Re: [syzbot] [nfs?] [net?] KASAN: vmalloc-out-of-bounds Read in rpc_queue_upcall

From: syzbot

Date: Mon Sep 07 2026 - 15:33:33 EST


Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+d5c77cabf7a3492aa650@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+d5c77cabf7a3492aa650@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 5965280c SUNRPC: fix netns use-after-free in write_gss..
git tree: git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git nfsd-testing
console output: https://syzkaller.appspot.com/x/log.txt?x=1374eaf9580000
kernel config: https://syzkaller.appspot.com/x/.config?x=8c5c3949d762a91f
dashboard link: https://syzkaller.appspot.com/bug?extid=d5c77cabf7a3492aa650
compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.