Very long mount lines from the kernel (either from escaping or from giant option lists) could exceed BUFSIZ, leading to parsing failures. This adds a test for the condition. Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> --- tests/expected/libmount/tabfiles-parse-mtab | 7 +++++++ tests/expected/libmount/tabfiles-py-parse-mtab | 7 +++++++ tests/ts/libmount/files/mtab | 1 + 3 files changed, 15 insertions(+) diff --git a/tests/expected/libmount/tabfiles-parse-mtab b/tests/expected/libmount/tabfiles-parse-mtab index ffd0c13..93f4849 100644 --- a/tests/expected/libmount/tabfiles-parse-mtab +++ b/tests/expected/libmount/tabfiles-parse-mtab @@ -66,3 +66,10 @@ target: /var/lib/nfs/rpc_pipefs fstype: rpc_pipefs optstr: rw VFS-optstr: rw +------ fs: +source: none +target: /var/tmp/ / / / / / / / / / / / / / / +fstype: overlay +optstr: rw,relatime,lowerdir=lower,upperdir=upper,workdir=work +VFS-optstr: rw,relatime +FS-opstr: lowerdir=lower,upperdir=upper,workdir=work diff --git a/tests/expected/libmount/tabfiles-py-parse-mtab b/tests/expected/libmount/tabfiles-py-parse-mtab index ffd0c13..93f4849 100644 --- a/tests/expected/libmount/tabfiles-py-parse-mtab +++ b/tests/expected/libmount/tabfiles-py-parse-mtab @@ -66,3 +66,10 @@ target: /var/lib/nfs/rpc_pipefs fstype: rpc_pipefs optstr: rw VFS-optstr: rw +------ fs: +source: none +target: /var/tmp/ / / / / / / / / / / / / / / +fstype: overlay +optstr: rw,relatime,lowerdir=lower,upperdir=upper,workdir=work +VFS-optstr: rw,relatime +FS-opstr: lowerdir=lower,upperdir=upper,workdir=work diff --git a/tests/ts/libmount/files/mtab b/tests/ts/libmount/files/mtab index 2de255b..93bc90e 100644 --- a/tests/ts/libmount/files/mtab +++ b/tests/ts/libmount/files/mtab @@ -9,3 +9,4 @@ none /proc/sys/fs/binfmt_misc binfmt_misc rw 0 0 fusectl /sys/fs/fuse/connections fusectl rw 0 0 gvfs-fuse-daemon /home/kzak/.gvfs fuse.gvfs-fuse-daemon rw,nosuid,nodev,user=kzak 0 0 sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw 0 0 +none 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overlay rw,relatime,lowerdir=lower,upperdir=upper,workdir=work 0 0 -- 1.9.1 -- Kees Cook Chrome OS Security -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
