commit | a19428e5c3f4f39c302cb97b847dfd23613145c1 | [log] [tgz] |
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author | Chen Gang <gang.chen@asianux.com> | Mon Jan 27 17:07:13 2014 -0800 |
committer | Linus Torvalds <torvalds@linux-foundation.org> | Mon Jan 27 21:02:40 2014 -0800 |
tree | ef2341c5034451ae55e5c0ca0a727a4455ec6c44 | |
parent | 53e0ee9fc59cb17fcad57e481b5889c791afe6c3 [diff] |
kernel/kexec.c: use vscnprintf() instead of vsnprintf() in vmcoreinfo_append_str() vsnprintf() may let 'r' larger than sizeof(buf), in this case, if 'r' is also less than "vmcoreinfo_max_size - vmcoreinfo_size" (left size of destination buffer), next memcpy() will read the unexpected addresses. Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>