BUG at fs/jfs/jfs_txnmgr.c:931 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:931! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 2 PID: 135 Comm: jfsCommit Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:txUnlock+0xcb7/0xd10 fs/jfs/jfs_txnmgr.c:931 Code: e9 87 f6 ff ff e8 19 96 83 fe 48 c7 c1 00 f0 6a 8b ba a3 03 00 00 48 c7 c6 80 ef 6a 8b 48 c7 c7 c0 ef 6a 8b e8 0a 32 64 fe 90 <0f> 0b e8 b2 c2 e0 fe e9 dd f5 ff ff e8 e8 95 83 fe 48 c7 c1 40 ef RSP: 0018:ffffc9000278fd48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc900022f2240 RCX: ffffffff816f41b9 RDX: 0000000000000000 RSI: ffffffff816fcdb6 RDI: 0000000000000005 RBP: ffff888000448000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000008 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f742b954 CR3: 0000000058438000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x730/0xb20 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xcb7/0xd10 fs/jfs/jfs_txnmgr.c:931 Code: e9 87 f6 ff ff e8 19 96 83 fe 48 c7 c1 00 f0 6a 8b ba a3 03 00 00 48 c7 c6 80 ef 6a 8b 48 c7 c7 c0 ef 6a 8b e8 0a 32 64 fe 90 <0f> 0b e8 b2 c2 e0 fe e9 dd f5 ff ff e8 e8 95 83 fe 48 c7 c1 40 ef RSP: 0018:ffffc9000278fd48 EFLAGS: 00010286 RAX: 0000000000000037 RBX: ffffc900022f2240 RCX: ffffffff816f41b9 RDX: 0000000000000000 RSI: ffffffff816fcdb6 RDI: 0000000000000005 RBP: ffff888000448000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000008 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88802c300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020574000 CR3: 0000000058438000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400