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 PTI CPU: 0 UID: 0 PID: 113 Comm: jfsCommit Not tainted 6.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:txUnlock+0xd45/0xdb0 fs/jfs/jfs_txnmgr.c:931 Code: fe e9 0e fe ff ff e8 8a 82 6c fe 48 c7 c7 20 c4 c2 8b 48 c7 c6 19 c0 c2 8b ba a3 03 00 00 48 c7 c1 00 d1 c2 8b e8 0b 18 21 08 <0f> 0b e8 64 82 6c fe 48 c7 c7 20 c4 c2 8b 48 c7 c6 19 c0 c2 8b ba RSP: 0018:ffffc90002ccfce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff110030d59c7 RCX: 61972c45f6c72600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8172039c R09: 1ffff92000599f3c R10: dffffc0000000000 R11: fffff52000599f3d R12: ffff8880294f81d0 R13: ffffc90002832000 R14: ffff8880186ace38 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffa72f020c0 CR3: 0000000051cbe000 CR4: 00000000003506f0 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+0xd45/0xdb0 fs/jfs/jfs_txnmgr.c:931 Code: fe e9 0e fe ff ff e8 8a 82 6c fe 48 c7 c7 20 c4 c2 8b 48 c7 c6 19 c0 c2 8b ba a3 03 00 00 48 c7 c1 00 d1 c2 8b e8 0b 18 21 08 <0f> 0b e8 64 82 6c fe 48 c7 c7 20 c4 c2 8b 48 c7 c6 19 c0 c2 8b ba RSP: 0018:ffffc90002ccfce8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 1ffff110030d59c7 RCX: 61972c45f6c72600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8172039c R09: 1ffff92000599f3c R10: dffffc0000000000 R11: fffff52000599f3d R12: ffff8880294f81d0 R13: ffffc90002832000 R14: ffff8880186ace38 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffa72f020c0 CR3: 0000000051cbe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400