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4 commits

Author SHA1 Message Date
Arda Demir 0bfd10d6b3 Remove pnglite shift ubsan 2022-06-22 19:08:40 +03:00
Dennis Felsing 19fa886e89 Ignore non-zero offset to null pointer in json.c (fixes #5031) 
Since we have no control over this library
 2022-04-29 12:00:20 +02:00
def af610c2bbf Add ubsan.supp to README, add runtime suppression for json.c 2022-04-18 09:42:20 +02:00
def 7973713257 Ignore pnglite shift ubsan 
/home/runner/work/ddnet/ddnet/src/engine/external/pnglite/pnglite.c:68:16: runtime error: left shift of 170 by 24 places cannot be represented in type 'int'
    #0 0x1b85f2f in file_read_ul /home/runner/work/ddnet/ddnet/src/engine/external/pnglite/pnglite.c:68:16
    #1 0x1b7e129 in png_read_ihdr /home/runner/work/ddnet/ddnet/src/engine/external/pnglite/pnglite.c:171:2
    #2 0x1b7d867 in png_open_read /home/runner/work/ddnet/ddnet/src/engine/external/pnglite/pnglite.c:275:11
    #3 0xb59f78 in CGraphics_Threaded::LoadPNG(CImageInfo*, char const*, int) /home/runner/work/ddnet/ddnet/src/engine/client/graphics_threaded.cpp:642:14
    #4 0xb54e78 in CGraphics_Threaded::LoadTexture(char const*, int, int, int) /home/runner/work/ddnet/ddnet/src/engine/client/graphics_threaded.cpp:517:5
    #5 0x18e24f7 in CEditor::Init() /home/runner/work/ddnet/ddnet/src/game/editor/editor.cpp:6354:32
    #6 0xa8732e in CClient::Run() /home/runner/work/ddnet/ddnet/src/engine/client/client.cpp:2917:13
    #7 0xaef796 in main /home/runner/work/ddnet/ddnet/src/engine/client/client.cpp:4462:11
    #8 0x7ff6950d80b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x240b2)
    #9 0x43ce7d in _start (/home/runner/work/ddnet/ddnet/san/DDNet+0x43ce7d)

SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /home/runner/work/ddnet/ddnet/src/engine/external/pnglite/pnglite.c:68:16 in
 2022-04-18 00:42:44 +02:00