cfg80211: failed to load regulatory.db
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2688 jiffies s: 589 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3556 Comm: syz-executor219 Not tainted 6.1.83-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1684 [inline]
RIP: 0010:__hrtimer_run_queues+0x573/0xe50 kernel/time/hrtimer.c:1750
Code: df 4d 89 e5 0f 84 ba 02 00 00 e8 88 d2 10 00 eb 12 e8 81 d2 10 00 49 bf 00 00 00 00 00 fc ff df 4d 89 e5 4d 89 f4 48 8b 04 24 <48> 8d 58 3b 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 56 03
RSP: 0018:ffffc900001e0d60 EFLAGS: 00000046
RAX: ffff88806fcdd340 RBX: 0000000000000001 RCX: ffff88807958d940
RDX: 0000000080010001 RSI: ffffffff8b3d2b20 RDI: ffffffff8b3d2ae0
RBP: ffffc900001e0eb0 R08: ffffffff8179b244 R09: fffffbfff1ce6c9e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b992a4c0
R13: ffffffff88b42120 R14: ffff8880b992a4c0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f95c22fe2f0 CR3: 000000007593d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:207
Code: 44 ea 77 7e 65 8b 15 45 ea 77 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:ffffc90003bdf6d0 EFLAGS: 00000246
RAX: ffffffff81cdc8fc RBX: 0000000000000000 RCX: ffff88807958d940
RDX: 0000000000000000 RSI: ffffc90003bdf880 RDI: ffff888029274380
RBP: ffffc90003bdf8f0 R08: ffffffff81d13612 R09: fffff94000380c87
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88807a887818 R14: ffff888029274380 R15: ffffc90003bdf880
 add_mm_rss_vec+0x1c/0x260 mm/memory.c:502
 zap_pte_range mm/memory.c:1509 [inline]
 zap_pmd_range mm/memory.c:1574 [inline]
 zap_pud_range mm/memory.c:1603 [inline]
 zap_p4d_range mm/memory.c:1624 [inline]
 unmap_page_range+0x2144/0x2740 mm/memory.c:1645
 unmap_vmas+0x48b/0x640 mm/memory.c:1730
 exit_mmap+0x252/0x9f0 mm/mmap.c:3227
 __mmput+0x115/0x3c0 kernel/fork.c:1199
 exit_mm+0x226/0x300 kernel/exit.c:563
 do_exit+0x9f6/0x26a0 kernel/exit.c:856
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1028
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f95c227b029
Code: Unable to access opcode bytes at 0x7f95c227afff.
RSP: 002b:00007ffe2e9266c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95c227b029
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f95c22fb3b0 R08: ffffffffffffffb8 R09: 0000000100000000
R10: 0000000100000000 R11: 0000000000000246 R12: 00007f95c22fb3b0
R13: 0000000000000000 R14: 00007f95c22fdee0 R15: 00007f95c224b4e0
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.715 msecs