Locker's tblock: ffffc900025a1410: 8a425c80 ffffffff 00000200 00000000
Locker's tblock: ffffc900025a1420: 025a1420 ffffc900 025a1420 ffffc900
Locker's tblock: ffffc900025a1430: 00000004 0000001c 00000007 00000000
Tlock: ffffc900027c22d0: 00040000 80018804 75da5d90 ffff8880
Tlock: ffffc900027c22e0: 74b3e9f0 ffff8880 02140000 07002000
Tlock: ffffc900027c22f0: 01000104 00000000 00000000 00000000
Tlock: ffffc900027c2300: 00000000 00000000 00000000 00000000
Tlock: ffffc900027c2310: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:835!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5399 Comm: syz.4.158 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:txLock+0x1af1/0x1b10 fs/jfs/jfs_txnmgr.c:835
Code: 8a 48 c7 c6 c0 62 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 b7 0d 01 48 83 c4 10 <0f> 0b e8 58 59 aa fe 4c 89 ff 48 c7 c6 20 69 42 8a e8 c9 c4 dc fe
RSP: 0018:ffffc9000390f268 EFLAGS: 00010282
RAX: 0a9385645c6cfc00 RBX: 0000000000000003 RCX: 0000000000080000
RDX: ffffc9000f81e000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900027c22d2 R08: dffffc0000000000 R09: fffff52000721d7d
R10: fffff52000721d7d R11: 1ffff92000721d7c R12: 1ffff920004f845a
R13: dffffc0000000000 R14: 0000000000002020 R15: 0000000000000010
FS:  00007f612a7466c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555e5daf23b8 CR3: 00000000760ba000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dtSplitRoot+0x34f/0x1510 fs/jfs/jfs_dtree.c:1927
 dtSplitUp fs/jfs/jfs_dtree.c:993 [inline]
 dtInsert+0xe20/0x57a0 fs/jfs/jfs_dtree.c:871
 jfs_create+0x69d/0xa50 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3470 [inline]
 open_last_lookups fs/namei.c:3540 [inline]
 path_openat+0x11e1/0x2f30 fs/namei.c:3747
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3777
 do_sys_openat2+0x142/0x4a0 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 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: 0033:0x7f612c500749
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:00007f612a746038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f612c757090 RCX: 00007f612c500749
RDX: 000000000000275a RSI: 0000200000000200 RDI: ffffffffffffff9c
RBP: 00007f612c584f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f612c757128 R14: 00007f612c757090 R15: 00007ffcc88e8e58
 </TASK>
Modules linked in:
---[ end trace 7360da449df87121 ]---
RIP: 0010:txLock+0x1af1/0x1b10 fs/jfs/jfs_txnmgr.c:835
Code: 8a 48 c7 c6 c0 62 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 b7 0d 01 48 83 c4 10 <0f> 0b e8 58 59 aa fe 4c 89 ff 48 c7 c6 20 69 42 8a e8 c9 c4 dc fe
RSP: 0018:ffffc9000390f268 EFLAGS: 00010282
RAX: 0a9385645c6cfc00 RBX: 0000000000000003 RCX: 0000000000080000
RDX: ffffc9000f81e000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900027c22d2 R08: dffffc0000000000 R09: fffff52000721d7d
R10: fffff52000721d7d R11: 1ffff92000721d7c R12: 1ffff920004f845a
R13: dffffc0000000000 R14: 0000000000002020 R15: 0000000000000010
FS:  00007f612a7466c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555e5daf23b8 CR3: 00000000760ba000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400