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ddcd91f4cb42fcc833b0a5e00d4e9f034da95249
Analyze and fix the following issue in the Linux kernel code: mailmap: update manpage link
Problem Details: Patch series "Update .mailmap for my work address and fix manpage". While updating mailmap for the going-away address, I also found that on current systems the manpage linked from the header comment changed. And in fact it looks like the git mailmap feature got its own manpage. This patch (of 2): ...
```diff diff --git a/.mailmap b/.mailmap index 113126433121..e30928b8d23e 100644 --- a/.mailmap +++ b/.mailmap @@ -5,7 +5,8 @@ # same person appearing not to be so or badly displayed. Also allows for # old email addresses to map to new email addresses. # -# For format details, see "MAPPING AUTHORS" in "man git-short...
028725e73375a1ff080bbdf9fb503306d0116f28
Analyze and fix the following issue in the Linux kernel code: bootmem: remove the vmemmap pages from kmemleak in free_bootmem_page
Problem Details: commit dd0ff4d12dd2 ("bootmem: remove the vmemmap pages from kmemleak in put_page_bootmem") fix an overlaps existing problem of kmemleak. But the problem still existed when HAVE_BOOTMEM_INFO_NODE is disabled, because in this case, free_bootmem_page() will call free_reserved_page() directly. Fix the p...
```diff diff --git a/include/linux/bootmem_info.h b/include/linux/bootmem_info.h index cc35d010fa94..e1a3c9c9754c 100644 --- a/include/linux/bootmem_info.h +++ b/include/linux/bootmem_info.h @@ -3,6 +3,7 @@ #define __LINUX_BOOTMEM_INFO_H #include <linux/mm.h> +#include <linux/kmemleak.h> /* * Types for free bo...
8344a3d44be3d18671e18c4ba23bb03dd21e14ad
Analyze and fix the following issue in the Linux kernel code: writeback: account the number of pages written back
Problem Details: nr_to_write is a count of pages, so we need to decrease it by the number of pages in the folio we just wrote, not by 1. Most callers specify either LONG_MAX or 1, so are unaffected, but writeback_sb_inodes() might end up writing 512x as many pages as it asked for. Dave added: : XFS is the only files...
```diff diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 1d17fb1ec863..d3f42009bb70 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -2434,6 +2434,7 @@ int write_cache_pages(struct address_space *mapping, for (i = 0; i < nr_folios; i++) { struct folio *folio = fbatch.folios[i]; + uns...
6dca4ac6fc91fd41ea4d6c4511838d37f4e0eab2
Analyze and fix the following issue in the Linux kernel code: mm: call arch_swap_restore() from do_swap_page()
Problem Details: Commit c145e0b47c77 ("mm: streamline COW logic in do_swap_page()") moved the call to swap_free() before the call to set_pte_at(), which meant that the MTE tags could end up being freed before set_pte_at() had a chance to restore them. Fix it by adding a call to the arch_swap_restore() hook before the ...
```diff diff --git a/mm/memory.c b/mm/memory.c index 0ae594703021..01f39e8144ef 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3950,6 +3950,13 @@ vm_fault_t do_swap_page(struct vm_fault *vmf) } } + /* + * Some architectures may have to restore extra metadata to the page + * when reading from swap. This metadat...
08bab74ae653b57bb2bfcec7d499bfe7ff0efe4f
Analyze and fix the following issue in the Linux kernel code: squashfs: fix cache race with migration
Problem Details: Migration replaces the page in the mapping before copying the contents and the flags over from the old page, so check that the page in the page cache is really up to date before using it. Without this, stressing squashfs reads with parallel compaction sometimes results in squashfs reporting data corru...
```diff diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c index 6aa9c2e1e8eb..581ce9519339 100644 --- a/fs/squashfs/block.c +++ b/fs/squashfs/block.c @@ -166,6 +166,26 @@ static int squashfs_bio_read_cached(struct bio *fullbio, return 0; } +static struct page *squashfs_get_cache_page(struct address_space *map...
191fcdb6c9cf8b738b1628cbcf3af63d545c825c
Analyze and fix the following issue in the Linux kernel code: mm/hugetlb.c: fix a bug within a BUG(): inconsistent pte comparison
Problem Details: The following crash happens for me when running the -mm selftests (below). Specifically, it happens while running the uffd-stress subtests: kernel BUG at mm/hugetlb.c:7249! invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 0 PID: 3238 Comm: uffd-stress Not tainted 6.4.0-hubbard-github+ #109 Hardware na...
```diff diff --git a/mm/hugetlb.c b/mm/hugetlb.c index bce28cca73a1..64a3239b6407 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -7246,7 +7246,12 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, pte = (pte_t *)pmd_alloc(mm, pud, addr); } } - BUG_ON(pte && pte_present(ptep_get(pte)) ...
f96c48670319d685d18d50819ed0c1ef751ed2ac
Analyze and fix the following issue in the Linux kernel code: mm: disable CONFIG_PER_VMA_LOCK until its fixed
Problem Details: A memory corruption was reported in [1] with bisection pointing to the patch [2] enabling per-VMA locks for x86. Disable per-VMA locks config to prevent this issue until the fix is confirmed. This is expected to be a temporary measure. [1] https://bugzilla.kernel.org/show_bug.cgi?id=217624 [2] https...
```diff diff --git a/mm/Kconfig b/mm/Kconfig index 09130434e30d..0abc6c71dd89 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -1224,8 +1224,9 @@ config ARCH_SUPPORTS_PER_VMA_LOCK def_bool n config PER_VMA_LOCK - def_bool y + bool "Enable per-vma locking during page fault handling." depends on ARCH_SUPPORTS_PER...
2b4f3b4987b56365b981f44a7e843efa5b6619b9
Analyze and fix the following issue in the Linux kernel code: fork: lock VMAs of the parent process when forking
Problem Details: Patch series "Avoid memory corruption caused by per-VMA locks", v4. A memory corruption was reported in [1] with bisection pointing to the patch [2] enabling per-VMA locks for x86. Based on the reproducer provided in [1] we suspect this is caused by the lack of VMA locking while forking a child proce...
```diff diff --git a/kernel/fork.c b/kernel/fork.c index b85814e614a5..2ba918f83bde 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -658,6 +658,12 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm, retval = -EINTR; goto fail_uprobe_end; } +#ifdef CONFIG_PER_VMA_LOCK + /* Disallow any page faults be...
48063dfa4fbb4b5aac3d8aacbf1fd1170b51c5fa
Analyze and fix the following issue in the Linux kernel code: ntb.rst: Fix copy and paste error
Problem Details: It seems the text for the NTB MSI Test Client section was copied from the NTB Tool Test Client, but was not updated for the new section. Corrects the NTB MSI Test Client section text. Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Geof...
```diff diff --git a/Documentation/driver-api/ntb.rst b/Documentation/driver-api/ntb.rst index 11577c2105c5..e991d92b8b1d 100644 --- a/Documentation/driver-api/ntb.rst +++ b/Documentation/driver-api/ntb.rst @@ -207,9 +207,9 @@ The MSI test client serves to test and debug the MSI library which allows for passing MSI in...
ce946519f95fe8f74ee1dba25512a33895520f41
Analyze and fix the following issue in the Linux kernel code: ntb_netdev: Fix module_init problem
Problem Details: With both the ntb_transport_init and the ntb_netdev_init_module routines in the module_init init group, the ntb_netdev_init_module routine can be called before the ntb_transport_init routine that it depends on is called. To assure the proper initialization order put ntb_netdev_init_module in the late_...
```diff diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index 85dbe7f73e31..536bd6564f8b 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -493,7 +493,7 @@ static int __init ntb_netdev_init_module(void) return 0; } -module_init(ntb_netdev_init_module); +late_initcall(ntb_netd...
956578e3d397e00d6254dc7b5194d28587f98518
Analyze and fix the following issue in the Linux kernel code: NTB: EPF: fix possible memory leak in pci_vntb_probe()
Problem Details: As ntb_register_device() don't handle error of device_register(), if ntb_register_device() returns error in pci_vntb_probe(), name of kobject which is allocated in dev_set_name() called in device_add() is leaked. As comment of device_add() says, it should call put_device() to drop the reference count ...
```diff diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c index b7c7a8af99f4..77306983ac45 100644 --- a/drivers/pci/endpoint/functions/pci-epf-vntb.c +++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c @@ -1285,6 +1285,7 @@ static int pci_vntb_probe(struct pci_de...
2790143f09938776a3b4f69685b380bae8fd06c7
Analyze and fix the following issue in the Linux kernel code: NTB: ntb_tool: Add check for devm_kcalloc
Problem Details: As the devm_kcalloc may return NULL pointer, it should be better to add check for the return value, as same as the others. Fixes: 7f46c8b3a552 ("NTB: ntb_tool: Add full multi-port NTB API support") Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn> Reviewed-by: Serge Semin <fancer.lancer@gmail.com> ...
```diff diff --git a/drivers/ntb/test/ntb_tool.c b/drivers/ntb/test/ntb_tool.c index 5ee0afa621a9..eeeb4b1c97d2 100644 --- a/drivers/ntb/test/ntb_tool.c +++ b/drivers/ntb/test/ntb_tool.c @@ -998,6 +998,8 @@ static int tool_init_mws(struct tool_ctx *tc) tc->peers[pidx].outmws = devm_kcalloc(&tc->ntb->dev, tc->pee...
8623ccbfc55d962e19a3537652803676ad7acb90
Analyze and fix the following issue in the Linux kernel code: NTB: ntb_transport: fix possible memory leak while device_register() fails
Problem Details: If device_register() returns error, the name allocated by dev_set_name() need be freed. As comment of device_register() says, it should use put_device() to give up the reference in the error path. So fix this by calling put_device(), then the name can be freed in kobject_cleanup(), and client_dev is fr...
```diff diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index a9b97ebc71ac..2abd2235bbca 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -410,7 +410,7 @@ int ntb_transport_register_client_dev(char *device_name) rc = device_register(dev); if (rc) { - kfree(c...
4c3c796aca02883ad35bb117468938cc4022ca41
Analyze and fix the following issue in the Linux kernel code: ntb: intel: Fix error handling in intel_ntb_pci_driver_init()
Problem Details: A problem about ntb_hw_intel create debugfs failed is triggered with the following log given: [ 273.112733] Intel(R) PCI-E Non-Transparent Bridge Driver 2.0 [ 273.115342] debugfs: Directory 'ntb_hw_intel' with parent '/' already present! The reason is that intel_ntb_pci_driver_init() returns pci_...
```diff diff --git a/drivers/ntb/hw/intel/ntb_hw_gen1.c b/drivers/ntb/hw/intel/ntb_hw_gen1.c index 84772013812b..60a4ebc7bf35 100644 --- a/drivers/ntb/hw/intel/ntb_hw_gen1.c +++ b/drivers/ntb/hw/intel/ntb_hw_gen1.c @@ -2064,12 +2064,17 @@ static struct pci_driver intel_ntb_pci_driver = { static int __init intel_ntb_...
98af0a33c1101c29b3ce4f0cf4715fd927c717f9
Analyze and fix the following issue in the Linux kernel code: NTB: amd: Fix error handling in amd_ntb_pci_driver_init()
Problem Details: A problem about ntb_hw_amd create debugfs failed is triggered with the following log given: [ 618.431232] AMD(R) PCI-E Non-Transparent Bridge Driver 1.0 [ 618.433284] debugfs: Directory 'ntb_hw_amd' with parent '/' already present! The reason is that amd_ntb_pci_driver_init() returns pci_register...
```diff diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index 04550b1f984c..730f2103b91d 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.c +++ b/drivers/ntb/hw/amd/ntb_hw_amd.c @@ -1338,12 +1338,17 @@ static struct pci_driver amd_ntb_pci_driver = { static int __init amd_ntb_pci_driver_init(...
c012968259b451dc4db407f2310fe131eaefd800
Analyze and fix the following issue in the Linux kernel code: ntb: idt: Fix error handling in idt_pci_driver_init()
Problem Details: A problem about ntb_hw_idt create debugfs failed is triggered with the following log given: [ 1236.637636] IDT PCI-E Non-Transparent Bridge Driver 2.0 [ 1236.639292] debugfs: Directory 'ntb_hw_idt' with parent '/' already present! The reason is that idt_pci_driver_init() returns pci_register_driver...
```diff diff --git a/drivers/ntb/hw/idt/ntb_hw_idt.c b/drivers/ntb/hw/idt/ntb_hw_idt.c index 0ed6f809ff2e..51799fccf840 100644 --- a/drivers/ntb/hw/idt/ntb_hw_idt.c +++ b/drivers/ntb/hw/idt/ntb_hw_idt.c @@ -2891,6 +2891,7 @@ static struct pci_driver idt_pci_driver = { static int __init idt_pci_driver_init(void) { +...
51d03e2f2203e76ed02d33fb5ffbb5fc85ffaf54
Analyze and fix the following issue in the Linux kernel code: udp6: fix udp6_ehashfn() typo
Problem Details: Amit Klein reported that udp6_ehash_secret was initialized but never used. Fixes: 1bbdceef1e53 ("inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once") Reported-by: Amit Klein <aksecurity@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Willy Tarreau <w@1wt.eu> C...
```diff diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 630d61a32c1d..b7c972aa09a7 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -91,7 +91,7 @@ static u32 udp6_ehashfn(const struct net *net, fhash = __ipv6_addr_jhash(faddr, udp_ipv6_hash_secret); return __inet6_ehashfn(lhash, lport, fhash, fport, - ...
0b7ec177b589842c0abf9e91459c83ba28d32452
Analyze and fix the following issue in the Linux kernel code: crypto: algif_hash - Fix race between MORE and non-MORE sends
Problem Details: The 'MSG_MORE' state of the previous sendmsg() is fetched without the socket lock held, so two sendmsg calls can race. This can be seen with a large sendfile() as that now does a series of sendmsg() calls, and if a write() comes in on the same socket at an inopportune time, it can flip the state. Fix...
```diff diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 0ab43e149f0e..82c44d4899b9 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -68,13 +68,15 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg, struct hash_ctx *ctx = ask->private; ssize_t copied = 0; size_t len, max_p...
2aaa8a15de73874847d62eb595c6683bface80fd
Analyze and fix the following issue in the Linux kernel code: icmp6: Fix null-ptr-deref of ip6_null_entry->rt6i_idev in icmp6_dev().
Problem Details: With some IPv6 Ext Hdr (RPL, SRv6, etc.), we can send a packet that has the link-local address as src and dst IP and will be forwarded to an external IP in the IPv6 Ext Hdr. For example, the script below generates a packet whose src IP is the link-local address and dst is updated to 11::. # for f i...
```diff diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index 9edf1f45b1ed..65fa5014bc85 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -424,7 +424,10 @@ static struct net_device *icmp6_dev(const struct sk_buff *skb) if (unlikely(dev->ifindex == LOOPBACK_IFINDEX || netif_is_l3_master(skb->dev))) { const stru...
266deeea34ffd28c6b6a63edf2af9b5a07161c24
Analyze and fix the following issue in the Linux kernel code: s390/ism: Do not unregister clients with registered DMBs
Problem Details: When ism_unregister_client() is called but the client still has DMBs registered it returns -EBUSY and prints an error. This only happens after the client has already been unregistered however. This is unexpected as the unregister claims to have failed. Furthermore as this implies a client bug a WARN() ...
```diff diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index 54091b7aea16..6df7f377d2f9 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -96,29 +96,32 @@ int ism_unregister_client(struct ism_client *client) int rc = 0; mutex_lock(&ism_dev_list.mutex); - mutex_lock(...
76631ffa2fd2d45bae5ad717eef716b94144e0e7
Analyze and fix the following issue in the Linux kernel code: s390/ism: Fix and simplify add()/remove() callback handling
Problem Details: Previously the clients_lock was protecting the clients array against concurrent addition/removal of clients but was also accessed from IRQ context. This meant that it had to be a spinlock and that the add() and remove() callbacks in which clients need to do allocation and take mutexes can't be called u...
```diff diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index b664e4a08645..54091b7aea16 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -36,7 +36,7 @@ static const struct smcd_ops ism_ops; static struct ism_client *clients[MAX_CLIENTS]; /* use an array rather than */ ...
6b5c13b591d753c6022fbd12f8c0c0a9a07fc065
Analyze and fix the following issue in the Linux kernel code: s390/ism: Fix locking for forwarding of IRQs and events to clients
Problem Details: The clients array references all registered clients and is protected by the clients_lock. Besides its use as general list of clients the clients array is accessed in ism_handle_irq() to forward ISM device events to clients. While the clients_lock is taken in the IRQ handler when calling handle_event()...
```diff diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index 9b5fccdbc7d6..b664e4a08645 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -47,6 +47,15 @@ static struct ism_dev_list ism_dev_list = { .mutex = __MUTEX_INITIALIZER(ism_dev_list.mutex), }; +static void ism...
c329b261afe71197d9da83c1f18eb45a7e97e089
Analyze and fix the following issue in the Linux kernel code: net: prevent skb corruption on frag list segmentation
Problem Details: Ian reported several skb corruptions triggered by rx-gro-list, collecting different oops alike: [ 62.624003] BUG: kernel NULL pointer dereference, address: 00000000000000c0 [ 62.631083] #PF: supervisor read access in kernel mode [ 62.636312] #PF: error_code(0x0000) - not-present page [ 62.6415...
```diff diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 6c5915efbc17..a298992060e6 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -4261,6 +4261,11 @@ struct sk_buff *skb_segment_list(struct sk_buff *skb, skb_push(skb, -skb_network_offset(skb) + offset); + /* Ensure the head is writeable before...
e7731194fdf085f46d58b1adccfddbd0dfee4873
Analyze and fix the following issue in the Linux kernel code: net: bgmac: postpone turning IRQs off to avoid SoC hangs
Problem Details: Turning IRQs off is done by accessing Ethernet controller registers. That can't be done until device's clock is enabled. It results in a SoC hang otherwise. This bug remained unnoticed for years as most bootloaders keep all Ethernet interfaces turned on. It seems to only affect a niche SoC family BCM4...
```diff diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c index 1761df8fb7f9..10c7c232cc4e 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -1492,8 +1492,6 @@ int bgmac_enet_probe(struct bgmac *bgmac) bgmac->in_init = true; ...
ed04a91f718e6e1ab82d47a22b26e4b50c1666f6
Analyze and fix the following issue in the Linux kernel code: xfs: fix uninit warning in xfs_growfs_data
Problem Details: Quiet down this gcc warning: fs/xfs/xfs_fsops.c: In function ‘xfs_growfs_data’: fs/xfs/xfs_fsops.c:219:21: error: ‘lastag_extended’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 219 | if (lastag_extended) { | ^~~~~~~~~~~~~~~ fs/xfs...
```diff diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index 839ca9a8d064..a19ee4858403 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -93,7 +93,7 @@ xfs_growfs_data_private( xfs_agnumber_t nagimax = 0; xfs_rfsblock_t nb, nb_div, nb_mod; int64_t delta; - bool lastag_extended; + bool las...
05e6329443734a2a0aefb845d74375081d6626b6
Analyze and fix the following issue in the Linux kernel code: Input: xpad - fix support for some third-party controllers
Problem Details: Some third-party controllers, such as the HORPIAD FPS for Nintendo Switch and Gamesir-G3w, require a specific packet that the first-party XInput driver sends before it will start sending reports. It's not currently known what this packet does, but since the first-party driver always sends it's unlikely...
```diff diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 5d6a25b42bf9..745047215e42 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -264,6 +264,7 @@ static const struct xpad_device { { 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE }, { 0x0f0d, 0x00...
40b1588a750240cbe8a83117aa785d778749a77c
Analyze and fix the following issue in the Linux kernel code: drm/i915/perf: Consider OA buffer boundary when zeroing out reports
Problem Details: For reports that are not powers of 2, reports at the end of the OA buffer may get split across the buffer boundary. When zeroing out such reports, take the split into consideration. v2: Use OA_BUFFER_SIZE (Ashutosh) Fixes: 09a36015d9a0 ("drm/i915/perf: Clear out entire reports after reading if not po...
```diff diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 0a111b281578..7413c11fb562 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -868,8 +868,17 @@ static int gen8_append_oa_reports(struct i915_perf_stream *stream, oa_report_id_clear(st...
09c8cbedba5fa85f15ac91ed74848aceff69f8e5
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Do not set drr on pipe commit
Problem Details: [WHY] Writing to DRR registers such as OTG_V_TOTAL_MIN on the same frame as a pipe commit can cause underflow. [HOW] Move DMUB p-state delegate into optimze_bandwidth; enabling FAMS sets optimized_required. This change expects that Freesync requests are blocked when optimized_required is true. Fixes...
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c index 4492bc2392b6..dba7eab9a2c4 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c @@ -2123,6 +2123,12 @@ void dcn20_optimiz...
08e852157616ed75ce32bb75080b6e7eef13c62d
Analyze and fix the following issue in the Linux kernel code: drm/amdgpu: Fix error & warnings in gmc_v9_0.c
Problem Details: Fix below checkpatch error & warnings: ERROR: that open brace { should be on the previous line WARNING: static const char * array should probably be static const char * const WARNING: Block comments use * on subsequent lines WARNING: Block comments use a trailing */ on a separate line Cc: Christian ...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index ebdbc823fae3..3f4fa94875bc 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -81,7 +81,7 @@ #define MAX_MEM_RANGES 8 -static const char *gfxhub_client_ids[] = { +...
8c45b31909b730f9c7b146588e038f9c6553394d
Analyze and fix the following issue in the Linux kernel code: drm/amdkfd: Skip handle mapping SVM range with no GPU access
Problem Details: If the SVM range has no GPU access nor access-in-place attribute, validate and map to GPU should skip the range. Add NULL pointer check if find_first_bit(ctx->bitmap, MAX_GPU_INSTANCE) returns MAX_GPU_INSTANCE as gpuidx if ctx->bitmap is empty. Signed-off-by: Philip Yang <Philip.Yang@amd.com> Reviewe...
```diff diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 5ff1a5a89d96..479c4f66afa7 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1522,6 +1522,8 @@ static void *kfd_svm_page_owner(struct kfd_process *p, int32_t gpuidx) st...
788dbb6b41c596d925d238c6acbb1cec611b353d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Clean up warnings in amdgpu_dm _mst_types, _plane, _psr.c
Problem Details: Fix the following warnings reported by checkpatch: WARNING: Missing a blank line after declarations WARNING: Prefer 'unsigned int' to bare use of 'unsigned' Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Cc: Aurabindo Pillai <aurabindo.pillai@amd.com> Signed-off-by: Srinivasan Shanmugam <srinivasan....
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 46d0a8f57e55..95eefa6b4f2f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -2...
d228419ffb78e572171a549a4ab994d84ec34dc8
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Remove unnecessary casts in amdgpu_dm_helpers.c
Problem Details: Fixes the following category of checkpatch complaints: WARNING: unnecessary cast may hide bugs, see http://c-faq.com/malloc/mallocnocast.html + char *buf = (char *)kvcalloc(total, sizeof(char), GFP_KERNEL); Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Cc: Aurabindo Pillai <aurabindo....
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index d9a482908380..c13b70629be6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -426,7 +42...
7c62129b415adbab283e5bddc619a749d7fe3163
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Clean up warnings in amdgpu_dm_pp_smu.c
Problem Details: Fixes the following category of checkpatch warning: WARNING: Block comments use a trailing */ on a separate line + * non-boosted one. */ WARNING: suspect code indent for conditional statements (8, 24) + if ((adev->asic_type >= CHIP_POLARIS10) && [...] + ...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c index 75284e2cec74..848c5b4bb301 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_pp_smu.c @@ -334,7 +334,8 ...
1cc506f08b4c4688c729e48d7c665910ed330724
Analyze and fix the following issue in the Linux kernel code: drm/amd: Make flashing messages quieter
Problem Details: Debug messages related to the kernel process of flashing an updated IFWI are needlessly noisy and also confusing. Downgrade them to debug instead and clarify what they are actually doing. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index 8753e1376e47..7fe7342493ef 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -3624,7 +3624,7 @@ static ssize_t amdgpu_psp_vbflash_write(struct file *filp, stru...
521289d2a279b2fbea0450d5e8e6a01cf70a80b3
Analyze and fix the following issue in the Linux kernel code: drm/amd: Use attribute groups for PSP flashing attributes
Problem Details: Individually creating attributes can be racy, instead make attributes using attribute groups and control their visibility with an is_visible callback to only show when using appropriate products. v2: squash in fix for PSP 13.0.10 Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-b...
```diff diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 2f9c14aca73c..41b3f20729bc 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -1034,7 +1034,6 @@ struct amdgpu_device { bool has_pr3; bool ...
3e6a9329e67de86e5357125d5aad987bdd1fdb7c
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: fix comment typo
Problem Details: Spell "transmission" properly. Found by searching for keyword "tranm". Signed-off-by: Yueh-Shun Li <shamrocklee@posteo.net> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
```diff diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c index 0278bae50a9d..45143459eedd 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hpo_dp_stream_encoder.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_h...
88c4d4e992dc3a422aea229c551f1dd4611b6e1d
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Use seq_puts() in 'amdgpu_current_colorspace_show()' & 'edp_ilr_show()'
Problem Details: Replace seq_printf with seq_puts when there is no argument list. Fix the checkpatch warning: WARNING: Prefer seq_puts to seq_printf Cc: Wayne Lin <Wayne.Lin@amd.com> Cc: Harry Wentland <harry.wentland@amd.com> Cc: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com> Cc: Aurabindo Pillai <aurabindo.pillai@amd....
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c index d63ee636483b..7c21e21bcc51 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c @@ -1075,24 +...
2d0b69fc712c07f9dcd2c551d73615730bd1532e
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Clean up style problems in amdgpu_dm_irq.c
Problem Details: Fix the following warnings reported by checkpatch: WARNING: Block comments use a trailing */ on a separate line WARNING: Comparisons should place the constant on the right side of the test WARNING: space prohibited between function name and open parenthesis '(' WARNING: Prefer 'unsigned int' to bare u...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c index 19f543ba7205..51467f132c26 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c @@ -120,7 +120,8 @@ static vo...
c82eddf8127673e4292761ec303f5116ed07565f
Analyze and fix the following issue in the Linux kernel code: drm/amd/display: Clean up errors & warnings in amdgpu_dm.c
Problem Details: Fix the following errors & warnings reported by checkpatch: ERROR: space required before the open brace '{' ERROR: space required before the open parenthesis '(' ERROR: that open brace { should be on the previous line ERROR: space prohibited before that ',' (ctx:WxW) ERROR: else should follow close br...
```diff diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index ff0a217b9d56..4bfd7c8bbb0f 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -424,12 +424,12 @@ static void dm_pflip_hi...
b1472a60a584694875a05cf8bcba8bdf0dc1cd3a
Analyze and fix the following issue in the Linux kernel code: x86/smp: Don't send INIT to boot CPU
Problem Details: Parking CPUs in INIT works well, except for the crash case when the CPU which invokes smp_park_other_cpus_in_init() is not the boot CPU. Sending INIT to the boot CPU resets the whole machine. Prevent this by validating that this runs on the boot CPU. If not fall back and let CPUs hang in HLT. Fixes: ...
```diff diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 4ee43396b910..7417d9b55b21 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1473,6 +1473,14 @@ bool smp_park_other_cpus_in_init(void) if (apic->wakeup_secondary_cpu_64 || apic->wakeup_secondary_cpu) return fa...
3a6dbb691782e88e07e5c70b327495dbd58a2e7f
Analyze and fix the following issue in the Linux kernel code: MIPS: kvm: Fix build error with KVM_MIPS_DEBUG_COP0_COUNTERS enabled
Problem Details: Commit e4de20576986 ("MIPS: KVM: Fix NULL pointer dereference") missed converting one place accessing cop0 registers, which results in a build error, if KVM_MIPS_DEBUG_COP0_COUNTERS is enabled. Fixes: e4de20576986 ("MIPS: KVM: Fix NULL pointer dereference") Signed-off-by: Thomas Bogendoerfer <tsbogend...
```diff diff --git a/arch/mips/kvm/stats.c b/arch/mips/kvm/stats.c index 53f851a61554..3e6682018fbe 100644 --- a/arch/mips/kvm/stats.c +++ b/arch/mips/kvm/stats.c @@ -54,9 +54,9 @@ void kvm_mips_dump_stats(struct kvm_vcpu *vcpu) kvm_info("\nKVM VCPU[%d] COP0 Access Profile:\n", vcpu->vcpu_id); for (i = 0; i < N_MIP...
8139dccd464aaee4a2c351506ff883733c6ca5a3
Analyze and fix the following issue in the Linux kernel code: udp6: add a missing call into udp_fail_queue_rcv_skb tracepoint
Problem Details: The tracepoint has existed for 12 years, but it only covered udp over the legacy IPv4 protocol. Having it enabled for udp6 removes the unnecessary difference in error visibility. Signed-off-by: Ivan Babrou <ivan@cloudflare.com> Fixes: 296f7ea75b45 ("udp: add tracepoints for queueing skb to rcvbuf") Ac...
```diff diff --git a/net/core/net-traces.c b/net/core/net-traces.c index 805b7385dd8d..6aef976bc1da 100644 --- a/net/core/net-traces.c +++ b/net/core/net-traces.c @@ -63,4 +63,6 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(napi_poll); EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_send_reset); EXPORT_TRACEPOINT_SYMBOL_GPL(tcp_bad_csum); +EXP...
3a7af34fb6ecd9fbeb4454fc03c654b26fab5f5e
Analyze and fix the following issue in the Linux kernel code: ionic: remove dead device fail path
Problem Details: Remove the probe error path code that leaves the driver bound to the device, but with essentially a dead device. This was useful maybe twice early in the driver's life and no longer makes sense to keep. Fixes: 30a1e6d0f8e2 ("ionic: keep ionic dev on lif init fail") Signed-off-by: Shannon Nelson <shan...
```diff diff --git a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c index b8678da1cce5..ab7d217b98b3 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_bus_pci.c @@ -353,12 +353,6 @@ err_out_reset: ...
abfb2a58a5377ebab717d4362d6180f901b6e5c1
Analyze and fix the following issue in the Linux kernel code: ionic: remove WARN_ON to prevent panic_on_warn
Problem Details: Remove unnecessary early code development check and the WARN_ON that it uses. The irq alloc and free paths have long been cleaned up and this check shouldn't have stuck around so long. Fixes: 77ceb68e29cc ("ionic: Add notifyq support") Signed-off-by: Nitya Sunkad <nitya.sunkad@amd.com> Signed-off-by:...
```diff diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index 7c20a44e549b..612b0015dc43 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -475,11 +475,6 @@ static void ionic_qcqs_free(stru...
7709fbd4922c197efabda03660d93e48a3e80323
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Move validation of ptp pointer before its usage
Problem Details: Moved PTP pointer validation before its use to avoid smatch warning. Also used kzalloc/kfree instead of devm_kzalloc/devm_kfree. Fixes: 2ef4e45d99b1 ("octeontx2-af: Add PTP PPS Errata workaround on CN10K silicon") Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com> Signed-off-by: Sunil Goutham <...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c index 3411e2e47d46..0ee420a489fc 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/ptp.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/ptp.c @@ -208,7 +208,7 @@ struct ptp *ptp_get(void) /* Ch...
af42088bdaf292060b8d8a00d8644ca7b2b3f2d1
Analyze and fix the following issue in the Linux kernel code: octeontx2-af: Promisc enable/disable through mbox
Problem Details: In legacy silicon, promiscuous mode is only modified through CGX mbox messages. In CN10KB silicon, it is modified from CGX mbox and NIX. This breaks legacy application behaviour. Fix this by removing call from NIX. Fixes: d6c9784baf59 ("octeontx2-af: Invoke exact match functions if supported") Signed-...
```diff diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index 0d745ae1cc9a..04b0e885f9d2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -4069,21 +4069,14 @@ int rvu_mbox_...
15008052b34efaa86c1d56190ac73c4bf8c462f9
Analyze and fix the following issue in the Linux kernel code: drm/fbdev-dma: Fix documented default preferred_bpp value
Problem Details: As of commit 6c80a93be62d398e ("drm/fb-helper: Initialize fb-helper's preferred BPP in prepare function"), the preferred_bpp parameter of drm_fb_helper_prepare() defaults to 32 instead of drm_mode_config.preferred_depth. Hence this also applies to drm_fbdev_dma_setup(), which just passes its own prefe...
```diff diff --git a/drivers/gpu/drm/drm_fbdev_dma.c b/drivers/gpu/drm/drm_fbdev_dma.c index 728deffcc0d9..e85cdf69cd6c 100644 --- a/drivers/gpu/drm/drm_fbdev_dma.c +++ b/drivers/gpu/drm/drm_fbdev_dma.c @@ -218,7 +218,7 @@ static const struct drm_client_funcs drm_fbdev_dma_client_funcs = { * drm_fbdev_dma_setup() - S...
f9d918cfd5c5d3171c65bdfc9a59469f44a976d7
Analyze and fix the following issue in the Linux kernel code: accel/ivpu: Print firmware name and version
Problem Details: Firmware file name and version are very important for debugging customer issues - print them as INFO level message instead of DEBUG message that is turned off by default. Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com> Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.inte...
```diff diff --git a/drivers/accel/ivpu/ivpu_fw.c b/drivers/accel/ivpu/ivpu_fw.c index 3599bb8706eb..317716482a15 100644 --- a/drivers/accel/ivpu/ivpu_fw.c +++ b/drivers/accel/ivpu/ivpu_fw.c @@ -52,13 +52,19 @@ static int ivpu_fw_request(struct ivpu_device *vdev) int ret = -ENOENT; int i; - if (ivpu_firmware) - ...
9e9311e04e63ede92be98425efd843f9836336bd
Analyze and fix the following issue in the Linux kernel code: KEYS: asymmetric: Fix error codes
Problem Details: These error paths should return the appropriate error codes instead of returning success. Fixes: 63ba4d67594a ("KEYS: asymmetric: Use new crypto interface without scatterlists") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
```diff diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c index e787598cb3f7..773e159dbbcb 100644 --- a/crypto/asymmetric_keys/public_key.c +++ b/crypto/asymmetric_keys/public_key.c @@ -185,8 +185,10 @@ static int software_key_query(const struct kernel_pkey_params *params, if (i...
0503efeadbf6bb8bf24397613a73b67e665eac5f
Analyze and fix the following issue in the Linux kernel code: gve: Set default duplex configuration to full
Problem Details: Current duplex mode was unset in the driver, resulting in the default parameter being set to 0, which corresponds to half duplex. It might mislead users to have incorrect expectation about the driver's transmission capabilities. Set the default duplex configuration to full, as the driver runs in full d...
```diff diff --git a/drivers/net/ethernet/google/gve/gve_ethtool.c b/drivers/net/ethernet/google/gve/gve_ethtool.c index cfd4b8d284d1..50162ec9424d 100644 --- a/drivers/net/ethernet/google/gve/gve_ethtool.c +++ b/drivers/net/ethernet/google/gve/gve_ethtool.c @@ -590,6 +590,9 @@ static int gve_get_link_ksettings(struct ...
0323bce598eea038714f941ce2b22541c46d488f
Analyze and fix the following issue in the Linux kernel code: net/sched: cls_fw: Fix improper refcount update leads to use-after-free
Problem Details: In the event of a failure in tcf_change_indev(), fw_set_parms() will immediately return an error after incrementing or decrementing reference counter in tcf_bind_filter(). If attacker can control reference counter to zero and make reference freed, leading to use after free. In order to prevent this, ...
```diff diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c index ae9439a6c56c..8641f8059317 100644 --- a/net/sched/cls_fw.c +++ b/net/sched/cls_fw.c @@ -212,11 +212,6 @@ static int fw_set_parms(struct net *net, struct tcf_proto *tp, if (err < 0) return err; - if (tb[TCA_FW_CLASSID]) { - f->res.classid = nla_g...
525c469e5de9bf7e53574396196e80fc716ac9eb
Analyze and fix the following issue in the Linux kernel code: wifi: mt76: mt7921e: fix init command fail with enabled device
Problem Details: For some cases as below, we may encounter the unpreditable chip stats in driver probe() * The system reboot flow do not work properly, such as kernel oops while rebooting, and then the driver do not go back to default status at this moment. * Similar to the flow above. If the device was enabled in ...
```diff diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c index f0a80c2b476a..4153cd6c2a01 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/dma.c @@ -231,10 +231,6 @@ int mt7921_dma_init(struct mt792...
c6efb4ae387c79bf0d4da286108c810b7b40de3c
Analyze and fix the following issue in the Linux kernel code: net: mscc: ocelot: fix oversize frame dropping for preemptible TCs
Problem Details: This switch implements Hold/Release in a strange way, with no control from the user as required by IEEE 802.1Q-2018 through Set-And-Hold-MAC and Set-And-Release-MAC, but rather, it emits HOLD requests implicitly based on the schedule. Namely, when the gate of a preemptible TC is about to close (actual...
```diff diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c index d7caadd13f83..1c113957fcf4 100644 --- a/drivers/net/dsa/ocelot/felix_vsc9959.c +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c @@ -1209,11 +1209,13 @@ static u32 vsc9959_tas_tc_max_sdu(struct tc_taprio_qopt_offload *...
a8c94b3964c59408f531ce819f13f0209695db7f
Analyze and fix the following issue in the Linux kernel code: drm/i915/guc: Dump perf_limit_reasons for debug
Problem Details: GuC load takes longer sometimes due to GT frequency not ramping up. Add perf_limit_reasons to the existing warn print to see if frequency is being throttled. v2: Review comments (Ashutosh) Signed-off-by: Vinay Belgaumkar <vinay.belgaumkar@intel.com> Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.c...
```diff diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c index 364d0d546ec8..0f79cb658518 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_fw.c @@ -251,9 +251,11 @@ static int guc_wait_ucode(struct intel_guc *guc) if (...
6537ed3904a3b3720e5e238dd5d542448fcf94c2
Analyze and fix the following issue in the Linux kernel code: i2c: mpc: Drop unused variable
Problem Details: Fix the following build error. Error log: drivers/i2c/busses/i2c-mpc.c: In function 'mpc_i2c_setup_512x': drivers/i2c/busses/i2c-mpc.c:310:20: error: unused variable 'pval' Fixes: 9d178e00583e ("i2c: mpc: Use of_property_read_reg() to parse "reg"") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Si...
```diff diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index fb1b640f33b7..f460a7fb4eae 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -307,7 +307,6 @@ static void mpc_i2c_setup_512x(struct device_node *node, { struct device_node *node_ctrl; void __iomem *...
05f933d5f7318b03ff2028c1704dc867ac16f2c7
Analyze and fix the following issue in the Linux kernel code: i2c: nomadik: Remove a useless call in the remove function
Problem Details: Since commit 235602146ec9 ("i2c-nomadik: turn the platform driver to an amba driver"), there is no more request_mem_region() call in this driver. So remove the release_mem_region() call from the remove function which is likely a left over. Fixes: 235602146ec9 ("i2c-nomadik: turn the platform driver t...
```diff diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 1e5fd23ef45c..212f412f1c74 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -1038,7 +1038,6 @@ static int nmk_i2c_probe(struct amba_device *adev, const struct amba_id *id) static void...
cb6e45c9a0ad9e0f8664fd06db0227d185dc76ab
Analyze and fix the following issue in the Linux kernel code: i2c: xiic: Don't try to handle more interrupt events after error
Problem Details: In xiic_process, it is possible that error events such as arbitration lost or TX error can be raised in conjunction with other interrupt flags such as TX FIFO empty or bus not busy. Error events result in the controller being reset and the error returned to the calling request, but the function could p...
```diff diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c index f879af4def5e..b3bb97762c85 100644 --- a/drivers/i2c/busses/i2c-xiic.c +++ b/drivers/i2c/busses/i2c-xiic.c @@ -721,6 +721,8 @@ static irqreturn_t xiic_process(int irq, void *dev_id) wakeup_req = 1; wakeup_code = STATE_ERROR;...
3f069c4c643225f2b96b4b3f8c30e4445f079d2e
Analyze and fix the following issue in the Linux kernel code: apparmor: Fix kernel-doc header for verify_dfa_accept_index
Problem Details: Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202306141934.UKmM9bFX-lkp@intel.com/ Signed-off-by: John Johansen <john.johansen@canonical.com>
```diff diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index f171f8a8ebd5..35ec2d9b6064 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -1154,7 +1154,7 @@ static int verify_header(struct aa_ext *e, int required, const char **ns) } /** - *...
ec6851ae0ab4587e610e260ddda75f92f3389f91
Analyze and fix the following issue in the Linux kernel code: apparmor: fix: kzalloc perms tables for shared dfas
Problem Details: Currently the permstables of the shared dfas are not shared, and need to be allocated and copied. In the future this should be addressed with a larger rework on dfa and pdb ref counts and structure sharing. BugLink: http://bugs.launchpad.net/bugs/2017903 Fixes: 217af7e2f4de ("apparmor: refactor profil...
```diff diff --git a/security/apparmor/policy.c b/security/apparmor/policy.c index a8fcc7291a75..b38f7b2a5e1d 100644 --- a/security/apparmor/policy.c +++ b/security/apparmor/policy.c @@ -589,7 +589,15 @@ struct aa_profile *aa_alloc_null(struct aa_profile *parent, const char *name, profile->label.flags |= FLAG_NULL; ...
6f442d42c0d89876994a4a135eadf82b0e6ff6e4
Analyze and fix the following issue in the Linux kernel code: apparmor: fix profile verification and enable it
Problem Details: The transition table size was not being set by compat mappings resulting in the profile verification code not being run. Unfortunately the checks were also buggy not being correctly updated from the old accept perms, to the new layout. Also indicate to userspace that the kernel has the permstable veri...
```diff diff --git a/security/apparmor/policy_compat.c b/security/apparmor/policy_compat.c index b2ec7fb04e83..7ff9184ace29 100644 --- a/security/apparmor/policy_compat.c +++ b/security/apparmor/policy_compat.c @@ -146,7 +146,8 @@ static struct aa_perms compute_fperms_other(struct aa_dfa *dfa, * * Returns: remapped...
0bac2002b397fda7c9ea81ee0b06a02242958107
Analyze and fix the following issue in the Linux kernel code: apparmor: fix policy_compat permission remap with extended permissions
Problem Details: If the extended permission table is present we should not be attempting to do a compat_permission remap as the compat_permissions are not stored in the dfa accept states. Fixes: fd1b2b95a211 ("apparmor: add the ability for policy to specify a permission table") Signed-off-by: John Johansen <john.johan...
```diff diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 22137fef9147..a357c7b05276 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -849,10 +849,12 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name) } prof...
6600e9f692e36e265ef0828f08337fa294bb330f
Analyze and fix the following issue in the Linux kernel code: apparmor: add missing failure check in compute_xmatch_perms
Problem Details: Add check for failure to allocate the permission table. Fixes: caa9f579ca72 ("apparmor: isolate policy backwards compatibility to its own file") Signed-off-by: John Johansen <john.johansen@canonical.com>
```diff diff --git a/security/apparmor/policy_compat.c b/security/apparmor/policy_compat.c index 9e52e218bf30..b2ec7fb04e83 100644 --- a/security/apparmor/policy_compat.c +++ b/security/apparmor/policy_compat.c @@ -180,6 +180,8 @@ static struct aa_perms *compute_xmatch_perms(struct aa_dfa *xmatch) state_count = xmatc...
000518bc5aef25d3f703592a0296d578c98b1517
Analyze and fix the following issue in the Linux kernel code: apparmor: fix missing error check for rhashtable_insert_fast
Problem Details: rhashtable_insert_fast() could return err value when memory allocation is failed. but unpack_profile() do not check values and this always returns success value. This patch just adds error check code. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: e025be0f26d5 ("apparmor: ...
```diff diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 70caa444d9f8..22137fef9147 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -1035,8 +1035,13 @@ static struct aa_profile *unpack_profile(struct aa_ext *e, char **ns_name) goto f...
755a22c74345a7b4c18dbb86f553eeb7895a97c9
Analyze and fix the following issue in the Linux kernel code: AppArmor: Fix some kernel-doc comments
Problem Details: Make the description of @table to @strs in function unpack_trans_table() to silence the warnings: security/apparmor/policy_unpack.c:456: warning: Function parameter or member 'strs' not described in 'unpack_trans_table' security/apparmor/policy_unpack.c:456: warning: Excess function parameter 'table' ...
```diff diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c index 66915653108c..70caa444d9f8 100644 --- a/security/apparmor/policy_unpack.c +++ b/security/apparmor/policy_unpack.c @@ -437,7 +437,7 @@ static struct aa_dfa *unpack_dfa(struct aa_ext *e, int flags) /** * unpack_trans_table...
b54aebd4411134b525a82d663a26b2f135ecb7e8
Analyze and fix the following issue in the Linux kernel code: apparmor: fix use of strcpy in policy_unpack_test
Problem Details: Replace the use of strcpy() in build_aa_ext_struct() in policy_unpack_test.c with strscpy(). strscpy() is the safer method to use to ensure the buffer does not overflow. This was found by kernel test robot: https://lore.kernel.org/all/202301040348.NbfVsXO0-lkp@intel.com/. Reported-by: kernel test rob...
```diff diff --git a/security/apparmor/policy_unpack_test.c b/security/apparmor/policy_unpack_test.c index e1bfdab524b7..5c9bde25e56d 100644 --- a/security/apparmor/policy_unpack_test.c +++ b/security/apparmor/policy_unpack_test.c @@ -69,31 +69,30 @@ static struct aa_ext *build_aa_ext_struct(struct policy_unpack_fixtur...
89dbb335cb6a627a4067bc42caa09c8bc3326d40
Analyze and fix the following issue in the Linux kernel code: ALSA: jack: Fix mutex call in snd_jack_report()
Problem Details: snd_jack_report() is supposed to be callable from an IRQ context, too, and it's indeed used in that way from virtsnd driver. The fix for input_dev race in commit 1b6a6fc5280e ("ALSA: jack: Access input_dev under mutex"), however, introduced a mutex lock in snd_jack_report(), and this resulted in a pot...
```diff diff --git a/sound/core/jack.c b/sound/core/jack.c index 88493cc31914..03d155ed362b 100644 --- a/sound/core/jack.c +++ b/sound/core/jack.c @@ -654,6 +654,7 @@ void snd_jack_report(struct snd_jack *jack, int status) struct snd_jack_kctl *jack_kctl; unsigned int mask_bits = 0; #ifdef CONFIG_SND_JACK_INPUT_DE...
c1e854a3e3fda82a0bf567c2f00bfc4f9b0fb147
Analyze and fix the following issue in the Linux kernel code: drm/nouveau/nvif: fix potential double-free
Problem Details: DRM cleanup paths unconditionally call nvif_mmu_dtor() for clients, which would result in a double-free if nvif_mmu_ctor()'d previously failed. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https://patch...
```diff diff --git a/drivers/gpu/drm/nouveau/nvif/mmu.c b/drivers/gpu/drm/nouveau/nvif/mmu.c index 3709cbbc19a1..c9dd3cff49a0 100644 --- a/drivers/gpu/drm/nouveau/nvif/mmu.c +++ b/drivers/gpu/drm/nouveau/nvif/mmu.c @@ -27,6 +27,9 @@ void nvif_mmu_dtor(struct nvif_mmu *mmu) { + if (!nvif_object_constructed(&mmu->obje...
ba1efd8e33365d38fb657ea1fb2154e283adfaf3
Analyze and fix the following issue in the Linux kernel code: drm/nouveau/nvkm: punt spurious irq messages to debug level
Problem Details: This can be completely normal in some situations (ie. non-stall intrs when nothing is waiting on them). Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Reviewed-by: Karol Herbst <kherbst@redhat.com> Reviewed-by: Lyude Paul <lyude@redhat.com> Signed-off-by: Karol Herbst <kherbst@redhat.com> Link: https:...
```diff diff --git a/drivers/gpu/drm/nouveau/nvkm/core/intr.c b/drivers/gpu/drm/nouveau/nvkm/core/intr.c index e20b7ca218c3..36a747f0039e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/core/intr.c +++ b/drivers/gpu/drm/nouveau/nvkm/core/intr.c @@ -212,8 +212,8 @@ nvkm_intr(int irq, void *arg) list_for_each_entry(intr, &d...
00ae1491f970acc454be0df63f50942d94825860
Analyze and fix the following issue in the Linux kernel code: dma-buf: fix an error pointer vs NULL bug
Problem Details: Smatch detected potential error pointer dereference. drivers/gpu/drm/drm_syncobj.c:888 drm_syncobj_transfer_to_timeline() error: 'fence' dereferencing possible ERR_PTR() The error pointer comes from dma_fence_allocate_private_stub(). One caller expected error pointers and one expected NULL p...
```diff diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c index ad076f208760..8aa8f8cb7071 100644 --- a/drivers/dma-buf/dma-fence.c +++ b/drivers/dma-buf/dma-fence.c @@ -160,7 +160,7 @@ struct dma_fence *dma_fence_allocate_private_stub(ktime_t timestamp) fence = kzalloc(sizeof(*fence), GFP_KERN...
e231cd833f6463e9a1d54acae9614b513c74d45e
Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: SND_SOC_WCD934X should select REGMAP_IRQ
Problem Details: If CONFIG_SND_SOC_WCD934X=y, CONFIG_COMPILE_TEST=y, CONFIG_MFD_WCD934X=n, CONFIG_REGMAP_IRQ=n: aarch64-linux-gnu-ld: sound/soc/codecs/wcd934x.o: in function `wcd934x_codec_probe': wcd934x.c:(.text+0x33cc): undefined reference to `regmap_irq_get_virq' aarch64-linux-gnu-ld: sound/soc/codecs/...
```diff diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 76ddd3ffc496..d379a670a46d 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -1943,6 +1943,7 @@ config SND_SOC_WCD934X tristate "WCD9340/WCD9341 Codec" depends on COMMON_CLK depends on SLIMBUS + select REGMAP_IRQ ...
c1be62923d4d86e7c06b1224626e27eb8d9ab32e
Analyze and fix the following issue in the Linux kernel code: ASoC: qcom: q6apm: do not close GPR port before closing graph
Problem Details: Closing GPR port before graph close can result in un handled notifications from DSP, this results in spam of errors from GPR driver as there is no one to handle these notification at that point in time. Fix this by closing GPR port after graph close is finished. Fixes: 5477518b8a0e ("ASoC: qdsp6: aud...
```diff diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c index 7bfac9492ab5..5d44d07acd69 100644 --- a/sound/soc/qcom/qdsp6/q6apm.c +++ b/sound/soc/qcom/qdsp6/q6apm.c @@ -511,6 +511,8 @@ static int graph_callback(struct gpr_resp_pkt *data, void *priv, int op) switch (hdr->opcode) { case DA...
a5475829adcc600bc69ee9ff7c9e3e43fb4f8d30
Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: wcd-mbhc-v2: fix resource leaks on component remove
Problem Details: The MBHC resources must be released on component probe failure and removal so can not be tied to the lifetime of the component device. This is specifically needed to allow probe deferrals of the sound card which otherwise fails when reprobing the codec component: snd-sc8280xp sound: ASoC: failed ...
```diff diff --git a/sound/soc/codecs/wcd-mbhc-v2.c b/sound/soc/codecs/wcd-mbhc-v2.c index 1911750f7445..5da1934527f3 100644 --- a/sound/soc/codecs/wcd-mbhc-v2.c +++ b/sound/soc/codecs/wcd-mbhc-v2.c @@ -1454,7 +1454,7 @@ struct wcd_mbhc *wcd_mbhc_init(struct snd_soc_component *component, return ERR_PTR(-EINVAL); }...
798590cc7d3c2b5f3a7548d96dd4d8a081c1bc39
Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: wcd934x: fix resource leaks on component remove
Problem Details: Make sure to release allocated MBHC resources also on component remove. This is specifically needed to allow probe deferrals of the sound card which otherwise fails when reprobing the codec component. Fixes: 9fb9b1690f0b ("ASoC: codecs: wcd934x: add mbhc support") Cc: stable@vger.kernel.org # 5....
```diff diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c index a17cd75b969b..1b6e376f3833 100644 --- a/sound/soc/codecs/wcd934x.c +++ b/sound/soc/codecs/wcd934x.c @@ -3044,6 +3044,17 @@ static int wcd934x_mbhc_init(struct snd_soc_component *component) return 0; } + +static void wcd934x_mbhc_dei...
a3406f87775fee986876e03f93a84385f54d5999
Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: wcd938x: fix resource leaks on component remove
Problem Details: Make sure to release allocated resources on component probe failure and on remove. This is specifically needed to allow probe deferrals of the sound card which otherwise fails when reprobing the codec component: snd-sc8280xp sound: ASoC: failed to instantiate card -517 genirq: Flags mismatch ...
```diff diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index a8aed48e76ee..a3c680661377 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -2636,6 +2636,14 @@ static int wcd938x_mbhc_init(struct snd_soc_component *component) return 0; } + +static void wcd938x_mbhc_dei...
ed0dd9205bf69593edb495cb4b086dbae96a3f05
Analyze and fix the following issue in the Linux kernel code: ASoC: codecs: wcd938x: fix missing clsh ctrl error handling
Problem Details: Allocation of the clash control structure may fail so add the missing error handling to avoid dereferencing an error pointer. Fixes: 8d78602aa87a ("ASoC: codecs: wcd938x: add basic driver") Cc: stable@vger.kernel.org # 5.14 Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Johan ...
```diff diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index 3a3360711f8f..a8aed48e76ee 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -3106,6 +3106,10 @@ static int wcd938x_soc_codec_probe(struct snd_soc_component *component) WCD938X_ID_MASK); wcd938x->cls...
46ec420573cefa1fc98025e7e6841bdafd6f1e20
Analyze and fix the following issue in the Linux kernel code: ASoC: qdsp6: audioreach: fix topology probe deferral
Problem Details: Propagate errors when failing to load the topology component so that probe deferrals can be handled. Fixes: 36ad9bf1d93d ("ASoC: qdsp6: audioreach: add topology support") Cc: stable@vger.kernel.org # 5.17 Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Johan Hovold <johan+...
```diff diff --git a/sound/soc/qcom/qdsp6/topology.c b/sound/soc/qcom/qdsp6/topology.c index cccc59b570b9..130b22a34fb3 100644 --- a/sound/soc/qcom/qdsp6/topology.c +++ b/sound/soc/qcom/qdsp6/topology.c @@ -1277,8 +1277,8 @@ int audioreach_tplg_init(struct snd_soc_component *component) ret = snd_soc_tplg_component_...
21327f81db6337c8843ce755b01523c7d3df715b
Analyze and fix the following issue in the Linux kernel code: net: mvneta: fix txq_map in case of txq_number==1
Problem Details: If we boot with mvneta.txq_number=1, the txq_map is set incorrectly: MVNETA_CPU_TXQ_ACCESS(1) refers to TX queue 1, but only TX queue 0 is initialized. Fix this. Fixes: 50bf8cb6fc9c ("net: mvneta: Configure XPS support") Signed-off-by: Klaus Kudielka <klaus.kudielka@gmail.com> Reviewed-by: Michal Kubi...
```diff diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c index ff5647bcdfca..acf4f6ba73a6 100644 --- a/drivers/net/ethernet/marvell/mvneta.c +++ b/drivers/net/ethernet/marvell/mvneta.c @@ -1511,7 +1511,7 @@ static void mvneta_defaults_set(struct mvneta_port *pp) */ if ...
906bd22a44c7c381ae92996129b075ea7beba8f6
Analyze and fix the following issue in the Linux kernel code: selftests/bpf: Add selftest for check_stack_max_depth bug
Problem Details: Use the bpf_timer_set_callback helper to mark timer_cb as an async callback, and put a direct call to timer_cb in the main subprog. As the check_stack_max_depth happens after the do_check pass, the order does not matter. Without the previous fix, the test passes successfully. Signed-off-by: Kumar Kar...
```diff diff --git a/tools/testing/selftests/bpf/prog_tests/async_stack_depth.c b/tools/testing/selftests/bpf/prog_tests/async_stack_depth.c new file mode 100644 index 000000000000..118abc29b236 --- /dev/null +++ b/tools/testing/selftests/bpf/prog_tests/async_stack_depth.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: G...
5415ccd50a8620c8cbaa32d6f18c946c453566f5
Analyze and fix the following issue in the Linux kernel code: bpf: Fix max stack depth check for async callbacks
Problem Details: The check_max_stack_depth pass happens after the verifier's symbolic execution, and attempts to walk the call graph of the BPF program, ensuring that the stack usage stays within bounds for all possible call chains. There are two cases to consider: bpf_pseudo_func and bpf_pseudo_call. In the former cas...
```diff diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 11e54dd8b6dd..930b5555cfd3 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5642,8 +5642,9 @@ continue_func: verbose(env, "verifier bug. subprog has tail_call and async cb\n"); return -EFAULT; } - /* async callba...
47699a2b63caaa0de4841d4402627c2fdf3452a6
Analyze and fix the following issue in the Linux kernel code: scsi: aacraid: Avoid -Warray-bounds warning
Problem Details: The one-element array in aac_aifcmd is actually meant as a flexible array, and causes an overflow warning that can be avoided using the normal flex arrays: drivers/scsi/aacraid/commsup.c:1166:17: error: array index 1 is past the end of the array (that has type 'u8[1]' (aka 'unsigned char[1]'), cast to...
```diff diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index 5e115e8b2ba4..7d5a155073c6 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -2617,7 +2617,7 @@ struct aac_hba_info { struct aac_aifcmd { __le32 command; /* Tell host what type of notify this...
89f7ef7f2b23b2a7b8ce346c23161916eae5b15c
Analyze and fix the following issue in the Linux kernel code: scsi: ufs: ufs-mediatek: Add dependency for RESET_CONTROLLER
Problem Details: When RESET_CONTROLLER is not set, kconfig complains about missing dependencies for RESET_TI_SYSCON, so add the missing dependency just as is done above for SCSI_UFS_QCOM. Silences this kconfig warning: WARNING: unmet direct dependencies detected for RESET_TI_SYSCON Depends on [n]: RESET_CONTROLLER ...
```diff diff --git a/drivers/ufs/host/Kconfig b/drivers/ufs/host/Kconfig index 16624ba08050..580c8d0bd8bb 100644 --- a/drivers/ufs/host/Kconfig +++ b/drivers/ufs/host/Kconfig @@ -72,6 +72,7 @@ config SCSI_UFS_QCOM config SCSI_UFS_MEDIATEK tristate "Mediatek specific hooks to UFS controller platform driver" depends...
23815df5af5790c6e99b6bb1ffd39d509d0a7bdb
Analyze and fix the following issue in the Linux kernel code: scsi: scsi_debug: Remove dead code
Problem Details: The ramdisk rwlocks are not used anymore. Fixes: 87c715dcde63 ("scsi: scsi_debug: Add per_host_store option") Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Link: https://lore.kernel.org/r/20230628150638.53218-1-mlombard@redhat.com Reviewed-by: Laurence Oberman <loberman@redhat.com> Signed-off...
```diff diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 8c58128ad32a..9c0af50501f9 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -841,11 +841,6 @@ static int sdeb_zbc_nr_conv = DEF_ZBC_NR_CONV_ZONES; static int submit_queues = DEF_SUBMIT_QUEUES; /* > 1 for multi-qu...
04d91b783acf910ceda2af31fe969e4eb572110b
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Use vmalloc_array() and vcalloc()
Problem Details: Use vmalloc_array() and vcalloc() to protect against multiplication overflows. The changes were done using the following Coccinelle semantic patch: // <smpl> @initialize:ocaml@ @@ let rename alloc = match alloc with "vmalloc" -> "vmalloc_array" | "vzalloc" -> "vcalloc" | _ -> failwith "unk...
```diff diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index b22b0516da29..e2d51f68f747 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -8434,7 +8434,7 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr, ql_dbg(ql_dbg_init, vha,...
b34c7dcaf311521f6a0edaffc157d115d386ed9c
Analyze and fix the following issue in the Linux kernel code: scsi: fnic: Use vmalloc_array() and vcalloc()
Problem Details: Use vmalloc_array() and vcalloc() to protect against multiplication overflows. The changes were done using the following Coccinelle semantic patch: // <smpl> @initialize:ocaml@ @@ let rename alloc = match alloc with "vmalloc" -> "vmalloc_array" | "vzalloc" -> "vcalloc" | _ -> failwith "unk...
```diff diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c index f3c3a26a1384..be0d7c57b242 100644 --- a/drivers/scsi/fnic/fnic_trace.c +++ b/drivers/scsi/fnic/fnic_trace.c @@ -465,7 +465,7 @@ int fnic_trace_buf_init(void) fnic_max_trace_entries = (trace_max_pages * PAGE_SIZE)/ FNIC_...
e579b007eff3ff8d29d59d16214cd85fb9e573f7
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Fix error code in qla2x00_start_sp()
Problem Details: This should be negative -EAGAIN instead of positive. The callers treat non-zero error codes the same so it doesn't really impact runtime beyond some trivial differences to debug output. Fixes: 80676d054e5a ("scsi: qla2xxx: Fix session cleanup hang") Signed-off-by: Dan Carpenter <dan.carpenter@linaro....
```diff diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 9c70c4e973ee..730d8609276c 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -3912,7 +3912,7 @@ qla2x00_start_sp(srb_t *sp) pkt = __qla2x00_alloc_iocbs(sp->qpair, sp); if (!pkt) { - rv...
134f66959cd0bc90a745f2eed4c10a0519d455c4
Analyze and fix the following issue in the Linux kernel code: scsi: qla2xxx: Silence a static checker warning
Problem Details: Smatch and Clang both complain that LOGIN_TEMPLATE_SIZE is more than sizeof(ha->plogi_els_payld.fl_csp). Smatch warning: drivers/scsi/qla2xxx/qla_iocb.c:3075 qla24xx_els_dcmd2_iocb() warn: '&ha->plogi_els_payld.fl_csp' sometimes too small '16' size = 112 Clang warning: include/linux/forti...
```diff diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 95a12b4e0484..892ceba51c23 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -4461,7 +4461,6 @@ struct qla_hw_data { /* n2n */ struct fc_els_flogi plogi_els_payld; -#define LOGIN_TEMPLATE_S...
0e881c0a4b6146b7e856735226208f48251facd8
Analyze and fix the following issue in the Linux kernel code: scsi: lpfc: Fix a possible data race in lpfc_unregister_fcf_rescan()
Problem Details: The variable phba->fcf.fcf_flag is often protected by the lock phba->hbalock() when is accessed. Here is an example in lpfc_unregister_fcf_rescan(): spin_lock_irq(&phba->hbalock); phba->fcf.fcf_flag |= FCF_INIT_DISC; spin_unlock_irq(&phba->hbalock); However, in the same function, phba->fcf.fcf_...
```diff diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 499849b58ee4..fdd7f69d87ef 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -6944,7 +6944,9 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba) if (rc) return; /* Reset HBA FCF s...
caf3ef7468f7534771b5c44cd8dbd6f7f87c2cbd
Analyze and fix the following issue in the Linux kernel code: netfilter: nf_tables: prevent OOB access in nft_byteorder_eval
Problem Details: When evaluating byteorder expressions with size 2, a union with 32-bit and 16-bit members is used. Since the 16-bit members are aligned to 32-bit, the array accesses will be out-of-bounds. It may lead to a stack-out-of-bounds access like the one below: [ 23.095215] =================================...
```diff diff --git a/net/netfilter/nft_byteorder.c b/net/netfilter/nft_byteorder.c index 9a85e797ed58..e596d1a842f7 100644 --- a/net/netfilter/nft_byteorder.c +++ b/net/netfilter/nft_byteorder.c @@ -30,11 +30,11 @@ void nft_byteorder_eval(const struct nft_expr *expr, const struct nft_byteorder *priv = nft_expr_priv(e...
2fb48d88e77f29bf9d278f25bcfe82cf59a0e09b
Analyze and fix the following issue in the Linux kernel code: blk-crypto: use dynamic lock class for blk_crypto_profile::lock
Problem Details: When a device-mapper device is passing through the inline encryption support of an underlying device, calls to blk_crypto_evict_key() take the blk_crypto_profile::lock of the device-mapper device, then take the blk_crypto_profile::lock of the underlying device (nested). This isn't a real deadlock, but...
```diff diff --git a/block/blk-crypto-profile.c b/block/blk-crypto-profile.c index 2a67d3fb63e5..7fabc883e39f 100644 --- a/block/blk-crypto-profile.c +++ b/block/blk-crypto-profile.c @@ -79,7 +79,14 @@ int blk_crypto_profile_init(struct blk_crypto_profile *profile, unsigned int slot_hashtable_size; memset(profile...
7eb1e47696aa231b1a567846bbe3a1e1befe1854
Analyze and fix the following issue in the Linux kernel code: block/partition: fix signedness issue for Amiga partitions
Problem Details: Making 'blk' sector_t (i.e. 64 bit if LBD support is active) fails the 'blk>0' test in the partition block loop if a value of (signed int) -1 is used to mark the end of the partition block list. Explicitly cast 'blk' to signed int to allow use of -1 to terminate the partition block linked list. Fixes...
```diff diff --git a/block/partitions/amiga.c b/block/partitions/amiga.c index ed222b9c901b..506921095412 100644 --- a/block/partitions/amiga.c +++ b/block/partitions/amiga.c @@ -90,7 +90,7 @@ int amiga_partition(struct parsed_partitions *state) } blk = be32_to_cpu(rdb->rdb_PartitionList); put_dev_sector(sect); -...
01f23c5f1526f5b6ff744887aa511b9e69d4401b
Analyze and fix the following issue in the Linux kernel code: usb: ch9: Replace bmSublinkSpeedAttr 1-element array with flexible array
Problem Details: Since commit 2d47c6956ab3 ("ubsan: Tighten UBSAN_BOUNDS on GCC"), UBSAN_BOUNDS no longer pretends 1-element arrays are unbounded. Walking bmSublinkSpeedAttr will trigger a warning, so make it a proper flexible array. Add a union to keep the struct size identical for userspace in case anything was depen...
```diff diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index b17e3a21b15f..3ff98c7ba7e3 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -981,7 +981,11 @@ struct usb_ssp_cap_descriptor { #define USB_SSP_MIN_RX_LANE_COUNT (0xf << 8) #define USB_SSP_MIN_TX_LANE_...
6722e46513e0af8e2fff4698f7cb78bc50a9f13f
Analyze and fix the following issue in the Linux kernel code: bus: ixp4xx: fix IXP4XX_EXP_T1_MASK
Problem Details: The IXP4XX_EXP_T1_MASK was shifted one bit to the right, overlapping IXP4XX_EXP_T2_MASK and leaving bit 29 unused. The offset being wrong is also confirmed at least by the datasheet of IXP45X/46X [1]. Fix this by aligning it to IXP4XX_EXP_T1_SHIFT. [1] https://www.intel.com/content/dam/www/public/us/...
```diff diff --git a/drivers/bus/intel-ixp4xx-eb.c b/drivers/bus/intel-ixp4xx-eb.c index f5ba6bee6fd8..320cf307db05 100644 --- a/drivers/bus/intel-ixp4xx-eb.c +++ b/drivers/bus/intel-ixp4xx-eb.c @@ -33,7 +33,7 @@ #define IXP4XX_EXP_TIMING_STRIDE 0x04 #define IXP4XX_EXP_CS_EN BIT(31) #define IXP456_EXP_PAR_EN BIT(3...
2fa4139f3e4812de1b827b44ade35a406413f31f
Analyze and fix the following issue in the Linux kernel code: RISC-V: make ARCH_THEAD preclude XIP_KERNEL
Problem Details: Randy reported build errors in linux-next where XIP_KERNEL was enabled. ARCH_THEAD requires alternatives to support the non-standard ISA extensions used by the THEAD cores, which are mutually exclusive with XIP kernels. Clone the dependency list from the Allwinner entry, since Allwinner's D1 uses T-Hea...
```diff diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs index ce10a38dff37..6833d01e2e70 100644 --- a/arch/riscv/Kconfig.socs +++ b/arch/riscv/Kconfig.socs @@ -43,6 +43,7 @@ config ARCH_SUNXI config ARCH_THEAD bool "T-HEAD RISC-V SoCs" + depends on MMU && !XIP_KERNEL select ERRATA_THEAD help ...
bcd981db12e6d26111609802fc7c358f30a8c72a
Analyze and fix the following issue in the Linux kernel code: perf test: Fix event parsing test when PERF_PMU_CAP_EXTENDED_HW_TYPE isn't supported.
Problem Details: Arm has multiple PMU types for heterogeneous systems, but doesn't currently support PERF_PMU_CAP_EXTENDED_HW_TYPE. Make the tests support both scenarios so that they pass on Arm, and will still pass once PERF_PMU_CAP_EXTENDED_HW_TYPE support is added. Fixes: 27c9fcfc1e14 ("perf test: Update parse-even...
```diff diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 21f79aa31233..b2f82847e4c3 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -20,6 +20,20 @@ #define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \ PERF_SAMPLE_CPU | PE...
808ce56e7d6bfc144b18ded8c11819c45a889520
Analyze and fix the following issue in the Linux kernel code: perf test: Fix event parsing test on Arm
Problem Details: The test looks for a PMU from sysfs with type = PERF_TYPE_RAW when opening a raw event. Arm doesn't have a real raw PMU, only core PMUs with unique types other than raw. Instead of looking for a matching PMU, just test that the event type was parsed as raw and skip the PMU search on Arm. The raw event...
```diff diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 133218e51ab4..21f79aa31233 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -108,10 +108,21 @@ static int test__checkevent_raw(struct evlist *evlist) TEST_ASSERT_VAL("wrong number of entri...
84a192e46106355de1a314d709e657231d4b1026
Analyze and fix the following issue in the Linux kernel code: igc: Handle PPS start time programming for past time values
Problem Details: I225/6 hardware can be programmed to start PPS output once the time in Target Time registers is reached. The time programmed in these registers should always be into future. Only then PPS output is triggered when SYSTIM register reaches the programmed value. There are two modes in i225/6 hardware to pr...
```diff diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c index 32ef112f8291..f0b979a70655 100644 --- a/drivers/net/ethernet/intel/igc/igc_ptp.c +++ b/drivers/net/ethernet/intel/igc/igc_ptp.c @@ -356,16 +356,35 @@ static int igc_ptp_feature_enable_i225(struct ptp_clock_inf...
25102893e409bc02761ab82dbcfa092006404790
Analyze and fix the following issue in the Linux kernel code: igc: Include the length/type field and VLAN tag in queueMaxSDU
Problem Details: IEEE 802.1Q does not have clear definitions of what constitutes an SDU (Service Data Unit), but IEEE Std 802.3 clause 3.1.2 does define the MAC service primitives and clause 3.2.7 does define the MAC Client Data for Q-tagged frames. It shows that the mac_service_data_unit (MSDU) does NOT contain the p...
```diff diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index e5bfc4000658..281a0e35b9d1 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -1575,16 +1575,9 @@ done: if (adapter->qbv_transition || tx_ring->oper_g...
9ac3fc2f42e5ffa1e927dcbffb71b15fa81459e2
Analyze and fix the following issue in the Linux kernel code: igc: set TP bit in 'supported' and 'advertising' fields of ethtool_link_ksettings
Problem Details: set TP bit in the 'supported' and 'advertising' fields. i225/226 parts only support twisted pair copper. Fixes: 8c5ad0dae93c ("igc: Add ethtool support") Signed-off-by: Prasad Koya <prasad@arista.com> Acked-by: Sasha Neftin <sasha.neftin@intel.com> Tested-by: Naama Meir <naamax.meir@linux.intel.com> S...
```diff diff --git a/drivers/net/ethernet/intel/igc/igc_ethtool.c b/drivers/net/ethernet/intel/igc/igc_ethtool.c index 0e2cb00622d1..93bce729be76 100644 --- a/drivers/net/ethernet/intel/igc/igc_ethtool.c +++ b/drivers/net/ethernet/intel/igc/igc_ethtool.c @@ -1708,6 +1708,8 @@ static int igc_ethtool_get_link_ksettings(s...
cc7eab25b1cf3f9594fe61142d3523ce4d14a788
Analyze and fix the following issue in the Linux kernel code: nfp: clean mc addresses in application firmware when closing port
Problem Details: When moving devices from one namespace to another, mc addresses are cleaned in software while not removed from application firmware. Thus the mc addresses are remained and will cause resource leak. Now use `__dev_mc_unsync` to clean mc addresses when closing port. Fixes: e20aa071cd95 ("nfp: fix sched...
```diff diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 49f2f081ebb5..6b1fb5708434 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -53,6 +53,8 @@ #include "crypto/c...
7abd955a58fb0fcd4e756fa2065c03ae488fcfa7
Analyze and fix the following issue in the Linux kernel code: net/mlx5e: RX, Fix page_pool page fragment tracking for XDP
Problem Details: Currently mlx5e releases pages directly to the page_pool for XDP_TX and does page fragment counting for XDP_REDIRECT. RX pages from the page_pool are leaking on XDP_REDIRECT because the xdp core will release only one fragment out of MLX5E_PAGECNT_BIAS_MAX and subsequently the page is marked as "skip re...
```diff diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index f0e6095809fa..40589cebb773 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -662,8 +662,7 @@ static void mlx5e_free_xdpsq_...