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================================================================== BUG: KCSAN: data-race in pid_update_inode / security_file_permission write to 0xffff888123908d18 of 2 bytes by task 7587 on cpu 1: pid_update_inode+0x51/0x70 fs/proc/base.c:1820 pid_revalidate+0x91/0xd0 fs/proc/base.c:1841 d_revalidate fs/namei.c:758 [inline] d_revalidate fs/namei.c:755 [inline] lookup_fast+0x618/0x700 fs/namei.c:1612 do_last fs/namei.c:3274 [inline] path_openat+0x2ac/0x36e0 fs/namei.c:3525 do_filp_open+0x11e/0x1b0 fs/namei.c:3555 do_sys_open+0x3b3/0x4f0 fs/open.c:1097 __do_sys_open fs/open.c:1115 [inline] __se_sys_open fs/open.c:1110 [inline] __x64_sys_open+0x55/0x70 fs/open.c:1110 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888123908d18 of 2 bytes by task 7589 on cpu 0: fsnotify_perm include/linux/fsnotify.h:82 [inline] security_file_permission+0x157/0x280 security/security.c:1379 rw_verify_area+0xe1/0x250 fs/read_write.c:399 vfs_read+0xf0/0x2c0 fs/read_write.c:457 ksys_read+0xd5/0x1b0 fs/read_write.c:587 __do_sys_read fs/read_write.c:597 [inline] __se_sys_read fs/read_write.c:595 [inline] __x64_sys_read+0x4c/0x60 fs/read_write.c:595 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7589 Comm: ps Not tainted 5.4.0-rc3+ #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/10/29 04:11 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 5ea87a66 | .config | console log | report | ci2-upstream-kcsan-gce |