------------[ cut here ]------------ WARNING: CPU: 0 PID: 1698 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: 1698 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: ffff8881d563cc80 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b64134f RBP: ffff8881d563cc80 R08: 0000000000000024 R09: ffffed103b645d58 R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881ca221488 R13: ffff8881d55fa138 R14: dffffc0000000000 R15: ffff8881c97f3b00 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:qlink_to_object mm/kasan/quarantine.c:137 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:142 [inline] RIP: 0010:qlist_free_all+0x49/0xc0 mm/kasan/quarantine.c:167 Code: 00 00 80 49 bd 00 00 00 00 00 ea ff ff 49 be 00 00 00 80 7f 77 00 00 eb 21 48 63 87 b8 01 00 00 48 c7 c2 48 86 64 81 4c 8b 3e <48> 29 c6 e8 6f b6 ff ff 4d 85 ff 74 39 4c 89 fe 48 85 db 48 89 df RSP: 0018:ffff8881d3de7d50 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffffffffff RDX: ffffffff81648648 RSI: ffff8881d1115600 RDI: ffff8881da037b80 RBP: ffff8881d3de7d88 R08: 0000000000000001 R09: 0000000000000000 R10: ffffea0007222a00 R11: ffffea0007222ae0 R12: 0000000080000000 R13: ffffea0000000000 R14: 0000777f80000000 R15: ffff8881d28cb000 quarantine_reduce+0x162/0x1a0 mm/kasan/quarantine.c:260 __kasan_kmalloc.constprop.0+0x97/0xd0 mm/kasan/common.c:474 slab_post_alloc_hook mm/slab.h:520 [inline] slab_alloc_node mm/slub.c:2770 [inline] slab_alloc mm/slub.c:2778 [inline] kmem_cache_alloc+0xd6/0x2d0 mm/slub.c:2783 inotify_new_watch fs/notify/inotify/inotify_user.c:561 [inline] inotify_update_watch+0x20e/0x510 fs/notify/inotify/inotify_user.c:608 __do_sys_inotify_add_watch fs/notify/inotify/inotify_user.c:745 [inline] __se_sys_inotify_add_watch fs/notify/inotify/inotify_user.c:689 [inline] __x64_sys_inotify_add_watch+0x2b2/0x350 fs/notify/inotify/inotify_user.c:689 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9214c45a07 Code: f0 ff ff 73 01 c3 48 8b 0d 2e 84 2a 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 b8 fe 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 01 84 2a 00 31 d2 48 29 c2 64 RSP: 002b:00007ffe8cbba7e8 EFLAGS: 00000206 ORIG_RAX: 00000000000000fe RAX: ffffffffffffffda RBX: 0000000002172250 RCX: 00007f9214c45a07 RDX: 0000000000000008 RSI: 00000000021a14f0 RDI: 0000000000000006 RBP: 0000000002181fd0 R08: 00007f92155317a0 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000206 R12: 0000000000000001 R13: 00000000021a0540 R14: 0000000002172250 R15: 000000000000000b Kernel Offset: disabled Rebooting in 86400 seconds..