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 NOPTI CPU: 0 UID: 0 PID: 112 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+0xa29/0xb20 fs/jfs/jfs_txnmgr.c:932 Code: e9 69 fd ff ff e8 47 4b 67 fe 48 c7 c1 c0 2e d0 8b ba a4 03 00 00 48 c7 c6 00 2e d0 8b 48 c7 c7 40 2e d0 8b e8 e8 df 44 fe 90 <0f> 0b e8 b0 2b d0 fe e9 6b f8 ff ff e8 16 4b 67 fe 48 c7 c1 c0 2d RSP: 0018:ffffc90002dc7c58 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc9000293a0d8 RCX: ffffffff819c8fa5 RDX: 0000000000000000 RSI: ffffffff819d0b89 RDI: 0000000000000005 RBP: ffff8880764e8ba0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: ffff88801cf1a9b0 R12: 0000000000000004 R13: 0000000000000000 R14: 0000000000000003 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffec56ad78 CR3: 00000000277de000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x741/0xb30 fs/jfs/jfs_txnmgr.c:2734 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 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+0xa29/0xb20 fs/jfs/jfs_txnmgr.c:932 Code: e9 69 fd ff ff e8 47 4b 67 fe 48 c7 c1 c0 2e d0 8b ba a4 03 00 00 48 c7 c6 00 2e d0 8b 48 c7 c7 40 2e d0 8b e8 e8 df 44 fe 90 <0f> 0b e8 b0 2b d0 fe e9 6b f8 ff ff e8 16 4b 67 fe 48 c7 c1 c0 2d RSP: 0018:ffffc90002dc7c58 EFLAGS: 00010282 RAX: 0000000000000037 RBX: ffffc9000293a0d8 RCX: ffffffff819c8fa5 RDX: 0000000000000000 RSI: ffffffff819d0b89 RDI: 0000000000000005 RBP: ffff8880764e8ba0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: ffff88801cf1a9b0 R12: 0000000000000004 R13: 0000000000000000 R14: 0000000000000003 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffec56ad78 CR3: 00000000277de000 CR4: 0000000000350ef0