===================================================== BUG: KMSAN: uninit-value in irqtime_account_irq+0x387/0x520 kernel/sched/cputime.c:70 irqtime_account_irq+0x387/0x520 kernel/sched/cputime.c:70 account_hardirq_enter include/linux/vtime.h:153 [inline] irq_enter_rcu+0x8e/0xb0 kernel/softirq.c:602 sysvec_apic_timer_interrupt+0x95/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 crng_make_state+0x7f2/0xa00 _get_random_bytes+0x196/0x530 drivers/char/random.c:483 get_random_bytes+0x11c/0x2f0 drivers/char/random.c:520 eth_random_addr include/linux/etherdevice.h:232 [inline] nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:749 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:799 [inline] nsim_dev_trap_report_work+0x518/0x11a0 drivers/net/netdevsim/dev.c:840 process_one_work+0xdb6/0x1820 kernel/workqueue.c:2289 worker_thread+0x10d0/0x2240 kernel/workqueue.c:2436 kthread+0x3c7/0x500 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 Local variable regs created at: __bpf_prog_run32+0x84/0x180 kernel/bpf/core.c:2073 bpf_dispatcher_nop_func include/linux/bpf.h:804 [inline] __bpf_prog_run include/linux/filter.h:621 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2022 [inline] bpf_trace_run1+0x1b0/0x310 kernel/trace/bpf_trace.c:2058 CPU: 1 PID: 3539 Comm: kworker/1:3 Not tainted 5.18.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events nsim_dev_trap_report_work =====================================================