Ubuntu
apt package

  1. Bug #1642386
  2. Comment #18

Comment 18 for bug 1642386

Revision history for this message
Seth Arnold (seth-arnold) wrote :

On a whim I ran apt-get update through valgrind:

==22064==
==22064== HEAP SUMMARY:
==22064== in use at exit: 695,606 bytes in 7,018 blocks
==22064== total heap usage: 67,584 allocs, 60,566 frees, 18,503,180 bytes allocated
==22064==
==22064== LEAK SUMMARY:
==22064== definitely lost: 0 bytes in 0 blocks
==22064== indirectly lost: 0 bytes in 0 blocks
==22064== possibly lost: 0 bytes in 0 blocks
==22064== still reachable: 695,606 bytes in 7,018 blocks
==22064== suppressed: 0 bytes in 0 blocks
==22064== Rerun with --leak-check=full to see details of leaked memory
==22064==
==22064== For counts of detected and suppressed errors, rerun with: -v
==22064== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
==20846== Conditional jump or move depends on uninitialised value(s)
==20846== at 0x4F4DA00: pkgCache::ReMap(bool const&) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4F55E68: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4F580B4: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4EBAA51: pkgCacheFile::BuildCaches(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51EE809: DoUpdate(CommandLine&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x4ECEA25: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51C0E62: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x10BB38: ??? (in /usr/bin/apt-get)
==20846== by 0x59B682F: (below main) (libc-start.c:291)
==20846== Uninitialised value was created by a stack allocation
==20846== at 0x4F55B4D: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846==
==20846== Syscall param write(buf) points to uninitialised byte(s)
==20846== at 0x5A8C6E0: __write_nocancel (syscall-template.S:84)
==20846== by 0x4ED6B13: FileFd::Write(void const*, unsigned long long) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4E7A460: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4F58146: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4EBAA51: pkgCacheFile::BuildCaches(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51EE809: DoUpdate(CommandLine&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x4ECEA25: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51C0E62: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x10BB38: ??? (in /usr/bin/apt-get)
==20846== by 0x59B682F: (below main) (libc-start.c:291)
==20846== Address 0xd003007 is in a rw- anonymous segment
==20846==
==20846== Syscall param write(buf) points to uninitialised byte(s)
==20846== at 0x5A8C6E0: __write_nocancel (syscall-template.S:84)
==20846== by 0x4ED6B13: FileFd::Write(void const*, unsigned long long) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4E7A4B7: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4F58146: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4EBAA51: pkgCacheFile::BuildCaches(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51EE809: DoUpdate(CommandLine&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x4ECEA25: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51C0E62: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x10BB38: ??? (in /usr/bin/apt-get)
==20846== by 0x59B682F: (below main) (libc-start.c:291)
==20846== Address 0xd003007 is in a rw- anonymous segment
==20846==
==20846== Syscall param write(buf) points to uninitialised byte(s)
==20846== at 0x5A8C6E0: __write_nocancel (syscall-template.S:84)
==20846== by 0x4ED6B13: FileFd::Write(void const*, unsigned long long) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4E7A460: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4F57DB4: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4EBAA51: pkgCacheFile::BuildCaches(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51EE809: DoUpdate(CommandLine&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x4ECEA25: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51C0E62: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x10BB38: ??? (in /usr/bin/apt-get)
==20846== by 0x59B682F: (below main) (libc-start.c:291)
==20846== Address 0xd003007 is in a rw- anonymous segment
==20846==
==20846== Syscall param write(buf) points to uninitialised byte(s)
==20846== at 0x5A8C6E0: __write_nocancel (syscall-template.S:84)
==20846== by 0x4ED6B13: FileFd::Write(void const*, unsigned long long) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4E7A4B7: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4F57DB4: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4EBAA51: pkgCacheFile::BuildCaches(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51EE809: DoUpdate(CommandLine&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x4ECEA25: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51C0E62: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x10BB38: ??? (in /usr/bin/apt-get)
==20846== by 0x59B682F: (below main) (libc-start.c:291)
==20846== Address 0xd003007 is in a rw- anonymous segment
==20846==
Reading package lists... Done
==20846== Conditional jump or move depends on uninitialised value(s)
==20846== at 0x4F4DA00: pkgCache::ReMap(bool const&) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4F4DD2F: pkgCache::pkgCache(MMap*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x4EBAAFC: pkgCacheFile::BuildCaches(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51EE809: DoUpdate(CommandLine&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x4ECEA25: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846== by 0x51C0E62: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (in /usr/lib/x86_64-linux-gnu/libapt-private.so.0.0.0)
==20846== by 0x10BB38: ??? (in /usr/bin/apt-get)
==20846== by 0x59B682F: (below main) (libc-start.c:291)
==20846== Uninitialised value was created by a stack allocation
==20846== at 0x4F06A10: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==20846==