------------[ cut here ]------------
WARNING: CPU: 0 PID: 2733 at kernel/kcov.c:684 kcov_remote_start.cold+0xc/0x26 kernel/kcov.c:684
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 2733 Comm: kworker/u4:3 Not tainted 5.3.0-rc7+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xca/0x13e lib/dump_stack.c:113
 panic+0x2a3/0x6da kernel/panic.c:219
 __warn.cold+0x20/0x4a kernel/panic.c:576
 report_bug+0x262/0x2a0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:272
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028
RIP: 0010:kcov_remote_start.cold+0xc/0x26 kernel/kcov.c:684
Code: b0 f8 ff ff 48 c7 c7 d8 dd a4 86 e8 54 93 ea ff 0f 0b 5b 4c 89 e7 5d 41 5c e9 9d e7 2f 04 48 c7 c7 d8 dd a4 86 e8 3a 93 ea ff <0f> 0b e9 93 fd ff ff 48 c7 c7 d8 dd a4 86 e8 27 93 ea ff 0f 0b e9
RSP: 0018:ffff8881db209ae8 EFLAGS: 00010082
RAX: 0000000000000024 RBX: ffff8881d5616e80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b64134f
RBP: ffff8881d5616e80 R08: 0000000000000024 R09: ffffed103b645d58
R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881ca07d488
R13: ffff8881d5600038 R14: dffffc0000000000 R15: ffff8881cc13af00
 dummy_timer+0x125f/0x301a drivers/usb/gadget/udc/dummy_hcd.c:1965
 call_timer_fn+0x179/0x650 kernel/time/timer.c:1322
 expire_timers kernel/time/timer.c:1366 [inline]
 __run_timers kernel/time/timer.c:1685 [inline]
 __run_timers kernel/time/timer.c:1653 [inline]
 run_timer_softirq+0x5cc/0x14b0 kernel/time/timer.c:1698
 __do_softirq+0x221/0x912 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x178/0x1a0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:537 [inline]
 smp_apic_timer_interrupt+0x12f/0x500 arch/x86/kernel/apic/apic.c:1133
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:199 [inline]
RIP: 0010:__read_seqcount_begin include/linux/seqlock.h:113 [inline]
RIP: 0010:raw_read_seqcount_begin include/linux/seqlock.h:148 [inline]
RIP: 0010:read_seqcount_begin include/linux/seqlock.h:165 [inline]
RIP: 0010:read_seqbegin include/linux/seqlock.h:433 [inline]
RIP: 0010:path_init+0x676/0x1440 fs/namei.c:2203
Code: c7 c8 26 c1 86 e8 ca 28 ba ff 31 ff 4c 89 f6 e8 30 92 d2 ff 4d 85 f6 59 0f 84 fc 03 00 00 e8 91 90 d2 ff e8 3c ba d7 ff 53 9d <e8> 85 90 d2 ff 48 c7 c3 c0 26 c1 86 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffff8881b1b2f918 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000246 RCX: 0000000000000006
RDX: 0000000000000000 RSI: ffff8881c92ea070 RDI: ffff8881c92ea044
RBP: ffff8881b1b2f9c0 R08: ffff8881c92e9800 R09: fffffbfff11ad795
R10: fffffbfff11ad794 R11: ffffffff88d6bca7 R12: ffff8881b1b2fb80
R13: 0000000000000040 R14: 0000000000000200 R15: ffff8881b1b33320
 path_openat+0x195/0x3f50 fs/namei.c:3531
 do_filp_open+0x1a1/0x280 fs/namei.c:3563
 do_open_execat+0x122/0x600 fs/exec.c:857
 __do_execve_file.isra.0+0x16e7/0x2280 fs/exec.c:1761
 do_execveat_common fs/exec.c:1868 [inline]
 do_execve+0x2e/0x40 fs/exec.c:1885
 call_usermodehelper_exec_async+0x582/0x710 kernel/umh.c:112
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..