===================================================== BUG: KMSAN: uninit-value in des3_ede_decrypt+0x845/0x19a0 lib/crypto/des.c:884 des3_ede_decrypt+0x845/0x19a0 lib/crypto/des.c:884 crypto_des3_ede_decrypt+0x32/0x40 crypto/des_generic.c:82 crypto_ecb_crypt crypto/ecb.c:23 [inline] crypto_ecb_decrypt2+0x18b/0x2f0 crypto/ecb.c:51 crypto_lskcipher_crypt+0x66d/0x750 crypto/lskcipher.c:160 crypto_lskcipher_decrypt+0x82/0xb0 crypto/lskcipher.c:194 crypto_cbc_decrypt_inplace crypto/cbc.c:108 [inline] crypto_cbc_decrypt+0x4df/0x8e0 crypto/cbc.c:131 crypto_lskcipher_crypt_sg+0x43f/0x930 crypto/lskcipher.c:229 crypto_lskcipher_decrypt_sg+0x8a/0xc0 crypto/lskcipher.c:258 crypto_skcipher_decrypt+0x10d/0x1c0 crypto/skcipher.c:693 cts_cbc_decrypt+0x51b/0x720 crypto/cts.c:219 crypto_cts_decrypt+0x77f/0x9b0 crypto/cts.c:280 crypto_skcipher_decrypt+0x189/0x1c0 crypto/skcipher.c:695 _skcipher_recvmsg crypto/algif_skcipher.c:199 [inline] skcipher_recvmsg+0x1691/0x2190 crypto/algif_skcipher.c:221 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg net/socket.c:1068 [inline] ____sys_recvmsg+0x283/0x7f0 net/socket.c:2803 ___sys_recvmsg+0x223/0x840 net/socket.c:2845 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was stored to memory at: memcpy_dir crypto/scatterwalk.c:23 [inline] scatterwalk_copychunks crypto/scatterwalk.c:38 [inline] scatterwalk_map_and_copy+0x6dc/0x9a0 crypto/scatterwalk.c:67 cts_cbc_decrypt+0x3e2/0x720 crypto/cts.c:211 crypto_cts_decrypt+0x77f/0x9b0 crypto/cts.c:280 crypto_skcipher_decrypt+0x189/0x1c0 crypto/skcipher.c:695 _skcipher_recvmsg crypto/algif_skcipher.c:199 [inline] skcipher_recvmsg+0x1691/0x2190 crypto/algif_skcipher.c:221 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg net/socket.c:1068 [inline] ____sys_recvmsg+0x283/0x7f0 net/socket.c:2803 ___sys_recvmsg+0x223/0x840 net/socket.c:2845 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was stored to memory at: cts_cbc_decrypt+0x3a3/0x720 crypto/cts.c:208 crypto_cts_decrypt+0x77f/0x9b0 crypto/cts.c:280 crypto_skcipher_decrypt+0x189/0x1c0 crypto/skcipher.c:695 _skcipher_recvmsg crypto/algif_skcipher.c:199 [inline] skcipher_recvmsg+0x1691/0x2190 crypto/algif_skcipher.c:221 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg net/socket.c:1068 [inline] ____sys_recvmsg+0x283/0x7f0 net/socket.c:2803 ___sys_recvmsg+0x223/0x840 net/socket.c:2845 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was stored to memory at: __crypto_xor+0x171/0x1310 lib/crypto/utils.c:45 crypto_xor include/crypto/utils.h:31 [inline] cts_cbc_decrypt+0x2da/0x720 crypto/cts.c:199 crypto_cts_decrypt+0x77f/0x9b0 crypto/cts.c:280 crypto_skcipher_decrypt+0x189/0x1c0 crypto/skcipher.c:695 _skcipher_recvmsg crypto/algif_skcipher.c:199 [inline] skcipher_recvmsg+0x1691/0x2190 crypto/algif_skcipher.c:221 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg net/socket.c:1068 [inline] ____sys_recvmsg+0x283/0x7f0 net/socket.c:2803 ___sys_recvmsg+0x223/0x840 net/socket.c:2845 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was stored to memory at: memcpy_dir crypto/scatterwalk.c:23 [inline] scatterwalk_copychunks crypto/scatterwalk.c:38 [inline] scatterwalk_map_and_copy+0x6dc/0x9a0 crypto/scatterwalk.c:67 cts_cbc_decrypt+0x1b9/0x720 crypto/cts.c:197 crypto_cts_decrypt+0x77f/0x9b0 crypto/cts.c:280 crypto_skcipher_decrypt+0x189/0x1c0 crypto/skcipher.c:695 _skcipher_recvmsg crypto/algif_skcipher.c:199 [inline] skcipher_recvmsg+0x1691/0x2190 crypto/algif_skcipher.c:221 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg net/socket.c:1068 [inline] ____sys_recvmsg+0x283/0x7f0 net/socket.c:2803 ___sys_recvmsg+0x223/0x840 net/socket.c:2845 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was stored to memory at: __crypto_xor+0x171/0x1310 lib/crypto/utils.c:45 crypto_xor include/crypto/utils.h:31 [inline] crypto_cbc_decrypt_segment crypto/cbc.c:81 [inline] crypto_cbc_decrypt+0x2b1/0x8e0 crypto/cbc.c:133 crypto_lskcipher_crypt_sg+0x43f/0x930 crypto/lskcipher.c:229 crypto_lskcipher_decrypt_sg+0x8a/0xc0 crypto/lskcipher.c:258 crypto_skcipher_decrypt+0x10d/0x1c0 crypto/skcipher.c:693 crypto_cts_decrypt+0x704/0x9b0 crypto/cts.c:279 crypto_skcipher_decrypt+0x189/0x1c0 crypto/skcipher.c:695 _skcipher_recvmsg crypto/algif_skcipher.c:199 [inline] skcipher_recvmsg+0x1691/0x2190 crypto/algif_skcipher.c:221 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg net/socket.c:1068 [inline] ____sys_recvmsg+0x283/0x7f0 net/socket.c:2803 ___sys_recvmsg+0x223/0x840 net/socket.c:2845 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Uninit was created at: slab_post_alloc_hook mm/slub.c:3819 [inline] slab_alloc_node mm/slub.c:3860 [inline] __do_kmalloc_node mm/slub.c:3980 [inline] __kmalloc+0x919/0xf80 mm/slub.c:3994 kmalloc include/linux/slab.h:594 [inline] sock_kmalloc+0x134/0x1f0 net/core/sock.c:2685 af_alg_alloc_areq+0xe4/0x3a0 crypto/af_alg.c:1202 _skcipher_recvmsg crypto/algif_skcipher.c:118 [inline] skcipher_recvmsg+0x4f0/0x2190 crypto/algif_skcipher.c:221 sock_recvmsg_nosec net/socket.c:1046 [inline] sock_recvmsg net/socket.c:1068 [inline] ____sys_recvmsg+0x283/0x7f0 net/socket.c:2803 ___sys_recvmsg+0x223/0x840 net/socket.c:2845 do_recvmmsg+0x4fc/0xfd0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x397/0x490 net/socket.c:3034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b CPU: 0 PID: 11510 Comm: syz-executor.0 Not tainted 6.8.0-rc4-syzkaller-00180-g4f5e5092fdbf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 =====================================================