serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-1 port 1 (session ID: eee89a044023f23ed37d959e364ad387bfef13c42012f5276492d0693ac32d36, active connections: 1).
INIT: Entering runlevel: 2
[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added 'ci-upstream-kasan-gce-1,10.128.0.3' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 34.562712] BUG: sleeping function called from invalid context at mm/slab.h:416
[ 34.563876] in_atomic(): 1, irqs_disabled(): 0, pid: 2932, name: syzkaller183439
[ 34.565131] 3 locks held by syzkaller183439/2932:
[ 34.565774] #0: (&net->xfrm.xfrm_cfg_mutex){+.+.+.}, at: [<ffffffff83b43888>] pfkey_sendmsg+0x4c8/0x9f0
[ 34.567082] #1: (&pfk->dump_lock){+.+.+.}, at: [<ffffffff83b467f6>] pfkey_do_dump+0x76/0x3f0
[ 34.568253] #2: (&(&net->xfrm.xfrm_policy_lock)->rlock){+...+.}, at: [<ffffffff83957632>] xfrm_policy_walk+0x192/0xa30
[ 34.569723] CPU: 0 PID: 2932 Comm: syzkaller183439 Not tainted 4.13.0-rc4+ #24
[ 34.570688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 34.571905] Call Trace:
[ 34.572263] dump_stack+0x194/0x257
[ 34.572753] ? arch_local_irq_restore+0x53/0x53
[ 34.573374] ? print_lock+0x9f/0xa2
[ 34.573863] ? lockdep_print_held_locks+0xc4/0x130
[ 34.574527] ___might_sleep+0x2b2/0x470
[ 34.575060] ? check_same_owner+0x320/0x320
[ 34.575642] ? mark_held_locks+0xaf/0x100
[ 34.576200] __might_sleep+0x95/0x190
[ 34.576719] kmem_cache_alloc+0x24b/0x6e0
[ 34.577277] ? sock_def_readable+0x26f/0x5e0
[ 34.577870] skb_clone+0x1a0/0x400
[ 34.578347] ? skb_copy_ubufs+0xe90/0xe90
[ 34.578904] ? refcount_sub_and_test+0x115/0x1b0
[ 34.579551] ? refcount_inc_not_zero+0xfe/0x180
[ 34.580187] ? refcount_add+0x60/0x60
[ 34.580700] ? find_held_lock+0x35/0x1d0
[ 34.581256] pfkey_broadcast_one+0x4b2/0x6f0
[ 34.581848] ? pfkey_terminate_dump+0x180/0x180
[ 34.582472] ? __lock_is_held+0xb6/0x140
[ 34.583800] pfkey_broadcast+0x4ba/0x770
[ 34.587830] ? pfkey_acquire+0x220/0x220
[ 34.591861] ? memset+0x31/0x40
[ 34.595111] ? pfkey_xfrm_policy2msg+0x183d/0x22b0
[ 34.600016] ? pfkey_sockaddr_fill+0x340/0x340
[ 34.604565] ? check_noncircular+0x20/0x20
[ 34.608767] ? pfkey_xfrm_policy2msg_size+0x1d3/0x230
[ 34.613928] dump_sp+0x3d6/0x500
[ 34.617263] ? pfkey_flush+0x3c0/0x3c0
[ 34.621118] ? xfrm_policy_walk+0x192/0xa30
[ 34.625415] xfrm_policy_walk+0x2f1/0xa30
[ 34.629536] ? pfkey_flush+0x3c0/0x3c0
[ 34.633394] ? xfrm_audit_policy_add+0x1f0/0x1f0
[ 34.638119] ? __kfree_skb+0x20/0x20
[ 34.641804] ? pfkey_terminate_dump+0x180/0x180
[ 34.646442] ? __lock_is_held+0xb6/0x140
[ 34.650478] ? __mutex_unlock_slowpath+0xe9/0xac0
[ 34.655289] ? wait_for_completion+0x730/0x730
[ 34.659840] ? pfkey_acquire+0x220/0x220
[ 34.663867] ? pfkey_broadcast_one+0x6f0/0x6f0
[ 34.668416] pfkey_dump_sp+0x42/0x50
[ 34.672095] pfkey_do_dump+0xaa/0x3f0
[ 34.675861] ? xfrm_policy_walk_init+0x69/0x1c0
[ 34.680494] ? dump_sa+0x5d0/0x5d0
[ 34.684001] ? iov_iter_advance+0x2a1/0x13f0
[ 34.688380] pfkey_spddump+0x1a0/0x210
[ 34.692229] ? pfkey_recvmsg+0x710/0x710
[ 34.696258] pfkey_process+0x606/0x710
[ 34.700116] ? pfkey_send_new_mapping+0x11b0/0x11b0
[ 34.705095] ? kasan_check_write+0x14/0x20
[ 34.709313] ? dup_iter+0x260/0x260
[ 34.712913] pfkey_sendmsg+0x4d6/0x9f0
[ 34.716771] ? pfkey_spdget+0xb30/0xb30
[ 34.720712] ? selinux_socket_sendmsg+0x36/0x40
[ 34.725348] ? security_socket_sendmsg+0x89/0xb0
[ 34.730071] ? pfkey_spdget+0xb30/0xb30
[ 34.734012] sock_sendmsg+0xca/0x110
[ 34.737692] ___sys_sendmsg+0x755/0x890
[ 34.741634] ? copy_msghdr_from_user+0x590/0x590
[ 34.746361] ? check_noncircular+0x20/0x20
[ 34.750575] ? fget_raw+0x20/0x20
[ 34.753997] ? __pmd_alloc+0x4f0/0x4f0
[ 34.757853] ? lock_acquire+0x1d5/0x580
[ 34.761791] ? lock_acquire+0x1d5/0x580
[ 34.765734] ? find_held_lock+0x35/0x1d0
[ 34.769763] ? __fdget+0x18/0x20
[ 34.773100] __sys_sendmsg+0xe5/0x210
[ 34.776865] ? __sys_sendmsg+0xe5/0x210
[ 34.780805] ? SyS_shutdown+0x290/0x290
[ 34.784746] ? down_read_trylock+0xdb/0x170
[ 34.789032] ? __do_page_fault+0x2b8/0xb60
[ 34.793232] ? downgrade_write+0x150/0x150
[ 34.797428] ? vmacache_find+0x61/0x270
[ 34.801380] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 34.806371] SyS_sendmsg+0x2d/0x50
executing program
[ 34.809880] entry_SYSCALL_64_fastpath+0x1f/0xbe
[ 34.814598] RIP: 0033:0x445d79
[ 34.817751] RSP: 002b:00007f32447c1dc8 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 34.825426] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445d79
[ 34.832661] RDX: 0000000000000000 RSI: 000000002023dfc8 RDI: 0000000000000008
[ 34.839893] RBP: 0000000000000086 R08: 00007f32447c2700 R09: 00007f32447c2700
[ 34.847131] R10: 00007f32447c2700 R11: 0000000000000202 R12: 0000000000000000
[ 34.854367] R13: 00007ffe33edec4f R14: 00007f32447c29c0 R15: 0000000000000000
executing program
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