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authorDenys Vlasenko <vda.linux@googlemail.com>2012-10-04 17:15:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-06 03:05:16 +0900
commit49ae4d4b113be03dc4a2ec5f2a1f573ff0fcddb3 (patch)
tree5c172a0ef5cbf57abf969bc13b0a4e3b4c50aefd /init
parent751f409db6216ebd134a94f6dcd97779933a5106 (diff)
coredump: add a new elf note with siginfo of the signal
Existing PRSTATUS note contains only si_signo, si_code, si_errno fields from the siginfo of the signal which caused core to be dumped. There are tools which try to analyze crashes for possible security implications, and they want to use, among other data, si_addr field from the SIGSEGV. This patch adds a new elf note, NT_SIGINFO, which contains the complete siginfo_t of the signal which killed the process. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Reviewed-by: Oleg Nesterov <oleg@redhat.com> Cc: Amerigo Wang <amwang@redhat.com> Cc: "Jonathan M. Foote" <jmfoote@cert.org> Cc: Roland McGrath <roland@hack.frob.com> Cc: Pedro Alves <palves@redhat.com> Cc: Fengguang Wu <fengguang.wu@intel.com> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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