syzbot


kernel BUG in jbd2_journal_get_create_access

Status: auto-obsoleted due to no activity on 2023/05/14 07:57
Reported-by: syzbot+913ce8cb959b43c79b86@syzkaller.appspotmail.com
First crash: 744d, last: 744d
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream kernel BUG in jbd2_journal_get_create_access (2) ext4 1 740d 736d 0/28 auto-obsoleted due to no activity on 2023/03/12 00:32
android-54 kernel BUG in jbd2_journal_get_create_access (3) 2 484d 597d 0/2 auto-obsoleted due to no activity on 2023/11/02 17:55
linux-5.15 kernel BUG in jbd2_journal_get_create_access 1 475d 475d 0/3 auto-obsoleted due to no activity on 2023/11/11 20:43
upstream kernel BUG in jbd2_journal_get_create_access ext4 1 1042d 1038d 0/28 auto-closed as invalid on 2022/05/14 14:52
android-54 kernel BUG in jbd2_journal_get_create_access 1 1071d 1071d 0/2 auto-closed as invalid on 2022/04/15 14:31
android-54 kernel BUG in jbd2_journal_get_create_access (2) 1 928d 928d 0/2 auto-obsoleted due to no activity on 2022/09/05 10:27
android-5-15 kernel BUG in jbd2_journal_get_create_access missing-backport origin:upstream syz error error 1 712d 712d 0/2 auto-obsoleted due to no activity on 2024/05/16 15:00
Last patch testing requests (1)
Created Duration User Patch Repo Result
2023/05/14 07:32 18m retest repro android13-5.10-lts OK log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/jbd2/transaction.c:1267!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 379 Comm: syz-executor.0 Not tainted 5.10.149-syzkaller-01350-g0118fb827bc7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:jbd2_journal_get_create_access+0x492/0x4a0 fs/jbd2/transaction.c:1264
Code: ff ff ff 48 89 df e8 2d d5 b7 ff e9 21 ff ff ff e8 23 b5 7d ff 0f 0b e8 1c b5 7d ff 0f 0b e8 15 b5 7d ff 0f 0b e8 0e b5 7d ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc90000c87830 EFLAGS: 00010293
RAX: ffffffff81ef3572 RBX: 0000000000000003 RCX: ffff8881067e8000
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000002
RBP: ffffc90000c87890 R08: ffffffff81ef3294 R09: 0000000000000003
R10: fffff52000190ef5 R11: 1ffff92000190ef4 R12: ffff888108fe9bb0
R13: ffff88811ae81268 R14: dffffc0000000000 R15: ffff88810ba1d500
FS:  000055555562a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555633728 CR3: 000000010618f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __ext4_journal_get_create_access+0x9b/0x300 fs/ext4/ext4_jbd2.c:314
 ext4_getblk+0x3b2/0x650 fs/ext4/inode.c:873
 ext4_bread+0x2f/0x1b0 fs/ext4/inode.c:901
 ext4_append+0x295/0x4d0 fs/ext4/namei.c:83
 ext4_init_new_dir+0x337/0xa10 fs/ext4/namei.c:2912
 ext4_mkdir+0x475/0xbb0 fs/ext4/namei.c:2957
 vfs_mkdir+0x435/0x610 fs/namei.c:3729
 do_mkdirat+0x1b6/0x2d0 fs/namei.c:3752
 __do_sys_mkdirat fs/namei.c:3763 [inline]
 __se_sys_mkdirat fs/namei.c:3761 [inline]
 __x64_sys_mkdirat+0x7b/0x90 fs/namei.c:3761
 do_syscall_64+0x34/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fe9c0742627
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd6b7c5b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007ffd6b7c5ba0 RCX: 00007fe9c0742627
RDX: 00000000000001ff RSI: 00007ffd6b7c5ba0 RDI: 00000000ffffff9c
RBP: 00007ffd6b7c5b7c R08: 0000000000000000 R09: 0000000000000003
R10: 00007ffd6b7c58b7 R11: 0000000000000206 R12: 0000000000000032
R13: 000000000000f201 R14: 0000000000000011 R15: 00007ffd6b7c5be0
Modules linked in:
---[ end trace 43336138dedbccd7 ]---
RIP: 0010:jbd2_journal_get_create_access+0x492/0x4a0 fs/jbd2/transaction.c:1264
Code: ff ff ff 48 89 df e8 2d d5 b7 ff e9 21 ff ff ff e8 23 b5 7d ff 0f 0b e8 1c b5 7d ff 0f 0b e8 15 b5 7d ff 0f 0b e8 0e b5 7d ff <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56
RSP: 0018:ffffc90000c87830 EFLAGS: 00010293
RAX: ffffffff81ef3572 RBX: 0000000000000003 RCX: ffff8881067e8000
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000002
RBP: ffffc90000c87890 R08: ffffffff81ef3294 R09: 0000000000000003
R10: fffff52000190ef5 R11: 1ffff92000190ef4 R12: ffff888108fe9bb0
R13: ffff88811ae81268 R14: dffffc0000000000 R15: ffff88810ba1d500
FS:  000055555562a400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555633728 CR3: 000000010618f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/11/08 03:52 android12-5.10-lts 0118fb827bc7 6feb842b .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 kernel BUG in jbd2_journal_get_create_access
* Struck through repros no longer work on HEAD.