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: 107 Comm: jfsCommit Not tainted 6.4.0-rc4-syzkaller-00268-g51f269a6ecc7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:926 Code: d8 8f a1 07 0f 0b e8 e1 e0 7f fe 48 c7 c7 00 7e 21 8b 48 c7 c6 39 7a 21 8b ba 9e 03 00 00 48 c7 c1 e0 8a 21 8b e8 b2 8f a1 07 <0f> 0b e8 bb e0 7f fe 48 c7 c7 00 7e 21 8b 48 c7 c6 39 7a 21 8b ba RSP: 0018:ffffc900015e7d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: d46a055f60749c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807ae3dd90 R08: ffffffff816f004c R09: fffff520002bcf55 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802cfb49d0 R13: ffff88801e990094 R14: ffffc90002892000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f5d5d0fff0 CR3: 000000002a611000 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+0x2b8/0x350 kernel/kthread.c:379 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: d8 8f a1 07 0f 0b e8 e1 e0 7f fe 48 c7 c7 00 7e 21 8b 48 c7 c6 39 7a 21 8b ba 9e 03 00 00 48 c7 c1 e0 8a 21 8b e8 b2 8f a1 07 <0f> 0b e8 bb e0 7f fe 48 c7 c7 00 7e 21 8b 48 c7 c6 39 7a 21 8b ba RSP: 0018:ffffc900015e7d08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: d46a055f60749c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807ae3dd90 R08: ffffffff816f004c R09: fffff520002bcf55 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88802cfb49d0 R13: ffff88801e990094 R14: ffffc90002892000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f5d5d0bbc8 CR3: 000000002a623000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400