Messages in this thread Patch in this message | | | Date | Thu, 16 Mar 2006 11:00:04 +0800 | From | Eugene Teo <> | Subject | [PATCH] Fix vfs_inode dereference before NULL check |
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__getname, which in turn will call kmem_cache_alloc, may return NULL.
Coverity bug #977
Signed-off-by: Eugene Teo <eugene.teo@eugeneteo.net>
--- linux-2.6/fs/9p/vfs_inode.c~ 2006-03-15 10:05:37.000000000 +0800 +++ linux-2.6/fs/9p/vfs_inode.c 2006-03-16 10:54:33.000000000 +0800 @@ -1254,6 +1254,8 @@ return -EINVAL; name = __getname(); + if (!name) + return -EINVAL; /* build extension */ if (S_ISBLK(mode)) sprintf(name, "b %u %u", MAJOR(rdev), MINOR(rdev)); -- 1024D/A6D12F80 print D51D 2633 8DAC 04DB 7265 9BB8 5883 6DAA A6D1 2F80 main(i) { putchar(182623909 >> (i-1) * 5&31|!!(i<7)<<6) && main(++i); } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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