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| author | Bruno Meneguele <bmeneg@redhat.com> | 2021-12-28 23:03:03 -0300 |
|---|---|---|
| committer | Mimi Zohar <zohar@linux.ibm.com> | 2022-01-05 06:22:00 -0500 |
| commit | 520451e90cbe9da018a045825626afb354b3465c (patch) | |
| tree | b59f077d01ac3bc40c697af0c4453d0f80942d31 /security | |
| parent | 9be6dc8059bb235ffb0666690a26c0df15cc6d9e (diff) | |
| download | linux-stable-520451e90cbe9da018a045825626afb354b3465c.tar.gz linux-stable-520451e90cbe9da018a045825626afb354b3465c.tar.bz2 linux-stable-520451e90cbe9da018a045825626afb354b3465c.zip | |
ima: silence measurement list hexdump during kexec
Directly calling print_hex_dump() dumps the IMA measurement list on soft
resets (kexec) straight to the syslog (kmsg/dmesg) without considering the
DEBUG flag or the dynamic debug state, causing the output to be always
printed, including during boot time.
Since this output is only valid for IMA debugging, but not necessary on
normal kexec operation, print_hex_dump_debug() adheres to the pr_debug()
behavior: the dump is only printed to syslog when DEBUG is defined or when
explicitly requested by the user through dynamic debugging.
Signed-off-by: Bruno Meneguele <bmeneg@redhat.com>
Signed-off-by: Mimi Zohar <zohar@linux.ibm.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/integrity/ima/ima_kexec.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/security/integrity/ima/ima_kexec.c b/security/integrity/ima/ima_kexec.c index f799cc278a9a..13753136f03f 100644 --- a/security/integrity/ima/ima_kexec.c +++ b/security/integrity/ima/ima_kexec.c @@ -61,9 +61,9 @@ static int ima_dump_measurement_list(unsigned long *buffer_size, void **buffer, } memcpy(file.buf, &khdr, sizeof(khdr)); - print_hex_dump(KERN_DEBUG, "ima dump: ", DUMP_PREFIX_NONE, - 16, 1, file.buf, - file.count < 100 ? file.count : 100, true); + print_hex_dump_debug("ima dump: ", DUMP_PREFIX_NONE, 16, 1, + file.buf, file.count < 100 ? file.count : 100, + true); *buffer_size = file.count; *buffer = file.buf; |