#4406 closed defect (fixed)
h264 segfault
Reported by: | Kieran Kunhya | Owned by: | |
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Priority: | important | Component: | avcodec |
Version: | unspecified | Keywords: | h264 crash |
Cc: | Blocked By: | ||
Blocking: | Reproduced by developer: | no | |
Analyzed by developer: | no |
Description
API segfault. No sample available.
(gdb) bt #0 0x0000000000554483 in decode_slice (avctx=0x7fffe4045560, arg=0x7ffff0262040) at libavcodec/h264_slice.c:2299 #1 0x0000000000559467 in ff_h264_execute_decode_slices (h=h@entry=0x7ffff7f26040, context_count=context_count@entry=1) at libavcodec/h264_slice.c:2492 #2 0x000000000051c722 in decode_nal_units (h=h@entry=0x7ffff7f26040, buf=buf@entry=0x7fffe421fd70 "P", buf_size=buf_size@entry=11160, parse_extradata=parse_extradata@entry=0) at libavcodec/h264.c:1686 #3 0x000000000051d882 in h264_decode_frame (avctx=0x7fffe4045560, data=0x7fffe4045100, got_frame=0x7ffff23fcc3c, avpkt=0x7ffff23fcb30) at libavcodec/h264.c:1823 #4 0x00000000005f5986 in avcodec_decode_video2 (avctx=0x7fffe4045560, picture=picture@entry=0x7fffe4045100, got_picture_ptr=got_picture_ptr@entry=0x7ffff23fcc3c, avpkt=avpkt@entry=0x7ffff23fcd20) at libavcodec/utils.c:2376
(gdb) disassemble $pc-32,$pc+32 Dump of assembler code from 0x554463 to 0x5544a3: 0x0000000000554463 <decode_slice+19>: lea 0xb348(%rdi),%esp 0x0000000000554469 <decode_slice+25>: push %rbp 0x000000000055446a <decode_slice+26>: push %rbx 0x000000000055446b <decode_slice+27>: sub $0x18,%rsp 0x000000000055446f <decode_slice+31>: mov (%rsi),%r14 0x0000000000554472 <decode_slice+34>: mov 0x57d8(%rsi),%ebx 0x0000000000554478 <decode_slice+40>: mov %rdi,(%rsp) 0x000000000055447c <decode_slice+44>: mov 0x598(%r14),%rax => 0x0000000000554483 <decode_slice+51>: mov 0x40(%rax),%ebp 0x0000000000554486 <decode_slice+54>: movslq 0x44(%rax),%rax 0x000000000055448a <decode_slice+58>: movslq %ebp,%rdx 0x000000000055448d <decode_slice+61>: mov %rax,0x57c0(%rsi) 0x0000000000554494 <decode_slice+68>: mov %ebp,%eax 0x0000000000554496 <decode_slice+70>: mov %rdx,0x57b8(%rsi) 0x000000000055449d <decode_slice+77>: sar $0x1f,%eax 0x00000000005544a0 <decode_slice+80>: xor %eax,%ebp 0x00000000005544a2 <decode_slice+82>: sub %eax,%ebp End of assembler dump.
Change History (3)
comment:2 by , 9 years ago
Resolution: | → fixed |
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Status: | new → closed |
comment:3 by , 9 years ago
Keywords: | h264 crash added |
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Priority: | normal → important |
Which commit fixed the crash?
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