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: 38d, last: 1d14h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_tx_h_rate_ctrl 0 (1) 2025/05/29 12:33

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: CPU: 0 PID: 6356 at net/mac80211/tx.c:746 ieee80211_tx_h_rate_ctrl+0xc87/0x1780 net/mac80211/tx.c:739
Modules linked in:
CPU: 0 UID: 0 PID: 6356 Comm: kworker/u8:20 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:ieee80211_tx_h_rate_ctrl+0xc87/0x1780 net/mac80211/tx.c:739
Code: 31 f6 83 e6 07 41 0f 95 c6 31 ff e8 b3 54 da f6 43 8d 0c 76 83 c1 02 48 c7 c7 e0 ae ae 8c 48 89 de 4c 89 fa e8 ea f8 9d f6 90 <0f> 0b 90 90 41 bf 01 00 00 00 e9 eb 02 00 00 e8 45 50 da f6 e9 6a
RSP: 0018:ffffc9000c4b73c0 EFLAGS: 00010246
RAX: d248a4406c987f00 RBX: ffff888062b61738 RCX: ffff888020fb8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffc9000c4b7530 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa9fc R12: dffffc0000000000
R13: ffffc9000c4b76e8 R14: 0000000000000001 R15: ffff8880291ec784
FS:  0000000000000000(0000) GS:ffff888125c50000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffdc44e3ff8 CR3: 0000000066e8c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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 (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/01 20:37 upstream 66701750d556 ffe4b334 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in ieee80211_tx_h_rate_ctrl
2025/07/01 20:36 upstream 66701750d556 ffe4b334 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root 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
2025/05/26 14:26 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
2025/05/26 14:01 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
2025/05/26 11:10 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
2025/05/26 02:45 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
2025/05/26 01:24 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
2025/05/26 01:14 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
2025/05/26 00:14 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 12:29 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 12:26 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
* Struck through repros no longer work on HEAD.