Re: [syzbot] [bpf?] WARNING: ODEBUG bug in tcx_uninstall

From: Daniel Borkmann
Date: Thu Jul 20 2023 - 20:52:37 EST


On 7/20/23 5:06 PM, syzbot wrote:
Hello,

syzbot found the following issue on:

HEAD commit: 03b123debcbc tcp: tcp_enter_quickack_mode() should be static
git tree: net-next
console+strace: https://syzkaller.appspot.com/x/log.txt?x=17ac9ffaa80000
kernel config: https://syzkaller.appspot.com/x/.config?x=32e3dcc11fd0d297
dashboard link: https://syzkaller.appspot.com/bug?extid=14736e249bce46091c18
compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=133f36c6a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a8e73aa80000

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/348462fb61fa/disk-03b123de.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/33375730f77f/vmlinux-03b123de.xz
kernel image: https://storage.googleapis.com/syzbot-assets/b6882fbac041/bzImage-03b123de.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+14736e249bce46091c18@xxxxxxxxxxxxxxxxxxxxxxxxx

Thanks, I'll take a look this evening.