Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 83.359789][ T9626] IPVS: ftp: loaded support on port[0] = 21 [ 83.397457][ T9626] BUG: unable to handle page fault for address: ffffed10192af087 [ 83.405566][ T9626] #PF: supervisor read access in kernel mode [ 83.411548][ T9626] #PF: error_code(0x0000) - not-present page [ 83.417522][ T9626] PGD 21ffef067 P4D 21ffef067 PUD 12fff6067 PMD 0 [ 83.424004][ T9626] Oops: 0000 [#1] PREEMPT SMP KASAN [ 83.429191][ T9626] CPU: 0 PID: 9626 Comm: syz-executor696 Not tainted 5.6.0-rc2-syzkaller #0 [ 83.437830][ T9626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.447867][ T9626] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 83.454627][ T9626] 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 [ 83.474221][ T9626] RSP: 0018:ffffc9000672f248 EFLAGS: 00010a07 [ 83.480263][ T9626] RAX: dffffc0000000000 RBX: ffff8880a957843c RCX: ffffffff867055d4 [ 83.488254][ T9626] RDX: 1ffff110192af087 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 83.496223][ T9626] RBP: ffffc9000672f3b0 R08: ffff888099244600 R09: ffffc9000672f318 [ 83.504169][ T9626] R10: fffff52000ce5e68 R11: ffffc9000672f347 R12: 0000000000000010 [ 83.512116][ T9626] R13: ffff8880c957843c R14: ffff8880a957844c R15: ffffc9000672f388 [ 83.520079][ T9626] FS: 000000000252c940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 83.528997][ T9626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.535561][ T9626] CR2: ffffed10192af087 CR3: 00000000a8aac000 CR4: 00000000001406f0 [ 83.543534][ T9626] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.551510][ T9626] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.559460][ T9626] Call Trace: [ 83.562770][ T9626] ? __mutex_lock+0x458/0x13c0 [ 83.567534][ T9626] ? lock_downgrade+0x920/0x920 [ 83.572365][ T9626] ? ethnl_bitmap32_clear+0x390/0x390 [ 83.577710][ T9626] ? mutex_trylock+0x2d0/0x2d0 [ 83.582472][ T9626] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 83.588703][ T9626] ? ethnl_default_notify+0x6b0/0x6b0 [ 83.594051][ T9626] ethnl_update_bitset+0x4d/0x67 [ 83.598963][ T9626] ethnl_set_linkmodes+0x461/0xc30 [ 83.604048][ T9626] ? __kasan_check_read+0x11/0x20 [ 83.609050][ T9626] ? linkmodes_prepare_data+0x2a0/0x2a0 [ 83.614586][ T9626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.620816][ T9626] ? kernel_text_address+0xe9/0x110 [ 83.625992][ T9626] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 83.631430][ T9626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.637647][ T9626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.643862][ T9626] ? security_capable+0x95/0xc0 [ 83.648719][ T9626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.654933][ T9626] ? genl_family_rcv_msg_attrs_parse+0x1c6/0x300 [ 83.661237][ T9626] genl_rcv_msg+0x67d/0xea0 [ 83.665717][ T9626] ? genl_rcv_msg+0x67d/0xea0 [ 83.670390][ T9626] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 83.676691][ T9626] ? __kasan_check_read+0x11/0x20 [ 83.681702][ T9626] ? __lock_acquire+0x8a0/0x4a00 [ 83.686614][ T9626] ? find_held_lock+0x35/0x130 [ 83.691357][ T9626] netlink_rcv_skb+0x177/0x450 [ 83.696112][ T9626] ? genl_family_rcv_msg_attrs_parse+0x300/0x300 [ 83.702415][ T9626] ? netlink_ack+0xb50/0xb50 [ 83.707037][ T9626] ? __kasan_check_write+0x14/0x20 [ 83.712140][ T9626] ? netlink_deliver_tap+0x248/0xbf0 [ 83.717441][ T9626] genl_rcv+0x29/0x40 [ 83.721402][ T9626] netlink_unicast+0x59e/0x7e0 [ 83.726148][ T9626] ? netlink_attachskb+0x870/0x870 [ 83.731248][ T9626] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 83.737001][ T9626] ? __check_object_size+0x3d/0x437 [ 83.742175][ T9626] netlink_sendmsg+0x91c/0xea0 [ 83.746919][ T9626] ? netlink_unicast+0x7e0/0x7e0 [ 83.751848][ T9626] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 83.757372][ T9626] ? apparmor_socket_sendmsg+0x2a/0x30 [ 83.762832][ T9626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.769049][ T9626] ? security_socket_sendmsg+0x8d/0xc0 [ 83.774481][ T9626] ? netlink_unicast+0x7e0/0x7e0 [ 83.779403][ T9626] sock_sendmsg+0xd7/0x130 [ 83.783793][ T9626] ____sys_sendmsg+0x753/0x880 [ 83.788548][ T9626] ? kernel_sendmsg+0x50/0x50 [ 83.793217][ T9626] ? debug_object_active_state+0x28a/0x350 [ 83.799009][ T9626] ? find_held_lock+0x35/0x130 [ 83.803749][ T9626] ___sys_sendmsg+0x100/0x170 [ 83.808418][ T9626] ? sendmsg_copy_msghdr+0x70/0x70 [ 83.813519][ T9626] ? lockdep_hardirqs_on+0x421/0x5e0 [ 83.818797][ T9626] ? __kasan_check_read+0x11/0x20 [ 83.823809][ T9626] ? mark_lock+0xc2/0x1220 [ 83.828204][ T9626] ? __kasan_check_read+0x11/0x20 [ 83.833202][ T9626] ? __lock_acquire+0x16f2/0x4a00 [ 83.838200][ T9626] ? debug_object_deactivate+0x320/0x320 [ 83.843824][ T9626] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 83.849972][ T9626] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.856198][ T9626] ? __fget_light+0x1ad/0x270 [ 83.860851][ T9626] ? __fdget+0x1b/0x20 [ 83.864899][ T9626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.871116][ T9626] __sys_sendmsg+0x105/0x1d0 [ 83.875684][ T9626] ? __sys_sendmsg_sock+0xc0/0xc0 [ 83.880694][ T9626] ? lockdep_hardirqs_on+0x421/0x5e0 [ 83.885959][ T9626] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.891407][ T9626] ? do_syscall_64+0x26/0x790 [ 83.896057][ T9626] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.902100][ T9626] ? do_syscall_64+0x26/0x790 [ 83.906854][ T9626] __x64_sys_sendmsg+0x78/0xb0 [ 83.911602][ T9626] do_syscall_64+0xfa/0x790 [ 83.916080][ T9626] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.921945][ T9626] RIP: 0033:0x4460a9 [ 83.925924][ T9626] 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 8b d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.945500][ T9626] RSP: 002b:00007fff543f17b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 83.953886][ T9626] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004460a9 [ 83.961841][ T9626] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 83.969802][ T9626] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000003 [ 83.977757][ T9626] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff543f17f0 [ 83.985710][ T9626] R13: 0000000000000003 R14: 0000000000000004 R15: 00007fff543f18c0 [ 83.993687][ T9626] Modules linked in: [ 83.997556][ T9626] CR2: ffffed10192af087 [ 84.001693][ T9626] ---[ end trace 4138f4d807e125a3 ]--- [ 84.007129][ T9626] RIP: 0010:ethnl_update_bitset32.part.0+0x8be/0x1820 [ 84.013863][ T9626] 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 [ 84.033468][ T9626] RSP: 0018:ffffc9000672f248 EFLAGS: 00010a07 [ 84.039518][ T9626] RAX: dffffc0000000000 RBX: ffff8880a957843c RCX: ffffffff867055d4 [ 84.047483][ T9626] RDX: 1ffff110192af087 RSI: ffffffff867055e2 RDI: 0000000000000005 [ 84.055480][ T9626] RBP: ffffc9000672f3b0 R08: ffff888099244600 R09: ffffc9000672f318 [ 84.063472][ T9626] R10: fffff52000ce5e68 R11: ffffc9000672f347 R12: 0000000000000010 [ 84.071450][ T9626] R13: ffff8880c957843c R14: ffff8880a957844c R15: ffffc9000672f388 [ 84.079427][ T9626] FS: 000000000252c940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.088338][ T9626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.094895][ T9626] CR2: ffffed10192af087 CR3: 00000000a8aac000 CR4: 00000000001406f0 [ 84.102864][ T9626] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.110826][ T9626] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.118792][ T9626] Kernel panic - not syncing: Fatal exception [ 84.126207][ T9626] Kernel Offset: disabled [ 84.130553][ T9626] Rebooting in 86400 seconds..