Starting Permit User Sessions...
         Starting System Logging Service...
[  OK  ] Started Daily apt download activities.
[  OK  ] Started Daily apt upgrade and clean activities.
[  OK  ] Reached target Timers.
[  OK  ] Started Regular background program processing daemon.
[  OK  ] Started System Logging Service.
[  OK  ] Started Permit User Sessions.
[  OK  ] Started OpenBSD Secure Shell server.
[  OK  ] Started getty on tty2-tty6 if dbus and logind are not available.
[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[  OK  ] Started Getty on tty6.
[  OK  ] Started Getty on tty5.
[  OK  ] Started Getty on tty4.
[  OK  ] Started Getty on tty3.
[  OK  ] Started Getty on tty2.
[  OK  ] Started Serial Getty on ttyS0.
[  OK  ] Started Getty on tty1.
[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Update UTMP about System Runlevel Changes.
[  OK  ] Started Load/Save RF Kill Switch Status.
Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts.
[   81.067868][   T37] audit: type=1400 audit(1626169053.539:8): avc:  denied  { execmem } for  pid=8450 comm="syz-executor480" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1

Debian GNU/Linux 9 syzkaller ttyS0

syzkaller login: [   82.421139][ T8452] chnl_net:caif_netlink_parms(): no params data found
[   82.477964][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state
[   82.486388][ T8452] bridge0: port 1(bridge_slave_0) entered disabled state
[   82.495835][ T8452] device bridge_slave_0 entered promiscuous mode
[   82.505608][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state
[   82.513585][ T8452] bridge0: port 2(bridge_slave_1) entered disabled state
[   82.522162][ T8452] device bridge_slave_1 entered promiscuous mode
[   82.543930][ T8452] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   82.555008][ T8452] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   82.582208][ T8452] team0: Port device team_slave_0 added
[   82.589441][ T8452] team0: Port device team_slave_1 added
[   82.609428][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_0
[   82.616806][ T8452] 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.
[   82.644361][ T8452] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   82.658477][ T8452] batman_adv: batadv0: Adding interface: batadv_slave_1
[   82.666344][ T8452] 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.
[   82.692556][ T8452] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   82.720982][ T8452] device hsr_slave_0 entered promiscuous mode
[   82.727787][ T8452] device hsr_slave_1 entered promiscuous mode
[   82.850208][ T8452] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   82.863707][ T8452] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   82.874287][ T8452] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   82.885543][ T8452] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   82.910940][ T8452] bridge0: port 2(bridge_slave_1) entered blocking state
[   82.918073][ T8452] bridge0: port 2(bridge_slave_1) entered forwarding state
[   82.925998][ T8452] bridge0: port 1(bridge_slave_0) entered blocking state
[   82.933151][ T8452] bridge0: port 1(bridge_slave_0) entered forwarding state
[   82.979104][ T8452] 8021q: adding VLAN 0 to HW filter on device bond0
[   82.992789][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   83.005962][ T3159] bridge0: port 1(bridge_slave_0) entered disabled state
[   83.014708][ T3159] bridge0: port 2(bridge_slave_1) entered disabled state
[   83.023438][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   83.038316][ T8452] 8021q: adding VLAN 0 to HW filter on device team0
[   83.051525][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   83.059887][   T26] bridge0: port 1(bridge_slave_0) entered blocking state
[   83.066986][   T26] bridge0: port 1(bridge_slave_0) entered forwarding state
[   83.079250][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   83.088200][   T26] bridge0: port 2(bridge_slave_1) entered blocking state
[   83.095309][   T26] bridge0: port 2(bridge_slave_1) entered forwarding state
[   83.116287][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   83.126432][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   83.138144][ T8678] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   83.155561][ T8452] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[   83.167236][ T8452] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[   83.179379][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   83.188821][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   83.197636][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   83.220445][ T8452] 8021q: adding VLAN 0 to HW filter on device batadv0
[   83.229085][ T4562] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   83.237291][ T4562] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   83.261718][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   83.282204][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   83.290572][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   83.298361][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   83.309212][ T8452] device veth0_vlan entered promiscuous mode
[   83.322405][ T8452] device veth1_vlan entered promiscuous mode
[   83.345189][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   83.354414][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   83.363718][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   83.375885][ T8452] device veth0_macvtap entered promiscuous mode
[   83.385616][ T8452] device veth1_macvtap entered promiscuous mode
[   83.395667][ T4562] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   83.413721][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_0
[   83.421600][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[   83.430009][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   83.443895][ T8452] batman_adv: batadv0: Interface activated: batadv_slave_1
[   83.452359][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   83.461252][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   83.473532][ T8452] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   83.482565][ T8452] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   83.500786][ T8452] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   83.509492][ T8452] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   83.631535][   T29] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   83.639518][   T29] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   83.668245][   T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
executing program
[   83.688451][  T167] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   83.697495][  T167] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   83.711217][ T3159] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[   84.000781][ T3159] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[   84.261971][   T26] Bluetooth: hci0: command 0x0409 tx timeout
[   84.360991][ T3159] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x84 has an invalid bInterval 0, changing to 7
[   84.372230][ T3159] usb 1-1: New USB device found, idVendor=12cf, idProduct=7111, bcdDevice=44.11
[   84.382562][ T3159] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[   84.401175][ T3159] usb 1-1: config 0 descriptor??
[   84.660756][ T3159] radio-si470x 1-1:0.0: DeviceID=0x0000 ChipID=0x0000
[   84.667804][ T3159] radio-si470x 1-1:0.0: This driver is known to work with firmware version 12,
[   84.680898][ T3159] radio-si470x 1-1:0.0: but the device has firmware version 0.
[   84.880803][ T3159] radio-si470x 1-1:0.0: software version 0, hardware version 0
[   84.888389][ T3159] radio-si470x 1-1:0.0: This driver is known to work with hardware version 1,
[   84.897922][ T3159] radio-si470x 1-1:0.0: but the device has hardware version 0.
[   84.906116][ T3159] radio-si470x 1-1:0.0: If you have some trouble using this driver,
[   84.914561][ T3159] radio-si470x 1-1:0.0: please report to V4L ML at linux-media@vger.kernel.org
write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory
write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory
[   85.412075][   T29] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
[   85.441054][ T3159] radio-si470x 1-1:0.0: si470x_set_report: usb_control_msg returned -110
[   85.461040][ T3159] radio-si470x 1-1:0.0: si470x_set_report: usb_control_msg returned -32
[   85.469518][ T3159] radio-si470x: probe of 1-1:0.0 failed with error -22
write to /proc/sys/net/core/bpf_jit_kallsyms failed: No such file or directory
write to /proc/sys/net/core/bpf_jit_harden failed: No such file or directory
[   88.073152][ T8452] syz-executor480 (8452) used greatest stack depth: 22672 bytes left
[   88.080737][    C0] ==================================================================
[   88.083452][ T4562] usb 1-1: USB disconnect, device number 2
[   88.089446][    C0] BUG: KASAN: use-after-free in si470x_int_in_callback.cold+0x96/0xbf
[   88.103380][    C0] Read of size 8 at addr ffff888037360b40 by task sshd/8448
[   88.110673][    C0] 
[   88.113068][    C0] CPU: 0 PID: 8448 Comm: sshd Not tainted 5.14.0-rc1-syzkaller #0
[   88.120895][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   88.130963][    C0] Call Trace:
[   88.134251][    C0]  <IRQ>
[   88.137104][    C0]  dump_stack_lvl+0xcd/0x134
[   88.141724][    C0]  print_address_description.constprop.0.cold+0x6c/0x2d6
[   88.148771][    C0]  ? si470x_int_in_callback.cold+0x96/0xbf
[   88.154602][    C0]  ? si470x_int_in_callback.cold+0x96/0xbf
[   88.160429][    C0]  kasan_report.cold+0x83/0xdf
[   88.165300][    C0]  ? si470x_int_in_callback.cold+0x96/0xbf
[   88.171126][    C0]  si470x_int_in_callback.cold+0x96/0xbf
[   88.176787][    C0]  ? __usb_hcd_giveback_urb+0x413/0x5c0
[   88.182337][    C0]  ? lock_downgrade+0x6e0/0x6e0
[   88.187175][    C0]  ? si470x_fops_read+0x790/0x790
[   88.192186][    C0]  __usb_hcd_giveback_urb+0x2b0/0x5c0
[   88.197546][    C0]  usb_hcd_giveback_urb+0x367/0x410
[   88.202731][    C0]  dummy_timer+0x11f9/0x32b0
[   88.207334][    C0]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[   88.213305][    C0]  ? lock_chain_count+0x20/0x20
[   88.218149][    C0]  ? dummy_dequeue+0x500/0x500
[   88.222905][    C0]  ? dummy_dequeue+0x500/0x500
[   88.227654][    C0]  call_timer_fn+0x1a5/0x6b0
[   88.232238][    C0]  ? add_timer_on+0x4a0/0x4a0
[   88.236924][    C0]  ? _raw_spin_unlock_irq+0x1f/0x40
[   88.242116][    C0]  ? dummy_dequeue+0x500/0x500
[   88.246880][    C0]  __run_timers.part.0+0x675/0xa50
[   88.251994][    C0]  ? call_timer_fn+0x6b0/0x6b0
[   88.256742][    C0]  ? lapic_next_event+0x4d/0x80
[   88.261588][    C0]  run_timer_softirq+0xb3/0x1d0
[   88.266425][    C0]  __do_softirq+0x29b/0x9c2
[   88.270928][    C0]  __irq_exit_rcu+0x16e/0x1c0
[   88.275590][    C0]  irq_exit_rcu+0x5/0x20
[   88.279815][    C0]  sysvec_apic_timer_interrupt+0x93/0xc0
[   88.285446][    C0]  </IRQ>
[   88.288364][    C0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[   88.294333][    C0] RIP: 0010:deref_stack_reg+0x105/0x150
[   88.299873][    C0] Code: 00 00 00 00 00 fc ff df 48 89 d9 48 89 ef e8 12 f9 ff ff 48 c1 e9 03 80 3c 11 00 75 31 48 89 03 b8 01 00 00 00 48 83 c4 08 5b <5d> 41 5c 41 5d c3 e8 f0 fb 86 00 e9 1f ff ff ff e8 f6 fb 86 00 e9
[   88.319583][    C0] RSP: 0018:ffffc90001d47508 EFLAGS: 00000296
[   88.325645][    C0] RAX: 0000000000000001 RBX: 1ffff920003a8ead RCX: 1ffff920003a8ec9
[   88.333622][    C0] RDX: dffffc0000000000 RSI: ffffc90001d47f50 RDI: ffffc90001d47f50
[   88.341592][    C0] RBP: ffffc90001d47f50 R08: ffffffff8e7c4608 R09: 0000000000000001
[   88.349553][    C0] R10: fffff520003a8ecb R11: 0000000000086088 R12: ffffc90001d47600
[   88.357529][    C0] R13: ffffc90001d40000 R14: ffffc90001d47600 R15: ffffffff8e7c460c
[   88.365556][    C0]  unwind_next_frame+0xcc3/0x1ce0
[   88.370582][    C0]  ? do_syscall_64+0x35/0xb0
[   88.375180][    C0]  ? deref_stack_reg+0x150/0x150
[   88.380108][    C0]  ? __unwind_start+0x51b/0x800
[   88.384946][    C0]  ? create_prof_cpu_mask+0x20/0x20
[   88.390133][    C0]  arch_stack_walk+0x7d/0xe0
[   88.394742][    C0]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[   88.400812][    C0]  stack_trace_save+0x8c/0xc0
[   88.405496][    C0]  ? stack_trace_consume_entry+0x160/0x160
[   88.411297][    C0]  ? __kmalloc_node_track_caller+0x38/0x60
[   88.417089][    C0]  ? tcp_sendmsg+0x2b/0x40
[   88.421497][    C0]  ? inet_sendmsg+0x99/0xe0
[   88.425993][    C0]  ? sock_sendmsg+0xcf/0x120
[   88.430578][    C0]  ? sock_write_iter+0x289/0x3c0
[   88.435511][    C0]  ? new_sync_write+0x426/0x650
[   88.440380][    C0]  ? vfs_write+0x75a/0xa40
[   88.444800][    C0]  ? ksys_write+0x1ee/0x250
[   88.449294][    C0]  ? do_syscall_64+0x35/0xb0
[   88.453870][    C0]  kasan_save_stack+0x1b/0x40
[   88.458529][    C0]  ? kasan_save_stack+0x1b/0x40
[   88.463360][    C0]  ? __kasan_kmalloc+0x98/0xc0
[   88.468106][    C0]  ? __alloc_skb+0xde/0x340
[   88.472604][    C0]  ? sk_stream_alloc_skb+0x109/0xc30
[   88.477873][    C0]  ? tcp_sendmsg_locked+0xc00/0x2e60
[   88.483142][    C0]  ? tcp_sendmsg+0x2b/0x40
[   88.487545][    C0]  ? inet_sendmsg+0x99/0xe0
[   88.492051][    C0]  ? sock_sendmsg+0xcf/0x120
[   88.496625][    C0]  ? sock_write_iter+0x289/0x3c0
[   88.501546][    C0]  ? new_sync_write+0x426/0x650
[   88.506393][    C0]  ? vfs_write+0x75a/0xa40
[   88.510806][    C0]  ? ksys_write+0x1ee/0x250
[   88.515292][    C0]  ? do_syscall_64+0x35/0xb0
[   88.519880][    C0]  ? cache_alloc_refill+0x30d/0x380
[   88.525066][    C0]  ? lock_downgrade+0x6e0/0x6e0
[   88.529914][    C0]  ? find_held_lock+0x2d/0x110
[   88.534662][    C0]  ? rcu_read_lock_sched_held+0x3a/0x70
[   88.540194][    C0]  ? kmem_cache_alloc_node_trace+0x42a/0x5d0
[   88.546183][    C0]  ? rcu_read_lock_sched_held+0x3a/0x70
[   88.551717][    C0]  __kasan_kmalloc+0x98/0xc0
[   88.556311][    C0]  __alloc_skb+0xde/0x340
[   88.560638][    C0]  sk_stream_alloc_skb+0x109/0xc30
[   88.565735][    C0]  ? tcp_send_mss+0x164/0x2b0
[   88.570406][    C0]  ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[   88.576110][    C0]  tcp_sendmsg_locked+0xc00/0x2e60
[   88.581248][    C0]  ? lock_downgrade+0x6e0/0x6e0
[   88.586089][    C0]  ? tcp_remove_empty_skb+0x8a0/0x8a0
[   88.591462][    C0]  ? mark_held_locks+0x9f/0xe0
[   88.596219][    C0]  ? __local_bh_enable_ip+0xa0/0x120
[   88.601492][    C0]  tcp_sendmsg+0x2b/0x40
[   88.605730][    C0]  inet_sendmsg+0x99/0xe0
[   88.610087][    C0]  ? inet_send_prepare+0x4e0/0x4e0
[   88.615216][    C0]  sock_sendmsg+0xcf/0x120
[   88.619617][    C0]  sock_write_iter+0x289/0x3c0
[   88.624368][    C0]  ? sock_sendmsg+0x120/0x120
[   88.629057][    C0]  ? file_has_perm+0x25a/0x340
[   88.633818][    C0]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   88.640049][    C0]  new_sync_write+0x426/0x650
[   88.644751][    C0]  ? new_sync_read+0x6e0/0x6e0
[   88.649541][    C0]  ? selinux_file_permission+0x36/0x520
[   88.655091][    C0]  vfs_write+0x75a/0xa40
[   88.659322][    C0]  ksys_write+0x1ee/0x250
[   88.663667][    C0]  ? __ia32_sys_read+0xb0/0xb0
[   88.668429][    C0]  ? syscall_enter_from_user_mode+0x21/0x70
[   88.674312][    C0]  do_syscall_64+0x35/0xb0
[   88.678712][    C0]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   88.684591][    C0] RIP: 0033:0x7f045de9a970
[   88.688992][    C0] Code: 73 01 c3 48 8b 0d 28 d5 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 99 2d 2c 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 7e 9b 01 00 48 89 04 24
[   88.708611][    C0] RSP: 002b:00007ffd0d6f2958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   88.717014][    C0] RAX: ffffffffffffffda RBX: 0000000000000048 RCX: 00007f045de9a970
[   88.724974][    C0] RDX: 0000000000000048 RSI: 000056259510f478 RDI: 0000000000000003
[   88.732933][    C0] RBP: 000056259510ce90 R08: 0000000000000058 R09: 00007ffd0d783080
[   88.740981][    C0] R10: 00007ffd0d7830f0 R11: 0000000000000246 R12: 0000000000000001
[   88.749028][    C0] R13: 00007ffd0d6f29ef R14: 0000562593e7bbe7 R15: 0000000000000003
[   88.757001][    C0] 
[   88.759311][    C0] Allocated by task 3159:
[   88.763617][    C0]  kasan_save_stack+0x1b/0x40
[   88.768283][    C0]  __kasan_kmalloc+0x98/0xc0
[   88.772855][    C0]  kmem_cache_alloc_trace+0x1e4/0x480
[   88.778294][    C0]  si470x_usb_driver_probe+0x51/0xf90
[   88.783874][    C0]  usb_probe_interface+0x315/0x7f0
[   88.789000][    C0]  really_probe+0x23c/0xcd0
[   88.793497][    C0]  __driver_probe_device+0x338/0x4d0
[   88.798788][    C0]  driver_probe_device+0x4c/0x1a0
[   88.803889][    C0]  __device_attach_driver+0x20b/0x2f0
[   88.809253][    C0]  bus_for_each_drv+0x15f/0x1e0
[   88.814132][    C0]  __device_attach+0x228/0x4a0
[   88.818886][    C0]  bus_probe_device+0x1e4/0x290
[   88.823738][    C0]  device_add+0xc2f/0x2180
[   88.828143][    C0]  usb_set_configuration+0x113a/0x1910
[   88.833585][    C0]  usb_generic_driver_probe+0xba/0x100
[   88.839059][    C0]  usb_probe_device+0xd9/0x2c0
[   88.843839][    C0]  really_probe+0x23c/0xcd0
[   88.848337][    C0]  __driver_probe_device+0x338/0x4d0
[   88.853650][    C0]  driver_probe_device+0x4c/0x1a0
[   88.858735][    C0]  __device_attach_driver+0x20b/0x2f0
[   88.864092][    C0]  bus_for_each_drv+0x15f/0x1e0
[   88.868930][    C0]  __device_attach+0x228/0x4a0
[   88.873682][    C0]  bus_probe_device+0x1e4/0x290
[   88.878535][    C0]  device_add+0xc2f/0x2180
[   88.882956][    C0]  usb_new_device.cold+0x63f/0x108e
[   88.888139][    C0]  hub_event+0x2357/0x4330
[   88.892593][    C0]  process_one_work+0x98d/0x1630
[   88.897520][    C0]  worker_thread+0x658/0x11f0
[   88.902183][    C0]  kthread+0x3e5/0x4d0
[   88.906275][    C0]  ret_from_fork+0x1f/0x30
[   88.910675][    C0] 
[   88.912977][    C0] Freed by task 3159:
[   88.916932][    C0]  kasan_save_stack+0x1b/0x40
[   88.921592][    C0]  kasan_set_track+0x1c/0x30
[   88.926163][    C0]  kasan_set_free_info+0x20/0x30
[   88.931080][    C0]  __kasan_slab_free+0xcd/0x100
[   88.936034][    C0]  kfree+0x106/0x2c0
[   88.939918][    C0]  si470x_usb_driver_probe+0xb3d/0xf90
[   88.945375][    C0]  usb_probe_interface+0x315/0x7f0
[   88.950492][    C0]  really_probe+0x23c/0xcd0
[   88.955004][    C0]  __driver_probe_device+0x338/0x4d0
[   88.960294][    C0]  driver_probe_device+0x4c/0x1a0
[   88.965303][    C0]  __device_attach_driver+0x20b/0x2f0
[   88.970658][    C0]  bus_for_each_drv+0x15f/0x1e0
[   88.975501][    C0]  __device_attach+0x228/0x4a0
[   88.980246][    C0]  bus_probe_device+0x1e4/0x290
[   88.985077][    C0]  device_add+0xc2f/0x2180
[   88.989474][    C0]  usb_set_configuration+0x113a/0x1910
[   88.994913][    C0]  usb_generic_driver_probe+0xba/0x100
[   89.000361][    C0]  usb_probe_device+0xd9/0x2c0
[   89.005126][    C0]  really_probe+0x23c/0xcd0
[   89.009615][    C0]  __driver_probe_device+0x338/0x4d0
[   89.014884][    C0]  driver_probe_device+0x4c/0x1a0
[   89.019889][    C0]  __device_attach_driver+0x20b/0x2f0
[   89.025243][    C0]  bus_for_each_drv+0x15f/0x1e0
[   89.030092][    C0]  __device_attach+0x228/0x4a0
[   89.034839][    C0]  bus_probe_device+0x1e4/0x290
[   89.039671][    C0]  device_add+0xc2f/0x2180
[   89.044068][    C0]  usb_new_device.cold+0x63f/0x108e
[   89.049253][    C0]  hub_event+0x2357/0x4330
[   89.053662][    C0]  process_one_work+0x98d/0x1630
[   89.058586][    C0]  worker_thread+0x658/0x11f0
[   89.063246][    C0]  kthread+0x3e5/0x4d0
[   89.067296][    C0]  ret_from_fork+0x1f/0x30
[   89.071705][    C0] 
[   89.074009][    C0] The buggy address belongs to the object at ffff888037360000
[   89.074009][    C0]  which belongs to the cache kmalloc-4k of size 4096
[   89.088051][    C0] The buggy address is located 2880 bytes inside of
[   89.088051][    C0]  4096-byte region [ffff888037360000, ffff888037361000)
[   89.101496][    C0] The buggy address belongs to the page:
[   89.107104][    C0] page:ffffea0000dcd800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x37360
[   89.117234][    C0] head:ffffea0000dcd800 order:1 compound_mapcount:0
[   89.123811][    C0] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[   89.131794][    C0] raw: 00fff00000010200 ffffea0000c45908 ffffea0000bb1508 ffff888010840900
[   89.140359][    C0] raw: 0000000000000000 ffff888037360000 0000000100000001 0000000000000000
[   89.148919][    C0] page dumped because: kasan: bad access detected
[   89.155308][    C0] page_owner tracks the page as allocated
[   89.160999][    C0] page last allocated via order 1, migratetype Unmovable, gfp_mask 0x2420c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_COMP|__GFP_THISNODE), pid 3159, ts 84444838096, free_ts 84301687828
[   89.178778][    C0]  get_page_from_freelist+0xa72/0x2f80
[   89.184233][    C0]  __alloc_pages+0x1b2/0x500
[   89.188817][    C0]  cache_grow_begin+0x75/0x460
[   89.193584][    C0]  cache_alloc_refill+0x27f/0x380
[   89.198592][    C0]  kmem_cache_alloc_trace+0x38c/0x480
[   89.203943][    C0]  si470x_usb_driver_probe+0x51/0xf90
[   89.209312][    C0]  usb_probe_interface+0x315/0x7f0
[   89.214406][    C0]  really_probe+0x23c/0xcd0
[   89.218893][    C0]  __driver_probe_device+0x338/0x4d0
[   89.224170][    C0]  driver_probe_device+0x4c/0x1a0
[   89.229175][    C0]  __device_attach_driver+0x20b/0x2f0
[   89.234529][    C0]  bus_for_each_drv+0x15f/0x1e0
[   89.239361][    C0]  __device_attach+0x228/0x4a0
[   89.244108][    C0]  bus_probe_device+0x1e4/0x290
[   89.248954][    C0]  device_add+0xc2f/0x2180
[   89.253368][    C0]  usb_set_configuration+0x113a/0x1910
[   89.258811][    C0] page last free stack trace:
[   89.263481][    C0]  free_pcp_prepare+0x2c5/0x780
[   89.268332][    C0]  free_unref_page+0x19/0x690
[   89.272991][    C0]  slabs_destroy+0x89/0xc0
[   89.277387][    C0]  ___cache_free+0x4ba/0x600
[   89.281961][    C0]  qlist_free_all+0x4e/0x110
[   89.286534][    C0]  kasan_quarantine_reduce+0x180/0x200
[   89.291996][    C0]  __kasan_slab_alloc+0x8b/0xa0
[   89.296847][    C0]  __kmalloc+0x284/0x4d0
[   89.301070][    C0]  tomoyo_realpath_from_path+0xc3/0x620
[   89.306609][    C0]  tomoyo_path_number_perm+0x1d5/0x590
[   89.312052][    C0]  security_file_ioctl+0x50/0xb0
[   89.316974][    C0]  __x64_sys_ioctl+0xb3/0x200
[   89.321632][    C0]  do_syscall_64+0x35/0xb0
[   89.326033][    C0]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   89.331910][    C0] 
[   89.334212][    C0] Memory state around the buggy address:
[   89.339826][    C0]  ffff888037360a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   89.347872][    C0]  ffff888037360a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   89.355916][    C0] >ffff888037360b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   89.363954][    C0]                                            ^
[   89.370085][    C0]  ffff888037360b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   89.378143][    C0]  ffff888037360c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   89.386298][    C0] ==================================================================
[   89.394343][    C0] Disabling lock debugging due to kernel taint
[   89.400474][    C0] Kernel panic - not syncing: panic_on_warn set ...
[   89.407104][    C0] CPU: 0 PID: 8448 Comm: sshd Tainted: G    B             5.14.0-rc1-syzkaller #0
[   89.416455][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   89.426490][    C0] Call Trace:
[   89.429762][    C0]  <IRQ>
[   89.432591][    C0]  dump_stack_lvl+0xcd/0x134
[   89.437172][    C0]  panic+0x306/0x73d
[   89.441046][    C0]  ? __warn_printk+0xf3/0xf3
[   89.445617][    C0]  ? si470x_int_in_callback.cold+0x96/0xbf
[   89.451405][    C0]  ? si470x_int_in_callback.cold+0x96/0xbf
[   89.457196][    C0]  end_report.cold+0x5a/0x5a
[   89.461786][    C0]  kasan_report.cold+0x71/0xdf
[   89.466544][    C0]  ? si470x_int_in_callback.cold+0x96/0xbf
[   89.472349][    C0]  si470x_int_in_callback.cold+0x96/0xbf
[   89.477962][    C0]  ? __usb_hcd_giveback_urb+0x413/0x5c0
[   89.483629][    C0]  ? lock_downgrade+0x6e0/0x6e0
[   89.488514][    C0]  ? si470x_fops_read+0x790/0x790
[   89.493537][    C0]  __usb_hcd_giveback_urb+0x2b0/0x5c0
[   89.498902][    C0]  usb_hcd_giveback_urb+0x367/0x410
[   89.504084][    C0]  dummy_timer+0x11f9/0x32b0
[   89.508667][    C0]  ? lockdep_hardirqs_on_prepare+0x400/0x400
[   89.514631][    C0]  ? lock_chain_count+0x20/0x20
[   89.519465][    C0]  ? dummy_dequeue+0x500/0x500
[   89.524207][    C0]  ? dummy_dequeue+0x500/0x500
[   89.528962][    C0]  call_timer_fn+0x1a5/0x6b0
[   89.533535][    C0]  ? add_timer_on+0x4a0/0x4a0
[   89.538202][    C0]  ? _raw_spin_unlock_irq+0x1f/0x40
[   89.543383][    C0]  ? dummy_dequeue+0x500/0x500
[   89.548125][    C0]  __run_timers.part.0+0x675/0xa50
[   89.553219][    C0]  ? call_timer_fn+0x6b0/0x6b0
[   89.557975][    C0]  ? lapic_next_event+0x4d/0x80
[   89.562814][    C0]  run_timer_softirq+0xb3/0x1d0
[   89.567658][    C0]  __do_softirq+0x29b/0x9c2
[   89.572144][    C0]  __irq_exit_rcu+0x16e/0x1c0
[   89.576800][    C0]  irq_exit_rcu+0x5/0x20
[   89.581023][    C0]  sysvec_apic_timer_interrupt+0x93/0xc0
[   89.586728][    C0]  </IRQ>
[   89.589649][    C0]  asm_sysvec_apic_timer_interrupt+0x12/0x20
[   89.595623][    C0] RIP: 0010:deref_stack_reg+0x105/0x150
[   89.601168][    C0] Code: 00 00 00 00 00 fc ff df 48 89 d9 48 89 ef e8 12 f9 ff ff 48 c1 e9 03 80 3c 11 00 75 31 48 89 03 b8 01 00 00 00 48 83 c4 08 5b <5d> 41 5c 41 5d c3 e8 f0 fb 86 00 e9 1f ff ff ff e8 f6 fb 86 00 e9
[   89.620754][    C0] RSP: 0018:ffffc90001d47508 EFLAGS: 00000296
[   89.626815][    C0] RAX: 0000000000000001 RBX: 1ffff920003a8ead RCX: 1ffff920003a8ec9
[   89.634767][    C0] RDX: dffffc0000000000 RSI: ffffc90001d47f50 RDI: ffffc90001d47f50
[   89.642722][    C0] RBP: ffffc90001d47f50 R08: ffffffff8e7c4608 R09: 0000000000000001
[   89.650680][    C0] R10: fffff520003a8ecb R11: 0000000000086088 R12: ffffc90001d47600
[   89.658645][    C0] R13: ffffc90001d40000 R14: ffffc90001d47600 R15: ffffffff8e7c460c
[   89.666601][    C0]  unwind_next_frame+0xcc3/0x1ce0
[   89.671621][    C0]  ? do_syscall_64+0x35/0xb0
[   89.676209][    C0]  ? deref_stack_reg+0x150/0x150
[   89.681135][    C0]  ? __unwind_start+0x51b/0x800
[   89.685974][    C0]  ? create_prof_cpu_mask+0x20/0x20
[   89.691156][    C0]  arch_stack_walk+0x7d/0xe0
[   89.695733][    C0]  ? entry_SYSCALL_64_after_hwframe+0x44/0xae
[   89.701786][    C0]  stack_trace_save+0x8c/0xc0
[   89.706446][    C0]  ? stack_trace_consume_entry+0x160/0x160
[   89.712244][    C0]  ? __kmalloc_node_track_caller+0x38/0x60
[   89.718124][    C0]  ? tcp_sendmsg+0x2b/0x40
[   89.722536][    C0]  ? inet_sendmsg+0x99/0xe0
[   89.727022][    C0]  ? sock_sendmsg+0xcf/0x120
[   89.731592][    C0]  ? sock_write_iter+0x289/0x3c0
[   89.736512][    C0]  ? new_sync_write+0x426/0x650
[   89.741359][    C0]  ? vfs_write+0x75a/0xa40
[   89.745757][    C0]  ? ksys_write+0x1ee/0x250
[   89.750255][    C0]  ? do_syscall_64+0x35/0xb0
[   89.754836][    C0]  kasan_save_stack+0x1b/0x40
[   89.759502][    C0]  ? kasan_save_stack+0x1b/0x40
[   89.764336][    C0]  ? __kasan_kmalloc+0x98/0xc0
[   89.769087][    C0]  ? __alloc_skb+0xde/0x340
[   89.773584][    C0]  ? sk_stream_alloc_skb+0x109/0xc30
[   89.778852][    C0]  ? tcp_sendmsg_locked+0xc00/0x2e60
[   89.784121][    C0]  ? tcp_sendmsg+0x2b/0x40
[   89.788524][    C0]  ? inet_sendmsg+0x99/0xe0
[   89.793010][    C0]  ? sock_sendmsg+0xcf/0x120
[   89.797617][    C0]  ? sock_write_iter+0x289/0x3c0
[   89.802648][    C0]  ? new_sync_write+0x426/0x650
[   89.807479][    C0]  ? vfs_write+0x75a/0xa40
[   89.811875][    C0]  ? ksys_write+0x1ee/0x250
[   89.816380][    C0]  ? do_syscall_64+0x35/0xb0
[   89.820955][    C0]  ? cache_alloc_refill+0x30d/0x380
[   89.826146][    C0]  ? lock_downgrade+0x6e0/0x6e0
[   89.830978][    C0]  ? find_held_lock+0x2d/0x110
[   89.835736][    C0]  ? rcu_read_lock_sched_held+0x3a/0x70
[   89.841264][    C0]  ? kmem_cache_alloc_node_trace+0x42a/0x5d0
[   89.847223][    C0]  ? rcu_read_lock_sched_held+0x3a/0x70
[   89.852753][    C0]  __kasan_kmalloc+0x98/0xc0
[   89.857324][    C0]  __alloc_skb+0xde/0x340
[   89.861635][    C0]  sk_stream_alloc_skb+0x109/0xc30
[   89.866729][    C0]  ? tcp_send_mss+0x164/0x2b0
[   89.871385][    C0]  ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[   89.877084][    C0]  tcp_sendmsg_locked+0xc00/0x2e60
[   89.882177][    C0]  ? lock_downgrade+0x6e0/0x6e0
[   89.887007][    C0]  ? tcp_remove_empty_skb+0x8a0/0x8a0
[   89.892374][    C0]  ? mark_held_locks+0x9f/0xe0
[   89.897126][    C0]  ? __local_bh_enable_ip+0xa0/0x120
[   89.902405][    C0]  tcp_sendmsg+0x2b/0x40
[   89.906629][    C0]  inet_sendmsg+0x99/0xe0
[   89.910940][    C0]  ? inet_send_prepare+0x4e0/0x4e0
[   89.916046][    C0]  sock_sendmsg+0xcf/0x120
[   89.920443][    C0]  sock_write_iter+0x289/0x3c0
[   89.925214][    C0]  ? sock_sendmsg+0x120/0x120
[   89.929889][    C0]  ? file_has_perm+0x25a/0x340
[   89.934633][    C0]  ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[   89.940869][    C0]  new_sync_write+0x426/0x650
[   89.945533][    C0]  ? new_sync_read+0x6e0/0x6e0
[   89.950278][    C0]  ? selinux_file_permission+0x36/0x520
[   89.955981][    C0]  vfs_write+0x75a/0xa40
[   89.960217][    C0]  ksys_write+0x1ee/0x250
[   89.964534][    C0]  ? __ia32_sys_read+0xb0/0xb0
[   89.969280][    C0]  ? syscall_enter_from_user_mode+0x21/0x70
[   89.975173][    C0]  do_syscall_64+0x35/0xb0
[   89.979568][    C0]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   89.985442][    C0] RIP: 0033:0x7f045de9a970
[   89.989838][    C0] Code: 73 01 c3 48 8b 0d 28 d5 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 99 2d 2c 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 7e 9b 01 00 48 89 04 24
[   90.009426][    C0] RSP: 002b:00007ffd0d6f2958 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   90.017837][    C0] RAX: ffffffffffffffda RBX: 0000000000000048 RCX: 00007f045de9a970
[   90.025795][    C0] RDX: 0000000000000048 RSI: 000056259510f478 RDI: 0000000000000003
[   90.033749][    C0] RBP: 000056259510ce90 R08: 0000000000000058 R09: 00007ffd0d783080
[   90.041715][    C0] R10: 00007ffd0d7830f0 R11: 0000000000000246 R12: 0000000000000001
[   90.049679][    C0] R13: 00007ffd0d6f29ef R14: 0000562593e7bbe7 R15: 0000000000000003
[   90.058586][    C0] Kernel Offset: disabled
[   90.062904][    C0] Rebooting in 86400 seconds..