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udevd[5944]: inotify_add_watch(7, /dev/loop4p103, 10) failed: No such file or directory ================================================================== BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current write to 0xffff888104423000 of 8 bytes by task 5945 on cpu 1: inode_set_ctime_to_ts include/linux/fs.h:1617 [inline] inode_set_ctime_current+0x38/0x50 fs/inode.c:2515 shmem_mknod+0x117/0x180 mm/shmem.c:3285 shmem_create+0x34/0x40 mm/shmem.c:3339 lookup_open fs/namei.c:3505 [inline] open_last_lookups fs/namei.c:3574 [inline] path_openat+0xdde/0x1da0 fs/namei.c:3804 do_filp_open+0xf7/0x200 fs/namei.c:3834 do_sys_openat2+0xab/0x120 fs/open.c:1405 do_sys_open fs/open.c:1420 [inline] __do_sys_openat fs/open.c:1436 [inline] __se_sys_openat fs/open.c:1431 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1431 x64_sys_call+0x1057/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:258 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 0xffff888104423000 of 8 bytes by task 5944 on cpu 0: inode_get_ctime include/linux/fs.h:1611 [inline] generic_fillattr+0x1e0/0x2f0 fs/stat.c:62 shmem_getattr+0x17b/0x200 mm/shmem.c:1139 vfs_getattr_nosec fs/stat.c:135 [inline] vfs_getattr+0x19b/0x1e0 fs/stat.c:176 vfs_statx+0x140/0x320 fs/stat.c:248 vfs_fstatat+0xcd/0x100 fs/stat.c:304 __do_sys_newfstatat fs/stat.c:468 [inline] __se_sys_newfstatat+0x58/0x260 fs/stat.c:462 __x64_sys_newfstatat+0x55/0x70 fs/stat.c:462 x64_sys_call+0x1451/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:263 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 value changed: 0x00000000015ee921 -> 0x0000000001f77fa1 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5944 Comm: udevd Not tainted 6.10.0-rc4-syzkaller-00052-ge5b3efbe1ab1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/06/19 22:08 | upstream | e5b3efbe1ab1 | 41b7e219 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in generic_fillattr / inode_set_ctime_current | ||
2024/06/16 14:25 | upstream | a3e18a540541 | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in generic_fillattr / inode_set_ctime_current | ||
2024/06/15 20:02 | upstream | 08a6b55aa0c6 | f429ab00 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in generic_fillattr / inode_set_ctime_current |