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WARNING in __rate_control_send_low

Status: upstream: reported C repro on 2023/03/27 21:44
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+23022e34b968091fd781@syzkaller.appspotmail.com
First crash: 877d, last: 2d01h
Fix bisection: the issue occurs on the latest tested release (bisect log)
Crash: WARNING in __rate_control_send_low (log)
Repro: C syz .config
  
▶ ▼ Bug presence (3)
Date Name Commit Repro Result
2024/06/06 linux-6.1.y (ToT) 88690811da69 C [report] WARNING in __rate_control_send_low
2024/04/22 upstream (ToT) ed30a4a51bb1 C [report] WARNING in __rate_control_send_low
2024/06/06 upstream (ToT) 2df0193e62cf C Didn't crash
▶ ▼ 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 112 14h14m 38d 0/2 upstream: reported C repro on 2025/07/13 22:51
linux-4.14 WARNING in __rate_control_send_low -1 C 4 904d 1778d 0/1 upstream: reported C repro on 2020/10/08 02:03
linux-4.19 WARNING in __rate_control_send_low -1 C 354 916d 1766d 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 1004 1d00h 887d 0/3 upstream: reported C repro on 2023/03/17 23:53
upstream WARNING in __rate_control_send_low (3) wireless -1 C done 10090 14m 298d 0/29 upstream: reported C repro on 2024/10/26 13:25
upstream WARNING in __rate_control_send_low wireless -1 C inconclusive 2759 455d 1771d 25/29 fixed on 2024/05/22 23:08
upstream WARNING in __rate_control_send_low (2) wireless -1 C done 3233 302d 454d 28/29 fixed on 2024/10/22 11:57
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2025/04/08 21:10 12h30m fix candidate upstream error job log
2024/10/15 00:01 0m fix candidate upstream error job log
2023/10/16 04:02 1h36m bisect fix linux-6.1.y OK (0) job log log

Sample crash report:
------------[ cut here ]------------
no supported rates for sta (null) (0xffffffff, band 1) in rate_mask 0x0 with flags 0x0
WARNING: CPU: 0 PID: 62 at net/mac80211/rate.c:385 __rate_control_send_low+0x653/0x890 net/mac80211/rate.c:380
Modules linked in:
CPU: 0 PID: 62 Comm: kworker/u4:4 Not tainted 6.1.90-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:__rate_control_send_low+0x653/0x890 net/mac80211/rate.c:380
Code: 48 8b 14 24 0f 85 db 01 00 00 8b 0a 48 c7 c7 20 fa fc 8b 48 8b 74 24 10 44 89 f2 44 8b 44 24 1c 44 8b 4c 24 0c e8 8d 2f 48 f7 <0f> 0b e9 79 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 f9 ff
RSP: 0018:ffffc900015773a0 EFLAGS: 00010246
RAX: 114ea823ab7b2f00 RBX: 0000000000000008 RCX: ffff888013ba9dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888019e6b168 R08: ffffffff81528ede R09: fffff520002aedd5
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000080
R13: 0000000000000008 R14: 00000000ffffffff R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff61504f18 CR3: 000000000ce8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rate_control_send_low+0x1a8/0x770 net/mac80211/rate.c:405
 rate_control_get_rate+0x20a/0x5d0 net/mac80211/rate.c:917
 ieee80211_tx_h_rate_ctrl+0xc72/0x1990 net/mac80211/tx.c:780
 invoke_tx_handlers_late+0xb2/0x1910 net/mac80211/tx.c:1873
 ieee80211_tx+0x2df/0x460 net/mac80211/tx.c:1994
 __ieee80211_tx_skb_tid_band+0x4de/0x610 net/mac80211/tx.c:5845
 ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2188 [inline]
 ieee80211_send_scan_probe_req net/mac80211/scan.c:650 [inline]
 ieee80211_scan_state_send_probe+0x558/0x8f0 net/mac80211/scan.c:678
 ieee80211_scan_work+0x612/0x1d70 net/mac80211/scan.c:1142
 cfg80211_wiphy_work+0x21a/0x250 net/wireless/core.c:433
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Crashes (538):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/10 11:58 linux-6.1.y 909ba1f1b414 de979bc2 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2024/04/07 18:49 linux-6.1.y 347385861c50 ca620dd8 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2024/05/12 08:44 linux-6.1.y 909ba1f1b414 9026e142 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2024/03/28 10:23 linux-6.1.y e5cd595e23c1 120789fd .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2024/01/20 09:42 linux-6.1.y fec3b1451d5f 9bd8dcda .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2023/10/29 14:14 linux-6.1.y 32c9cdbe383c 3c418d72 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2023/05/29 18:18 linux-6.1.y a343b0dd87b4 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2023/07/02 22:05 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2024/04/12 00:06 linux-6.1.y bf1e3b1cb1e0 95ed9ece .config console log report syz [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/15 13:05 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/13 00:00 linux-6.1.y 3594f306da12 22ec1469 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/10 09:08 linux-6.1.y 3594f306da12 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/10 09:05 linux-6.1.y 3594f306da12 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/07 22:52 linux-6.1.y 3594f306da12 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/07 12:22 linux-6.1.y 3594f306da12 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/07 09:48 linux-6.1.y 3594f306da12 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/05 23:50 linux-6.1.y 3594f306da12 ffe1dd46 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/05 16:26 linux-6.1.y 3594f306da12 37880f40 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/05 11:54 linux-6.1.y 3594f306da12 37880f40 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/31 21:08 linux-6.1.y 3594f306da12 0c075d67 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/30 00:40 linux-6.1.y 3594f306da12 f8f2b4da .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/29 10:32 linux-6.1.y 3594f306da12 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/29 07:30 linux-6.1.y 3594f306da12 c4a95487 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/28 19:35 linux-6.1.y 3594f306da12 6654ea9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/28 16:19 linux-6.1.y 3594f306da12 6654ea9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/28 01:24 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/27 20:08 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/27 02:58 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/07/27 02:44 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
2025/08/19 06:31 linux-6.1.y 0bc96de781b4 523f460e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/18 07:20 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/17 22:54 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/17 20:26 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/17 06:31 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/17 04:00 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/16 22:01 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/16 18:56 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/16 17:45 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/16 16:54 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/16 03:48 linux-6.1.y 0bc96de781b4 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/15 05:08 linux-6.1.y 3594f306da12 1804e95e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/10 19:54 linux-6.1.y 3594f306da12 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/10 17:28 linux-6.1.y 3594f306da12 32a0e5ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/07 18:22 linux-6.1.y 3594f306da12 04cffc22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/07 07:24 linux-6.1.y 3594f306da12 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/07 07:24 linux-6.1.y 3594f306da12 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/07 06:23 linux-6.1.y 3594f306da12 9a42d6b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/08/03 07:26 linux-6.1.y 3594f306da12 7368264b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/07/28 21:06 linux-6.1.y 3594f306da12 6654ea9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/07/28 19:13 linux-6.1.y 3594f306da12 6654ea9c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/07/28 13:02 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/07/28 09:42 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/07/27 19:05 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2025/07/26 11:50 linux-6.1.y 3594f306da12 fb8f743d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 WARNING in __rate_control_send_low
2023/03/27 21:44 linux-6.1.y e3a87a10f259 47f3aaf1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan WARNING in __rate_control_send_low
* Struck through repros no longer work on HEAD.