Hello Since now 3 weeks, all my CI(qemus and some real boards) leads to: [ 264.100616] TEST: md5 md5-generic [ 264.288660] TEST: sha1 sha1-generic [ 270.267367] TEST: md4 md4-generic [ 270.423889] TEST: sha256 sha256-generic [ 285.238346] CPU feature 'AVX registers' is not supported. [ 285.261400] CPU feature 'AVX registers' is not supported. [ 287.760639] CPU feature 'AVX registers' is not supported. [ 287.779303] CPU feature 'AVX registers' is not supported. [ 291.467853] CPU feature 'AVX registers' is not supported. [ 291.523581] CPU feature 'AVX registers' is not supported. [ 293.398314] CPU feature 'AVX registers' is not supported. [ 293.416337] CPU feature 'AVX registers' is not supported. [ 293.438402] CPU feature 'AVX registers' is not supported. [ 293.456731] CPU feature 'AVX registers' is not supported. [ 301.296291] CPU feature 'AVX registers' is not supported. [ 301.316407] CPU feature 'AVX registers' is not supported. [ 301.352417] CPU feature 'AVX registers' is not supported. [ 301.371220] CPU feature 'AVX registers' is not supported. [ 304.853581] CPU feature 'AVX registers' is not supported. [ 304.873051] CPU feature 'AVX registers' is not supported. [ 304.908282] CPU feature 'AVX registers' is not supported. [ 304.926279] CPU feature 'AVX registers' is not supported. [ 317.182018] TEST: sha384 sha384-generic [ 317.386478] TEST: sha512 sha512-generic [ 318.119704] CPU feature 'AVX registers' is not supported. [ 318.145027] CPU feature 'AVX registers' is not supported. [ 320.111300] CPU feature 'AVX registers' is not supported. [ 320.132432] CPU feature 'AVX registers' is not supported. [ 322.490743] CPU feature 'AVX registers' is not supported. [ 322.512278] CPU feature 'AVX registers' is not supported. [ 323.609391] CPU feature 'AVX registers' is not supported. [ 323.629135] CPU feature 'AVX registers' is not supported. [ 324.864194] TEST: michael_mic michael_mic-generic [ 324.990626] TEST: crc32c crc32c-generic [ 325.147366] TEST: crc32c crc32c-generic [ 327.719523] TEST: wp512 wp512-generic [ 328.213000] TEST: wp384 wp384-generic [ 328.677561] TEST: wp256 wp256-generic [ 332.143974] TEST: tgr192 tgr192-generic [ 332.379017] TEST: tgr160 tgr160-generic [ 332.590082] TEST: tgr128 tgr128-generic [ 337.245417] AVX or AES-NI instructions are not detected. [ 337.272719] AVX or AES-NI instructions are not detected. [ 337.296407] AVX or AES-NI instructions are not detected. [ 337.316576] AVX or AES-NI instructions are not detected. [ 339.663254] AVX or AES-NI instructions are not detected. [ 339.681273] AVX or AES-NI instructions are not detected. [ 339.704385] AVX or AES-NI instructions are not detected. [ 339.722374] AVX or AES-NI instructions are not detected. [ 342.944105] AVX or AES-NI instructions are not detected. [ 342.959325] AVX or AES-NI instructions are not detected. [ 342.995669] AVX or AES-NI instructions are not detected. [ 343.020392] AVX or AES-NI instructions are not detected. [ 344.067202] TEST: sha224 sha224-generic [ 347.337089] TEST: cbcmac(aes-asm) cbcmac(aes-generic) [ 351.151153] TEST: rmd128 rmd128-generic [ 351.659582] TEST: rmd160 rmd160-generic [ 352.240422] TEST: rmd256 rmd256-generic [ 352.690148] TEST: rmd320 rmd320-generic [ 355.907134] TEST: ghash ghash-generic [ 356.520343] TEST: crct10dif crct10dif-generic [ 357.297442] TEST: sha3-224 sha3-224-generic [ 357.590050] TEST: sha3-256 sha3-256-generic [ 357.887517] TEST: sha3-384 sha3-384-generic [ 358.227582] TEST: sha3-512 sha3-512-generic [ 358.835525] TEST: sm3 sm3-generic [ 359.402569] TEST: streebog256 streebog256-generic [ 359.901500] TEST: streebog512 streebog512-generic [ 360.658218] TEST: hmac(md5) hmac(md5-generic) [ 361.073303] TEST: hmac(sha1) hmac(sha1-generic) [ 361.395011] TEST: hmac(sha256) hmac(sha256-generic) [ 361.863977] TEST: hmac(sha384) hmac(sha384-generic) [ 362.336112] TEST: hmac(sha512) hmac(sha512-generic) [ 362.803184] TEST: hmac(sha224) hmac(sha224-generic) [ 363.466134] TEST: xcbc(aes-asm) xcbc(aes-generic) [ 363.765628] TEST: xcbc(aes) xcbc(aes-generic) [ 364.233696] TEST: hmac(rmd128) hmac(rmd128-generic) [ 364.665437] TEST: hmac(rmd160) hmac(rmd160-generic) [ 365.385328] TEST: vmac64(aes-asm) vmac64(aes-generic) [ 365.660669] TEST: vmac64(aes) vmac64(aes-generic) [ 366.041220] TEST: hmac(sha3-224) hmac(sha3-224-generic) [ 366.044195] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: generate_random_hash_testvec.constprop.39+0xe6/0xf4 [ 366.046811] CPU: 0 PID: 2247 Comm: modprobe Not tainted 5.1.0-next-20190509+ #38 [ 366.048437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-1.fc28 04/01/2014 [ 366.050349] Call Trace: [ 366.052558] dump_stack+0x46/0x60 [ 366.053944] panic+0xf6/0x2b7 [ 366.054354] ? snprintf+0x49/0x60 [ 366.056265] ? generate_random_hash_testvec.constprop.39+0xe6/0xf4 [ 366.056900] __stack_chk_fail+0x10/0x10 [ 366.058161] generate_random_hash_testvec.constprop.39+0xe6/0xf4 [ 366.060709] test_hash_vs_generic_impl.cold.59+0x47/0x135 [ 366.061335] ? valid_sg_divisions.constprop.45+0x86/0x90 [ 366.062674] ? valid_testvec_config+0xb1/0xe0 [ 366.064567] ? test_hash_vec+0xe0/0x120 [ 366.065102] __alg_test_hash+0x128/0x1b0 [ 366.066993] alg_test_hash+0xb3/0x110 [ 366.068136] alg_test.part.34+0xa0/0x2e0 [ 366.068627] ? sysret32_from_system_call+0x27/0x87 [ 366.070554] ? apic_timer_interrupt+0xa/0x20 [ 366.071081] ? __alg_test_hash+0x170/0x1b0 [ 366.073448] do_test+0x221b/0x4807 [tcrypt] [ 366.074935] ? 0xffffffffc031c000 [ 366.075458] tcrypt_mod_init+0x50/0x1000 [tcrypt] [ 366.076788] ? 0xffffffffc031c000 [ 366.078528] do_one_initcall+0x41/0x1df [ 366.079028] ? _cond_resched+0x10/0x20 [ 366.080182] ? kmem_cache_alloc_trace+0x33/0x150 [ 366.081404] do_init_module+0x55/0x200 [ 366.082554] load_module+0x1f65/0x2410 [ 366.083849] ? __do_sys_finit_module+0xba/0xe0 [ 366.085067] __do_sys_finit_module+0xba/0xe0 [ 366.086139] do_syscall_64+0x43/0x100 [ 366.087162] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 366.088321] RIP: 0033:0x7f36177fabb9 [ 366.090224] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a7 32 0c 00 f7 d8 64 89 01 48 [ 366.092579] RSP: 002b:00007ffd387a4018 EFLAGS: 00000206 ORIG_RAX: 0000000000000139 [ 366.094397] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f36177fabb9 [ 366.095790] RDX: 0000000000000000 RSI: 00000000023229c0 RDI: 0000000000000003 [ 366.097041] RBP: 00000000023229c0 R08: 0000000002321f00 R09: 0000000000000001 [ 366.098313] R10: 000000000000001f R11: 0000000000000206 R12: 00000000023229a0 [ 366.099574] R13: 0000000000000001 R14: 0000000002321f00 R15: 0000000000000000 [ 366.101715] Kernel Offset: 0x16600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 366.103970] ---[ end Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: generate_random_hash_testvec.constprop.39+0xe6/0xf4 ]--- This problem arise when I modprobe tcrypt I have added some debug to find which alg was causing that, and it seems it is hmac(sha3-224) Regards PS: another crash on a real board: [ 186.490735] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: generate_random_hash_testvec.constprop.12+0x128/0x128 [ 186.497653] CPU: 2 PID: 6435 Comm: modprobe Tainted: G W 5.1.0-next-20190513-00100-g5b463b4dd4f8 #30 [ 186.507996] Hardware name: Libre Computer Board AML-S905X-CC (DT) [ 186.514034] Call trace: [ 186.516454] dump_backtrace+0x0/0x140 [ 186.520074] show_stack+0x14/0x20 [ 186.523352] dump_stack+0xa8/0xcc [ 186.526628] panic+0x140/0x334 [ 186.529646] print_tainted+0x0/0xa8 [ 186.533097] generate_random_sgl_divisions.constprop.14+0x0/0x238 [ 186.539134] test_hash_vs_generic_impl+0x1f8/0x2f8 [ 186.543877] __alg_test_hash+0x188/0x230 [ 186.547762] SMP: stopping secondary CPUs [ 186.551641] Kernel Offset: disabled [ 186.555090] CPU features: 0x002,20002004 [ 186.558970] Memory Limit: none [ 186.561999] ---[ end Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: generate_random_hash_testvec.constprop.12+0x128/0x128 ]---