------------[ cut here ]------------
WARNING: CPU: 0 PID: 2761 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: 2761 Comm: syz-executor.0 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: ffff8881d56a4c80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b64134f
RBP: ffff8881d56a4c80 R08: 0000000000000024 R09: ffffed103b645d58
R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881c9fb16c8
R13: ffff8881d5614238 R14: dffffc0000000000 R15: ffff8881d3fc6b00
 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:write_comp_data+0x1e/0x70 kernel/kcov.c:207
Code: 48 89 11 c3 0f 1f 84 00 00 00 00 00 65 4c 8b 04 25 00 ef 01 00 65 8b 05 c8 13 c4 7e a9 00 01 1f 00 75 51 41 8b 80 20 12 00 00 <83> f8 03 75 45 49 8b 80 28 12 00 00 45 8b 80 24 12 00 00 4c 8b 08
RSP: 0018:ffff8881b12676a8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffff8158ff73
RDX: 80000001c7488007 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 1ffff1103624ced7 R08: ffff8881c8800000 R09: fffff94000e3a43f
R10: fffff94000e3a43e R11: ffffea00071d21f3 R12: ffff8881d1276100
R13: 00007ff9206b1000 R14: 80000001c7488007 R15: dffffc0000000000
 __pte_needs_invert arch/x86/include/asm/pgtable-invert.h:18 [inline]
 protnone_mask arch/x86/include/asm/pgtable-invert.h:24 [inline]
 pte_pfn arch/x86/include/asm/pgtable.h:214 [inline]
 vm_normal_page+0x93/0x2a0 mm/memory.c:577
 zap_pte_range mm/memory.c:1032 [inline]
 zap_pmd_range mm/memory.c:1161 [inline]
 zap_pud_range mm/memory.c:1190 [inline]
 zap_p4d_range mm/memory.c:1211 [inline]
 unmap_page_range+0x83e/0x1970 mm/memory.c:1232
 unmap_single_vma+0x196/0x300 mm/memory.c:1277
 unmap_vmas+0x122/0x270 mm/memory.c:1309
 exit_mmap+0x278/0x4d0 mm/mmap.c:3145
 __mmput kernel/fork.c:1064 [inline]
 mmput+0xce/0x3d0 kernel/fork.c:1085
 exit_mm kernel/exit.c:547 [inline]
 do_exit+0x823/0x2c00 kernel/exit.c:866
 do_group_exit+0x125/0x340 kernel/exit.c:983
 get_signal+0x466/0x23d0 kernel/signal.c:2734
 do_signal+0x88/0x14e0 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x1a2/0x200 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x45f/0x580 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459879
Code: Bad RIP value.
RSP: 002b:00007ff91e502cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007ffe0fb9490f R14: 00007ff91e5039c0 R15: 000000000075bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..