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authorFlorian Weimer <fweimer@redhat.com>2025-09-12 21:33:34 +0200
committerFlorian Weimer <fweimer@redhat.com>2025-09-19 09:36:13 +0200
commit60795200d4deac38e2c9a49ba9a5ab7b2a96b242 (patch)
tree0efc5e13753904a46476cd31c90d9fd0d4e6d28b
parent2966a6a3a0fd49eb4e3c9b05bc26977a1df98c99 (diff)
downloadglibc-release/2.40/master.zip
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nss: Group merge does not react to ERANGE during merge (bug 33361)release/2.40/master
The break statement in CHECK_MERGE is expected to exit the surrounding while loop, not the do-while loop with in the macro. Remove the do-while loop from the macro. It is not needed to turn the macro expansion into a single statement due to the way CHECK_MERGE is used (and the statement expression would cover this anyway). Reviewed-by: Collin Funk <collin.funk1@gmail.com> (cherry picked from commit 0fceed254559836b57ee05188deac649bc505d05)
-rw-r--r--NEWS1
-rw-r--r--nss/getXXbyYY_r.c18
2 files changed, 8 insertions, 11 deletions
diff --git a/NEWS b/NEWS
index acb5179..0756d27 100644
--- a/NEWS
+++ b/NEWS
@@ -29,6 +29,7 @@ The following bugs are resolved with this release:
[32987] elf: Fix subprocess status handling for tst-dlopen-sgid
[33185] Fix double-free after allocation failure in regcomp
[33234] Use TLS initial-exec model for __libc_tsd_CTYPE_* thread variables
+ [33361] nss: Group merge does not react to ERANGE during merge
Version 2.40
diff --git a/nss/getXXbyYY_r.c b/nss/getXXbyYY_r.c
index fe7d5b7..3a15b1a 100644
--- a/nss/getXXbyYY_r.c
+++ b/nss/getXXbyYY_r.c
@@ -157,19 +157,15 @@ __merge_einval (LOOKUP_TYPE *a,
#define CHECK_MERGE(err, status) \
({ \
- do \
+ if (err) \
{ \
- if (err) \
- { \
- __set_errno (err); \
- if (err == ERANGE) \
- status = NSS_STATUS_TRYAGAIN; \
- else \
- status = NSS_STATUS_UNAVAIL; \
- break; \
- } \
+ __set_errno (err); \
+ if (err == ERANGE) \
+ status = NSS_STATUS_TRYAGAIN; \
+ else \
+ status = NSS_STATUS_UNAVAIL; \
+ break; \
} \
- while (0); \
})
/* Type of the lookup function we need here. */