[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 68.121869][ T27] audit: type=1800 audit(1583312377.745:25): pid=9596 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 68.163203][ T27] audit: type=1800 audit(1583312377.755:26): pid=9596 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 68.200686][ T27] audit: type=1800 audit(1583312377.755:27): pid=9596 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts. 2020/03/04 08:59:48 parsed 1 programs 2020/03/04 08:59:50 executed programs: 0 syzkaller login: [ 80.547116][ T9768] IPVS: ftp: loaded support on port[0] = 21 [ 80.602391][ T9768] chnl_net:caif_netlink_parms(): no params data found [ 80.638394][ T9768] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.646177][ T9768] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.654337][ T9768] device bridge_slave_0 entered promiscuous mode [ 80.662625][ T9768] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.669855][ T9768] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.677521][ T9768] device bridge_slave_1 entered promiscuous mode [ 80.694978][ T9768] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.705732][ T9768] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.724855][ T9768] team0: Port device team_slave_0 added [ 80.732195][ T9768] team0: Port device team_slave_1 added [ 80.746907][ T9768] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 80.753909][ T9768] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 80.779937][ T9768] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 80.792232][ T9768] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 80.799332][ T9768] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 80.825249][ T9768] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 80.905043][ T9768] device hsr_slave_0 entered promiscuous mode [ 80.943670][ T9768] device hsr_slave_1 entered promiscuous mode [ 81.043543][ T9768] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.086020][ T9768] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.126235][ T9768] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.166248][ T9768] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.247724][ T9768] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.254928][ T9768] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.262525][ T9768] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.269637][ T9768] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.312049][ T9768] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.325839][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.336358][ T2756] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.344953][ T2756] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.352813][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 81.365597][ T9768] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.376465][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.385518][ T2903] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.392546][ T2903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.408882][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.417264][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.424389][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.444333][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.452834][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.461376][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.470321][ T2756] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.480414][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.492458][ T9768] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.511597][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.520827][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.532595][ T9768] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.551099][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.569854][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.578242][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.586030][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.597644][ T9768] device veth0_vlan entered promiscuous mode [ 81.609934][ T9768] device veth1_vlan entered promiscuous mode [ 81.630713][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.639385][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.650124][ T9768] device veth0_macvtap entered promiscuous mode [ 81.659776][ T9768] device veth1_macvtap entered promiscuous mode [ 81.678267][ T9768] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 81.685993][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 81.694503][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 81.702257][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 81.711109][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 81.723267][ T9768] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 81.734463][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 81.742838][ T2903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 84.909835][T10271] [ 84.912242][T10271] ===================================== [ 84.917813][T10271] WARNING: bad unlock balance detected! [ 84.923336][T10271] 5.6.0-rc3-next-20200225-syzkaller #0 Not tainted [ 84.929994][T10271] ------------------------------------- [ 84.935509][T10271] syz-executor.0/10271 is trying to release lock (&file->mut) at: [ 84.943298][T10271] [] ucma_destroy_id+0x24a/0x490 [ 84.949767][T10271] but there are no more locks to release! [ 84.955457][T10271] [ 84.955457][T10271] other info that might help us debug this: [ 84.963490][T10271] 1 lock held by syz-executor.0/10271: [ 84.968916][T10271] #0: ffff8880a8995260 (&file->mut){+.+.}, at: ucma_destroy_id+0x1e7/0x490 [ 84.977574][T10271] [ 84.977574][T10271] stack backtrace: [ 84.983458][T10271] CPU: 1 PID: 10271 Comm: syz-executor.0 Not tainted 5.6.0-rc3-next-20200225-syzkaller #0 [ 84.993313][T10271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.003352][T10271] Call Trace: [ 85.006622][T10271] dump_stack+0x197/0x210 [ 85.010928][T10271] ? ucma_destroy_id+0x24a/0x490 [ 85.015845][T10271] print_unlock_imbalance_bug.cold+0x114/0x123 [ 85.022033][T10271] ? ucma_destroy_id+0x24a/0x490 [ 85.026968][T10271] lock_release+0x5f2/0x960 [ 85.031483][T10271] ? lock_downgrade+0x920/0x920 [ 85.036320][T10271] ? ucma_destroy_id+0x1e7/0x490 [ 85.041257][T10271] ? ucma_destroy_id+0x1c0/0x490 [ 85.046326][T10271] ? mutex_trylock+0x2d0/0x2d0 [ 85.051084][T10271] ? ucma_destroy_id+0x1c0/0x490 [ 85.056055][T10271] __mutex_unlock_slowpath+0x86/0x6a0 [ 85.061452][T10271] ? lock_downgrade+0x920/0x920 [ 85.066327][T10271] ? wait_for_completion+0x440/0x440 [ 85.071590][T10271] mutex_unlock+0xd/0x10 [ 85.075809][T10271] ucma_destroy_id+0x24a/0x490 [ 85.080585][T10271] ? ucma_close+0x310/0x310 [ 85.085068][T10271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.091319][T10271] ? _copy_from_user+0x12c/0x1a0 [ 85.096236][T10271] ucma_write+0x2d7/0x3c0 [ 85.100540][T10271] ? ucma_close+0x310/0x310 [ 85.105017][T10271] ? ucma_open+0x290/0x290 [ 85.109421][T10271] ? apparmor_file_permission+0x27/0x30 [ 85.114965][T10271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.121183][T10271] ? security_file_permission+0x8f/0x380 [ 85.126790][T10271] __vfs_write+0x8a/0x110 [ 85.131097][T10271] ? ucma_open+0x290/0x290 [ 85.135489][T10271] vfs_write+0x268/0x5d0 [ 85.139709][T10271] ksys_write+0x220/0x290 [ 85.144012][T10271] ? __ia32_sys_read+0xb0/0xb0 [ 85.148767][T10271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.154199][T10271] ? do_syscall_64+0x26/0x790 [ 85.158850][T10271] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.164889][T10271] ? do_syscall_64+0x26/0x790 [ 85.169540][T10271] __x64_sys_write+0x73/0xb0 [ 85.174118][T10271] do_syscall_64+0xfa/0x790 [ 85.178598][T10271] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.184462][T10271] RIP: 0033:0x45c479 [ 85.188330][T10271] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.207913][T10271] RSP: 002b:00007fa3b8ff8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.216302][T10271] RAX: ffffffffffffffda RBX: 00007fa3b8ff96d4 RCX: 000000000045c479 [ 85.224262][T10271] RDX: 0000000000000018 RSI: 0000000020001380 RDI: 0000000000000003 [ 85.232207][T10271] RBP: 000000000076bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 85.240153][T10271] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 85.248171][T10271] R13: 0000000000000cb7 R14: 00000000004d7b50 R15: 000000000076bfcc [ 85.257730][T10271] ================================================================== [ 85.265820][T10271] BUG: KASAN: use-after-free in ucma_destroy_id+0x448/0x490 [ 85.273098][T10271] Read of size 8 at addr ffff8880a8995068 by task syz-executor.0/10271 [ 85.281333][T10271] [ 85.283660][T10271] CPU: 1 PID: 10271 Comm: syz-executor.0 Not tainted 5.6.0-rc3-next-20200225-syzkaller #0 [ 85.293530][T10271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.303568][T10271] Call Trace: [ 85.306841][T10271] dump_stack+0x197/0x210 [ 85.311152][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.316084][T10271] print_address_description.constprop.0.cold+0xd4/0x30b [ 85.323156][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.328105][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.333031][T10271] __kasan_report.cold+0x1b/0x32 [ 85.337970][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.342964][T10271] kasan_report+0x12/0x20 [ 85.347298][T10271] __asan_report_load8_noabort+0x14/0x20 [ 85.352923][T10271] ucma_destroy_id+0x448/0x490 [ 85.357681][T10271] ? ucma_close+0x310/0x310 [ 85.362169][T10271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.368389][T10271] ? _copy_from_user+0x12c/0x1a0 [ 85.373322][T10271] ucma_write+0x2d7/0x3c0 [ 85.377643][T10271] ? ucma_close+0x310/0x310 [ 85.382125][T10271] ? ucma_open+0x290/0x290 [ 85.386518][T10271] ? apparmor_file_permission+0x27/0x30 [ 85.392098][T10271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.398328][T10271] ? security_file_permission+0x8f/0x380 [ 85.403945][T10271] __vfs_write+0x8a/0x110 [ 85.408303][T10271] ? ucma_open+0x290/0x290 [ 85.412699][T10271] vfs_write+0x268/0x5d0 [ 85.416923][T10271] ksys_write+0x220/0x290 [ 85.421234][T10271] ? __ia32_sys_read+0xb0/0xb0 [ 85.425982][T10271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.431465][T10271] ? do_syscall_64+0x26/0x790 [ 85.436130][T10271] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.442229][T10271] ? do_syscall_64+0x26/0x790 [ 85.446893][T10271] __x64_sys_write+0x73/0xb0 [ 85.451466][T10271] do_syscall_64+0xfa/0x790 [ 85.455960][T10271] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.461854][T10271] RIP: 0033:0x45c479 [ 85.465730][T10271] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.485316][T10271] RSP: 002b:00007fa3b8ff8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 85.493704][T10271] RAX: ffffffffffffffda RBX: 00007fa3b8ff96d4 RCX: 000000000045c479 [ 85.501670][T10271] RDX: 0000000000000018 RSI: 0000000020001380 RDI: 0000000000000003 [ 85.509662][T10271] RBP: 000000000076bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 85.517614][T10271] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 85.525564][T10271] R13: 0000000000000cb7 R14: 00000000004d7b50 R15: 000000000076bfcc [ 85.533529][T10271] [ 85.535846][T10271] Allocated by task 10266: [ 85.540245][T10271] save_stack+0x23/0x90 [ 85.544400][T10271] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 85.550029][T10271] kasan_kmalloc+0x9/0x10 [ 85.554454][T10271] kmem_cache_alloc_trace+0x158/0x790 [ 85.559806][T10271] ucma_alloc_ctx+0x4e/0x470 [ 85.564387][T10271] ucma_create_id+0x12d/0x620 [ 85.569060][T10271] ucma_write+0x2d7/0x3c0 [ 85.573380][T10271] __vfs_write+0x8a/0x110 [ 85.577709][T10271] vfs_write+0x268/0x5d0 [ 85.581928][T10271] ksys_write+0x220/0x290 [ 85.586232][T10271] __x64_sys_write+0x73/0xb0 [ 85.590814][T10271] do_syscall_64+0xfa/0x790 [ 85.595309][T10271] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.601177][T10271] [ 85.603503][T10271] Freed by task 10265: [ 85.607553][T10271] save_stack+0x23/0x90 [ 85.611696][T10271] __kasan_slab_free+0x102/0x150 [ 85.616791][T10271] kasan_slab_free+0xe/0x10 [ 85.621286][T10271] kfree+0x10a/0x2c0 [ 85.625190][T10271] ucma_free_ctx+0x839/0xbc0 [ 85.629763][T10271] ucma_close+0x122/0x310 [ 85.634075][T10271] __fput+0x2ff/0x890 [ 85.638034][T10271] ____fput+0x16/0x20 [ 85.642004][T10271] task_work_run+0x145/0x1c0 [ 85.646582][T10271] exit_to_usermode_loop+0x316/0x380 [ 85.651847][T10271] do_syscall_64+0x676/0x790 [ 85.656418][T10271] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.662286][T10271] [ 85.664602][T10271] The buggy address belongs to the object at ffff8880a8995000 [ 85.664602][T10271] which belongs to the cache kmalloc-256 of size 256 [ 85.678634][T10271] The buggy address is located 104 bytes inside of [ 85.678634][T10271] 256-byte region [ffff8880a8995000, ffff8880a8995100) [ 85.691888][T10271] The buggy address belongs to the page: [ 85.697501][T10271] page:ffffea0002a26540 refcount:1 mapcount:0 mapping:0000000081b320c6 index:0x0 [ 85.706582][T10271] flags: 0xfffe0000000200(slab) [ 85.711414][T10271] raw: 00fffe0000000200 ffffea0002a2fc48 ffffea00024e2908 ffff8880aa4008c0 [ 85.719978][T10271] raw: 0000000000000000 ffff8880a8995000 0000000100000008 0000000000000000 [ 85.728536][T10271] page dumped because: kasan: bad access detected [ 85.734916][T10271] [ 85.737238][T10271] Memory state around the buggy address: [ 85.742861][T10271] ffff8880a8994f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 85.750901][T10271] ffff8880a8994f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 85.758953][T10271] >ffff8880a8995000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 85.767025][T10271] ^ [ 85.774807][T10271] ffff8880a8995080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 85.782858][T10271] ffff8880a8995100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 85.790941][T10271] ================================================================== [ 85.801046][T10271] Kernel panic - not syncing: panic_on_warn set ... [ 85.807655][T10271] CPU: 0 PID: 10271 Comm: syz-executor.0 Tainted: G B 5.6.0-rc3-next-20200225-syzkaller #0 [ 85.818909][T10271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.828942][T10271] Call Trace: [ 85.832216][T10271] dump_stack+0x197/0x210 [ 85.836534][T10271] panic+0x2e3/0x75c [ 85.840445][T10271] ? add_taint.cold+0x16/0x16 [ 85.845100][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.850039][T10271] ? preempt_schedule+0x4b/0x60 [ 85.854881][T10271] ? ___preempt_schedule+0x16/0x18 [ 85.859971][T10271] ? trace_hardirqs_on+0x5e/0x240 [ 85.864973][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.869885][T10271] end_report+0x47/0x4f [ 85.874021][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.878946][T10271] __kasan_report.cold+0xe/0x32 [ 85.883772][T10271] ? ucma_destroy_id+0x448/0x490 [ 85.888703][T10271] kasan_report+0x12/0x20 [ 85.893024][T10271] __asan_report_load8_noabort+0x14/0x20 [ 85.898638][T10271] ucma_destroy_id+0x448/0x490 [ 85.903389][T10271] ? ucma_close+0x310/0x310 [ 85.907881][T10271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.914102][T10271] ? _copy_from_user+0x12c/0x1a0 [ 85.919018][T10271] ucma_write+0x2d7/0x3c0 [ 85.923325][T10271] ? ucma_close+0x310/0x310 [ 85.927843][T10271] ? ucma_open+0x290/0x290 [ 85.932234][T10271] ? apparmor_file_permission+0x27/0x30 [ 85.937860][T10271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.944076][T10271] ? security_file_permission+0x8f/0x380 [ 85.949685][T10271] __vfs_write+0x8a/0x110 [ 85.953990][T10271] ? ucma_open+0x290/0x290 [ 85.958381][T10271] vfs_write+0x268/0x5d0 [ 85.962600][T10271] ksys_write+0x220/0x290 [ 85.966907][T10271] ? __ia32_sys_read+0xb0/0xb0 [ 85.971670][T10271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.977107][T10271] ? do_syscall_64+0x26/0x790 [ 85.981760][T10271] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.987802][T10271] ? do_syscall_64+0x26/0x790 [ 85.992454][T10271] __x64_sys_write+0x73/0xb0 [ 85.997021][T10271] do_syscall_64+0xfa/0x790 [ 86.001499][T10271] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.007388][T10271] RIP: 0033:0x45c479 [ 86.011260][T10271] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.030838][T10271] RSP: 002b:00007fa3b8ff8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 86.039222][T10271] RAX: ffffffffffffffda RBX: 00007fa3b8ff96d4 RCX: 000000000045c479 [ 86.047167][T10271] RDX: 0000000000000018 RSI: 0000000020001380 RDI: 0000000000000003 [ 86.055128][T10271] RBP: 000000000076bfc0 R08: 0000000000000000 R09: 0000000000000000 [ 86.063090][T10271] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 86.071044][T10271] R13: 0000000000000cb7 R14: 00000000004d7b50 R15: 000000000076bfcc [ 86.080530][T10271] Kernel Offset: disabled [ 86.084855][T10271] Rebooting in 86400 seconds..