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| author |   Peter Zijlstra <peterz@infradead.org> | 2021-06-16 23:41:26 +0800 |
|---|---|---|
| committer |   Steven Rostedt (VMware) <rostedt@goodmis.org> | 2021-06-18 09:09:17 -0400 |
| commit | fb780761e7bd9f2e94f5b9a296ead6b35b944206 (patch) | |
| tree | 75d08ed9c036205c84c0e0275054a82b10d33963 /kernel | |
| parent | tracing: Correct the length check which causes memory corruption (diff) | |
| download | linux-dev-fb780761e7bd9f2e94f5b9a296ead6b35b944206.tar.xz linux-dev-fb780761e7bd9f2e94f5b9a296ead6b35b944206.zip | |
recordmcount: Correct st_shndx handling
One should only use st_shndx when >SHN_UNDEF and <SHN_LORESERVE. When
SHN_XINDEX, then use .symtab_shndx. Otherwise use 0.
This handles the case: st_shndx >= SHN_LORESERVE && st_shndx != SHN_XINDEX.
Link: https://lore.kernel.org/lkml/20210607023839.26387-1-mark-pk.tsai@mediatek.com/
Link: https://lkml.kernel.org/r/20210616154126.2794-1-mark-pk.tsai@mediatek.com
Reported-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Tested-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
[handle endianness of sym->st_shndx]
Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions