Buildresult: crypto/x86_64-allmodconfig/x86_64-gcc8 built on Apr 16 2020, 19:40

kisskb

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Status:	OK
Date/Time:	Apr 16 2020, 19:40
Duration:	0:24:39.700413
Builder:	ka2
Revision:	crypto: caam - fix the address of the last entry of S/G (`55b3209acbb01cb02b1ee6b1afe80d83b1aab36d)`
Target:	crypto/x86_64-allmodconfig/x86_64-gcc8
Branch:	crypto
Compiler:	x86_64-gcc8 (x86_64-linux-gcc (GCC) 8.1.0 / GNU ld (GNU Binutils) 2.30)
Config:	allmodconfig (download)
Log:	Download original Possible warnings (1) drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c:1138:27: warning: 'rule' may be used uninitialized in this function [-Wmaybe-uninitialized] Full Log # git rev-parse -q --verify 55b3209acbb01cb02b1ee6b1afe80d83b1aab36d^{commit} 55b3209acbb01cb02b1ee6b1afe80d83b1aab36d already have revision, skipping fetch # git checkout -q -f -B kisskb 55b3209acbb01cb02b1ee6b1afe80d83b1aab36d # git clean -qxdf # < git log -1 # commit 55b3209acbb01cb02b1ee6b1afe80d83b1aab36d # Author: Iuliana Prodan <iuliana.prodan@nxp.com> # Date: Tue Apr 7 18:58:45 2020 +0300 # # crypto: caam - fix the address of the last entry of S/G # # For skcipher algorithms, the input, output HW S/G tables # look like this: [IV, src][dst, IV] # Now, we can have 2 conditions here: # - there is no IV; # - src and dst are equal (in-place encryption) and scattered # and the error is an "off-by-one" in the HW S/G table. # # This issue was seen with KASAN: # BUG: KASAN: slab-out-of-bounds in skcipher_edesc_alloc+0x95c/0x1018 # # Read of size 4 at addr ffff000022a02958 by task cryptomgr_test/321 # # CPU: 2 PID: 321 Comm: cryptomgr_test Not tainted # 5.6.0-rc1-00165-ge4ef8383-dirty #4 # Hardware name: LS1046A RDB Board (DT) # Call trace: # dump_backtrace+0x0/0x260 # show_stack+0x14/0x20 # dump_stack+0xe8/0x144 # print_address_description.isra.11+0x64/0x348 # __kasan_report+0x11c/0x230 # kasan_report+0xc/0x18 # __asan_load4+0x90/0xb0 # skcipher_edesc_alloc+0x95c/0x1018 # skcipher_encrypt+0x84/0x150 # crypto_skcipher_encrypt+0x50/0x68 # test_skcipher_vec_cfg+0x4d4/0xc10 # test_skcipher_vec+0x178/0x1d8 # alg_test_skcipher+0xec/0x230 # alg_test.part.44+0x114/0x4a0 # alg_test+0x1c/0x60 # cryptomgr_test+0x34/0x58 # kthread+0x1b8/0x1c0 # ret_from_fork+0x10/0x18 # # Allocated by task 321: # save_stack+0x24/0xb0 # __kasan_kmalloc.isra.10+0xc4/0xe0 # kasan_kmalloc+0xc/0x18 # __kmalloc+0x178/0x2b8 # skcipher_edesc_alloc+0x21c/0x1018 # skcipher_encrypt+0x84/0x150 # crypto_skcipher_encrypt+0x50/0x68 # test_skcipher_vec_cfg+0x4d4/0xc10 # test_skcipher_vec+0x178/0x1d8 # alg_test_skcipher+0xec/0x230 # alg_test.part.44+0x114/0x4a0 # alg_test+0x1c/0x60 # cryptomgr_test+0x34/0x58 # kthread+0x1b8/0x1c0 # ret_from_fork+0x10/0x18 # # Freed by task 0: # (stack is not available) # # The buggy address belongs to the object at ffff000022a02800 # which belongs to the cache dma-kmalloc-512 of size 512 # The buggy address is located 344 bytes inside of # 512-byte region [ffff000022a02800, ffff000022a02a00) # The buggy address belongs to the page: # page:fffffe00006a8000 refcount:1 mapcount:0 mapping:ffff00093200c400 # index:0x0 compound_mapcount: 0 # flags: 0xffff00000010200(slab\|head) # raw: 0ffff00000010200 dead000000000100 dead000000000122 ffff00093200c400 # raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 # page dumped because: kasan: bad access detected # # Memory state around the buggy address: # ffff000022a02800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 # ffff000022a02880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 # >ffff000022a02900: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc # ^ # ffff000022a02980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc # ffff000022a02a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc # # Fixes: 334d37c9e263 ("crypto: caam - update IV using HW support") # Cc: <stable@vger.kernel.org> # v5.3+ # Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com> # Reviewed-by: Horia Geantă <horia.geanta@nxp.com> # Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux-ld --version # < git log --format=%s --max-count=1 55b3209acbb01cb02b1ee6b1afe80d83b1aab36d # < make -s -j 24 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- allmodconfig # Added to kconfig CONFIG_BUILD_DOCSRC=n # Added to kconfig CONFIG_MODULE_SIG=n # Added to kconfig CONFIG_SAMPLES=n # < make -s -j 24 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- help # make -s -j 24 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- olddefconfig # make -s -j 24 ARCH=x86 O=/kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-8.1.0-nolibc/x86_64-linux/bin/x86_64-linux- /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c: In function 'mlx5_tc_ct_flow_offload': /kisskb/src/drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c:1138:27: warning: 'rule' may be used uninitialized in this function [-Wmaybe-uninitialized] struct mlx5_flow_handle *rule; ^~~~ Completed OK # rm -rf /kisskb/build/crypto_x86-allmodconfig_x86_64-gcc8 # Build took: 0:24:39.700413

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