Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in ext4_alloc_da_blocks / ext4_da_release_space ext4 | 1 | 1511d | 1511d | 0/26 | auto-closed as invalid on 2020/04/18 06:44 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in ext4_alloc_da_blocks / ext4_da_release_space ext4 | 1 | 1511d | 1511d | 0/26 | auto-closed as invalid on 2020/04/18 06:44 |
================================================================== BUG: KCSAN: data-race in ext4_alloc_da_blocks / ext4_da_release_space write to 0xffff88800cf61518 of 4 bytes by task 12433 on cpu 1: ext4_da_release_space+0x9a/0x230 fs/ext4/inode.c:1515 ext4_es_remove_extent+0xf8/0x1e0 fs/ext4/extents_status.c:1462 ext4_ext_truncate+0xbd/0x160 fs/ext4/extents.c:4360 ext4_truncate+0x82b/0xbb0 fs/ext4/inode.c:4254 ext4_setattr+0xbac/0xf70 fs/ext4/inode.c:5493 notify_change+0x7b3/0xa50 fs/attr.c:336 do_truncate+0xe0/0x120 fs/open.c:64 handle_truncate fs/namei.c:2910 [inline] do_open fs/namei.c:3256 [inline] path_openat+0x1a37/0x20a0 fs/namei.c:3369 do_filp_open+0xbd/0x1d0 fs/namei.c:3396 do_sys_openat2+0xa3/0x240 fs/open.c:1168 do_sys_open fs/open.c:1184 [inline] __do_sys_openat fs/open.c:1200 [inline] __se_sys_openat fs/open.c:1195 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1195 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88800cf61518 of 4 bytes by task 12460 on cpu 0: ext4_alloc_da_blocks+0x1d/0x100 fs/ext4/inode.c:3122 ext4_release_file+0x5b/0x1d0 fs/ext4/file.c:142 __fput+0x243/0x4d0 fs/file_table.c:281 ____fput+0x11/0x20 fs/file_table.c:314 task_work_run+0x8e/0x110 kernel/task_work.c:151 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:164 [inline] exit_to_user_mode_prepare+0x13c/0x170 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x16/0x30 kernel/entry/common.c:266 do_syscall_64+0x45/0x80 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 12460 Comm: syz-executor.5 Not tainted 5.10.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/11/25 22:46 | upstream | fa02fcd94b0c | 3f581b43 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
2020/11/08 17:11 | upstream | 4429f14aeea9 | cba33199 | .config | console log | report | info | ci2-upstream-kcsan-gce |