netdev - Re: [syzbot] [wireless?] WARNING in ieee80211_rx

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <677a67b1.050a0220.380ff0.000f.GAE@google.com>
Date: Sun, 05 Jan 2025 03:06:25 -0800
From: syzbot <syzbot+b4aa2b672b18f1d4dc5f@...kaller.appspotmail.com>
To: davem@...emloft.net, edumazet@...gle.com, johannes@...solutions.net, 
	kuba@...nel.org, linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org, 
	netdev@...r.kernel.org, pabeni@...hat.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [wireless?] WARNING in ieee80211_rx_list (3)

syzbot has found a reproducer for the following issue on:

HEAD commit:    ab75170520d4 Merge tag 'linux-watchdog-6.13-rc6' of git://..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17cf96f8580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=dc863cc90857c683
dashboard link: https://syzkaller.appspot.com/bug?extid=b4aa2b672b18f1d4dc5f
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=1773aedf980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=127a5418580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-ab751705.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/c985fcba8fed/vmlinux-ab751705.xz
kernel image: https://storage.googleapis.com/syzbot-assets/3aa019bd3c16/bzImage-ab751705.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b4aa2b672b18f1d4dc5f@...kaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 3 PID: 34 at net/mac80211/rx.c:5382 ieee80211_rx_list+0x15e0/0x2970 net/mac80211/rx.c:5382
Modules linked in:
CPU: 3 UID: 0 PID: 34 Comm: ksoftirqd/3 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ieee80211_rx_list+0x15e0/0x2970 net/mac80211/rx.c:5382
Code: f6 51 5b fe 48 85 c0 0f 85 0a 01 00 00 e8 68 8c f0 f6 48 89 df e8 c0 f4 5a fe e8 5b 8c f0 f6 e9 d1 ee ff ff e8 51 8c f0 f6 90 <0f> 0b 90 e9 d8 ee ff ff e8 43 8c f0 f6 44 89 ef e8 db 69 d3 ff 31
RSP: 0018:ffffc900006dfb18 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8aa97661
RDX: ffff88801defc880 RSI: ffffffff8aa989bf RDI: 0000000000000001
RBP: ffff88802e33eb40 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888030b1b0c8
R13: ffff88802e33ec18 R14: ffff888030b18e40 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88806a900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b88c6c8 CR3: 000000002ceaa000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_rx_napi+0xdd/0x400 net/mac80211/rx.c:5492
 ieee80211_rx include/net/mac80211.h:5166 [inline]
 ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:441
 tasklet_action_common+0x251/0x3f0 kernel/softirq.c:811
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 run_ksoftirqd kernel/softirq.c:950 [inline]
 run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942
 smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>


---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.