BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:932! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 115 Comm: jfsCommit Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: da fd 90 0f 0b e8 b1 64 74 fe 48 c7 c7 60 97 c5 8b 48 c7 c6 59 93 c5 8b ba a4 03 00 00 48 c7 c1 60 a4 c5 8b e8 22 56 da fd 90 <0f> 0b e8 8a 64 74 fe 48 c7 c7 60 97 c5 8b 48 c7 c6 59 93 c5 8b ba RSP: 0018:ffffc90002777b88 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: d825c9e2e66fc400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900029aa0d8 R08: ffffc900027778a7 R09: 1ffff920004eef14 R10: dffffc0000000000 R11: fffff520004eef15 R12: dffffc0000000000 R13: 1ffff1100f103f4b R14: ffff88807881fa58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125d25000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555792285c8 CR3: 00000000350ce000 CR4: 00000000003526f0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x584/0xa90 fs/jfs/jfs_txnmgr.c:2734 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: da fd 90 0f 0b e8 b1 64 74 fe 48 c7 c7 60 97 c5 8b 48 c7 c6 59 93 c5 8b ba a4 03 00 00 48 c7 c1 60 a4 c5 8b e8 22 56 da fd 90 <0f> 0b e8 8a 64 74 fe 48 c7 c7 60 97 c5 8b 48 c7 c6 59 93 c5 8b ba RSP: 0018:ffffc90002777b88 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: d825c9e2e66fc400 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900029aa0d8 R08: ffffc900027778a7 R09: 1ffff920004eef14 R10: dffffc0000000000 R11: fffff520004eef15 R12: dffffc0000000000 R13: 1ffff1100f103f4b R14: ffff88807881fa58 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f98249b7198 CR3: 0000000031d1c000 CR4: 00000000003526f0