rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
(detected by 0, t=10502 jiffies, g=29429, q=39)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294971653-4294961151), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g29429 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:28688 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4969 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6250
schedule+0xd2/0x260 kernel/sched/core.c:6323
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1955
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2128
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 13467 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:check_kcov_mode+0x1c/0x40 kernel/kcov.c:166
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc 65 8b 05 39 ae 8a 7e 89 c2 81 e2 00 01 00 00 a9 00 01 ff 00 74 10 31 c0 85 d2 74 15 <8b> 96 a4 15 00 00 85 d2 74 0b 8b 86 80 15 00 00 39 f8 0f 94 c0 c3
RSP: 0018:ffffc90000dc0a38 EFLAGS: 00000006
RAX: 0000000000000000 RBX: ffff8880b9d3a930 RCX: ffff888139d3a930
RDX: 0000000000000100 RSI: ffff88801b20ba00 RDI: 0000000000000003
RBP: ffff888139d3a930 R08: ffff8880b9d3a930 R09: 0000000000000001
R10: ffffffff81350d78 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880b9d3a930 R14: 0000000000000000 R15: ffffe8ffffb18000
FS: 00007f642f0a7700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f65ed45e718 CR3: 000000002d78c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
write_comp_data kernel/kcov.c:221 [inline]
__sanitizer_cov_trace_cmp8+0x1d/0x70 kernel/kcov.c:267
__phys_addr+0x28/0x140 arch/x86/mm/physaddr.c:20
virt_to_head_page include/linux/mm.h:861 [inline]
kasan_addr_to_page+0x20/0x50 mm/kasan/report.c:149
__kasan_record_aux_stack+0xe/0x120 mm/kasan/generic.c:333
irq_work_queue_on+0x9f/0x160 kernel/irq_work.c:140
rcu_read_unlock_special kernel/rcu/tree_plugin.h:663 [inline]
__rcu_read_unlock+0x436/0x570 kernel/rcu/tree_plugin.h:422
rcu_read_unlock include/linux/rcupdate.h:720 [inline]
BPF_PROG_RUN_ARRAY include/linux/bpf.h:1305 [inline]
trace_call_bpf+0x2f9/0x5f0 kernel/trace/bpf_trace.c:127
perf_trace_run_bpf_submit+0x91/0x210 kernel/events/core.c:9708
perf_trace_preemptirq_template+0x296/0x460 include/trace/events/preemptirq.h:14
trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline]
trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline]
trace_hardirqs_on+0x156/0x1c0 kernel/trace/trace_preemptirq.c:44
asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:664
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__rcu_read_unlock+0xc4/0x570 kernel/rcu/tree_plugin.h:425
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e b6 01 00 00 8b 85 40 04 00 00 85 c0 75 54 <65> 48 8b 1c 25 40 70 02 00 48 8d bb 3c 04 00 00 48 b8 00 00 00 00
RSP: 0018:ffffc90000dc0dc0 EFLAGS: 00000206
RAX: 0000000000000002 RBX: ffff8880b9d3a900 RCX: 1ffffffff1fabd56
RDX: 0000000000000000 RSI: 0000000000000102 RDI: 0000000000000000
RBP: ffffffff8b98c780 R08: 0000000000000001 R09: ffffffff8fd5ba07
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001
R13: ffffffff853a0700 R14: 0000000000000200 R15: ffffffff8539b610
rcu_read_unlock include/linux/rcupdate.h:720 [inline]
ieee80211_iterate_active_interfaces_atomic+0x92/0x180 net/mac80211/util.c:831
mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1861
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 ba 0b 1f f8 48 89 ef e8 02 82 1f f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 23 4c 12 f8 65 8b 05 dc a0 c4 76 85 c0 74 0a 5b 5d c3 e8 f0 3a
RSP: 0018:ffffc90002a3f668 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1fabd56
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001
RBP: ffffffff904b1cc8 R08: 0000000000000001 R09: ffffffff8fd5ba07
R10: 0000000000000001 R11: 0000000000000000 R12: 1ffffffff2096398
R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000
__debug_check_no_obj_freed lib/debugobjects.c:1002 [inline]
debug_check_no_obj_freed+0x20c/0x420 lib/debugobjects.c:1023
slab_free_hook mm/slub.c:1698 [inline]
slab_free_freelist_hook+0xeb/0x1c0 mm/slub.c:1749
slab_free mm/slub.c:3513 [inline]
kmem_cache_free+0x92/0x5e0 mm/slub.c:3529
adjust_va_to_fit_type mm/vmalloc.c:1340 [inline]
__alloc_vmap_area mm/vmalloc.c:1456 [inline]
alloc_vmap_area+0x1433/0x1dc0 mm/vmalloc.c:1547
__get_vm_area_node.constprop.0+0x128/0x380 mm/vmalloc.c:2434
__vmalloc_node_range+0x12f/0xab0 mm/vmalloc.c:3055
__vmalloc_node mm/vmalloc.c:3114 [inline]
__vmalloc+0x69/0x80 mm/vmalloc.c:3128
bpf_prog_alloc_no_stats+0x38/0x350 kernel/bpf/core.c:88
bpf_prog_alloc+0x28/0x1a0 kernel/bpf/core.c:122
bpf_prog_load+0x746/0x21e0 kernel/bpf/syscall.c:2276
__sys_bpf+0x67e/0x5f00 kernel/bpf/syscall.c:4618
__do_sys_bpf kernel/bpf/syscall.c:4722 [inline]
__se_sys_bpf kernel/bpf/syscall.c:4720 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:4720
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f6431b73ae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f642f0a7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f6431c870e0 RCX: 00007f6431b73ae9
RDX: 0000000000000048 RSI: 000000002000e000 RDI: 0000000000000005
RBP: 00007f6431bcdf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc10a92fff R14: 00007f642f0a7300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: cc int3
1: cc int3
2: cc int3
3: cc int3
4: cc int3
5: cc int3
6: cc int3
7: cc int3
8: cc int3
9: cc int3
a: cc int3
b: cc int3
c: cc int3
d: cc int3
e: 65 8b 05 39 ae 8a 7e mov %gs:0x7e8aae39(%rip),%eax # 0x7e8aae4e
15: 89 c2 mov %eax,%edx
17: 81 e2 00 01 00 00 and $0x100,%edx
1d: a9 00 01 ff 00 test $0xff0100,%eax
22: 74 10 je 0x34
24: 31 c0 xor %eax,%eax
26: 85 d2 test %edx,%edx
28: 74 15 je 0x3f
* 2a: 8b 96 a4 15 00 00 mov 0x15a4(%rsi),%edx <-- trapping instruction
30: 85 d2 test %edx,%edx
32: 74 0b je 0x3f
34: 8b 86 80 15 00 00 mov 0x1580(%rsi),%eax
3a: 39 f8 cmp %edi,%eax
3c: 0f 94 c0 sete %al
3f: c3 retq