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sync/atomic: TestNilDeref failures #70290

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gopherbot opened this issue Nov 11, 2024 · 7 comments
Closed

sync/atomic: TestNilDeref failures #70290

gopherbot opened this issue Nov 11, 2024 · 7 comments
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compiler/runtime Issues related to the Go compiler and/or runtime. NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

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@gopherbot
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#!watchflakes
default <- pkg == "sync/atomic" && test == "TestNilDeref"

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestNilDeref

— watchflakes
@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Nov 11, 2024
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "sync/atomic" && test == "TestNilDeref"
2024-11-11 17:11 gotip-windows-386 go@5a9aeef9 sync/atomic.TestNilDeref [ABORT] (log) 
=== RUN   TestNilDeref

— watchflakes

@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Nov 11, 2024
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "sync/atomic" && test == "TestNilDeref"
2024-11-11 21:33 gotip-windows-386 go@73ac82f9 sync/atomic.TestNilDeref [ABORT] (log) 
=== RUN   TestNilDeref
fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x8c pc=0xc6c1d1]

runtime stack:
runtime.throw({0xd8d005, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1084 +0x35 fp=0x215ff7bc sp=0x215ff7a8 pc=0xc7d5f5
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x215ff7e0 sp=0x215ff7bc pc=0xc5fa61
runtime.(*unwinder).next(0x215ff848)
...
fatal error: unexpected signal during runtime execution
panic during panic
[signal 0xc0000005 code=0x0 addr=0x8c pc=0xc6c1d1]

runtime stack:
runtime.throw({0xd8d005, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1084 +0x35 fp=0x215ff3d8 sp=0x215ff3c4 pc=0xc7d5f5
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x215ff3fc sp=0x215ff3d8 pc=0xc5fa61
runtime.(*unwinder).next(0x215ff5f0)
...
runtime.markroot(0x142c974, 0x5, 0x1)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:212 +0x1ad fp=0x215ff948 sp=0x215ff8ec pc=0xc2916d
runtime.gcDrain(0x142c974, 0x3)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1188 +0x50f fp=0x215ff998 sp=0x215ff948 pc=0xc2b79f
runtime.gcDrainMarkWorkerDedicated(...)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1112
runtime.gcBgMarkWorker.func2()
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgc.go:1440 +0xa4 fp=0x215ff9c4 sp=0x215ff998 pc=0xc26f34
runtime.systemstack(0x0)
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:374 +0x3d fp=0x215ff9c8 sp=0x215ff9c4 pc=0xc8180d

— watchflakes

@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "sync/atomic" && test == "TestNilDeref"
2024-11-12 01:08 gotip-windows-386 go@c96939fb sync/atomic.TestNilDeref [ABORT] (log) 
=== RUN   TestNilDeref

— watchflakes

@rsc
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rsc commented Nov 12, 2024

Duplicate of #70288.

@rsc rsc closed this as completed Nov 12, 2024
@dmitshur dmitshur closed this as not planned Won't fix, can't repro, duplicate, stale Nov 12, 2024
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "sync/atomic" && test == "TestNilDeref"
2024-11-12 19:51 gotip-windows-386 go@3efbc30f sync/atomic.TestNilDeref [ABORT] (log) 
=== RUN   TestNilDeref
fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x8c pc=0x23c1d1]

runtime stack:
runtime.throw({0x35d005, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1084 +0x35 fp=0xcff838 sp=0xcff824 pc=0x24d5f5
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0xcff85c sp=0xcff838 pc=0x22fa61
runtime.(*unwinder).next(0xcff8c4)
...
fatal error: unexpected signal during runtime execution
panic during panic
[signal 0xc0000005 code=0x0 addr=0x8c pc=0x23c1d1]

runtime stack:
runtime.throw({0x35d005, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1084 +0x35 fp=0xcff454 sp=0xcff440 pc=0x24d5f5
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0xcff478 sp=0xcff454 pc=0x22fa61
runtime.(*unwinder).next(0xcff66c)
...
runtime.markroot(0x142dc74, 0x5, 0x1)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:212 +0x1ad fp=0xcff9c4 sp=0xcff968 pc=0x1f916d
runtime.gcDrain(0x142dc74, 0x3)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1188 +0x50f fp=0xcffa14 sp=0xcff9c4 pc=0x1fb79f
runtime.gcDrainMarkWorkerDedicated(...)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1112
runtime.gcBgMarkWorker.func2()
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgc.go:1440 +0xa4 fp=0xcffa40 sp=0xcffa14 pc=0x1f6f34
runtime.systemstack(0x251729)
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:374 +0x3d fp=0xcffa44 sp=0xcffa40 pc=0x25180d
2024-11-12 21:08 gotip-windows-386 go@1f8fa494 sync/atomic.TestNilDeref [ABORT] (log) 
=== RUN   TestNilDeref
fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x8c pc=0xb2c1d1]

runtime stack:
runtime.throw({0xc4d005, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1084 +0x35 fp=0x21bafca4 sp=0x21bafc90 pc=0xb3d5f5
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x21bafcc8 sp=0x21bafca4 pc=0xb1fa61
runtime.(*unwinder).next(0x21bafd30)
...
fatal error: unexpected signal during runtime execution
panic during panic
[signal 0xc0000005 code=0x0 addr=0x8c pc=0xb2c1d1]

runtime stack:
runtime.throw({0xc4d005, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1084 +0x35 fp=0x21baf8c0 sp=0x21baf8ac pc=0xb3d5f5
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x21baf8e4 sp=0x21baf8c0 pc=0xb1fa61
runtime.(*unwinder).next(0x21bafad8)
...
runtime.markroot(0x142c974, 0x5, 0x1)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:212 +0x1ad fp=0x21bafe30 sp=0x21bafdd4 pc=0xae916d
runtime.gcDrain(0x142c974, 0x3)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1188 +0x50f fp=0x21bafe80 sp=0x21bafe30 pc=0xaeb79f
runtime.gcDrainMarkWorkerDedicated(...)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1112
runtime.gcBgMarkWorker.func2()
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgc.go:1440 +0xa4 fp=0x21bafeac sp=0x21bafe80 pc=0xae6f34
runtime.systemstack(0x0)
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:374 +0x3d fp=0x21bafeb0 sp=0x21bafeac pc=0xb4180d

— watchflakes

@mknyszek mknyszek mentioned this issue Nov 13, 2024
Open
@gopherbot
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Contributor Author

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "sync/atomic" && test == "TestNilDeref"
2024-11-19 17:52 go1.23-windows-386 release-branch.go1.23@3726f07c sync/atomic.TestNilDeref [ABORT] (log) 
=== RUN   TestNilDeref
fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x8c pc=0x105b231]

runtime stack:
runtime.throw({0x1177a37, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1067 +0x35 fp=0x21f0f8c4 sp=0x21f0f8b0 pc=0x106ee75
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x21f0f8e8 sp=0x21f0f8c4 pc=0x104f611
runtime.(*unwinder).next(0x21f0f950)
...
fatal error: unexpected signal during runtime execution
panic during panic
[signal 0xc0000005 code=0x0 addr=0x8c pc=0x105b231]

runtime stack:
runtime.throw({0x1177a37, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1067 +0x35 fp=0x21f0f4e0 sp=0x21f0f4cc pc=0x106ee75
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x21f0f504 sp=0x21f0f4e0 pc=0x104f611
runtime.(*unwinder).next(0x21f0f6f8)
...
runtime.markroot(0x182e974, 0x5, 0x1)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:212 +0x1ad fp=0x21f0fa50 sp=0x21f0f9f4 pc=0x101a29d
runtime.gcDrain(0x182e974, 0x3)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1188 +0x50f fp=0x21f0faa0 sp=0x21f0fa50 pc=0x101c8ef
runtime.gcDrainMarkWorkerDedicated(...)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1112
runtime.gcBgMarkWorker.func2()
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgc.go:1440 +0xa5 fp=0x21f0facc sp=0x21f0faa0 pc=0x1018045
runtime.systemstack(0x0)
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:374 +0x3d fp=0x21f0fad0 sp=0x21f0facc pc=0x107405d
2024-11-19 18:04 go1.23-windows-386 release-branch.go1.23@777f43ab sync/atomic.TestNilDeref [ABORT] (log) 
=== RUN   TestNilDeref
fatal error: unexpected signal during runtime execution
[signal 0xc0000005 code=0x0 addr=0x8c pc=0xc6b231]

runtime stack:
runtime.throw({0xd87a37, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1067 +0x35 fp=0x21d7f62c sp=0x21d7f618 pc=0xc7ee75
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x21d7f650 sp=0x21d7f62c pc=0xc5f611
runtime.(*unwinder).next(0x21d7f6b8)
...
fatal error: unexpected signal during runtime execution
panic during panic
[signal 0xc0000005 code=0x0 addr=0x8c pc=0xc6b231]

runtime stack:
runtime.throw({0xd87a37, 0x2a})
	C:/b/s/w/ir/x/w/goroot/src/runtime/panic.go:1067 +0x35 fp=0x21d7f248 sp=0x21d7f234 pc=0xc7ee75
runtime.sigpanic()
	C:/b/s/w/ir/x/w/goroot/src/runtime/signal_windows.go:395 +0x2a1 fp=0x21d7f26c sp=0x21d7f248 pc=0xc5f611
runtime.(*unwinder).next(0x21d7f460)
...
runtime.markroot(0x142fc74, 0x5, 0x1)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:212 +0x1ad fp=0x21d7f7b8 sp=0x21d7f75c pc=0xc2a29d
runtime.gcDrain(0x142fc74, 0x3)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1188 +0x50f fp=0x21d7f808 sp=0x21d7f7b8 pc=0xc2c8ef
runtime.gcDrainMarkWorkerDedicated(...)
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgcmark.go:1112
runtime.gcBgMarkWorker.func2()
	C:/b/s/w/ir/x/w/goroot/src/runtime/mgc.go:1440 +0xa5 fp=0x21d7f834 sp=0x21d7f808 pc=0xc28045
runtime.systemstack(0x0)
	C:/b/s/w/ir/x/w/goroot/src/runtime/asm_386.s:374 +0x3d fp=0x21d7f838 sp=0x21d7f834 pc=0xc8405d

— watchflakes

@gopherbot gopherbot reopened this Nov 20, 2024
@github-project-automation github-project-automation bot moved this from Done to Active in Test Flakes Nov 20, 2024
@dmitshur
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It's happening on the Go 1.23 release branch now.

Closing in favor of #70288 again. I relaxed the pattern there and removed this issue from Test Flakes project, so watchflakes sends its reports there.

@dmitshur dmitshur closed this as not planned Won't fix, can't repro, duplicate, stale Nov 20, 2024
@github-project-automation github-project-automation bot moved this from Active to Done in Test Flakes Nov 20, 2024
@dmitshur dmitshur removed this from Test Flakes Nov 20, 2024
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