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: 116 Comm: jfsCommit Not tainted 6.1.46-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: 61 db 7a 07 0f 0b e8 d1 fa 81 fe 48 c7 c7 40 90 24 8b 48 c7 c6 39 8c 24 8b ba a3 03 00 00 48 c7 c1 20 9d 24 8b e8 3b db 7a 07 <0f> 0b e8 ab fa 81 fe 48 c7 c7 40 90 24 8b 48 c7 c6 39 8c 24 8b ba RSP: 0018:ffffc90002d1fd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: c9bbc55a66ec0100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807d340d90 R08: ffffffff816db4cc R09: fffff520005a3f59 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c23d1d0 R13: ffff88809782fe94 R14: ffffc90002872000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc011059000 CR3: 00000000663d9000 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+0x5d0/0xb60 fs/jfs/jfs_txnmgr.c:2732 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xc6e/0xca0 fs/jfs/jfs_txnmgr.c:931 Code: 61 db 7a 07 0f 0b e8 d1 fa 81 fe 48 c7 c7 40 90 24 8b 48 c7 c6 39 8c 24 8b ba a3 03 00 00 48 c7 c1 20 9d 24 8b e8 3b db 7a 07 <0f> 0b e8 ab fa 81 fe 48 c7 c7 40 90 24 8b 48 c7 c6 39 8c 24 8b ba RSP: 0018:ffffc90002d1fd08 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000000000 RCX: c9bbc55a66ec0100 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff88807d340d90 R08: ffffffff816db4cc R09: fffff520005a3f59 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c23d1d0 R13: ffff88809782fe94 R14: ffffc90002872000 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5b6d40b000 CR3: 00000000663d9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400