BUG at fs/jfs/jfs_txnmgr.c:933 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:933! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 119 Comm: jfsCommit Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:txUnlock+0xda1/0xdf0 fs/jfs/jfs_txnmgr.c:933 Code: c7 fd 90 0f 0b e8 df 9f 65 fe 48 c7 c7 a0 f1 0b 8c 48 c7 c6 99 ed 0b 8c ba a5 03 00 00 48 c7 c1 a0 fe 0b 8c e8 30 3c c7 fd 90 <0f> 0b e8 b8 9f 65 fe 48 c7 c7 a0 f1 0b 8c 48 c7 c6 99 ed 0b 8c ba RSP: 0018:ffffc90002647c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 985a55b170816900 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028aa510 R08: ffffc900026479c7 R09: 1ffff920004c8f38 R10: dffffc0000000000 R11: fffff520004c8f39 R12: dffffc0000000000 R13: 1ffff110069adaee R14: ffff888034d6d770 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88812535c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb1c85a1000 CR3: 0000000057a78000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x582/0xaa0 fs/jfs/jfs_txnmgr.c:2735 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:txUnlock+0xda1/0xdf0 fs/jfs/jfs_txnmgr.c:933 Code: c7 fd 90 0f 0b e8 df 9f 65 fe 48 c7 c7 a0 f1 0b 8c 48 c7 c6 99 ed 0b 8c ba a5 03 00 00 48 c7 c1 a0 fe 0b 8c e8 30 3c c7 fd 90 <0f> 0b e8 b8 9f 65 fe 48 c7 c7 a0 f1 0b 8c 48 c7 c6 99 ed 0b 8c ba RSP: 0018:ffffc90002647c48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 985a55b170816900 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc900028aa510 R08: ffffc900026479c7 R09: 1ffff920004c8f38 R10: dffffc0000000000 R11: fffff520004c8f39 R12: dffffc0000000000 R13: 1ffff110069adaee R14: ffff888034d6d770 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88812535c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe09bc21368 CR3: 000000003be9a000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400