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: 1 UID: 0 PID: 110 Comm: jfsCommit Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 RIP: 0010:txUnlock+0xdaf/0xdf0 fs/jfs/jfs_txnmgr.c:932 Code: cf fd 90 0f 0b e8 71 95 6c fe 48 c7 c7 e0 e4 ea 8b 48 c7 c6 d9 e0 ea 8b ba a4 03 00 00 48 c7 c1 e0 f1 ea 8b e8 d2 ce cf fd 90 <0f> 0b e8 4a 95 6c fe 48 c7 c7 e0 e4 ea 8b 48 c7 c6 d9 e0 ea 8b ba RSP: 0018:ffffc90002717bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: e16c135916168c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000293a048 R08: ffffc90002717947 R09: 1ffff920004e2f28 R10: dffffc0000000000 R11: fffff520004e2f29 R12: dffffc0000000000 R13: 1ffff1100f30756a R14: ffff88807983ab50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881257f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd8a960028 CR3: 00000000281d9000 CR4: 0000000000350ef0 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2683 [inline] jfs_lazycommit+0x582/0xaa0 fs/jfs/jfs_txnmgr.c:2734 kthread+0x726/0x8b0 kernel/kthread.c:463 ret_from_fork+0x51b/0xa40 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: cf fd 90 0f 0b e8 71 95 6c fe 48 c7 c7 e0 e4 ea 8b 48 c7 c6 d9 e0 ea 8b ba a4 03 00 00 48 c7 c1 e0 f1 ea 8b e8 d2 ce cf fd 90 <0f> 0b e8 4a 95 6c fe 48 c7 c7 e0 e4 ea 8b 48 c7 c6 d9 e0 ea 8b ba RSP: 0018:ffffc90002717bc8 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: e16c135916168c00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000293a048 R08: ffffc90002717947 R09: 1ffff920004e2f28 R10: dffffc0000000000 R11: fffff520004e2f29 R12: dffffc0000000000 R13: 1ffff1100f30756a R14: ffff88807983ab50 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881256f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f68abaff8 CR3: 0000000060f9f000 CR4: 0000000000350ef0