Tlock: ffffc900028090d8: 00010004 202088c4 20b70ba0 ffff8880 Tlock: ffffc900028090e8: 668f2930 ffff8880 01140000 05000010 Tlock: ffffc900028090f8: 00000001 0000002f 00000000 00000000 Tlock: ffffc90002809108: 00000000 00000000 00000000 00000000 Tlock: ffffc90002809118: 00000000 00000000 ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:834! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5504 Comm: syz-executor.0 Not tainted 6.7.0-rc8-syzkaller-00119-g1f874787ed9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:txLock+0x1ddd/0x2120 fs/jfs/jfs_txnmgr.c:834 Code: 89 e9 41 b8 04 00 00 00 b9 10 00 00 00 6a 00 ba 01 00 00 00 48 c7 c6 e0 32 0b 8b 48 c7 c7 20 32 0b 8b 6a 48 e8 84 69 65 01 90 <0f> 0b 48 8b 7c 24 20 e8 67 09 e1 fe e9 2d f5 ff ff 4c 89 ff e8 1a RSP: 0018:ffffc900050ff420 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffffff8d53d960 RCX: ffffffff84627d1c RDX: fffff52000a1fe59 RSI: ffffffff84627dd3 RDI: 0000000000000006 RBP: ffffc900028090d8 R08: 0000000000000006 R09: 0000000000000050 R10: 0000000000000048 R11: 0000000000000001 R12: 0000000000000003 R13: 0000000000000010 R14: ffffc900028090da R15: ffff888020b70ba0 FS: 00007fd3728ee6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3728eed58 CR3: 0000000020157000 CR4: 0000000000350ef0 Call Trace: dtSplitRoot+0x491/0x1760 fs/jfs/jfs_dtree.c:1919 dtSplitUp+0x1298/0x5850 fs/jfs/jfs_dtree.c:985 dtInsert+0x872/0xb00 fs/jfs/jfs_dtree.c:863 jfs_create+0x63c/0xb40 fs/jfs/namei.c:137 vfs_create fs/namei.c:3179 [inline] vfs_create+0x4be/0x730 fs/namei.c:3163 do_mknodat+0x3d1/0x5d0 fs/namei.c:4034 __do_sys_mknodat fs/namei.c:4062 [inline] __se_sys_mknodat fs/namei.c:4059 [inline] __x64_sys_mknodat+0xad/0xe0 fs/namei.c:4059 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fd371c7cba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007fd3728ee0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000103 RAX: ffffffffffffffda RBX: 00007fd371d9c050 RCX: 00007fd371c7cba9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007fd371cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000700 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd371d9c050 R15: 00007ffc865b6738 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txLock+0x1ddd/0x2120 fs/jfs/jfs_txnmgr.c:834 Code: 89 e9 41 b8 04 00 00 00 b9 10 00 00 00 6a 00 ba 01 00 00 00 48 c7 c6 e0 32 0b 8b 48 c7 c7 20 32 0b 8b 6a 48 e8 84 69 65 01 90 <0f> 0b 48 8b 7c 24 20 e8 67 09 e1 fe e9 2d f5 ff ff 4c 89 ff e8 1a RSP: 0018:ffffc900050ff420 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffffff8d53d960 RCX: ffffffff84627d1c RDX: fffff52000a1fe59 RSI: ffffffff84627dd3 RDI: 0000000000000006 RBP: ffffc900028090d8 R08: 0000000000000006 R09: 0000000000000050 R10: 0000000000000048 R11: 0000000000000001 R12: 0000000000000003 R13: 0000000000000010 R14: ffffc900028090da R15: ffff888020b70ba0 FS: 00007fd3728ee6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd3728eed58 CR3: 0000000020157000 CR4: 0000000000350ef0