BUG at fs/jfs/jfs_txnmgr.c:662 assert(last)
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kernel BUG at fs/jfs/jfs_txnmgr.c:662!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 9894 Comm: syz.7.473 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:662
Code: e9 6a f8 ff ff e8 ae 7a 74 fe 48 c7 c7 e0 9a 6a 8b 48 c7 c6 d9 96 6a 8b ba 96 02 00 00 48 c7 c1 00 9c 6a 8b e8 2f c1 d8 fd 90 <0f> 0b e8 87 7a 74 fe 48 c7 c7 c0 9c 6a 8b e8 1b c1 d8 fd 48 c7 c7
RSP: 0018:ffffc9000600f760 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 411466d64c3fe500
RDX: ffffc9000d181000 RSI: 0000000000000b7e RDI: 0000000000000b7f
RBP: ffffc9000600f888 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000c01e9d R12: 1ffff9200069c400
R13: ffffc900034e2000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f0ae39356c0(0000) GS:ffff888126695000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31bffff8 CR3: 000000003fe8c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 diWrite+0x444/0x1f40 fs/jfs/jfs_imap.c:654
 txCommit+0x869/0x5410 fs/jfs/jfs_txnmgr.c:1256
 jfs_mknod+0x7fd/0x9d0 fs/jfs/namei.c:1428
 vfs_mknod+0x44e/0x620 fs/namei.c:5092
 filename_mknodat+0x3cf/0x670 fs/namei.c:-1
 __do_sys_mknod fs/namei.c:5179 [inline]
 __se_sys_mknod+0x3a/0x150 fs/namei.c:5176
 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: 0033:0x7f0ae56fbf79
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:00007f0ae3935028 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007f0ae5976090 RCX: 00007f0ae56fbf79
RDX: 0000000002000008 RSI: 000000000000c000 RDI: 0000200000000340
RBP: 00007f0ae57927e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0ae5976128 R14: 00007f0ae5976090 R15: 00007ffd64ec4dd8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b92/0x1cc0 fs/jfs/jfs_txnmgr.c:662
Code: e9 6a f8 ff ff e8 ae 7a 74 fe 48 c7 c7 e0 9a 6a 8b 48 c7 c6 d9 96 6a 8b ba 96 02 00 00 48 c7 c1 00 9c 6a 8b e8 2f c1 d8 fd 90 <0f> 0b e8 87 7a 74 fe 48 c7 c7 c0 9c 6a 8b e8 1b c1 d8 fd 48 c7 c7
RSP: 0018:ffffc9000600f760 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: 411466d64c3fe500
RDX: ffffc9000d181000 RSI: 0000000000000b7e RDI: 0000000000000b7f
RBP: ffffc9000600f888 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000c01e9d R12: 1ffff9200069c400
R13: ffffc900034e2000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f0ae39356c0(0000) GS:ffff888126695000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31bffff8 CR3: 000000003fe8c000 CR4: 00000000003526f0