https://bugs.freedesktop.org/show_bug.cgi?id=30924

Summary: incorrect checking of return value of driAllocateTexture Product: Mesa Version: 7.8 Platform: All OS/Version: All Status: NEW Severity: normal Priority: medium Component: Drivers/DRI/Radeon AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: ssb@umn.edu

driAllocateTexture returns -1 for failure to allocate the texture. The code checks against NULL.

[driAllocateTexture:631] unable to allocate texture

Backtrace: 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80ef15b] 1: /usr/bin/X (0x8048000+0x5cff5) [0x80a4ff5] 2: (vdso) (__kernel_rt_sigreturn+0x0) [0xffffe410] 3: /usr/lib/dri/radeon_dri.so (0xb433a000+0x381bf) [0xb43721bf] 4: /usr/lib/libdrm_radeon.so.1 (radeon_cs_emit+0x14) [0xb70973d4] 5: /usr/lib/dri/radeon_dri.so (0xb433a000+0x35c78) [0xb436fc78] 6: /usr/lib/dri/radeon_dri.so (0xb433a000+0x35d2c) [0xb436fd2c] 7: /usr/lib/dri/radeon_dri.so (0xb433a000+0x35f32) [0xb436ff32] 8: /usr/lib/dri/radeon_dri.so (0xb433a000+0x17e0a) [0xb4351e0a] 9: /usr/lib/dri/radeon_dri.so (0xb433a000+0x75ccb) [0xb43afccb] 10: /usr/lib/dri/radeon_dri.so (0xb433a000+0x17b3c8) [0xb44b53c8] 11: /usr/lib/xorg/modules/extensions/libglx.so (0xb71b7000+0x83a0) [0xb71bf3a0] 12: /usr/lib/xorg/modules/extensions/libglx.so (0xb71b7000+0x31c45) [0xb71e8c45] 13: /usr/lib/xorg/modules/extensions/libglx.so (0xb71b7000+0x3645e) [0xb71ed45e] 14: /usr/bin/X (0x8048000+0x23707) [0x806b707] 15: /usr/bin/X (0x8048000+0x1dbb5) [0x8065bb5] 16: /lib/libc.so.6 (__libc_start_main+0xe6) [0xb7333a66] 17: /usr/bin/X (0x8048000+0x1d781) [0x8065781] Segmentation fault at address 0x14