Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=84eab461c843e2018b6ff7... Commit: 84eab461c843e2018b6ff73a9af8140e27cde391 Parent: 81d03330670f392cfe938d8bb12df2ed4c30f2d0 Author: David Teigland teigland@redhat.com AuthorDate: Tue Feb 25 10:34:30 2020 -0600 Committer: David Teigland teigland@redhat.com CommitterDate: Tue Feb 25 10:34:30 2020 -0600
writecache: check watermark value
--- tools/lvconvert.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/tools/lvconvert.c b/tools/lvconvert.c index 4ebda4c..68bd75c 100644 --- a/tools/lvconvert.c +++ b/tools/lvconvert.c @@ -5395,6 +5395,8 @@ static int _get_one_writecache_setting(struct cmd_context *cmd, struct writecach if (!strncmp(key, "high_watermark", strlen("high_watermark"))) { if (sscanf(val, "%llu", (unsigned long long *)&settings->high_watermark) != 1) goto_bad; + if (settings->high_watermark > 100) + goto_bad; settings->high_watermark_set = 1; return 1; } @@ -5402,6 +5404,8 @@ static int _get_one_writecache_setting(struct cmd_context *cmd, struct writecach if (!strncmp(key, "low_watermark", strlen("low_watermark"))) { if (sscanf(val, "%llu", (unsigned long long *)&settings->low_watermark) != 1) goto_bad; + if (settings->low_watermark > 100) + goto_bad; settings->low_watermark_set = 1; return 1; }
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