Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in fsnotify_perm / shrink_dentry_list (2) fs | 2 | 832d | 839d | 0/26 | auto-closed as invalid on 2022/01/20 15:48 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in fsnotify_perm / shrink_dentry_list (2) fs | 2 | 832d | 839d | 0/26 | auto-closed as invalid on 2022/01/20 15:48 |
================================================================== BUG: KCSAN: data-race in fsnotify_perm / shrink_dentry_list write to 0xffff88810132b0c0 of 4 bytes by task 17224 on cpu 0: shrink_dentry_list+0x127/0x340 fs/dcache.c:423 shrink_dcache_sb+0x188/0x2d0 fs/dcache.c:1296 reconfigure_super+0x2aa/0x4f0 fs/super.c:889 do_remount fs/namespace.c:2650 [inline] path_mount+0x145a/0x1d20 fs/namespace.c:3310 do_mount fs/namespace.c:3331 [inline] __do_sys_mount fs/namespace.c:3539 [inline] __se_sys_mount+0x24b/0x2f0 fs/namespace.c:3516 __x64_sys_mount+0x63/0x70 fs/namespace.c:3516 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88810132b0c0 of 4 bytes by task 1112 on cpu 1: fsnotify_parent include/linux/fsnotify.h:69 [inline] fsnotify_file include/linux/fsnotify.h:99 [inline] fsnotify_perm+0x2ce/0x370 include/linux/fsnotify.h:124 security_file_open+0x85/0x90 security/security.c:1638 do_dentry_open+0x232/0x860 fs/open.c:809 vfs_open+0x43/0x50 fs/open.c:945 do_open fs/namei.c:3428 [inline] path_openat+0x17c3/0x1ec0 fs/namei.c:3561 do_filp_open+0x105/0x220 fs/namei.c:3588 do_sys_openat2+0xb5/0x2b0 fs/open.c:1200 do_sys_open fs/open.c:1216 [inline] __do_sys_openat fs/open.c:1232 [inline] __se_sys_openat fs/open.c:1227 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1227 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00280440 -> 0x00200040 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 1112 Comm: syz-executor.5 Not tainted 5.15.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/10/11 10:10 | upstream | 64570fbc14f8 | 838e7e2c | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in fsnotify_perm / shrink_dentry_list |