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Message-ID: <5362B105.9080702@redhat.com> Date: Thu, 01 May 2014 15:39:33 -0500 From: Eric Sandeen <sandeen@...hat.com> To: ext4 development <linux-ext4@...r.kernel.org>, Frank Sorenson <fsorenso@...hat.com> Subject: [PATCH V2] mke2fs: prevent creation of filesystem with unsupported revision From: Frank Sorenson <fsorenso@...hat.com> Don't create a filesystem with an unsupported revision number Signed-off-by: Frank Sorenson <fsorenso@...hat.com> Signed-off-by: Eric Sandeen <sandeen@...hat.com> --- V2: Frank did this independently, and it's better. I forgot about using com_err here. --- a/misc/mke2fs.c +++ a/misc/mke2fs.c @@ -1684,6 +1684,11 @@ profile_error: _("bad revision level - %s"), optarg); exit(1); } + if (r_opt > EXT2_MAX_SUPP_REV) { + com_err(program_name, EXT2_ET_REV_TOO_HIGH, + _("while trying to create revision %d"), r_opt); + exit(1); + } fs_param.s_rev_level = r_opt; break; case 's': /* deprecated */ -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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