Locker's tblock: ffffc90002611320: 00000004 0000001c 00000008 00000000
Tlock: ffffc90002832090: 00010003 20208040 72c543e0 ffff8880
Tlock: ffffc900028320a0: 572a2930 ffff8880 03140000 05002000
Tlock: ffffc900028320b0: 06030a00 0000020d 00000000 00000000
Tlock: ffffc900028320c0: 00000000 00000000 00000000 00000000
Tlock: ffffc900028320d0: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:834!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5178 Comm: syz.2.21 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:txLock+0x1af1/0x1b10 fs/jfs/jfs_txnmgr.c:834
Code: 8a 48 c7 c6 80 2a 42 8a ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 08 6a 00 6a 48 e8 73 b0 0d 01 48 83 c4 10 <0f> 0b e8 f8 ad aa fe 4c 89 ff 48 c7 c6 e0 30 42 8a e8 b9 18 dd fe
RSP: 0018:ffffc9000384f3c8 EFLAGS: 00010282
RAX: ffb485a51c5c6c00 RBX: 0000000000000002 RCX: ffff88807c1c1dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002832092 R08: dffffc0000000000 R09: fffff52000709da9
R10: fffff52000709da9 R11: 1ffff92000709da8 R12: 1ffff92000506412
R13: dffffc0000000000 R14: 0000000000002001 R15: 0000000000000010
FS:  00007f5e626c96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e626c8f98 CR3: 000000001fbae000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dtInsert+0x861/0x57a0 fs/jfs/jfs_dtree.c:884
 jfs_create+0x69d/0xa50 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x11e1/0x2f30 fs/namei.c:3739
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x142/0x4a0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5e6346a819
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5e626c9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5e63622080 RCX: 00007f5e6346a819
RDX: 000000000000275a RSI: 00000000200010c0 RDI: ffffffffffffff9c
RBP: 00007f5e634dd75e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f5e63622080 R15: 00007ffdca6db008
 </TASK>
Modules linked in:
---[ end trace 0eb3fdaf6166aac1 ]---
RIP: 0010:txLock+0x1af1/0x1b10 fs/jfs/jfs_txnmgr.c:834
Code: 8a 48 c7 c6 80 2a 42 8a ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 08 6a 00 6a 48 e8 73 b0 0d 01 48 83 c4 10 <0f> 0b e8 f8 ad aa fe 4c 89 ff 48 c7 c6 e0 30 42 8a e8 b9 18 dd fe
RSP: 0018:ffffc9000384f3c8 EFLAGS: 00010282
RAX: ffb485a51c5c6c00 RBX: 0000000000000002 RCX: ffff88807c1c1dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002832092 R08: dffffc0000000000 R09: fffff52000709da9
R10: fffff52000709da9 R11: 1ffff92000709da8 R12: 1ffff92000506412
R13: dffffc0000000000 R14: 0000000000002001 R15: 0000000000000010
FS:  00007f5e626c96c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e626c8f98 CR3: 000000001fbae000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400