------------[ cut here ]------------
WARNING: CPU: 1 PID: 2764 at kernel/kcov.c:684 kcov_remote_start.cold+0xc/0x26 kernel/kcov.c:684
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 2764 Comm: syz-executor.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:ffff8881db309ae8 EFLAGS: 00010082
RAX: 0000000000000024 RBX: ffff8881d563ee80 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b66134f
RBP: ffff8881d563ee80 R08: 0000000000000024 R09: ffffed103b665d58
R10: ffffed103b665d57 R11: ffff8881db32eabf R12: ffff8881c8c2b248
R13: ffff8881d55f0038 R14: dffffc0000000000 R15: ffff8881c8d20200
 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:preempt_count arch/x86/include/asm/preempt.h:26 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:152 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x9/0x50 kernel/kcov.c:186
Code: 25 bc 28 d0 07 41 bc f4 ff ff ff e8 9a a1 ea ff 48 c7 05 a6 28 d0 07 00 00 00 00 e9 ee eb ff ff 90 65 48 8b 04 25 00 ef 01 00 <65> 8b 15 18 14 c4 7e 81 e2 00 01 1f 00 48 8b 34 24 75 2b 8b 90 20
RSP: 0018:ffff8881c819f710 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8881c8f14800 RBX: 0000000000000000 RCX: ffffffff815cb0d7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffea0006cfe640 R08: ffff8881c8f14800 R09: fffff94000d9fcc9
R10: fffff94000d9fcc8 R11: ffffea0006cfe647 R12: 0000000000000000
R13: ffffea0006cfe648 R14: 0000000000000000 R15: dead000000000100
 page_remove_file_rmap mm/rmap.c:1218 [inline]
 page_remove_rmap+0x1e5/0x5a0 mm/rmap.c:1303
 zap_pte_range mm/memory.c:1059 [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+0xb6e/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: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f537f7f1cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 000000000075bf28 RCX: 0000000000459879
RDX: 00000000004c8c86 RSI: 0000000000000081 RDI: 000000000075bf2c
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007fff1db8b4af R14: 00007f537f7f29c0 R15: 000000000075bf2c
Kernel Offset: disabled
Rebooting in 86400 seconds..