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: 107 Comm: jfsCommit Not tainted 6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:txUnlock+0xcb4/0xd10 fs/jfs/jfs_txnmgr.c:931 Code: fe e9 89 f6 ff ff e8 4b 44 8c fe 48 c7 c1 40 01 cb 8a ba a3 03 00 00 48 c7 c6 c0 00 cb 8a 48 c7 c7 00 01 cb 8a e8 3c 66 6f fe <0f> 0b e8 55 19 e2 fe e9 e0 f5 ff ff e8 1b 44 8c fe 48 c7 c1 80 00 RSP: 0018:ffffc900025cfd48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc90002812048 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816b9992 RDI: 0000000000000005 RBP: ffff88802723a8b8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 00000000000259a0 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f727000 CR3: 0000000019753000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x724/0xb10 fs/jfs/jfs_txnmgr.c:2732 kthread+0x33c/0x440 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: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 4b 44 8c fe 48 c7 c1 40 01 cb 8a ba a3 03 00 00 48 c7 c6 c0 00 cb 8a 48 c7 c7 00 01 cb 8a e8 3c 66 6f fe <0f> 0b e8 55 19 e2 fe e9 e0 f5 ff ff e8 1b 44 8c fe 48 c7 c1 80 00 RSP: 0018:ffffc900025cfd48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc90002812048 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816b9992 RDI: 0000000000000005 RBP: ffff88802723a8b8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 00000000000259a0 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f727000 CR3: 000000003040d000 CR4: 0000000000350ef0