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WARNING in ieee80211_ibss_csa_beacon

Status: upstream: reported C repro on 2020/11/22 05:50
Reported-by: syzbot+492b55475c5c790d1eed@syzkaller.appspotmail.com
First crash: 925d, last: 90d

Fix bisection: failed (error log, bisect log)
▶ ▼ Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_ibss_csa_beacon wireless C error 4997 101d 970d 24/24 fixed on 2023/02/24 13:50
linux-4.14 WARNING in ieee80211_ibss_csa_beacon C 1 107d 938d 0/1 upstream: reported C repro on 2020/11/08 18:28
linux-5.15 WARNING in ieee80211_ibss_csa_beacon 132 2d12h 88d 0/3 upstream: reported on 2023/03/09 07:07
upstream WARNING in ieee80211_ibss_csa_beacon (2) wireless 991 4h09m 97d 0/24 upstream: reported on 2023/02/28 16:41
linux-6.1 WARNING in ieee80211_ibss_csa_beacon 56 2d06h 89d 0/3 upstream: reported on 2023/03/08 04:59

Sample crash report:
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2905 at net/mac80211/ibss.c:506 ieee80211_ibss_csa_beacon.cold+0x11/0x36 net/mac80211/ibss.c:506
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2905 Comm: kworker/u4:4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: phy3 ieee80211_csa_finalize_work
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:ieee80211_ibss_csa_beacon.cold+0x11/0x36 net/mac80211/ibss.c:506
Code: 94 57 df ff 0f 0b 48 8d 85 c0 fd ff ff 48 89 85 e0 fc ff ff e9 b3 b1 86 ff e8 0f 26 4e f9 48 c7 c7 40 73 67 89 e8 6e 57 df ff <0f> 0b 41 bd ea ff ff ff e9 22 c0 86 ff e8 f1 25 4e f9 48 c7 c7 40
RSP: 0018:ffff8880abcafc70 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffff888094295540 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1015795f80
RBP: 0000000000000002 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: ffff888094296060 R14: ffff8880a2011000 R15: ffff888094295a70
 ieee80211_set_after_csa_beacon net/mac80211/cfg.c:2936 [inline]
 __ieee80211_csa_finalize+0x6cc/0xde0 net/mac80211/cfg.c:2992
 ieee80211_csa_finalize net/mac80211/cfg.c:3015 [inline]
 ieee80211_csa_finalize_work+0x124/0x160 net/mac80211/cfg.c:3040
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1037):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Manager Title
2022/12/03 13:31 linux-4.19.y 3f8a27f9e27b e080de16 .config console log report syz C [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2020/11/22 05:49 linux-4.19.y 2c746135a12e 0d27f508 .config console log report syz ci2-linux-4-19
2023/03/07 02:21 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/03/06 13:04 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/03/05 20:07 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/03/03 04:38 linux-4.19.y 3f8a27f9e27b f8902b57 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/03/01 09:44 linux-4.19.y 3f8a27f9e27b ef65e6cb .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/03/01 08:23 linux-4.19.y 3f8a27f9e27b ef65e6cb .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/28 21:58 linux-4.19.y 3f8a27f9e27b 95aee97a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/27 08:32 linux-4.19.y 3f8a27f9e27b 9189cb53 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/26 23:36 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/26 16:16 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/26 10:00 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/25 20:55 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/25 09:45 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/25 03:33 linux-4.19.y 3f8a27f9e27b ee50e71c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/23 12:06 linux-4.19.y 3f8a27f9e27b 9e2ebb3c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/23 10:58 linux-4.19.y 3f8a27f9e27b 9e2ebb3c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/22 14:31 linux-4.19.y 3f8a27f9e27b 9f1e2cb3 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/20 16:23 linux-4.19.y 3f8a27f9e27b bcdf85f8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/20 03:33 linux-4.19.y 3f8a27f9e27b bcdf85f8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/19 00:45 linux-4.19.y 3f8a27f9e27b bcdf85f8 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/18 06:26 linux-4.19.y 3f8a27f9e27b d02e9a70 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/17 18:37 linux-4.19.y 3f8a27f9e27b cf8c2d39 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/17 17:12 linux-4.19.y 3f8a27f9e27b cf8c2d39 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/17 11:54 linux-4.19.y 3f8a27f9e27b 3e7039f4 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/17 10:50 linux-4.19.y 3f8a27f9e27b 3e7039f4 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/16 22:26 linux-4.19.y 3f8a27f9e27b 851bc19a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/15 11:52 linux-4.19.y 3f8a27f9e27b e62ba3c1 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/15 05:50 linux-4.19.y 3f8a27f9e27b e62ba3c1 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/14 01:27 linux-4.19.y 3f8a27f9e27b 93ae7e0a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/12 12:17 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/12 05:34 linux-4.19.y 3f8a27f9e27b 93e26d60 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/07 20:21 linux-4.19.y 3f8a27f9e27b 15c3d445 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/06 14:31 linux-4.19.y 3f8a27f9e27b 0a9c11b6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/05 11:48 linux-4.19.y 3f8a27f9e27b be607b78 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/04 14:41 linux-4.19.y 3f8a27f9e27b be607b78 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/04 08:36 linux-4.19.y 3f8a27f9e27b 1b2f701a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/03 14:49 linux-4.19.y 3f8a27f9e27b 1b2f701a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/03 12:59 linux-4.19.y 3f8a27f9e27b 1b2f701a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/03 11:50 linux-4.19.y 3f8a27f9e27b 1b2f701a .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/03 03:28 linux-4.19.y 3f8a27f9e27b 33fc5c09 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/02 15:32 linux-4.19.y 3f8a27f9e27b 16d19e30 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/02 06:08 linux-4.19.y 3f8a27f9e27b 9a6f477c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/02/01 00:18 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/01/30 12:15 linux-4.19.y 3f8a27f9e27b b68fb8d6 .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/01/29 20:20 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/01/29 17:31 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/01/29 06:47 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2023/01/28 23:18 linux-4.19.y 3f8a27f9e27b 9dfcf09c .config console log report info [disk image] [vmlinux] ci2-linux-4-19 WARNING in ieee80211_ibss_csa_beacon
2021/01/13 11:28 linux-4.19.y 675cc038067f a945f0a3 .config console log report info ci2-linux-4-19
* Struck through repros no longer work on HEAD.