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================================================================== BUG: KCSAN: data-race in select_collect / step_into write to 0xffff8881066e9900 of 4 bytes by task 10517 on cpu 0: d_lru_del fs/dcache.c:437 [inline] select_collect+0xb3/0x2a0 fs/dcache.c:1565 d_walk+0x291/0x460 fs/dcache.c:1386 shrink_dcache_parent+0x85/0x1a0 fs/dcache.c:1625 vfs_rmdir+0x283/0x2f0 fs/namei.c:4193 do_rmdir+0x194/0x320 fs/namei.c:4248 __do_sys_rmdir fs/namei.c:4267 [inline] __se_sys_rmdir fs/namei.c:4265 [inline] __x64_sys_rmdir+0x30/0x40 fs/namei.c:4265 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff8881066e9900 of 4 bytes by task 10516 on cpu 1: __d_entry_type include/linux/dcache.h:386 [inline] d_is_symlink include/linux/dcache.h:416 [inline] step_into+0x12f/0x800 fs/namei.c:1845 open_last_lookups fs/namei.c:3569 [inline] path_openat+0x10da/0x1d70 fs/namei.c:3776 do_filp_open+0xf6/0x200 fs/namei.c:3809 do_sys_openat2+0xab/0x110 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_openat fs/open.c:1471 [inline] __se_sys_openat fs/open.c:1466 [inline] __x64_sys_openat+0xf3/0x120 fs/open.c:1466 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0x00080000 -> 0x00008000 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 10516 Comm: syz-executor.5 Not tainted 6.6.0-syzkaller-14651-gd2f51b3516da #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/11/06 17:14 | upstream | d2f51b3516da | 78fae24e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in select_collect / step_into |