Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts.
2021/05/28 01:47:43 fuzzer started
2021/05/28 01:47:43 dialing manager at 10.128.0.163:33615
2021/05/28 01:47:44 syscalls: 1998
2021/05/28 01:47:44 code coverage: enabled
2021/05/28 01:47:44 comparison tracing: enabled
2021/05/28 01:47:44 extra coverage: enabled
2021/05/28 01:47:44 setuid sandbox: enabled
2021/05/28 01:47:44 namespace sandbox: enabled
2021/05/28 01:47:44 Android sandbox: enabled
2021/05/28 01:47:44 fault injection: enabled
2021/05/28 01:47:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2021/05/28 01:47:44 net packet injection: /dev/net/tun does not exist
2021/05/28 01:47:44 net device setup: enabled
2021/05/28 01:47:44 concurrency sanitizer: enabled
2021/05/28 01:47:44 devlink PCI setup: PCI device 0000:00:10.0 is not available
2021/05/28 01:47:44 USB emulation: /dev/raw-gadget does not exist
2021/05/28 01:47:44 hci packet injection: /dev/vhci does not exist
2021/05/28 01:47:44 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist
2021/05/28 01:47:44 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist
2021/05/28 01:47:44 suppressing KCSAN reports in functions: '__ext4_new_inode' 'ext4_free_inodes_count' 'do_sys_poll' 'page_cache_ra_unbounded' 'xas_clear_mark' 'n_tty_receive_buf_common' '_find_next_bit' 'generic_write_end' '__ps2_command' 'blk_mq_sched_dispatch_requests' 'ext4_ext_handle_unwritten_extents' 'do_signal_stop' '__xa_clear_mark' 'blk_mq_rq_ctx_init' 'ext4_mpage_readpages' 'shmem_mknod' 
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[   18.837681][ T1763] ==================================================================
[   18.839189][ T1763] BUG: KCSAN: data-race in __send_signal / futex_wait_queue_me
[   18.840564][ T1763] 
[   18.840926][ T1763] write to 0xffff88810085006c of 4 bytes by task 1760 on cpu 0:
[   18.842092][ T1763]  futex_wait_queue_me+0x198/0x260
[   18.842867][ T1763]  futex_wait+0x143/0x430
[   18.843518][ T1763]  do_futex+0x9d8/0x1ee0
[   18.844150][ T1763]  __se_sys_futex+0x21c/0x380
[   18.844919][ T1763]  __x64_sys_futex+0x74/0x80
[   18.845590][ T1763]  do_syscall_64+0x4a/0x90
[   18.846349][ T1763]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   18.847634][ T1763] 
[   18.847962][ T1763] read to 0xffff88810085006c of 4 bytes by task 1763 on cpu 1:
[   18.849031][ T1763]  __send_signal+0x282/0x760
[   18.849804][ T1763]  send_signal+0x281/0x390
[   18.850412][ T1763]  do_send_specific+0x13d/0x1c0
[   18.851102][ T1763]  __x64_sys_tgkill+0x108/0x140
[   18.851792][ T1763]  do_syscall_64+0x4a/0x90
[   18.852413][ T1763]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   18.853361][ T1763] 
[   18.853759][ T1763] Reported by Kernel Concurrency Sanitizer on:
[   18.854692][ T1763] CPU: 1 PID: 1763 Comm: syz-fuzzer Not tainted 5.13.0-rc3-syzkaller #0
[   18.856374][ T1763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   18.858354][ T1763] ==================================================================
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2021/05/28 01:47:52 starting 6 fuzzer processes
01:47:52 executing program 0:
r0 = socket$inet6(0x10, 0x3, 0x0)
sendmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000100)="5500000018007fd500fe01b2a4a280930a06000000a843089100fe8039001200080010000f6c00002d0000009b2c136ef75afb83de448daa72540d8102d2c55327c43ab82286ef1fdd20652383656d4d24", 0x51}, {&(0x7f0000000080)="02044911", 0x4}], 0x2}, 0x0)

01:47:52 executing program 1:
io_setup(0x7fe0, &(0x7f00000001c0)=<r0=>0x0)
r1 = socket$inet6_udplite(0xa, 0x2, 0x88)
io_submit(r0, 0x1, &(0x7f0000000140)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, r1, 0x0}])
r2 = openat(0xffffffffffffffff, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0)
preadv(r2, &(0x7f0000000280), 0x100000000000008d, 0x4, 0x0)
io_getevents(r0, 0x0, 0x0, 0x0, 0x0)

01:47:52 executing program 5:
r0 = perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xfb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r1 = socket$inet6_udplite(0xa, 0x2, 0x88)
fcntl$lock(r1, 0x6, &(0x7f00000001c0))
dup3(r0, r1, 0x0)

01:47:52 executing program 2:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000000)={0x1, &(0x7f00000000c0)=[{0x6}]})
socket$nl_netfilter(0x10, 0x3, 0xc)
ioctl$SECCOMP_IOCTL_NOTIF_RECV(r0, 0x541b, 0x0)

01:47:52 executing program 3:
r0 = memfd_create(&(0x7f0000000040)='#\'%nod%v\x00\x7f\xe5\xd0ql\x86\xc9\xe6\x14\x93\xa2\x7f_,y<~\xab\x84\b\x00\x00\x00\x00\x00\x14}\n\x81\xc7\x85|oC\xca\v\xe3\xba]fn\r\xdf!\x94O\xaf\xb7\x93\xe8\xb6\xc3N\x16&\xabzX\xf9{\xaf;\xcf\x8c\xa8\xb9\x06\xaf\xd0\xfb:\xdaVNF\x13\x9f\xc2\xb7/1\xb9V\xf0*\xcb\xdc\x05n<\xcfi\x02=1\xda\"\xb3\xfe\xf3\x97\xd9\xa5b\xd4\x00Q$\xb2v\\\xa9\xcf*tw\x8a\n_)\x89A\x8f`R\x12zM\a\xc435\b\x12y\x83', 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0)
preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0)
write(r0, &(0x7f0000002000)='/', 0x1)
fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000180)=0x4)
sendfile(r0, r0, &(0x7f0000000200), 0x87)

01:47:52 executing program 4:
openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0)
r0 = perf_event_open(&(0x7f0000000180)={0x6, 0x80}, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
close(r0)

[   25.708186][   T25] audit: type=1400 audit(1622166472.551:8): avc:  denied  { execmem } for  pid=1777 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   25.766356][ T1781] cgroup: Unknown subsys name 'perf_event'
[   25.787114][ T1781] cgroup: Unknown subsys name 'net_cls'
[   25.815617][ T1783] cgroup: Unknown subsys name 'perf_event'
[   25.827627][ T1783] cgroup: Unknown subsys name 'net_cls'
[   25.838683][ T1785] cgroup: Unknown subsys name 'perf_event'
[   25.845077][ T1785] cgroup: Unknown subsys name 'net_cls'
[   25.867179][ T1788] cgroup: Unknown subsys name 'perf_event'
[   25.869810][ T1789] cgroup: Unknown subsys name 'perf_event'
[   25.878432][ T1788] cgroup: Unknown subsys name 'net_cls'
[   25.880041][ T1789] cgroup: Unknown subsys name 'net_cls'
[   25.893135][ T1790] cgroup: Unknown subsys name 'perf_event'
[   25.905126][ T1790] cgroup: Unknown subsys name 'net_cls'