serialport: Connected to syzkaller.us-central1-c.ci-android-49-kasan-gce-7 port 1 (session ID: 1fa2b865e9b6a6b27f8dcff93eea9c90927691ba0d0e73e26f1a966afcad032e, active connections: 1).
INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-android-49-kasan-gce-7,10.128.0.62' (ECDSA) to the list of known hosts.
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syzkaller login: [   34.735854] BUG: sleeping function called from invalid context at mm/slab.h:393
[   34.737002] in_atomic(): 1, irqs_disabled(): 0, pid: 3306, name: syzkaller824432
[   34.737987] INFO: lockdep is turned off.
[   34.738536] Preemption disabled at:[   34.739024] [<ffffffff833a4910>] xfrm_policy_walk+0xb0/0x4d0
[   34.739804] CPU: 1 PID: 3306 Comm: syzkaller824432 Not tainted 4.9.40-g7b2727c #16
[   34.740830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.742050]  ffff8801c9f0f650 ffffffff81d8f109 ffffffff833a4910 0000000000000000
[   34.743187]  0000000000000201 ffff8801c9803000 ffff8801c9803000 ffff8801c9f0f688
[   34.744488]  ffffffff811ba4f4 ffff8801c9803000 ffffffff8418f96c 0000000000000189
[   34.745613] Call Trace:
[   34.745970]  [<ffffffff81d8f109>] dump_stack+0xc1/0x128
[   34.746677]  [<ffffffff833a4910>] ? xfrm_policy_walk+0xb0/0x4d0
[   34.747479]  [<ffffffff811ba4f4>] ___might_sleep+0x2f4/0x470
[   34.748261]  [<ffffffff811ba705>] __might_sleep+0x95/0x1a0
[   34.749039]  [<ffffffff82ee9ce2>] ? skb_clone+0x142/0x2c0
[   34.749786]  [<ffffffff815346f0>] kmem_cache_alloc+0x140/0x290
[   34.750615]  [<ffffffff82ee9ce2>] skb_clone+0x142/0x2c0
[   34.751328]  [<ffffffff83552497>] pfkey_broadcast_one+0x367/0x480
[   34.752167]  [<ffffffff83559b32>] pfkey_broadcast+0x3c2/0x610
[   34.752940]  [<ffffffff8355990a>] ? pfkey_broadcast+0x19a/0x610
[   34.753754]  [<ffffffff83559770>] ? pfkey_seq_stop+0x80/0x80
[   34.754537]  [<ffffffff8355da34>] dump_sp+0x354/0x450
[   34.755224]  [<ffffffff833a4a11>] xfrm_policy_walk+0x1b1/0x4d0
[   34.756014]  [<ffffffff8355d6e0>] ? pfkey_flush+0x2e0/0x2e0
[   34.761686]  [<ffffffff835525f2>] pfkey_dump_sp+0x42/0x50
[   34.767188]  [<ffffffff8355b880>] pfkey_do_dump+0x40/0x2b0
[   34.772776]  [<ffffffff8355bc77>] pfkey_spddump+0x187/0x1e0
[   34.778448]  [<ffffffff8355baf0>] ? pfkey_do_dump+0x2b0/0x2b0
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[   34.784296]  [<ffffffff8355ce59>] pfkey_process+0x619/0x730
[   34.789971]  [<ffffffff8355c840>] ? pfkey_dump+0x660/0x660
[   34.795557]  [<ffffffff8355e6ef>] pfkey_sendmsg+0x3af/0x750
[   34.801230]  [<ffffffff8355e340>] ? pfkey_spdget+0x810/0x810
[   34.806992]  [<ffffffff82ec7b9a>] sock_sendmsg+0xca/0x110
[   34.812500]  [<ffffffff82ec9751>] ___sys_sendmsg+0x6d1/0x7e0
[   34.818262]  [<ffffffff82ec9080>] ? copy_msghdr_from_user+0x510/0x510
[   34.824806]  [<ffffffff8146166f>] ? pagevec_lru_move_fn+0x17f/0x1f0
[   34.831173]  [<ffffffff81460410>] ? put_pages_list+0x150/0x150
[   34.837107]  [<ffffffff815cbbc7>] ? __fget+0x47/0x3a0
[   34.842259]  [<ffffffff815cbda8>] ? __fget+0x228/0x3a0
[   34.847501]  [<ffffffff815cbbc7>] ? __fget+0x47/0x3a0
[   34.853239]  [<ffffffff815cc0e8>] ? __fget_light+0x188/0x1e0
[   34.859002]  [<ffffffff815cc158>] ? __fdget+0x18/0x20
[   34.864157]  [<ffffffff82ecb786>] __sys_sendmsg+0xd6/0x190
[   34.869743]  [<ffffffff82ecb6b0>] ? SyS_shutdown+0x1b0/0x1b0
[   34.875505]  [<ffffffff810dffc7>] ? __do_page_fault+0x2a7/0xbd0
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[   34.881532]  [<ffffffff810e0230>] ? __do_page_fault+0x510/0xbd0
[   34.887552]  [<ffffffff82ecb86d>] SyS_sendmsg+0x2d/0x50
[   34.892881]  [<ffffffff838a26c5>] entry_SYSCALL_64_fastpath+0x23/0xc6
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