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X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW3PR11MB4714 X-OriginatorOrg: intel.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Hello, by this commit, the config has below diff: --- /pkg/linux/x86_64-randconfig-101-20250522/clang-20/d469eaed223fa485eabe= bd3bcd05ddd3c891f54e/.config 2025-05-23 23:44:56.781716572 +0800 +++ /pkg/linux/x86_64-randconfig-101-20250522/clang-20/40b9969796bfa49ed1b0= f7ddc254f48cb2ac6d2c/.config 2025-05-24 02:08:29.858605300 +0800 @@ -4837,7 +4837,8 @@ CONFIG_CRYPTO_ACOMP2=3Dy CONFIG_CRYPTO_MANAGER=3Dy CONFIG_CRYPTO_MANAGER2=3Dy # CONFIG_CRYPTO_USER is not set -CONFIG_CRYPTO_MANAGER_DISABLE_TESTS=3Dy +CONFIG_CRYPTO_SELFTESTS=3Dy +# CONFIG_CRYPTO_MANAGER_EXTRA_TESTS is not set # CONFIG_CRYPTO_NULL is not set CONFIG_CRYPTO_PCRYPT=3Dm CONFIG_CRYPTO_CRYPTD=3Dy 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/ch= acha20poly1305-selftest.c" on: commit: 40b9969796bfa49ed1b0f7ddc254f48cb2ac6d2c ("crypto: testmgr - replac= e 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 versio= n 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/chach= a20poly1305-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]=3DRANDSTRUCT [ 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-101-2= 0250522/lib/dump_stack.c:95)=20 [ 12.444705][ T1] dump_stack_lvl (kbuild/obj/consumer/x86_64-randconfig-101= -20250522/lib/dump_stack.c:123 (discriminator 1))=20 [ 12.444709][ T1] dump_stack (kbuild/obj/consumer/x86_64-randconfig-101-202= 50522/lib/dump_stack.c:130)=20 [ 12.444712][ T1] ubsan_epilogue (kbuild/obj/consumer/x86_64-randconfig-101= -20250522/lib/ubsan.c:232 (discriminator 2))=20 [ 12.444717][ T1] handle_overflow (kbuild/obj/consumer/x86_64-randconfig-10= 1-20250522/lib/ubsan.c:?)=20 [ 12.444729][ T1] __ubsan_handle_sub_overflow (kbuild/obj/consumer/x86_64-r= andconfig-101-20250522/lib/ubsan.c:277)=20 [ 12.444732][ T1] chacha20poly1305_encrypt_bignonce (kbuild/obj/consumer/x8= 6_64-randconfig-101-20250522/lib/crypto/chacha20poly1305-selftest.c:?)=20 [ 12.444759][ T1] ? kasan_save_alloc_info (kbuild/obj/consumer/x86_64-randc= onfig-101-20250522/mm/kasan/generic.c:563 (discriminator 1))=20 [ 12.444766][ T1] chacha20poly1305_selftest_encrypt (kbuild/obj/consumer/x8= 6_64-randconfig-101-20250522/lib/crypto/chacha20poly1305-selftest.c:?)=20 [ 12.444772][ T1] chacha20poly1305_selftest (kbuild/obj/consumer/x86_64-ran= dconfig-101-20250522/lib/crypto/chacha20poly1305-selftest.c:8903 (discrimin= ator 1))=20 [ 12.444787][ T1] chacha20poly1305_init (kbuild/obj/consumer/x86_64-randcon= fig-101-20250522/lib/crypto/chacha20poly1305.c:362)=20 [ 12.444790][ T1] do_one_initcall (kbuild/obj/consumer/x86_64-randconfig-10= 1-20250522/init/main.c:1257)=20 [ 12.444793][ T1] ? blake2s_random_test (kbuild/obj/consumer/x86_64-randcon= fig-101-20250522/lib/crypto/chacha20poly1305.c:360)=20 [ 12.444801][ T1] ? kasan_save_track (kbuild/obj/consumer/x86_64-randconfig= -101-20250522/arch/x86/include/asm/current.h:25 (discriminator 3) kbuild/ob= j/consumer/x86_64-randconfig-101-20250522/mm/kasan/common.c:60 (discriminat= or 3) kbuild/obj/consumer/x86_64-randconfig-101-20250522/mm/kasan/common.c:= 69 (discriminator 3))=20 [ 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-10= 1-20250522/mm/kasan/common.c:68)=20 [ 12.444804][ T1] ? kasan_save_alloc_info (kbuild/obj/consumer/x86_64-randc= onfig-101-20250522/mm/kasan/generic.c:563 (discriminator 1))=20 [ 12.444806][ T1] ? __kasan_kmalloc (kbuild/obj/consumer/x86_64-randconfig-= 101-20250522/mm/kasan/common.c:398)=20 [ 12.444808][ T1] ? __kmalloc_noprof (kbuild/obj/consumer/x86_64-randconfig= -101-20250522/include/linux/kasan.h:260 kbuild/obj/consumer/x86_64-randconf= ig-101-20250522/mm/slub.c:4327 kbuild/obj/consumer/x86_64-randconfig-101-20= 250522/mm/slub.c:4339)=20 [ 12.444814][ T1] ? do_initcalls (kbuild/obj/consumer/x86_64-randconfig-101= -20250522/init/main.c:1329)=20 [ 12.444817][ T1] ? do_basic_setup (kbuild/obj/consumer/x86_64-randconfig-1= 01-20250522/init/main.c:1355)=20 [ 12.444824][ T1] ? trace_hardirqs_on (kbuild/obj/consumer/x86_64-randconfi= g-101-20250522/kernel/trace/trace_preemptirq.c:80)=20 [ 12.444829][ T1] ? irqentry_exit (kbuild/obj/consumer/x86_64-randconfig-10= 1-20250522/kernel/entry/common.c:358)=20 [ 12.444834][ T1] ? sysvec_apic_timer_interrupt (kbuild/obj/consumer/x86_64= -randconfig-101-20250522/arch/x86/kernel/apic/apic.c:1049 (discriminator 25= 6))=20 [ 12.444840][ T1] ? do_initcall_level (kbuild/obj/consumer/x86_64-randconfi= g-101-20250522/init/main.c:1303)=20 [ 12.444847][ T1] ? next_arg (kbuild/obj/consumer/x86_64-randconfig-101-202= 50522/lib/cmdline.c:273)=20 [ 12.444853][ T1] ? parameq (kbuild/obj/consumer/x86_64-randconfig-101-2025= 0522/kernel/params.c:90 (discriminator 1) kbuild/obj/consumer/x86_64-randco= nfig-101-20250522/kernel/params.c:99 (discriminator 1))=20 [ 12.444858][ T1] ? parse_args (kbuild/obj/consumer/x86_64-randconfig-101-2= 0250522/kernel/params.c:153 kbuild/obj/consumer/x86_64-randconfig-101-20250= 522/kernel/params.c:186)=20 [ 12.444869][ T1] do_initcall_level (kbuild/obj/consumer/x86_64-randconfig-= 101-20250522/init/main.c:1318 (discriminator 6))=20 [ 12.444874][ T1] do_initcalls (kbuild/obj/consumer/x86_64-randconfig-101-2= 0250522/init/main.c:1332 (discriminator 2))=20 [ 12.444878][ T1] do_basic_setup (kbuild/obj/consumer/x86_64-randconfig-101= -20250522/init/main.c:1355)=20 [ 12.444882][ T1] kernel_init_freeable (kbuild/obj/consumer/x86_64-randconf= ig-101-20250522/init/main.c:1571)=20 [ 12.444885][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-101-20= 250522/init/main.c:1449)=20 [ 12.444887][ T1] kernel_init (kbuild/obj/consumer/x86_64-randconfig-101-20= 250522/init/main.c:1459)=20 [ 12.444890][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-101-20= 250522/init/main.c:1449)=20 [ 12.444892][ T1] ret_from_fork (kbuild/obj/consumer/x86_64-randconfig-101-= 20250522/arch/x86/kernel/process.c:153)=20 [ 12.444895][ T1] ? rest_init (kbuild/obj/consumer/x86_64-randconfig-101-20= 250522/init/main.c:1449)=20 [ 12.444898][ T1] ret_from_fork_asm (kbuild/obj/consumer/x86_64-randconfig-= 101-20250522/arch/x86/entry/entry_64.S:255)=20 [ 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 --=20 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki