diff options
Diffstat (limited to 'util/log.c')
| -rw-r--r-- | util/log.c | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/util/log.c b/util/log.c index 32e416051c..f811d6163b 100644 --- a/util/log.c +++ b/util/log.c @@ -131,8 +131,8 @@ bool qemu_log_in_addr_range(uint64_t addr) if (debug_regions) { int i = 0; for (i = 0; i < debug_regions->len; i++) { - struct Range *range = &g_array_index(debug_regions, Range, i); - if (addr >= range->begin && addr <= range->end) { + Range *range = &g_array_index(debug_regions, Range, i); + if (addr >= range->begin && addr <= range->end - 1) { return true; } } @@ -158,7 +158,7 @@ void qemu_set_dfilter_ranges(const char *filter_spec, Error **errp) for (i = 0; ranges[i]; i++) { const char *r = ranges[i]; const char *range_op, *r2, *e; - uint64_t r1val, r2val; + uint64_t r1val, r2val, lob, upb; struct Range range; range_op = strstr(r, "-"); @@ -187,27 +187,29 @@ void qemu_set_dfilter_ranges(const char *filter_spec, Error **errp) (int)(r2 - range_op), range_op); goto out; } - if (r2val == 0) { - error_setg(errp, "Invalid range"); - goto out; - } switch (*range_op) { case '+': - range.begin = r1val; - range.end = r1val + (r2val - 1); + lob = r1val; + upb = r1val + r2val - 1; break; case '-': - range.end = r1val; - range.begin = r1val - (r2val - 1); + upb = r1val; + lob = r1val - (r2val - 1); break; case '.': - range.begin = r1val; - range.end = r2val; + lob = r1val; + upb = r2val; break; default: g_assert_not_reached(); } + if (lob > upb || (lob == 0 && upb == UINT64_MAX)) { + error_setg(errp, "Invalid range"); + goto out; + } + range.begin = lob; + range.end = upb + 1; g_array_append_val(debug_regions, range); } out: |