rtld: check for overflow in parse_integer()

Reviewed by:	dim, emaste, markj
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D56151

This commit is contained in:

Konstantin Belousov

2026-03-30 01:45:13 +03:00

parent a1c042a964

commit 7cfffe25da

1 changed files with 4 additions and 0 deletions

									
										libexec/rtld-elf/rtld.c
									
		+4
		
												View File
												
				@@ -6492,7 +6492,11 @@ parse_integer(const char *str)

						if (c < '0' || c > '9')

							return (-1);

						if (n > INT_MAX / RADIX)

							return (-1);

						n *= RADIX;

						if (n > INT_MAX - (c - '0'))

							return (-1);

						n += c - '0';

					}