syzbot


kernel BUG in bch2_journal_key_insert_take

Status: upstream: reported C repro on 2024/10/21 13:07
Subsystems: bcachefs
[Documentation on labels]
Reported-by: syzbot+47f334396d741f9cb1ce@syzkaller.appspotmail.com
First crash: 48d, last: 30d
Cause bisection: introduced by (bisect log) :
commit d59f4aba096298347f0e0e5402843bb8505edc2d
Author: Kent Overstreet <kent.overstreet@linux.dev>
Date: Sat Oct 12 02:53:09 2024 +0000

  bcachefs: -o norecovery now bails out of recovery earlier

Crash: kernel BUG in bch2_journal_key_insert_take (log)
Repro: C syz .config
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [bcachefs?] kernel BUG in bch2_journal_key_insert_take 1 (3) 2024/10/22 20:21
Last patch testing requests (3)
Created Duration User Patch Repo Result
2024/11/19 05:53 43m retest repro linux-next OK log
2024/11/19 05:53 22m retest repro linux-next OK log
2024/10/21 22:25 31m pz010001011111@proton.me patch linux-next report log

Sample crash report:
------------[ cut here ]------------
kernel BUG at fs/bcachefs/btree_journal_iter.c:190!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.12.0-rc5-syzkaller-00181-g6c52d4da1c74 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: btree_update btree_interior_update_work
RIP: 0010:bch2_journal_key_insert_take+0x180f/0x1830 fs/bcachefs/btree_journal_iter.c:190
Code: f1 fc ff ff e8 82 be 78 fd 90 0f 0b e8 7a be 78 fd 90 0f 0b e8 72 be 78 fd 90 0f 0b e8 6a be 78 fd 90 0f 0b e8 62 be 78 fd 90 <0f> 0b e8 ea ea aa 07 e8 55 be 78 fd 90 0f 0b e8 4d be 78 fd 90 0f
RSP: 0018:ffffc9000060f4a0 EFLAGS: 00010293
RAX: ffffffff841c1bbe RBX: 0000000000000040 RCX: ffff88801e338000
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000
RBP: ffffc9000060f610 R08: ffffffff841c05ae R09: 1ffff1100a060035
R10: dffffc0000000000 R11: ffffed100a060036 R12: 0000000000000018
R13: ffff888050300000 R14: dffffc0000000000 R15: ffff88805034b2d0
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005633de976088 CR3: 0000000011e16000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_journal_key_insert+0xb3/0x130 fs/bcachefs/btree_journal_iter.c:260
 do_bch2_trans_commit_to_journal_replay+0x111/0x420 fs/bcachefs/btree_trans_commit.c:1026
 __bch2_trans_commit+0x15e9/0x93c0 fs/bcachefs/btree_trans_commit.c:1062
 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline]
 btree_update_nodes_written fs/bcachefs/btree_update_interior.c:728 [inline]
 btree_interior_update_work+0x1492/0x2b10 fs/bcachefs/btree_update_interior.c:866
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bch2_journal_key_insert_take+0x180f/0x1830 fs/bcachefs/btree_journal_iter.c:190
Code: f1 fc ff ff e8 82 be 78 fd 90 0f 0b e8 7a be 78 fd 90 0f 0b e8 72 be 78 fd 90 0f 0b e8 6a be 78 fd 90 0f 0b e8 62 be 78 fd 90 <0f> 0b e8 ea ea aa 07 e8 55 be 78 fd 90 0f 0b e8 4d be 78 fd 90 0f
RSP: 0018:ffffc9000060f4a0 EFLAGS: 00010293
RAX: ffffffff841c1bbe RBX: 0000000000000040 RCX: ffff88801e338000
RDX: 0000000000000000 RSI: 0000000000000040 RDI: 0000000000000000
RBP: ffffc9000060f610 R08: ffffffff841c05ae R09: 1ffff1100a060035
R10: dffffc0000000000 R11: ffffed100a060036 R12: 0000000000000018
R13: ffff888050300000 R14: dffffc0000000000 R15: ffff88805034b2d0
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005633de976088 CR3: 0000000011a40000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (59):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/01 18:01 upstream 6c52d4da1c74 f00eed24 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in bch2_journal_key_insert_take
2024/10/31 19:39 upstream 0fc810ae3ae1 96eb609f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root kernel BUG in bch2_journal_key_insert_take
2024/11/05 03:18 linux-next 1ffec08567f4 509da429 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/11/04 13:01 linux-next 1ffec08567f4 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/11/04 11:41 linux-next 1ffec08567f4 f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/11/03 07:57 linux-next c88416ba074a f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/11/03 06:27 linux-next c88416ba074a f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/11/02 10:10 linux-next c88416ba074a f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/11/02 08:53 linux-next c88416ba074a f00eed24 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/11/01 05:31 linux-next f9f24ca362a4 96eb609f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/30 20:15 linux-next 86e3904dcdc7 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:58 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:58 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:58 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:57 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:57 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:55 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:55 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:55 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:55 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:53 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 06:53 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 00:25 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 00:25 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 00:23 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 00:23 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 00:21 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 00:19 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/21 00:12 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/20 15:51 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/20 15:51 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/20 01:33 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/20 01:31 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/20 01:26 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/20 01:25 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 14:51 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 14:50 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 14:50 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 14:50 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 04:51 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 04:50 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 04:43 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 04:37 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 04:37 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 03:02 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/19 03:02 linux-next 15e7d45e786a cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/18 12:21 linux-next 15e7d45e786a 666f77ed .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/18 11:23 linux-next 15e7d45e786a 666f77ed .config strace log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/18 04:50 linux-next 15e7d45e786a 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
2024/10/18 04:50 linux-next 15e7d45e786a 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root kernel BUG in bch2_journal_key_insert_take
* Struck through repros no longer work on HEAD.