[Aptitude-devel] Bug#980035: aptitude: segmentation fault when starting aptitude

[Vincent Lefevre]

On 2021-01-13 10:29:17 +0100, Vincent Lefevre wrote:
> However, if I run "strace -f -o str.out aptitude", I don't always
> get a segmentation fault. So there may be another reason.

When it crashes, this seems to be at the same place:

[...]
2237416 read(3, "ym_19981025-8_amd64.deb\nSize: 11"..., 32324) = 32324
2237416 read(3, "ds: libcolorhug2 (= 1.4.5-3)\nDes"..., 32604) = 32604
2237416 read(3, "62e8f4b0 baeda553779dac49b00a6b2"..., 32336) = 32336
2237416 read(3, "83243673985ebc90635ba4337487ab 9"..., 17767) = 17767
2237416 read(3, "256: 588bb0e2a387be5494af07d9909"..., 32237) = 32237
2237416 read(3, "5688ba1f31dcc90cda9499 14b2ffe0c"..., 32391) = 32391
2237416 read(3, "2ecd4ea9d8b9d23afa9d5b67d7b8f2a3"..., 32481) = 32481
2237416 read(3, "fbef99d590e1cac8f0801e2fbcd2835e"..., 32449) = 32449
2237416 mremap(0x7fc6dc600000, 60817408, 61865984, MREMAP_MAYMOVE) = 0x7fc6d4500000
2237416 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x7fc6dffef750} ---
[...]

[...]
2237777 read(3, "ym_19981025-8_amd64.deb\nSize: 11"..., 32324) = 32324
2237777 read(3, "ds: libcolorhug2 (= 1.4.5-3)\nDes"..., 32604) = 32604
2237777 read(3, "62e8f4b0 baeda553779dac49b00a6b2"..., 32336) = 32336
2237777 read(3, "83243673985ebc90635ba4337487ab 9"..., 17767) = 17767
2237777 read(3, "256: 588bb0e2a387be5494af07d9909"..., 32237) = 32237
2237777 read(3, "5688ba1f31dcc90cda9499 14b2ffe0c"..., 32391) = 32391
2237777 read(3, "2ecd4ea9d8b9d23afa9d5b67d7b8f2a3"..., 32481) = 32481
2237777 read(3, "fbef99d590e1cac8f0801e2fbcd2835e"..., 32449) = 32449
2237777 mremap(0x7fad28600000, 60817408, 61865984, MREMAP_MAYMOVE) = 0x7fad20500000
2237777 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x7fad2bfef750} ---
[...]

[...]
2238354 read(3, "ym_19981025-8_amd64.deb\nSize: 11"..., 32324) = 32324
2238354 read(3, "ds: libcolorhug2 (= 1.4.5-3)\nDes"..., 32604) = 32604
2238354 read(3, "62e8f4b0 baeda553779dac49b00a6b2"..., 32336) = 32336
2238354 read(3, "83243673985ebc90635ba4337487ab 9"..., 17767) = 17767
2238354 read(3, "256: 588bb0e2a387be5494af07d9909"..., 32237) = 32237
2238354 read(3, "5688ba1f31dcc90cda9499 14b2ffe0c"..., 32391) = 32391
2238354 read(3, "2ecd4ea9d8b9d23afa9d5b67d7b8f2a3"..., 32481) = 32481
2238354 read(3, "fbef99d590e1cac8f0801e2fbcd2835e"..., 32449) = 32449
2238354 mremap(0x7f9754600000, 60817408, 61865984, MREMAP_MAYMOVE) = 0x7f974c500000
2238354 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0x7f9757fef750} ---
[...]

And when it doesn't:

[...]
2237967 read(3, "ym_19981025-8_amd64.deb\nSize: 11"..., 32324) = 32324
2237967 read(3, "ds: libcolorhug2 (= 1.4.5-3)\nDes"..., 32604) = 32604
2237967 read(3, "62e8f4b0 baeda553779dac49b00a6b2"..., 32336) = 32336
2237967 read(3, "83243673985ebc90635ba4337487ab 9"..., 17767) = 17767
2237967 read(3, "256: 588bb0e2a387be5494af07d9909"..., 32237) = 32237
2237967 read(3, "5688ba1f31dcc90cda9499 14b2ffe0c"..., 32391) = 32391
2237967 read(3, "2ecd4ea9d8b9d23afa9d5b67d7b8f2a3"..., 32481) = 32481
2237967 read(3, "fbef99d590e1cac8f0801e2fbcd2835e"..., 32449) = 32449
2237967 mremap(0x7ff909d00000, 60817408, 61865984, MREMAP_MAYMOVE) = 0x7ff909d00000
2237967 read(3, "b\n\nPackage: cue2toc-dbgsym\nSourc"..., 32156) = 32156
2237967 read(3, "fc5e9475f8ea1996ad1d1\nDescriptio"..., 32468) = 32468
2237967 read(3, "noit <calculus at rezozer.net>\nArch"..., 32635) = 32635
2237967 read(3, "446f87a121ed255bd081 e3830a9a187"..., 26866) = 26866
[...]

-- 
Vincent Lefèvre <vincent at vinc17.net> - Web: <https://www.vinc17.net/>
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Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)