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EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000. ================================================================== BUG: KCSAN: data-race in fsnotify_event_needs_parent / fsnotify_put_mark write to 0xffff88810122dd44 of 4 bytes by task 3066 on cpu 0: fsnotify_detach_connector_from_object fs/notify/mark.c:304 [inline] fsnotify_put_mark+0x2d8/0x5d0 fs/notify/mark.c:367 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:819 [inline] __se_sys_inotify_rm_watch+0x105/0x180 fs/notify/inotify/inotify_user.c:793 __x64_sys_inotify_rm_watch+0x31/0x40 fs/notify/inotify/inotify_user.c:793 x64_sys_call+0x1b06/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:256 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 0xffff88810122dd44 of 4 bytes by task 3104 on cpu 1: fsnotify_event_needs_parent+0x47/0x100 fs/notify/fsnotify.c:175 __fsnotify_parent+0x178/0x370 fs/notify/fsnotify.c:222 fsnotify_parent include/linux/fsnotify.h:96 [inline] fsnotify_file include/linux/fsnotify.h:125 [inline] fsnotify_close include/linux/fsnotify.h:406 [inline] __fput+0x1f7/0x660 fs/file_table.c:408 __fput_sync+0x44/0x60 fs/file_table.c:507 __do_sys_close fs/open.c:1555 [inline] __se_sys_close+0x101/0x1b0 fs/open.c:1540 __x64_sys_close+0x1f/0x30 fs/open.c:1540 x64_sys_call+0x25f1/0x2d70 arch/x86/include/generated/asm/syscalls_64.h:4 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: 0x00002008 -> 0x00000000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 3104 Comm: syz-executor.4 Not tainted 6.10.0-rc1-syzkaller-00296-g89be4025b0db #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/06/02 04:47 | upstream | 89be4025b0db | 3113787f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in fsnotify_event_needs_parent / fsnotify_put_mark | ||
2024/05/27 16:29 | upstream | 2bfcfd584ff5 | 761766e6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in fsnotify_event_needs_parent / fsnotify_put_mark | ||
2024/05/27 09:08 | upstream | 1613e604df0c | a10a183e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in fsnotify_event_needs_parent / fsnotify_put_mark | ||
2024/05/23 10:15 | upstream | 2a8120d7b482 | 4c2072ee | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in fsnotify_event_needs_parent / fsnotify_put_mark |