syzbot


WARNING in ieee80211_ibss_csa_beacon

Status: upstream: reported C repro on 2020/10/08 07:40
Reported-by: syzbot+b6c9fe29aefe68e4ad34@syzkaller.appspotmail.com
First crash: 635d, last: 3h27m

Cause bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in ieee80211_ibss_csa_beacon syz error 539 4h28m 589d 0/1 upstream: reported syz repro on 2020/11/22 05:50
linux-4.14 WARNING in ieee80211_ibss_csa_beacon C 1 17d 603d 0/1 upstream: reported C repro on 2020/11/08 18:28

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 215 at net/mac80211/ibss.c:504 ieee80211_ibss_csa_beacon+0x4e9/0x5a0 net/mac80211/ibss.c:504
Modules linked in:
CPU: 1 PID: 215 Comm: kworker/u4:4 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy7 ieee80211_csa_finalize_work
RIP: 0010:ieee80211_ibss_csa_beacon+0x4e9/0x5a0 net/mac80211/ibss.c:504
Code: e8 6c 7b 8b f8 b8 f4 ff ff ff eb 0a e8 60 7b 8b f8 b8 00 01 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 47 7b 8b f8 <0f> 0b b8 ea ff ff ff eb e3 e8 39 7b 8b f8 0f 0b e9 88 fb ff ff 48
RSP: 0018:ffffc900010ffbf0 EFLAGS: 00010293
RAX: ffffffff88ed9309 RBX: ffff88802e7f3450 RCX: ffff888012220000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88803506d8ba R08: dffffc0000000000 R09: fffffbfff1f296cc
R10: fffffbfff1f296cc R11: 0000000000000000 R12: ffff88803506d8c0
R13: ffff88802e7f0580 R14: ffff88803506cc00 R15: ffff88803506d8e0
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f206f039718 CR3: 000000000c48e000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3122 [inline]
 __ieee80211_csa_finalize net/mac80211/cfg.c:3178 [inline]
 ieee80211_csa_finalize+0x46f/0x960 net/mac80211/cfg.c:3201
 ieee80211_csa_finalize_work+0xfb/0x140 net/mac80211/cfg.c:3226
 process_one_work+0x789/0xfd0 kernel/workqueue.c:2275
 worker_thread+0xac1/0x1300 kernel/workqueue.c:2421
 kthread+0x39a/0x3c0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Crashes (3234):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/03/24 19:30 upstream 7acac4b3196c 607e3baf .config log report syz C WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2021/04/17 17:24 linux-next 1216f02e46a4 7e2b734b .config log report syz C WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2020/12/05 02:27 upstream e87297fa080a 20366b87 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/04/16 09:45 upstream 7e25f40eab52 c59079a6 .config log report syz WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/04 20:05 upstream c1084b6c5620 bff65f44 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2022/07/04 18:58 upstream c1084b6c5620 bff65f44 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2022/07/04 16:48 upstream 88084a3df167 bff65f44 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/04 15:13 upstream 88084a3df167 bff65f44 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2022/07/04 12:39 upstream 88084a3df167 bff65f44 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2022/07/04 08:52 upstream 88084a3df167 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2022/07/04 06:35 upstream 88084a3df167 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/04 04:54 upstream 88084a3df167 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2022/07/04 03:17 upstream 88084a3df167 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2022/07/03 22:28 upstream 20855e4cb361 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/03 17:51 upstream 69cb6c6556ad 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2022/07/03 16:49 upstream 69cb6c6556ad 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2022/07/03 15:34 upstream 69cb6c6556ad 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/03 13:19 upstream 69cb6c6556ad 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/03 04:29 upstream 34074da5424c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/03 03:19 upstream 34074da5424c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/03 01:30 upstream 34074da5424c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/03 00:20 upstream 34074da5424c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/02 23:17 upstream 34074da5424c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/02 18:49 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2022/07/02 13:13 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2022/07/02 07:42 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/02 06:23 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/02 05:00 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2022/07/02 04:19 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/02 03:18 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/01 22:09 upstream a175eca0f3d7 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2022/07/01 17:24 upstream a175eca0f3d7 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/07/01 15:21 upstream a175eca0f3d7 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/07/01 14:10 upstream a175eca0f3d7 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2022/07/01 11:49 upstream a175eca0f3d7 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/06/30 22:54 upstream 1a0e93df1e10 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/06/30 21:44 upstream 1a0e93df1e10 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2022/06/30 20:25 upstream 1a0e93df1e10 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/06/30 19:08 upstream 1a0e93df1e10 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/06/30 14:00 upstream d9b2ba67917c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/06/30 08:58 upstream d9b2ba67917c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/06/30 05:11 upstream d9b2ba67917c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/06/29 21:25 upstream d9b2ba67917c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/06/29 20:02 upstream d9b2ba67917c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2022/06/29 17:42 upstream d9b2ba67917c 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/06/29 16:05 upstream 941e3e791269 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2022/06/29 14:54 upstream 941e3e791269 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2022/06/28 22:10 upstream 941e3e791269 496a8536 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2022/06/28 20:45 upstream 941e3e791269 496a8536 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream-386 2022/07/04 11:01 upstream 88084a3df167 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-386 2022/07/03 20:07 upstream 69cb6c6556ad 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream-386 2022/07/02 11:36 upstream 089866061428 1434eec0 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-386 2022/06/29 01:25 upstream 941e3e791269 496a8536 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-386 2022/06/28 23:07 upstream 941e3e791269 496a8536 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-net-this-kasan-gce 2022/04/10 11:21 net 8d3a6c37d50d e22c3da3 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-net-kasan-gce 2022/03/23 10:02 net-next 2af7e566a861 5ff41e94 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2022/07/04 13:45 linux-next cb71b93c2dc3 bff65f44 .config log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2020/10/07 17:35 upstream c85fb28b6f99 1880b4a9 .config log report info
ci-upstream-kasan-gce-386 2021/01/17 02:55 upstream 0da0a8a0a0e1 65a7a854 .config log report info