Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 113.597347][ T9886] IPVS: ftp: loaded support on port[0] = 21 [ 113.641576][ T9887] BUG: unable to handle page fault for address: ffffed10192d2d07 [ 113.649520][ T9887] #PF: supervisor read access in kernel mode [ 113.655749][ T9887] #PF: error_code(0x0000) - not-present page [ 113.661856][ T9887] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 113.668522][ T9887] Oops: 0000 [#1] PREEMPT SMP KASAN [ 113.673740][ T9887] CPU: 0 PID: 9887 Comm: syz-executor228 Not tainted 5.6.0-rc3-syzkaller #0 [ 113.682509][ T9887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.693222][ T9887] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 113.700788][ T9887] 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 [ 113.720889][ T9887] RSP: 0018:ffffc9000619f248 EFLAGS: 00010a03 [ 113.727117][ T9887] RAX: dffffc0000000000 RBX: ffff8880a969683c RCX: ffffffff867055d4 [ 113.735372][ T9887] RDX: 1ffff110192d2d07 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 113.743815][ T9887] RBP: ffffc9000619f3b0 R08: ffff8880a7be24c0 R09: ffffc9000619f318 [ 113.751806][ T9887] R10: fffff52000c33e68 R11: ffffc9000619f347 R12: 0000000000000010 [ 113.759964][ T9887] R13: ffff8880c969683c R14: ffff8880a969684c R15: ffffc9000619f388 [ 113.768031][ T9887] FS: 0000000002352880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 113.777333][ T9887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.784136][ T9887] CR2: ffffed10192d2d07 CR3: 00000000983a3000 CR4: 00000000001406f0 [ 113.793110][ T9887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.801802][ T9887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.810293][ T9887] Call Trace: [ 113.813718][ T9887] ? __mutex_lock+0x458/0x13c0 [ 113.818714][ T9887] ? lock_downgrade+0x920/0x920 [ 113.823678][ T9887] ? ethnl_bitmap32_clear+0x390/0x390 [ 113.829410][ T9887] ? mutex_trylock+0x2d0/0x2d0 [ 113.835205][ T9887] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 113.841697][ T9887] ? ethnl_default_notify+0x6b0/0x6b0 [ 113.847795][ T9887] ethnl_update_bitset+0x4d/0x67 [ 113.852752][ T9887] ethnl_set_linkmodes+0x461/0xc30 [ 113.857950][ T9887] ? __kasan_check_read+0x11/0x20 [ 113.863094][ T9887] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 113.868906][ T9887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.875247][ T9887] ? kernel_text_address+0xe9/0x110 [ 113.880716][ T9887] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 113.886435][ T9887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.892770][ T9887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.899099][ T9887] ? security_capable+0x95/0xc0 [ 113.903965][ T9887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 113.910236][ T9887] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300 [ 113.916566][ T9887] genl_rcv_msg+0x67d/0xea0 [ 113.921157][ T9887] ? genl_rcv_msg+0x67d/0xea0 [ 113.925836][ T9887] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 113.932729][ T9887] ? __kasan_check_read+0x11/0x20 [ 113.937758][ T9887] ? __lock_acquire+0x8a0/0x4a00 [ 113.944349][ T9887] ? find_held_lock+0x35/0x130 [ 113.950109][ T9887] netlink_rcv_skb+0x177/0x450 [ 113.955623][ T9887] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 113.962587][ T9887] ? netlink_ack+0xb50/0xb50 [ 113.967573][ T9887] ? __kasan_check_write+0x14/0x20 [ 113.972679][ T9887] ? netlink_deliver_tap+0x248/0xbf0 [ 113.978051][ T9887] genl_rcv+0x29/0x40 [ 113.982136][ T9887] netlink_unicast+0x59e/0x7e0 [ 113.986911][ T9887] ? netlink_attachskb+0x870/0x870 [ 113.992025][ T9887] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 113.998132][ T9887] ? __check_object_size+0x3d/0x437 [ 114.003456][ T9887] netlink_sendmsg+0x91c/0xea0 [ 114.008403][ T9887] ? netlink_unicast+0x7e0/0x7e0 [ 114.013572][ T9887] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 114.019128][ T9887] ? apparmor_socket_sendmsg+0x2a/0x30 [ 114.024772][ T9887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 114.031190][ T9887] ? security_socket_sendmsg+0x8d/0xc0 [ 114.036690][ T9887] ? netlink_unicast+0x7e0/0x7e0 [ 114.041651][ T9887] sock_sendmsg+0xd7/0x130 [ 114.046063][ T9887] ____sys_sendmsg+0x753/0x880 [ 114.050813][ T9887] ? kernel_sendmsg+0x50/0x50 [ 114.055634][ T9887] ? debug_object_active_state+0x28a/0x350 [ 114.061530][ T9887] ? find_held_lock+0x35/0x130 [ 114.066300][ T9887] ___sys_sendmsg+0x100/0x170 [ 114.071169][ T9887] ? sendmsg_copy_msghdr+0x70/0x70 [ 114.076283][ T9887] ? lockdep_hardirqs_on+0x421/0x5e0 [ 114.081668][ T9887] ? __kasan_check_read+0x11/0x20 [ 114.086685][ T9887] ? mark_lock+0xc2/0x1220 [ 114.091227][ T9887] ? __kasan_check_read+0x11/0x20 [ 114.096358][ T9887] ? __lock_acquire+0x16f2/0x4a00 [ 114.101764][ T9887] ? debug_object_deactivate+0x320/0x320 [ 114.107440][ T9887] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 114.113893][ T9887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 114.120840][ T9887] ? __fget_light+0x1ad/0x270 [ 114.125522][ T9887] ? __fdget+0x1b/0x20 [ 114.129954][ T9887] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 114.136208][ T9887] __sys_sendmsg+0x105/0x1d0 [ 114.140801][ T9887] ? __sys_sendmsg_sock+0xc0/0xc0 [ 114.145927][ T9887] ? lockdep_hardirqs_on+0x421/0x5e0 [ 114.151234][ T9887] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 114.156725][ T9887] ? do_syscall_64+0x26/0x790 [ 114.161577][ T9887] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.167683][ T9887] ? do_syscall_64+0x26/0x790 [ 114.172419][ T9887] __x64_sys_sendmsg+0x78/0xb0 [ 114.177278][ T9887] do_syscall_64+0xfa/0x790 [ 114.182030][ T9887] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.187908][ T9887] RIP: 0033:0x445b39 [ 114.191792][ T9887] Code: e8 ac cb 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 ab cc fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 114.211654][ T9887] RSP: 002b:00007ffc287e6648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.221186][ T9887] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000445b39 [ 114.229339][ T9887] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 114.237317][ T9887] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000bb1414ac [ 114.246050][ T9887] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 114.254033][ T9887] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 114.262300][ T9887] Modules linked in: [ 114.266398][ T9887] CR2: ffffed10192d2d07 [ 114.270576][ T9887] ---[ end trace e06112bd4ffeefe8 ]--- [ 114.276266][ T9887] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 114.283247][ T9887] 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 [ 114.303014][ T9887] RSP: 0018:ffffc9000619f248 EFLAGS: 00010a03 [ 114.310342][ T9887] RAX: dffffc0000000000 RBX: ffff8880a969683c RCX: ffffffff867055d4 [ 114.318405][ T9887] RDX: 1ffff110192d2d07 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 114.326417][ T9887] RBP: ffffc9000619f3b0 R08: ffff8880a7be24c0 R09: ffffc9000619f318 [ 114.334650][ T9887] R10: fffff52000c33e68 R11: ffffc9000619f347 R12: 0000000000000010 [ 114.342617][ T9887] R13: ffff8880c969683c R14: ffff8880a969684c R15: ffffc9000619f388 [ 114.350674][ T9887] FS: 0000000002352880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 114.359609][ T9887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.366285][ T9887] CR2: ffffed10192d2d07 CR3: 00000000983a3000 CR4: 00000000001406f0 [ 114.374896][ T9887] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 114.382976][ T9887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 114.391196][ T9887] Kernel panic - not syncing: Fatal exception [ 114.398938][ T9887] Kernel Offset: disabled [ 114.403274][ T9887] Rebooting in 86400 seconds..