WARNING in arch_install_hw

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-414	WARNING in arch_install_hw_breakpoint	syz			2	2072d	2052d	0/1	public: reported syz repro on 2019/04/13 00:01
upstream	WARNING in arch_install_hw_breakpoint kernel	C	inconclusive	done	8	1955d	2071d	15/28	fixed on 2020/11/16 12:12
android-49	WARNING in arch_install_hw_breakpoint	syz			3	1955d	2050d	0/3	public: reported syz repro on 2019/04/14 09:28

android-414

WARNING in arch_install_hw_breakpoint

syz

2072d

2052d

0/1

public: reported syz repro on 2019/04/13 00:01

upstream

WARNING in arch_install_hw_breakpoint kernel

inconclusive

done

1955d

2071d

15/28

fixed on 2020/11/16 12:12

android-49

WARNING in arch_install_hw_breakpoint

syz

1955d

2050d

0/3

public: reported syz repro on 2019/04/14 09:28

Created	Duration	User	Patch	Repo	Result
2023/01/25 13:32	9m	retest repro		linux-4.14.y	report log
2022/09/07 18:27	8m	retest repro		linux-4.14.y	report log

Created

Duration

User

Patch

Repo

Result

2023/01/25 13:32

retest repro

linux-4.14.y

report log

2022/09/07 18:27

retest repro

linux-4.14.y

report log


Created	Duration	User	Repo	Result
2020/07/13 10:04	34m	bisect fix	linux-4.14.y	OK (2) job log
2020/06/13 09:06	35m	bisect fix	linux-4.14.y	OK (0) job log log
2020/05/14 07:11	34m	bisect fix	linux-4.14.y	OK (0) job log log
2020/04/14 06:43	27m	bisect fix	linux-4.14.y	OK (0) job log log
2020/03/15 05:57	36m	bisect fix	linux-4.14.y	OK (0) job log log
2020/02/14 05:26	31m	bisect fix	linux-4.14.y	OK (0) job log log
2020/01/15 04:53	32m	bisect fix	linux-4.14.y	OK (0) job log log
2019/12/16 04:22	31m	bisect fix	linux-4.14.y	OK (0) job log log

Can't find any breakpoint slot ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27774 at arch/x86/kernel/hw_breakpoint.c:121 arch_install_hw_breakpoint.cold+0x13/0x1f /arch/x86/kernel/hw_breakpoint.c:121 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 27774 Comm: syz-executor.5 Not tainted 4.14.133 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack /lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c /lib/dump_stack.c:53 panic+0x1f2/0x426 /kernel/panic.c:182 __warn.cold+0x2f/0x36 /kernel/panic.c:546 report_bug+0x216/0x254 /lib/bug.c:186 fixup_bug /arch/x86/kernel/traps.c:177 [inline] fixup_bug /arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bb/0x310 /arch/x86/kernel/traps.c:295 do_invalid_op+0x1b/0x20 /arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 /arch/x86/entry/entry_64.S:960 RIP: 0010:arch_install_hw_breakpoint.cold+0x13/0x1f /arch/x86/kernel/hw_breakpoint.c:121 RSP: 0018:ffff8881f3f9f818 EFLAGS: 00010082 RAX: 000000000000001e RBX: ffff8880aee1ecf8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffed103e7f3ef9 RBP: ffff8881f3f9f858 R08: 000000000000001e R09: 0000000000000000 R10: 0000000000000000 R11: ffff8880808ae180 R12: ffff88808a05d2c0 R13: dffffc0000000000 R14: 0000000000000004 R15: 000000000001ed00 hw_breakpoint_add+0x90/0x120 /kernel/events/hw_breakpoint.c:574 event_sched_in.isra.0+0x3c7/0xba0 /kernel/events/core.c:2128 group_sched_in+0x110/0x450 /kernel/events/core.c:2168 ctx_flexible_sched_in /kernel/events/core.c:3193 [inline] ctx_sched_in+0x909/0x1700 /kernel/events/core.c:3239 perf_event_sched_in+0x6e/0xa0 /kernel/events/core.c:2326 perf_event_context_sched_in /kernel/events/core.c:3279 [inline] __perf_event_task_sched_in+0x574/0x7c0 /kernel/events/core.c:3318 perf_event_task_sched_in /./include/linux/perf_event.h:1087 [inline] finish_task_switch+0x3e7/0x650 /kernel/sched/core.c:2663 context_switch /kernel/sched/core.c:2810 [inline] __schedule+0x7c0/0x1cd0 /kernel/sched/core.c:3383 schedule+0x92/0x1c0 /kernel/sched/core.c:3427 freezable_schedule /./include/linux/freezer.h:172 [inline] ptrace_stop+0x41a/0x950 /kernel/signal.c:1942 do_jobctl_trap /kernel/signal.c:2161 [inline] get_signal+0x1401/0x1cd0 /kernel/signal.c:2288 do_signal+0x86/0x19a0 /arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x15c/0x220 /arch/x86/entry/common.c:160 prepare_exit_to_usermode /arch/x86/entry/common.c:199 [inline] syscall_return_slowpath /arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4bc/0x640 /arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459819 RSP: 002b:00007fadbba62c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000129 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000459819 RDX: 0000000000000016 RSI: 0000000000000b17 RDI: 0000000000000b17 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 00007fadbba636d4 R13: 00000000004c6cd6 R14: 00000000004dbf68 R15: 00000000ffffffff ======================================================