diff options
Diffstat (limited to 'tools/testing/fault-injection/failcmd.sh')
| -rwxr-xr-x[-rw-r--r--] | tools/testing/fault-injection/failcmd.sh | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/tools/testing/fault-injection/failcmd.sh b/tools/testing/fault-injection/failcmd.sh index 78a9ed7fecdb..c4f2432750f4 100644..100755 --- a/tools/testing/fault-injection/failcmd.sh +++ b/tools/testing/fault-injection/failcmd.sh @@ -1,4 +1,5 @@ #!/bin/bash +# SPDX-License-Identifier: GPL-2.0 # # NAME # failcmd.sh - run a command with injecting slab/page allocation failures @@ -41,7 +42,7 @@ OPTIONS --interval=value, --space=value, --verbose=value, --task-filter=value, --stacktrace-depth=value, --require-start=value, --require-end=value, --reject-start=value, --reject-end=value, --ignore-gfp-wait=value - See Documentation/fault-injection/fault-injection.txt for more + See Documentation/fault-injection/fault-injection.rst for more information failslab options: @@ -63,6 +64,14 @@ ENVIRONMENT EOF } +exit_if_not_hex() { + local value="$1" + if ! [[ $value =~ ^0x[0-9a-fA-F]+$ ]]; then + echo "Error: The provided value '$value' is not a valid hexadecimal number." >&2 + exit 1 + fi +} + if [ $UID != 0 ]; then echo must be run as root >&2 exit 1 @@ -159,18 +168,22 @@ while true; do shift 2 ;; --require-start) + exit_if_not_hex "$2" echo $2 > $FAULTATTR/require-start shift 2 ;; --require-end) + exit_if_not_hex "$2" echo $2 > $FAULTATTR/require-end shift 2 ;; --reject-start) + exit_if_not_hex "$2" echo $2 > $FAULTATTR/reject-start shift 2 ;; --reject-end) + exit_if_not_hex "$2" echo $2 > $FAULTATTR/reject-end shift 2 ;; |