syzbot


WARNING in ieee80211_tx_h_rate_ctrl

Status: upstream: reported C repro on 2025/05/29 12:33
Subsystems: wireless
Labels: prio:low
[Documentation on labels]
Reported-by: syzbot+0d516b33238bd97ee864@syzkaller.appspotmail.com
First crash: 394d, last: 2h06m
Cause bisection: failed (error log, bisect log)
  
Fix bisection: failed (error log, bisect log)
  
✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision Error
de0257d9-dbe8-40ca-b6b9-0e315576fc5a assessment-security DenialOfService: ❌ Exploitable: ❌ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ WARNING in ieee80211_tx_h_rate_ctrl 2026/05/25 14:26 2026/05/25 14:26 2026/05/25 15:28 c69befb30ac10e158cc9d1557b508ee3f0eca1de

			
		
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly wireless report (Apr 2026) 0 (1) 2026/04/01 07:42
[syzbot] Monthly wireless report (Mar 2026) 0 (1) 2026/03/01 06:22
[syzbot] [wireless?] WARNING in ieee80211_tx_h_rate_ctrl 0 (2) 2026/02/08 18:47
Similar bugs (2)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-6.6 WARNING in ieee80211_tx_h_rate_ctrl origin:upstream -1 C error 9 2d06h 227d 0/2 upstream: reported C repro on 2025/11/07 15:30
linux-6.1 WARNING in ieee80211_tx_h_rate_ctrl -1 2 186d 200d 0/3 auto-obsoleted due to no activity on 2026/03/28 18:48
Last patch testing requests (2)
Created Duration User Patch Repo Result
2026/03/24 12:52 1h13m retest repro linux-next report log
2026/03/24 12:32 1h21m retest repro net report log

Sample crash report:
------------[ cut here ]------------
wlan1: Dropped data frame as no usable bitrate found while scanning and associated. Target station: 08:02:11:00:00:00 on 5 GHz band
WARNING: net/mac80211/tx.c:757 at ieee80211_tx_h_rate_ctrl+0xd82/0x1760 net/mac80211/tx.c:750, CPU#0: kworker/u4:9/1139
Modules linked in:
CPU: 0 UID: 0 PID: 1139 Comm: kworker/u4:9 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_tx_h_rate_ctrl+0xded/0x1760 net/mac80211/tx.c:750
Code: 1c 08 00 00 48 8b 44 24 38 8b 30 45 31 ed 83 e6 07 41 0f 95 c5 31 ff e8 41 1b a1 f6 43 8d 4c 6d 02 48 89 df 4c 89 f6 4c 89 fa <67> 48 0f b9 3a 41 bd 01 00 00 00 e9 73 01 00 00 e8 de 16 a1 f6 e9
RSP: 0018:ffffc90001807420 EFLAGS: 00010293
RAX: ffffffff8b24af1f RBX: ffffffff9041ed50 RCX: 0000000000000005
RDX: ffff8880124d3784 RSI: ffff8880573e1888 RDI: ffffffff9041ed50
RBP: ffffc90001807588 R08: ffff888057b02a8f R09: 1ffff1100af60551
R10: dffffc0000000000 R11: ffffed100af60552 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff8880573e1888 R15: ffff8880124d3784
FS:  0000000000000000(0000) GS:ffff88808c895000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000017ca5b4ec000 CR3: 0000000012b7a000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 invoke_tx_handlers_late+0xba/0x18a0 net/mac80211/tx.c:1859
 ieee80211_tx+0x2d7/0x4b0 net/mac80211/tx.c:1983
 __ieee80211_tx_skb_tid_band+0x50f/0x680 net/mac80211/tx.c:6371
 ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2456 [inline]
 ieee80211_send_scan_probe_req net/mac80211/scan.c:685 [inline]
 ieee80211_scan_state_send_probe+0x594/0xa00 net/mac80211/scan.c:713
 ieee80211_scan_work+0x64d/0x1c60 net/mac80211/scan.c:1174
 cfg80211_wiphy_work+0x2cf/0x460 net/wireless/core.c:513
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	1c 08                	sbb    $0x8,%al
   2:	00 00                	add    %al,(%rax)
   4:	48 8b 44 24 38       	mov    0x38(%rsp),%rax
   9:	8b 30                	mov    (%rax),%esi
   b:	45 31 ed             	xor    %r13d,%r13d
   e:	83 e6 07             	and    $0x7,%esi
  11:	41 0f 95 c5          	setne  %r13b
  15:	31 ff                	xor    %edi,%edi
  17:	e8 41 1b a1 f6       	call   0xf6a11b5d
  1c:	43 8d 4c 6d 02       	lea    0x2(%r13,%r13,2),%ecx
  21:	48 89 df             	mov    %rbx,%rdi
  24:	4c 89 f6             	mov    %r14,%rsi
  27:	4c 89 fa             	mov    %r15,%rdx
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	41 bd 01 00 00 00    	mov    $0x1,%r13d
  35:	e9 73 01 00 00       	jmp    0x1ad
  3a:	e8 de 16 a1 f6       	call   0xf6a1171d
  3f:	e9                   	.byte 0xe9

Crashes (843):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/06/05 21:25 upstream ddd664bbff63 48b6c3fa .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in ieee80211_tx_h_rate_ctrl
2026/02/08 18:47 net 6d2f142b1e4b 4c131dc4 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/03/06 10:20 linux-next 3f9cd19e764b 31e9c887 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 04:04 upstream 1a3746ccbb0a 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 02:55 upstream 1a3746ccbb0a 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 00:26 upstream 1a3746ccbb0a 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2026/05/27 20:31 upstream eb3f4b7426cf 769cbc61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ieee80211_tx_h_rate_ctrl
2026/03/10 12:32 upstream 1f318b96cc84 6972f302 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ieee80211_tx_h_rate_ctrl
2026/03/01 18:55 upstream eb71ab2bf722 43249bac .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_tx_h_rate_ctrl
2026/01/17 05:38 upstream b62ce2547fe8 d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 07:03 net 96e7f9122aae 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/12 02:50 net 9bf10032894f e93da63e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/10 01:13 net 0aa05daef784 34dab4be .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/28 09:13 net 8ba68464e478 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/28 07:01 net 8ba68464e478 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/28 05:57 net 8ba68464e478 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/28 04:39 net 8ba68464e478 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/28 02:54 net 8ba68464e478 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/28 01:49 net 8ba68464e478 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/28 01:49 net 8ba68464e478 4c36e7e5 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/27 18:03 net dd433671fef3 769cbc61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/27 16:37 net dd433671fef3 769cbc61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/27 15:19 net dd433671fef3 769cbc61 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/19 09:24 net c326f9c68921 9f74d399 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/17 02:29 net aaec7096f996 de5aae85 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/04/08 06:05 net a9b8b18364ff 2c961e87 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2025/05/26 14:57 net 5cdb2c77c4c3 2d4582d0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2025/05/25 12:26 net 5cdb2c77c4c3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2025/05/25 12:25 net 5cdb2c77c4c3 ed351ea7 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/23 12:16 net-next b85966adbf5d 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 14:43 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 13:18 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 11:55 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 07:50 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 06:08 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 04:44 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 02:50 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/22 01:22 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 23:23 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 22:42 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 21:41 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 20:21 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 18:24 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 16:44 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 14:17 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 12:42 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 11:07 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 09:39 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 08:08 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 05:05 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/21 01:46 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/20 21:58 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/20 19:58 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/20 19:40 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/06/20 10:05 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/05/10 20:48 net-next a93245816556 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/13 22:41 linux-next 0f853ca2a798 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
* Struck through repros no longer work on HEAD.