syzbot


kernel BUG in __ext4_journal_stop

Status: upstream: reported C repro on 2022/11/28 10:23
Subsystems: ext4
[Documentation on labels]
Reported-by: syzbot+bdab24d5bf96d57c50b0@syzkaller.appspotmail.com
First crash: 365d, last: 9d21h
Cause bisection: failed (error log, bisect log)
  
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] kernel BUG in __ext4_journal_stop 1 (5) 2023/10/04 09:57
[syzbot] Monthly ext4 report (May 2023) 5 (6) 2023/06/03 06:20
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 kernel BUG in __ext4_journal_stop origin:upstream C 2 14d 247d 0/3 upstream: reported C repro on 2023/03/26 14:44
linux-6.1 kernel BUG in __ext4_journal_stop origin:upstream C 1 8h30m 134d 0/3 upstream: reported C repro on 2023/07/17 08:36
android-6-1 kernel BUG in __ext4_journal_stop origin:upstream C error 2 2d06h 178d 0/2 upstream: reported C repro on 2023/06/03 10:54
android-5-15 kernel BUG in __ext4_journal_stop ext4 origin:upstream C error 7 10d 367d 0/2 upstream: reported C repro on 2022/11/27 03:57
Last patch testing requests (12)
Created Duration User Patch Repo Result
2023/11/02 00:28 21m retest repro upstream report log
2023/10/18 23:37 13m retest repro upstream report log
2023/10/18 23:37 13m retest repro upstream report log
2023/10/18 23:37 14m retest repro upstream report log
2023/10/04 18:22 27m retest repro upstream report log
2023/10/04 18:22 2h37m retest repro upstream report log
2023/10/04 18:22 14m retest repro upstream report log
2023/10/04 18:22 14m retest repro linux-next report log
2023/10/04 13:28 10m retest repro upstream report log
2023/10/04 13:28 11m retest repro upstream report log
2023/06/02 03:17 21m tytso@mit.edu patch git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git ext4_for_linus_stable OK log
2023/04/06 10:40 31m tudor.ambarus@linaro.org git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git dev report log
Fix bisection attempts (2)
Created Duration User Patch Repo Result
2023/05/21 21:31 38m bisect fix upstream job log (0) log
2023/02/06 16:16 40m bisect fix upstream job log (0) log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/ext4/ext4_jbd2.c:53!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5801 Comm: syz-executor407 Not tainted 6.7.0-rc1-syzkaller-00311-g05aa69b096a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline]
RIP: 0010:__ext4_journal_stop+0x1cc/0x200 fs/ext4/ext4_jbd2.c:123
Code: e9 59 ff 45 85 ed 41 0f 45 dd e8 ef ed 59 ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 e8 7f ba af ff e9 98 fe ff ff e8 d5 ed 59 ff 90 <0f> 0b 4c 89 f7 e8 8a ba af ff e9 ce fe ff ff e8 80 ba af ff e9 e9
RSP: 0018:ffffc9000471f3d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff822c9797
RDX: ffff888026714180 RSI: ffffffff822c993b RDI: 0000000000000007
RBP: ffffffff8ae3b8c0 R08: 0000000000000007 R09: 0000000000000fff
R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000329
R13: 0000000000000009 R14: 000000000000001b R15: 0000000000000005
FS:  00007f3fc399a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3fc4268100 CR3: 0000000029371000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_write_inline_data_end+0x49e/0xc10 fs/ext4/inline.c:809
 ext4_da_write_end+0x691/0x1170 fs/ext4/inode.c:3027
 generic_perform_write+0x32f/0x600 mm/filemap.c:3929
 ext4_buffered_write_iter+0x11f/0x3c0 fs/ext4/file.c:299
 ext4_file_write_iter+0x819/0x1950 fs/ext4/file.c:696
 call_write_iter include/linux/fs.h:2020 [inline]
 do_iter_readv_writev+0x21e/0x3c0 fs/read_write.c:735
 do_iter_write+0x17f/0x7f0 fs/read_write.c:860
 vfs_iter_write+0x7a/0xb0 fs/read_write.c:901
 iter_file_splice_write+0x698/0xc00 fs/splice.c:736
 do_splice_from fs/splice.c:933 [inline]
 direct_splice_actor+0x118/0x180 fs/splice.c:1142
 splice_direct_to_actor+0x347/0xa30 fs/splice.c:1088
 do_splice_direct+0x1af/0x280 fs/splice.c:1194
 do_sendfile+0xb3e/0x1310 fs/read_write.c:1254
 __do_sys_sendfile64 fs/read_write.c:1322 [inline]
 __se_sys_sendfile64 fs/read_write.c:1308 [inline]
 __x64_sys_sendfile64+0x1d6/0x220 fs/read_write.c:1308
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f3fc41e9c89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1d 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3fc399a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3fc4270488 RCX: 00007f3fc41e9c89
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f3fc4270480 R08: 00007f3fc399a6c0 R09: 0000000000000000
R10: 0000000080000041 R11: 0000000000000246 R12: 00007f3fc427048c
R13: 0000000000000006 R14: 00007ffc450eaa40 R15: 00007ffc450eab28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline]
RIP: 0010:__ext4_journal_stop+0x1cc/0x200 fs/ext4/ext4_jbd2.c:123
Code: e9 59 ff 45 85 ed 41 0f 45 dd e8 ef ed 59 ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 e8 7f ba af ff e9 98 fe ff ff e8 d5 ed 59 ff 90 <0f> 0b 4c 89 f7 e8 8a ba af ff e9 ce fe ff ff e8 80 ba af ff e9 e9
RSP: 0018:ffffc9000471f3d8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff822c9797
RDX: ffff888026714180 RSI: ffffffff822c993b RDI: 0000000000000007
RBP: ffffffff8ae3b8c0 R08: 0000000000000007 R09: 0000000000000fff
R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000329
R13: 0000000000000009 R14: 000000000000001b R15: 0000000000000005
FS:  00007f3fc399a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005643789b80e8 CR3: 0000000029371000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (17):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/11/19 08:59 upstream 05aa69b096a0 cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root kernel BUG in __ext4_journal_stop
2023/07/28 06:52 upstream 57012c57536f 92476829 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root kernel BUG in __ext4_journal_stop
2023/07/04 01:43 upstream a901a3568fd2 6e553898 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in __ext4_journal_stop
2023/06/27 02:57 upstream c0a572d9d32f 4cd5bb25 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root kernel BUG in __ext4_journal_stop
2023/06/16 12:25 upstream 62d8779610bb f3921d4d .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-selinux-root kernel BUG in __ext4_journal_stop
2023/05/31 20:35 upstream 48b1320a674e e2a77acd .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in __ext4_journal_stop
2023/05/31 10:49 upstream afead42fdfca 09898419 .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-root kernel BUG in __ext4_journal_stop
2023/03/13 11:04 upstream eeac8ede1755 5205ef30 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in __ext4_journal_stop
2022/11/28 10:04 upstream cf562a45a0d5 f4470a7b .config strace log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-upstream-fs kernel BUG in __ext4_journal_stop
2023/08/11 11:05 linux-next 21ef7b1e17d0 da3c3ef8 .config console log report syz C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in __ext4_journal_stop
2023/03/25 12:45 upstream 65aca32efdcb fbf0499a .config console log report syz [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-kasan-gce-smack-root kernel BUG in __ext4_journal_stop
2023/07/04 23:30 upstream b5641a5d8b8b 17a98177 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root kernel BUG in __ext4_journal_stop
2023/02/26 18:46 upstream 2fcd07b7ccd5 ee50e71c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in __ext4_journal_stop
2023/01/07 16:16 upstream 0a71553536d2 1dac8c7a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in __ext4_journal_stop
2022/12/05 08:54 upstream 0ba09b173387 e080de16 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in __ext4_journal_stop
2022/11/30 10:22 upstream 01f856ae6d0c 579a3740 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-fs kernel BUG in __ext4_journal_stop
2023/04/21 10:52 linux-next 44bf136283e5 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in __ext4_journal_stop
* Struck through repros no longer work on HEAD.