Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 92.858871][ T9736] IPVS: ftp: loaded support on port[0] = 21 [ 92.896245][ T9737] BUG: unable to handle page fault for address: ffffed1018dac207 [ 92.903982][ T9737] #PF: supervisor read access in kernel mode [ 92.909940][ T9737] #PF: error_code(0x0000) - not-present page [ 92.915919][ T9737] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 92.922405][ T9737] Oops: 0000 [#1] PREEMPT SMP KASAN [ 92.927585][ T9737] CPU: 0 PID: 9737 Comm: syz-executor376 Not tainted 5.6.0-rc3-syzkaller #0 [ 92.936229][ T9737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.946293][ T9737] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 92.953133][ T9737] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c [ 92.972743][ T9737] RSP: 0018:ffffc900062ff248 EFLAGS: 00010a02 [ 92.978793][ T9737] RAX: dffffc0000000000 RBX: ffff8880a6d61038 RCX: ffffffff867065d4 [ 92.986758][ T9737] RDX: 1ffff11018dac207 RSI: ffffffff867065e2 RDI: 0000000000000005 [ 92.994759][ T9737] RBP: ffffc900062ff3b0 R08: ffff8880938ce540 R09: ffffc900062ff318 [ 93.002716][ T9737] R10: fffff52000c5fe68 R11: ffffc900062ff347 R12: 0000000000000010 [ 93.010787][ T9737] R13: ffff8880c6d61038 R14: ffff8880a6d61048 R15: ffffc900062ff388 [ 93.018767][ T9737] FS: 00007f7f84418700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 93.027687][ T9737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.034257][ T9737] CR2: ffffed1018dac207 CR3: 0000000097502000 CR4: 00000000001406f0 [ 93.042265][ T9737] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.050220][ T9737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.058177][ T9737] Call Trace: [ 93.061461][ T9737] ? __mutex_lock+0x458/0x13c0 [ 93.066217][ T9737] ? lock_downgrade+0x920/0x920 [ 93.071056][ T9737] ? ethnl_bitmap32_clear+0x390/0x390 [ 93.076413][ T9737] ? mutex_trylock+0x2d0/0x2d0 [ 93.081181][ T9737] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 93.087415][ T9737] ? ethnl_default_notify+0x6b0/0x6b0 [ 93.092802][ T9737] ethnl_update_bitset+0x4d/0x67 [ 93.097728][ T9737] ethnl_set_linkmodes+0x461/0xc30 [ 93.102820][ T9737] ? __kasan_check_read+0x11/0x20 [ 93.107831][ T9737] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 93.113401][ T9737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.119662][ T9737] ? kernel_text_address+0xe9/0x110 [ 93.124863][ T9737] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 93.130309][ T9737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.136532][ T9737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.142780][ T9737] ? security_capable+0x95/0xc0 [ 93.147616][ T9737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.153855][ T9737] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300 [ 93.160172][ T9737] genl_rcv_msg+0x67d/0xea0 [ 93.164677][ T9737] ? genl_rcv_msg+0x67d/0xea0 [ 93.169345][ T9737] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 93.175651][ T9737] ? __kasan_check_read+0x11/0x20 [ 93.180653][ T9737] ? __lock_acquire+0x8a0/0x4a00 [ 93.185571][ T9737] ? find_held_lock+0x35/0x130 [ 93.190314][ T9737] netlink_rcv_skb+0x177/0x450 [ 93.195056][ T9737] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 93.201364][ T9737] ? netlink_ack+0xb50/0xb50 [ 93.205957][ T9737] ? __kasan_check_write+0x14/0x20 [ 93.211096][ T9737] ? netlink_deliver_tap+0x248/0xbf0 [ 93.216384][ T9737] genl_rcv+0x29/0x40 [ 93.220359][ T9737] netlink_unicast+0x59e/0x7e0 [ 93.225129][ T9737] ? netlink_attachskb+0x870/0x870 [ 93.230228][ T9737] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 93.235931][ T9737] ? __check_object_size+0x3d/0x437 [ 93.241144][ T9737] netlink_sendmsg+0x91c/0xea0 [ 93.245919][ T9737] ? netlink_unicast+0x7e0/0x7e0 [ 93.250838][ T9737] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 93.256377][ T9737] ? apparmor_socket_sendmsg+0x2a/0x30 [ 93.261817][ T9737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.268045][ T9737] ? security_socket_sendmsg+0x8d/0xc0 [ 93.273485][ T9737] ? netlink_unicast+0x7e0/0x7e0 [ 93.278446][ T9737] sock_sendmsg+0xd7/0x130 [ 93.282854][ T9737] ____sys_sendmsg+0x753/0x880 [ 93.287602][ T9737] ? kernel_sendmsg+0x50/0x50 [ 93.292270][ T9737] ? __fget_files+0x337/0x520 [ 93.296927][ T9737] ? find_held_lock+0x35/0x130 [ 93.301675][ T9737] ___sys_sendmsg+0x100/0x170 [ 93.306331][ T9737] ? sendmsg_copy_msghdr+0x70/0x70 [ 93.311451][ T9737] ? __kasan_check_read+0x11/0x20 [ 93.316497][ T9737] ? __fget_files+0x359/0x520 [ 93.321176][ T9737] ? ksys_dup3+0x3e0/0x3e0 [ 93.325579][ T9737] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 93.331786][ T9737] ? __fget_light+0x1ad/0x270 [ 93.336456][ T9737] ? __fdget+0x1b/0x20 [ 93.340513][ T9737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 93.346749][ T9737] __sys_sendmsg+0x105/0x1d0 [ 93.351320][ T9737] ? __sys_sendmsg_sock+0xc0/0xc0 [ 93.356326][ T9737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 93.361766][ T9737] ? do_syscall_64+0x26/0x790 [ 93.366438][ T9737] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.372486][ T9737] ? do_syscall_64+0x26/0x790 [ 93.377145][ T9737] __x64_sys_sendmsg+0x78/0xb0 [ 93.381893][ T9737] do_syscall_64+0xfa/0x790 [ 93.386377][ T9737] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.392261][ T9737] RIP: 0033:0x44a8e9 [ 93.396133][ T9737] Code: e8 6c d8 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 bb d0 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.415718][ T9737] RSP: 002b:00007f7f84417da8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 93.424115][ T9737] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 000000000044a8e9 [ 93.432081][ T9737] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 93.440048][ T9737] RBP: 00000000006dcc40 R08: 0000000000000008 R09: 0000000000000000 [ 93.447997][ T9737] R10: 0000000000000014 R11: 0000000000000246 R12: 00000000006dcc4c [ 93.455945][ T9737] R13: 0000000000000000 R14: 006e75745f7a7973 R15: 0000000000000000 [ 93.463902][ T9737] Modules linked in: [ 93.467779][ T9737] CR2: ffffed1018dac207 [ 93.471924][ T9737] ---[ end trace 27981c730055f086 ]--- [ 93.477410][ T9737] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 93.484218][ T9737] Code: 45 85 e4 0f 84 aa 03 00 00 e8 6e 31 05 fb 48 8b 85 c8 fe ff ff 4e 8d 2c a8 48 b8 00 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 0c 84 d2 74 08 4c [ 93.503814][ T9737] RSP: 0018:ffffc900062ff248 EFLAGS: 00010a02 [ 93.509865][ T9737] RAX: dffffc0000000000 RBX: ffff8880a6d61038 RCX: ffffffff867065d4 [ 93.517826][ T9737] RDX: 1ffff11018dac207 RSI: ffffffff867065e2 RDI: 0000000000000005 [ 93.525788][ T9737] RBP: ffffc900062ff3b0 R08: ffff8880938ce540 R09: ffffc900062ff318 [ 93.533779][ T9737] R10: fffff52000c5fe68 R11: ffffc900062ff347 R12: 0000000000000010 [ 93.541773][ T9737] R13: ffff8880c6d61038 R14: ffff8880a6d61048 R15: ffffc900062ff388 [ 93.549743][ T9737] FS: 00007f7f84418700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 93.558649][ T9737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.565226][ T9737] CR2: ffffed1018dac207 CR3: 0000000097502000 CR4: 00000000001406f0 [ 93.573242][ T9737] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.581267][ T9737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.589226][ T9737] Kernel panic - not syncing: Fatal exception [ 93.596529][ T9737] Kernel Offset: disabled [ 93.600856][ T9737] Rebooting in 86400 seconds..