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WARNING in __rate_control_send_low (3)

Status: upstream: reported C repro on 2024/10/26 13:25
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+34463a129786910405dd@syzkaller.appspotmail.com
First crash: 360d, last: 19h44m
Cause bisection: introduced by (bisect log) :
commit 119aadf816f5373dc82ca4109d6d5b777e00475b
Author: Ramon Fontes <ramonreisfontes@gmail.com>
Date: Fri May 15 16:46:40 2020 +0000

  mac80211_hwsim: report the WIPHY_FLAG_SUPPORTS_5_10_MHZ capability

Crash: WARNING in __rate_control_send_low (log)
Repro: C syz .config
  
▶ ▼ Discussions (12)
Title Replies (including bot) Last reply
[syzbot] Monthly wireless report (Sep 2025) 0 (1) 2025/09/25 16:01
[syzbot] Monthly wireless report (Aug 2025) 0 (1) 2025/08/25 13:19
[syzbot] Monthly wireless report (Jul 2025) 0 (1) 2025/07/25 12:39
[syzbot] Monthly wireless report (Jun 2025) 0 (1) 2025/06/24 07:38
[syzbot] Monthly wireless report (May 2025) 0 (1) 2025/05/24 10:04
[syzbot] Monthly wireless report (Apr 2025) 0 (1) 2025/04/22 12:41
[syzbot] Monthly wireless report (Mar 2025) 0 (1) 2025/03/18 14:49
[syzbot] Monthly wireless report (Feb 2025) 0 (1) 2025/02/16 21:53
[syzbot] Monthly wireless report (Jan 2025) 0 (1) 2025/01/15 13:48
[syzbot] Monthly wireless report (Dec 2024) 0 (1) 2024/12/16 09:44
[syzbot] Monthly wireless report (Nov 2024) 0 (1) 2024/11/14 08:58
[syzbot] [wireless?] WARNING in __rate_control_send_low (3) 0 (3) 2024/10/29 20:32
▶ ▼ Similar bugs (7)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 WARNING in __rate_control_send_low origin:lts-only -1 C inconclusive 151 8d02h 96d 0/2 upstream: reported C repro on 2025/07/13 22:51
linux-4.14 WARNING in __rate_control_send_low -1 C 4 962d 1836d 0/1 upstream: reported C repro on 2020/10/08 02:03
linux-4.19 WARNING in __rate_control_send_low -1 C 354 974d 1824d 0/1 upstream: reported C repro on 2020/10/19 12:45
linux-5.15 WARNING in __rate_control_send_low missing-backport origin:upstream -1 C error 1034 49m 945d 0/3 upstream: reported C repro on 2023/03/17 23:53
upstream WARNING in __rate_control_send_low wireless -1 C inconclusive 2759 513d 1829d 25/29 fixed on 2024/05/22 23:08
upstream WARNING in __rate_control_send_low (2) wireless -1 C done 3233 360d 512d 28/29 fixed on 2024/10/22 11:57
linux-6.1 WARNING in __rate_control_send_low origin:upstream missing-backport -1 C inconclusive 569 15d 935d 0/3 upstream: reported C repro on 2023/03/27 21:44

Sample crash report:
------------[ cut here ]------------
no supported rates for sta 08:02:11:00:00:00 (0xf, band 0) in rate_mask 0xffffffff with flags 0x10
WARNING: CPU: 1 PID: 146 at net/mac80211/rate.c:403 __rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398
Modules linked in:
CPU: 1 UID: 0 PID: 146 Comm: kworker/u8:5 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__rate_control_send_low+0x5df/0x820 net/mac80211/rate.c:398
Code: 38 0f b6 04 28 84 c0 0f 85 d7 01 00 00 41 8b 0f 48 c7 c7 00 7e ae 8c 48 8b 74 24 18 44 8b 44 24 2c 45 89 e9 e8 72 df a5 f6 90 <0f> 0b 90 90 e9 73 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90002e37258 EFLAGS: 00010246
RAX: a9858661d3e14100 RBX: ffff888028738f3c RCX: ffff888021309e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: dffffc0000000000 R08: ffffffff8fa104f7 R09: 1ffffffff1f4209e
R10: dffffc0000000000 R11: fffffbfff1f4209f R12: ffff888077a97528
R13: 0000000000000010 R14: ffff888023e30e40 R15: ffff888023e330d8
FS:  0000000000000000(0000) GS:ffff888125d50000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557258808 CR3: 000000000df38000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 rate_control_send_low+0xf2/0x7a0 net/mac80211/rate.c:423
 rate_control_get_rate+0x20b/0x5d0 net/mac80211/rate.c:934
 ieee80211_tx_h_rate_ctrl+0xb32/0x1780 net/mac80211/tx.c:753
 invoke_tx_handlers_late+0xb6/0x1820 net/mac80211/tx.c:1833
 ieee80211_tx+0x2ac/0x420 net/mac80211/tx.c:1954
 __ieee80211_tx_skb_tid_band+0x50f/0x680 net/mac80211/tx.c:6103
 ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2350 [inline]
 ieee80211_send_scan_probe_req net/mac80211/scan.c:670 [inline]
 ieee80211_scan_state_send_probe+0x59a/0xa10 net/mac80211/scan.c:698
 ieee80211_scan_work+0x5b1/0x1ce0 net/mac80211/scan.c:1158
 cfg80211_wiphy_work+0x2df/0x460 net/wireless/core.c:435
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Crashes (10342):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/02 08:06 upstream 66701750d556 ffe4b334 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __rate_control_send_low
2025/02/02 20:54 upstream 69e858e0b8b2 568559e4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __rate_control_send_low
2025/01/12 02:28 upstream b62cef9a5c67 6dbc6a9b .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/03/13 10:34 upstream b7f94fcf5546 44be8b44 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __rate_control_send_low
2025/03/05 22:10 upstream bb2281fb05e5 034534df .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __rate_control_send_low
2025/02/19 15:36 upstream 6537cfb395f3 cbd8edab .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __rate_control_send_low
2025/02/16 06:48 upstream ad1b832bf1cf 40a34ec9 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __rate_control_send_low
2025/01/21 05:44 upstream 3d3a9c8b89d4 6e87cfa2 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __rate_control_send_low
2024/11/14 18:11 upstream 0a9b9d17f3a7 77f3eeb7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __rate_control_send_low
2024/11/14 17:33 upstream 0a9b9d17f3a7 77f3eeb7 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __rate_control_send_low
2024/12/25 22:23 net b3a69c559899 444551c4 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2024/10/29 03:17 net b5abbf612092 9efb3cc7 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/10/14 12:13 upstream 3a8660878839 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in __rate_control_send_low
2025/10/10 06:21 upstream 5472d60c129f ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __rate_control_send_low
2025/10/10 01:16 upstream 18a7e218cfcd 7e2882b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/10/09 23:07 upstream 18a7e218cfcd 7e2882b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/10/05 23:25 upstream 6093a688a07d 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __rate_control_send_low
2025/10/05 17:15 upstream 6093a688a07d 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/10/05 00:03 upstream d104e3d17f7b 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __rate_control_send_low
2025/10/04 21:50 upstream cbf33b8e0b36 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __rate_control_send_low
2025/10/03 06:14 upstream e406d57be7bd 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __rate_control_send_low
2025/10/02 18:06 upstream 7f7072574127 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/10/02 16:20 upstream 7f7072574127 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/09/30 15:06 upstream 30d4efb2f5a5 65a0eece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __rate_control_send_low
2025/09/30 02:12 upstream 1896ce8eb6c6 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in __rate_control_send_low
2025/09/29 17:32 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __rate_control_send_low
2025/09/29 14:56 upstream e5f0a698b34e 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/09/29 07:56 upstream 8f9736633f8c 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in __rate_control_send_low
2025/09/29 01:16 upstream 8f9736633f8c 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/09/26 22:00 upstream 083fc6d7fa0d 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2025/09/23 16:06 upstream cec1e6e5d1ab 0ac7291c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce WARNING in __rate_control_send_low
2024/10/25 22:05 upstream b423f5a9a61f 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in __rate_control_send_low
2025/10/15 04:31 upstream 9b332cece987 b6605ba8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __rate_control_send_low
2025/10/13 00:26 upstream 67029a49db6c ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __rate_control_send_low
2025/10/12 13:58 upstream 67029a49db6c ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __rate_control_send_low
2025/10/02 22:31 upstream 7f7072574127 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __rate_control_send_low
2025/09/30 12:00 upstream 1896ce8eb6c6 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __rate_control_send_low
2025/09/29 05:06 upstream 8f9736633f8c 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __rate_control_send_low
2025/09/28 01:43 upstream 51a24b7deaae 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 WARNING in __rate_control_send_low
2025/09/14 22:05 upstream 79e8447ec662 e2beed91 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in __rate_control_send_low
2025/09/13 14:56 upstream 22f20375f5b7 e2beed91 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in __rate_control_send_low
2025/10/17 00:01 upstream 634ec1fc7982 19568248 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __rate_control_send_low
2025/10/14 23:40 upstream 9b332cece987 b6605ba8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __rate_control_send_low
2025/10/13 21:08 upstream 3a8660878839 b6605ba8 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __rate_control_send_low
2025/10/02 19:34 upstream 7f7072574127 49379ee0 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __rate_control_send_low
2025/09/26 20:29 upstream 4ff71af020ae 001c9061 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __rate_control_send_low
2025/09/25 23:11 upstream 4ff71af020ae 0abd0691 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __rate_control_send_low
2025/09/24 14:21 upstream cec1e6e5d1ab 0abd0691 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in __rate_control_send_low
2025/10/03 09:23 net 07fdad3a9375 49379ee0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/23 08:55 net 3491bb7dae5c 0ac7291c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/22 17:17 net b65678cacc03 0ac7291c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/22 00:15 net b65678cacc03 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/21 13:04 net b65678cacc03 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/21 05:02 net b65678cacc03 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/20 11:38 net a35c04de2565 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/20 07:25 net a35c04de2565 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/09/20 05:28 net a35c04de2565 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2024/10/22 13:17 net d95d9a31aceb a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in __rate_control_send_low
2025/10/12 20:17 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __rate_control_send_low
2025/10/12 01:53 net-next 18a7e218cfcd ff1712fe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __rate_control_send_low
2025/10/08 06:59 net-next 07fdad3a9375 7e2882b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __rate_control_send_low
2025/09/30 06:00 net-next e8c4840d0c19 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __rate_control_send_low
2025/09/29 19:51 net-next e835faaed2f8 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in __rate_control_send_low
2025/10/17 09:18 linux-next 2433b8476165 19568248 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __rate_control_send_low
2025/10/06 12:06 linux-next 47a8d4b89844 91305dbe .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in __rate_control_send_low
2025/09/29 12:17 linux-next 262858079afd 86341da6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in __rate_control_send_low
2025/09/26 23:24 linux-next 262858079afd 001c9061 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in __rate_control_send_low
2025/09/22 05:08 linux-next 846bd2225ec3 67c37560 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in __rate_control_send_low
2025/09/24 07:17 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b785b0878b01 0abd0691 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in __rate_control_send_low
2025/09/23 05:41 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci b5db4add5e77 0ac7291c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 WARNING in __rate_control_send_low
* Struck through repros no longer work on HEAD.