gfs2: fsid=syz:syz.0: jid=0, already locked for use
gfs2: fsid=syz:syz.0: jid=0: Looking at journal...
------------[ cut here ]------------
kernel BUG at block/bio.c:346!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5350 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: gfs2_recovery gfs2_recover_func
RIP: 0010:bio_chain+0xee/0x100 block/bio.c:346
Code: 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8b 05 f3 06 cc 89 f9 80 e1 07 fe c1 38 c1 7c cf e8 3a 47 bd fd eb c8 e8 f3 9c 55 fd 90 <0f> 0b e8 eb 9c 55 fd 90 0f 0b 0f 1f 84 00 00 00 00 00 90 90 90 90
RSP: 0018:ffffc9000e0af540 EFLAGS: 00010293
RAX: ffffffff846b6a6d RBX: ffff8880401b1dc0 RCX: ffff8880003dc980
RDX: 0000000000000000 RSI: ffff8880401b1dc0 RDI: ffff888000dbd3c0
RBP: 00000000000027e6 R08: ffffffff847806f0 R09: ffffffff8df41aa0
R10: dffffc0000000000 R11: ffffed10080363c7 R12: dffffc0000000000
R13: 1ffff110001b7a80 R14: ffff888000dbd3c0 R15: ffff888000dbd400
FS:  0000000000000000(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd8e9ac000 CR3: 0000000043bb9000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 gfs2_chain_bio fs/gfs2/lops.c:487 [inline]
 gfs2_find_jhead+0x627/0xe40 fs/gfs2/lops.c:549
 gfs2_recover_func+0x5f5/0x1c90 fs/gfs2/recovery.c:459
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bio_chain+0xee/0x100 block/bio.c:346
Code: 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8b 05 f3 06 cc 89 f9 80 e1 07 fe c1 38 c1 7c cf e8 3a 47 bd fd eb c8 e8 f3 9c 55 fd 90 <0f> 0b e8 eb 9c 55 fd 90 0f 0b 0f 1f 84 00 00 00 00 00 90 90 90 90
RSP: 0018:ffffc9000e0af540 EFLAGS: 00010293
RAX: ffffffff846b6a6d RBX: ffff8880401b1dc0 RCX: ffff8880003dc980
RDX: 0000000000000000 RSI: ffff8880401b1dc0 RDI: ffff888000dbd3c0
RBP: 00000000000027e6 R08: ffffffff847806f0 R09: ffffffff8df41aa0
R10: dffffc0000000000 R11: ffffed10080363c7 R12: dffffc0000000000
R13: 1ffff110001b7a80 R14: ffff888000dbd3c0 R15: ffff888000dbd400
FS:  0000000000000000(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd8e9ac000 CR3: 00000000112ea000 CR4: 0000000000352ef0