------------[ cut here ]------------
WARNING: CPU: 0 PID: 2833 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: 2833 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:ffff8881db209ae8 EFLAGS: 00010082
RAX: 0000000000000024 RBX: ffff8881d566e600 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b64134f
RBP: ffff8881d566e600 R08: 0000000000000024 R09: ffffed103b645d58
R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881cacbd0c8
R13: ffff8881d560c238 R14: dffffc0000000000 R15: ffff8881d4219500
 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:ffff8881d7977408 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
RAX: ffff8881d975b000 RBX: ffff8881d7977580 RCX: ffffffff856b0fa0
RDX: 0000000000000003 RSI: 0000000000000002 RDI: 0000000000000007
RBP: 0000000000000003 R08: ffff8881d975b000 R09: ffffed103b64677c
R10: ffffed103b64677b R11: ffff8881db233bdb R12: 0000000000000003
R13: ffff8881d7977598 R14: ffffffffffff0000 R15: ffff8881d79776d0
 xas_start+0x6f/0x530 lib/xarray.c:187
 xas_load+0x28/0x2c0 lib/xarray.c:232
 xas_find+0x60b/0x8b0 lib/xarray.c:1085
 find_get_pages_range+0x159/0xc00 mm/filemap.c:1805
 pagevec_lookup_range+0x32/0x70 mm/swap.c:1004
 clean_bdev_aliases+0x169/0x6e0 fs/buffer.c:1576
 clean_bdev_bh_alias include/linux/buffer_head.h:179 [inline]
 __block_write_begin_int+0xac4/0x19b0 fs/buffer.c:1976
 ext4_da_write_begin+0x521/0xc00 fs/ext4/inode.c:3125
 generic_perform_write+0x20a/0x4f0 mm/filemap.c:3327
 __generic_file_write_iter+0x390/0x5c0 mm/filemap.c:3456
 ext4_file_write_iter+0x406/0x1230 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1870 [inline]
 new_sync_write+0x420/0x650 fs/read_write.c:483
 __vfs_write+0xc9/0x100 fs/read_write.c:496
 vfs_write+0x262/0x5c0 fs/read_write.c:558
 ksys_write+0x127/0x250 fs/read_write.c:611
 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:00007f8ea32a6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879
RDX: 0000000020000001 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ea32a76d4
R13: 00000000004c9a75 R14: 00000000004e1170 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..