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: 1 UID: 0 PID: 115 Comm: jfsCommit Not tainted 6.13.0-rc3-syzkaller-00193-ge9b8ffafd20a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:txUnlock+0xd46/0xdb0 fs/jfs/jfs_txnmgr.c:931 Code: e9 0e fe ff ff e8 1a e4 6a fe 48 c7 c7 00 8a 42 8c 48 c7 c6 f9 85 42 8c ba a3 03 00 00 48 c7 c1 00 97 42 8c e8 cb 76 d2 fd 90 <0f> 0b e8 f3 e3 6a fe 48 c7 c7 00 8a 42 8c 48 c7 c6 f9 85 42 8c ba RSP: 0018:ffffc90002de7ce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff11005fdb2b0 RCX: 1402cf455c06de00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff817f0a4c R09: fffffbfff1cfa210 R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: ffff8880353091d0 R13: ffffc9000295a000 R14: ffff88802fed9580 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffc38f3e48 CR3: 000000002a2b6000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2682 [inline] jfs_lazycommit+0x5f4/0xb80 fs/jfs/jfs_txnmgr.c:2733 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/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 1a e4 6a fe 48 c7 c7 00 8a 42 8c 48 c7 c6 f9 85 42 8c ba a3 03 00 00 48 c7 c1 00 97 42 8c e8 cb 76 d2 fd 90 <0f> 0b e8 f3 e3 6a fe 48 c7 c7 00 8a 42 8c 48 c7 c6 f9 85 42 8c ba RSP: 0018:ffffc90002de7ce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff11005fdb2b0 RCX: 1402cf455c06de00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff817f0a4c R09: fffffbfff1cfa210 R10: dffffc0000000000 R11: fffffbfff1cfa210 R12: ffff8880353091d0 R13: ffffc9000295a000 R14: ffff88802fed9580 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffc38f3e48 CR3: 000000002a2b6000 CR4: 0000000000350ef0