Warning: Permanently added '10.128.10.45' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 55.634385][ T6881] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 55.646099][ T6881] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 55.654517][ T6881] CPU: 0 PID: 6881 Comm: syz-executor775 Not tainted 5.9.0-rc1-syzkaller #0 [ 55.663232][ T6881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.673371][ T6881] RIP: 0010:xsk_diag_dump+0xe27/0x15a0 [ 55.678811][ T6881] Code: 04 28 84 c0 74 08 3c 03 0f 8e bb 06 00 00 41 8b 44 24 10 89 84 24 fc 00 00 00 48 8b 44 24 40 48 8d 78 08 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 91 05 00 00 48 8b 44 24 40 48 8b 40 08 48 85 c0 [ 55.699463][ T6881] RSP: 0018:ffffc90000f4f400 EFLAGS: 00010202 [ 55.705500][ T6881] RAX: 0000000000000001 RBX: ffff888094348000 RCX: 0000000000000000 [ 55.713446][ T6881] RDX: ffff88809023c4c0 RSI: ffffffff87f057f2 RDI: 0000000000000008 [ 55.721508][ T6881] RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff888094348033 [ 55.729973][ T6881] R10: 0000000000000000 R11: 0000000000097f68 R12: ffff88809598f280 [ 55.738097][ T6881] R13: ffff88809989b018 R14: ffff8880a60c5000 R15: 0000000000000000 [ 55.746043][ T6881] FS: 0000000001e13880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 55.754939][ T6881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.761505][ T6881] CR2: 0000000020000080 CR3: 000000009dec8000 CR4: 00000000001506f0 [ 55.769462][ T6881] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.777403][ T6881] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.785344][ T6881] Call Trace: [ 55.788613][ T6881] ? xsk_diag_handler_dump+0x240/0x240 [ 55.794043][ T6881] ? lock_is_held_type+0xbb/0xf0 [ 55.799073][ T6881] ? __kmalloc_node_track_caller+0x38/0x60 [ 55.804852][ T6881] ? kasan_unpoison_shadow+0x33/0x40 [ 55.810109][ T6881] ? __phys_addr+0x9a/0x110 [ 55.814582][ T6881] ? memset+0x20/0x40 [ 55.818540][ T6881] netlink_dump+0x4cd/0xf60 [ 55.823015][ T6881] ? netlink_insert+0x1670/0x1670 [ 55.828025][ T6881] ? __mutex_unlock_slowpath+0xe2/0x610 [ 55.833598][ T6881] ? __rhashtable_lookup.constprop.0+0x5d0/0x5d0 [ 55.839901][ T6881] ? __mutex_lock+0x626/0x10e0 [ 55.844648][ T6881] __netlink_dump_start+0x643/0x900 [ 55.849833][ T6881] xsk_diag_handler_dump+0x1a3/0x240 [ 55.855095][ T6881] ? xp_put_pool+0x1e0/0x1e0 [ 55.859783][ T6881] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 55.865736][ T6881] ? xsk_diag_handler_dump+0x240/0x240 [ 55.872124][ T6881] sock_diag_rcv_msg+0x2fe/0x3e0 [ 55.877074][ T6881] netlink_rcv_skb+0x15a/0x430 [ 55.881814][ T6881] ? sock_diag_bind+0x80/0x80 [ 55.886462][ T6881] ? netlink_ack+0xa10/0xa10 [ 55.891022][ T6881] ? lock_is_held_type+0xbb/0xf0 [ 55.895949][ T6881] sock_diag_rcv+0x26/0x40 [ 55.900345][ T6881] netlink_unicast+0x533/0x7d0 [ 55.905092][ T6881] ? netlink_attachskb+0x810/0x810 [ 55.910171][ T6881] ? _copy_from_iter_full+0x247/0x890 [ 55.915511][ T6881] ? __phys_addr+0x9a/0x110 [ 55.919997][ T6881] ? __phys_addr_symbol+0x2c/0x70 [ 55.925009][ T6881] ? __check_object_size+0x171/0x3e4 [ 55.930265][ T6881] netlink_sendmsg+0x856/0xd90 [ 55.935011][ T6881] ? netlink_unicast+0x7d0/0x7d0 [ 55.939921][ T6881] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 55.945176][ T6881] ? netlink_unicast+0x7d0/0x7d0 [ 55.950082][ T6881] sock_sendmsg+0xcf/0x120 [ 55.954468][ T6881] ____sys_sendmsg+0x6e8/0x810 [ 55.959199][ T6881] ? kernel_sendmsg+0x50/0x50 [ 55.963845][ T6881] ? do_recvmmsg+0x6d0/0x6d0 [ 55.968427][ T6881] ? lock_downgrade+0x830/0x830 [ 55.973248][ T6881] ? vmap+0x1ac/0x240 [ 55.977199][ T6881] ? trace_kmalloc+0xfd/0x130 [ 55.981845][ T6881] ? vunmap+0x60/0x60 [ 55.985795][ T6881] ___sys_sendmsg+0xf3/0x170 [ 55.990358][ T6881] ? sendmsg_copy_msghdr+0x160/0x160 [ 55.995614][ T6881] ? xsk_setsockopt+0x128/0x9e0 [ 56.000444][ T6881] ? aa_sk_perm+0x316/0xaa0 [ 56.004917][ T6881] ? xsk_tx_peek_desc+0xc40/0xc40 [ 56.009908][ T6881] ? aa_af_perm+0x230/0x230 [ 56.014384][ T6881] ? lock_is_held_type+0xbb/0xf0 [ 56.019291][ T6881] ? __fget_light+0x215/0x280 [ 56.023949][ T6881] __sys_sendmsg+0xe5/0x1b0 [ 56.028422][ T6881] ? __sys_sendmsg_sock+0xb0/0xb0 [ 56.033420][ T6881] ? trace_hardirqs_on+0x5f/0x220 [ 56.038425][ T6881] ? lockdep_hardirqs_on+0x76/0xf0 [ 56.043509][ T6881] do_syscall_64+0x2d/0x70 [ 56.047898][ T6881] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 56.053758][ T6881] RIP: 0033:0x440369 [ 56.057625][ T6881] 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 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.077208][ T6881] RSP: 002b:00007ffe05e8e768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 56.085587][ T6881] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440369 [ 56.093539][ T6881] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 56.101481][ T6881] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 56.109423][ T6881] R10: 0000000000000048 R11: 0000000000000246 R12: 0000000000401b70 [ 56.117365][ T6881] R13: 0000000000401c00 R14: 0000000000000000 R15: 0000000000000000 [ 56.125308][ T6881] Modules linked in: [ 56.142181][ T6881] ---[ end trace 7c46987c287e91b6 ]--- [ 56.147736][ T6881] RIP: 0010:xsk_diag_dump+0xe27/0x15a0 [ 56.153220][ T6881] Code: 04 28 84 c0 74 08 3c 03 0f 8e bb 06 00 00 41 8b 44 24 10 89 84 24 fc 00 00 00 48 8b 44 24 40 48 8d 78 08 48 89 f8 48 c1 e8 03 <80> 3c 28 00 0f 85 91 05 00 00 48 8b 44 24 40 48 8b 40 08 48 85 c0 [ 56.173116][ T6881] RSP: 0018:ffffc90000f4f400 EFLAGS: 00010202 [ 56.179170][ T6881] RAX: 0000000000000001 RBX: ffff888094348000 RCX: 0000000000000000 [ 56.187162][ T6881] RDX: ffff88809023c4c0 RSI: ffffffff87f057f2 RDI: 0000000000000008 [ 56.195165][ T6881] RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff888094348033 [ 56.203153][ T6881] R10: 0000000000000000 R11: 0000000000097f68 R12: ffff88809598f280 [ 56.211111][ T6881] R13: ffff88809989b018 R14: ffff8880a60c5000 R15: 0000000000000000 [ 56.219118][ T6881] FS: 0000000001e13880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 56.228091][ T6881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.234725][ T6881] CR2: 00007f2f4414a000 CR3: 000000009dec8000 CR4: 00000000001506f0 [ 56.242736][ T6881] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.250694][ T6881] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.258686][ T6881] Kernel panic - not syncing: Fatal exception [ 56.265738][ T6881] Kernel Offset: disabled [ 56.270068][ T6881] Rebooting in 86400 seconds..