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Bug #1166 ยป 0001-Fix-lttng-crash-detect-truncated-files.patch

Mathieu Desnoyers, 09/23/2019 12:47 PM

View differences:

src/bin/lttng-crash/lttng-crash.c
}
static
int get_crash_layout(struct lttng_crash_layout *layout, int fd)
int get_crash_layout(struct lttng_crash_layout *layout, int fd,
const char *input_file)
{
char *map;
int ret = 0, unmapret;
......
const struct crash_abi_unknown *abi;
uint16_t endian;
enum lttng_crash_type layout_type;
struct stat stat;
ret = fstat(fd, &stat);
if (ret < 0) {
PERROR("fstat");
return -1;
}
if (stat.st_size < RB_CRASH_DUMP_ABI_LEN) {
ERR("File: '%s' truncated", input_file);
return -1;
}
map = mmap(NULL, RB_CRASH_DUMP_ABI_LEN, PROT_READ, MAP_PRIVATE,
fd, 0);
if (map == MAP_FAILED) {
......
}
/* Query the crash ABI layout */
ret = get_crash_layout(&layout, fd_src);
ret = get_crash_layout(&layout, fd_src, input_file);
if (ret) {
goto close_src;
}
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