syzbot


WARNING in ieee80211_rx_list

Status: upstream: reported on 2026/05/21 13:48
Reported-by: syzbot+66f9ae406193659b49d9@syzkaller.appspotmail.com
First crash: 2d04h, last: 2d04h
Similar bugs (9)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_rx_list wireless -1 C inconclusive error 3489 715d 2067d 26/29 fixed on 2024/06/18 10:18
upstream WARNING in ieee80211_rx_list (2) wireless -1 4 694d 696d 26/29 fixed on 2024/08/06 11:02
linux-5.15 WARNING in ieee80211_rx_list origin:lts-only -1 syz error 5 671d 776d 0/3 auto-obsoleted due to no activity on 2024/10/29 16:41
linux-5.15 WARNING in ieee80211_rx_list (2) -1 1 419d 419d 0/3 auto-obsoleted due to no activity on 2025/07/08 17:04
linux-6.1 WARNING in ieee80211_rx_list (3) -1 1 10d 10d 0/3 upstream: reported on 2026/05/12 18:34
linux-5.15 WARNING in ieee80211_rx_list (3) -1 1 314d 314d 0/3 auto-obsoleted due to no activity on 2025/10/21 12:19
linux-6.1 WARNING in ieee80211_rx_list -1 1 659d 659d 0/3 auto-obsoleted due to no activity on 2024/11/09 19:50
upstream WARNING in ieee80211_rx_list (3) prio:low wireless -1 C error done 47 39d 621d 0/29 upstream: reported C repro on 2024/09/09 00:10
linux-6.1 WARNING in ieee80211_rx_list (2) -1 1 234d 234d 0/3 auto-obsoleted due to no activity on 2026/01/09 12:28

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 22 at net/mac80211/rx.c:5346 ieee80211_rx_list+0x241c/0x32d0 net/mac80211/rx.c:5346
Modules linked in:
CPU: 1 PID: 22 Comm: ksoftirqd/1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ieee80211_rx_list+0x241c/0x32d0 net/mac80211/rx.c:5346
Code: 89 eb e9 8c e0 ff ff e8 42 0f 86 f7 e9 7d e0 ff ff e8 38 0f 86 f7 e9 73 e0 ff ff e8 2e 0f 86 f7 e9 69 e0 ff ff e8 24 0f 86 f7 <0f> 0b e9 5d e0 ff ff e8 18 0f 86 f7 e9 3b e3 ff ff e8 0e 0f 86 f7
RSP: 0018:ffffc900001c7840 EFLAGS: 00010246
RAX: ffffffff8a01187c RBX: dffffc0000000000 RCX: ffff88801ca4bc00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffffc900001c7a90 R08: dffffc0000000000 R09: 1ffffffff2238ea0
R10: dffffc0000000000 R11: fffffbfff2238ea1 R12: ffff88801c770e20
R13: dffffc0000000000 R14: ffff88801c7715bd R15: ffff88801c773348
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005627dc18d3d0 CR3: 000000006078f000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 ieee80211_rx_napi+0x1b2/0x3d0 net/mac80211/rx.c:5460
 ieee80211_rx include/net/mac80211.h:4971 [inline]
 ieee80211_handle_queued_frames+0x106/0x1a0 net/mac80211/main.c:319
 tasklet_action_common+0x302/0x4d0 kernel/softirq.c:809
 handle_softirqs+0x280/0x820 kernel/softirq.c:578
 run_ksoftirqd+0xa8/0x100 kernel/softirq.c:950
 smpboot_thread_fn+0x635/0xa00 kernel/smpboot.c:164
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/05/21 13:48 linux-6.6.y eac8889a3a1c e195359d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf WARNING in ieee80211_rx_list
* Struck through repros no longer work on HEAD.