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: 0 UID: 0 PID: 104 Comm: jfsCommit Not tainted 6.13.0-rc3-syzkaller-00026-g59dbb9d81adf #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:txUnlock+0xd46/0xdb0 fs/jfs/jfs_txnmgr.c:931 Code: e9 0e fe ff ff e8 0a e3 6a fe 48 c7 c7 c0 88 42 8c 48 c7 c6 b9 84 42 8c ba a3 03 00 00 48 c7 c1 c0 95 42 8c e8 bb 75 d2 fd 90 <0f> 0b e8 e3 e2 6a fe 48 c7 c7 c0 88 42 8c 48 c7 c6 b9 84 42 8c ba RSP: 0018:ffffc900018cfce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff110001807e6 RCX: e00ad18fde939400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff817f0a4c R09: 1ffff92000319f38 R10: dffffc0000000000 R11: fffff52000319f39 R12: ffff8880531019d0 R13: ffffc90001557000 R14: ffff888000c03f30 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003000 CR3: 0000000011ef8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x5f4/0xb80 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/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+0xd46/0xdb0 fs/jfs/jfs_txnmgr.c:931 Code: e9 0e fe ff ff e8 0a e3 6a fe 48 c7 c7 c0 88 42 8c 48 c7 c6 b9 84 42 8c ba a3 03 00 00 48 c7 c1 c0 95 42 8c e8 bb 75 d2 fd 90 <0f> 0b e8 e3 e2 6a fe 48 c7 c7 c0 88 42 8c 48 c7 c6 b9 84 42 8c ba RSP: 0018:ffffc900018cfce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff110001807e6 RCX: e00ad18fde939400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff817f0a4c R09: 1ffff92000319f38 R10: dffffc0000000000 R11: fffff52000319f39 R12: ffff8880531019d0 R13: ffffc90001557000 R14: ffff888000c03f30 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003000 CR3: 0000000011ef8000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400