syzbot


WARNING in __cfg80211_connect_result

Status: auto-obsoleted due to no activity on 2022/09/14 19:03
Reported-by: syzbot+cc4c0f394e2611edba66@syzkaller.appspotmail.com
First crash: 818d, last: 502d

Cause bisection: introduced by (bisect log) :
commit e7096c131e5161fa3b8e52a650d7719d2857adfd
Author: Jason A. Donenfeld <Jason@zx2c4.com>
Date: Sun Dec 8 23:27:34 2019 +0000

  net: WireGuard secure network tunnel

Crash: WARNING in __cfg80211_connect_result (log)
Repro: syz .config

Fix bisection: the fix commit could be any of (bisect log):
  e3ec1e8ca02b net: eliminate meaningless memcpy to data in pskb_carve_inside_nonlinear()
  ffbbc5e5c717 Merge branch 'rmnet-checksums-part-2'
Patch testing requests:
Created Duration User Patch Repo Result
2022/09/14 16:29 15m net-next OK log
2021/08/14 11:28 9m phind.uet@gmail.com linux-next report log

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 234 at net/wireless/sme.c:757 __cfg80211_connect_result+0xf71/0x13a0 net/wireless/sme.c:757
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 234 Comm: kworker/u4:5 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: cfg80211 cfg80211_event_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x4a kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:__cfg80211_connect_result+0xf71/0x13a0 net/wireless/sme.c:757
Code: 89 be ac 02 00 00 48 c7 c7 60 0f 18 89 c6 05 ef ba 2b 03 01 e8 f5 4a d9 f9 e9 4f f6 ff ff e8 d6 cc f2 f9 0f 0b e8 cf cc f2 f9 <0f> 0b e9 0c f2 ff ff e8 c3 cc f2 f9 e8 2e bb 71 00 31 ff 89 c3 89
RSP: 0018:ffffc900019c7bb8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88808ae13000 RCX: ffffffff87816922
RDX: ffff8880a8b0a540 RSI: ffffffff878174b1 RDI: 0000000000000005
RBP: ffff88807be34818 R08: 0000000000000001 R09: ffffffff8c5f1a3f
R10: 0000000000000000 R11: 1ffffffff1835405 R12: 0000000000000000
R13: ffff88807be34828 R14: ffff88808ae13200 R15: ffff88807be34820
 cfg80211_process_wdev_events+0x2c6/0x5b0 net/wireless/util.c:893
 cfg80211_process_rdev_events+0x6e/0x100 net/wireless/util.c:934
 cfg80211_event_work+0x1a/0x20 net/wireless/core.c:320
 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2020/08/19 15:01 net-next e3ec1e8ca02b e1c29030 .config log report syz
ci-upstream-net-this-kasan-gce 2020/09/21 01:46 net f13d783a184e 9564d2e9 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/19 12:31 net f13d783a184e 53ce8104 .config log report info
ci-upstream-net-this-kasan-gce 2020/09/17 18:48 net fd944dc24336 8247808b .config log report info
ci-upstream-net-this-kasan-gce 2020/09/17 05:37 net d5d325eae782 8247808b .config log report info
ci-upstream-net-this-kasan-gce 2020/07/08 14:43 net 1ca0fafd73c5 51095195 .config log report
ci-upstream-net-this-kasan-gce 2020/07/06 17:30 net 1ca0fafd73c5 51095195 .config log report
ci-upstream-net-kasan-gce 2020/08/19 10:22 net-next e3ec1e8ca02b e1c29030 .config log report
ci-upstream-net-kasan-gce 2020/08/19 07:29 net-next e3ec1e8ca02b e1c29030 .config log report
ci-upstream-net-kasan-gce 2020/07/11 16:26 net-next a594920f8747 18d18b59 .config log report
ci-upstream-net-kasan-gce 2020/07/07 23:04 net-next e44f65fd666c 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/04 14:32 net-next e44f65fd666c 51095195 .config log report
ci-upstream-net-kasan-gce 2020/07/03 19:47 net-next 23212a700773 bed10395 .config log report
ci-upstream-net-kasan-gce 2020/07/01 23:36 net-next 2b04a6615615 39acb39d .config log report
* Struck through repros no longer work on HEAD.