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: 1 PID: 104 Comm: jfsCommit Not tainted 6.2.0-rc7-syzkaller-00013-g513c1a3d3f19 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:txUnlock.cold+0x8a/0xaa fs/jfs/jfs_txnmgr.c:926 Code: 65 42 f8 ff 0f 0b e8 ad ce b6 f7 48 c7 c1 00 42 89 8a ba 9e 03 00 00 48 c7 c6 80 41 89 8a 48 c7 c7 c0 41 89 8a e8 3f 42 f8 ff <0f> 0b e8 87 ce b6 f7 0f b7 74 24 14 48 89 da 48 c7 c7 e0 40 89 8a RSP: 0018:ffffc90002d0fd80 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc90002882090 RCX: 0000000000000000 RDX: ffff888018ef1d40 RSI: ffffffff816610ec RDI: fffff520005a1fa2 RBP: ffff8880760797c0 R08: 0000000000000037 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f504fb13140 CR3: 000000000c48e000 CR4: 0000000000350ee0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2677 [inline] jfs_lazycommit+0x6fd/0xaa0 fs/jfs/jfs_txnmgr.c:2727 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock.cold+0x8a/0xaa fs/jfs/jfs_txnmgr.c:926 Code: 65 42 f8 ff 0f 0b e8 ad ce b6 f7 48 c7 c1 00 42 89 8a ba 9e 03 00 00 48 c7 c6 80 41 89 8a 48 c7 c7 c0 41 89 8a e8 3f 42 f8 ff <0f> 0b e8 87 ce b6 f7 0f b7 74 24 14 48 89 da 48 c7 c7 e0 40 89 8a RSP: 0018:ffffc90002d0fd80 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc90002882090 RCX: 0000000000000000 RDX: ffff888018ef1d40 RSI: ffffffff816610ec RDI: fffff520005a1fa2 RBP: ffff8880760797c0 R08: 0000000000000037 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f504fb13140 CR3: 000000002864c000 CR4: 0000000000350ee0