INFO: rcu detected stall in ieee80211_tasklet

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in ieee80211_tasklet_handler wireless	C	error	done	74	949d	1230d	20/26	fixed on 2022/03/08 16:11
linux-5.15	INFO: rcu detected stall in ieee80211_tasklet_handler (2)				1	18d	18d	0/3	upstream: reported on 2024/04/14 13:47
upstream	BUG: soft lockup in ieee80211_tasklet_handler wireless	C	inconclusive	error	9	1072d	1164d	0/26	auto-obsoleted due to no activity on 2023/01/07 08:49
linux-4.19	BUG: soft lockup in ieee80211_tasklet_handler	syz			29	441d	1140d	0/1	upstream: reported syz repro on 2021/03/19 03:24

rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10264 ticks this GP) idle=baf/1/0x4000000000000000 softirq=26851/27087 fqs=5076 (t=10500 jiffies g=42589 q=1391) NMI backtrace for cpu 0 CPU: 0 PID: 8268 Comm: syz-executor.0 Not tainted 5.15.138-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:343 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline] check_cpu_stall kernel/rcu/tree_stall.h:711 [inline] rcu_pending kernel/rcu/tree.c:3911 [inline] rcu_sched_clock_irq+0xf26/0x1770 kernel/rcu/tree.c:2606 update_process_times+0x196/0x200 kernel/time/timer.c:1788 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:ieee80211_rx_h_sta_process net/mac80211/rx.c:1780 [inline] RIP: 0010:ieee80211_rx_handlers+0x110f/0x91c0 net/mac80211/rx.c:3936 Code: 24 48 83 c3 70 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 b0 50 00 00 44 8b 33 49 8d 9f 28 05 00 00 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 4c 8b 64 24 20 74 08 48 89 df e8 bd d7 1a f8 4c 01 RSP: 0018:ffffc90000007560 EFLAGS: 00000a06 RAX: 1ffff1100f23e8a5 RBX: ffff8880791f4528 RCX: ffff888024d4d940 RDX: 0000000000000302 RSI: 0000000000000000 RDI: 0000000000000008 RBP: ffffc900000077d0 R08: ffffffff89aefaa5 R09: ffffed100f23e83a R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000007aa8 R13: dffffc0000000000 R14: 000000000000004c R15: ffff8880791f4000 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3989 [inline] ieee80211_prepare_and_rx_handle+0x2b76/0x51e0 net/mac80211/rx.c:4699 __ieee80211_rx_handle_packet net/mac80211/rx.c:4859 [inline] ieee80211_rx_list+0x1dac/0x2a60 net/mac80211/rx.c:4982 ieee80211_rx_napi+0x15f/0x380 net/mac80211/rx.c:5005 ieee80211_rx include/net/mac80211.h:4571 [inline] ieee80211_tasklet_handler+0x109/0x1b0 net/mac80211/main.c:235 tasklet_action_common+0x3cb/0x4a0 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:account_kernel_stack+0x270/0x420 kernel/fork.c:386 Code: 9d 34 00 b8 00 02 00 00 48 21 c3 75 31 e8 78 99 34 00 4c 89 fb 4d 85 ed 75 07 e8 6b 99 34 00 eb 06 e8 64 99 34 00 fb 4d 89 f5 <49> 83 fc 38 74 1a e8 55 99 34 00 49 83 c4 08 e9 90 fe ff ff e8 47 RSP: 0018:ffffc90002e4e8c0 EFLAGS: 00000293 RAX: ffffffff814b88ec RBX: ffff888014fd32a0 RCX: ffff888024d4d940 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002e4e9e8 R08: ffffffff814b88c9 R09: fffffbfff1f79c22 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888014fd32a0 release_task_stack kernel/fork.c:431 [inline] put_task_stack+0x8f/0x140 kernel/fork.c:443 finish_task_switch+0x276/0x630 kernel/sched/core.c:4938 context_switch kernel/sched/core.c:5029 [inline] __schedule+0x12cc/0x45b0 kernel/sched/core.c:6372 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6776 irqentry_exit+0x53/0x80 kernel/entry/common.c:426 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:reg_copy_dfs_chan_state net/wireless/reg.c:2923 [inline] RIP: 0010:wiphy_share_dfs_chan_state net/wireless/reg.c:2958 [inline] RIP: 0010:wiphy_all_share_dfs_chan_state+0x25b/0x6c0 net/wireless/reg.c:2973 Code: 74 08 4c 89 e7 e8 15 f7 3c f8 49 8b 1c 24 48 8b 7c 24 18 48 89 f8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 fa 01 00 00 44 8b 2f <44> 89 ee 83 e6 08 31 ff e8 c8 44 f3 f7 44 89 e8 83 e0 08 75 0a e8 RSP: 0018:ffffc90002e4edd0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88804141d150 RCX: 0000000000000a00 RDX: ffff88804376db7c RSI: 0000000000000033 RDI: ffff88804376db5c RBP: ffff88804376db80 R08: ffffffff898ce03f R09: fffffbfff1bc7266 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88804141b4a8 R13: 0000000000000031 R14: 0000000000000030 R15: dffffc0000000000 wiphy_regulatory_register+0x179/0x230 net/wireless/reg.c:4073 wiphy_register+0x1ef0/0x2bb0 net/wireless/core.c:934 ieee80211_register_hw+0x2986/0x39d0 net/mac80211/main.c:1299 mac80211_hwsim_new_radio+0x223d/0x4200 drivers/net/wireless/mac80211_hwsim.c:3374 hwsim_new_radio_nl+0xbae/0x1090 drivers/net/wireless/mac80211_hwsim.c:3950 genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0xfbd/0x14a0 net/netlink/genetlink.c:792 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1924 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2429 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2483 __sys_sendmsg net/socket.c:2512 [inline] __do_sys_sendmsg net/socket.c:2521 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2519 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f2fbe2a9ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2fbc82b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2fbe3c8f80 RCX: 00007f2fbe2a9ae9 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f2fbe2f547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2fbe3c8f80 R15: 00007ffc14aa0d58 </TASK>

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/11/13 17:38	linux-5.15.y	80529b4968a8	6d6dbf8a	.config	console log	report			info		ci2-linux-5-15-kasan-perf	INFO: rcu detected stall in ieee80211_tasklet_handler

Crashes (1):

Assets (help?)