------------[ cut here ]------------
WARNING: CPU: 0 PID: 2785 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: 2785 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: ffff8881d56c9980 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b64134f
RBP: ffff8881d56c9980 R08: 0000000000000024 R09: ffffed103b645d58
R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881ca7d4788
R13: ffff8881d561a138 R14: dffffc0000000000 R15: ffff8881cb637400
 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:clear_page_erms+0x7/0x10 arch/x86/lib/clear_page_64.S:49
Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 <f3> aa c3 90 90 90 90 90 90 41 57 41 56 41 55 41 54 55 53 48 89 fb
RSP: 0018:ffff8881d9b571e8 EFLAGS: 00010246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: 0000000000000301 RCX: 0000000000001000
RDX: ffffed103b30984f RSI: dffffc0000000000 RDI: ffff8881b0c00000
RBP: ffffea0006c30000 R08: ffffea0006c30040 R09: ffff8881d984c278
R10: fffff94000d86006 R11: ffffea0006c30037 R12: 0000000000000000
R13: 0000000000100dca R14: ffffea0006c30000 R15: ffff8881d984b000
 clear_page arch/x86/include/asm/page_64.h:49 [inline]
 clear_highpage include/linux/highmem.h:214 [inline]
 kernel_init_free_pages mm/page_alloc.c:1124 [inline]
 prep_new_page+0x19b/0x300 mm/page_alloc.c:2156
 get_page_from_freelist+0x155d/0x3250 mm/page_alloc.c:3680
 __alloc_pages_nodemask+0x29a/0x780 mm/page_alloc.c:4714
 alloc_pages_vma+0x1b0/0x3e0 mm/mempolicy.c:2116
 alloc_zeroed_user_highpage_movable include/linux/highmem.h:208 [inline]
 wp_page_copy+0xf7f/0x1950 mm/memory.c:2312
 do_wp_page+0x2cd/0x1b40 mm/memory.c:2619
 handle_pte_fault mm/memory.c:3856 [inline]
 __handle_mm_fault+0x140f/0x2970 mm/memory.c:3964
 handle_mm_fault+0x2f1/0x900 mm/memory.c:4001
 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline]
 __do_page_fault+0x62b/0xcc0 arch/x86/mm/fault.c:1506
 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1202
RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:205
Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 <f3> a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 89 d1 f3 a4
RSP: 0018:ffff8881d9b57a08 EFLAGS: 00010206
RAX: 0000000000000001 RBX: 0000000000001000 RCX: 0000000000000200
RDX: 0000000000001000 RSI: ffff8881b168de00 RDI: 0000000020367000
RBP: 0000000020366200 R08: ffffed10362d1c00 R09: 0000000000000000
R10: ffffed10362d1bff R11: ffff8881b168dfff R12: ffff8881b168d000
R13: 0000000020367200 R14: 00007ffffffff000 R15: 0000000000000000
 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:128 [inline]
 copyout+0x11c/0x140 lib/iov_iter.c:142
 copy_page_to_iter_iovec lib/iov_iter.c:211 [inline]
 copy_page_to_iter+0x327/0xdd0 lib/iov_iter.c:900
 generic_file_buffered_read mm/filemap.c:2164 [inline]
 generic_file_read_iter+0xffd/0x29c0 mm/filemap.c:2344
 ext4_file_read_iter+0x145/0x1b0 fs/ext4/file.c:77
 call_read_iter include/linux/fs.h:1864 [inline]
 new_sync_read+0x418/0x6d0 fs/read_write.c:414
 __vfs_read+0xc9/0x100 fs/read_write.c:427
 vfs_read+0x1ea/0x430 fs/read_write.c:461
 ksys_read+0x127/0x250 fs/read_write.c:587
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296
 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:00007f6a26186c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879
RDX: 00000000ffffffad RSI: 0000000020003200 RDI: 0000000000000005
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a261876d4
R13: 00000000004c6ced R14: 00000000004dc058 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..