[....] Starting OpenBSD Secure Shell server: sshd[ 21.844195] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 26.691168] random: sshd: uninitialized urandom read (32 bytes read, 41 bits of entropy available) [ 27.051478] random: sshd: uninitialized urandom read (32 bytes read, 43 bits of entropy available) [ 28.060782] random: sshd: uninitialized urandom read (32 bytes read, 122 bits of entropy available) [ 28.226334] random: sshd: uninitialized urandom read (32 bytes read, 126 bits of entropy available) [ 28.343851] random: nonblocking pool is initialized Warning: Permanently added '10.128.15.217' (ECDSA) to the list of known hosts. net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 [ 33.742609] IPVS: Creating netns size=2552 id=1 [ 33.790577] IPVS: Creating netns size=2552 id=2 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 [ 33.837653] IPVS: Creating netns size=2552 id=3 RTNETLINK answers: Operation not supported net.ipv6.conf.syz5.accept_dad = 0 [ 33.902502] IPVS: Creating netns size=2552 id=4 RTNETLINK answers: Operation not supported net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz4.accept_dad = 0 RTNETLINK answers: Operation not supported [ 33.962515] IPVS: Creating netns size=2552 id=5 net.ipv6.conf.syz4.router_solicitations = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz2.accept_dad = 0 [ 34.056243] IPVS: Creating netns size=2552 id=6 RTNETLINK answers: Operation not supported net.ipv6.conf.syz2.router_solicitations = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz1.accept_dad = 0 [ 34.172077] IPVS: Creating netns size=2552 id=7 net.ipv6.conf.syz1.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz7.accept_dad = 0 RTNETLINK answers: Operation not supported net.ipv6.conf.syz7.router_solicitations = 0 RTNETLINK answers: Operation not supported [ 34.311030] IPVS: Creating netns size=2552 id=8 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz6.accept_dad = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" net.ipv6.conf.syz6.router_solicitations = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gre0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gre0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6_vti0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6gre0" Cannot find device "ip6tnl0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "erspan0" executing program Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6tnl0" Cannot find device "erspan0" executing program Cannot find device "ip6gretap0" executing program Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" executing program Cannot find device "erspan0" executing program Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gretap0" Cannot find device "ip6gre0" Cannot find device "ip6gretap0" executing program Cannot find device "ip6gre0" Cannot find device "erspan0" executing program executing program Cannot find device "ip6gretap0" executing program Cannot find device "erspan0" Cannot find device "ip6gre0" executing program Cannot find device "ip6gre0" executing program Cannot find device "erspan0" Cannot find device "ip6gretap0" executing program executing program Cannot find device "ip6gre0" executing program executing program Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" executing program Cannot find device "erspan0" executing program executing program Cannot find device "ip6gre0" executing program Cannot find device "erspan0" executing program Cannot find device "erspan0" executing program Cannot find device "ip6gretap0" Cannot find device "erspan0" executing program executing program Cannot find device "erspan0" Cannot find device "ip6gretap0" executing program executing program Cannot find device "erspan0" [ 38.969003] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5509 [ 38.977939] caller is __this_cpu_preempt_check+0x1c/0x20 [ 38.983657] CPU: 1 PID: 5509 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 38.991350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.000693] 0000000000000000 2420b507c97feac3 ffff8801c9f676c8 ffffffff81d0394d [ 39.008716] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801d94e3000 [ 39.016743] 0000000000000003 ffff8801c9f67708 ffffffff81d63894 ffffffff810002b8 [ 39.024772] Call Trace: [ 39.027517] [] dump_stack+0xc1/0x124 [ 39.032869] [] check_preemption_disabled+0x1d4/0x200 [ 39.039607] [] ? 0xffffffff810002b8 [ 39.044874] [] __this_cpu_preempt_check+0x1c/0x20 [ 39.051359] [] tcp_try_coalesce+0x249/0x4d0 [ 39.057323] [] ? tcp_parse_options+0x970/0x970 [ 39.063553] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 39.070659] [] tcp_queue_rcv+0x127/0x720 [ 39.076370] [] tcp_send_rcvq+0x39b/0x450 [ 39.082081] [] ? tcp_rcv_established+0x2230/0x2230 [ 39.088643] [] ? do_softirq.part.17+0x40/0x60 [ 39.094763] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.101575] [] ? lock_sock_nested+0x90/0x120 [ 39.107601] [] ? trace_hardirqs_on+0xd/0x10 [ 39.113543] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 39.119837] [] tcp_sendmsg+0x1e8f/0x2b10 [ 39.125518] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 39.132503] [] ? sock_has_perm+0x1c2/0x3e0 [ 39.138357] [] ? tcp_sendpage+0x1830/0x1830 [ 39.144299] [] ? inet_sendmsg+0x201/0x4c0 [ 39.150066] [] inet_sendmsg+0x2bc/0x4c0 [ 39.155660] [] ? inet_sendmsg+0x73/0x4c0 [ 39.161341] [] ? inet_recvmsg+0x4c0/0x4c0 [ 39.167111] [] sock_sendmsg+0xca/0x110 [ 39.172618] [] ___sys_sendmsg+0x6c1/0x7c0 [ 39.178384] [] ? copy_msghdr_from_user+0x550/0x550 [ 39.184936] [] ? __fget+0x232/0x3b0 [ 39.190183] [] ? __fget+0x47/0x3b0 [ 39.195346] [] ? __fget_light+0xa1/0x1e0 [ 39.201027] [] ? __fdget+0x18/0x20 [ 39.206186] [] __sys_sendmsg+0xd3/0x190 [ 39.211779] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program Cannot find device "ip6gretap0" Cannot find device "erspan0" Cannot find device "ip6gretap0" executing program Cannot find device "erspan0" [ 39.217549] [] ? __do_page_fault+0x380/0xa00 [ 39.223580] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.230391] [] SyS_sendmsg+0x2d/0x50 [ 39.235726] [] entry_SYSCALL_64_fastpath+0x1c/0x98 Cannot find device "erspan0" executing program Cannot find device "erspan0" executing program executing program [ 39.267525] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5564 [ 39.276521] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.281966] CPU: 0 PID: 5564 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 39.289656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.298995] 0000000000000000 88d95da041cbb024 ffff8800b54bf6c8 ffffffff81d0394d [ 39.307037] 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801d9336000 executing program executing program [ 39.315099] 0000000000000003 ffff8800b54bf708 ffffffff81d63894 ffffffff810002b8 [ 39.323149] Call Trace: [ 39.325725] [] dump_stack+0xc1/0x124 [ 39.331087] [] check_preemption_disabled+0x1d4/0x200 [ 39.337831] [] ? 0xffffffff810002b8 [ 39.343082] [] __this_cpu_preempt_check+0x1c/0x20 [ 39.349546] [] tcp_try_coalesce+0x249/0x4d0 [ 39.355489] [] ? tcp_parse_options+0x970/0x970 [ 39.361691] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 39.368761] [] tcp_queue_rcv+0x127/0x720 [ 39.374443] [] tcp_send_rcvq+0x39b/0x450 [ 39.380123] [] ? tcp_rcv_established+0x2230/0x2230 [ 39.386675] [] ? do_softirq.part.17+0x40/0x60 [ 39.392792] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.399603] [] ? lock_sock_nested+0x90/0x120 [ 39.405633] [] ? trace_hardirqs_on+0xd/0x10 [ 39.411573] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 39.417861] [] tcp_sendmsg+0x1e8f/0x2b10 [ 39.423540] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 39.430524] [] ? sock_has_perm+0x1c2/0x3e0 [ 39.436379] [] ? tcp_sendpage+0x1830/0x1830 [ 39.442322] [] ? inet_sendmsg+0x201/0x4c0 [ 39.448091] [] inet_sendmsg+0x2bc/0x4c0 [ 39.453684] [] ? inet_sendmsg+0x73/0x4c0 [ 39.459366] [] ? inet_recvmsg+0x4c0/0x4c0 [ 39.465132] [] sock_sendmsg+0xca/0x110 [ 39.470637] [] ___sys_sendmsg+0x6c1/0x7c0 [ 39.476404] [] ? copy_msghdr_from_user+0x550/0x550 [ 39.482953] [] ? __fget+0x232/0x3b0 [ 39.488200] [] ? __fget+0x47/0x3b0 [ 39.493361] [] ? __fget_light+0xa1/0x1e0 [ 39.499042] [] ? __fdget+0x18/0x20 [ 39.504201] [] __sys_sendmsg+0xd3/0x190 [ 39.509794] [] ? SyS_shutdown+0x1b0/0x1b0 executing program Cannot find device "ip6gretap0" executing program Cannot find device "erspan0" executing program executing program executing program executing program [ 39.515566] [] ? memset+0x31/0x40 [ 39.520637] [] ? vmacache_update+0xfe/0x130 [ 39.526578] [] ? __do_page_fault+0x380/0xa00 [ 39.532606] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.539414] [] SyS_sendmsg+0x2d/0x50 [ 39.544749] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program Cannot find device "ip6gretap0" executing program executing program executing program executing program executing program executing program executing program Cannot find device "ip6gretap0" executing program executing program [ 39.701489] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5673 [ 39.710409] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.716005] CPU: 1 PID: 5673 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 39.723700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.733041] 0000000000000000 c7bad8ecacace72d ffff8800b75f76c8 ffffffff81d0394d [ 39.741070] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801c88db000 [ 39.749110] 0000000000000003 ffff8800b75f7708 ffffffff81d63894 ffffffff810002b8 [ 39.757172] Call Trace: [ 39.759755] [] dump_stack+0xc1/0x124 [ 39.765124] [] check_preemption_disabled+0x1d4/0x200 [ 39.771891] [] ? 0xffffffff810002b8 [ 39.777166] [] __this_cpu_preempt_check+0x1c/0x20 [ 39.783660] [] tcp_try_coalesce+0x249/0x4d0 [ 39.789638] [] ? tcp_parse_options+0x970/0x970 [ 39.795870] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 39.802957] [] tcp_queue_rcv+0x127/0x720 [ 39.808657] [] tcp_send_rcvq+0x39b/0x450 [ 39.814359] [] ? tcp_rcv_established+0x2230/0x2230 [ 39.820935] [] ? do_softirq.part.17+0x40/0x60 [ 39.821852] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5672 [ 39.821860] caller is __this_cpu_preempt_check+0x1c/0x20 [ 39.841037] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.847858] [] ? lock_sock_nested+0x90/0x120 [ 39.853890] [] ? trace_hardirqs_on+0xd/0x10 [ 39.859841] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 39.866134] [] tcp_sendmsg+0x1e8f/0x2b10 [ 39.871820] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 39.878808] [] ? sock_has_perm+0x1c2/0x3e0 [ 39.884672] [] ? tcp_sendpage+0x1830/0x1830 [ 39.890620] [] ? inet_sendmsg+0x201/0x4c0 [ 39.896395] [] inet_sendmsg+0x2bc/0x4c0 [ 39.901995] [] ? inet_sendmsg+0x73/0x4c0 [ 39.907685] [] ? inet_recvmsg+0x4c0/0x4c0 [ 39.913457] [] sock_sendmsg+0xca/0x110 [ 39.918968] [] ___sys_sendmsg+0x6c1/0x7c0 [ 39.924744] [] ? ___slab_alloc.constprop.76+0x35d/0x530 [ 39.931731] [] ? copy_msghdr_from_user+0x550/0x550 [ 39.938285] [] ? __fget+0x232/0x3b0 [ 39.943538] [] ? __fget+0x47/0x3b0 executing program executing program executing program executing program executing program executing program executing program executing program Cannot find device "erspan0" executing program [ 39.948703] [] ? __fget_light+0xa1/0x1e0 [ 39.954389] [] ? __fdget+0x18/0x20 [ 39.959553] [] __sys_sendmsg+0xd3/0x190 [ 39.965155] [] ? SyS_shutdown+0x1b0/0x1b0 [ 39.970929] [] ? __do_page_fault+0x380/0xa00 [ 39.976961] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 39.983777] [] SyS_sendmsg+0x2d/0x50 [ 39.989120] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program Cannot find device "erspan0" [ 39.995676] CPU: 0 PID: 5672 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 40.003376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.012713] 0000000000000000 b99f6133099efb9e ffff8800b9d9f6c8 ffffffff81d0394d [ 40.020726] 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801c88d9800 [ 40.028708] 0000000000000003 ffff8800b9d9f708 ffffffff81d63894 ffffffff810002b8 [ 40.036681] Call Trace: [ 40.039243] [] dump_stack+0xc1/0x124 [ 40.044580] [] check_preemption_disabled+0x1d4/0x200 [ 40.051301] [] ? 0xffffffff810002b8 [ 40.056546] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.063008] [] tcp_try_coalesce+0x249/0x4d0 [ 40.068948] [] ? tcp_parse_options+0x970/0x970 [ 40.075148] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 40.082217] [] tcp_queue_rcv+0x127/0x720 [ 40.087898] [] tcp_send_rcvq+0x39b/0x450 [ 40.093577] [] ? tcp_rcv_established+0x2230/0x2230 [ 40.100126] [] ? do_softirq.part.17+0x40/0x60 [ 40.106245] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.113055] [] ? lock_sock_nested+0x90/0x120 [ 40.119108] [] ? trace_hardirqs_on+0xd/0x10 [ 40.125048] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 40.131337] [] tcp_sendmsg+0x1e8f/0x2b10 [ 40.137017] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 40.144013] [] ? sock_has_perm+0x1c2/0x3e0 [ 40.149869] [] ? tcp_sendpage+0x1830/0x1830 [ 40.155814] [] ? inet_sendmsg+0x201/0x4c0 [ 40.161580] [] inet_sendmsg+0x2bc/0x4c0 [ 40.167171] [] ? inet_sendmsg+0x73/0x4c0 [ 40.172852] [] ? inet_recvmsg+0x4c0/0x4c0 [ 40.178619] [] sock_sendmsg+0xca/0x110 [ 40.184129] [] ___sys_sendmsg+0x6c1/0x7c0 [ 40.189896] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.196446] [] ? __fget+0x232/0x3b0 executing program executing program executing program executing program [ 40.201691] [] ? __fget+0x47/0x3b0 [ 40.206850] [] ? __fget_light+0xa1/0x1e0 [ 40.212529] [] ? __fdget+0x18/0x20 [ 40.217690] [] __sys_sendmsg+0xd3/0x190 [ 40.223292] [] ? SyS_shutdown+0x1b0/0x1b0 [ 40.229060] [] ? __do_page_fault+0x380/0xa00 [ 40.235091] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.241900] [] SyS_sendmsg+0x2d/0x50 [ 40.247235] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program [ 40.316780] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5576 [ 40.325715] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.331301] CPU: 1 PID: 5576 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 40.338997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.348340] 0000000000000000 630381ad8b8db620 ffff8801d8af76c8 ffffffff81d0394d [ 40.356372] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8800ad0a6000 executing program executing program executing program executing program executing program Cannot find device "ip6gretap0" Cannot find device "erspan0" executing program [ 40.364395] 0000000000000003 ffff8801d8af7708 ffffffff81d63894 ffffffff810002b8 [ 40.372436] Call Trace: [ 40.375016] [] dump_stack+0xc1/0x124 [ 40.380372] [] check_preemption_disabled+0x1d4/0x200 [ 40.387109] [] ? 0xffffffff810002b8 [ 40.392377] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.398871] [] tcp_try_coalesce+0x249/0x4d0 [ 40.404831] [] ? tcp_parse_options+0x970/0x970 executing program [ 40.411054] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 40.418158] [] tcp_queue_rcv+0x127/0x720 [ 40.423863] [] tcp_send_rcvq+0x39b/0x450 [ 40.429563] [] ? tcp_rcv_established+0x2230/0x2230 [ 40.436115] [] ? do_softirq.part.17+0x40/0x60 [ 40.442230] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.449041] [] ? lock_sock_nested+0x90/0x120 [ 40.455071] [] ? trace_hardirqs_on+0xd/0x10 [ 40.461012] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 40.467304] [] tcp_sendmsg+0x1e8f/0x2b10 [ 40.472984] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 40.479967] [] ? sock_has_perm+0x1c2/0x3e0 [ 40.485821] [] ? tcp_sendpage+0x1830/0x1830 [ 40.491764] [] ? inet_sendmsg+0x201/0x4c0 [ 40.497533] [] inet_sendmsg+0x2bc/0x4c0 [ 40.503127] [] ? inet_sendmsg+0x73/0x4c0 [ 40.508807] [] ? inet_recvmsg+0x4c0/0x4c0 [ 40.514573] [] sock_sendmsg+0xca/0x110 [ 40.520083] [] ___sys_sendmsg+0x6c1/0x7c0 [ 40.525850] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.532401] [] ? __fget+0x232/0x3b0 [ 40.537648] [] ? __fget+0x47/0x3b0 [ 40.542808] [] ? __fget_light+0xa1/0x1e0 [ 40.548487] [] ? __fdget+0x18/0x20 [ 40.553646] [] __sys_sendmsg+0xd3/0x190 [ 40.559238] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program [ 40.565007] [] ? __do_page_fault+0x380/0xa00 [ 40.571036] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.577846] [] SyS_sendmsg+0x2d/0x50 [ 40.583181] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program Cannot find device "erspan0" executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.733983] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5509 [ 40.742585] caller is __this_cpu_preempt_check+0x1c/0x20 [ 40.748057] CPU: 1 PID: 5509 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 40.755755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.765621] 0000000000000000 2420b507c97feac3 ffff8801c9f676c8 ffffffff81d0394d [ 40.773658] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801d94e3000 executing program [ 40.781705] 0000000000000003 ffff8801c9f67708 ffffffff81d63894 ffffffff810002b8 [ 40.789765] Call Trace: [ 40.792329] [] dump_stack+0xc1/0x124 [ 40.797664] [] check_preemption_disabled+0x1d4/0x200 [ 40.804387] [] ? 0xffffffff810002b8 [ 40.809632] [] __this_cpu_preempt_check+0x1c/0x20 [ 40.816096] [] tcp_try_coalesce+0x249/0x4d0 [ 40.822044] [] ? tcp_parse_options+0x970/0x970 [ 40.828252] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 40.835323] [] tcp_queue_rcv+0x127/0x720 [ 40.841000] [] tcp_send_rcvq+0x39b/0x450 [ 40.846679] [] ? tcp_rcv_established+0x2230/0x2230 [ 40.853232] [] ? do_softirq.part.17+0x40/0x60 [ 40.859347] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.866164] [] ? lock_sock_nested+0x90/0x120 [ 40.872189] [] ? trace_hardirqs_on+0xd/0x10 [ 40.878130] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 40.884418] [] tcp_sendmsg+0x1e8f/0x2b10 [ 40.890098] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 40.897080] [] ? sock_has_perm+0x1c2/0x3e0 [ 40.902933] [] ? tcp_sendpage+0x1830/0x1830 [ 40.908873] [] ? inet_sendmsg+0x201/0x4c0 [ 40.914639] [] inet_sendmsg+0x2bc/0x4c0 [ 40.920231] [] ? inet_sendmsg+0x73/0x4c0 [ 40.925912] [] ? inet_recvmsg+0x4c0/0x4c0 [ 40.931678] [] sock_sendmsg+0xca/0x110 [ 40.937183] [] ___sys_sendmsg+0x6c1/0x7c0 [ 40.942949] [] ? copy_msghdr_from_user+0x550/0x550 [ 40.949499] [] ? __fget+0x232/0x3b0 [ 40.954742] [] ? __fget+0x47/0x3b0 [ 40.959900] [] ? __fget_light+0xa1/0x1e0 [ 40.965579] [] ? __fdget+0x18/0x20 [ 40.970740] [] __sys_sendmsg+0xd3/0x190 [ 40.976335] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program [ 40.982103] [] ? __do_page_fault+0x380/0xa00 [ 40.988141] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 40.994952] [] SyS_sendmsg+0x2d/0x50 [ 41.000285] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 41.014792] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5682 [ 41.023624] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.029271] CPU: 1 PID: 5682 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 41.036970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.046296] 0000000000000000 284327d41a91cb54 ffff8801c9ecf6c8 ffffffff81d0394d [ 41.054275] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8800ba770000 [ 41.062252] 0000000000000003 ffff8801c9ecf708 ffffffff81d63894 ffffffff810002b8 [ 41.070230] Call Trace: [ 41.072798] [] dump_stack+0xc1/0x124 [ 41.078134] [] check_preemption_disabled+0x1d4/0x200 [ 41.084854] [] ? 0xffffffff810002b8 [ 41.090099] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.096560] [] tcp_try_coalesce+0x249/0x4d0 [ 41.102500] [] ? tcp_parse_options+0x970/0x970 [ 41.108705] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 41.115776] [] tcp_queue_rcv+0x127/0x720 [ 41.121457] [] tcp_send_rcvq+0x39b/0x450 [ 41.127135] [] ? tcp_rcv_established+0x2230/0x2230 [ 41.133685] [] ? do_softirq.part.17+0x40/0x60 [ 41.139799] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.146609] [] ? lock_sock_nested+0x90/0x120 [ 41.152634] [] ? trace_hardirqs_on+0xd/0x10 [ 41.158578] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 41.164867] [] tcp_sendmsg+0x1e8f/0x2b10 [ 41.170547] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 41.177532] [] ? sock_has_perm+0x1c2/0x3e0 [ 41.183386] [] ? tcp_sendpage+0x1830/0x1830 [ 41.189330] [] ? inet_sendmsg+0x201/0x4c0 [ 41.195098] [] inet_sendmsg+0x2bc/0x4c0 [ 41.200691] [] ? inet_sendmsg+0x73/0x4c0 [ 41.206373] [] ? inet_recvmsg+0x4c0/0x4c0 [ 41.212138] [] sock_sendmsg+0xca/0x110 [ 41.217645] [] ___sys_sendmsg+0x6c1/0x7c0 [ 41.223412] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.229960] [] ? __fget+0x232/0x3b0 [ 41.235204] [] ? __fget+0x47/0x3b0 [ 41.240363] [] ? __fget_light+0xa1/0x1e0 [ 41.246044] [] ? __fdget+0x18/0x20 [ 41.251202] [] __sys_sendmsg+0xd3/0x190 [ 41.256795] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.262565] [] ? SyS_futex+0x210/0x2c0 [ 41.268071] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.274881] [] SyS_sendmsg+0x2d/0x50 executing program executing program executing program [ 41.280217] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program Cannot find device "erspan0" executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program Cannot find device "erspan0" executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 41.528517] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5672 [ 41.537164] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.542619] CPU: 1 PID: 5672 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 41.550320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.559680] 0000000000000000 b99f6133099efb9e ffff8800b9d9f6c8 ffffffff81d0394d [ 41.567730] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801c88d9800 executing program Cannot find device "erspan0" executing program executing program executing program executing program executing program [ 41.575823] 0000000000000003 ffff8800b9d9f708 ffffffff81d63894 ffffffff810002b8 [ 41.583863] Call Trace: [ 41.586448] [] dump_stack+0xc1/0x124 [ 41.591808] [] check_preemption_disabled+0x1d4/0x200 [ 41.598552] [] ? 0xffffffff810002b8 [ 41.603828] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.610307] [] tcp_try_coalesce+0x249/0x4d0 [ 41.616268] [] ? tcp_parse_options+0x970/0x970 executing program executing program executing program executing program [ 41.622488] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 41.629575] [] tcp_queue_rcv+0x127/0x720 [ 41.635273] [] tcp_send_rcvq+0x39b/0x450 [ 41.640979] [] ? tcp_rcv_established+0x2230/0x2230 [ 41.647544] [] ? do_softirq.part.17+0x40/0x60 [ 41.654541] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.661378] [] ? lock_sock_nested+0x90/0x120 [ 41.667432] [] ? trace_hardirqs_on+0xd/0x10 executing program executing program [ 41.673403] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 41.679718] [] tcp_sendmsg+0x1e8f/0x2b10 [ 41.685421] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 41.692440] [] ? sock_has_perm+0x1c2/0x3e0 [ 41.698328] [] ? tcp_sendpage+0x1830/0x1830 [ 41.704298] [] ? inet_sendmsg+0x201/0x4c0 [ 41.710093] [] inet_sendmsg+0x2bc/0x4c0 [ 41.715702] [] ? inet_sendmsg+0x73/0x4c0 [ 41.721423] [] ? inet_recvmsg+0x4c0/0x4c0 executing program [ 41.727218] [] sock_sendmsg+0xca/0x110 [ 41.732751] [] ___sys_sendmsg+0x6c1/0x7c0 [ 41.735898] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5517 [ 41.735907] caller is __this_cpu_preempt_check+0x1c/0x20 [ 41.752487] [] ? copy_msghdr_from_user+0x550/0x550 [ 41.759044] [] ? __fget+0x232/0x3b0 [ 41.764297] [] ? __fget+0x47/0x3b0 [ 41.769466] [] ? __fget_light+0xa1/0x1e0 [ 41.775150] [] ? __fdget+0x18/0x20 [ 41.780314] [] __sys_sendmsg+0xd3/0x190 [ 41.785913] [] ? SyS_shutdown+0x1b0/0x1b0 [ 41.791688] [] ? __do_page_fault+0x380/0xa00 [ 41.797729] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.804543] [] SyS_sendmsg+0x2d/0x50 [ 41.809884] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 41.816439] CPU: 0 PID: 5517 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 41.824147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.833488] 0000000000000000 8f926b91f6e5f8b2 ffff8800ae0276c8 ffffffff81d0394d [ 41.841460] 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801ca331800 [ 41.849429] 0000000000000003 ffff8800ae027708 ffffffff81d63894 ffffffff810002b8 [ 41.857401] Call Trace: [ 41.859961] [] dump_stack+0xc1/0x124 [ 41.865298] [] check_preemption_disabled+0x1d4/0x200 [ 41.872018] [] ? 0xffffffff810002b8 [ 41.877265] [] __this_cpu_preempt_check+0x1c/0x20 [ 41.883728] [] tcp_try_coalesce+0x249/0x4d0 [ 41.889673] [] ? tcp_parse_options+0x970/0x970 [ 41.895875] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 41.902945] [] tcp_queue_rcv+0x127/0x720 [ 41.908623] [] tcp_send_rcvq+0x39b/0x450 [ 41.914304] [] ? tcp_rcv_established+0x2230/0x2230 [ 41.920852] [] ? do_softirq.part.17+0x40/0x60 [ 41.926968] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 41.933776] [] ? lock_sock_nested+0x90/0x120 [ 41.939804] [] ? trace_hardirqs_on+0xd/0x10 [ 41.945765] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 41.952055] [] tcp_sendmsg+0x1e8f/0x2b10 [ 41.957737] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 41.964722] [] ? sock_has_perm+0x1c2/0x3e0 [ 41.970579] [] ? tcp_sendpage+0x1830/0x1830 [ 41.976521] [] ? inet_sendmsg+0x201/0x4c0 [ 41.982289] [] inet_sendmsg+0x2bc/0x4c0 [ 41.987880] [] ? inet_sendmsg+0x73/0x4c0 [ 41.993560] [] ? inet_recvmsg+0x4c0/0x4c0 [ 41.999328] [] sock_sendmsg+0xca/0x110 [ 42.004836] [] ___sys_sendmsg+0x6c1/0x7c0 [ 42.010603] [] ? copy_msghdr_from_user+0x550/0x550 [ 42.017153] [] ? __fget+0x232/0x3b0 [ 42.022398] [] ? __fget+0x47/0x3b0 executing program executing program executing program executing program executing program [ 42.027559] [] ? __fget_light+0xa1/0x1e0 [ 42.033238] [] ? __fdget+0x18/0x20 [ 42.038396] [] __sys_sendmsg+0xd3/0x190 [ 42.043988] [] ? SyS_shutdown+0x1b0/0x1b0 [ 42.049757] [] ? __do_page_fault+0x380/0xa00 [ 42.055786] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 42.062596] [] SyS_sendmsg+0x2d/0x50 [ 42.067932] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program Cannot find device "erspan0" executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 44.137679] check_preemption_disabled: 14 callbacks suppressed [ 44.143769] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5650 [ 44.152358] caller is __this_cpu_preempt_check+0x1c/0x20 [ 44.157828] CPU: 1 PID: 5650 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 44.162567] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5727 [ 44.162577] caller is __this_cpu_preempt_check+0x1c/0x20 [ 44.179482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.188809] 0000000000000000 e36d38afdb737d73 ffff8800b8c676c8 ffffffff81d0394d [ 44.196807] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8800b8c58000 [ 44.204801] 0000000000000003 ffff8800b8c67708 ffffffff81d63894 ffffffff810002b8 [ 44.212802] Call Trace: [ 44.215368] [] dump_stack+0xc1/0x124 [ 44.220708] [] check_preemption_disabled+0x1d4/0x200 [ 44.227437] [] ? 0xffffffff810002b8 [ 44.232691] [] __this_cpu_preempt_check+0x1c/0x20 [ 44.239167] [] tcp_try_coalesce+0x249/0x4d0 [ 44.245127] [] ? tcp_parse_options+0x970/0x970 [ 44.251349] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 44.258430] [] tcp_queue_rcv+0x127/0x720 [ 44.264116] [] tcp_send_rcvq+0x39b/0x450 [ 44.269801] [] ? tcp_rcv_established+0x2230/0x2230 [ 44.276362] [] ? do_softirq.part.17+0x40/0x60 [ 44.282485] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.289299] [] ? lock_sock_nested+0x90/0x120 [ 44.295332] [] ? trace_hardirqs_on+0xd/0x10 [ 44.301279] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 44.307572] [] tcp_sendmsg+0x1e8f/0x2b10 [ 44.313257] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 44.320249] [] ? sock_has_perm+0x1c2/0x3e0 [ 44.326107] [] ? tcp_sendpage+0x1830/0x1830 [ 44.332058] [] ? inet_sendmsg+0x201/0x4c0 [ 44.337830] [] inet_sendmsg+0x2bc/0x4c0 [ 44.343427] [] ? inet_sendmsg+0x73/0x4c0 [ 44.349111] [] ? inet_recvmsg+0x4c0/0x4c0 [ 44.354888] [] sock_sendmsg+0xca/0x110 [ 44.360400] [] ___sys_sendmsg+0x6c1/0x7c0 [ 44.366174] [] ? copy_msghdr_from_user+0x550/0x550 [ 44.372726] [] ? mark_held_locks+0xaf/0x100 [ 44.378676] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 44.384970] [] ? __fget+0x232/0x3b0 [ 44.390220] [] ? __fget+0x47/0x3b0 [ 44.395385] [] ? __fget_light+0xa1/0x1e0 [ 44.401069] [] ? __fdget+0x18/0x20 [ 44.406233] [] __sys_sendmsg+0xd3/0x190 [ 44.411831] [] ? SyS_shutdown+0x1b0/0x1b0 [ 44.417603] [] ? memset+0x31/0x40 [ 44.422683] [] ? vmacache_update+0xfe/0x130 [ 44.428635] [] ? __do_page_fault+0x380/0xa00 [ 44.434670] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.441483] [] SyS_sendmsg+0x2d/0x50 [ 44.446822] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 44.453379] CPU: 0 PID: 5727 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 44.461077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.470415] 0000000000000000 13eda192bd3f9a8e ffff8801c9d976c8 ffffffff81d0394d [ 44.478460] 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801d4590000 [ 44.486485] 0000000000000003 ffff8801c9d97708 ffffffff81d63894[ 44.491675] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5682 [ 44.491686] caller is __this_cpu_preempt_check+0x1c/0x20 [ 44.506610] ffffffff810002b8 [ 44.510110] Call Trace: [ 44.512675] [] dump_stack+0xc1/0x124 [ 44.518017] [] check_preemption_disabled+0x1d4/0x200 [ 44.524742] [] ? 0xffffffff810002b8 [ 44.529995] [] __this_cpu_preempt_check+0x1c/0x20 [ 44.536462] [] tcp_try_coalesce+0x249/0x4d0 [ 44.542408] [] ? tcp_parse_options+0x970/0x970 [ 44.548616] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 44.555690] [] tcp_queue_rcv+0x127/0x720 [ 44.561376] [] tcp_send_rcvq+0x39b/0x450 [ 44.567063] [] ? tcp_rcv_established+0x2230/0x2230 [ 44.573617] [] ? do_softirq.part.17+0x40/0x60 [ 44.579741] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.586559] [] ? lock_sock_nested+0x90/0x120 [ 44.592594] [] ? trace_hardirqs_on+0xd/0x10 [ 44.598541] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 44.604839] [] tcp_sendmsg+0x1e8f/0x2b10 [ 44.610524] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 44.617513] [] ? sock_has_perm+0x1c2/0x3e0 [ 44.623372] [] ? tcp_sendpage+0x1830/0x1830 [ 44.629324] [] ? inet_sendmsg+0x201/0x4c0 [ 44.635096] [] inet_sendmsg+0x2bc/0x4c0 [ 44.640694] [] ? inet_sendmsg+0x73/0x4c0 [ 44.646380] [] ? inet_recvmsg+0x4c0/0x4c0 [ 44.652153] [] sock_sendmsg+0xca/0x110 [ 44.657668] [] ___sys_sendmsg+0x6c1/0x7c0 [ 44.663440] [] ? copy_msghdr_from_user+0x550/0x550 [ 44.669994] [] ? __fget+0x232/0x3b0 [ 44.675248] [] ? __fget+0x47/0x3b0 [ 44.680411] [] ? __fget_light+0xa1/0x1e0 executing program executing program executing program executing program executing program executing program executing program [ 44.686094] [] ? __fdget+0x18/0x20 [ 44.691258] [] __sys_sendmsg+0xd3/0x190 [ 44.696855] [] ? SyS_shutdown+0x1b0/0x1b0 [ 44.702628] [] ? __do_page_fault+0x380/0xa00 [ 44.708664] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.715477] [] SyS_sendmsg+0x2d/0x50 [ 44.720821] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 44.727377] CPU: 1 PID: 5682 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 44.735074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.744404] 0000000000000000 284327d41a91cb54 ffff8801c9ecf6c8 ffffffff81d0394d [ 44.752380] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8800ba770000 [ 44.760354] 0000000000000003 ffff8801c9ecf708 ffffffff81d63894 ffffffff810002b8 [ 44.768330] Call Trace: [ 44.770894] [] dump_stack+0xc1/0x124 [ 44.776229] [] check_preemption_disabled+0x1d4/0x200 [ 44.782950] [] ? 0xffffffff810002b8 [ 44.788199] [] __this_cpu_preempt_check+0x1c/0x20 [ 44.794665] [] tcp_try_coalesce+0x249/0x4d0 [ 44.800605] [] ? tcp_parse_options+0x970/0x970 [ 44.806809] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 44.813878] [] tcp_queue_rcv+0x127/0x720 [ 44.819557] [] tcp_send_rcvq+0x39b/0x450 [ 44.825244] [] ? tcp_rcv_established+0x2230/0x2230 [ 44.831796] [] ? do_softirq.part.17+0x40/0x60 [ 44.837913] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.844723] [] ? lock_sock_nested+0x90/0x120 [ 44.850752] [] ? trace_hardirqs_on+0xd/0x10 [ 44.856692] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 44.862981] [] tcp_sendmsg+0x1e8f/0x2b10 [ 44.868662] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 44.875647] [] ? sock_has_perm+0x1c2/0x3e0 [ 44.881501] [] ? tcp_sendpage+0x1830/0x1830 [ 44.887441] [] ? inet_sendmsg+0x201/0x4c0 [ 44.893206] [] inet_sendmsg+0x2bc/0x4c0 [ 44.898801] [] ? inet_sendmsg+0x73/0x4c0 [ 44.904480] [] ? inet_recvmsg+0x4c0/0x4c0 [ 44.910245] [] sock_sendmsg+0xca/0x110 [ 44.915752] [] ___sys_sendmsg+0x6c1/0x7c0 [ 44.921520] [] ? copy_msghdr_from_user+0x550/0x550 [ 44.928071] [] ? __fget+0x232/0x3b0 [ 44.933317] [] ? __fget+0x47/0x3b0 executing program executing program executing program executing program [ 44.938478] [] ? __fget_light+0xa1/0x1e0 [ 44.944158] [] ? __fdget+0x18/0x20 [ 44.949318] [] __sys_sendmsg+0xd3/0x190 [ 44.954912] [] ? SyS_shutdown+0x1b0/0x1b0 [ 44.960681] [] ? __do_page_fault+0x380/0xa00 [ 44.966711] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 44.973520] [] SyS_sendmsg+0x2d/0x50 [ 44.978853] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 45.080668] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5673 [ 45.089390] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.094901] CPU: 1 PID: 5673 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 45.102595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.111934] 0000000000000000 c7bad8ecacace72d ffff8800b75f76c8 ffffffff81d0394d [ 45.119992] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801c88db000 [ 45.127985] 0000000000000003 ffff8800b75f7708 ffffffff81d63894 ffffffff810002b8 [ 45.135959] Call Trace: [ 45.138530] [] dump_stack+0xc1/0x124 [ 45.143866] [] check_preemption_disabled+0x1d4/0x200 [ 45.150584] [] ? 0xffffffff810002b8 [ 45.155831] [] __this_cpu_preempt_check+0x1c/0x20 [ 45.162295] [] tcp_try_coalesce+0x249/0x4d0 [ 45.168240] [] ? tcp_parse_options+0x970/0x970 [ 45.174444] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 45.181516] [] tcp_queue_rcv+0x127/0x720 [ 45.187195] [] tcp_send_rcvq+0x39b/0x450 [ 45.192875] [] ? tcp_rcv_established+0x2230/0x2230 [ 45.199425] [] ? do_softirq.part.17+0x40/0x60 [ 45.205540] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.212349] [] ? lock_sock_nested+0x90/0x120 [ 45.218377] [] ? trace_hardirqs_on+0xd/0x10 [ 45.224406] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 45.230696] [] tcp_sendmsg+0x1e8f/0x2b10 [ 45.236376] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 45.243362] [] ? sock_has_perm+0x1c2/0x3e0 [ 45.249217] [] ? tcp_sendpage+0x1830/0x1830 [ 45.255161] [] ? inet_sendmsg+0x201/0x4c0 [ 45.260928] [] inet_sendmsg+0x2bc/0x4c0 [ 45.266520] [] ? inet_sendmsg+0x73/0x4c0 [ 45.272202] [] ? inet_recvmsg+0x4c0/0x4c0 [ 45.277971] [] sock_sendmsg+0xca/0x110 [ 45.283477] [] ___sys_sendmsg+0x6c1/0x7c0 [ 45.289245] [] ? trace_hardirqs_on_thunk+0x17/0x19 [ 45.295793] [] ? copy_msghdr_from_user+0x550/0x550 [ 45.302342] [] ? __fget+0x232/0x3b0 [ 45.307586] [] ? __fget+0x47/0x3b0 [ 45.312746] [] ? __fget_light+0xa1/0x1e0 [ 45.318425] [] ? __fdget+0x18/0x20 [ 45.323588] [] __sys_sendmsg+0xd3/0x190 executing program executing program executing program executing program executing program executing program executing program [ 45.329182] [] ? SyS_shutdown+0x1b0/0x1b0 [ 45.334952] [] ? __do_page_fault+0x380/0xa00 [ 45.340980] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.347787] [] SyS_sendmsg+0x2d/0x50 [ 45.353125] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program [ 45.404355] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5576 [ 45.413027] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.418487] CPU: 1 PID: 5576 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 45.426171] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.435498] 0000000000000000 630381ad8b8db620 ffff8801d8af76c8 ffffffff81d0394d [ 45.443473] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8800ad0a6000 [ 45.451450] 0000000000000003 ffff8801d8af7708 ffffffff81d63894 ffffffff810002b8 [ 45.459423] Call Trace: [ 45.461985] [] dump_stack+0xc1/0x124 [ 45.467322] [] check_preemption_disabled+0x1d4/0x200 [ 45.474043] [] ? 0xffffffff810002b8 [ 45.479288] [] __this_cpu_preempt_check+0x1c/0x20 [ 45.485753] [] tcp_try_coalesce+0x249/0x4d0 [ 45.491694] [] ? tcp_parse_options+0x970/0x970 [ 45.497900] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 45.504971] [] tcp_queue_rcv+0x127/0x720 [ 45.510651] [] tcp_send_rcvq+0x39b/0x450 [ 45.516329] [] ? tcp_rcv_established+0x2230/0x2230 [ 45.522881] [] ? do_softirq.part.17+0x40/0x60 [ 45.528996] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.535805] [] ? lock_sock_nested+0x90/0x120 [ 45.541833] [] ? trace_hardirqs_on+0xd/0x10 [ 45.547776] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 45.554063] [] tcp_sendmsg+0x1e8f/0x2b10 [ 45.559742] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 45.566725] [] ? sock_has_perm+0x1c2/0x3e0 [ 45.572579] [] ? tcp_sendpage+0x1830/0x1830 [ 45.578521] [] ? inet_sendmsg+0x201/0x4c0 [ 45.584287] [] inet_sendmsg+0x2bc/0x4c0 [ 45.589882] [] ? inet_sendmsg+0x73/0x4c0 [ 45.595563] [] ? inet_recvmsg+0x4c0/0x4c0 [ 45.601328] [] sock_sendmsg+0xca/0x110 [ 45.606833] [] ___sys_sendmsg+0x6c1/0x7c0 [ 45.612599] [] ? copy_msghdr_from_user+0x550/0x550 [ 45.619147] [] ? __fget+0x232/0x3b0 [ 45.624392] [] ? __fget+0x47/0x3b0 [ 45.629554] [] ? __fget_light+0xa1/0x1e0 [ 45.635232] [] ? __fdget+0x18/0x20 [ 45.640390] [] __sys_sendmsg+0xd3/0x190 [ 45.645982] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program [ 45.651751] [] ? __do_page_fault+0x380/0xa00 [ 45.658266] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 45.665076] [] SyS_sendmsg+0x2d/0x50 [ 45.670409] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 45.942318] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5727 [ 45.951192] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.956672] CPU: 0 PID: 5727 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 45.964363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.973710] 0000000000000000 13eda192bd3f9a8e ffff8801c9d976c8 ffffffff81d0394d [ 45.981754] 0000000000000000[ 45.983226] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5674 [ 45.983237] caller is __this_cpu_preempt_check+0x1c/0x20 [ 45.998631] ffffffff839fe3a0 ffffffff83cef720 ffff8801d4590000 [ 46.005326] 0000000000000003 ffff8801c9d97708 ffffffff81d63894 ffffffff810002b8 [ 46.013329] Call Trace: [ 46.015895] [] dump_stack+0xc1/0x124 [ 46.021235] [] check_preemption_disabled+0x1d4/0x200 [ 46.027960] [] ? 0xffffffff810002b8 [ 46.033214] [] __this_cpu_preempt_check+0x1c/0x20 [ 46.039681] [] tcp_try_coalesce+0x249/0x4d0 [ 46.045628] [] ? tcp_parse_options+0x970/0x970 [ 46.051836] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 46.058914] [] tcp_queue_rcv+0x127/0x720 [ 46.064604] [] tcp_send_rcvq+0x39b/0x450 [ 46.070288] [] ? tcp_rcv_established+0x2230/0x2230 [ 46.076843] [] ? do_softirq.part.17+0x40/0x60 [ 46.082965] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.089782] [] ? lock_sock_nested+0x90/0x120 [ 46.095816] [] ? trace_hardirqs_on+0xd/0x10 [ 46.101761] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 46.108058] [] tcp_sendmsg+0x1e8f/0x2b10 [ 46.113745] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 46.120734] [] ? sock_has_perm+0x1c2/0x3e0 [ 46.126621] [] ? tcp_sendpage+0x1830/0x1830 [ 46.132567] [] ? inet_sendmsg+0x201/0x4c0 [ 46.138339] [] inet_sendmsg+0x2bc/0x4c0 [ 46.143937] [] ? inet_sendmsg+0x73/0x4c0 [ 46.149623] [] ? inet_recvmsg+0x4c0/0x4c0 [ 46.155396] [] sock_sendmsg+0xca/0x110 [ 46.160908] [] ___sys_sendmsg+0x6c1/0x7c0 [ 46.166681] [] ? copy_msghdr_from_user+0x550/0x550 [ 46.173237] [] ? __fget+0x232/0x3b0 [ 46.178498] [] ? __fget+0x47/0x3b0 [ 46.183662] [] ? __fget_light+0xa1/0x1e0 executing program executing program executing program executing program executing program executing program [ 46.189346] [] ? __fdget+0x18/0x20 [ 46.194516] [] __sys_sendmsg+0xd3/0x190 [ 46.200116] [] ? SyS_shutdown+0x1b0/0x1b0 [ 46.205891] [] ? __do_page_fault+0x380/0xa00 [ 46.211928] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.218741] [] SyS_sendmsg+0x2d/0x50 [ 46.224083] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 46.230640] CPU: 1 PID: 5674 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 46.238345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.247685] 0000000000000000[ 46.250329] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5564 [ 46.250340] caller is __this_cpu_preempt_check+0x1c/0x20 [ 46.264568] 73b495c29ff02617 ffff8801d81276c8 ffffffff81d0394d [ 46.271261] 0000000000000001 ffffffff839fe3a0 ffffffff83cef720 ffff8801d8ba8000 [ 46.279249] 0000000000000003 ffff8801d8127708 ffffffff81d63894 ffffffff810002b8 [ 46.287240] Call Trace: [ 46.289807] [] dump_stack+0xc1/0x124 [ 46.295149] [] check_preemption_disabled+0x1d4/0x200 [ 46.301877] [] ? 0xffffffff810002b8 [ 46.307128] [] __this_cpu_preempt_check+0x1c/0x20 [ 46.313599] [] tcp_try_coalesce+0x249/0x4d0 [ 46.319545] [] ? tcp_parse_options+0x970/0x970 [ 46.325753] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 46.332830] [] tcp_queue_rcv+0x127/0x720 [ 46.338518] [] tcp_send_rcvq+0x39b/0x450 [ 46.344203] [] ? tcp_rcv_established+0x2230/0x2230 [ 46.350758] [] ? do_softirq.part.17+0x40/0x60 [ 46.356881] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.363696] [] ? lock_sock_nested+0x90/0x120 [ 46.369729] [] ? trace_hardirqs_on+0xd/0x10 [ 46.375675] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 46.381969] [] tcp_sendmsg+0x1e8f/0x2b10 [ 46.387655] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 46.394643] [] ? sock_has_perm+0x1c2/0x3e0 [ 46.400503] [] ? tcp_sendpage+0x1830/0x1830 [ 46.406455] [] ? inet_sendmsg+0x201/0x4c0 [ 46.412229] [] inet_sendmsg+0x2bc/0x4c0 [ 46.417826] [] ? inet_sendmsg+0x73/0x4c0 [ 46.423516] [] ? inet_recvmsg+0x4c0/0x4c0 [ 46.429291] [] sock_sendmsg+0xca/0x110 [ 46.434802] [] ___sys_sendmsg+0x6c1/0x7c0 [ 46.440574] [] ? copy_msghdr_from_user+0x550/0x550 [ 46.447130] [] ? __fget+0x232/0x3b0 [ 46.452385] [] ? __fget+0x47/0x3b0 [ 46.457550] [] ? __fget_light+0xa1/0x1e0 [ 46.463238] [] ? __fdget+0x18/0x20 [ 46.468404] [] __sys_sendmsg+0xd3/0x190 [ 46.474003] [] ? SyS_shutdown+0x1b0/0x1b0 [ 46.479779] [] ? __do_page_fault+0x380/0xa00 [ 46.485816] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.492631] [] SyS_sendmsg+0x2d/0x50 [ 46.497971] [] entry_SYSCALL_64_fastpath+0x1c/0x98 [ 46.504526] CPU: 0 PID: 5564 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 46.512225] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.521559] 0000000000000000 88d95da041cbb024 ffff8800b54bf6c8 ffffffff81d0394d [ 46.529532] 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801d9336000 [ 46.537505] 0000000000000003 ffff8800b54bf708 ffffffff81d63894 ffffffff810002b8 [ 46.545476] Call Trace: [ 46.548038] [] dump_stack+0xc1/0x124 [ 46.553373] [] check_preemption_disabled+0x1d4/0x200 [ 46.560095] [] ? 0xffffffff810002b8 [ 46.565343] [] __this_cpu_preempt_check+0x1c/0x20 [ 46.571806] [] tcp_try_coalesce+0x249/0x4d0 [ 46.577749] [] ? tcp_parse_options+0x970/0x970 [ 46.583953] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 46.591024] [] tcp_queue_rcv+0x127/0x720 [ 46.596703] [] tcp_send_rcvq+0x39b/0x450 [ 46.602382] [] ? tcp_rcv_established+0x2230/0x2230 [ 46.608933] [] ? do_softirq.part.17+0x40/0x60 [ 46.615049] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.621857] [] ? lock_sock_nested+0x90/0x120 [ 46.627884] [] ? trace_hardirqs_on+0xd/0x10 [ 46.633835] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 46.640126] [] tcp_sendmsg+0x1e8f/0x2b10 [ 46.645805] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 46.652789] [] ? sock_has_perm+0x1c2/0x3e0 [ 46.658645] [] ? tcp_sendpage+0x1830/0x1830 [ 46.664587] [] ? inet_sendmsg+0x201/0x4c0 [ 46.670354] [] inet_sendmsg+0x2bc/0x4c0 [ 46.675948] [] ? inet_sendmsg+0x73/0x4c0 [ 46.681626] [] ? inet_recvmsg+0x4c0/0x4c0 [ 46.687396] [] sock_sendmsg+0xca/0x110 [ 46.692901] [] ___sys_sendmsg+0x6c1/0x7c0 [ 46.698669] [] ? copy_msghdr_from_user+0x550/0x550 [ 46.705219] [] ? do_huge_pmd_wp_page+0xb06/0x1560 [ 46.711692] [] ? __fget+0x232/0x3b0 [ 46.716940] [] ? __fget+0x47/0x3b0 [ 46.722098] [] ? __fget_light+0xa1/0x1e0 [ 46.727778] [] ? __fdget+0x18/0x20 [ 46.732938] [] __sys_sendmsg+0xd3/0x190 [ 46.738533] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program [ 46.744302] [] ? __do_page_fault+0x380/0xa00 [ 46.750331] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 46.757140] [] SyS_sendmsg+0x2d/0x50 [ 46.762477] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 46.932044] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5727 [ 46.940734] caller is __this_cpu_preempt_check+0x1c/0x20 [ 46.946241] CPU: 0 PID: 5727 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 46.953932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.963259] 0000000000000000 13eda192bd3f9a8e ffff8801c9d976c8 ffffffff81d0394d [ 46.971237] 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8801d4590000 [ 46.979206] 0000000000000003 ffff8801c9d97708 ffffffff81d63894 ffffffff810002b8 [ 46.987181] Call Trace: [ 46.989743] [] dump_stack+0xc1/0x124 [ 46.995082] [] check_preemption_disabled+0x1d4/0x200 [ 47.001805] [] ? 0xffffffff810002b8 [ 47.007051] [] __this_cpu_preempt_check+0x1c/0x20 [ 47.013515] [] tcp_try_coalesce+0x249/0x4d0 [ 47.019455] [] ? tcp_parse_options+0x970/0x970 [ 47.025656] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 47.032727] [] tcp_queue_rcv+0x127/0x720 [ 47.038407] [] tcp_send_rcvq+0x39b/0x450 [ 47.044087] [] ? tcp_rcv_established+0x2230/0x2230 [ 47.050640] [] ? do_softirq.part.17+0x40/0x60 [ 47.056755] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.063569] [] ? lock_sock_nested+0x90/0x120 [ 47.069599] [] ? trace_hardirqs_on+0xd/0x10 [ 47.075542] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 47.081830] [] tcp_sendmsg+0x1e8f/0x2b10 [ 47.087512] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 47.094497] [] ? sock_has_perm+0x1c2/0x3e0 [ 47.100352] [] ? tcp_sendpage+0x1830/0x1830 [ 47.106296] [] ? inet_sendmsg+0x201/0x4c0 [ 47.112065] [] inet_sendmsg+0x2bc/0x4c0 [ 47.117659] [] ? inet_sendmsg+0x73/0x4c0 [ 47.123341] [] ? inet_recvmsg+0x4c0/0x4c0 [ 47.129107] [] sock_sendmsg+0xca/0x110 [ 47.134612] [] ___sys_sendmsg+0x6c1/0x7c0 [ 47.140378] [] ? copy_msghdr_from_user+0x550/0x550 [ 47.146927] [] ? __fget+0x232/0x3b0 [ 47.152172] [] ? __fget+0x47/0x3b0 [ 47.157332] [] ? __fget_light+0xa1/0x1e0 [ 47.163013] [] ? __fdget+0x18/0x20 [ 47.168172] [] __sys_sendmsg+0xd3/0x190 [ 47.173764] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program [ 47.179536] [] ? __do_page_fault+0x380/0xa00 [ 47.185568] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.192376] [] SyS_sendmsg+0x2d/0x50 [ 47.197710] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.301071] BUG: using __this_cpu_add() in preemptible [00000000] code: syzkaller100327/5750 [ 47.309788] caller is __this_cpu_preempt_check+0x1c/0x20 [ 47.315412] CPU: 0 PID: 5750 Comm: syzkaller100327 Not tainted 4.4.114-ga81d322 #4 [ 47.323116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.332462] 0000000000000000 7a7dce0eabec26e9 ffff8800b94e76c8 ffffffff81d0394d [ 47.340543] 0000000000000000 ffffffff839fe3a0 ffffffff83cef720 ffff8800b95c4800 executing program executing program executing program executing program [ 47.348570] 0000000000000003 ffff8800b94e7708 ffffffff81d63894 ffffffff810002b8 [ 47.356596] Call Trace: [ 47.359178] [] dump_stack+0xc1/0x124 [ 47.364538] [] check_preemption_disabled+0x1d4/0x200 [ 47.371280] [] ? 0xffffffff810002b8 [ 47.376550] [] __this_cpu_preempt_check+0x1c/0x20 [ 47.383034] [] tcp_try_coalesce+0x249/0x4d0 [ 47.389000] [] ? tcp_parse_options+0x970/0x970 executing program executing program [ 47.395223] [] ? skb_copy_datagram_from_iter+0x38c/0x5a0 [ 47.402319] [] tcp_queue_rcv+0x127/0x720 [ 47.408023] [] tcp_send_rcvq+0x39b/0x450 [ 47.413719] [] ? tcp_rcv_established+0x2230/0x2230 [ 47.420285] [] ? do_softirq.part.17+0x40/0x60 [ 47.426414] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.433240] [] ? lock_sock_nested+0x90/0x120 [ 47.439293] [] ? trace_hardirqs_on+0xd/0x10 [ 47.445262] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 47.451580] [] tcp_sendmsg+0x1e8f/0x2b10 [ 47.457284] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 47.464284] [] ? sock_has_perm+0x1c2/0x3e0 [ 47.470164] [] ? tcp_sendpage+0x1830/0x1830 [ 47.476127] [] ? inet_sendmsg+0x201/0x4c0 [ 47.481918] [] inet_sendmsg+0x2bc/0x4c0 [ 47.487536] [] ? inet_sendmsg+0x73/0x4c0 [ 47.493244] [] ? inet_recvmsg+0x4c0/0x4c0 [ 47.499046] [] sock_sendmsg+0xca/0x110 [ 47.504584] [] ___sys_sendmsg+0x6c1/0x7c0 [ 47.510382] [] ? copy_msghdr_from_user+0x550/0x550 [ 47.516954] [] ? __fget+0x232/0x3b0 [ 47.522221] [] ? __fget+0x47/0x3b0 [ 47.527403] [] ? __fget_light+0xa1/0x1e0 [ 47.533107] [] ? __fdget+0x18/0x20 [ 47.538290] [] __sys_sendmsg+0xd3/0x190 [ 47.543904] [] ? SyS_shutdown+0x1b0/0x1b0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.549705] [] ? __do_page_fault+0x380/0xa00 [ 47.555754] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 47.562584] [] SyS_sendmsg+0x2d/0x50 [ 47.567941] [] entry_SYSCALL_64_fastpath+0x1c/0x98 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program