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WARNING in kcov_remote_start

Status: closed as invalid on 2019/09/03 16:37
Subsystems: usb
[Documentation on labels]
First crash: 1973d, last: 1973d
▶ ▼ Similar bugs (6)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in kcov_remote_start 4 18d 117d 0/3 upstream: reported on 2024/10/02 09:28
upstream WARNING in kcov_remote_start (4) usb 107983 201d 232d 26/28 fixed on 2024/07/10 08:24
upstream WARNING in kcov_remote_start (2) usb C 1153 1973d 1973d 0/28 closed as invalid on 2019/09/04 14:27
upstream WARNING in kcov_remote_start (5) wireless 4243 97d 197d 28/28 fixed on 2024/10/22 14:56
upstream WARNING in kcov_remote_start (3) usb 265513 236d 305d 25/28 fixed on 2024/06/05 13:52
upstream WARNING in kcov_remote_start (6) wireless 33 5d07h 84d 0/28 upstream: reported on 2024/11/04 21:25

Sample crash report:
random: crng init done
------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 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: 0 Comm: swapper/1 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:ffff8881db309ae8 EFLAGS: 00010082
RAX: 0000000000000024 RBX: ffff8881d5610000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b66134f
RBP: ffff8881d5610000 R08: 0000000000000024 R09: fffffbfff0f139e4
R10: fffffbfff0f139e3 R11: ffffffff8789cf1b R12: ffff8881d482a6c8
R13: ffff8881d76cc238 R14: dffffc0000000000 R15: ffff8881d78d8000
 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:default_idle+0x28/0x2e0 arch/x86/kernel/process.c:581
Code: 90 90 41 56 41 55 65 44 8b 2d 54 d8 93 7a 41 54 55 53 0f 1f 44 00 00 e8 46 49 d5 fb e9 07 00 00 00 0f 00 2d ea 7d 54 00 fb f4 <65> 44 8b 2d 30 d8 93 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffff8881da217dc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: ffff8881da1fb000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881da1fb844
RBP: ffffed103b43f600 R08: ffff8881da1fb000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000
 cpuidle_idle_call kernel/sched/idle.c:154 [inline]
 do_idle+0x3c2/0x4f0 kernel/sched/idle.c:263
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:354
 start_secondary+0x297/0x340 arch/x86/kernel/smpboot.c:264
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (655):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/09/03 14:37 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report syz C ci2-upstream-usb
2019/09/03 16:32 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 16:25 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 16:18 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 16:11 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 16:04 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:57 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:50 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:42 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:35 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:28 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:22 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:15 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:08 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 15:01 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:55 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:48 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:41 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:31 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:21 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:13 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:07 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 14:00 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:53 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:46 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:39 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:33 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:26 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:20 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:14 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:07 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:00 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:00 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 13:00 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:58 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:58 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:58 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:58 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:58 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:58 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:58 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:57 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
2019/09/03 12:57 https://github.com/google/kasan.git usb-fuzzer d8de11cd5a29 48448e71 .config console log report ci2-upstream-usb
* Struck through repros no longer work on HEAD.