[  OK  ] Reached target Login Prompts.
[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts.
2021/01/25 23:00:48 fuzzer started
2021/01/25 23:00:49 dialing manager at 10.128.0.105:43737
2021/01/25 23:00:49 syscalls: 3466
2021/01/25 23:00:49 code coverage: enabled
2021/01/25 23:00:49 comparison tracing: enabled
2021/01/25 23:00:49 extra coverage: enabled
2021/01/25 23:00:49 setuid sandbox: enabled
2021/01/25 23:00:49 namespace sandbox: enabled
2021/01/25 23:00:49 Android sandbox: /sys/fs/selinux/policy does not exist
2021/01/25 23:00:49 fault injection: enabled
2021/01/25 23:00:49 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2021/01/25 23:00:49 net packet injection: enabled
2021/01/25 23:00:49 net device setup: enabled
2021/01/25 23:00:49 concurrency sanitizer: enabled
2021/01/25 23:00:49 devlink PCI setup: PCI device 0000:00:10.0 is not available
2021/01/25 23:00:49 USB emulation: enabled
2021/01/25 23:00:49 hci packet injection: enabled
2021/01/25 23:00:49 wifi device emulation: enabled
2021/01/25 23:00:51 suppressing KCSAN reports in functions: 'dd_has_work' 'wbt_done' 'audit_log_start' '__ext4_new_inode' 'do_signal_stop' 'bpf_lru_pop_free' 'ext4_sync_file' 'fifo_open' 'blk_mq_dispatch_rq_list' 'ext4_free_inodes_count' 'dev_get_tstats64' 'blk_mq_sched_dispatch_requests' 'kauditd_thread' 'generic_write_end' 'generic_file_buffered_read' 'ext4_mb_regular_allocator' '__add_to_page_cache_locked' 'atime_needs_update' '__xa_clear_mark' 'attach_to_pi_owner' 'alloc_pid' 'find_get_pages_range_tag' '__filemap_fdatawrite_range' '__delete_from_page_cache' 'expire_timers' 'n_tty_receive_buf_common' 'futex_wait_queue_me' 'ext4_free_inode' 'do_nanosleep' 'do_sys_poll' 'pcpu_alloc' 'capable' 'blk_mq_rq_ctx_init' 
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2021/01/25 23:01:33 starting 6 fuzzer processes
23:01:33 executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
bind$unix(r0, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc)
listen(r0, 0x3f)
r1 = socket$unix(0x1, 0x5, 0x0)
connect(r1, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc)
r2 = socket$unix(0x1, 0x5, 0x0)
connect(r2, &(0x7f0000931ff4)=@un=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc)
sendmsg$unix(r2, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="18000000000000000100000001000000", @ANYRES64=r0], 0x18}, 0x0)
connect$unix(r1, &(0x7f0000000200)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)

23:01:33 executing program 1:
r0 = syz_open_dev$binderN(&(0x7f00000004c0)='/dev/binder#\x00', 0x0, 0x0)
ioctl$BINDER_WRITE_READ(r0, 0xc018620c, &(0x7f0000000140)={0x1000000000000, 0x0, &(0x7f0000000040), 0x0, 0x0, 0x0})

23:01:33 executing program 2:
set_mempolicy(0x1, 0x0, 0x0)
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000800)=@newqdisc={0x860, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_tbf={{0x8, 0x1, 'tbf\x00'}, {0x834, 0x2, [@TCA_TBF_PTAB={0x404, 0x3, [0x4]}, @TCA_TBF_PARMS={0x28, 0x1, {{0xf9, 0x0, 0x0, 0x0, 0x0, 0x3}, {0x3, 0x0, 0x0, 0x0, 0x0, 0x6}}}, @TCA_TBF_RTAB={0x404, 0x2, [0xda]}]}}]}, 0x860}}, 0x0)

23:01:33 executing program 3:
r0 = socket$nl_netfilter(0x10, 0x3, 0xc)
sendmsg$IPSET_CMD_CREATE(r0, &(0x7f00000000c0)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f0000000040)={0x58, 0x2, 0x6, 0x401, 0x0, 0x0, {}, [@IPSET_ATTR_REVISION={0x5}, @IPSET_ATTR_SETNAME={0x9, 0x2, 'syz0\x00'}, @IPSET_ATTR_PROTOCOL={0x5, 0x1, 0x6}, @IPSET_ATTR_FAMILY={0x5, 0x5, 0xa}, @IPSET_ATTR_TYPENAME={0x12, 0x3, 'hash:net,port\x00'}, @IPSET_ATTR_DATA={0xc, 0x7, 0x0, 0x1, [@IPSET_ATTR_CADT_FLAGS={0x8, 0x11}]}]}, 0x58}}, 0x0)

23:01:33 executing program 4:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x0)
r3 = socket(0x10, 0x803, 0x0)
sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0xfffffde9}}, 0x0)
getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, <r4=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14)
sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="4800000010000507000000000000000031ec0000", @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000240)=@newqdisc={0x48, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8, 0x1, 'htb\x00'}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18}]}}]}, 0x48}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000800)=@newtfilter={0x44, 0x2c, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r4, {0x2}, {}, {0xb}}, [@filter_kind_options=@f_u32={{0x8, 0x1, 'u32\x00'}, {0x18, 0x2, [@TCA_U32_SEL={0x14, 0x5, {0x0, 0x0, 0x2}}]}}]}, 0x44}}, 0x0)

23:01:33 executing program 5:
r0 = socket$inet(0x2, 0xa, 0x0)
ioctl$sock_inet_SIOCDELRT(r0, 0x5411, 0x0)

syzkaller login: [   76.107769][ T8451] ==================================================================
[   76.115868][ T8451] BUG: KCSAN: data-race in __hci_req_sync / hci_req_sync_complete
[   76.123692][ T8451] 
[   76.126048][ T8451] write to 0xffff888105e14a78 of 4 bytes by task 2041 on cpu 0:
[   76.133706][ T8451]  hci_req_sync_complete+0x5c/0x110
[   76.138905][ T8451]  hci_event_packet+0x3a87/0xffb0
[   76.143924][ T8451]  hci_rx_work+0x334/0x490
[   76.148342][ T8451]  process_one_work+0x3e1/0x950
[   76.153204][ T8451]  worker_thread+0x64a/0xaa0
[   76.157813][ T8451]  kthread+0x1fd/0x220
[   76.161885][ T8451]  ret_from_fork+0x1f/0x30
[   76.166302][ T8451] 
[   76.168612][ T8451] read to 0xffff888105e14a78 of 4 bytes by task 8451 on cpu 1:
[   76.176141][ T8451]  __hci_req_sync+0xdc/0x420
[   76.180735][ T8451]  hci_req_sync+0x71/0x90
[   76.185064][ T8451]  hci_dev_cmd+0x244/0x590
[   76.189465][ T8451]  hci_sock_ioctl+0x2e3/0x630
[   76.194165][ T8451]  sock_do_ioctl+0x4d/0x210
[   76.199538][ T8451]  sock_ioctl+0x321/0x510
[   76.203848][ T8451]  __se_sys_ioctl+0xcb/0x140
[   76.208453][ T8451]  __x64_sys_ioctl+0x3f/0x50
[   76.213025][ T8451]  do_syscall_64+0x39/0x80
[   76.217424][ T8451]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   76.223295][ T8451] 
[   76.225598][ T8451] Reported by Kernel Concurrency Sanitizer on:
[   76.231730][ T8451] CPU: 1 PID: 8451 Comm: syz-executor.0 Not tainted 5.11.0-rc5-syzkaller #0
[   76.240391][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   76.250424][ T8451] ==================================================================
[   76.258472][ T8451] Kernel panic - not syncing: panic_on_warn set ...
[   76.265031][ T8451] CPU: 1 PID: 8451 Comm: syz-executor.0 Not tainted 5.11.0-rc5-syzkaller #0
[   76.273681][ T8451] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   76.283737][ T8451] Call Trace:
[   76.287023][ T8451]  dump_stack+0x116/0x15d
[   76.291347][ T8451]  panic+0x1e7/0x5fa
[   76.295248][ T8451]  ? vprintk_emit+0x2e2/0x360
[   76.299926][ T8451]  kcsan_report+0x67b/0x680
[   76.309213][ T8451]  ? kcsan_setup_watchpoint+0x47b/0x4e0
[   76.314761][ T8451]  ? __hci_req_sync+0xdc/0x420
[   76.319526][ T8451]  ? hci_req_sync+0x71/0x90
[   76.324035][ T8451]  ? hci_dev_cmd+0x244/0x590
[   76.328815][ T8451]  ? hci_sock_ioctl+0x2e3/0x630
[   76.333920][ T8451]  ? sock_do_ioctl+0x4d/0x210
[   76.338592][ T8451]  ? sock_ioctl+0x321/0x510
[   76.343213][ T8451]  ? __se_sys_ioctl+0xcb/0x140
[   76.347971][ T8451]  ? __x64_sys_ioctl+0x3f/0x50
[   76.352736][ T8451]  ? do_syscall_64+0x39/0x80
[   76.357423][ T8451]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   76.363501][ T8451]  ? __queue_work+0x7ca/0xa90
[   76.368177][ T8451]  kcsan_setup_watchpoint+0x47b/0x4e0
[   76.373539][ T8451]  __hci_req_sync+0xdc/0x420
[   76.378152][ T8451]  ? __srcu_read_unlock+0x1f/0x40
[   76.383178][ T8451]  ? hci_encrypt_req+0x70/0x70
[   76.387948][ T8451]  hci_req_sync+0x71/0x90
[   76.392278][ T8451]  hci_dev_cmd+0x244/0x590
[   76.396698][ T8451]  hci_sock_ioctl+0x2e3/0x630
[   76.401363][ T8451]  sock_do_ioctl+0x4d/0x210
[   76.405855][ T8451]  ? emulate_vsyscall+0x534/0xd20
[   76.410876][ T8451]  ? __rcu_read_unlock+0x51/0x250
[   76.415907][ T8451]  ? sock_poll+0x260/0x260
[   76.420312][ T8451]  sock_ioctl+0x321/0x510
[   76.424640][ T8451]  ? tomoyo_file_ioctl+0x1c/0x20
[   76.429567][ T8451]  ? sock_poll+0x260/0x260
[   76.434070][ T8451]  __se_sys_ioctl+0xcb/0x140
[   76.438668][ T8451]  __x64_sys_ioctl+0x3f/0x50
[   76.443262][ T8451]  do_syscall_64+0x39/0x80
[   76.447674][ T8451]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   76.453569][ T8451] RIP: 0033:0x45e087
[   76.457460][ T8451] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 6d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
[   76.477158][ T8451] RSP: 002b:00007ffc8470ea18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[   76.485602][ T8451] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e087
[   76.493564][ T8451] RDX: 00007ffc8470ea30 RSI: 00000000400448dd RDI: 0000000000000003
[   76.501530][ T8451] RBP: 00007ffc8470ea30 R08: 0000000000000000 R09: 00007f161fe0d700
[   76.510095][ T8451] R10: 00007f161fe0d9d0 R11: 0000000000000246 R12: 0000000002f3a914
[   76.518076][ T8451] R13: 00007ffc8470ed58 R14: 0000000000000000 R15: 0000000000000000
[   76.526565][ T8451] Kernel Offset: disabled
[   76.530877][ T8451] Rebooting in 86400 seconds..