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WARNING in __ext4_handle_dirty_metadata

Status: auto-closed as invalid on 2019/04/10 08:53
First crash: 2120d, last: 2019d
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-414 WARNING in __ext4_handle_dirty_metadata 6 2027d 2052d 0/1 auto-closed as invalid on 2019/04/03 03:23

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7838 at fs/ext4/ext4_jbd2.c:266 __ext4_handle_dirty_metadata+0x3e9/0x4c0 fs/ext4/ext4_jbd2.c:266
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 7838 Comm: syz-executor1 Not tainted 4.9.132+ #51
 ffff88019ed1f620 ffffffff81b371b9 ffffffff82a38c20 00000000ffffffff
 0000000000000000 0000000000000001 000000000000010a ffff88019ed1f6e0
 ffffffff813f6be5 0000000041b58ab3 ffffffff82e2996b ffffffff813f6a26
Call Trace:
 [<ffffffff81b371b9>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81b371b9>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff813f6be5>] panic+0x1bf/0x39f kernel/panic.c:179
 [<ffffffff813f6eb4>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff810dbfec>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
 [<ffffffff8178f209>] __ext4_handle_dirty_metadata+0x3e9/0x4c0 fs/ext4/ext4_jbd2.c:266
 [<ffffffff816c3f31>] write_end_fn+0x71/0xa0 fs/ext4/inode.c:1310
 [<ffffffff816cc4cc>] ext4_walk_page_buffers+0x9c/0x1a0 fs/ext4/inode.c:1030
 [<ffffffff816e2171>] ext4_journalled_write_end+0x311/0x1230 fs/ext4/inode.c:1464
 [<ffffffff8140f7ec>] generic_perform_write+0x34c/0x500 mm/filemap.c:2764
 [<ffffffff81412672>] __generic_file_write_iter+0x352/0x540 mm/filemap.c:2878
 [<ffffffff816b343d>] ext4_file_write_iter+0x63d/0xd70 fs/ext4/file.c:165
 [<ffffffff81508537>] new_sync_write fs/read_write.c:496 [inline]
 [<ffffffff81508537>] __vfs_write+0x3d7/0x580 fs/read_write.c:509
 [<ffffffff8150ad87>] vfs_write+0x187/0x520 fs/read_write.c:557
 [<ffffffff8150ebb9>] SYSC_write fs/read_write.c:604 [inline]
 [<ffffffff8150ebb9>] SyS_write+0xd9/0x1c0 fs/read_write.c:596
 [<ffffffff810056ef>] do_syscall_64+0x19f/0x550 arch/x86/entry/common.c:285
 [<ffffffff82803953>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (10):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/10/12 08:47 https://android.googlesource.com/kernel/common android-4.9 38f2b4a8c277 ba6ddb43 .config console log report ci-android-49-kasan-gce-root
2018/10/10 20:18 https://android.googlesource.com/kernel/common android-4.9 38f2b4a8c277 5b11ac2c .config console log report ci-android-49-kasan-gce-root
2018/10/06 13:07 https://android.googlesource.com/kernel/common android-4.9 7bebf33f9d46 8b311eaf .config console log report ci-android-49-kasan-gce-root
2018/10/05 10:28 https://android.googlesource.com/kernel/common android-4.9 7bebf33f9d46 8b311eaf .config console log report ci-android-49-kasan-gce-root
2018/10/02 19:36 https://android.googlesource.com/kernel/common android-4.9 cf4085f8a04d a316a2af .config console log report ci-android-49-kasan-gce-root
2018/10/02 00:14 https://android.googlesource.com/kernel/common android-4.9 1c7637ca0b04 e06f7713 .config console log report ci-android-49-kasan-gce-root
2018/09/25 07:46 https://android.googlesource.com/kernel/common android-4.9 36daaf708bc0 0e7547d7 .config console log report ci-android-49-kasan-gce-root
2018/09/03 11:48 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/08/03 20:30 https://android.googlesource.com/kernel/common android-4.9 8b21e85d919c cc4f6d0a .config console log report ci-android-49-kasan-gce-root
2018/07/03 20:26 https://android.googlesource.com/kernel/common android-4.9 03c70feafdb2 317fc8ea .config console log report ci-android-49-kasan-gce-root
* Struck through repros no longer work on HEAD.