Tlock: ffffc900028d20d8: 00010004 202088c4 5bd06ba0 ffff8880
Tlock: ffffc900028d20e8: 699cb270 ffff8880 01140000 05000010
Tlock: ffffc900028d20f8: 00000001 0000002f 00000000 00000000
Tlock: ffffc900028d2108: 00000000 00000000 00000000 00000000
Tlock: ffffc900028d2118: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:834!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5049 Comm: syz.0.15 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:txLock+0x1af1/0x1b10 fs/jfs/jfs_txnmgr.c:834
Code: 8a 48 c7 c6 80 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 b3 bb 0d 01 48 83 c4 10 <0f> 0b e8 98 50 aa fe 4c 89 ff 48 c7 c6 e0 68 42 8a e8 89 bb dc fe
RSP: 0018:ffffc9000327f648 EFLAGS: 00010286
RAX: 0537126a1f157d00 RBX: 0000000000000002 RCX: ffff88807db40000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900028d20da R08: dffffc0000000000 R09: fffff5200064fdf9
R10: fffff5200064fdf9 R11: 1ffff9200064fdf8 R12: 1ffff9200051a41b
R13: dffffc0000000000 R14: 0000000000002020 R15: 0000000000000010
FS:  00007f373e7696c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f82c5759000 CR3: 000000005bce3000 CR4: 00000000003506f0
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
 vfs_create+0x2db/0x460 fs/namei.c:3170
 do_mknodat+0x39d/0x620 fs/namei.c:4002
 __do_sys_mknodat fs/namei.c:4030 [inline]
 __se_sys_mknodat fs/namei.c:4027 [inline]
 __x64_sys_mknodat+0xa5/0xc0 fs/namei.c:4027
 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: 0033:0x7f373f50c849
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:00007f373e769058 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f373f6d2080 RCX: 00007f373f50c849
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000005
RBP: 00007f373f57f986 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000700 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f373f6d2080 R15: 00007ffcabd515a8
 </TASK>
Modules linked in:
---[ end trace 7ab0e11740f33964 ]---
RIP: 0010:txLock+0x1af1/0x1b10 fs/jfs/jfs_txnmgr.c:834
Code: 8a 48 c7 c6 80 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 b3 bb 0d 01 48 83 c4 10 <0f> 0b e8 98 50 aa fe 4c 89 ff 48 c7 c6 e0 68 42 8a e8 89 bb dc fe
RSP: 0018:ffffc9000327f648 EFLAGS: 00010286
RAX: 0537126a1f157d00 RBX: 0000000000000002 RCX: ffff88807db40000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900028d20da R08: dffffc0000000000 R09: fffff5200064fdf9
R10: fffff5200064fdf9 R11: 1ffff9200064fdf8 R12: 1ffff9200051a41b
R13: dffffc0000000000 R14: 0000000000002020 R15: 0000000000000010
FS:  00007f373e7696c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f82c5759000 CR3: 000000005bce3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400