Bug#832579: pixman: SIGSEGV after rowstride overflow in large image

2016-09-23 Thread Alessandro Vesely
This bug is a duplicate of bug #838650. Please close it.

Bug#838650: pixman: rowstride integer overflow

2016-09-23 Thread Alessandro Vesely
Source: pixman Version: pixman-0.32.6 Severity: normal Tags: upstream patch Dear Maintainer, it is wrong to compute offsets like so: int rowstride = something; char *buffer = base_ptr + y*rowstride + x*4; That idiom fails in 64bit architecture where integers are 32 bit. Consider a not-so

Bug#832579: pixman: SIGSEGV after rowstride overflow in large image

2016-07-27 Thread Alessandro Vesely
Source: pixman Version: 0.32.6 Severity: normal Tags: patch Dear Maintainer, the following message was being written by dbg after launching evince on a pdf containing a heavy image: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fffe5f92700 (LWP 32388)] bits_image_f