===================================================== BUG: KMSAN: uninit-value in af_alg_free_sg crypto/af_alg.c:545 [inline] BUG: KMSAN: uninit-value in af_alg_free_areq_sgls crypto/af_alg.c:778 [inline] BUG: KMSAN: uninit-value in af_alg_free_resources+0x3d1/0xf60 crypto/af_alg.c:1117 af_alg_free_sg crypto/af_alg.c:545 [inline] af_alg_free_areq_sgls crypto/af_alg.c:778 [inline] af_alg_free_resources+0x3d1/0xf60 crypto/af_alg.c:1117 _skcipher_recvmsg crypto/algif_skcipher.c:144 [inline] skcipher_recvmsg+0x6a0/0x1a20 crypto/algif_skcipher.c:157 sock_recvmsg_nosec net/socket.c:1020 [inline] sock_recvmsg net/socket.c:1041 [inline] __sys_recvfrom+0x505/0x810 net/socket.c:2186 __compat_sys_recvfrom net/compat.c:389 [inline] __do_compat_sys_recvfrom net/compat.c:402 [inline] __se_compat_sys_recvfrom net/compat.c:398 [inline] __ia32_compat_sys_recvfrom+0x12e/0x1e0 net/compat.c:398 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Uninit was created at: slab_post_alloc_hook+0x12f/0xb70 mm/slab.h:767 slab_alloc_node mm/slub.c:3470 [inline] __kmem_cache_alloc_node+0x536/0x8d0 mm/slub.c:3509 __do_kmalloc_node mm/slab_common.c:984 [inline] __kmalloc+0x121/0x3c0 mm/slab_common.c:998 kmalloc include/linux/slab.h:586 [inline] sock_kmalloc+0x128/0x1c0 net/core/sock.c:2694 af_alg_alloc_areq+0x41/0x2a0 crypto/af_alg.c:1188 _skcipher_recvmsg crypto/algif_skcipher.c:71 [inline] skcipher_recvmsg+0x514/0x1a20 crypto/algif_skcipher.c:157 sock_recvmsg_nosec net/socket.c:1020 [inline] sock_recvmsg net/socket.c:1041 [inline] __sys_recvfrom+0x505/0x810 net/socket.c:2186 __compat_sys_recvfrom net/compat.c:389 [inline] __do_compat_sys_recvfrom net/compat.c:402 [inline] __se_compat_sys_recvfrom net/compat.c:398 [inline] __ia32_compat_sys_recvfrom+0x12e/0x1e0 net/compat.c:398 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 CPU: 1 PID: 7478 Comm: syz-executor.2 Not tainted 6.5.0-rc6-syzkaller-00253-g9e6c269de404 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 =====================================================