Kernel: Check for overflow in seek syscall

2026-07-09 23:39:13 +03:00
parent f6e27e5f05
commit 4df58c5155
1 changed files with 3 additions and 0 deletions
--- a/kernel/kernel/OpenFileDescriptorSet.cpp
+++ b/kernel/kernel/OpenFileDescriptorSet.cpp
@@ -376,6 +376,9 @@ namespace Kernel
 				return BAN::Error::from_errno(EINVAL);
 		}

+		if (BAN::Math::will_addition_overflow(base_offset, offset))
+			return BAN::Error::from_errno(EOVERFLOW);
+
 		const off_t new_offset = base_offset + offset;
 		if (new_offset < 0)
 			return BAN::Error::from_errno(EINVAL);