BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 114 Comm: jfsCommit Not tainted 6.10.0-syzkaller-12888-g5437f30d3458 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:txUnlock+0xd46/0xdb0 fs/jfs/jfs_txnmgr.c:931 Code: e9 0e fe ff ff e8 1a aa 6d fe 48 c7 c7 60 f4 22 8c 48 c7 c6 59 f0 22 8c ba a3 03 00 00 48 c7 c1 40 01 23 8c e8 8b fc 83 08 90 <0f> 0b e8 f3 a9 6d fe 48 c7 c7 60 f4 22 8c 48 c7 c6 59 f0 22 8c ba RSP: 0018:ffffc90002cafce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff1100f16710d RCX: b99373859c4bdc00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8173defc R09: 1ffff92000595f3c R10: dffffc0000000000 R11: fffff52000595f3d R12: ffff88802a8bb9d0 R13: ffffc90002812000 R14: ffff888078b38868 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdc7c7a4900 CR3: 000000002d8fc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x5f4/0xb80 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xd46/0xdb0 fs/jfs/jfs_txnmgr.c:931 Code: e9 0e fe ff ff e8 1a aa 6d fe 48 c7 c7 60 f4 22 8c 48 c7 c6 59 f0 22 8c ba a3 03 00 00 48 c7 c1 40 01 23 8c e8 8b fc 83 08 90 <0f> 0b e8 f3 a9 6d fe 48 c7 c7 60 f4 22 8c 48 c7 c6 59 f0 22 8c ba RSP: 0018:ffffc90002cafce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff1100f16710d RCX: b99373859c4bdc00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8173defc R09: 1ffff92000595f3c R10: dffffc0000000000 R11: fffff52000595f3d R12: ffff88802a8bb9d0 R13: ffffc90002812000 R14: ffff888078b38868 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdc7c7a4900 CR3: 00000000789b2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400