Tlock: ffffc9000357a288: 0004000a 80018804 50f5e138 ffff8880
Tlock: ffffc9000357a298: 3d933ec0 ffff8880 01140000 07002000
Tlock: ffffc9000357a2a8: 5dc40100 ffff8880 00000000 01000001
Tlock: ffffc9000357a2b8: 00000001 0000072d 00000000 00000000
Tlock: ffffc9000357a2c8: 00000000 00000000
------------[ cut here ]------------
kernel BUG at fs/jfs/jfs_txnmgr.c:835!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 9886 Comm: syz.0.611 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 60 4d 24 8b 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 14 59 3c 01 48 83 c4 10 90 <0f> 0b e8 98 06 81 fe 4c 89 ff 48 c7 c6 a0 55 24 8b e8 e9 f1 e9 fd
RSP: 0000:ffffc90005176e00 EFLAGS: 00010286
RAX: a5898dda3d9af800 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90010a84000 RSI: 000000000002350f RDI: 0000000000023510
RBP: ffffc90005176f28 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed101712487b R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff920006af451 R15: ffffc9000357a28a
FS:  00007f70b8af46c0(0000) GS:ffff888126ef6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000006000 CR3: 0000000027128000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 xtSplitRoot+0x6ea/0x1030 fs/jfs/jfs_xtree.c:1297
 xtSplitUp+0x33a/0x1f40 fs/jfs/jfs_xtree.c:785
 xtInsert+0x415/0xe30 fs/jfs/jfs_xtree.c:608
 extAlloc+0xa9a/0xfb0 fs/jfs/jfs_extent.c:150
 jfs_get_block+0x346/0xab0 fs/jfs/inode.c:254
 __block_write_begin_int+0x6b5/0x1900 fs/buffer.c:2145
 block_write_begin+0x8a/0x120 fs/buffer.c:2256
 jfs_write_begin+0x35/0x80 fs/jfs/inode.c:306
 generic_perform_write+0x29d/0x8c0 mm/filemap.c:4254
 generic_file_write_iter+0x118/0x550 mm/filemap.c:4397
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x5d5/0xb40 fs/read_write.c:686
 ksys_pwrite64 fs/read_write.c:793 [inline]
 __do_sys_pwrite64 fs/read_write.c:801 [inline]
 __se_sys_pwrite64 fs/read_write.c:798 [inline]
 __x64_sys_pwrite64+0x196/0x220 fs/read_write.c:798
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f70ba8cf749
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:00007f70b8af4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f70bab26180 RCX: 00007f70ba8cf749
RDX: 000000000000ff10 RSI: 0000200000000140 RDI: 000000000000000d
RBP: 00007f70ba953f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000008000c61 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f70bab26218 R14: 00007f70bab26180 R15: 00007fffab932758
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1c61/0x1cb0 fs/jfs/jfs_txnmgr.c:835
Code: 48 c7 c6 60 4d 24 8b 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 14 59 3c 01 48 83 c4 10 90 <0f> 0b e8 98 06 81 fe 4c 89 ff 48 c7 c6 a0 55 24 8b e8 e9 f1 e9 fd
RSP: 0000:ffffc90005176e00 EFLAGS: 00010286
RAX: a5898dda3d9af800 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90010a84000 RSI: 000000000002350f RDI: 0000000000023510
RBP: ffffc90005176f28 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed101712487b R12: 0000000000000010
R13: dffffc0000000000 R14: 1ffff920006af451 R15: ffffc9000357a28a
FS:  00007f70b8af46c0(0000) GS:ffff888126ef6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000006000 CR3: 0000000027128000 CR4: 00000000003526f0