Warning: Permanently added '10.128.0.227' (ECDSA) to the list of known hosts. executing program [ 35.012744] netlink: 'syz-executor885': attribute type 18 has an invalid length. [ 35.020403] netlink: 'syz-executor885': attribute type 15 has an invalid length. [ 35.093045] kasan: CONFIG_KASAN_INLINE enabled [ 35.097915] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.105265] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 35.111536] CPU: 0 PID: 8100 Comm: syz-executor885 Not tainted 4.19.207-syzkaller #0 [ 35.119403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.128745] RIP: 0010:vxlan_fdb_destroy+0xbe/0x1f0 [ 35.133654] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 11 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 09 01 00 00 48 85 ed 49 89 2c 24 74 28 e8 7a 0e [ 35.152544] RSP: 0018:ffff8880b346ed90 EFLAGS: 00010a02 [ 35.157888] RAX: dffffc0000000000 RBX: ffff8880aaeca780 RCX: ffffffff844f858e [ 35.165138] RDX: 1bd5a00000000040 RSI: ffffffff844f859c RDI: ffff8880aaeca788 [ 35.172389] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.179639] R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000200 [ 35.186892] R13: 0000000000000000 R14: ffff8880b346eeb0 R15: ffff8880b0c10b40 [ 35.194142] FS: 00007f0f5de86700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 35.202435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.208298] CR2: 00005604f6ec18b8 CR3: 00000000abb09000 CR4: 00000000001406f0 [ 35.215682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.222936] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.230271] Call Trace: [ 35.232904] __vxlan_dev_create+0x477/0x820 [ 35.237220] ? vxlan_fdb_add+0x340/0x340 [ 35.241362] ? vxlan_setup+0x400/0x400 [ 35.245279] ? __kmalloc_node+0x38/0x70 [ 35.249249] vxlan_newlink+0xc0/0x120 [ 35.253077] ? __vxlan_dev_create+0x820/0x820 [ 35.257553] ? memset+0x20/0x40 [ 35.260859] ? rtnl_create_link+0x145/0xa40 [ 35.265196] ? __vxlan_dev_create+0x820/0x820 [ 35.269689] rtnl_newlink+0x1030/0x15c0 [ 35.273646] ? rtnl_getlink+0x620/0x620 [ 35.277608] ? __lock_acquire+0x6de/0x3ff0 [ 35.281831] ? __lock_acquire+0x6de/0x3ff0 [ 35.286073] ? __lock_acquire+0x6de/0x3ff0 [ 35.290288] ? mark_held_locks+0xf0/0xf0 [ 35.294330] ? get_reg+0x1f0/0x1f0 [ 35.297857] ? mutex_trylock+0x1a0/0x1a0 [ 35.301902] ? rtnetlink_rcv_msg+0x3c3/0xb80 [ 35.306293] ? rtnl_getlink+0x620/0x620 [ 35.310251] rtnetlink_rcv_msg+0x453/0xb80 [ 35.314468] ? rtnl_calcit.isra.0+0x430/0x430 [ 35.318941] ? __netlink_lookup+0x3fc/0x730 [ 35.323245] ? lock_downgrade+0x720/0x720 [ 35.327372] ? check_preemption_disabled+0x41/0x280 [ 35.332390] netlink_rcv_skb+0x160/0x440 [ 35.336438] ? rtnl_calcit.isra.0+0x430/0x430 [ 35.340941] ? netlink_ack+0xae0/0xae0 [ 35.344820] netlink_unicast+0x4d5/0x690 [ 35.348866] ? netlink_sendskb+0x110/0x110 [ 35.353092] ? _copy_from_iter_full+0x229/0x7c0 [ 35.357749] ? __phys_addr_symbol+0x2c/0x70 [ 35.362326] ? __check_object_size+0x17b/0x3e0 [ 35.366894] netlink_sendmsg+0x6bb/0xc40 [ 35.370938] ? aa_af_perm+0x230/0x230 [ 35.374722] ? nlmsg_notify+0x1f0/0x1f0 [ 35.378678] ? nlmsg_notify+0x1f0/0x1f0 [ 35.382657] sock_sendmsg+0xc3/0x120 [ 35.386354] sock_no_sendpage+0xf5/0x140 [ 35.390395] ? __sk_mem_schedule+0xd0/0xd0 [ 35.394615] ? lock_acquire+0x170/0x3c0 [ 35.398568] ? pipe_lock+0x63/0x80 [ 35.402090] ? __sk_mem_schedule+0xd0/0xd0 [ 35.406308] sock_sendpage+0xdf/0x140 [ 35.410097] pipe_to_sendpage+0x268/0x330 [ 35.414225] ? sockfs_setattr+0x160/0x160 [ 35.418355] ? direct_splice_actor+0x160/0x160 [ 35.422916] ? splice_from_pipe_next.part.0+0x2ad/0x360 [ 35.428268] __splice_from_pipe+0x389/0x800 [ 35.432573] ? direct_splice_actor+0x160/0x160 [ 35.437136] generic_splice_sendpage+0xd4/0x140 [ 35.441786] ? __splice_from_pipe+0x800/0x800 [ 35.446267] ? security_file_permission+0x1c0/0x220 [ 35.451285] ? __splice_from_pipe+0x800/0x800 [ 35.455761] __se_sys_splice+0xfe7/0x16d0 [ 35.459895] ? lock_acquire+0x170/0x3c0 [ 35.463854] ? ret_from_fork+0x8/0x30 [ 35.468589] ? __se_sys_tee+0xb90/0xb90 [ 35.472546] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.477542] ? do_syscall_64+0x21/0x620 [ 35.481581] do_syscall_64+0xf9/0x620 [ 35.485371] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.490543] RIP: 0033:0x7f0f5df15fe9 [ 35.494237] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 14 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 35.513133] RSP: 002b:00007f0f5de862f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 35.520820] RAX: ffffffffffffffda RBX: 00007f0f5df9e448 RCX: 00007f0f5df15fe9 [ 35.528169] RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000006 [ 35.535418] RBP: 00007f0f5df9e440 R08: 000000000004fff1 R09: 0000000000000000 [ 35.542751] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0f5df9e44c [ 35.549996] R13: 00007f0f5df6c004 R14: 0000006e616c7876 R15: 0000000000022000 [ 35.557259] Modules linked in: [ 35.563658] ---[ end trace ff782e8b9252244f ]--- [ 35.568530] RIP: 0010:vxlan_fdb_destroy+0xbe/0x1f0 [ 35.573457] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 11 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 09 01 00 00 48 85 ed 49 89 2c 24 74 28 e8 7a 0e [ 35.592669] RSP: 0018:ffff8880b346ed90 EFLAGS: 00010a02 [ 35.598283] RAX: dffffc0000000000 RBX: ffff8880aaeca780 RCX: ffffffff844f858e [ 35.605741] RDX: 1bd5a00000000040 RSI: ffffffff844f859c RDI: ffff8880aaeca788 [ 35.613007] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.620577] R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000200 [ 35.628059] R13: 0000000000000000 R14: ffff8880b346eeb0 R15: ffff8880b0c10b40 [ 35.635379] FS: 00007f0f5de86700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 35.643598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.649514] CR2: 00007fb464039088 CR3: 00000000abb09000 CR4: 00000000001406f0 [ 35.656823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.664084] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.671385] Kernel panic - not syncing: Fatal exception [ 35.677012] Kernel Offset: disabled [ 35.680625] Rebooting in 86400 seconds..