Dmitry Vyukov dvyukov
dvyukov
/ gist:ad3957446f8a9239b4c1ad4f0575316b
Created
July 18, 2022 13:07
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| dashboard/app/dashboard.go: log.Logf(0, "failed to start profiler: %v", err) | |
| pkg/build/gvisor.go: log.Logf(0, "bazel: %v", buildArgs) | |
| pkg/build/gvisor.go: log.Logf(0, "bazel: %v", aqueryArgs) | |
| pkg/cover/backend/elf.go: log.Logf(0, "ignoring module %v without DEBUG_INFO", module.Name) | |
| pkg/cover/backend/modules.go: log.Logf(0, "failed to discover module %v", mod.Name) | |
| pkg/cover/backend/modules.go: log.Logf(0, "module %v -> %v", mod.Name, path) | |
| pkg/cover/backend/modules.go: log.Logf(0, "failed to get %v module name: %v", path, err) | |
| pkg/host/features.go: log.Logf(1, "executor %v\n%s", args, output) | |
| pkg/host/syscalls.go: log.Logf(1, "detecting supported syscalls") | |
| pkg/instance/instance.go: log.Logf(0, "failed to symbolize report: %v", err) |
dvyukov
/ gist:4bbd36a5c8f9650fb80a3fb40544d0a1
Created
July 16, 2022 07:03
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| Collecting stacktraces from all running threads with gdb: | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () | |
| #0 0x000000000b49896c in __tsan_unaligned_read8 () | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () | |
| #0 0x000000000b408e47 in __sanitizer::internal_sched_yield() () |
dvyukov
/ gist:a5f3261f9471c662f61eae0b3219a8e0
Created
May 6, 2022 08:04
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| 00000000004b9af0 <_ZN6__tsan16TraceMutexUnlockEPNS_11ThreadStateEm>: | |
| 4b9af0: 41 56 push %r14 | |
| 4b9af2: 53 push %rbx | |
| 4b9af3: 50 push %rax | |
| 4b9af4: 48 89 f3 mov %rsi,%rbx | |
| 4b9af7: 49 89 fe mov %rdi,%r14 | |
| 4b9afa: 48 8b 47 18 mov 0x18(%rdi),%rax | |
| 4b9afe: 8d 48 08 lea 0x8(%rax),%ecx | |
| 4b9b01: f7 c1 f0 0f 00 00 test $0xff0,%ecx | |
| 4b9b07: 74 1b je 4b9b24 <_ZN6__tsan16TraceMutexUnlockEPNS_11ThreadStateEm+0x34> |
dvyukov
/ gist:11fac2aba443ec2206648055c9e5d5a1
Created
May 6, 2022 08:04
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| 00000000004b9af0 <_ZN6__tsan16TraceMutexUnlockEPNS_11ThreadStateEm>: | |
| 4b9af0: 41 56 push %r14 | |
| 4b9af2: 53 push %rbx | |
| 4b9af3: 50 push %rax | |
| 4b9af4: 48 89 f3 mov %rsi,%rbx | |
| 4b9af7: 49 89 fe mov %rdi,%r14 | |
| 4b9afa: 48 8b 47 18 mov 0x18(%rdi),%rax | |
| 4b9afe: 8d 48 08 lea 0x8(%rax),%ecx | |
| 4b9b01: f7 c1 f0 0f 00 00 test $0xff0,%ecx | |
| 4b9b07: 74 1b je 4b9b24 <_ZN6__tsan16TraceMutexUnlockEPNS_11ThreadStateEm+0x34> |
dvyukov
/ gist:35e97df53eab972372f2bc621e06fb4a
Created
February 16, 2022 11:44
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| $ git fetch git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | |
| $ git log --oneline --grep syz v5.15..linux-stable/linux-5.15.y | wc -l | |
| 127 | |
| $ git log --oneline --grep syz v5.10..linux-stable/linux-5.10.y | wc -l | |
| 501 | |
| $ git log --oneline --grep syz v5.4..linux-stable/linux-5.4.y | wc -l | |
| 819 | |
| $ git log --oneline --grep syz v4.19..linux-stable/linux-4.19.y | wc -l | |
| 1104 | |
| $ git log --oneline --grep syz v4.14..linux-stable/linux-4.14.y | wc -l |
dvyukov
/ gist:58dc717e13bc99df36e4a056e28a2a4a
Created
February 16, 2022 09:03
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| syzkaller$ git log --format=%ae | sort | uniq -c | sort -rn | |
| 4231 [email protected] | |
| 537 [email protected] | |
| 161 [email protected] | |
| 161 [email protected] | |
| 120 [email protected] | |
| 80 [email protected] | |
| 52 [email protected] | |
| 49 [email protected] | |
| 43 [email protected] |
dvyukov
/ gist:3dc3d4a9f218f6fe642df9ef627e97ca
Created
December 3, 2021 09:07
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| ================== | |
| WARNING: ThreadSanitizer: data race (pid=23518) | |
| Atomic read of size 1 at 0x7b1c00046410 by thread T13: | |
| #0 pthread_mutex_trylock /b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/tsan/rtl/tsan_interceptors_posix.cpp:1337:3 (unit_tests+0x55a83aa) | |
| #1 base::internal::LockImpl::Try() base/synchronization/lock_impl.h:114:12 (unit_tests+0x5ce57b0) | |
| #2 Lock base/synchronization/lock_impl.h:93:7 (unit_tests+0x11a6de1f) | |
| #3 Acquire base/synchronization/lock.h:54:11 (unit_tests+0x11a6de1f) | |
| #4 BasicAutoLock base/synchronization/lock_impl.h:134:11 (unit_tests+0x11a6de1f) | |
| #5 base::FeatureList::CheckFeatureIdentity(base::Feature const&) base/feature_list.cc:723:12 (unit_tests+0x11a6de1f) | |
| #6 base::FeatureList::GetOverrideState(base::Feature const&) base/feature_list.cc:548:3 (unit_tests+0x11a6dd27) |
dvyukov
/ gist:d898e8abaffe5809d9a3ec517ec81ae6
Created
November 25, 2021 15:55
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| 00000000004ba450 <__tsan_read16>: | |
| 4ba450: 49 89 f9 mov %rdi,%r9 | |
| 4ba453: 48 c7 c1 c0 f8 ff ff mov $0xfffffffffffff8c0,%rcx | |
| 4ba45a: 64 48 8b 79 28 mov %fs:0x28(%rcx),%rdi | |
| 4ba45f: 8b 17 mov (%rdi),%edx | |
| 4ba461: 85 d2 test %edx,%edx | |
| 4ba463: 0f 88 82 00 00 00 js 4ba4eb <__tsan_read16+0x9b> | |
| 4ba469: 4c 8b 04 24 mov (%rsp),%r8 | |
| 4ba46d: 4b 8d 0c 09 lea (%r9,%r9,1),%rcx | |
| 4ba471: 48 b8 f0 ff ff ff ff movabs $0xffff0ffffffffff0,%rax |
dvyukov
/ gist:69bf08dc5382c4512fea08ab95f87c61
Created
November 25, 2021 15:55
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| 00000000004ba420 <__tsan_read16>: | |
| 4ba420: 53 push %rbx | |
| 4ba421: 49 89 f9 mov %rdi,%r9 | |
| 4ba424: 48 c7 c0 c0 f8 ff ff mov $0xfffffffffffff8c0,%rax | |
| 4ba42b: 64 48 8b 78 28 mov %fs:0x28(%rax),%rdi | |
| 4ba430: 8b 17 mov (%rdi),%edx | |
| 4ba432: 85 d2 test %edx,%edx | |
| 4ba434: 0f 88 9e 00 00 00 js 4ba4d8 <__tsan_read16+0xb8> | |
| 4ba43a: 4c 8b 44 24 08 mov 0x8(%rsp),%r8 | |
| 4ba43f: 4b 8d 04 09 lea (%r9,%r9,1),%rax |
dvyukov
/ gist:993dae6ce34d3032970c9ee19ee6a094
Created
August 13, 2021 06:27
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| generating linux/s390x... | |
| dev_kvm.txt: failed to run compiler: s390x-linux-gnu-gcc [-nostdinc -w -fmessage-length=0 -O3 -I. -D__KERNEL__ -DKBUILD_MODNAME="-" -Iarch/s390/include -I/tmp/syzkaller-kernel-build543436297/arch/s390/include/generated/uapi -I/tmp/syzkaller-kernel-build543436297/arch/s390/include/generated -Iarch/s390/include/asm/mach-malta -Iarch/s390/include/asm/mach-generic -I/tmp/syzkaller-kernel-build543436297/include -Iinclude -Iarch/s390/include/uapi -I/tmp/syzkaller-kernel-build543436297/arch/s390/include/generated/uapi -Iinclude/uapi -I/tmp/syzkaller-kernel-build543436297/include/generated/uapi -I/syzkaller/kernel -Iinclude/linux -I/tmp/syzkaller-kernel-build543436297/syzkaller -include include/linux/kconfig.h -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -static] | |
| exit status 1 | |
| In file included from include/asm-generic/ioctl.h:5, | |
| from /tmp/syzkaller-kernel-build543436297/arch/s390/include/generated/uapi/asm/ioctl.h:1, | |