[LTP] [linux-next:master] [icmp] 64db5933c7: ltp.cve-2020-25705.fail

[Eric Dumazet]

On Mon, Mar 9, 2026 at 7:42 AM kernel test robot <oliver.sang@intel.com> wrote:
>
>
>
> Hello,
>
> kernel test robot noticed "ltp.cve-2020-25705.fail" on:
>
> commit: 64db5933c7adcdc4dd8f5ef6506cc998ecbe63ac ("icmp: increase net.ipv4.icmp_msgs_{per_sec,burst}")
> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> [test failed on linux-next/master a0ae2a256046c0c5d3778d1a194ff2e171f16e5f]
>
> in testcase: ltp
> version:
> with following parameters:
>
>         test: cve-06/cve-2020-25705
>
>
>
> config: x86_64-rhel-9.4-ltp
> compiler: gcc-14
> test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz (Haswell) with 16G memory
>
> (please refer to attached dmesg/kmsg for entire log/backtrace)
>
>
>
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <oliver.sang@intel.com>
> | Closes: https://lore.kernel.org/oe-lkp/202603091409.866c520c-lkp@intel.com
>
>
> PATH=/lkp/benchmarks/ltp:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/lkp/lkp/src/bin
> 2026-03-06 06:12:16 cd /lkp/benchmarks/ltp
> 2026-03-06 06:12:16 export LTP_RUNTIME_MUL=2
> 2026-03-06 06:12:16 export LTPROOT=/lkp/benchmarks/ltp
> 2026-03-06 06:12:16 kirk -f temp_single_test
> Host information
>         Hostname:   lkp-hsw-d05
>         Python:     3.13.5 (main, Jun 25 2025, 18:55:22) [GCC 14.2.0]
>         Directory:  /tmp/kirk.root/tmpyus4a2ag
>
> Connecting to SUT: default
>
> Suite: temp_single_test
> ───────────────────────
>  [1;37mcve-2020-25705:  [0m [1;31mfail [0m |  [1;33mtainted [0m  (16.104s)
>
> Execution time: 16.158s
>
> Disconnecting from SUT: default
>
> Target information
> ──────────────────
> Kernel:   Linux 6.19.0-11801-g64db5933c7ad #1 SMP PREEMPT_DYNAMIC Fri Mar  6 13:49:07 CST 2026
> Cmdline:  ip=::::lkp-hsw-d05::dhcp
>           root=/dev/ram0
>           RESULT_ROOT=/result/ltp/cve-06_cve-2020-25705/lkp-hsw-d05/debian-13-x86_64-20250902.cgz/x86_64-rhel-9.4-ltp/gcc-14/64db5933c7adcdc4dd8f5ef6506cc998ecbe63ac/0
>           BOOT_IMAGE=/pkg/linux/x86_64-rhel-9.4-ltp/gcc-14/64db5933c7adcdc4dd8f5ef6506cc998ecbe63ac/vmlinuz-6.19.0-11801-g64db5933c7ad
>           branch=linux-devel/devel-hourly-20260302-003818
>           job=/lkp/jobs/scheduled/lkp-hsw-d05/ltp-cve-06_cve-2020-25705-debian-13-x86_64-20250902.cgz-64db5933c7ad-20260306-21371-13x9t7k-1.yaml
>           user=lkp
>           ARCH=x86_64
>           kconfig=x86_64-rhel-9.4-ltp
>           commit=64db5933c7adcdc4dd8f5ef6506cc998ecbe63ac
>           intremap=posted_msi
>           max_uptime=14400
>           LKP_SERVER=internal-lkp-server
>           nokaslr
>           selinux=0
>           debug
>           apic=debug
>           sysrq_always_enabled
>           rcupdate.rcu_cpu_stall_timeout=100
>           net.ifnames=0
>           printk.devkmsg=on
>           panic=-1
>           softlockup_panic=1
>           nmi_watchdog=panic
>           oops=panic
>           load_ramdisk=2
>           prompt_ramdisk=0
>           drbd.minor_count=8
>           systemd.log_level=err
>           ignore_loglevel
>           console=tty0
>           earlyprintk=ttyS0,115200
>           console=ttyS0,115200
>           vga=normal
>           rw
>           keep_initrds=/osimage/pkg/debian-13-x86_64-20250902.cgz/ltp-x86_64-92ea0639e-1_20260301.cgz
> Machine:  unknown
> Arch:     x86_64
> RAM:      14040916 kB
> Swap:     0 kB
> Distro:   debian 13
>
> ────────────────────────
>       TEST SUMMARY
> ────────────────────────
> Suite:   temp_single_test
> Runtime: 16.104s
> Runs:    1
>
> Results:
>     Passed:   0
>     Failed:   1
>     Broken:   0
>     Skipped:  0
>     Warnings: 0
>
>  [1;31mFailures: [0m
>     • cve-2020-25705
>
> Session stopped
>
>
>
> The kernel config and materials to reproduce are available at:
> https://download.01.org/0day-ci/archive/20260309/202603091409.866c520c-lkp@intel.com
>
>

I do not want to know what this test is doing or expecting.

If it expects sysctls to have a precise value, it should set them ?