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Posts by [email protected] |
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Post #AvtQffwaXMUuxvZxzs by [email protected] |
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0 likes, 1 repeats |
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fun kernel/compiler interaction that causes some Linux kernel code to have some… |
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Post #AvtRCRyHVZENBc00kS by [email protected] |
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0 likes, 1 repeats |
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So in bar2, all of these instructions are unnecessary: pushq %rbp … |
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Post #AvtRQ5sWRhIoijoME4 by [email protected] |
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0 likes, 1 repeats |
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(clang apparently does this better) |
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Post #AvtSAaic7BP9gsLeXg by [email protected] |
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0 likes, 1 repeats |
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@osandov my understanding is that normal userspace code benefits from 16-byte s… |
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Post #Avtd41zDR0GVjFBiu8 by [email protected] |
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0 likes, 1 repeats |
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me: trying to use /proc/sysrq-trigger to hard-reboot a remote system with "… |
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Post #Avtd5mOoMGuXxtzgnI by [email protected] |
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0 likes, 1 repeats |
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me: trying to use /proc/sysrq-trigger to hard-reboot a remote system with "… |
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Post #Avtd8rzxzr7YCRqYj2 by [email protected] |
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0 likes, 1 repeats |
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reminds me of the time I had two keyboards in front of me and hit ALT+SYSRQ+O o… |
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Post #AvtdEpZruW5mQeTwPo by [email protected] |
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0 likes, 1 repeats |
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@irogers though if a stack allocation's address escapes the analysis, tail … |
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Post #AvvhrMDLnvO0mrUmem by [email protected] |
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@amonakov oh, yes, thank you! |
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Post #AvvmW3MRCmva0IPHKC by [email protected] |
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@amonakov hmm... x86 Linux doesn't use -fgeneral-regs-only, but it does KBU… |
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Post #AwKPK0CVgjRejZ2uTQ by [email protected] |
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0 likes, 1 repeats |
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terrible idea: along with a source code git repository, you can have a per-conf… |
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Post #AwdO2DkABo9pZZyzmy by [email protected] |
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0 likes, 1 repeats |
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@ljs if you can make sure nobody else gets to touch a computer, and it has no n… |
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Post #AwiH5KNXuTG7g04bCa by [email protected] |
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0 likes, 1 repeats |
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speaking as someone who has been using bpftrace for kernel stuff for quite some… |
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Post #Awtt9rYCSAloiECmcC by [email protected] |
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0 likes, 1 repeats |
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I landed an LLVM change today that plumbs LLVM's existing !heapallocsite me… |
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Post #Awttahjl32je5wPVeS by [email protected] |
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0 likes, 1 repeats |
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I first experimented with this idea years ago; it was really cool to be able to… |
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Post #AwxNvHb30s3HCZwdJg by [email protected] |
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0 likes, 1 repeats |
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@ljs @vbabka I think it's complicated, I think it at least isn't pointl… |
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Post #AwxQAQbhzfapOrbTZg by [email protected] |
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0 likes, 1 repeats |
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I found a Linux kernel security bug (in AF_UNIX) and decided to write a kernel … |
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Post #AwyLDA21lwCaFRMENM by [email protected] |
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0 likes, 1 repeats |
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@ptesarik @dougmerritt @mpdesouza @ljs fwiw I remember there was a performance … |
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Post #AwyLuix7oSAR0OpxE8 by [email protected] |
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0 likes, 1 repeats |
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@ptesarik @dougmerritt @mpdesouza @ljs (see https://lore.kernel.org/all/1595475… |
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Post #Ax22j7PRIs9eeX7Xk0 by [email protected] |
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0 likes, 1 repeats |
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@lcamtuf who needs SSH when you can instead just take telnet and add some encry… |
