RSP: 002b:00007f21dedf20c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f21de19bf80 RCX: 00007f21de07cae9
RDX: 0000000000000000 RSI: 000000002000b680 RDI: 0000000000000005
RBP: 00007f21dedf2120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007f21de19bf80 R15: 00007f21de2bfa48
 </TASK>
=====================================================
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_recvmsg+0x283/0x7f0 net/socket.c:2713
 ___sys_recvmsg+0x223/0x840 net/socket.c:2755
 __sys_recvmsg net/socket.c:2785 [inline]
 __do_sys_recvmsg net/socket.c:2795 [inline]
 __se_sys_recvmsg net/socket.c:2792 [inline]
 __x64_sys_recvmsg+0x304/0x490 net/socket.c:2792
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

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_recvmsg+0x283/0x7f0 net/socket.c:2713
 ___sys_recvmsg+0x223/0x840 net/socket.c:2755
 __sys_recvmsg net/socket.c:2785 [inline]
 __do_sys_recvmsg net/socket.c:2795 [inline]
 __se_sys_recvmsg net/socket.c:2792 [inline]
 __x64_sys_recvmsg+0x304/0x490 net/socket.c:2792
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

CPU: 1 PID: 10745 Comm: syz-executor.5 Not tainted 6.5.0-rc5-syzkaller-00053-g13b937206866 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
=====================================================