RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000003 RBP: 00007f0bea5351d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd4f2904ff R14: 00007f0bea535300 R15: 0000000000022000 general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] CPU: 0 PID: 4438 Comm: syz-executor.3 Not tainted 5.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:tipc_aead_key_size include/uapi/linux/tipc.h:254 [inline] RIP: 0010:tipc_crypto_key_xmit net/tipc/crypto.c:2248 [inline] RIP: 0010:tipc_crypto_key_distr+0x218/0xa70 net/tipc/crypto.c:2214 Code: 02 00 0f 85 51 08 00 00 48 8b 45 00 49 8d 4d 20 48 89 ca 48 89 4c 24 10 48 c1 ea 03 48 89 04 24 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3d RSP: 0018:ffffc9000a4473f0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888027fe9400 RCX: 0000000000000020 RDX: 0000000000000004 RSI: ffffffff8894cfe7 RDI: ffff888027fe9440 RBP: ffff888030b84000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000038 FS: 00007f0bea535700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbe9751d718 CR3: 00000000209ef000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __tipc_nl_node_set_key net/tipc/node.c:3018 [inline] tipc_nl_node_set_key+0xa7d/0xf60 net/tipc/node.c:3033 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:674 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433 do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0bea535188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000003 RBP: 00007f0bea5351d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd4f2904ff R14: 00007f0bea535300 R15: 0000000000022000 Modules linked in: ---[ end trace 5dc7aa3eea74cdef ]--- RIP: 0010:tipc_aead_key_size include/uapi/linux/tipc.h:254 [inline] RIP: 0010:tipc_crypto_key_xmit net/tipc/crypto.c:2248 [inline] RIP: 0010:tipc_crypto_key_distr+0x218/0xa70 net/tipc/crypto.c:2214 Code: 02 00 0f 85 51 08 00 00 48 8b 45 00 49 8d 4d 20 48 89 ca 48 89 4c 24 10 48 c1 ea 03 48 89 04 24 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3d RSP: 0018:ffffc9000a4473f0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff888027fe9400 RCX: 0000000000000020 RDX: 0000000000000004 RSI: ffffffff8894cfe7 RDI: ffff888027fe9440 RBP: ffff888030b84000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000038 FS: 00007f0bea535700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d823000 CR3: 00000000209ef000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400