BUG at fs/jfs/jfs_txnmgr.c:926 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:926! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 105 Comm: jfsCommit Not tainted 6.2.0-syzkaller-13154-g857f1268a591 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:926 Code: 58 b1 a6 07 0f 0b e8 d1 dd 7d fe 48 c7 c7 40 67 41 8b 48 c7 c6 79 63 41 8b ba 9e 03 00 00 48 c7 c1 20 74 41 8b e8 32 b1 a6 07 <0f> 0b e8 ab dd 7d fe 48 c7 c7 40 67 41 8b 48 c7 c6 79 63 41 8b ba RSP: 0018:ffffc90002cefd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: 3811ebda896f9b00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888024846d90 R08: ffffffff816fd91c R09: fffff5200059df59 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888029ff51d0 R13: ffff8880227ea094 R14: ffffc90002852000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffef947ff0c CR3: 000000007e9c1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2677 [inline] jfs_lazycommit+0x5d4/0xb70 fs/jfs/jfs_txnmgr.c:2727 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:926 Code: 58 b1 a6 07 0f 0b e8 d1 dd 7d fe 48 c7 c7 40 67 41 8b 48 c7 c6 79 63 41 8b ba 9e 03 00 00 48 c7 c1 20 74 41 8b e8 32 b1 a6 07 <0f> 0b e8 ab dd 7d fe 48 c7 c7 40 67 41 8b 48 c7 c6 79 63 41 8b ba RSP: 0018:ffffc90002cefd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: 3811ebda896f9b00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff888024846d90 R08: ffffffff816fd91c R09: fffff5200059df59 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888029ff51d0 R13: ffff8880227ea094 R14: ffffc90002852000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffef947ff0c CR3: 000000003f5a8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400