rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10150 ticks this GP) idle=8444/1/0x4000000000000000 softirq=15164/15165 fqs=5148
rcu: 	         hardirqs   softirqs   csw/system
rcu: 	 number:  1289063          0            0
rcu: 	cputime:    27465      25013           31   ==> 52500(ms)
rcu: 	(t=10502 jiffies g=17401 q=1991 ncpus=2)
CPU: 1 PID: 6768 Comm: syz.1.269 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:queue_work_on+0x1a4/0x1f0 kernel/workqueue.c:1863
Code: 4d 85 e4 75 16 e8 dc b6 2f 00 eb 15 e8 d5 b6 2f 00 e8 30 31 3b 09 4d 85 e4 74 ea e8 c6 b6 2f 00 fb 48 c7 44 24 20 0e 36 e0 45 <48> b8 00 00 00 00 00 fc ff df 49 c7 44 05 00 00 00 00 00 41 c7 44
RSP: 0018:ffffc900001f0380 EFLAGS: 00000246
RAX: ffffffff8157d9ea RBX: 0000000000000000 RCX: ffff88807e68da00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001f0448 R08: ffffffff91ff15ff R09: 1ffffffff23fe2bf
R10: dffffc0000000000 R11: fffffbfff23fe2c0 R12: 0000000000000200
R13: 1ffff9200003e074 R14: 0000000000000000 R15: ffff888026d2c001
FS:  00007fb441a166c0(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1074123c0 CR3: 000000007e9e3000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 __ieee80211_queue_skb_to_iface net/mac80211/rx.c:232 [inline]
 ieee80211_queue_skb_to_iface net/mac80211/rx.c:243 [inline]
 ieee80211_rx_h_mgmt+0x4f0/0x6e0 net/mac80211/rx.c:3996
 ieee80211_rx_handlers+0x65b6/0xb450 net/mac80211/rx.c:4154
 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4184 [inline]
 ieee80211_prepare_and_rx_handle+0x27de/0x6080 net/mac80211/rx.c:5042
 ieee80211_rx_for_interface net/mac80211/rx.c:5127 [inline]
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5300 [inline]
 ieee80211_rx_list+0x28d4/0x3240 net/mac80211/rx.c:5439
 ieee80211_rx_napi+0x1ae/0x3c0 net/mac80211/rx.c:5462
 ieee80211_rx include/net/mac80211.h:4974 [inline]
 ieee80211_handle_queued_frames+0x105/0x190 net/mac80211/main.c:319
 tasklet_action_common+0x2d4/0x460 kernel/softirq.c:809
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xc0/0x120 kernel/locking/spinlock.c:194
Code: c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> ab 35 c0 f6 65 8b 05 1c f3 66 75 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc90019896ac0 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: 0000000000000a06 RCX: 8df3ce41bfbf7800
RDX: dffffc0000000000 RSI: ffffffff8acacfe0 RDI: 0000000000000001
RBP: ffffc90019896b50 R08: ffffffff91ff1537 R09: 1ffffffff23fe2a6
R10: dffffc0000000000 R11: fffffbfff23fe2a7 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffffffff8df37b80 R15: 1ffff92003312d58
 rcu_report_exp_rnp kernel/rcu/tree_exp.h:225 [inline]
 rcu_preempt_deferred_qs_irqrestore+0x85e/0xc30 kernel/rcu/tree_plugin.h:570
 rcu_read_unlock_special+0x3ca/0x4d0 kernel/rcu/tree_plugin.h:762
 __rcu_read_unlock+0x7c/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:818 [inline]
 count_memcg_event_mm+0x360/0x3c0 include/linux/memcontrol.h:1104
 mm_account_fault mm/memory.c:5222 [inline]
 handle_mm_fault+0x28c0/0x4a50 mm/memory.c:5369
 do_user_addr_fault+0x736/0x12d0 arch/x86/mm/fault.c:1371
 handle_page_fault arch/x86/mm/fault.c:1463 [inline]
 exc_page_fault+0x64/0x100 arch/x86/mm/fault.c:1516
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0010:rep_movs_alternative+0x4a/0x90 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 <f3> a4 c3 48 8b 06 48 89 07 48 8d 47 08 48 83 e0 f8 48 29 f8 48 01
RSP: 0018:ffffc90019897230 EFLAGS: 00050206
RAX: ffffffff8434c401 RBX: 0000000000007ffe RCX: 0000000000006d00
RDX: 0000000000000001 RSI: 0000200000003000 RDI: ffff88801d3c1300
RBP: ffffc900198973d0 R08: ffff88801d3c7fff R09: 1ffff11003a78fff
R10: dffffc0000000000 R11: ffffed1003a79000 R12: 0000200000009d00
R13: 0000000000007ffe R14: ffff88801d3c0002 R15: 0000200000001d02
 copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline]
 raw_copy_from_user arch/x86/include/asm/uaccess_64.h:127 [inline]
 _copy_from_user+0x8b/0xe0 lib/usercopy.c:23
 copy_from_user include/linux/uaccess.h:183 [inline]
 csum_and_copy_from_user include/net/checksum.h:31 [inline]
 csum_and_copy_from_iter+0x1f3/0x1480 lib/iov_iter.c:1195
 csum_and_copy_from_iter_full include/linux/uio.h:357 [inline]
 ip_generic_getfrag+0x163/0x2f0 net/ipv4/ip_output.c:956
 __ip6_append_data+0x1fa2/0x3d40 net/ipv6/ip6_output.c:1793
 ip6_append_data+0x1b0/0x350 net/ipv6/ip6_output.c:1862
 rawv6_sendmsg+0x128b/0x17c0 net/ipv6/raw.c:913
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x61b/0x980 net/socket.c:2595
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649
 __sys_sendmsg net/socket.c:2678 [inline]
 __do_sys_sendmsg net/socket.c:2687 [inline]
 __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb440b9e559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb441a16028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb440e25fa0 RCX: 00007fb440b9e559
RDX: 0000000000000060 RSI: 0000200000001c00 RDI: 0000000000000009
RBP: 00007fb440c35ab8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb440e26038 R14: 00007fb440e25fa0 R15: 00007ffe3a066a88
 </TASK>