forked from rpms/glibc
29 lines
837 B
Diff
29 lines
837 B
Diff
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commit b2c3ee3724900975deaf5eae57640bb0c2d7315e
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Author: Andreas Schwab <schwab@suse.de>
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Date: Tue Jun 4 11:01:11 2024 +0200
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Remove memory leak in fdopen (bug 31840)
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Deallocate the memory for the FILE structure when seeking to the end fails
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in append mode.
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Fixes: ea33158c96 ("Fix offset caching for streams and use it for ftell (BZ #16680)")
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diff --git a/libio/iofdopen.c b/libio/iofdopen.c
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index 498791b2872f4b93..e3596fa4c91644b7 100644
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--- a/libio/iofdopen.c
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+++ b/libio/iofdopen.c
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@@ -156,7 +156,11 @@ _IO_new_fdopen (int fd, const char *mode)
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{
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off64_t new_pos = _IO_SYSSEEK (&new_f->fp.file, 0, _IO_seek_end);
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if (new_pos == _IO_pos_BAD && errno != ESPIPE)
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- return NULL;
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+ {
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+ _IO_un_link (&new_f->fp);
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+ free (new_f);
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+ return NULL;
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+ }
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}
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return &new_f->fp.file;
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}
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