mptcp: fix possible deadlock in subflow_error_report
Problem Details: Christoph reported a possible deadlock while the TCP stack destroys an unaccepted subflow due to an incoming reset: the MPTCP socket error path tries to acquire the msk-level socket lock while TCP still owns the listener socket accept queue spinlock, and the reverse dependency already exists in the TCP...
```diff diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 4ae1a7304cf0..5070dc33675d 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -1432,6 +1432,13 @@ static void subflow_error_report(struct sock *ssk) { struct sock *sk = mptcp_subflow_ctx(ssk)->conn; + /* bail early if this is a no-op, ...
481e96fc1307eb52c0c449608e629921ecbbaf15
Analyze and fix the following issue in the Linux kernel code: mvpp2: take care of xdp_features when reconfiguring queues
Problem Details: XDP is supported only if enough queues are present, so when reconfiguring the queues set xdp_features accordingly. Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features") Suggested-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Matteo Croce <teknoraver@meta.com> Signed-off-by: Lorenzo Bia...
```diff diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 9b4ecbe4f36d..3ea00bc9b91c 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -4996,6 +4996,14 @@ static int mvpp2_bm_switch_buf...
4d5ab0ad964df178beba031b89429a601893ff61
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: take into account device reconfiguration for xdp_features flag
Problem Details: Take into account LRO and GRO configuration setting device xdp_features flag. Consider channel rq_wq_type enabling rx scatter-gatter support in xdp_features flag and disable NETDEV_XDP_ACT_NDO_XMIT_SG since it is not supported yet by the driver. Moreover always enable NETDEV_XDP_ACT_NDO_XMIT as the ndo...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 88460b7796e5..4276c6eb6820 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -1243,6 +1243,7 @@ void mlx5e_build_nic_params(struct mlx5e_pr...
fccca038f3003daa8f28a5e5d97efe50f04b8d9d
Analyze and fix the following issue in the Linux kernel code: veth: take into account device reconfiguration for xdp_features flag
Problem Details: Take into account tx/rx queues reconfiguration setting device xdp_features flag. Moreover consider NETIF_F_GRO flag in order to enable ndo_xdp_xmit callback. Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jakub Kicinski <k...
```diff diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 1bb54de7124d..293dc3b2c84a 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -1257,6 +1257,26 @@ static int veth_enable_range_safe(struct net_device *dev, int start, int end) return 0; } +static void veth_set_xdp_features(struct net_devic...
7aa6dc351b92abbfead9ebe25ce7a7ac0384ea6d
Analyze and fix the following issue in the Linux kernel code: net: ena: take into account xdp_features setting tx/rx queues
Problem Details: ena nic allows xdp just if enough hw queues are available for XDP. Take into account queues configuration setting xdp_features. Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features") Reviewed-by: Shay Agroskin <shayagr@amazon.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by:...
```diff diff --git a/drivers/net/ethernet/amazon/ena/ena_ethtool.c b/drivers/net/ethernet/amazon/ena/ena_ethtool.c index 8da79eedc057..1d4f2f4d10f2 100644 --- a/drivers/net/ethernet/amazon/ena/ena_ethtool.c +++ b/drivers/net/ethernet/amazon/ena/ena_ethtool.c @@ -850,11 +850,20 @@ static int ena_set_channels(struct net_...
3c249fe4de1608a9af56563606d4f6eb3a64a47f
Analyze and fix the following issue in the Linux kernel code: net: thunderx: take into account xdp_features setting tx/rx queues
Problem Details: thunderx nic allows xdp just if enough hw queues are available for XDP. Take into account queues configuration setting xdp_features. Fixes: 66c0e13ad236 ("drivers: net: turn on XDP features") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c index e5c71f907852..d8d71bf97983 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_ethtool.c @@ -735,12 +735,17 @@ static int nicv...
bf51d27704c963ea52c0843096e23c9f404b13af
Analyze and fix the following issue in the Linux kernel code: tools: ynl: fix get_mask utility routine
Problem Details: Fix get_mask utility routine in order to take into account possible gaps in the elements list. Fixes: be5bea1cc0bf ("net: add basic C code generators for Netlink") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/tools/net/ynl/lib/nlspec.py b/tools/net/ynl/lib/nlspec.py index a34d088f6743..960a356e8225 100644 --- a/tools/net/ynl/lib/nlspec.py +++ b/tools/net/ynl/lib/nlspec.py @@ -138,10 +138,8 @@ class SpecEnumSet(SpecElement): def get_mask(self): mask = 0 - idx = self.yaml.get('value...
8f76a4f80fba8096a611b6b60c40a0f4cab3ddfb
Analyze and fix the following issue in the Linux kernel code: tools: ynl: fix render-max for flags definition
Problem Details: Properly manage render-max property for flags definition type introducing mask value and setting it to (last_element << 1) - 1 instead of adding max value set to last_element + 1 Fixes: be5bea1cc0bf ("net: add basic C code generators for Netlink") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> S...
```diff diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py index 1bcc5354d800..d47376f19de7 100755 --- a/tools/net/ynl/ynl-gen-c.py +++ b/tools/net/ynl/ynl-gen-c.py @@ -1931,9 +1931,14 @@ def render_uapi(family, cw): if const.get('render-max', False): cw.nl() - ...
7e4f8a0c495413a50413e8c9f1032ce1bc633bae
Analyze and fix the following issue in the Linux kernel code: i40e: Fix kernel crash during reboot when adapter is in recovery mode
Problem Details: If the driver detects during probe that firmware is in recovery mode then i40e_init_recovery_mode() is called and the rest of probe function is skipped including pci_set_drvdata(). Subsequent i40e_shutdown() called during shutdown/reboot dereferences NULL pointer as pci_get_drvdata() returns NULL. To ...
```diff diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 467001db5070..228cd502bb48 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -15525,6 +15525,7 @@ static int i40e_init_recovery_mode(struct i40...
59a0b022aa249e3f5735d93de0849341722c4754
Analyze and fix the following issue in the Linux kernel code: ipvlan: Make skb->skb_iif track skb->dev for l3s mode
Problem Details: For l3s mode, skb->dev is set to ipvlan interface in ipvlan_nf_input(): skb->dev = addr->master->dev but, skb->skb_iif remain unchanged, this will cause socket lookup failed if a target socket is bound to a interface, like the following example: ip link add ipvlan0 link eth0 type ipvlan mode l3s ...
```diff diff --git a/drivers/net/ipvlan/ipvlan_l3s.c b/drivers/net/ipvlan/ipvlan_l3s.c index 943d26cbf39f..71712ea25403 100644 --- a/drivers/net/ipvlan/ipvlan_l3s.c +++ b/drivers/net/ipvlan/ipvlan_l3s.c @@ -101,6 +101,7 @@ static unsigned int ipvlan_nf_input(void *priv, struct sk_buff *skb, goto out; skb->dev = ...
8ba572052a4b8fe5b205854d27e54e3486049b71
Analyze and fix the following issue in the Linux kernel code: net: phy: nxp-c45-tja11xx: fix MII_BASIC_CONFIG_REV bit
Problem Details: According to the TJA1103 user manual, the bit for the reversed role in MII or RMII modes is bit 4. Cc: <stable@vger.kernel.org> # 5.15+ Fixes: b050f2f15e04 ("phy: nxp-c45: add driver for tja1103") Signed-off-by: Radu Pirea (OSS) <radu-nicolae.pirea@oss.nxp.com> Link: https://lore.kernel.org/r/20230309...
```diff diff --git a/drivers/net/phy/nxp-c45-tja11xx.c b/drivers/net/phy/nxp-c45-tja11xx.c index 047c581457e3..5813b07242ce 100644 --- a/drivers/net/phy/nxp-c45-tja11xx.c +++ b/drivers/net/phy/nxp-c45-tja11xx.c @@ -79,7 +79,7 @@ #define SGMII_ABILITY BIT(0) #define VEND1_MII_BASIC_CONFIG 0xAFC6 -#define MII_BASI...
cd414f4f59f64d7d2a249caaf387edbc5a874020
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Fix missing return code checks in submission init
Problem Details: The CI results for the 'fast request' patch set (enables error return codes for fire-and-forget H2G messages) hit an issue with the KMD sending context submission requests on an invalid context. That was caused by a fault injection probe failing the context creation of a kernel context. However, there ...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index a04d7049a2c2..88e881b100cf 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -1441,7 +1441,7 @@ static int guc_action_e...
fcb0348912ab718a3613c13cba264aecc7462c74
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Improve clean up of busyness stats worker
Problem Details: The stats worker thread management was mis-matched between enable/disable call sites. Fix those up. Also, abstract the cancel/enable code into a helper function rather than replicating in multiple places. v2: Rename the helpers and wrap the enable as well as the cancel (review feedback from Daniele). ...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index be495e657d66..a04d7049a2c2 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -1352,6 +1352,16 @@ static ktime_t guc_eng...
cd1c604aa1d8c641f5edcb58b76352d4eba06ec1
Analyze and fix the following issue in the Linux kernel code: virtio_net: add checking sq is full inside xdp xmit
Problem Details: If the queue of xdp xmit is not an independent queue, then when the xdp xmit used all the desc, the xmit from the __dev_queue_xmit() may encounter the following error. net ens4: Unexpected TXQ (0) queue failure: -28 This patch adds a check whether sq is full in xdp xmit. Fixes: 56434a01b12e ("virtio...
```diff diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 46bbddaadb0d..1a309cfb4976 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -767,6 +767,9 @@ static int virtnet_xdp_xmit(struct net_device *dev, } ret = nxmit; + if (!is_xdp_raw_buffer_queue(vi, sq - vi->sq)) + ...
a4d9b3ec63de3c36890fb440980ebf8f642bab88
Analyze and fix the following issue in the Linux kernel code: net: lan966x: Add IS1 VCAP keyset configuration for lan966x
Problem Details: Add IS1 VCAP port keyset configuration for lan966x and also update debug fs support to show the keyset configuration. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
```diff diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h index 49f5159afbf3..cbdae0ab8bb6 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h @@ -92,6 +92,11 @@ #define S...
484b7059796e3bc1cb527caa61dfc60da649b4f6
Analyze and fix the following issue in the Linux kernel code: nfc: pn533: initialize struct pn533_out_arg properly
Problem Details: struct pn533_out_arg used as a temporary context for out_urb is not initialized properly. Its uninitialized 'phy' field can be dereferenced in error cases inside pn533_out_complete() callback function. It causes the following failure: general protection fault, probably for non-canonical address 0xdfff...
```diff diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index ed9c5e2cf3ad..a187f0e0b0f7 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -175,6 +175,7 @@ static int pn533_usb_send_frame(struct pn533 *dev, print_hex_dump_debug("PN533 TX: ", DUMP_PREFIX_NONE, 16, 1, out->da...
42994ee3cd7298b27698daa6848ed7168e72d056
Analyze and fix the following issue in the Linux kernel code: security: Introduce LSM_ORDER_LAST and set it for the integrity LSM
Problem Details: Introduce LSM_ORDER_LAST, to satisfy the requirement of LSMs needing to be last, e.g. the 'integrity' LSM, without changing the kernel command line or configuration. Also, set this order for the 'integrity' LSM. While not enforced, this is the only LSM expected to use it. Similarly to LSM_ORDER_FIRST...
```diff diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index ddbbe89a7a48..c2be66c669ae 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -92,6 +92,7 @@ extern void security_add_hooks(struct security_hook_list *hooks, int count, enum lsm_order { LSM_ORDER_FIRST = -1, /* Th...
2c6a96dad5797e57b4cf04101d6c8d5c7a571603
Analyze and fix the following issue in the Linux kernel code: kunit: fix bug of extra newline characters in debugfs logs
Problem Details: Fix bug of the extra newline characters in debugfs logs. When a line is added to debugfs with a newline character at the end, an extra line appears in the debugfs log. This is due to a discrepancy between how the lines are printed and how they are added to the logs. Remove this discrepancy by checking...
```diff diff --git a/include/kunit/test.h b/include/kunit/test.h index 0668d29f3453..9721584027d8 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -420,7 +420,7 @@ void __printf(2, 3) kunit_log_append(char *log, const char *fmt, ...); #define kunit_log(lvl, test_or_suite, fmt, ...) \ do { \ ...
f9a301c3317daa921375da0aec82462ddf019928
Analyze and fix the following issue in the Linux kernel code: kunit: fix bug in the order of lines in debugfs logs
Problem Details: Fix bug in debugfs logs that causes an incorrect order of lines in the debugfs log. Currently, the test counts lines that show the number of tests passed, failed, and skipped, as well as any suite diagnostic lines, appear prior to the individual results, which is a bug. Ensure the order of printing f...
```diff diff --git a/lib/kunit/debugfs.c b/lib/kunit/debugfs.c index de0ee2e03ed6..b08bb1fba106 100644 --- a/lib/kunit/debugfs.c +++ b/lib/kunit/debugfs.c @@ -55,14 +55,24 @@ static int debugfs_print_results(struct seq_file *seq, void *v) enum kunit_status success = kunit_suite_has_succeeded(suite); struct kunit_ca...
887d85a0736ff346cbfe5efaf51cf20c7ca195a3
Analyze and fix the following issue in the Linux kernel code: kunit: fix bug in debugfs logs of parameterized tests
Problem Details: Fix bug in debugfs logs that causes individual parameterized results to not appear because the log is reinitialized (cleared) when each parameter is run. Ensure these results appear in the debugfs logs, increase log size to allow for the size of parameterized results. As a result, append lines to the ...
```diff diff --git a/include/kunit/test.h b/include/kunit/test.h index 08d3559dd703..0668d29f3453 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -34,7 +34,7 @@ DECLARE_STATIC_KEY_FALSE(kunit_running); struct kunit; /* Size of log associated with test. */ -#define KUNIT_LOG_SIZE 512 +#define KUNIT_L...
e8c8361cfdbf450f760e8a2bdbd4222d1947366b
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix progs/test_deny_namespace.c issues.
Problem Details: The following build error can be seen: progs/test_deny_namespace.c:22:19: error: call to undeclared function 'BIT_LL'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] __u64 cap_mask = BIT_LL(CAP_SYS_ADMIN); The struct kernel_cap_struct no longe...
```diff diff --git a/tools/testing/selftests/bpf/progs/test_deny_namespace.c b/tools/testing/selftests/bpf/progs/test_deny_namespace.c index 591104e79812..e96b901a733c 100644 --- a/tools/testing/selftests/bpf/progs/test_deny_namespace.c +++ b/tools/testing/selftests/bpf/progs/test_deny_namespace.c @@ -5,12 +5,10 @@ #i...
32513d40d908b267508d37994753d9bd1600914b
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Fix progs/find_vma_fail1.c build error.
Problem Details: The commit 11e456cae91e ("selftests/bpf: Fix compilation errors: Assign a value to a constant") fixed the issue cleanly in bpf-next. This is an alternative fix in bpf tree to avoid merge conflict between bpf and bpf-next. Signed-off-by: Alexei Starovoitov <ast@kernel.org>
```diff diff --git a/tools/testing/selftests/bpf/progs/find_vma_fail1.c b/tools/testing/selftests/bpf/progs/find_vma_fail1.c index b3b326b8e2d1..6dab9cffda13 100644 --- a/tools/testing/selftests/bpf/progs/find_vma_fail1.c +++ b/tools/testing/selftests/bpf/progs/find_vma_fail1.c @@ -2,6 +2,7 @@ /* Copyright (c) 2021 Fa...
624c60f326c6e5a80b008e8a5c7feffe8c27dc72
Analyze and fix the following issue in the Linux kernel code: selftests: fix LLVM build for i386 and x86_64
Problem Details: Add missing cases for the i386 and x86_64 architectures when determining the LLVM target for building kselftest. Fixes: 795285ef2425 ("selftests: Fix clang cross compilation") Signed-off-by: Guillaume Tucker <guillaume.tucker@collabora.com> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Signed-off...
```diff diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index f7900e75d230..05400462c779 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -10,12 +10,14 @@ endif CLANG_TARGET_FLAGS_arm := arm-linux-gnueabi CLANG_TARGET_FLAGS_arm64 := aarch...
063f3ed9faf38e41449838bb3258a7d00f75c5d1
Analyze and fix the following issue in the Linux kernel code: Move ep_take_care_of_epollwakeup() to fs/eventpoll.c
Problem Details: This doesn't make any sense to expose to userspace, so it's been moved to the one user. This was introduced by commit 95f19f658ce1 ("epoll: drop EPOLLWAKEUP if PM_SLEEP is disabled"). Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com> Reviewed-by: Andrew Waterman <waterman@eecs.berkeley.edu> Reviewed...
```diff diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 64659b110973..e2a5d2cc9051 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -2042,6 +2042,19 @@ SYSCALL_DEFINE1(epoll_create, int, size) return do_epoll_create(0); } +#ifdef CONFIG_PM_SLEEP +static inline void ep_take_care_of_epollwakeup(struct epoll_ev...
fd8c1a4aee973e87d890a5861e106625a33b2c4e
Analyze and fix the following issue in the Linux kernel code: iommufd/selftest: Catch overflow of uptr and length
Problem Details: syzkaller hits a WARN_ON when trying to have a uptr close to UINTPTR_MAX: WARNING: CPU: 1 PID: 393 at drivers/iommu/iommufd/selftest.c:403 iommufd_test+0xb19/0x16f0 Modules linked in: CPU: 1 PID: 393 Comm: repro Not tainted 6.2.0-c9c3395d5e3d #1 Hardware name: QEMU Standard PC (i440FX + PIIX, ...
```diff diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index 17cb7b95eb27..58471f9452be 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -480,10 +480,12 @@ static int iommufd_test_md_check_pa(struct iommufd_ucmd *ucmd, { struct iommufd_hw_paget...
4a54de65964d37c3929379271ab31355e93ccddf
Analyze and fix the following issue in the Linux kernel code: bpf/selftests: Fix send_signal tracepoint tests
Problem Details: The send_signal tracepoint tests are non-deterministically failing in CI. The test works as follows: 1. Two pairs of file descriptors are created using the pipe() function. One pair is used to communicate between a parent process -> child process, and the other for the reverse direction. 2. A c...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/send_signal.c b/tools/testing/selftests/bpf/prog_tests/send_signal.c index d63a20fbed33..b15b343ebb6b 100644 --- a/tools/testing/selftests/bpf/prog_tests/send_signal.c +++ b/tools/testing/selftests/bpf/prog_tests/send_signal.c @@ -64,8 +64,12 @@ static void te...
05777499a81298ef7e4a5e32a6f744f1f937a80c
Analyze and fix the following issue in the Linux kernel code: ARM: dyndbg: allow including dyndbg.h in decompressor
Problem Details: After a change to linux/module.h, dyndbg.h is now included indirectly from the decompressor for lz4 support, which in turn causes a build failure on 32-bit Arm: In file included from include/linux/module.h:30, from arch/arm/boot/compressed/../../../../lib/lz4/lz4_decompress.c:39, ...
```diff diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c index 74255e819831..0669851394f0 100644 --- a/arch/arm/boot/compressed/decompress.c +++ b/arch/arm/boot/compressed/decompress.c @@ -31,6 +31,7 @@ /* Not needed, but used in some headers pulled in by decompressors */ ext...
d6f7ff9dd387861fa30cbc6375d15b586da17d33
Analyze and fix the following issue in the Linux kernel code: libbpf: Revert poisoning of strlcpy
Problem Details: This reverts commit 6d0c4b11e743("libbpf: Poison strlcpy()"). It added the pragma poison directive to libbpf_internal.h to protect against accidental usage of strlcpy but ended up breaking the build for toolchains based on libcs which provide the strlcpy() declaration from string.h (e.g. uClibc-ng). T...
```diff diff --git a/tools/lib/bpf/libbpf_internal.h b/tools/lib/bpf/libbpf_internal.h index fbaf68335394..e4d05662a96c 100644 --- a/tools/lib/bpf/libbpf_internal.h +++ b/tools/lib/bpf/libbpf_internal.h @@ -20,8 +20,8 @@ /* make sure libbpf doesn't use kernel-only integer typedefs */ #pragma GCC poison u8 u16 u32 u64...
52c2b005a3c18c565fc70cfd0ca49375f301e952
Analyze and fix the following issue in the Linux kernel code: bpf: take into account liveness when propagating precision
Problem Details: When doing state comparison, if old state has register that is not marked as REG_LIVE_READ, then we just skip comparison, regardless what's the state of corresponing register in current state. This is because not REG_LIVE_READ register is irrelevant for further program execution and correctness. All go...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 13fd4c893f3b..0aaf7703326b 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -15058,7 +15058,8 @@ static int propagate_precision(struct bpf_verifier_env *env, state_reg = state->regs; for (i = 0; i < BPF_REG_FP; i++, state_re...
636f973c123fc64861cf41457a68302078b323e1
Analyze and fix the following issue in the Linux kernel code: drm/i915: Reject wm levels that exceed vblank time
Problem Details: The pipe needs a certain amount of time during vblank to prefill sufficiently. If the vblank is too short the relevant watermark level must be disabled. Start implementing the necessary calculations to check this. Scaler and DSC prefill are left out for now as handling those is not entirely trivial. ...
```diff diff --git a/drivers/gpu/drm/i915/display/skl_watermark.c b/drivers/gpu/drm/i915/display/skl_watermark.c index a601747cae55..50a9a6adbe32 100644 --- a/drivers/gpu/drm/i915/display/skl_watermark.c +++ b/drivers/gpu/drm/i915/display/skl_watermark.c @@ -12,6 +12,7 @@ #include "intel_atomic.h" #include "intel_ato...
0b04d4c0542e8573a837b1d81b94209e48723b25
Analyze and fix the following issue in the Linux kernel code: f2fs: Fix f2fs_truncate_partial_nodes ftrace event
Problem Details: Fix the nid_t field so that its size is correctly reported in the text format embedded in trace.dat files. As it stands, it is reported as being of size 4: field:nid_t nid[3]; offset:24; size:4; signed:0; Instead of 12: field:nid_t nid[3]; offset:24; size:12; ...
```diff diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 1322d34a5dfc..99cbc5949e3c 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -512,7 +512,7 @@ TRACE_EVENT(f2fs_truncate_partial_nodes, TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __f...
c4a1e57b3544bd3d0252cf4e1d73d9a317de0923
Analyze and fix the following issue in the Linux kernel code: drm/i915/opregion: Fix opregion setup during system resume on platforms without display
Problem Details: Atm, during system resume, the driver updates the display connector information required by the opregion video extensions during system resume, on platforms both with and without display being present. On !HAS_DISPLAY platforms this will result in the crash with the stack trace below, since the driver'...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_opregion.c b/drivers/gpu/drm/i915/display/intel_opregion.c index b8dce0576512..bbcc2142d7df 100644 --- a/drivers/gpu/drm/i915/display/intel_opregion.c +++ b/drivers/gpu/drm/i915/display/intel_opregion.c @@ -1159,13 +1159,10 @@ void intel_opregion_register(struct d...
203734a0419cade9c76016f66e2c7ba354c249b4
Analyze and fix the following issue in the Linux kernel code: pinctrl: renesas: r8a779g0: Fix Group 6/7 pin functions
Problem Details: According to R-Car V4H Series User’s Manual: Hardware Rev. 0.54, pin groups 6 and 7 do not use Module Select Registers to configure pin functions. Hence: - Remove the non-existent Module Select Registers (MODSEL[67]), - Correct the affected PINMUX definitions. Fixes: 36611d28f5130d8b ("pinctrl: r...
```diff diff --git a/drivers/pinctrl/renesas/pfc-r8a779g0.c b/drivers/pinctrl/renesas/pfc-r8a779g0.c index a2fa1c5bc3f6..70f81844748b 100644 --- a/drivers/pinctrl/renesas/pfc-r8a779g0.c +++ b/drivers/pinctrl/renesas/pfc-r8a779g0.c @@ -649,30 +649,6 @@ FM(IP0SR8_23_20) IP0SR8_23_20 FM(IP1SR8_23_20) IP1SR8_23_20 \ FM(IP...
0a7a5226e7b177c68800985a19a80c1df9bceff6
Analyze and fix the following issue in the Linux kernel code: pinctrl: renesas: r8a779g0: Fix Group 4/5 pin functions
Problem Details: According to R-Car V4H Series User’s Manual: Hardware Rev. 0.54, pin groups 4 and 5 do not use Module Select Registers to configure pin functions, but use Peripheral Function Select Registers instead. Hence: - Remove the non-existent Module Select Registers (MODSEL[45]), - Add the missing Peripher...
```diff diff --git a/drivers/pinctrl/renesas/pfc-r8a779g0.c b/drivers/pinctrl/renesas/pfc-r8a779g0.c index 9671d668a3c3..a2fa1c5bc3f6 100644 --- a/drivers/pinctrl/renesas/pfc-r8a779g0.c +++ b/drivers/pinctrl/renesas/pfc-r8a779g0.c @@ -156,54 +156,54 @@ #define GPSR3_0 F_(MMC_SD_D1, IP0SR3_3_0) /* GPSR4 */ -#defin...
2a5c9891392dca47f6865a2add1986876e40849c
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a07g043: Update IRQ numbers for SSI channels
Problem Details: From R01UH0968EJ0100 Rev.1.00 HW manual the interrupt numbers for SSI channels have been updated, SPI 329 - SSIF0 is now marked as reserved SPI 333 - SSIF1 is now marked as reserved SPI 335 - SSIF2 is now marked as reserved SPI 336 - SSIF2 is now marked as reserved SPI 341 - SSIF3 is now marked as res...
```diff diff --git a/arch/arm64/boot/dts/renesas/r9a07g043.dtsi b/arch/arm64/boot/dts/renesas/r9a07g043.dtsi index c8a83e42c4f3..a9700654b421 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g043.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g043.dtsi @@ -80,9 +80,8 @@ reg = <0 0x10049c00 0 0x400>; interrupts = <SOC...
c2b0dc0e83ef4a74cbe381fd0c84cea16cf067f0
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a07g054: Update IRQ numbers for SSI channels
Problem Details: From R01UH0936EJ0120 Rev.1.20 HW manual the interrupt numbers for SSI channels have been updated, SPI 329 - SSIF0 is now marked as reserved SPI 333 - SSIF1 is now marked as reserved SPI 335 - SSIF2 is now marked as reserved SPI 336 - SSIF2 is now marked as reserved SPI 341 - SSIF3 is now marked as res...
```diff diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi index 8592cddfd4e6..c0ae9c7c10fc 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi @@ -180,9 +180,8 @@ reg = <0 0x10049c00 0 0x400>; interrupts = <G...
5da750ddd96454757a3b467e968e3fb70bb12bc8
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r9a07g044: Update IRQ numbers for SSI channels
Problem Details: From R01UH0914EJ0120 Rev.1.20 HW manual the interrupt numbers for SSI channels have been updated, SPI 329 - SSIF0 is now marked as reserved SPI 333 - SSIF1 is now marked as reserved SPI 335 - SSIF2 is now marked as reserved SPI 336 - SSIF2 is now marked as reserved SPI 341 - SSIF3 is now marked as res...
```diff diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi index 447ebf90a10d..79cffbf20c55 100644 --- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi @@ -180,9 +180,8 @@ reg = <0 0x10049c00 0 0x400>; interrupts = <G...
554edc3e9239bb81e61be9f0f5dbbeb528a69e72
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r8a774c0: Remove bogus voltages from OPP table
Problem Details: According to the RZ/G Series, 2nd Generation Hardware User’s Manual Rev. 1.11, the System CPU cores on RZ/G2E do not have their own power supply, but use the common internal power supply (typical 1.03V). Hence remove the "opp-microvolt" properties from the Operating Performance Points table. They are...
```diff diff --git a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi index e21653d86228..10abfde329d0 100644 --- a/arch/arm64/boot/dts/renesas/r8a774c0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774c0.dtsi @@ -49,17 +49,14 @@ opp-shared; opp-800000000 { opp-hz = /bits/ 64 ...
fb76b0fae3ca880363214e1dcd6513ab8bd529e7
Analyze and fix the following issue in the Linux kernel code: arm64: dts: renesas: r8a77990: Remove bogus voltages from OPP table
Problem Details: According to the R-Car Series, 3rd Generation Hardware User’s Manual Rev. 2.30, the System CPU cores on R-Car E3 do not have their own power supply, but use the common internal power supply (typical 1.03V). Hence remove the "opp-microvolt" properties from the Operating Performance Points table. They ...
```diff diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi index d4718f144e33..4529e9b57c33 100644 --- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi @@ -49,17 +49,14 @@ opp-shared; opp-800000000 { opp-hz = /bits/ 64 ...
8a36cdc8ef2facc06d8bb973229131846770109b
Analyze and fix the following issue in the Linux kernel code: gpio: loongson: Remove unnecessary .owner
Problem Details: Remove .owner field if calls are used which set it automatically. ./drivers/gpio/gpio-loongson-64bit.c:225:3-8: No need to set .owner here. The core will do it. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4450 Signed-off-by: Jiapeng Chong <j...
```diff diff --git a/drivers/gpio/gpio-loongson-64bit.c b/drivers/gpio/gpio-loongson-64bit.c index 20a68e5e66c1..06213bbfabdd 100644 --- a/drivers/gpio/gpio-loongson-64bit.c +++ b/drivers/gpio/gpio-loongson-64bit.c @@ -222,7 +222,6 @@ MODULE_DEVICE_TABLE(acpi, loongson_gpio_acpi_match); static struct platform_driver l...
e57d06527738798039b8e91af762fbd33881b34d
Analyze and fix the following issue in the Linux kernel code: NFS & NFSD: Update GSS dependencies
Problem Details: Geert reports that: > On v6.2, "make ARCH=m68k defconfig" gives you > CONFIG_RPCSEC_GSS_KRB5=m > On v6.3, it became builtin, due to dropping the dependencies on > the individual crypto modules. > > $ grep -E "CRYPTO_(MD5|DES|CBC|CTS|ECB|HMAC|SHA1|AES)" .config > CONFIG_CRYPTO_AES=y > CONFIG_CRYPTO_AES_...
```diff diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig index 14a72224b657..450d6c3bc05e 100644 --- a/fs/nfs/Kconfig +++ b/fs/nfs/Kconfig @@ -75,7 +75,7 @@ config NFS_V3_ACL config NFS_V4 tristate "NFS client support for NFS version 4" depends on NFS_FS - select SUNRPC_GSS + select RPCSEC_GSS_KRB5 select KEYS hel...
d750d1480362781e208b3cc64640c0be127afcc9
Analyze and fix the following issue in the Linux kernel code: HID: nintendo: fix rumble rate limiter
Problem Details: It's been discovered that BT controller disconnect events correlate to erratic input report timestamp deltas. In experimentation, it's been found that ensuring that multiple timestamp deltas are consistent prior to transmitting a rumble packet drastically reduces the occurence rate of BT disconnects. ...
```diff diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c index 2b781cc9082b..250f5d2f888a 100644 --- a/drivers/hid/hid-nintendo.c +++ b/drivers/hid/hid-nintendo.c @@ -433,7 +433,9 @@ struct joycon_ctlr { u8 usb_ack_match; u8 subcmd_ack_match; bool received_input_report; + unsigned int last_inp...
21d19e601fd221cd61105286b0b6ec2f9c5a2576
Analyze and fix the following issue in the Linux kernel code: spi: mpc5xxx-psc: Remove goto to the unexisted label
Problem Details: The previous cleanup patch had lost one of its parts in a crack, Finish the cleanup by removing the leftovers. Reported-by: kernel test robot <lkp@intel.com> Fixes: 9e21720a4958 ("spi: mpc5xxx-psc: use devm_clk_get_enabled() for core clock") Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.inte...
```diff diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index 77a228f633d1..0b86f1804682 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -511,13 +511,9 @@ static int mpc512x_psc_spi_of_probe(struct platform_device *pdev) ret = mpc512x_psc_spi_port_config(...
fe9ae05cfbe587dda724fcf537c00bc2f287da62
Analyze and fix the following issue in the Linux kernel code: fbdev: Fix incorrect page mapping clearance at fb_deferred_io_release()
Problem Details: The recent fix for the deferred I/O by the commit 3efc61d95259 ("fbdev: Fix invalid page access after closing deferred I/O devices") caused a regression when the same fb device is opened/closed while it's being used. It resulted in a frozen screen even if something is redrawn there after the close. ...
```diff diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 583cbcf09446..a3cf1f764f29 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -309,17 +309,18 @@ void fb_deferred_io_open(struct fb_info *info, struct inode *inode, s...
14853a0676c126aad836eb249499552fa9d6e85a
Analyze and fix the following issue in the Linux kernel code: bus: mhi: host: pci_generic: Revert "Add a secondary AT port to Telit FN990"
Problem Details: This reverts commit 2d5253a096c6057bbf7caa5520856dcdf7eca8bb. There are 2 commits with commit message "Add a secondary AT port to Telit FN990": commit 2d5253a096c6 ("bus: mhi: host: pci_generic: Add a secondary AT port to Telit FN990") commit 479aa3b0ec2e ("bus: mhi: host: pci_generic: Add a secondary...
```diff diff --git a/drivers/bus/mhi/host/pci_generic.c b/drivers/bus/mhi/host/pci_generic.c index 6e13c43a84d1..91d02f84ba21 100644 --- a/drivers/bus/mhi/host/pci_generic.c +++ b/drivers/bus/mhi/host/pci_generic.c @@ -343,8 +343,6 @@ static const struct mhi_channel_config mhi_foxconn_sdx55_channels[] = { MHI_CHANNEL...
424b21e01aafc98a9c086f00b3ad1874302b92fc
Analyze and fix the following issue in the Linux kernel code: mips: ar7: include linux/gpio/driver.h
Problem Details: The change to remove the implicit gpio/driver.h include was done after fixing all the other users, but the ar7 file still needs the same change. Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Fixes: 21d9526d13b5 ("gpiolib: Make the legacy <linux/gpio.h> consumer-only") Signed-off-by: Arnd Ber...
```diff diff --git a/arch/mips/ar7/gpio.c b/arch/mips/ar7/gpio.c index ae0e01b9438f..4ed833b9cc2f 100644 --- a/arch/mips/ar7/gpio.c +++ b/arch/mips/ar7/gpio.c @@ -7,7 +7,7 @@ #include <linux/init.h> #include <linux/export.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <asm/mach-ar7/ar7.h> `...
11f92a1308795294b0ad694f6a260c9b9c62fa51
Analyze and fix the following issue in the Linux kernel code: hwrng: xgene - Simplify using dev_err_probe()
Problem Details: dev_err_probe simplifies the idiom: if (ret != -EPROBE_DEFER) dev_err(...) return ret; , emits the error code in a human readable way and even yields a useful entry in /sys/kernel/debug/devices_deferred in the EPROBE_DEFER case. So simplify and at the same time improve the driver by using dev_er...
```diff diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c index 008e6db9ce01..a6a30686a58b 100644 --- a/drivers/char/hw_random/xgene-rng.c +++ b/drivers/char/hw_random/xgene-rng.c @@ -337,10 +337,8 @@ static int xgene_rng_probe(struct platform_device *pdev) rc = devm_request_irq(&...
96c069508377547f913e7265a80fffe9355de592
Analyze and fix the following issue in the Linux kernel code: wifi: cfg80211: fix MLO connection ownership
Problem Details: When disconnecting from an MLO connection we need the AP MLD address, not an arbitrary BSSID. Fix the code to do that. Fixes: 9ecff10e82a5 ("wifi: nl80211: refactor BSS lookup in nl80211_associate()") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.green...
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 6869781283e2..4f63059efd81 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -10799,8 +10799,7 @@ static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, static struct cfg80211_bss *nl80211_assoc_bss(stru...
b27f07c50a73e34eefb6b1030b235192b7ded850
Analyze and fix the following issue in the Linux kernel code: wifi: nl80211: fix puncturing bitmap policy
Problem Details: This was meant to be a u32, and while applying the patch I tried to use policy validation for it. However, not only did I copy/paste it to u8 instead of u32, but also used the policy range erroneously. Fix both of these issues. Fixes: d7c1a9a0ed18 ("wifi: nl80211: validate and configure puncturing bit...
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 51f6582eff7b..6869781283e2 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -462,6 +462,11 @@ nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, }; +static struct netlink_ra...
f624bb6fad23df3270580b4fcef415c6e7bf7705
Analyze and fix the following issue in the Linux kernel code: wifi: nl80211: fix NULL-ptr deref in offchan check
Problem Details: If, e.g. in AP mode, the link was already created by userspace but not activated yet, it has a chandef but the chandef isn't valid and has no channel. Check for this and ignore this link. Fixes: 7b0a0e3c3a88 ("wifi: cfg80211: do some rework towards MLO link APIs") Signed-off-by: Johannes Berg <johanne...
```diff diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 112b4bb009c8..51f6582eff7b 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8901,7 +8901,7 @@ static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev, struct cfg80211_chan_def *chandef; chandef = wdev_...
3a2776e8a0e156a61f5b59ae341d8fffc730b962
Analyze and fix the following issue in the Linux kernel code: PCI: kirin: Select REGMAP_MMIO
Problem Details: pcie-kirin uses regmaps, and needs to pull them in; otherwise, with CONFIG_PCIE_KIRIN=y and without CONFIG_REGMAP_MMIO pcie-kirin produces a linker failure looking for __devm_regmap_init_mmio_clk(). Fixes: d19afe7be126 ("PCI: kirin: Use regmap for APB registers") Link: https://lore.kernel.org/r/046361...
```diff diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig index 434f6a4f4041..d29551261e80 100644 --- a/drivers/pci/controller/dwc/Kconfig +++ b/drivers/pci/controller/dwc/Kconfig @@ -307,6 +307,7 @@ config PCIE_KIRIN tristate "HiSilicon Kirin series SoCs PCIe controllers" depends...
06be62083c5308c76a891ca975d66d832e2afc07
Analyze and fix the following issue in the Linux kernel code: nvmem: core: return -ENOENT if nvmem cell is not found
Problem Details: Prior to commit 5d8e6e6c10a3 ("nvmem: core: add an index parameter to the cell") of_nvmem_cell_get() would return -ENOENT if the cell wasn't found. Particularly, if of_property_match_string() returned -EINVAL, that return code was passed as the index to of_parse_phandle(), which then detected it as inv...
```diff diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 174ef3574e07..22024b830788 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -1231,7 +1231,7 @@ struct nvmem_cell *of_nvmem_cell_get(struct device_node *np, const char *id) "#nvmem-cell-cells", index, &cell_spec); i...
09e65ee9059d76b89cb713795748805efd3f50c6
Analyze and fix the following issue in the Linux kernel code: vdpa/mlx5: should not activate virtq object when suspended
Problem Details: Otherwise the virtqueue object to instate could point to invalid address that was unmapped from the MTT: mlx5_core 0000:41:04.2: mlx5_cmd_out_err:782:(pid 8321): CREATE_GENERAL_OBJECT(0xa00) op_mod(0xd) failed, status bad parameter(0x3), syndrome (0x5fa1c), err(-22) Fixes: cae15c2ed8e6 ("vdpa/m...
```diff diff --git a/drivers/vdpa/mlx5/core/mlx5_vdpa.h b/drivers/vdpa/mlx5/core/mlx5_vdpa.h index 058fbe28107e..25fc4120b618 100644 --- a/drivers/vdpa/mlx5/core/mlx5_vdpa.h +++ b/drivers/vdpa/mlx5/core/mlx5_vdpa.h @@ -96,6 +96,7 @@ struct mlx5_vdpa_dev { struct mlx5_control_vq cvq; struct workqueue_struct *wq; u...
aed8efddd39b3434c96718d39009285c52b1cafc
Analyze and fix the following issue in the Linux kernel code: vp_vdpa: fix the crash in hot unplug with vp_vdpa
Problem Details: While unplugging the vp_vdpa device, it triggers a kernel panic The root cause is: vdpa_mgmtdev_unregister() will accesses modern devices which will cause a use after free. So need to change the sequence in vp_vdpa_remove [ 195.003359] BUG: unable to handle page fault for address: ff4e8beb80199014 [ ...
```diff diff --git a/drivers/vdpa/virtio_pci/vp_vdpa.c b/drivers/vdpa/virtio_pci/vp_vdpa.c index 8fe267ca3e76..281287fae89f 100644 --- a/drivers/vdpa/virtio_pci/vp_vdpa.c +++ b/drivers/vdpa/virtio_pci/vp_vdpa.c @@ -645,8 +645,8 @@ static void vp_vdpa_remove(struct pci_dev *pdev) struct virtio_pci_modern_device *mdev ...
ce086a32ae21a01e48d202cf85b43815a0eeccfc
Analyze and fix the following issue in the Linux kernel code: drm/i915: Ensure DSC has enough BW and stays within HW limits
Problem Details: We currently have an issue with some BPPs when using DSC. According to the HW team, the reason is that a single VDSC engine instance has some BW limitations that must be accounted for. So, whenever we approach around 90% of the CDCLK, a second VDSC engine has to be used. This always means using two sli...
```diff diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index aee93b0d810e..8e16745275f6 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -687,6 +687,12 @@ u32 intel_dp_dsc_nearest_valid_bpp(struct drm_i915_private *i915...
0433686c6092f65b552eadad651f620e51b6aad1
Analyze and fix the following issue in the Linux kernel code: devres: Pass unique name of the resource to devm_add_action()
Problem Details: Pass the unique name of the resource to devm_add_action(), so it will be easier to debug managed resources. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20230224200745.17324-1-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gre...
```diff diff --git a/drivers/base/devres.c b/drivers/base/devres.c index c0e100074aa3..5c998cfac335 100644 --- a/drivers/base/devres.c +++ b/drivers/base/devres.c @@ -722,20 +722,21 @@ static void devm_action_release(struct device *dev, void *res) } /** - * devm_add_action() - add a custom action to list of managed...
a1331535aeb41b08fe0c2c78af51885edc93615b
Analyze and fix the following issue in the Linux kernel code: net: restore alpha order to Ethernet devices in config
Problem Details: The filename "wangxun" sorts between "intel" and "xscale", but xscale/Kconfig contains "Intel XScale" prompts, so Wangxun ends up in the wrong place in the config front-ends. Move wangxun/Kconfig so the Wangxun devices appear in order in the user interface. Fixes: 3ce7547e5b71 ("net: txgbe: Add build...
```diff diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig index 1917da784191..5a274b99f299 100644 --- a/drivers/net/ethernet/Kconfig +++ b/drivers/net/ethernet/Kconfig @@ -84,7 +84,6 @@ source "drivers/net/ethernet/huawei/Kconfig" source "drivers/net/ethernet/i825xx/Kconfig" source "drivers/net...
76b9bf965c98c9b53ef7420b3b11438dbd764f92
Analyze and fix the following issue in the Linux kernel code: neighbour: delete neigh_lookup_nodev as not used
Problem Details: neigh_lookup_nodev isn't used in the kernel after removal of DECnet. So let's remove it. Fixes: 1202cdd66531 ("Remove DECnet support from kernel") Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> L...
```diff diff --git a/include/net/neighbour.h b/include/net/neighbour.h index 2f2a6023fb0e..234799ca527e 100644 --- a/include/net/neighbour.h +++ b/include/net/neighbour.h @@ -336,8 +336,6 @@ void neigh_table_init(int index, struct neigh_table *tbl); int neigh_table_clear(int index, struct neigh_table *tbl); struct ne...
bced3f7db95ff2e6ca29dc4d1c9751ab5e736a09
Analyze and fix the following issue in the Linux kernel code: tcp: tcp_make_synack() can be called from process context
Problem Details: tcp_rtx_synack() now could be called in process context as explained in 0a375c822497 ("tcp: tcp_rtx_synack() can be called from process context"). tcp_rtx_synack() might call tcp_make_synack(), which will touch per-CPU variables with preemption enabled. This causes the following BUG: BUG: using _...
```diff diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 71d01cf3c13e..ba839e441450 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -3605,7 +3605,7 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst, th->window = htons(min(req->rsk_rcv_wnd, 65535U)); tc...
609d54441493c99f21c1823dfd66fa7f4c512ff4
Analyze and fix the following issue in the Linux kernel code: fs: prevent out-of-bounds array speculation when closing a file descriptor
Problem Details: Google-Bug-Id: 114199369 Signed-off-by: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
```diff diff --git a/fs/file.c b/fs/file.c index c942c89ca4cd..7893ea161d77 100644 --- a/fs/file.c +++ b/fs/file.c @@ -642,6 +642,7 @@ static struct file *pick_file(struct files_struct *files, unsigned fd) if (fd >= fdt->max_fds) return NULL; + fd = array_index_nospec(fd, fdt->max_fds); file = fdt->fd[fd]; i...
aa69f814920d85a2d4cfd5c294757c3d59d2fba6
Analyze and fix the following issue in the Linux kernel code: ftrace,kcfi: Define ftrace_stub_graph conditionally
Problem Details: When CONFIG_FUNCTION_GRAPH_TRACER is disabled, __kcfi_typeid_ftrace_stub_graph is missing, causing a link failure: ld.lld: error: undefined symbol: __kcfi_typeid_ftrace_stub_graph referenced by arch/x86/kernel/ftrace_64.o:(__cfi_ftrace_stub_graph) in archive vmlinux.a Mark the reference to it as co...
```diff diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S index 1265ad519249..fb4f1e01b64a 100644 --- a/arch/x86/kernel/ftrace_64.S +++ b/arch/x86/kernel/ftrace_64.S @@ -136,10 +136,12 @@ SYM_TYPED_FUNC_START(ftrace_stub) RET SYM_FUNC_END(ftrace_stub) +#ifdef CONFIG_FUNCTION_GRAPH_TRACER SYM_...
ee92fa443358f4fc0017c1d0d325c27b37802504
Analyze and fix the following issue in the Linux kernel code: ftrace: Fix invalid address access in lookup_rec() when index is 0
Problem Details: KASAN reported follow problem: BUG: KASAN: use-after-free in lookup_rec Read of size 8 at addr ffff000199270ff0 by task modprobe CPU: 2 Comm: modprobe Call trace: kasan_report __asan_load8 lookup_rec ftrace_location arch_check_ftrace_location check_kprobe_address_safe register_kprobe...
```diff diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 750aa3f08b25..a47f7d93e32d 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1537,7 +1537,8 @@ static struct dyn_ftrace *lookup_rec(unsigned long start, unsigned long end) key.flags = end; /* overload flags, as it is unsigned lo...
9f116f76fa8c04c81aef33ad870dbf9a158e5b70
Analyze and fix the following issue in the Linux kernel code: tracing: Check field value in hist_field_name()
Problem Details: The function hist_field_name() cannot handle being passed a NULL field parameter. It should never be NULL, but due to a previous bug, NULL was passed to the function and the kernel crashed due to a NULL dereference. Mark Rutland reported this to me on IRC. The bug was fixed, but to prevent future bugs...
```diff diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 6e8ab726a7b5..486cca3c2b75 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -1331,6 +1331,9 @@ static const char *hist_field_name(struct hist_field *field, { const char *field_name = ...
e0213434fe3e4a0d118923dc98d31e7ff1cd9e45
Analyze and fix the following issue in the Linux kernel code: tracing: Do not let histogram values have some modifiers
Problem Details: Histogram values can not be strings, stacktraces, graphs, symbols, syscalls, or grouped in buckets or log. Give an error if a value is set to do so. Note, the histogram code was not prepared to handle these modifiers for histograms and caused a bug. Mark Rutland reported: # echo 'p:copy_to_user __a...
```diff diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index 89877a18f933..6e8ab726a7b5 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -4235,6 +4235,15 @@ static int __create_val_field(struct hist_trigger_data *hist_data, goto out; } + /*...
b42fee5e0b44344cfe4c38e61341ee250362c83f
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix error checking in amdgpu_read_mm_registers for nv
Problem Details: Properly skip non-existent registers as well. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442 Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c index d972025f0d20..855d390c41de 100644 --- a/drivers/gpu/drm/amd/amdgpu/nv.c +++ b/drivers/gpu/drm/amd/amdgpu/nv.c @@ -444,9 +444,10 @@ static int nv_read_register(struct amdgpu_device *adev, u32 se_num, *value = 0; for (i = 0; ...
2915e43a033a778816fa4bc621f033576796521e
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc21
Problem Details: Properly skip non-existent registers as well. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442 Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c index 620f7409825d..9df2236007ab 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc21.c +++ b/drivers/gpu/drm/amd/amdgpu/soc21.c @@ -291,9 +291,10 @@ static int soc21_read_register(struct amdgpu_device *adev, u32 se_num, *value = 0;...
0dcdf8498eae2727bb33cef3576991dc841d4343
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix error checking in amdgpu_read_mm_registers for soc15
Problem Details: Properly skip non-existent registers as well. Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2442 Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 7cd17dda32ce..2eddd7f6cd41 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -439,8 +439,9 @@ static int soc15_read_register(struct amdgpu_device *adev, u32 se_num, *value = 0; ...
8879ec6dfdcdcca7718eeb4a584805eb205288bf
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix the warning info when removing amdgpu device
Problem Details: Actually, the drm_dev_enter in psp_cmd_submit_buf does not protect anything. If DRM device is unplugged, it will always check the condition in WARN_ON. So drop drm_dev_enter and drm_dev_exit in psp_cmd_submit_buf. When removing amdgpu, the calling order is as follows: amdgpu_pci_remove drm_dev_unp...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 28fe6d941054..3f5d13035aff 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -602,27 +602,14 @@ psp_cmd_submit_buf(struct psp_context *psp, struct psp_gf...
20534dbcc7b7bfb447279cdcfb0d88ee3b779a18
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: fix return value check in kfd
Problem Details: This patch fixes a return value check in kfd doorbell handling. This function should return 0(error) only when the ida_simple_get returns < 0(error), return > 0 is a success case. Cc: Felix Kuehling <Felix.Kuehling@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Fixes: 16f0013157bf ("drm/amdkfd:...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c index cbef2e147da5..38c9e1ca6691 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c @@ -280,7 +280,7 @@ phys_addr_t kfd_get_process_doorbells(struct kfd_process_...
1717cc5f2962a4652c76ed3858b499ccae6c277c
Analyze and fix the following issue in the Linux kernel code: drm/amd: Fix initialization mistake for NBIO 7.3.0
Problem Details: The same strapping initialization issue that happened on NBIO 7.5.1 appears to be happening on NBIO 7.3.0. Apply the same fix to 7.3.0 as well. Note: This workaround relies upon the integrated GPU being enabled in BIOS. If the integrated GPU is disabled in BIOS a different workaround will be required....
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c index 4b0d563c6522..4ef1fa4603c8 100644 --- a/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c +++ b/drivers/gpu/drm/amd/amdgpu/nbio_v7_2.c @@ -382,11 +382,6 @@ static void nbio_v7_2_init_registers(struct amdgpu_device *adev) ...
93bb18d2a873d2fa9625c8ea927723660a868b95
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix call trace warning and hang when removing amdgpu device
Problem Details: On GPUs with RAS enabled, below call trace and hang are observed when shutting down device. v2: use DRM device unplugged flag instead of shutdown flag as the check to prevent memory wipe in shutdown stage. [ +0.000000] RIP: 0010:amdgpu_vram_mgr_fini+0x18d/0x1c0 [amdgpu] [ +0.000001] PKRU: 55555554 [ ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e3e1ed4314dd..6c7d672412b2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1315,7 +1315,7 @@ void amdgpu_bo_release_notify(struct ttm_buffer_obj...
63d78b7e8ca2d0eb8c687a355fa19d01b6fcc723
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Workaround verification failure for fexit_bpf2bpf/func_replace_return_code
Problem Details: With latest llvm17, selftest fexit_bpf2bpf/func_replace_return_code has the following verification failure: 0: R1=ctx(off=0,imm=0) R10=fp0 ; int connect_v4_prog(struct bpf_sock_addr *ctx) 0: (bf) r7 = r1 ; R1=ctx(off=0,imm=0) R7_w=ctx(off=0,imm=0) 1: (b4) w6 = 0 ...
```diff diff --git a/tools/testing/selftests/bpf/progs/connect4_prog.c b/tools/testing/selftests/bpf/progs/connect4_prog.c index ec25371de789..7ef49ec04838 100644 --- a/tools/testing/selftests/bpf/progs/connect4_prog.c +++ b/tools/testing/selftests/bpf/progs/connect4_prog.c @@ -32,7 +32,7 @@ #define IFNAMSIZ 16 #endi...
1d0f9fea5d7f48078a706c90e4fd79cf697b5b3c
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Defer issuing new PLOGI if received RSCN before completing REG_LOGIN
Problem Details: When mapped to a target with multiple virtual ports, a link bounce sometimes results in unsuccessful rediscovery of all of the target's virtual ports. This is because a succession of repeat RSCNs for the virtual target ports leaves ndlps in the REG_LOGIN state with the NLP_REG_LOGIN_SEND flag set. Wi...
```diff diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 459e50836853..0342e8cdcc9e 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -2208,14 +2208,15 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry) * outstanding UNREG_RPI mb...
c0d6071aa26f2989fada9a66b216419965f207db
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix lockdep warning for rx_monitor lock when unloading driver
Problem Details: Lockdep enabled kernels report a theoretical deadlock state where the cmf_timer interrupt occurs while the rx_monitor ring is being destroyed. During rmmod, the cmf_timer is cancelled prior to the lpfc_rx_monitor_destroy_ring call. This actually eliminates the need to take the rx_monitor ring lock in...
```diff diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index bfab1f0fb3f0..c8b4632e3dd4 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -8080,16 +8080,16 @@ int lpfc_rx_monitor_create_ring(struct lpfc_rx_info_monitor *rx_monitor, /** * lpfc_rx_monitor_destroy...
c6087b82a9146826564a55c5ca0164cac40348f5
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow
Problem Details: A static code analysis tool flagged the possibility of buffer overflow when using copy_from_user() for a debugfs entry. Currently, it is possible that copy_from_user() copies more bytes than what would fit in the mybuf char array. Add a min() restriction check between sizeof(mybuf) - 1 and nbytes pas...
```diff diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index f5252e45a48a..3e365e5e194a 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -2157,10 +2157,13 @@ lpfc_debugfs_lockstat_write(struct file *file, const char __user *buf, char mybuf[64]; ...
a4c2673caed9a5705b78898004ea066c29d8cafe
Analyze and fix the following issue in the Linux kernel code: scsi: message: fusion: Avoid flush_scheduled_work() usage
Problem Details: Like commit c4f135d64382 ("workqueue: Wrap flush_workqueue() using a macro") says, flush_scheduled_work() is dangerous and will be forbidden. Commit 4d4109d0eb69 ("[SCSI] mpt fusion: Power Management fixes for MPT SAS PCI-E controllers") added flush_scheduled_work() call into mptscsih_suspend(). As o...
```diff diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 276084ed04a6..2bc17087d17d 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1231,7 +1231,6 @@ mptscsih_suspend(struct pci_dev *pdev, pm_message_t state) MPT_ADAPTER *ioc = pci_g...
d0b50c64def4cd089388e1d5c5cf8d0b6cbb1710
Analyze and fix the following issue in the Linux kernel code: scsi: be2iscsi: Remove unused variable internal_page_offset
Problem Details: The variable 'internal_page_offset' is not used. Delete it. drivers/scsi/be2iscsi/be_cmds.c:1176:6: warning: variable 'internal_page_offset' set but not used. Reported-by: Abaci Robot <abaci@linux.alibaba.com> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4011 Signed-off-by: Jiapeng Chong <jia...
```diff diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c index 69b1a80e3687..0b59b63bce79 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -1173,7 +1173,6 @@ int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba = pci_get...
c6001025d53ab56d7159cf313313c6b5bd250380
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: mcq: Use active_reqs to check busy in clock scaling
Problem Details: Multi Circular Queue doesn't use outstanding_reqs. However, the UFS clock scaling functions use outstanding_reqs to determine if there are requests pending. When MCQ is enabled, this check always returns false. Hence use active_reqs to check if there are pending requests. Fixes: eacb139b77ff ("scsi: ...
```diff diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c index 05eac965ee27..37e178a9ac47 100644 --- a/drivers/ufs/core/ufshcd.c +++ b/drivers/ufs/core/ufshcd.c @@ -1500,7 +1500,7 @@ start_window: scaling->window_start_t = curr_t; scaling->tot_busy_t = 0; - if (hba->outstanding_reqs) { + if (sca...
be03df3d4bfe7e8866d4aa43d62e648ffe884f5f
Analyze and fix the following issue in the Linux kernel code: scsi: core: Fix a procfs host directory removal regression
Problem Details: scsi_proc_hostdir_rm() decreases a reference counter and hence must only be called once per host that is removed. This change does not require a scsi_add_host_with_dma() change since scsi_add_host_with_dma() will return 0 (success) if scsi_proc_host_add() is called. Fixes: fc663711b944 ("scsi: core: R...
```diff diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index f7f62e56afca..9b6fbbe15d92 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -341,9 +341,6 @@ static void scsi_host_dev_release(struct device *dev) struct Scsi_Host *shost = dev_to_shost(dev); struct device *parent = dev->parent; ...
4b1a2c2a8e0ddcb89c5f6c5003bd9b53142f69e3
Analyze and fix the following issue in the Linux kernel code: scsi: core: Add BLIST_NO_VPD_SIZE for some VDASD
Problem Details: Some storage, such as AIX VDASD (virtual storage) and IBM 2076 (front end), fail as a result of commit c92a6b5d6335 ("scsi: core: Query VPD size before getting full page"). That commit changed getting SCSI VPD pages so that we now read just enough of the page to get the actual page size, then read the...
```diff diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 7d2210a006f0..5cce1ba70fc6 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -326,6 +326,9 @@ static int scsi_get_vpd_size(struct scsi_device *sdev, u8 page) unsigned char vpd_header[SCSI_VPD_HEADER_SIZE] __aligned(4); int result; + ...
5cf9d015be160e2d90d29ae74ef1364390e8fce8
Analyze and fix the following issue in the Linux kernel code: clk: Avoid invalid function names in CLK_OF_DECLARE()
Problem Details: After commit c28cd1f3433c ("clk: Mark a fwnode as initialized when using CLK_OF_DECLARE() macro"), drivers/clk/mvebu/kirkwood.c fails to build: drivers/clk/mvebu/kirkwood.c:358:1: error: expected identifier or '(' CLK_OF_DECLARE(98dx1135_clk, "marvell,mv98dx1135-core-clock", ^ include/linux/clk-pr...
```diff diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index c9f5276006a0..6f3175f0678a 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -1364,12 +1364,12 @@ struct clk_hw_onecell_data { }; #define CLK_OF_DECLARE(name, compat, fn) \ - static void __init name#...
47c29d69212911f50bdcdd0564b5999a559010d4
Analyze and fix the following issue in the Linux kernel code: power: supply: bq24190: Fix use after free bug in bq24190_remove due to race condition
Problem Details: In bq24190_probe, &bdi->input_current_limit_work is bound with bq24190_input_current_limit_work. When external power changed, it will call bq24190_charger_external_power_changed to start the work. If we remove the module which will call bq24190_remove to make cleanup, there may be a unfinished work. ...
```diff diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/bq24190_charger.c index be34b9848450..de67b985f0a9 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -1906,6 +1906,7 @@ static void bq24190_remove(struct i2c_client *client) struct bq24...