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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, by this commit, the config has below diff: --- /pkg/linux/x86_64-randconfig-101-20250522/clang-20/d469eaed223fa485eabebd3bcd05ddd3c891f54e/.config 2025-05-23 23:44:56.781716572 +0800 +++ /pkg/linux/x86_64-randconfig-101-20250522/clang-20/40b9969796bfa49ed1b0f7ddc254f48cb2ac6d2c/.config 2025-05-24 02:08:29.858605300 +0800 @@ -4837,7 +4837,8 @@ CONFIG_CRYPTO_ACOMP2=y CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_USER is not set -CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=y +CONFIG_CRYPTO_SELFTESTS=y +# CONFIG_CRYPTO_MANAGER_EXTRA_TESTS is not set # CONFIG_CRYPTO_NULL is not set CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_CRYPTD=y it seems tests are enabled then we observe the UBSAN issues d469eaed223fa485 40b9969796bfa49ed1b0f7ddc25 ---------------- --------------------------- fail:runs %reproduction fail:runs | | | :6 100% 6:6 dmesg.UBSAN:unsigned-integer-overflow_in_lib/crypto/chacha20poly1305-selftest.c :6 100% 6:6 dmesg.UBSAN:unsigned-integer-overflow_in_lib/crypto/chacha20poly1305.c it's hard for bot to apply this commit to previous commits in bisect, so we just make out below report FYI that we observe UBSAN issues in boot tests. kernel test robot noticed "UBSAN:unsigned-integer-overflow_in_lib/crypto/chacha20poly1305-selftest.c" on: commit: 40b9969796bfa49ed1b0f7ddc254f48cb2ac6d2c ("crypto: testmgr - replace CRYPTO_MANAGER_DISABLE_TESTS with CRYPTO_SELFTESTS") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master [test failed on linux-next/master 176e917e010cb7dcc605f11d2bc33f304292482b] in testcase: boot config: x86_64-randconfig-101-20250522 compiler: clang-20 test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G (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 | Closes: https://lore.kernel.org/oe-lkp/202505281024.f42beaa7-lkp@intel.com [ 12.442846][ T1] ------------[ cut here ]------------ [ 12.443261][ T1] UBSAN: unsigned-integer-overflow in lib/crypto/chacha20poly1305-selftest.c:8854:47 [ 12.444084][ T1] 16 - 114 cannot be represented in type 'size_t' (aka 'unsigned long') [ 12.444682][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G T 6.15.0-rc5-00342-g40b9969796bf #1 VOLUNTARY [ 12.444688][ T1] Tainted: [T]=RANDSTRUCT [ 12.444689][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 12.444691][ T1] Call Trace: [ 12.444693][ T1] [ 12.444696][ T1] __dump_stack (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/dump_stack.c:95) [ 12.444705][ T1] dump_stack_lvl (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/dump_stack.c:123 (discriminator 1)) [ 12.444709][ T1] dump_stack (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/dump_stack.c:130) [ 12.444712][ T1] ubsan_epilogue (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/ubsan.c:232 (discriminator 2)) [ 12.444717][ T1] handle_overflow (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/ubsan.c:?) [ 12.444729][ T1] __ubsan_handle_sub_overflow (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/ubsan.c:277) [ 12.444732][ T1] chacha20poly1305_encrypt_bignonce (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/crypto/chacha20poly1305-selftest.c:?) [ 12.444759][ T1] ? kasan_save_alloc_info (kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/generic.c:563 (discriminator 1)) [ 12.444766][ T1] chacha20poly1305_selftest_encrypt (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/crypto/chacha20poly1305-selftest.c:?) [ 12.444772][ T1] chacha20poly1305_selftest (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/crypto/chacha20poly1305-selftest.c:8903 (discriminator 1)) [ 12.444787][ T1] chacha20poly1305_init (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/crypto/chacha20poly1305.c:362) [ 12.444790][ T1] do_one_initcall (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1257) [ 12.444793][ T1] ? blake2s_random_test (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/crypto/chacha20poly1305.c:360) [ 12.444801][ T1] ? kasan_save_track (kbuild/obj/consumer/x86_64-randconfig-101-20250522/arch/x86/include/asm/current.h:25 (discriminator 3) kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/common.c:60 (discriminator 3) kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/common.c:69 (discriminator 3)) [ 12.444803][ T1] ? kasan_save_track (kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/common.c:48 kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/common.c:68) [ 12.444804][ T1] ? kasan_save_alloc_info (kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/generic.c:563 (discriminator 1)) [ 12.444806][ T1] ? __kasan_kmalloc (kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/common.c:398) [ 12.444808][ T1] ? __kmalloc_noprof (kbuild/obj/consumer/x86_64-randconfig-101-20250522/include/linux/kasan.h:260 kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/slub.c:4327 kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/slub.c:4339) [ 12.444814][ T1] ? do_initcalls (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1329) [ 12.444817][ T1] ? do_basic_setup (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1355) [ 12.444824][ T1] ? trace_hardirqs_on (kbuild/obj/consumer/x86_64-randconfig-101-20250522/kernel/trace/trace_preemptirq.c:80) [ 12.444829][ T1] ? irqentry_exit (kbuild/obj/consumer/x86_64-randconfig-101-20250522/kernel/entry/common.c:358) [ 12.444834][ T1] ? sysvec_apic_timer_interrupt (kbuild/obj/consumer/x86_64-randconfig-101-20250522/arch/x86/kernel/apic/apic.c:1049 (discriminator 256)) [ 12.444840][ T1] ? do_initcall_level (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1303) [ 12.444847][ T1] ? next_arg (kbuild/obj/consumer/x86_64-randconfig-101-20250522/lib/cmdline.c:273) [ 12.444853][ T1] ? parameq (kbuild/obj/consumer/x86_64-randconfig-101-20250522/kernel/params.c:90 (discriminator 1) kbuild/obj/consumer/x86_64-randconfig-101-20250522/kernel/params.c:99 (discriminator 1)) [ 12.444858][ T1] ? parse_args (kbuild/obj/consumer/x86_64-randconfig-101-20250522/kernel/params.c:153 kbuild/obj/consumer/x86_64-randconfig-101-20250522/kernel/params.c:186) [ 12.444869][ T1] do_initcall_level (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1318 (discriminator 6)) [ 12.444874][ T1] do_initcalls (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1332 (discriminator 2)) [ 12.444878][ T1] do_basic_setup (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1355) [ 12.444882][ T1] kernel_init_freeable (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1571) [ 12.444885][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1449) [ 12.444887][ T1] kernel_init (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1459) [ 12.444890][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1449) [ 12.444892][ T1] ret_from_fork (kbuild/obj/consumer/x86_64-randconfig-101-20250522/arch/x86/kernel/process.c:153) [ 12.444895][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-101-20250522/init/main.c:1449) [ 12.444898][ T1] ret_from_fork_asm (kbuild/obj/consumer/x86_64-randconfig-101-20250522/arch/x86/entry/entry_64.S:255) [ 12.444909][ T1] [ 12.475589][ T1] ---[ end trace ]--- The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250528/202505281024.f42beaa7-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki