------------[ cut here ]------------ WARNING: CPU: 0 PID: 342 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: 342 Comm: udevd Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __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: ffff8881d560bb80 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b64134f RBP: ffff8881d560bb80 R08: 0000000000000024 R09: ffffed103b645d58 R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881c9c60788 R13: ffff8881d55ea138 R14: dffffc0000000000 R15: ffff8881cefe1800 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 RIP: 0010:compound_head include/linux/page-flags.h:176 [inline] RIP: 0010:get_page include/linux/mm.h:1005 [inline] RIP: 0010:copy_one_pte mm/memory.c:772 [inline] RIP: 0010:copy_pte_range mm/memory.c:823 [inline] RIP: 0010:copy_pmd_range mm/memory.c:874 [inline] RIP: 0010:copy_pud_range mm/memory.c:908 [inline] RIP: 0010:copy_p4d_range mm/memory.c:930 [inline] RIP: 0010:copy_page_range+0xb9b/0x1ba0 mm/memory.c:992 Code: 85 c0 48 89 c3 0f 84 69 01 00 00 e8 5f 4d e4 ff 4c 8d 6b 08 4c 89 e8 48 c1 e8 03 42 80 3c 38 00 0f 85 5a 0d 00 00 4c 8b 63 08 <31> ff 49 89 de 4c 89 e6 83 e6 01 48 89 74 24 50 e8 c0 4e e4 ff 48 RSP: 0018:ffff8881d130f880 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffffd4000e932c1 RBX: ffffea0007499600 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81598d41 RDI: 0000000000000006 RBP: 80000001d2658045 R08: ffff8881d122b000 R09: ffffed103a24c531 R10: ffffed103a24c530 R11: ffff8881d1262987 R12: ffffea00074995c8 R13: ffffea0007499608 R14: ffff8881d1262980 R15: dffffc0000000000 dup_mmap kernel/fork.c:592 [inline] dup_mm+0xa98/0x1180 kernel/fork.c:1346 copy_mm kernel/fork.c:1402 [inline] copy_process+0x25d4/0x6700 kernel/fork.c:2017 _do_fork+0x129/0xec0 kernel/fork.c:2369 __do_sys_clone kernel/fork.c:2524 [inline] __se_sys_clone kernel/fork.c:2505 [inline] __x64_sys_clone+0x17e/0x200 kernel/fork.c:2505 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2eb8b57f46 Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 14 25 10 00 00 00 31 d2 49 81 c2 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 31 01 00 00 85 c0 41 89 c4 0f 85 3b 01 00 RSP: 002b:00007ffc66ccc5a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffc66ccc5a0 RCX: 00007f2eb8b57f46 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffc66ccc600 R08: 0000000000000156 R09: 0000000000000156 R10: 00007f2eb9474a70 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc66ccc5c0 R14: 0000000000000005 R15: 0000000000000005 Kernel Offset: disabled Rebooting in 86400 seconds..