syzbot

Locker's tblock: ffffc90002628310: 02628310 ffffc900 02628310 ffffc900
Locker's tblock: ffffc90002628320: 00000004 00000024 00000023 00000000
Tlock: ffffc900028490d8: 00010004 202088c4 7fc15d90 ffff8880
Tlock: ffffc900028490e8: 77540430 ffff8880 01140000 05000010
Tlock: ffffc900028490f8: 00000001 0000002f 00000000 00000000
Tlock: ffffc90002849108: 00000000 00000000 00000000 00000000
Tlock: ffffc90002849118: 00000000 00000000
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kernel BUG at fs/jfs/jfs_txnmgr.c:834!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 5069 Comm: syz-executor201 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:txLock+0x1ed3/0x21a0 fs/jfs/jfs_txnmgr.c:834
Code: 48 c7 c6 00 3c e2 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 20 6a 00 6a 48 e8 52 e6 7a 01 48 83 c4 10 90 <0f> 0b e8 56 4e 72 fe 4c 89 f7 48 c7 c6 00 44 e2 8b e8 67 33 b8 fe
RSP: 0018:ffffc9000431f340 EFLAGS: 00010282
RAX: 48dda4629d120c00 RBX: 0000000000000010 RCX: ffff888026889e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000431f490 R08: ffffffff8175c06c R09: fffffbfff1bf9650
R10: dffffc0000000000 R11: fffffbfff1bf9650 R12: 1ffff9200050921b
R13: ffff88807757dc80 R14: 000000000000001b R15: ffffc900028490da
FS:  00007f7083b726c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f707c5ff000 CR3: 0000000023ae4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dtSplitRoot+0x430/0x1930 fs/jfs/jfs_dtree.c:1924
 dtSplitUp fs/jfs/jfs_dtree.c:990 [inline]
 dtInsert+0x12fa/0x6b00 fs/jfs/jfs_dtree.c:868
 jfs_create+0x7ba/0xb90 fs/jfs/namei.c:137
 vfs_create+0x23c/0x390 fs/namei.c:3199
 do_mknodat+0x44a/0x5b0 fs/namei.c:4051
 __do_sys_mknodat fs/namei.c:4082 [inline]
 __se_sys_mknodat fs/namei.c:4079 [inline]
 __x64_sys_mknodat+0xa9/0xc0 fs/namei.c:4079
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f7083bdcc59
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7083b72218 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f7083c6a6d8 RCX: 00007f7083bdcc59
RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 00007f7083c6a6d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000700 R11: 0000000000000246 R12: 00007f7083c3106b
R13: 0030656c69662f2e R14: 7261637369646f6e R15: 6573726168636f69
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1ed3/0x21a0 fs/jfs/jfs_txnmgr.c:834
Code: 48 c7 c6 00 3c e2 8b ba 01 00 00 00 b9 10 00 00 00 41 b8 04 00 00 00 4c 8b 4c 24 20 6a 00 6a 48 e8 52 e6 7a 01 48 83 c4 10 90 <0f> 0b e8 56 4e 72 fe 4c 89 f7 48 c7 c6 00 44 e2 8b e8 67 33 b8 fe
RSP: 0018:ffffc9000431f340 EFLAGS: 00010282
RAX: 48dda4629d120c00 RBX: 0000000000000010 RCX: ffff888026889e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000431f490 R08: ffffffff8175c06c R09: fffffbfff1bf9650
R10: dffffc0000000000 R11: fffffbfff1bf9650 R12: 1ffff9200050921b
R13: ffff88807757dc80 R14: 000000000000001b R15: ffffc900028490da
FS:  00007f7083b726c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f707c5ff000 CR3: 0000000023ae4000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400