Tlock: ffffc90000fff2f0: 00ff0100 ffffc900 00000002 00000e20
Tlock: ffffc90000fff300: 00000000 00000000 00000000 00000000
Tlock: ffffc90000fff310: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:835!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5664 Comm: syz.0.23 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 80 6c 0b 8c ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 fb c8 4c 01 48 83 c4 10 90 <0f> 0b e8 af f5 68 fe 4c 89 ff 48 c7 c6 60 74 0b 8c e8 e0 ba cc fd
RSP: 0018:ffffc90002a0f140 EFLAGS: 00010282
RAX: 11ae75b0425b8000 RBX: dffffc0000000000 RCX: ffff88803e944900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002a0f278 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cbd5ec R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff920001ffe5a R15: ffffc90000fff2d2
FS:  00007f4f68be36c0(0000) GS:ffff88808ca94000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f68be2ff8 CR3: 00000000413a6000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 dtSplitRoot+0x36f/0x16c0 fs/jfs/jfs_dtree.c:1927
 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline]
 dtInsert+0xf19/0x5f10 fs/jfs/jfs_dtree.c:871
 jfs_create+0x75b/0xb10 fs/jfs/namei.c:138
 lookup_open fs/namei.c:4483 [inline]
 open_last_lookups fs/namei.c:4583 [inline]
 path_openat+0x1395/0x3860 fs/namei.c:4827
 do_file_open+0x23e/0x4a0 fs/namei.c:4859
 do_sys_openat2+0x113/0x200 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_open fs/open.c:1380 [inline]
 __se_sys_open fs/open.c:1376 [inline]
 __x64_sys_open+0x11e/0x150 fs/open.c:1376
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4f67d9bf79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4f68be3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f4f68016090 RCX: 00007f4f67d9bf79
RDX: 0000000000000111 RSI: 000000000014937e RDI: 0000200000000180
RBP: 00007f4f67e327e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4f68016128 R14: 00007f4f68016090 R15: 00007ffcd07d2ab8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1c7a/0x1cc0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 80 6c 0b 8c ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 30 6a 00 6a 48 e8 fb c8 4c 01 48 83 c4 10 90 <0f> 0b e8 af f5 68 fe 4c 89 ff 48 c7 c6 60 74 0b 8c e8 e0 ba cc fd
RSP: 0018:ffffc90002a0f140 EFLAGS: 00010282
RAX: 11ae75b0425b8000 RBX: dffffc0000000000 RCX: ffff88803e944900
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002a0f278 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1cbd5ec R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff920001ffe5a R15: ffffc90000fff2d2
FS:  00007f4f68be36c0(0000) GS:ffff88808ca94000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4f68be2ff8 CR3: 00000000413a6000 CR4: 0000000000352ef0