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: 0 PID: 106 Comm: jfsCommit Not tainted 6.5.0-rc5-syzkaller-00029-g14f9643dc90a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:txUnlock+0xcb4/0xd10 fs/jfs/jfs_txnmgr.c:931 Code: fe e9 89 f6 ff ff e8 5b 56 90 fe 48 c7 c1 40 fa a9 8a ba a3 03 00 00 48 c7 c6 c0 f9 a9 8a 48 c7 c7 00 fa a9 8a e8 1c b8 73 fe <0f> 0b e8 05 82 e3 fe e9 e0 f5 ff ff e8 2b 56 90 fe 48 c7 c1 80 f9 RSP: 0000:ffffc90002d0fd58 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc90002862090 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81691740 RDI: 0000000000000005 RBP: ffff88802c0300f8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f134ee6d6a0 CR3: 000000002de7c000 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+0x726/0xb20 fs/jfs/jfs_txnmgr.c:2732 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xcb4/0xd10 fs/jfs/jfs_txnmgr.c:931 Code: fe e9 89 f6 ff ff e8 5b 56 90 fe 48 c7 c1 40 fa a9 8a ba a3 03 00 00 48 c7 c6 c0 f9 a9 8a 48 c7 c7 00 fa a9 8a e8 1c b8 73 fe <0f> 0b e8 05 82 e3 fe e9 e0 f5 ff ff e8 2b 56 90 fe 48 c7 c1 80 f9 RSP: 0000:ffffc90002d0fd58 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc90002862090 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81691740 RDI: 0000000000000005 RBP: ffff88802c0300f8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f134e995ed8 CR3: 000000000c776000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400