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BUG: KMSAN: uninit-value in do_profile_hits kernel/profile.c:308 [inline]
BUG: KMSAN: uninit-value in profile_hits+0xbd1/0x12f0 kernel/profile.c:398
CPU: 1 PID: 56 Comm: kworker/1:1 Not tainted 5.12.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events nsim_dev_trap_report_work
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0x24c/0x2e0 lib/dump_stack.c:120
 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197
 do_profile_hits kernel/profile.c:308 [inline]
 profile_hits+0xbd1/0x12f0 kernel/profile.c:398
 profile_hit include/linux/profile.h:64 [inline]
 profile_tick+0x215/0x220 kernel/profile.c:408
 tick_sched_handle kernel/time/tick-sched.c:227 [inline]
 tick_sched_timer+0x472/0x5b0 kernel/time/tick-sched.c:1369
 __run_hrtimer+0x48b/0xd20 kernel/time/hrtimer.c:1537
 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline]
 hrtimer_interrupt+0x6e2/0x1b50 kernel/time/hrtimer.c:1663
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x470 arch/x86/kernel/apic/apic.c:1106
 sysvec_apic_timer_interrupt+0xc1/0xf0 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:650
RIP: 0010:_raw_spin_unlock_irqrestore+0x62/0x80 kernel/locking/spinlock.c:192
Code: 00 00 41 c6 04 24 00 81 e3 00 02 00 00 41 81 e7 00 02 00 00 48 85 db 74 0a f7 d3 44 21 fb 48 85 db 74 16 4d 85 ff 74 01 fb 5b <41> 5c 41 5e 41 5f 5d c3 e8 11 ca b6 f2 eb be 44 89 f7 e8 07 ca b6
RSP: 0018:ffff88810251f970 EFLAGS: 00000206
RAX: ffff8880bb53f648 RBX: 0000000000000000 RCX: 00000000bb93f648
RDX: ffff8880bb93f648 RSI: 0000000000000200 RDI: ffff88810013f648
RBP: ffff88810251f988 R08: ffffea000000000f R09: ffff88813fffa000
R10: 0000000099156860 R11: 00000000cab2f74a R12: ffff88810013f648
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000200
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 _extract_crng+0x678/0x6c0 drivers/char/random.c:1019
 extract_crng drivers/char/random.c:1032 [inline]
 _get_random_bytes+0x373/0x560 drivers/char/random.c:1555
 get_random_bytes+0x106/0x2f0 drivers/char/random.c:1568
 eth_random_addr include/linux/etherdevice.h:225 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:521 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:570 [inline]
 nsim_dev_trap_report_work+0x55f/0x1180 drivers/net/netdevsim/dev.c:611
 process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
 worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
 kthread+0x521/0x560 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294

Local variable ----sg.i@wg_packet_encrypt_worker created at:
 encrypt_packet drivers/net/wireguard/send.c:165 [inline]
 wg_packet_encrypt_worker+0x4d0/0x2420 drivers/net/wireguard/send.c:297
 encrypt_packet drivers/net/wireguard/send.c:165 [inline]
 wg_packet_encrypt_worker+0x4d0/0x2420 drivers/net/wireguard/send.c:297
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