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WARNING in ieee80211_ibss_csa_beacon

Status: fixed on 2023/02/24 13:50
Subsystems: wireless (incorrect?)
Reported-by: syzbot+b6c9fe29aefe68e4ad34@syzkaller.appspotmail.com
Fix commit: 15bc8966b6d3 wifi: mac80211: Don't finalize CSA in IBSS mode if state is disconnected
First crash: 904d, last: 35d

Cause bisection: failed (error log, bisect log)
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in ieee80211_ibss_csa_beacon C error 1037 24d 859d 0/1 upstream: reported C repro on 2020/11/22 05:50
linux-4.14 WARNING in ieee80211_ibss_csa_beacon C 1 41d 872d 0/1 upstream: reported C repro on 2020/11/08 18:28
linux-5.15 WARNING in ieee80211_ibss_csa_beacon 22 17h02m 22d 0/3 upstream: reported on 2023/03/09 07:07
upstream WARNING in ieee80211_ibss_csa_beacon (2) wireless 273 4h14m 30d 0/24 upstream: reported on 2023/02/28 16:41
linux-6.1 WARNING in ieee80211_ibss_csa_beacon 13 19h53m 23d 0/3 upstream: reported on 2023/03/08 04:59
Last patch testing requests:
Created Duration User Patch Repo Result
2022/08/24 19:08 19m code@siddh.me https://github.com/siddhpant/linux.git warning_ibss_csa_beacon OK log
2022/08/18 19:30 9m code@siddh.me https://github.com/siddhpant/linux.git warning_ibss_csa_beacon error
2022/08/12 05:13 10m code@siddh.me https://github.com/siddhpant/linux.git warning_ibss_csa_beacon error
2022/08/11 06:41 10m code@siddh.me https://github.com/siddhpant/linux.git warning_ibss_csa_beacon error
2022/08/10 11:36 10m code@siddh.me patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master error

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 (4997):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets Title
ci-upstream-kasan-gce-smack-root 2021/03/24 19:30 upstream 7acac4b3196c 607e3baf .config console 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 console log report syz C WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2020/12/05 02:27 upstream e87297fa080a 20366b87 .config console log report syz C
ci-upstream-kasan-gce-selinux-root 2021/04/16 09:45 upstream 7e25f40eab52 c59079a6 .config console log report syz WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/24 01:14 upstream a5c95ca18a98 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2023/02/23 21:49 upstream a5c95ca18a98 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/23 20:48 upstream a5c95ca18a98 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/23 19:38 upstream a5c95ca18a98 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/23 08:49 upstream d8ca6dbb8de7 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/23 07:30 upstream d8ca6dbb8de7 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2023/02/23 03:49 upstream d8ca6dbb8de7 409945bc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/23 02:42 upstream d8ca6dbb8de7 409945bc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/22 13:59 upstream 5b7c4cabbb65 409945bc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2023/02/22 02:22 upstream 4a7d37e824f5 42a4d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/22 01:12 upstream 4a7d37e824f5 42a4d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/21 23:53 upstream 4a7d37e824f5 42a4d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2023/02/21 22:39 upstream 4a7d37e824f5 42a4d508 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/21 12:10 upstream 89f5349e0673 f949448d .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2023/02/21 04:15 upstream 91bc559d8d3a 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2023/02/21 02:04 upstream 91bc559d8d3a 4f5f5209 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/21 00:45 upstream 91bc559d8d3a 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/20 22:26 upstream 91bc559d8d3a 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2023/02/20 16:38 upstream c9c3395d5e3d 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/20 15:06 upstream c9c3395d5e3d 4f5f5209 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/20 02:18 upstream c9c3395d5e3d bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/19 22:44 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/19 18:45 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/19 15:17 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/19 12:27 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/19 10:23 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2023/02/19 08:47 upstream 925cf0457d7e bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2023/02/19 02:36 upstream 5e725d112e1a bcdf85f8 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2023/02/18 22:51 upstream 38f8ccde04a3 bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/18 21:23 upstream 38f8ccde04a3 bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/18 19:47 upstream 38f8ccde04a3 bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/18 11:17 upstream dbeed98d89ea d02e9a70 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2023/02/18 09:48 upstream dbeed98d89ea d02e9a70 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2023/02/18 04:43 upstream 03dad2f0c781 d02e9a70 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-selinux-root 2023/02/18 03:29 upstream dbeed98d89ea 3e7039f4 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream 2023/02/17 11:56 upstream ec35307e18ba 3e7039f4 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-root 2023/02/17 03:23 upstream 3ac88fa4605e 851bc19a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce 2023/02/16 13:25 upstream 033c40a89f55 7338e3c4 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-386 2023/02/24 10:37 upstream d2980d8d8265 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream-386 2023/02/24 05:52 upstream d2980d8d8265 630c6bc9 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream-386 2023/02/22 08:08 upstream 69308402ca6f 42a4d508 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream-386 2023/02/21 16:35 upstream 89f5349e0673 ec0a9fe9 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-qemu-upstream-386 2023/02/21 06:28 upstream 91bc559d8d3a 2414209c .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-386 2023/02/20 00:28 upstream c9c3395d5e3d bcdf85f8 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-386 2023/02/16 05:35 upstream 033c40a89f55 6be0f1f5 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-net-this-kasan-gce 2022/08/03 01:53 net c67cc4315a8e 1c9013ac .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-net-kasan-gce 2022/03/23 10:02 net-next 2af7e566a861 5ff41e94 .config console log report info WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/23 13:52 linux-next 0222aa9800b2 9e2ebb3c .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/22 14:30 linux-next aaf70d5ad5e2 409945bc .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/18 06:24 linux-next c068f40300a0 d02e9a70 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/17 18:16 linux-next c068f40300a0 3e7039f4 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/17 08:33 linux-next c068f40300a0 851bc19a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/17 00:45 linux-next 509583475828 851bc19a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/16 22:56 linux-next 509583475828 851bc19a .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/16 15:03 linux-next 509583475828 7338e3c4 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-linux-next-kasan-gce-root 2023/02/16 08:44 linux-next 9d9019bcea1a 6be0f1f5 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-gce-arm64 2023/02/16 12:10 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 2d3827b3f393 7338e3c4 .config console log report info [disk image] [vmlinux] [kernel image] WARNING in ieee80211_ibss_csa_beacon
ci-upstream-kasan-gce-smack-root 2020/10/07 17:35 upstream c85fb28b6f99 1880b4a9 .config console log report info
ci-upstream-kasan-gce-386 2021/01/17 02:55 upstream 0da0a8a0a0e1 65a7a854 .config console log report info
* Struck through repros no longer work on HEAD.