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: 0 UID: 0 PID: 126 Comm: jfsCommit Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 RIP: 0010:txUnlock+0xd95/0xde0 fs/jfs/jfs_txnmgr.c:933 Code: a5 fd 90 0f 0b e8 6b 43 47 fe 48 c7 c7 60 c7 6e 8c 48 c7 c6 59 c3 6e 8c ba a5 03 00 00 48 c7 c1 60 d4 6e 8c e8 bc e2 a5 fd 90 <0f> 0b e8 44 43 47 fe 48 c7 c7 60 c7 6e 8c 48 c7 c6 59 c3 6e 8c ba RSP: 0018:ffffc90002d9fc48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff88803706cc48 RCX: 7dc88e27b2893900 RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000 RBP: 1ffff11006e0d989 R08: ffffc90002d9f9c7 R09: 1ffff920005b3f38 R10: dffffc0000000000 R11: fffff520005b3f39 R12: ffffc900028f2048 R13: dffffc0000000000 R14: 0000000000000009 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881233fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34f15ff8 CR3: 000000005df9c000 CR4: 00000000003526f0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2684 [inline] jfs_lazycommit+0x59f/0xac0 fs/jfs/jfs_txnmgr.c:2735 kthread+0x38b/0x480 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+0xd95/0xde0 fs/jfs/jfs_txnmgr.c:933 Code: a5 fd 90 0f 0b e8 6b 43 47 fe 48 c7 c7 60 c7 6e 8c 48 c7 c6 59 c3 6e 8c ba a5 03 00 00 48 c7 c1 60 d4 6e 8c e8 bc e2 a5 fd 90 <0f> 0b e8 44 43 47 fe 48 c7 c7 60 c7 6e 8c 48 c7 c6 59 c3 6e 8c ba RSP: 0018:ffffc90002d9fc48 EFLAGS: 00010246 RAX: 0000000000000037 RBX: ffff88803706cc48 RCX: 7dc88e27b2893900 RDX: 0000000000000000 RSI: 8000000000000000 RDI: 0000000000000000 RBP: 1ffff11006e0d989 R08: ffffc90002d9f9c7 R09: 1ffff920005b3f38 R10: dffffc0000000000 R11: fffff520005b3f39 R12: ffffc900028f2048 R13: dffffc0000000000 R14: 0000000000000009 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881233fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34f11ff8 CR3: 000000007fe6c000 CR4: 00000000003526f0