rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (1 GPs behind) idle=9034/1/0x4000000000000000 softirq=44416/44418 fqs=3513
(t=10500 jiffies g=53293 q=1062 ncpus=2)
CPU: 0 PID: 12952 Comm: syz.3.2889 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:rht_key_get_hash include/linux/rhashtable.h:133 [inline]
RIP: 0010:rht_key_hashfn include/linux/rhashtable.h:159 [inline]
RIP: 0010:__rhashtable_lookup include/linux/rhashtable.h:596 [inline]
RIP: 0010:rhltable_lookup+0x211/0x7c0 include/linux/rhashtable.h:688
Code: 4c 89 7c 24 50 48 89 7c 24 48 48 89 5c 24 10 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 2c 04 00 00 45 8b 36 <42> 80 3c 2f 00 74 0f 48 8b 7c 24 20 e8 de 29 30 f8 48 8b 54 24 20
RSP: 0018:ffffc90000007820 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff8881436b7b00 RCX: 1ffff110048582fd
RDX: ffff8880242c1800 RSI: 1ffff110048582fe RDI: 1ffff11004858300
RBP: ffffc90000007990 R08: 0001000000000000 R09: 0030004000060003
R10: 0000000000000080 R11: 0000000000000002 R12: 0000000000000000
R13: dffffc0000000000 R14: 000000008986323d R15: ffff8880244ba438
FS: 00007f2446d216c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555b68c4e8 CR3: 0000000075a1f000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
sta_info_hash_lookup+0x4a/0x60 net/mac80211/sta_info.c:195
__ieee80211_rx_handle_packet net/mac80211/rx.c:5107 [inline]
ieee80211_rx_list+0x1ad3/0x2e60 net/mac80211/rx.c:5315
ieee80211_rx_napi+0x1ae/0x3d0 net/mac80211/rx.c:5338
ieee80211_rx include/net/mac80211.h:4849 [inline]
ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317
tasklet_action_common+0x2fe/0x4d0 kernel/softirq.c:827
handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:finish_task_switch+0x26a/0x8f0 kernel/sched/core.c:5124
Code: 0f 84 3b 01 00 00 48 85 db 0f 85 5a 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 30 ba df 08 e8 cb 30 2f 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9000561f078 EFLAGS: 00000286
RAX: ce17b7fe616a1d00 RBX: 0000000000000000 RCX: ce17b7fe616a1d00
RDX: dffffc0000000000 RSI: ffffffff8a8c1aa0 RDI: ffffffff8adf2060
RBP: ffffc9000561f0d0 R08: ffff8880b8e3ab03 R09: 1ffff110171c7560
R10: dffffc0000000000 R11: ffffed10171c7561 R12: ffff88801a325a00
R13: dffffc0000000000 R14: ffff888062cd5a00 R15: ffff8880b8e3b5d0
context_switch kernel/sched/core.c:5248 [inline]
__schedule+0x11d9/0x40e0 kernel/sched/core.c:6562
preempt_schedule_irq+0xbb/0x160 kernel/sched/core.c:6874
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:check_kcov_mode kernel/kcov.c:193 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:245 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x32/0x80 kernel/kcov.c:299
Code: 34 f1 7f 7e 65 8b 0d 35 f1 7f 7e 81 e1 00 01 ff 00 74 11 81 f9 00 01 00 00 75 5b 83 ba 1c 16 00 00 00 74 52 8b 8a f8 15 00 00 <83> f9 03 75 47 48 8b 8a 00 16 00 00 44 8b 8a fc 15 00 00 49 c1 e1
RSP: 0018:ffffc9000561f3e0 EFLAGS: 00000246
RAX: ffffffff813a0d26 RBX: 000000001fb15c00 RCX: 0000000000000002
RDX: ffff88801a325a00 RSI: 000000000000002e RDI: 0000000000000040
RBP: ffff88801fb15c00 R08: ffffffff8e2029ef R09: 1ffffffff1c4053d
R10: dffffc0000000000 R11: fffffbfff1c4053e R12: 0000000000000000
R13: dffffc0000000000 R14: 000000000000002e R15: ffff88801fb15c00
phys_addr_valid arch/x86/mm/physaddr.h:7 [inline]
__phys_addr+0x86/0x170 arch/x86/mm/physaddr.c:28
virt_to_folio include/linux/mm.h:913 [inline]
virt_to_slab mm/slab.h:175 [inline]
qlink_to_cache+0x5/0xa0 mm/kasan/quarantine.c:131
qlist_free_all+0x3a/0xe0 mm/kasan/quarantine.c:184
kasan_quarantine_reduce+0x144/0x160 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x1e/0x80 mm/kasan/common.c:306
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook+0x4b/0x480 mm/slab.h:737
slab_alloc_node mm/slub.c:3359 [inline]
kmem_cache_alloc_node+0x14d/0x320 mm/slub.c:3404
__alloc_skb+0xfc/0x7e0 net/core/skbuff.c:505
alloc_skb include/linux/skbuff.h:1303 [inline]
nlmsg_new include/net/netlink.h:998 [inline]
netlink_ack+0x372/0x1170 net/netlink/af_netlink.c:2448
netlink_rcv_skb+0x280/0x450 net/netlink/af_netlink.c:2517
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1872
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5be/0x970 net/socket.c:2518
___sys_sendmsg+0x2a2/0x360 net/socket.c:2572
__sys_sendmsg net/socket.c:2601 [inline]
__do_sys_sendmsg net/socket.c:2610 [inline]
__se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f2445d9ce59
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:00007f2446d21028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2446015fa0 RCX: 00007f2445d9ce59
RDX: 00000000240000c0 RSI: 00002000000000c0 RDI: 0000000000000007
RBP: 00007f2445e32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2446016038 R14: 00007f2446015fa0 R15: 00007ffcd082fb98