syzbot


WARNING in ieee80211_rx_list (3)

Status: upstream: reported on 2025/07/13 12:19
Reported-by: syzbot+17595e1be20d57931171@syzkaller.appspotmail.com
First crash: 50d, last: 50d
Similar bugs (6)
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 451d 1803d 26/29 fixed on 2024/06/18 10:18
upstream WARNING in ieee80211_rx_list (2) wireless -1 4 430d 432d 26/29 fixed on 2024/08/06 11:02
linux-5.15 WARNING in ieee80211_rx_list origin:lts-only -1 syz error 5 407d 513d 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 155d 155d 0/3 auto-obsoleted due to no activity on 2025/07/08 17:04
linux-6.1 WARNING in ieee80211_rx_list -1 1 396d 396d 0/3 auto-obsoleted due to no activity on 2024/11/09 19:50
upstream WARNING in ieee80211_rx_list (3) wireless -1 C error 37 1d23h 357d 0/29 upstream: reported C repro on 2024/09/09 00:10

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 136 at net/mac80211/rx.c:4911 ieee80211_rx_list+0x14f8/0x1e2c net/mac80211/rx.c:4911
Modules linked in:
CPU: 1 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.187-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events_power_efficient check_lifetime
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : ieee80211_rx_list+0x14f8/0x1e2c net/mac80211/rx.c:4911
lr : ieee80211_rx_list+0x14f8/0x1e2c net/mac80211/rx.c:4911
sp : ffff800008017a40
x29: ffff800008017c00 x28: ffff0000d1c510d0 x27: ffff700001002f60
x26: ffff0000d6af0dc0 x25: 1fffe0001a38a21a x24: dfff800000000000
x23: ffff0000d6af3368 x22: ffff0000d6af0e00 x21: ffff0000d6af15fc
x20: ffff800008017c80 x19: ffff0000d1c51000 x18: 0000000000000100
x17: 0000000000000000 x16: ffff8000111d162c x15: 0000000000000002
x14: 0000000000ff0100 x13: 1ffff0000283006b x12: 0000000000ff0100
x11: 0000000000000100 x10: 0000000000000000 x9 : ffff800010b6726c
x8 : ffff0000c0b89b40 x7 : ffff800010b7355c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008017c80
x2 : ffff0000d1c51000 x1 : 0000000000000000 x0 : 0000000000000004
Call trace:
 ieee80211_rx_list+0x14f8/0x1e2c net/mac80211/rx.c:4911
 ieee80211_rx_napi+0x164/0x338 net/mac80211/rx.c:5009
 ieee80211_rx include/net/mac80211.h:4571 [inline]
 ieee80211_handle_queued_frames+0xe8/0x188 net/mac80211/main.c:237
 ieee80211_tasklet_handler+0x20/0x30 net/mac80211/main.c:256
 tasklet_action_common+0x340/0x3f4 kernel/softirq.c:-1
 tasklet_action+0x60/0x84 kernel/softirq.c:827
 handle_softirqs+0x344/0xbf0 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 invoke_softirq kernel/softirq.c:457 [inline]
 __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
 irq_exit+0x14/0x88 kernel/softirq.c:683
 handle_domain_irq+0x14c/0x1fc kernel/irq/irqdesc.c:711
 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:765
 call_on_irq_stack+0x24/0x30 arch/arm64/kernel/entry.S:855
 do_interrupt_handler+0x6c/0x88 arch/arm64/kernel/entry-common.c:267
 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x280/0xd60 kernel/rcu/tree_plugin.h:568
 rcu_read_unlock_special+0xac/0x428 kernel/rcu/tree_plugin.h:670
 __rcu_read_unlock+0xa4/0x108 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 check_lifetime+0x3bc/0x878 net/ipv4/devinet.c:752
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855
irq event stamp: 2274059
hardirqs last  enabled at (2274058): [<ffff8000112ab724>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last  enabled at (2274058): [<ffff8000112ab724>] _raw_spin_unlock_irqrestore+0xa8/0x14c kernel/locking/spinlock.c:194
hardirqs last disabled at (2274059): [<ffff8000111cce8c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (2273876): [<ffff800010f516fc>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (2273876): [<ffff800010f516fc>] batadv_nc_purge_paths+0x308/0x390 net/batman-adv/network-coding.c:475
softirqs last disabled at (2273933): [<ffff80000819efec>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (2273933): [<ffff80000819efec>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (2273933): [<ffff80000819efec>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (2273933): [<ffff80000819efec>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
---[ end trace 04add40d11cb875c ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/07/13 12:18 linux-5.15.y 2f693b607545 3cda49cf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 WARNING in ieee80211_rx_list
* Struck through repros no longer work on HEAD.