Warning: Permanently added '10.128.1.37' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 84.617498][ T9368] kasan: CONFIG_KASAN_INLINE enabled [ 84.622898][ T9368] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 84.631051][ T9368] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 84.638036][ T9368] CPU: 0 PID: 9368 Comm: syz-executor879 Not tainted 5.5.0-rc4-syzkaller #0 [ 84.646738][ T9368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.656793][ T9368] RIP: 0010:hash_ip4_uadt+0x1f5/0x7a0 [ 84.662146][ T9368] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 10 05 00 00 48 89 da 45 8b 7f 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ec [ 84.681737][ T9368] RSP: 0018:ffffc90001d67190 EFLAGS: 00010246 [ 84.687785][ T9368] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 84.696285][ T9368] RDX: 0000000000000000 RSI: ffffffff86793b82 RDI: ffff8880a055f030 [ 84.704282][ T9368] RBP: ffffc90001d672b8 R08: 0000000000000000 R09: 0000000000000000 [ 84.712423][ T9368] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffff8880a65ffe00 [ 84.720393][ T9368] R13: ffffc90001d67320 R14: 0000000000000002 R15: 0000000009000000 [ 84.728385][ T9368] FS: 00000000016f3880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.737326][ T9368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.743889][ T9368] CR2: 0000000020000f92 CR3: 0000000096535000 CR4: 00000000001406f0 [ 84.751966][ T9368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.759927][ T9368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.768083][ T9368] Call Trace: [ 84.771399][ T9368] ? hash_ip6_test+0x670/0x670 [ 84.776246][ T9368] ? hash_ip6_uadt+0x670/0x670 [ 84.781060][ T9368] ? nla_memcpy+0xb0/0xb0 [ 84.785504][ T9368] ? ip_set_utest+0x4aa/0x890 [ 84.790165][ T9368] ? __kasan_check_read+0x11/0x20 [ 84.795283][ T9368] ip_set_utest+0x55b/0x890 [ 84.799775][ T9368] ? ip_set_put_byindex+0x490/0x490 [ 84.804977][ T9368] ? __mutex_lock+0x458/0x13c0 [ 84.809732][ T9368] ? ip_set_put_byindex+0x490/0x490 [ 84.814955][ T9368] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 84.819889][ T9368] ? nfnetlink_bind+0x2c0/0x2c0 [ 84.824730][ T9368] ? __kasan_check_read+0x11/0x20 [ 84.829748][ T9368] ? __lock_acquire+0x8a0/0x4a00 [ 84.834675][ T9368] ? save_stack+0x5c/0x90 [ 84.838987][ T9368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.845403][ T9368] ? apparmor_capable+0x497/0x900 [ 84.850524][ T9368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.856764][ T9368] ? __kasan_check_read+0x11/0x20 [ 84.861807][ T9368] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 84.867492][ T9368] netlink_rcv_skb+0x177/0x450 [ 84.872257][ T9368] ? nfnetlink_bind+0x2c0/0x2c0 [ 84.877108][ T9368] ? netlink_ack+0xb50/0xb50 [ 84.881700][ T9368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.887922][ T9368] ? ns_capable_common+0x93/0x100 [ 84.892925][ T9368] ? ns_capable+0x20/0x30 [ 84.897237][ T9368] ? __netlink_ns_capable+0x104/0x140 [ 84.902587][ T9368] nfnetlink_rcv+0x1ba/0x460 [ 84.907349][ T9368] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 84.912792][ T9368] ? netlink_deliver_tap+0x24a/0xbe0 [ 84.918072][ T9368] ? __kasan_check_write+0x14/0x20 [ 84.923168][ T9368] netlink_unicast+0x58c/0x7d0 [ 84.928003][ T9368] ? netlink_attachskb+0x870/0x870 [ 84.933355][ T9368] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 84.939072][ T9368] ? __check_object_size+0x3d/0x437 [ 84.944260][ T9368] netlink_sendmsg+0x91c/0xea0 [ 84.949022][ T9368] ? netlink_unicast+0x7d0/0x7d0 [ 84.954082][ T9368] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 84.959625][ T9368] ? apparmor_socket_sendmsg+0x2a/0x30 [ 84.965348][ T9368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.971668][ T9368] ? security_socket_sendmsg+0x8d/0xc0 [ 84.977125][ T9368] ? netlink_unicast+0x7d0/0x7d0 [ 84.982045][ T9368] sock_sendmsg+0xd7/0x130 [ 84.986895][ T9368] ____sys_sendmsg+0x753/0x880 [ 84.991641][ T9368] ? kernel_sendmsg+0x50/0x50 [ 84.996485][ T9368] ? lockdep_init_map+0x1be/0x6d0 [ 85.001492][ T9368] ___sys_sendmsg+0x100/0x170 [ 85.006147][ T9368] ? sendmsg_copy_msghdr+0x70/0x70 [ 85.011242][ T9368] ? __kasan_check_read+0x11/0x20 [ 85.016262][ T9368] ? __lock_acquire+0x8a0/0x4a00 [ 85.021183][ T9368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.027425][ T9368] ? __this_cpu_preempt_check+0x35/0x190 [ 85.033048][ T9368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.039270][ T9368] ? percpu_counter_add_batch+0x13c/0x190 [ 85.044969][ T9368] ? __fd_install+0x1bc/0x640 [ 85.049630][ T9368] ? find_held_lock+0x35/0x130 [ 85.054403][ T9368] ? __fd_install+0x1bc/0x640 [ 85.059188][ T9368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.065428][ T9368] ? __fget_light+0x1a9/0x230 [ 85.070085][ T9368] ? __fdget+0x1b/0x20 [ 85.074160][ T9368] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.080391][ T9368] __sys_sendmsg+0x105/0x1d0 [ 85.084975][ T9368] ? __sys_sendmsg_sock+0xc0/0xc0 [ 85.090087][ T9368] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.095531][ T9368] ? do_syscall_64+0x26/0x790 [ 85.103087][ T9368] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.109148][ T9368] ? do_syscall_64+0x26/0x790 [ 85.113822][ T9368] __x64_sys_sendmsg+0x78/0xb0 [ 85.118617][ T9368] do_syscall_64+0xfa/0x790 [ 85.123120][ T9368] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.129023][ T9368] RIP: 0033:0x440509 [ 85.132932][ T9368] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.154695][ T9368] RSP: 002b:00007ffc4cfc6528 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.163534][ T9368] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440509 [ 85.171557][ T9368] RDX: 0000000000000000 RSI: 0000000020001a00 RDI: 0000000000000004 [ 85.179523][ T9368] RBP: 00000000006ca018 R08: 000000000000000c R09: 00000000004002c8 [ 85.187664][ T9368] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000401d90 [ 85.195775][ T9368] R13: 0000000000401e20 R14: 0000000000000000 R15: 0000000000000000 [ 85.203990][ T9368] Modules linked in: [ 85.207983][ T9368] ---[ end trace 958c783743984194 ]--- [ 85.214102][ T9368] RIP: 0010:hash_ip4_uadt+0x1f5/0x7a0 [ 85.219492][ T9368] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 10 05 00 00 48 89 da 45 8b 7f 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ec [ 85.239956][ T9368] RSP: 0018:ffffc90001d67190 EFLAGS: 00010246 [ 85.246453][ T9368] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 85.255085][ T9368] RDX: 0000000000000000 RSI: ffffffff86793b82 RDI: ffff8880a055f030 [ 85.263681][ T9368] RBP: ffffc90001d672b8 R08: 0000000000000000 R09: 0000000000000000 [ 85.271848][ T9368] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffff8880a65ffe00 [ 85.280743][ T9368] R13: ffffc90001d67320 R14: 0000000000000002 R15: 0000000009000000 [ 85.288868][ T9368] FS: 00000000016f3880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.297902][ T9368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.304521][ T9368] CR2: 0000000020000f92 CR3: 0000000096535000 CR4: 00000000001406f0 [ 85.312738][ T9368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.320733][ T9368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.329139][ T9368] Kernel panic - not syncing: Fatal exception in interrupt [ 85.338207][ T9368] Kernel Offset: disabled [ 85.342533][ T9368] Rebooting in 86400 seconds..