Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts.
2021/04/04 22:42:14 fuzzer started
2021/04/04 22:42:14 dialing manager at 10.128.0.163:38329
2021/04/04 22:42:17 syscalls: 3557
2021/04/04 22:42:17 code coverage: enabled
2021/04/04 22:42:17 comparison tracing: enabled
2021/04/04 22:42:17 extra coverage: enabled
2021/04/04 22:42:17 setuid sandbox: enabled
2021/04/04 22:42:17 namespace sandbox: enabled
2021/04/04 22:42:17 Android sandbox: /sys/fs/selinux/policy does not exist
2021/04/04 22:42:17 fault injection: enabled
2021/04/04 22:42:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2021/04/04 22:42:17 net packet injection: enabled
2021/04/04 22:42:17 net device setup: enabled
2021/04/04 22:42:17 concurrency sanitizer: enabled
2021/04/04 22:42:17 devlink PCI setup: PCI device 0000:00:10.0 is not available
2021/04/04 22:42:17 USB emulation: enabled
2021/04/04 22:42:17 hci packet injection: enabled
2021/04/04 22:42:17 wifi device emulation: enabled
2021/04/04 22:42:17 802.15.4 emulation: enabled
2021/04/04 22:42:19 suppressing KCSAN reports in functions: 'kauditd_thread' 'ext4_writepages' 'ext4_ext_try_to_merge_right' 'do_signal_stop' 'ext4_free_inode' 'blk_mq_rq_ctx_init' 'blk_mq_dispatch_rq_list' 'blk_mq_sched_dispatch_requests' '__send_signal' 'xas_clear_mark' 'ext4_mpage_readpages' 'alloc_pid' 'generic_write_end' 'n_tty_receive_buf_common' 'wbt_done' 'ext4_free_inodes_count' '__add_to_page_cache_locked' '__ext4_new_inode' 'ext4_mark_iloc_dirty' 'wbt_issue' 'do_sys_poll' '__xa_clear_mark' '__filemap_fdatawrite_range' 'exit_mm' 
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[   52.232104][ T8355] ==================================================================
[   52.241247][ T8355] BUG: KCSAN: data-race in __mod_timer / expire_timers
[   52.248089][ T8355] 
[   52.250393][ T8355] write to 0xffff88813bc1b908 of 8 bytes by interrupt on cpu 0:
[   52.258095][ T8355]  expire_timers+0x11e/0x260
[   52.262676][ T8355]  __run_timers+0x358/0x3f0
[   52.267175][ T8355]  run_timer_softirq+0x19/0x30
[   52.271935][ T8355]  __do_softirq+0x13c/0x2c3
[   52.276422][ T8355]  run_ksoftirqd+0x13/0x20
[   52.280844][ T8355]  smpboot_thread_fn+0x34f/0x520
[   52.285780][ T8355]  kthread+0x20b/0x230
[   52.290267][ T8355]  ret_from_fork+0x1f/0x30
[   52.294676][ T8355] 
[   52.296989][ T8355] read to 0xffff88813bc1b908 of 8 bytes by task 8355 on cpu 1:
[   52.304505][ T8355]  __mod_timer+0x44e/0xc10
[   52.308907][ T8355]  mod_timer+0x1b/0x20
[   52.312964][ T8355]  sk_reset_timer+0x1f/0xa0
[   52.317452][ T8355]  tcp_send_delayed_ack+0x23e/0x250
[   52.322635][ T8355]  __tcp_ack_snd_check+0x2f9/0x510
[   52.327726][ T8355]  tcp_rcv_established+0x11f0/0x1330
[   52.332991][ T8355]  tcp_v4_do_rcv+0x278/0x4a0
[   52.337654][ T8355]  __release_sock+0xf5/0x270
[   52.342232][ T8355]  release_sock+0x40/0x110
[   52.346635][ T8355]  tcp_recvmsg+0x153/0x430
[   52.351031][ T8355]  inet_recvmsg+0xa3/0x210
[   52.355423][ T8355]  sock_read_iter+0x19e/0x1e0
[   52.360103][ T8355]  vfs_read+0x565/0x5d0
[   52.364859][ T8355]  ksys_read+0xce/0x180
[   52.369209][ T8355]  __x64_sys_read+0x3e/0x50
[   52.373694][ T8355]  do_syscall_64+0x39/0x80
2021/04/04 22:42:36 fetching corpus: 10458, signal 316789/349773 (executing program)
[   52.378088][ T8355]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   52.383966][ T8355] 
[   52.386321][ T8355] Reported by Kernel Concurrency Sanitizer on:
[   52.392475][ T8355] CPU: 1 PID: 8355 Comm: syz-fuzzer Not tainted 5.12.0-rc6-syzkaller #0
[   52.400783][ T8355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.410821][ T8355] ==================================================================
2021/04/04 22:42:37 fetching corpus: 10508, signal 317087/349773 (executing program)
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2021/04/04 22:42:41 fetching corpus: 13283, signal 346386/350072 (executing program)
2021/04/04 22:42:43 starting 6 fuzzer processes
22:42:43 executing program 0:
r0 = socket$alg(0x26, 0x5, 0x0)
bind$alg(r0, &(0x7f00000003c0)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_nopr_hmac_sha256\x00'}, 0x58)
setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, 0x0, 0x0)
setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000040)="18", 0x1)

22:42:43 executing program 1:
r0 = openat$binder_debug(0xffffffffffffff9c, &(0x7f00000005c0)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x5, 0x5, 0xb5a, 0x2, 0x0, 0xffffffffffffffff, 0x8001, [], 0x0, r0, 0x1, 0x2}, 0x40)

22:42:43 executing program 2:
r0 = socket(0x200000000000011, 0x3, 0x0)
r1 = socket$nl_generic(0x10, 0x3, 0x10)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000003c0)={'netdevsim0\x00', <r2=>0x0})
bind$packet(r0, &(0x7f0000000240)={0x11, 0x0, r2}, 0x14)
getsockname$packet(r0, &(0x7f0000000500)={0x11, 0x0, <r3=>0x0}, &(0x7f0000000040)=0x10eef0f1)
bpf$MAP_CREATE(0x0, &(0x7f00000004c0)={0x1, 0x5, 0x899, 0x2, 0x0, 0xffffffffffffffff, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x4], r3}, 0x3c)

22:42:43 executing program 3:
r0 = syz_open_procfs(0x0, &(0x7f0000000000)='auxv\x00')
read$FUSE(r0, 0x0, 0x0)

22:42:43 executing program 4:
r0 = socket$inet_sctp(0x2, 0x5, 0x84)
getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x84, &(0x7f00000010c0)={0x0, @in={{0x2, 0x0, @empty}}}, &(0x7f0000001180)=0x90)

22:42:44 executing program 5:
syz_io_uring_setup(0x12e7, &(0x7f0000002c80)={0x0, 0x936a, 0xe}, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000ffc000/0x1000)=nil, &(0x7f0000002d00), &(0x7f0000002d40))

[   59.937026][ T8384] IPVS: ftp: loaded support on port[0] = 21
[   60.018372][ T8384] chnl_net:caif_netlink_parms(): no params data found
[   60.047694][ T8384] bridge0: port 1(bridge_slave_0) entered blocking state
[   60.055005][ T8384] bridge0: port 1(bridge_slave_0) entered disabled state
[   60.064003][ T8384] device bridge_slave_0 entered promiscuous mode
[   60.072261][ T8384] bridge0: port 2(bridge_slave_1) entered blocking state
[   60.084376][ T8384] bridge0: port 2(bridge_slave_1) entered disabled state
[   60.092053][ T8384] device bridge_slave_1 entered promiscuous mode
[   60.104184][ T8386] IPVS: ftp: loaded support on port[0] = 21
[   60.130928][ T8384] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   60.143811][ T8384] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   60.170430][ T8384] team0: Port device team_slave_0 added
[   60.178300][ T8384] team0: Port device team_slave_1 added
[   60.192956][ T8384] batman_adv: batadv0: Adding interface: batadv_slave_0
[   60.199923][ T8384] 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.
[   60.228023][ T8384] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   60.259725][ T8384] batman_adv: batadv0: Adding interface: batadv_slave_1
[   60.273172][ T8384] 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.
[   60.300517][ T8384] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   60.324148][ T8388] IPVS: ftp: loaded support on port[0] = 21
[   60.334800][ T8386] chnl_net:caif_netlink_parms(): no params data found
[   60.349437][ T8384] device hsr_slave_0 entered promiscuous mode
[   60.357311][ T8384] device hsr_slave_1 entered promiscuous mode
[   60.436961][ T8390] IPVS: ftp: loaded support on port[0] = 21
[   60.443868][ T8386] bridge0: port 1(bridge_slave_0) entered blocking state
[   60.451112][ T8386] bridge0: port 1(bridge_slave_0) entered disabled state
[   60.473465][ T8386] device bridge_slave_0 entered promiscuous mode
[   60.481135][ T8386] bridge0: port 2(bridge_slave_1) entered blocking state
[   60.488697][ T8386] bridge0: port 2(bridge_slave_1) entered disabled state
[   60.497039][ T8386] device bridge_slave_1 entered promiscuous mode
[   60.519322][ T8386] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   60.561342][ T8386] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   60.596303][ T8384] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   60.612822][ T8392] IPVS: ftp: loaded support on port[0] = 21
[   60.646502][ T8384] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   60.655693][ T8386] team0: Port device team_slave_0 added
[   60.663680][ T8386] team0: Port device team_slave_1 added
[   60.675371][ T8384] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   60.696841][ T8388] chnl_net:caif_netlink_parms(): no params data found
[   60.705091][ T8384] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   60.727800][ T8390] chnl_net:caif_netlink_parms(): no params data found
[   60.763377][ T8386] batman_adv: batadv0: Adding interface: batadv_slave_0
[   60.770342][ T8386] 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.
[   60.796595][ T8386] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   60.808674][ T8386] batman_adv: batadv0: Adding interface: batadv_slave_1
[   60.815682][ T8386] 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.
[   60.841623][ T8386] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   60.864958][ T8384] bridge0: port 2(bridge_slave_1) entered blocking state
[   60.872176][ T8384] bridge0: port 2(bridge_slave_1) entered forwarding state
[   60.879447][ T8384] bridge0: port 1(bridge_slave_0) entered blocking state
[   60.886605][ T8384] bridge0: port 1(bridge_slave_0) entered forwarding state
[   60.921349][ T8388] bridge0: port 1(bridge_slave_0) entered blocking state
[   60.928676][ T8388] bridge0: port 1(bridge_slave_0) entered disabled state
[   60.930854][ T8394] IPVS: ftp: loaded support on port[0] = 21
[   60.937980][ T8388] device bridge_slave_0 entered promiscuous mode
[   60.949693][ T8388] bridge0: port 2(bridge_slave_1) entered blocking state
[   60.957299][ T8388] bridge0: port 2(bridge_slave_1) entered disabled state
[   60.965245][ T8388] device bridge_slave_1 entered promiscuous mode
[   60.973405][ T8386] device hsr_slave_0 entered promiscuous mode
[   60.979814][ T8386] device hsr_slave_1 entered promiscuous mode
[   60.986434][ T8386] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[   60.994260][ T8386] Cannot create hsr debugfs directory
[   61.032610][    T5] bridge0: port 1(bridge_slave_0) entered disabled state
[   61.040243][    T5] bridge0: port 2(bridge_slave_1) entered disabled state
[   61.071007][ T8388] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   61.106373][ T8388] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   61.125006][ T8392] chnl_net:caif_netlink_parms(): no params data found
[   61.138295][ T8390] bridge0: port 1(bridge_slave_0) entered blocking state
[   61.145986][ T8390] bridge0: port 1(bridge_slave_0) entered disabled state
[   61.153850][ T8390] device bridge_slave_0 entered promiscuous mode
[   61.162041][ T8390] bridge0: port 2(bridge_slave_1) entered blocking state
[   61.169077][ T8390] bridge0: port 2(bridge_slave_1) entered disabled state
[   61.177207][ T8390] device bridge_slave_1 entered promiscuous mode
[   61.184428][ T8388] team0: Port device team_slave_0 added
[   61.200511][ T8390] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   61.229848][ T8384] 8021q: adding VLAN 0 to HW filter on device bond0
[   61.238646][ T8388] team0: Port device team_slave_1 added
[   61.250924][ T8390] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   61.285810][ T8390] team0: Port device team_slave_0 added
[   61.292918][ T8390] team0: Port device team_slave_1 added
[   61.303869][ T8388] batman_adv: batadv0: Adding interface: batadv_slave_0
[   61.310814][ T8388] 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.
[   61.337136][ T8388] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   61.350899][ T8388] batman_adv: batadv0: Adding interface: batadv_slave_1
[   61.358125][ T8388] 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.
[   61.384488][ T8388] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   61.404509][ T8394] chnl_net:caif_netlink_parms(): no params data found
[   61.436846][ T8770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[   61.444810][ T8770] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   61.452870][ T8390] batman_adv: batadv0: Adding interface: batadv_slave_0
[   61.459813][ T8390] 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.
[   61.486227][ T8390] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   61.499465][ T8390] batman_adv: batadv0: Adding interface: batadv_slave_1
[   61.507450][ T8390] 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.
[   61.533933][ T8390] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   61.560734][ T8388] device hsr_slave_0 entered promiscuous mode
[   61.569177][ T8388] device hsr_slave_1 entered promiscuous mode
[   61.575792][ T8388] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[   61.583493][ T8388] Cannot create hsr debugfs directory
[   61.595327][ T8392] bridge0: port 1(bridge_slave_0) entered blocking state
[   61.602439][ T8392] bridge0: port 1(bridge_slave_0) entered disabled state
[   61.609830][ T8392] device bridge_slave_0 entered promiscuous mode
[   61.618187][ T8384] 8021q: adding VLAN 0 to HW filter on device team0
[   61.627344][ T8390] device hsr_slave_0 entered promiscuous mode
[   61.633970][ T8390] device hsr_slave_1 entered promiscuous mode
[   61.640430][ T8390] debugfs: Directory 'hsr0' with parent 'hsr' already present!
[   61.648649][ T8390] Cannot create hsr debugfs directory
[   61.665689][ T8392] bridge0: port 2(bridge_slave_1) entered blocking state
[   61.672821][ T8392] bridge0: port 2(bridge_slave_1) entered disabled state
[   61.680399][ T8392] device bridge_slave_1 entered promiscuous mode
[   61.690988][ T8386] netdevsim netdevsim1 netdevsim0: renamed from eth0
[   61.725320][ T8394] bridge0: port 1(bridge_slave_0) entered blocking state
[   61.733712][ T8394] bridge0: port 1(bridge_slave_0) entered disabled state
[   61.741507][ T8394] device bridge_slave_0 entered promiscuous mode
[   61.749369][ T8394] bridge0: port 2(bridge_slave_1) entered blocking state
[   61.756557][ T8394] bridge0: port 2(bridge_slave_1) entered disabled state
[   61.764511][ T8394] device bridge_slave_1 entered promiscuous mode
[   61.771157][ T8386] netdevsim netdevsim1 netdevsim1: renamed from eth1
[   61.782793][   T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[   61.791146][   T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   61.799899][   T19] bridge0: port 1(bridge_slave_0) entered blocking state
[   61.806975][   T19] bridge0: port 1(bridge_slave_0) entered forwarding state
[   61.816170][ T8392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   61.836049][ T8386] netdevsim netdevsim1 netdevsim2: renamed from eth2
[   61.848575][ T8392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   61.873089][ T8394] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   61.882903][ T8392] team0: Port device team_slave_0 added
[   61.889201][ T8043] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   61.897777][ T8043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   61.906220][ T8043] bridge0: port 2(bridge_slave_1) entered blocking state
[   61.913290][ T8043] bridge0: port 2(bridge_slave_1) entered forwarding state
[   61.933715][ T8386] netdevsim netdevsim1 netdevsim3: renamed from eth3
[   61.946482][ T8394] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   61.959445][ T8392] team0: Port device team_slave_1 added
[   61.970198][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   61.980250][    T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   61.989540][    T7] Bluetooth: hci0: command 0x0409 tx timeout
[   61.999327][ T8390] netdevsim netdevsim3 netdevsim0: renamed from eth0
[   62.014829][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   62.023337][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   62.032699][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   62.041010][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   62.049949][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   62.058599][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   62.067397][   T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   62.076088][ T8394] team0: Port device team_slave_0 added
[   62.085211][ T8394] team0: Port device team_slave_1 added
[   62.094441][ T8390] netdevsim netdevsim3 netdevsim1: renamed from eth1
[   62.105367][ T8390] netdevsim netdevsim3 netdevsim2: renamed from eth2
[   62.116218][ T8392] batman_adv: batadv0: Adding interface: batadv_slave_0
[   62.124011][ T8392] 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.
[   62.141637][ T4811] Bluetooth: hci1: command 0x0409 tx timeout
[   62.150087][ T8392] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   62.168218][ T8392] batman_adv: batadv0: Adding interface: batadv_slave_1
[   62.175491][ T8392] 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.
[   62.201636][ T8392] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   62.224615][ T8390] netdevsim netdevsim3 netdevsim3: renamed from eth3
[   62.236280][ T8384] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network