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authorPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
committerPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
commit2ace52718376fdb56aca863da2eebe70d7e2ddb1 (patch)
tree494517cf79608fa93840a3c84ee5e6118da5f26f /kernel/livepatch/core.c
parenta53d0cf7f1cb3182ad533ff5cacfa5fd29c419ad (diff)
parent11991999a20145b7f8af21202d0cac6b1f90a6e4 (diff)
Merge branch 'objtool/core'
Bring in the UDB and objtool data annotations to avoid conflicts while further extending the bug exceptions. Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'kernel/livepatch/core.c')
-rw-r--r--kernel/livepatch/core.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
index 0e73fac55f8e..0044a8125013 100644
--- a/kernel/livepatch/core.c
+++ b/kernel/livepatch/core.c
@@ -217,14 +217,14 @@ static int klp_resolve_symbols(Elf_Shdr *sechdrs, const char *strtab,
for (i = 0; i < relasec->sh_size / sizeof(Elf_Rela); i++) {
sym = (Elf_Sym *)sechdrs[symndx].sh_addr + ELF_R_SYM(relas[i].r_info);
if (sym->st_shndx != SHN_LIVEPATCH) {
- pr_err("symbol %s is not marked as a livepatch symbol\n",
- strtab + sym->st_name);
+ pr_err("symbol %s at rela sec %u idx %d is not marked as a livepatch symbol\n",
+ strtab + sym->st_name, symndx, i);
return -EINVAL;
}
/* Format: .klp.sym.sym_objname.sym_name,sympos */
cnt = sscanf(strtab + sym->st_name,
- ".klp.sym.%55[^.].%511[^,],%lu",
+ KLP_SYM_PREFIX "%55[^.].%511[^,],%lu",
sym_objname, sym_name, &sympos);
if (cnt != 3) {
pr_err("symbol %s has an incorrectly formatted name\n",
@@ -303,7 +303,7 @@ static int klp_write_section_relocs(struct module *pmod, Elf_Shdr *sechdrs,
* See comment in klp_resolve_symbols() for an explanation
* of the selected field width value.
*/
- cnt = sscanf(shstrtab + sec->sh_name, ".klp.rela.%55[^.]",
+ cnt = sscanf(shstrtab + sec->sh_name, KLP_RELOC_SEC_PREFIX "%55[^.]",
sec_objname);
if (cnt != 1) {
pr_err("section %s has an incorrectly formatted name\n",