The current version can be obtainedĢ005-2017 Don Armstrong, and many other contributors. When any of these flags are used, GCC instruments the function return instruction with a. The GCC flags -fstack-protector and -fstack-protector-all activate the Stack Smashing Protector (SSP).
STACK SMASHING DETECTED LINUX SOFTWARE
ĭebbugs is free software and licensed under the terms of the GNU Notice the message 'stack smashing detected', which implies that GCC's stack protector feature is being used. Send a report that this bug log contains spam.ĭebian bug tracking system administrator. I bet every Java developer has been surprised at some point in the beginning of their career when they first encounter native methods in Java code. $ cp log*** stack smashing detected ***: terminated Seems like some egl error, but the only commit hash that has changed is the meta-browser one. Previously I was using a5a5f27 and everything worked fine. While the old libc6 was installed, then installed a libc6 update,Īnd then the "old" bash crashed after a tab completion. With the current commit d25d8ee, I am getting stack smashing errors. Enabling it in the kernel did increase the size of the kernel (113 KB in this case), but no meaningful performance hit could be detected. Libpthread loaded at startup, that way also holdingĭate: Fri, 17:53:29 +0200 Dear Maintainer,Įncountered again such a crash of a bash that was started Stack Smashing Protection does provide some protection against latent buffer overflow defects which could be exploitable. If yes this bug needs to be handled by glibc maintainers?Ī workaround in bash could be to make sure to have Before returning from a function the canary is verified. A canary is placed before the return address on the stack. SSP is a technique where a compiler will instrument a binary to check if part of the program stack has been overwritten. I guess the question now is if this is a supported szenario? This post’s topic is Stack Smashing Protection (SSP). Which leads to overwriting the stack canary. The tunable_list array shifted and now libpthread accessesĮlement 23 while there is a different, bigger sized value It looks like between 2.29-7 and 2.29-9 the position in Locale: LANG=en_IN, LC_CTYPE=en_IN (charmap=UTF-8), LANGUAGE=en_IN:en (charmap=UTF-8) Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE * What exactly did you do (or not do) that was effective (orīash tab autocompletion crashes with *** stack smashing detected ***ĪPT policy: (500, 'unstable-debug'), (500, 'unstable')
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