BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 108 Comm: jfsCommit Not tainted 6.7.0-rc7-syzkaller-00049-g453f5db0619e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:txUnlock+0xcb7/0xd10 fs/jfs/jfs_txnmgr.c:931 Code: e9 87 f6 ff ff e8 39 58 8b fe 48 c7 c1 00 f9 0a 8b ba a3 03 00 00 48 c7 c6 80 f8 0a 8b 48 c7 c7 c0 f8 0a 8b e8 4a 34 6e fe 90 <0f> 0b e8 62 3e e1 fe e9 dd f5 ff ff e8 08 58 8b fe 48 c7 c1 40 f8 RSP: 0018:ffffc90002c5fd48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc900027c2168 RCX: ffffffff816957c9 RDX: 0000000000000000 RSI: ffffffff8169dc72 RDI: 0000000000000005 RBP: ffff88802a1700f8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000005 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3608b8e000 CR3: 000000007b8d4000 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+0x724/0xb10 fs/jfs/jfs_txnmgr.c:2732 kthread+0x2c6/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xcb7/0xd10 fs/jfs/jfs_txnmgr.c:931 Code: e9 87 f6 ff ff e8 39 58 8b fe 48 c7 c1 00 f9 0a 8b ba a3 03 00 00 48 c7 c6 80 f8 0a 8b 48 c7 c7 c0 f8 0a 8b e8 4a 34 6e fe 90 <0f> 0b e8 62 3e e1 fe e9 dd f5 ff ff e8 08 58 8b fe 48 c7 c1 40 f8 RSP: 0018:ffffc90002c5fd48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc900027c2168 RCX: ffffffff816957c9 RDX: 0000000000000000 RSI: ffffffff8169dc72 RDI: 0000000000000005 RBP: ffff88802a1700f8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000005 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3608b8e000 CR3: 000000007b8d4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400