Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in inode_set_ctime_current / inode_update_timestamps fs | 3 | 412d | 427d | 0/28 | auto-obsoleted due to no activity on 2023/10/26 06:20 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in inode_set_ctime_current / inode_update_timestamps fs | 3 | 412d | 427d | 0/28 | auto-obsoleted due to no activity on 2023/10/26 06:20 |
================================================================== BUG: KCSAN: data-race in inode_set_ctime_current / inode_update_timestamps write to 0xffff8881047d7b18 of 4 bytes by task 27687 on cpu 0: inode_set_ctime_to_ts include/linux/fs.h:1678 [inline] inode_set_ctime_current+0x35/0x50 fs/inode.c:2664 shmem_truncate_range+0x2f/0x70 mm/shmem.c:1145 shmem_setattr+0x791/0x830 mm/shmem.c:1229 notify_change+0x85c/0x8e0 fs/attr.c:503 do_truncate fs/open.c:65 [inline] do_ftruncate+0x3cf/0x460 fs/open.c:181 do_sys_ftruncate fs/open.c:199 [inline] __do_sys_ftruncate fs/open.c:207 [inline] __se_sys_ftruncate fs/open.c:205 [inline] __x64_sys_ftruncate+0x6a/0xc0 fs/open.c:205 x64_sys_call+0x8e5/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:78 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff8881047d7b18 of 4 bytes by task 27678 on cpu 1: inode_get_ctime_nsec include/linux/fs.h:1663 [inline] inode_get_ctime include/linux/fs.h:1669 [inline] inode_update_timestamps+0x56/0x280 fs/inode.c:1994 generic_update_time fs/inode.c:2036 [inline] inode_update_time fs/inode.c:2056 [inline] __file_update_time fs/inode.c:2245 [inline] file_update_time+0x220/0x2b0 fs/inode.c:2275 fault_dirty_shared_page+0xde/0x340 mm/memory.c:3204 do_shared_fault mm/memory.c:5389 [inline] do_fault mm/memory.c:5435 [inline] do_pte_missing mm/memory.c:3965 [inline] handle_pte_fault mm/memory.c:5766 [inline] __handle_mm_fault mm/memory.c:5909 [inline] handle_mm_fault+0x1370/0x2a80 mm/memory.c:6077 do_user_addr_fault arch/x86/mm/fault.c:1338 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x3b9/0x650 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 value changed: 0x25e79932 -> 0x35ff78b7 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 27678 Comm: syz.0.4118 Not tainted 6.12.0-rc5-syzkaller-00176-g5635f189425e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/11/01 11:56 | upstream | 5635f189425e | 96eb609f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in inode_set_ctime_current / inode_update_timestamps |