syzbot


WARNING in ieee80211_tx_h_rate_ctrl

Status: upstream: reported on 2025/05/29 12:33
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+0d516b33238bd97ee864@syzkaller.appspotmail.com
First crash: 250d, last: 9d06h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_tx_h_rate_ctrl 0 (1) 2025/05/29 12:33
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 -1 5 16d 84d 0/2 upstream: reported on 2025/11/07 15:30
linux-6.1 WARNING in ieee80211_tx_h_rate_ctrl -1 2 42d 56d 0/3 upstream: reported on 2025/12/04 23:51

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:758 at ieee80211_tx_h_rate_ctrl+0xd82/0x1760 net/mac80211/tx.c:751, CPU#1: kworker/u8:20/6133
Modules linked in:
CPU: 1 UID: 0 PID: 6133 Comm: kworker/u8:20 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_tx_h_rate_ctrl+0xded/0x1760 net/mac80211/tx.c:751
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 c1 c6 cd 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 5e c2 cd f6 e9
RSP: 0018:ffffc90004f773c0 EFLAGS: 00010293
RAX: ffffffff8af4d68f RBX: ffffffff8fdfa790 RCX: 0000000000000005
RDX: ffff88805c257784 RSI: ffff8880457a17c8 RDI: ffffffff8fdfa790
RBP: ffffc90004f77528 R08: ffff88804472a9c7 R09: 1ffff110088e5538
R10: dffffc0000000000 R11: ffffed10088e5539 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff8880457a17c8 R15: ffff88805c257784
FS:  0000000000000000(0000) GS:ffff888125a29000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71b2583a00 CR3: 0000000028c00000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 invoke_tx_handlers_late+0xba/0x18a0 net/mac80211/tx.c:1849
 ieee80211_tx+0x2d7/0x4b0 net/mac80211/tx.c:1971
 __ieee80211_tx_skb_tid_band+0x50f/0x680 net/mac80211/tx.c:6288
 ieee80211_tx_skb_tid_band net/mac80211/ieee80211_i.h:2407 [inline]
 ieee80211_send_scan_probe_req net/mac80211/scan.c:680 [inline]
 ieee80211_scan_state_send_probe+0x594/0xa00 net/mac80211/scan.c:708
 ieee80211_scan_work+0x65f/0x1c50 net/mac80211/scan.c:1169
 cfg80211_wiphy_work+0x2ab/0x450 net/wireless/core.c:438
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xaec/0x17a0 kernel/workqueue.c:3340
 worker_thread+0x89f/0xd90 kernel/workqueue.c:3421
 kthread+0x726/0x8b0 kernel/kthread.c:463
 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </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 c1 c6 cd f6       	call   0xf6cdc6dd
  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 5e c2 cd f6       	call   0xf6cdc29d
  3f:	e9                   	.byte 0xe9

Crashes (648):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/01/21 11:17 upstream 6c790212c588 6f1aa2f9 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/19 02:12 upstream 24d479d26b25 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/17 15:11 upstream 39d3389331ab d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/17 01:24 upstream 983d014aafb1 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/16 12:59 upstream 983d014aafb1 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 21:54 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 19:09 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 02:15 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 23:24 upstream 944aacb68baf d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 14:53 upstream c537e12daeec d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root WARNING in ieee80211_tx_h_rate_ctrl
2025/11/23 01:01 upstream 89edd36fd801 4fb8ef37 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 16:03 upstream c537e12daeec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 13:49 upstream c537e12daeec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 11:37 upstream c537e12daeec d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 08:28 upstream c537e12daeec d1b870e1 .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
2026/01/15 07:18 upstream 944aacb68baf d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 05:23 upstream 944aacb68baf d1b870e1 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 23:37 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 21:16 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 20:16 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 17:56 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 16:36 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 15:52 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 14:48 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 13:42 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 12:33 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 11:24 net 4156c3745f06 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 09:29 net 3879cffd9d07 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 21:46 net 3879cffd9d07 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 19:08 net 3879cffd9d07 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 18:07 net 3879cffd9d07 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 17:00 net 3879cffd9d07 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 13:05 net 3879cffd9d07 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 10:06 net ffe4ccd359d0 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 09:01 net ffe4ccd359d0 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 07:27 net ffe4ccd359d0 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 06:20 net ffe4ccd359d0 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 05:09 net ffe4ccd359d0 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 04:05 net ffe4ccd359d0 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 02:56 net ffe4ccd359d0 d6526ea3 .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
2026/01/16 11:15 net-next d4596891e72c d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/16 08:38 net-next d4596891e72c d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/16 04:53 net-next d4596891e72c d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/16 03:05 net-next d4596891e72c d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/16 01:24 net-next d4596891e72c d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 10:23 net-next cc75d43783f7 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 06:32 net-next 3b194343c250 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 04:14 net-next 3b194343c250 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/15 00:27 net-next 3b194343c250 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 20:45 net-next 3b194343c250 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce WARNING in ieee80211_tx_h_rate_ctrl
2026/01/14 20:13 net-next 3b194343c250 d6526ea3 .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.