------------[ cut here ]------------ WARNING: CPU: 1 PID: 2756 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: 2756 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:ffff8881db309ae8 EFLAGS: 00010082 RAX: 0000000000000024 RBX: ffff8881d55f2200 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b66134f RBP: ffff8881d55f2200 R08: 0000000000000024 R09: ffffed103b665d58 R10: ffffed103b665d57 R11: ffff8881db32eabf R12: ffff8881c950ec08 R13: ffff8881d82ec238 R14: dffffc0000000000 R15: ffff8881c96c9e00 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:on_stack arch/x86/include/asm/stacktrace.h:46 [inline] RIP: 0010:stack_access_ok+0x0/0x130 arch/x86/kernel/unwind_orc.c:335 Code: 48 89 df e8 72 de 54 00 eb 9d be 06 00 00 00 4c 89 e7 e8 53 de 54 00 e9 1c ff ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 <48> b8 00 00 00 00 00 fc ff df 48 89 f9 41 54 49 89 fc 55 48 c1 e9 RSP: 0018:ffff8881b1177498 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 1ffff1103622ee94 RCX: 0000000000000000 RDX: 0000000000000008 RSI: ffff8881b1177f50 RDI: ffff8881b1177600 RBP: ffff8881b1177f50 R08: ffffffff87cc9f18 R09: ffffffff87cc9f1c R10: 00000000000001d6 R11: 000000000004a019 R12: ffff8881b1177648 R13: dffffc0000000000 R14: ffff8881b1177648 R15: 0000000000000001 deref_stack_reg+0x66/0xe0 arch/x86/kernel/unwind_orc.c:345 unwind_next_frame+0x341/0x19e0 arch/x86/kernel/unwind_orc.c:496 arch_stack_walk+0x74/0xd0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9f/0xe0 kernel/stacktrace.c:123 save_stack+0x1b/0x80 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:455 slab_free_hook mm/slub.c:1423 [inline] slab_free_freelist_hook mm/slub.c:1474 [inline] slab_free mm/slub.c:3016 [inline] kmem_cache_free+0xb9/0x380 mm/slub.c:3032 anon_vma_chain_free mm/rmap.c:134 [inline] unlink_anon_vmas+0x467/0x830 mm/rmap.c:419 free_pgtables+0x1ab/0x2f0 mm/memory.c:395 exit_mmap+0x287/0x4d0 mm/mmap.c:3146 __mmput kernel/fork.c:1064 [inline] mmput+0xce/0x3d0 kernel/fork.c:1085 exec_mmap fs/exec.c:1047 [inline] flush_old_exec+0x86f/0x1ea0 fs/exec.c:1280 load_elf_binary+0x99b/0x5090 fs/binfmt_elf.c:867 search_binary_handler fs/exec.c:1658 [inline] search_binary_handler+0x16b/0x580 fs/exec.c:1635 exec_binprm fs/exec.c:1701 [inline] __do_execve_file.isra.0+0x130e/0x2280 fs/exec.c:1821 do_execveat_common fs/exec.c:1868 [inline] do_execve fs/exec.c:1885 [inline] __do_sys_execve fs/exec.c:1961 [inline] __se_sys_execve fs/exec.c:1956 [inline] __x64_sys_execve+0x8a/0xb0 fs/exec.c:1956 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f2442a14207 Code: Bad RIP value. RSP: 002b:00007ffdb9fbd328 EFLAGS: 00000206 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 00007f2442a14207 RDX: 00000000011d5a00 RSI: 00007ffdb9fbd420 RDI: 00007ffdb9fbe430 RBP: 0000000000625500 R08: 00000000000006a3 R09: 00000000000006a3 R10: 0000000000000000 R11: 0000000000000206 R12: 00000000011d5a00 R13: 0000000000000007 R14: 00000000011c4250 R15: 0000000000000005 Kernel Offset: disabled Rebooting in 86400 seconds..