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/freebsd-11.0-release/bin/sh/tests/errors/
H A Dbad-parm-exp7.0287081 Sun Aug 23 20:55:41 MDT 2015 jilles sh: Don't create bad parse result when postponing a bad substitution error.

An invalid substitution like ${var@} does not cause a parse error but is
stored in the intermediate representation, to be written as part of the
error message. If there is a CTL* byte in the stored part, this confuses
some code such as the code to skip an unused alternative such as in
${var-alternative}.

To keep things simple, do not store CTL* bytes.

Found with afl-fuzz.

MFC after: 1 week
H A Dbad-parm-exp8.0287081 Sun Aug 23 20:55:41 MDT 2015 jilles sh: Don't create bad parse result when postponing a bad substitution error.

An invalid substitution like ${var@} does not cause a parse error but is
stored in the intermediate representation, to be written as part of the
error message. If there is a CTL* byte in the stored part, this confuses
some code such as the code to skip an unused alternative such as in
${var-alternative}.

To keep things simple, do not store CTL* bytes.

Found with afl-fuzz.

MFC after: 1 week
H A DMakefilediff 287081 Sun Aug 23 20:55:41 MDT 2015 jilles sh: Don't create bad parse result when postponing a bad substitution error.

An invalid substitution like ${var@} does not cause a parse error but is
stored in the intermediate representation, to be written as part of the
error message. If there is a CTL* byte in the stored part, this confuses
some code such as the code to skip an unused alternative such as in
${var-alternative}.

To keep things simple, do not store CTL* bytes.

Found with afl-fuzz.

MFC after: 1 week
/freebsd-11.0-release/bin/sh/
H A Dparser.cdiff 287081 Sun Aug 23 20:55:41 MDT 2015 jilles sh: Don't create bad parse result when postponing a bad substitution error.

An invalid substitution like ${var@} does not cause a parse error but is
stored in the intermediate representation, to be written as part of the
error message. If there is a CTL* byte in the stored part, this confuses
some code such as the code to skip an unused alternative such as in
${var-alternative}.

To keep things simple, do not store CTL* bytes.

Found with afl-fuzz.

MFC after: 1 week

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