Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 67.791966][ T8393] sysfs: cannot create duplicate filename '/devices/virtual/bdi/43:0' [ 67.800377][ T8393] CPU: 1 PID: 8393 Comm: syz-executor267 Not tainted 5.11.0-syzkaller #0 [ 67.808790][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.818832][ T8393] Call Trace: [ 67.822098][ T8393] dump_stack+0xfa/0x151 [ 67.826350][ T8393] sysfs_warn_dup.cold+0x1c/0x29 [ 67.831296][ T8393] sysfs_create_dir_ns+0x233/0x290 [ 67.836422][ T8393] ? sysfs_create_mount_point+0xb0/0xb0 [ 67.841958][ T8393] ? rwlock_bug.part.0+0x90/0x90 [ 67.846891][ T8393] ? class_dir_child_ns_type+0x9/0x60 [ 67.852264][ T8393] kobject_add_internal+0x2d2/0xa60 [ 67.857478][ T8393] kobject_add+0x150/0x1c0 [ 67.861900][ T8393] ? kset_create_and_add+0x190/0x190 [ 67.867336][ T8393] ? lockdep_init_map_type+0x2c3/0x7a0 [ 67.872792][ T8393] device_add+0x36a/0x1d90 [ 67.877211][ T8393] ? __fw_devlink_link_to_suppliers+0x5e0/0x5e0 [ 67.883470][ T8393] device_create_groups_vargs+0x203/0x280 [ 67.889197][ T8393] device_create+0xdf/0x120 [ 67.893692][ T8393] ? device_create_groups_vargs+0x280/0x280 [ 67.899600][ T8393] ? pointer+0x930/0x930 [ 67.903835][ T8393] ? vsnprintf+0x281/0x14f0 [ 67.908351][ T8393] bdi_register_va.part.0+0x9c/0x800 [ 67.913625][ T8393] ? cgwb_kill+0x450/0x450 [ 67.918027][ T8393] ? _raw_spin_unlock_irqrestore+0x33/0x50 [ 67.923833][ T8393] ? __wake_up_common_lock+0xde/0x130 [ 67.929213][ T8393] bdi_register+0x12a/0x140 [ 67.933703][ T8393] ? bdi_register_va.part.0+0x800/0x800 [ 67.939247][ T8393] __device_add_disk+0xbff/0x1300 [ 67.944383][ T8393] ? sprintf+0xc0/0x100 [ 67.948533][ T8393] ? blk_alloc_devt+0x240/0x240 [ 67.953374][ T8393] ? lockdep_init_map_type+0x2c3/0x7a0 [ 67.958831][ T8393] ? lockdep_init_map_type+0x2c3/0x7a0 [ 67.964289][ T8393] nbd_dev_add+0x720/0x910 [ 67.968702][ T8393] nbd_genl_connect+0x557/0x1570 [ 67.973639][ T8393] ? nbd_start_device+0xd50/0xd50 [ 67.978687][ T8393] ? nla_get_range_signed+0x520/0x520 [ 67.984071][ T8393] ? lock_is_held_type+0xd5/0x130 [ 67.989108][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 67.995358][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 68.002835][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 68.010124][ T8393] genl_family_rcv_msg_doit+0x228/0x320 [ 68.015691][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 68.023057][ T8393] ? genl_op_from_small+0x23/0x3c0 [ 68.028156][ T8393] ? genl_get_cmd+0x3cf/0x480 [ 68.032838][ T8393] genl_rcv_msg+0x328/0x580 [ 68.037333][ T8393] ? genl_get_cmd+0x480/0x480 [ 68.041999][ T8393] ? nbd_start_device+0xd50/0xd50 [ 68.047276][ T8393] ? lock_release+0x710/0x710 [ 68.051941][ T8393] ? lock_acquire+0x1bb/0x730 [ 68.056704][ T8393] netlink_rcv_skb+0x153/0x420 [ 68.061454][ T8393] ? genl_get_cmd+0x480/0x480 [ 68.066138][ T8393] ? netlink_ack+0xaa0/0xaa0 [ 68.070740][ T8393] genl_rcv+0x24/0x40 [ 68.074711][ T8393] netlink_unicast+0x533/0x7d0 [ 68.079470][ T8393] ? netlink_attachskb+0x870/0x870 [ 68.084571][ T8393] ? _copy_from_iter_full+0x279/0x850 [ 68.089942][ T8393] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.096171][ T8393] ? __phys_addr_symbol+0x2c/0x70 [ 68.101202][ T8393] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 68.106920][ T8393] ? __check_object_size+0x171/0x3f0 [ 68.112255][ T8393] netlink_sendmsg+0x856/0xd90 [ 68.117016][ T8393] ? netlink_unicast+0x7d0/0x7d0 [ 68.121965][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.128204][ T8393] ? netlink_unicast+0x7d0/0x7d0 [ 68.133321][ T8393] sock_sendmsg+0xcf/0x120 [ 68.137733][ T8393] ____sys_sendmsg+0x6e8/0x810 [ 68.142490][ T8393] ? kernel_sendmsg+0x50/0x50 [ 68.147154][ T8393] ? do_recvmmsg+0x6d0/0x6d0 [ 68.151732][ T8393] ? fs_reclaim_release+0x9c/0xe0 [ 68.156756][ T8393] ___sys_sendmsg+0xf3/0x170 [ 68.161332][ T8393] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.166607][ T8393] ? __raw_spin_lock_init+0x36/0x110 [ 68.171901][ T8393] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.177891][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.184918][ T8393] ? percpu_counter_add_batch+0xbd/0x180 [ 68.190554][ T8393] ? lock_is_held_type+0xd5/0x130 [ 68.195566][ T8393] ? find_held_lock+0x2d/0x110 [ 68.200326][ T8393] ? lock_release+0x3bb/0x710 [ 68.204990][ T8393] ? fd_install+0x1e3/0x640 [ 68.209496][ T8393] ? lock_downgrade+0x6d0/0x6d0 [ 68.214341][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.220585][ T8393] ? __fget_light+0x215/0x280 [ 68.225258][ T8393] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.231519][ T8393] __sys_sendmsg+0xe5/0x1b0 [ 68.236019][ T8393] ? __sys_sendmsg_sock+0xb0/0xb0 [ 68.241038][ T8393] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.246921][ T8393] do_syscall_64+0x2d/0x70 [ 68.251334][ T8393] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.257212][ T8393] RIP: 0033:0x43f9c9 [ 68.261092][ T8393] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 68.280682][ T8393] RSP: 002b:00007fffaac93ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.289086][ T8393] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f9c9 [ 68.297044][ T8393] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 68.305000][ T8393] RBP: 0000000000403430 R08: 00000000004004a0 R09: 00000000004004a0 [ 68.313061][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004034c0 [ 68.321031][ T8393] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 68.337101][ T8393] kobject_add_internal failed for 43:0 with -EEXIST, don't try to register things with the same name in the same directory. [ 68.350480][ T8393] ------------[ cut here ]------------ [ 68.356027][ T8393] WARNING: CPU: 1 PID: 8393 at block/genhd.c:620 __device_add_disk+0x1030/0x1300 [ 68.365326][ T8393] Modules linked in: [ 68.369245][ T8393] CPU: 1 PID: 8393 Comm: syz-executor267 Not tainted 5.11.0-syzkaller #0 [ 68.377831][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.388045][ T8393] RIP: 0010:__device_add_disk+0x1030/0x1300 [ 68.401508][ T8393] Code: f1 ff ff e8 42 c4 c1 fd 0f 0b e9 e6 f6 ff ff 48 89 7c 24 20 e8 31 c4 c1 fd 0f 0b 48 8b 7c 24 20 e9 9b f4 ff ff e8 20 c4 c1 fd <0f> 0b e9 dd fb ff ff 4c 89 ef e8 a1 fc 04 fe e9 28 f1 ff ff 48 8b [ 68.438270][ T8393] RSP: 0018:ffffc900017cf340 EFLAGS: 00010293 [ 68.445854][ T8393] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 68.454559][ T8393] RDX: ffff88801590b780 RSI: ffffffff83b11590 RDI: 0000000000000003 [ 68.463266][ T8393] RBP: ffff88801bbf4000 R08: 0000000000000000 R09: ffffffff8fa99837 [ 68.472159][ T8393] R10: ffffffff83b1116b R11: 0000000000000000 R12: 00000000ffffffef [ 68.480155][ T8393] R13: ffff88801bbf40a0 R14: ffff8881423e6850 R15: ffff888030dda000 [ 68.488711][ T8393] FS: 00000000019d0300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 68.497760][ T8393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.504420][ T8393] CR2: 00007f3159e99000 CR3: 000000001519d000 CR4: 00000000001506e0 [ 68.512474][ T8393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.520470][ T8393] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.528506][ T8393] Call Trace: [ 68.532032][ T8393] ? sprintf+0xc0/0x100 [ 68.536187][ T8393] ? blk_alloc_devt+0x240/0x240 [ 68.541044][ T8393] ? lockdep_init_map_type+0x2c3/0x7a0 [ 68.546613][ T8393] ? lockdep_init_map_type+0x2c3/0x7a0 [ 68.552186][ T8393] nbd_dev_add+0x720/0x910 [ 68.556615][ T8393] nbd_genl_connect+0x557/0x1570 [ 68.561608][ T8393] ? nbd_start_device+0xd50/0xd50 [ 68.566675][ T8393] ? nla_get_range_signed+0x520/0x520 [ 68.572148][ T8393] ? lock_is_held_type+0xd5/0x130 [ 68.577213][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.583512][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 68.590913][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 68.598330][ T8393] genl_family_rcv_msg_doit+0x228/0x320 [ 68.604025][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 68.611511][ T8393] ? genl_op_from_small+0x23/0x3c0 [ 68.616659][ T8393] ? genl_get_cmd+0x3cf/0x480 [ 68.621419][ T8393] genl_rcv_msg+0x328/0x580 [ 68.625966][ T8393] ? genl_get_cmd+0x480/0x480 [ 68.630652][ T8393] ? nbd_start_device+0xd50/0xd50 [ 68.635753][ T8393] ? lock_release+0x710/0x710 [ 68.640451][ T8393] ? lock_acquire+0x1bb/0x730 [ 68.645194][ T8393] netlink_rcv_skb+0x153/0x420 [ 68.649993][ T8393] ? genl_get_cmd+0x480/0x480 [ 68.654780][ T8393] ? netlink_ack+0xaa0/0xaa0 [ 68.659398][ T8393] genl_rcv+0x24/0x40 [ 68.663434][ T8393] netlink_unicast+0x533/0x7d0 [ 68.668236][ T8393] ? netlink_attachskb+0x870/0x870 [ 68.673398][ T8393] ? _copy_from_iter_full+0x279/0x850 [ 68.678809][ T8393] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.685108][ T8393] ? __phys_addr_symbol+0x2c/0x70 [ 68.690157][ T8393] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 68.695974][ T8393] ? __check_object_size+0x171/0x3f0 [ 68.701357][ T8393] netlink_sendmsg+0x856/0xd90 [ 68.706134][ T8393] ? netlink_unicast+0x7d0/0x7d0 [ 68.711065][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.717636][ T8393] ? netlink_unicast+0x7d0/0x7d0 [ 68.722683][ T8393] sock_sendmsg+0xcf/0x120 [ 68.727118][ T8393] ____sys_sendmsg+0x6e8/0x810 [ 68.731967][ T8393] ? kernel_sendmsg+0x50/0x50 [ 68.736709][ T8393] ? do_recvmmsg+0x6d0/0x6d0 [ 68.741697][ T8393] ? fs_reclaim_release+0x9c/0xe0 [ 68.746758][ T8393] ___sys_sendmsg+0xf3/0x170 [ 68.751462][ T8393] ? sendmsg_copy_msghdr+0x160/0x160 [ 68.756768][ T8393] ? __raw_spin_lock_init+0x36/0x110 [ 68.762190][ T8393] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.768212][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.774508][ T8393] ? percpu_counter_add_batch+0xbd/0x180 [ 68.780198][ T8393] ? lock_is_held_type+0xd5/0x130 [ 68.785281][ T8393] ? find_held_lock+0x2d/0x110 [ 68.790073][ T8393] ? lock_release+0x3bb/0x710 [ 68.794812][ T8393] ? fd_install+0x1e3/0x640 [ 68.799379][ T8393] ? lock_downgrade+0x6d0/0x6d0 [ 68.804305][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.810670][ T8393] ? __fget_light+0x215/0x280 [ 68.815450][ T8393] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.821784][ T8393] __sys_sendmsg+0xe5/0x1b0 [ 68.826316][ T8393] ? __sys_sendmsg_sock+0xb0/0xb0 [ 68.831439][ T8393] ? syscall_enter_from_user_mode+0x1d/0x50 [ 68.837370][ T8393] do_syscall_64+0x2d/0x70 [ 68.841993][ T8393] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.847926][ T8393] RIP: 0033:0x43f9c9 [ 68.851941][ T8393] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 68.871762][ T8393] RSP: 002b:00007fffaac93ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.880194][ T8393] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f9c9 [ 68.888216][ T8393] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 68.896261][ T8393] RBP: 0000000000403430 R08: 00000000004004a0 R09: 00000000004004a0 [ 68.904303][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004034c0 [ 68.912384][ T8393] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 68.920400][ T8393] Kernel panic - not syncing: panic_on_warn set ... [ 68.926980][ T8393] CPU: 1 PID: 8393 Comm: syz-executor267 Not tainted 5.11.0-syzkaller #0 [ 68.935396][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.945485][ T8393] Call Trace: [ 68.948766][ T8393] dump_stack+0xfa/0x151 [ 68.953013][ T8393] panic+0x306/0x73d [ 68.956917][ T8393] ? __warn_printk+0xf3/0xf3 [ 68.961511][ T8393] ? __warn.cold+0x1a/0x44 [ 68.965930][ T8393] ? __device_add_disk+0x1030/0x1300 [ 68.971224][ T8393] __warn.cold+0x35/0x44 [ 68.975492][ T8393] ? __device_add_disk+0x1030/0x1300 [ 68.980765][ T8393] report_bug+0x1bd/0x210 [ 68.985105][ T8393] handle_bug+0x3c/0x60 [ 68.989268][ T8393] exc_invalid_op+0x14/0x40 [ 68.993774][ T8393] asm_exc_invalid_op+0x12/0x20 [ 68.998639][ T8393] RIP: 0010:__device_add_disk+0x1030/0x1300 [ 69.004526][ T8393] Code: f1 ff ff e8 42 c4 c1 fd 0f 0b e9 e6 f6 ff ff 48 89 7c 24 20 e8 31 c4 c1 fd 0f 0b 48 8b 7c 24 20 e9 9b f4 ff ff e8 20 c4 c1 fd <0f> 0b e9 dd fb ff ff 4c 89 ef e8 a1 fc 04 fe e9 28 f1 ff ff 48 8b [ 69.024137][ T8393] RSP: 0018:ffffc900017cf340 EFLAGS: 00010293 [ 69.030194][ T8393] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 69.038164][ T8393] RDX: ffff88801590b780 RSI: ffffffff83b11590 RDI: 0000000000000003 [ 69.046136][ T8393] RBP: ffff88801bbf4000 R08: 0000000000000000 R09: ffffffff8fa99837 [ 69.054106][ T8393] R10: ffffffff83b1116b R11: 0000000000000000 R12: 00000000ffffffef [ 69.062065][ T8393] R13: ffff88801bbf40a0 R14: ffff8881423e6850 R15: ffff888030dda000 [ 69.070127][ T8393] ? __device_add_disk+0xc0b/0x1300 [ 69.075320][ T8393] ? __device_add_disk+0x1030/0x1300 [ 69.080603][ T8393] ? sprintf+0xc0/0x100 [ 69.084748][ T8393] ? blk_alloc_devt+0x240/0x240 [ 69.089588][ T8393] ? lockdep_init_map_type+0x2c3/0x7a0 [ 69.095040][ T8393] ? lockdep_init_map_type+0x2c3/0x7a0 [ 69.100493][ T8393] nbd_dev_add+0x720/0x910 [ 69.104904][ T8393] nbd_genl_connect+0x557/0x1570 [ 69.109853][ T8393] ? nbd_start_device+0xd50/0xd50 [ 69.114880][ T8393] ? nla_get_range_signed+0x520/0x520 [ 69.120248][ T8393] ? lock_is_held_type+0xd5/0x130 [ 69.125277][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.131525][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 69.138883][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 69.146159][ T8393] genl_family_rcv_msg_doit+0x228/0x320 [ 69.151708][ T8393] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 69.159095][ T8393] ? genl_op_from_small+0x23/0x3c0 [ 69.164213][ T8393] ? genl_get_cmd+0x3cf/0x480 [ 69.168882][ T8393] genl_rcv_msg+0x328/0x580 [ 69.173375][ T8393] ? genl_get_cmd+0x480/0x480 [ 69.178042][ T8393] ? nbd_start_device+0xd50/0xd50 [ 69.183073][ T8393] ? lock_release+0x710/0x710 [ 69.187745][ T8393] ? lock_acquire+0x1bb/0x730 [ 69.192414][ T8393] netlink_rcv_skb+0x153/0x420 [ 69.197167][ T8393] ? genl_get_cmd+0x480/0x480 [ 69.201849][ T8393] ? netlink_ack+0xaa0/0xaa0 [ 69.206442][ T8393] genl_rcv+0x24/0x40 [ 69.210528][ T8393] netlink_unicast+0x533/0x7d0 [ 69.215287][ T8393] ? netlink_attachskb+0x870/0x870 [ 69.220402][ T8393] ? _copy_from_iter_full+0x279/0x850 [ 69.225783][ T8393] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.232020][ T8393] ? __phys_addr_symbol+0x2c/0x70 [ 69.237039][ T8393] ? __sanitizer_cov_trace_cmp8+0x1d/0x70 [ 69.242757][ T8393] ? __check_object_size+0x171/0x3f0 [ 69.248033][ T8393] netlink_sendmsg+0x856/0xd90 [ 69.252802][ T8393] ? netlink_unicast+0x7d0/0x7d0 [ 69.257759][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.264039][ T8393] ? netlink_unicast+0x7d0/0x7d0 [ 69.268989][ T8393] sock_sendmsg+0xcf/0x120 [ 69.273401][ T8393] ____sys_sendmsg+0x6e8/0x810 [ 69.278168][ T8393] ? kernel_sendmsg+0x50/0x50 [ 69.282853][ T8393] ? do_recvmmsg+0x6d0/0x6d0 [ 69.287462][ T8393] ? fs_reclaim_release+0x9c/0xe0 [ 69.292508][ T8393] ___sys_sendmsg+0xf3/0x170 [ 69.297106][ T8393] ? sendmsg_copy_msghdr+0x160/0x160 [ 69.302382][ T8393] ? __raw_spin_lock_init+0x36/0x110 [ 69.307662][ T8393] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 69.313647][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.319897][ T8393] ? percpu_counter_add_batch+0xbd/0x180 [ 69.325538][ T8393] ? lock_is_held_type+0xd5/0x130 [ 69.330563][ T8393] ? find_held_lock+0x2d/0x110 [ 69.335316][ T8393] ? lock_release+0x3bb/0x710 [ 69.339984][ T8393] ? fd_install+0x1e3/0x640 [ 69.344490][ T8393] ? lock_downgrade+0x6d0/0x6d0 [ 69.349342][ T8393] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 69.355573][ T8393] ? __fget_light+0x215/0x280 [ 69.360254][ T8393] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 69.366488][ T8393] __sys_sendmsg+0xe5/0x1b0 [ 69.370989][ T8393] ? __sys_sendmsg_sock+0xb0/0xb0 [ 69.376023][ T8393] ? syscall_enter_from_user_mode+0x1d/0x50 [ 69.381926][ T8393] do_syscall_64+0x2d/0x70 [ 69.386356][ T8393] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 69.392365][ T8393] RIP: 0033:0x43f9c9 [ 69.396258][ T8393] Code: 28 c3 e8 5a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 69.415861][ T8393] RSP: 002b:00007fffaac93ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.424271][ T8393] RAX: ffffffffffffffda RBX: 00000000004004a0 RCX: 000000000043f9c9 [ 69.432230][ T8393] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000004 [ 69.440207][ T8393] RBP: 0000000000403430 R08: 00000000004004a0 R09: 00000000004004a0 [ 69.448163][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004034c0 [ 69.456120][ T8393] R13: 0000000000000000 R14: 00000000004ad018 R15: 00000000004004a0 [ 69.464678][ T8393] Kernel Offset: disabled [ 69.469099][ T8393] Rebooting in 86400 seconds..