rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: (detected by 0, t=10502 jiffies, g=27561, q=431 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 9955 (4294976143-4294966188), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 9955 jiffies! g27561 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26448 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7067
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:200
Code: 89 fb e8 23 00 00 00 48 8b 3d 6c 3c 44 0c 48 89 de 5b e9 03 f7 56 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 80 d4 03 00 65 8b 15 10 ae
RSP: 0018:ffffc90000167ab8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: ffff8880176c8000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000167b90 R08: ffffffff8182de60 R09: 1ffffffff1f58475
R10: dffffc0000000000 R11: fffffbfff1f58476 R12: 1ffff9200002cf5c
R13: ffffc90000167bc0 R14: 0000000000000000 R15: dffffc0000000000
__timer_delete_sync+0x25d/0x310 kernel/time/timer.c:1667
timer_delete_sync kernel/time/timer.c:1720 [inline]
del_timer_sync include/linux/timer.h:185 [inline]
schedule_timeout+0x1c8/0x310 kernel/time/timer.c:2582
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2000
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 53 Comm: kworker/u9:0 Not tainted 6.10.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci4 hci_cmd_work
RIP: 0010:memcmp lib/string.c:676 [inline]
RIP: 0010:bcmp+0x172/0x1e0 lib/string.c:697
Code: 8b 34 24 48 89 ea e9 2f ff ff ff 4d 85 f6 74 6c 31 ed 49 8d 3c 2c 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 75 2b 41 0f b6 1c 2c <49> 8d 3c 2f 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 75 29 41 0f b6
RSP: 0018:ffffc90000007830 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff888016338000
RDX: dffffc0000000000 RSI: ffffc90000007a00 RDI: ffff88804cffa7c4
RBP: 0000000000000000 R08: ffffffff86e3cf46 R09: 1ffff110099ff29f
R10: dffffc0000000000 R11: ffffffff86e3ceb0 R12: ffff88804cffa7c4
R13: ffff88804cffaae8 R14: 0000000000000006 R15: ffffc90000007a00
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c3fcce6030 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mac80211_hwsim_addr_iter+0xbf/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:1352
__iterate_interfaces+0x223/0x4c0 net/mac80211/util.c:772
ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808
mac80211_hwsim_addr_match drivers/net/wireless/virtual/mac80211_hwsim.c:1371 [inline]
mac80211_hwsim_tx_frame_no_nl+0x1157/0x18d0 drivers/net/wireless/virtual/mac80211_hwsim.c:1862
mac80211_hwsim_tx_frame+0x1cc/0x220 drivers/net/wireless/virtual/mac80211_hwsim.c:2206
mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2306
__iterate_interfaces+0x223/0x4c0 net/mac80211/util.c:772
ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808
mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2336
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1770
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x70 kernel/kcov.c:207
Code: 80 d4 03 00 65 8b 15 10 ae 6d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 1c 16 00 00 00 74 2c 8b 91 f8 15 00 00 <83> fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc
RSP: 0018:ffffc90000bd79f8 EFLAGS: 00000246
RAX: ffffffff81424b99 RBX: ffff8880ee47fc00 RCX: ffff888016338000
RDX: 0000000000000000 RSI: 000000000000002e RDI: 0000000000000040
RBP: ffff88806e47fd00 R08: ffffffff81424b8a R09: ffffffff81f8a143
R10: dffffc0000000000 R11: fffffbfff25ee2b6 R12: ffff88806e47fc00
R13: ffffea0000000000 R14: 000000006e47fc00 R15: 000000000000002e
phys_addr_valid arch/x86/mm/physaddr.h:7 [inline]
__phys_addr+0x99/0x170 arch/x86/mm/physaddr.c:28
virt_to_folio include/linux/mm.h:1318 [inline]
virt_to_slab mm/slab.h:204 [inline]
___cache_free+0x1a/0xe0 mm/slub.c:4469
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3940 [inline]
slab_alloc_node mm/slub.c:4002 [inline]
kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4009
skb_clone+0x20c/0x390 net/core/skbuff.c:2052
hci_send_cmd_sync net/bluetooth/hci_core.c:4107 [inline]
hci_cmd_work+0xdc/0x670 net/bluetooth/hci_core.c:4143
process_one_work kernel/workqueue.c:3248 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244