Starting mcstransd: 
[   22.827505] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available)
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   26.422987] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available)
[   26.878790] random: sshd: uninitialized urandom read (32 bytes read, 40 bits of entropy available)
[   27.825499] random: nonblocking pool is initialized
Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts.
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[   33.629172] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller502437/4094
[   33.637929] caller is __this_cpu_preempt_check+0x1c/0x20
[   33.643460] CPU: 1 PID: 4094 Comm: syzkaller502437 Not tainted 4.4.113-g962d1f3 #2
[   33.651169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.660533]  0000000000000000 cf79c3a8b3a5c319 ffff8801d7b3f648 ffffffff81d028ed
[   33.668597]  0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8801d77bdf00
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[   33.676663]  0000000000000003 ffff8801d7b3f688 ffffffff81d62834 ffffffff810002b8
[   33.684728] Call Trace:
[   33.687320]  [<ffffffff81d028ed>] dump_stack+0xc1/0x124
[   33.692710]  [<ffffffff81d62834>] check_preemption_disabled+0x1d4/0x200
[   33.699485]  [<ffffffff810002b8>] ? 0xffffffff810002b8
[   33.704785]  [<ffffffff81d6289c>] __this_cpu_preempt_check+0x1c/0x20
[   33.711291]  [<ffffffff831289d9>] tcp_try_coalesce+0x249/0x4d0
[   33.717289]  [<ffffffff83128790>] ? tcp_parse_options+0x970/0x970
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[   33.723528]  [<ffffffff82e1ff9c>] ? skb_copy_datagram_from_iter+0x38c/0x5a0
[   33.730647]  [<ffffffff83130b57>] tcp_queue_rcv+0x127/0x720
[   33.736366]  [<ffffffff8314842b>] tcp_send_rcvq+0x39b/0x450
[   33.742073]  [<ffffffff83148090>] ? tcp_rcv_established+0x2230/0x2230
[   33.748649]  [<ffffffff8113bd00>] ? do_softirq.part.17+0x40/0x60
[   33.754789]  [<ffffffff81235cfb>] ? trace_hardirqs_on_caller+0x38b/0x590
[   33.761629]  [<ffffffff82df2ad0>] ? lock_sock_nested+0x90/0x120
[   33.767658]  [<ffffffff81235f0d>] ? trace_hardirqs_on+0xd/0x10
[   33.773602]  [<ffffffff8113bd8a>] ? __local_bh_enable_ip+0x6a/0xd0
[   33.779892]  [<ffffffff8311f71f>] tcp_sendmsg+0x1e8f/0x2b10
[   33.785578]  [<ffffffff81236530>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   33.792563]  [<ffffffff81b67052>] ? sock_has_perm+0x1c2/0x3e0
[   33.798417]  [<ffffffff8311d890>] ? tcp_sendpage+0x1830/0x1830
[   33.804359]  [<ffffffff831d5141>] ? inet_sendmsg+0x201/0x4c0
[   33.810128]  [<ffffffff831d51fc>] inet_sendmsg+0x2bc/0x4c0
[   33.815721]  [<ffffffff831d4fb3>] ? inet_sendmsg+0x73/0x4c0
[   33.821402]  [<ffffffff831d4f40>] ? inet_recvmsg+0x4c0/0x4c0
[   33.827175]  [<ffffffff82dea20a>] sock_sendmsg+0xca/0x110
[   33.832683]  [<ffffffff82debde1>] ___sys_sendmsg+0x6c1/0x7c0
[   33.838452]  [<ffffffff82deb720>] ? copy_msghdr_from_user+0x550/0x550
[   33.845006]  [<ffffffff81437570>] ? __alloc_pages_direct_compact+0x250/0x250
[   33.852166]  [<ffffffff815772f2>] ? __fget+0x232/0x3b0
[   33.857413]  [<ffffffff81577107>] ? __fget+0x47/0x3b0
[   33.862572]  [<ffffffff81577551>] ? __fget_light+0xa1/0x1e0
[   33.868255]  [<ffffffff815776a8>] ? __fdget+0x18/0x20
[   33.873416]  [<ffffffff82de7908>] ? sockfd_lookup_light+0x118/0x160
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[   33.880053]  [<ffffffff82dede33>] __sys_sendmsg+0xd3/0x190
[   33.885649]  [<ffffffff82dedd60>] ? SyS_shutdown+0x1b0/0x1b0
[   33.891419]  [<ffffffff81578d74>] ? __fd_install+0x224/0x5f0
[   33.897191]  [<ffffffff810dc6f0>] ? __do_page_fault+0x380/0xa00
[   33.903224]  [<ffffffff82ed7bca>] compat_SyS_sendmsg+0x2a/0x40
[   33.909163]  [<ffffffff82ed7ba0>] ? compat_SyS_getsockopt+0x2a0/0x2a0
[   33.915713]  [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890
[   33.921830]  [<ffffffff8377362a>] sysenter_flags_fixed+0xd/0x17
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[   34.187302] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller502437/4088
[   34.195969] caller is __this_cpu_preempt_check+0x1c/0x20
[   34.201470] CPU: 1 PID: 4088 Comm: syzkaller502437 Not tainted 4.4.113-g962d1f3 #2
[   34.209175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.218530]  0000000000000000 e6171350ac2fe737 ffff8800ba147648 ffffffff81d028ed
[   34.226600]  0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8800ba182f80
executing program
[   34.234663]  0000000000000003 ffff8800ba147688 ffffffff81d62834 ffffffff810002b8
[   34.242715] Call Trace:
[   34.245312]  [<ffffffff81d028ed>] dump_stack+0xc1/0x124
[   34.250678]  [<ffffffff81d62834>] check_preemption_disabled+0x1d4/0x200
[   34.257463]  [<ffffffff810002b8>] ? 0xffffffff810002b8
[   34.262753]  [<ffffffff81d6289c>] __this_cpu_preempt_check+0x1c/0x20
[   34.269241]  [<ffffffff831289d9>] tcp_try_coalesce+0x249/0x4d0
[   34.275205]  [<ffffffff83128790>] ? tcp_parse_options+0x970/0x970
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[   34.281438]  [<ffffffff82e1ff9c>] ? skb_copy_datagram_from_iter+0x38c/0x5a0
[   34.288552]  [<ffffffff83130b57>] tcp_queue_rcv+0x127/0x720
[   34.294257]  [<ffffffff8314842b>] tcp_send_rcvq+0x39b/0x450
[   34.299977]  [<ffffffff83148090>] ? tcp_rcv_established+0x2230/0x2230
[   34.306602]  [<ffffffff8113bd00>] ? do_softirq.part.17+0x40/0x60
[   34.312762]  [<ffffffff81235cfb>] ? trace_hardirqs_on_caller+0x38b/0x590
[   34.319612]  [<ffffffff82df2ad0>] ? lock_sock_nested+0x90/0x120
[   34.325669]  [<ffffffff81235f0d>] ? trace_hardirqs_on+0xd/0x10
[   34.331650]  [<ffffffff8113bd8a>] ? __local_bh_enable_ip+0x6a/0xd0
executing program
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[   34.337987]  [<ffffffff8311f71f>] tcp_sendmsg+0x1e8f/0x2b10
[   34.343708]  [<ffffffff81236530>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   34.350812]  [<ffffffff81b67052>] ? sock_has_perm+0x1c2/0x3e0
[   34.356693]  [<ffffffff8311d890>] ? tcp_sendpage+0x1830/0x1830
[   34.362661]  [<ffffffff831d5141>] ? inet_sendmsg+0x201/0x4c0
[   34.368466]  [<ffffffff831d51fc>] inet_sendmsg+0x2bc/0x4c0
[   34.374103]  [<ffffffff831d4fb3>] ? inet_sendmsg+0x73/0x4c0
[   34.379808]  [<ffffffff831d4f40>] ? inet_recvmsg+0x4c0/0x4c0
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[   34.385601]  [<ffffffff82dea20a>] sock_sendmsg+0xca/0x110
[   34.391138]  [<ffffffff82debde1>] ___sys_sendmsg+0x6c1/0x7c0
[   34.396949]  [<ffffffff82deb720>] ? copy_msghdr_from_user+0x550/0x550
[   34.403536]  [<ffffffff81437570>] ? __alloc_pages_direct_compact+0x250/0x250
[   34.410769]  [<ffffffff815772f2>] ? __fget+0x232/0x3b0
[   34.416048]  [<ffffffff81577107>] ? __fget+0x47/0x3b0
[   34.421251]  [<ffffffff81577551>] ? __fget_light+0xa1/0x1e0
[   34.426983]  [<ffffffff815776a8>] ? __fdget+0x18/0x20
[   34.432194]  [<ffffffff82de7908>] ? sockfd_lookup_light+0x118/0x160
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[   34.438590]  [<ffffffff82dede33>] __sys_sendmsg+0xd3/0x190
[   34.444222]  [<ffffffff82dedd60>] ? SyS_shutdown+0x1b0/0x1b0
[   34.450070]  [<ffffffff810dc6f0>] ? __do_page_fault+0x380/0xa00
[   34.456136]  [<ffffffff82ed7bca>] compat_SyS_sendmsg+0x2a/0x40
[   34.462105]  [<ffffffff82ed7ba0>] ? compat_SyS_getsockopt+0x2a0/0x2a0
[   34.468692]  [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890
[   34.474861]  [<ffffffff8377362a>] sysenter_flags_fixed+0xd/0x17
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[   34.603094] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller502437/4100
[   34.611733] caller is __this_cpu_preempt_check+0x1c/0x20
[   34.617163] CPU: 1 PID: 4100 Comm: syzkaller502437 Not tainted 4.4.113-g962d1f3 #2
[   34.624846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.634195]  0000000000000000 32b64c4608e2c1f4 ffff8800ba1f7648 ffffffff81d028ed
[   34.642230]  0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8800b9638000
executing program
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[   34.650234]  0000000000000003 ffff8800ba1f7688 ffffffff81d62834 ffffffff810002b8
[   34.658321] Call Trace:
[   34.660902]  [<ffffffff81d028ed>] dump_stack+0xc1/0x124
[   34.666248]  [<ffffffff81d62834>] check_preemption_disabled+0x1d4/0x200
[   34.672980]  [<ffffffff810002b8>] ? 0xffffffff810002b8
[   34.678242]  [<ffffffff81d6289c>] __this_cpu_preempt_check+0x1c/0x20
[   34.684745]  [<ffffffff831289d9>] tcp_try_coalesce+0x249/0x4d0
[   34.690722]  [<ffffffff83128790>] ? tcp_parse_options+0x970/0x970
executing program
executing program
[   34.697005]  [<ffffffff82e1ff9c>] ? skb_copy_datagram_from_iter+0x38c/0x5a0
[   34.704111]  [<ffffffff83130b57>] tcp_queue_rcv+0x127/0x720
[   34.709930]  [<ffffffff8314842b>] tcp_send_rcvq+0x39b/0x450
[   34.715651]  [<ffffffff83148090>] ? tcp_rcv_established+0x2230/0x2230
[   34.722223]  [<ffffffff8113bd00>] ? do_softirq.part.17+0x40/0x60
[   34.728367]  [<ffffffff81235cfb>] ? trace_hardirqs_on_caller+0x38b/0x590
[   34.735199]  [<ffffffff82df2ad0>] ? lock_sock_nested+0x90/0x120
[   34.741262]  [<ffffffff81235f0d>] ? trace_hardirqs_on+0xd/0x10
[   34.747232]  [<ffffffff8113bd8a>] ? __local_bh_enable_ip+0x6a/0xd0
executing program
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[   34.753546]  [<ffffffff8311f71f>] tcp_sendmsg+0x1e8f/0x2b10
[   34.759256]  [<ffffffff81236530>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   34.766253]  [<ffffffff81b67052>] ? sock_has_perm+0x1c2/0x3e0
[   34.772122]  [<ffffffff8311d890>] ? tcp_sendpage+0x1830/0x1830
[   34.778085]  [<ffffffff831d5141>] ? inet_sendmsg+0x201/0x4c0
[   34.783873]  [<ffffffff831d51fc>] inet_sendmsg+0x2bc/0x4c0
[   34.789489]  [<ffffffff831d4fb3>] ? inet_sendmsg+0x73/0x4c0
[   34.795188]  [<ffffffff831d4f40>] ? inet_recvmsg+0x4c0/0x4c0
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[   34.800972]  [<ffffffff82dea20a>] sock_sendmsg+0xca/0x110
[   34.806499]  [<ffffffff82debde1>] ___sys_sendmsg+0x6c1/0x7c0
[   34.812309]  [<ffffffff82deb720>] ? copy_msghdr_from_user+0x550/0x550
[   34.818895]  [<ffffffff81437570>] ? __alloc_pages_direct_compact+0x250/0x250
[   34.826099]  [<ffffffff815772f2>] ? __fget+0x232/0x3b0
[   34.831360]  [<ffffffff81577107>] ? __fget+0x47/0x3b0
[   34.836553]  [<ffffffff81577551>] ? __fget_light+0xa1/0x1e0
[   34.842264]  [<ffffffff815776a8>] ? __fdget+0x18/0x20
[   34.847449]  [<ffffffff82de7908>] ? sockfd_lookup_light+0x118/0x160
executing program
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[   34.853844]  [<ffffffff82dede33>] __sys_sendmsg+0xd3/0x190
[   34.859452]  [<ffffffff82dedd60>] ? SyS_shutdown+0x1b0/0x1b0
[   34.865236]  [<ffffffff810dc6f0>] ? __do_page_fault+0x380/0xa00
[   34.871281]  [<ffffffff82ed7bca>] compat_SyS_sendmsg+0x2a/0x40
[   34.877242]  [<ffffffff82ed7ba0>] ? compat_SyS_getsockopt+0x2a0/0x2a0
[   34.884950]  [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890
[   34.891100]  [<ffffffff8377362a>] sysenter_flags_fixed+0xd/0x17
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[   35.186882] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller502437/4100
[   35.195524] caller is __this_cpu_preempt_check+0x1c/0x20
[   35.200947] CPU: 1 PID: 4100 Comm: syzkaller502437 Not tainted 4.4.113-g962d1f3 #2
[   35.208626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   35.217955]  0000000000000000 32b64c4608e2c1f4 ffff8800ba1f7648 ffffffff81d028ed
[   35.225937]  0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8800b9638000
[   35.234176]  0000000000000003 ffff8800ba1f7688 ffffffff81d62834 ffffffff810002b8
[   35.242157] Call Trace:
[   35.244724]  [<ffffffff81d028ed>] dump_stack+0xc1/0x124
[   35.250060]  [<ffffffff81d62834>] check_preemption_disabled+0x1d4/0x200
[   35.256784]  [<ffffffff810002b8>] ? 0xffffffff810002b8
[   35.262035]  [<ffffffff81d6289c>] __this_cpu_preempt_check+0x1c/0x20
[   35.268499]  [<ffffffff831289d9>] tcp_try_coalesce+0x249/0x4d0
[   35.274452]  [<ffffffff83128790>] ? tcp_parse_options+0x970/0x970
[   35.280666]  [<ffffffff82e1ff9c>] ? skb_copy_datagram_from_iter+0x38c/0x5a0
[   35.287736]  [<ffffffff83130b57>] tcp_queue_rcv+0x127/0x720
[   35.293418]  [<ffffffff8314842b>] tcp_send_rcvq+0x39b/0x450
[   35.299098]  [<ffffffff83148090>] ? tcp_rcv_established+0x2230/0x2230
[   35.305647]  [<ffffffff8113bd00>] ? do_softirq.part.17+0x40/0x60
[   35.311766]  [<ffffffff81235cfb>] ? trace_hardirqs_on_caller+0x38b/0x590
[   35.318576]  [<ffffffff82df2ad0>] ? lock_sock_nested+0x90/0x120
[   35.324605]  [<ffffffff81235f0d>] ? trace_hardirqs_on+0xd/0x10
[   35.330549]  [<ffffffff8113bd8a>] ? __local_bh_enable_ip+0x6a/0xd0
[   35.336839]  [<ffffffff8311f71f>] tcp_sendmsg+0x1e8f/0x2b10
[   35.342522]  [<ffffffff81236530>] ? debug_check_no_locks_freed+0x2c0/0x2c0
[   35.349510]  [<ffffffff81b67052>] ? sock_has_perm+0x1c2/0x3e0
[   35.355368]  [<ffffffff8311d890>] ? tcp_sendpage+0x1830/0x1830
[   35.361313]  [<ffffffff831d5141>] ? inet_sendmsg+0x201/0x4c0
[   35.367081]  [<ffffffff831d51fc>] inet_sendmsg+0x2bc/0x4c0
[   35.372677]  [<ffffffff831d4fb3>] ? inet_sendmsg+0x73/0x4c0
[   35.378359]  [<ffffffff831d4f40>] ? inet_recvmsg+0x4c0/0x4c0
[   35.384129]  [<ffffffff82dea20a>] sock_sendmsg+0xca/0x110
[   35.391982]  [<ffffffff82debde1>] ___sys_sendmsg+0x6c1/0x7c0
[   35.397749]  [<ffffffff82deb720>] ? copy_msghdr_from_user+0x550/0x550
[   35.404304]  [<ffffffff81437570>] ? __alloc_pages_direct_compact+0x250/0x250
[   35.411461]  [<ffffffff815772f2>] ? __fget+0x232/0x3b0
[   35.416706]  [<ffffffff81577107>] ? __fget+0x47/0x3b0
[   35.421870]  [<ffffffff81577551>] ? __fget_light+0xa1/0x1e0
[   35.427553]  [<ffffffff815776a8>] ? __fdget+0x18/0x20
executing program
executing program
[   35.432712]  [<ffffffff82de7908>] ? sockfd_lookup_light+0x118/0x160
[   35.439086]  [<ffffffff82dede33>] __sys_sendmsg+0xd3/0x190
[   35.444682]  [<ffffffff82dedd60>] ? SyS_shutdown+0x1b0/0x1b0
[   35.450455]  [<ffffffff810dc6f0>] ? __do_page_fault+0x380/0xa00
[   35.456486]  [<ffffffff82ed7bca>] compat_SyS_sendmsg+0x2a/0x40
[   35.462429]  [<ffffffff82ed7ba0>] ? compat_SyS_getsockopt+0x2a0/0x2a0
[   35.468982]  [<ffffffff81006d74>] do_fast_syscall_32+0x314/0x890
[   35.475100]  [<ffffffff8377362a>] sysenter_flags_fixed+0xd/0x17
executing program
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