BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/12754
syz-executor3: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 12746 Comm: syz-executor3 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801af647880 ffffffff81d94829 1ffff10035ec8f13 ffff8801cb10e000
 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801af647990
 ffffffff81451c92 024000c200000003 0000000041b58ab3 ffffffff84195205
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81451c92>] warn_alloc+0x212/0x240 mm/page_alloc.c:3056
 [<ffffffff814ffc65>] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722
 [<ffffffff814fff2b>] __vmalloc_node mm/vmalloc.c:1744 [inline]
 [<ffffffff814fff2b>] __vmalloc_node_flags mm/vmalloc.c:1758 [inline]
 [<ffffffff814fff2b>] vmalloc+0x5b/0x70 mm/vmalloc.c:1773
 [<ffffffff83141131>] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722
 [<ffffffff8338ec0a>] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff833948f7>] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline]
 [<ffffffff833948f7>] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465
 [<ffffffff830a1ca7>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<ffffffff830a1ca7>] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
 [<ffffffff83211f01>] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248
 [<ffffffff83231832>] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2740
 [<ffffffff82ede275>] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706
 [<ffffffff82edb230>] SYSC_setsockopt net/socket.c:1772 [inline]
 [<ffffffff82edb230>] SyS_setsockopt+0x160/0x250 net/socket.c:1751
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
Mem-Info:
active_anon:62642 inactive_anon:43 isolated_anon:0
 active_file:3597 inactive_file:8911 isolated_file:0
 unevictable:0 dirty:129 writeback:0 unstable:0
 slab_reclaimable:7175 slab_unreclaimable:61374
 mapped:24120 shmem:51 pagetables:712 bounce:0
 free:1462976 free_pcp:375 free_cma:0
Node 0 active_anon:250568kB inactive_anon:172kB active_file:14388kB inactive_file:35644kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96480kB dirty:516kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 96256kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
DMA32 free:2980084kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980720kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:636kB free_cma:0kB
Normal free:2855912kB min:36824kB low:46028kB high:55232kB active_anon:250568kB inactive_anon:172kB active_file:14388kB inactive_file:35644kB unevictable:0kB writepending:516kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:28700kB slab_unreclaimable:245496kB kernel_stack:6304kB pagetables:2848kB bounce:0kB free_pcp:864kB local_pcp:688kB free_cma:0kB
DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
12558 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965969 pages RAM
0 pages HighMem/MovableOnly
320509 pages reserved
syz-executor3: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM)
CPU: 0 PID: 12758 Comm: syz-executor3 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d69ef880 ffffffff81d94829 1ffff1003ad3df13 ffff8801c6569800
 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801d69ef990
 ffffffff81451c92 024000c200000003 0000000041b58ab3 ffffffff84195205
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81451c92>] warn_alloc+0x212/0x240 mm/page_alloc.c:3056
 [<ffffffff814ffc65>] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722
 [<ffffffff814fff2b>] __vmalloc_node mm/vmalloc.c:1744 [inline]
 [<ffffffff814fff2b>] __vmalloc_node_flags mm/vmalloc.c:1758 [inline]
 [<ffffffff814fff2b>] vmalloc+0x5b/0x70 mm/vmalloc.c:1773
 [<ffffffff83141131>] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722
 [<ffffffff8338ec0a>] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549
 [<ffffffff810002b8>] ? 0xffffffff810002b8
 [<ffffffff833948f7>] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline]
 [<ffffffff833948f7>] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465
 [<ffffffff830a1ca7>] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
 [<ffffffff830a1ca7>] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
 [<ffffffff83211f01>] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248
 [<ffffffff83231832>] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2740
 [<ffffffff82ede275>] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706
 [<ffffffff82edb230>] SYSC_setsockopt net/socket.c:1772 [inline]
 [<ffffffff82edb230>] SyS_setsockopt+0x160/0x250 net/socket.c:1751
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
Mem-Info:
active_anon:61084 inactive_anon:43 isolated_anon:0
 active_file:3597 inactive_file:8911 isolated_file:0
 unevictable:0 dirty:129 writeback:0 unstable:0
 slab_reclaimable:7175 slab_unreclaimable:61374
 mapped:24120 shmem:51 pagetables:712 bounce:0
 free:1464062 free_pcp:328 free_cma:0
Node 0 active_anon:244336kB inactive_anon:172kB active_file:14388kB inactive_file:35644kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96480kB dirty:516kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 96256kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no
DMA free:15908kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
DMA32 free:2980084kB min:30592kB low:38240kB high:45888kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2980720kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:636kB local_pcp:636kB free_cma:0kB
Normal free:2860256kB min:36824kB low:46028kB high:55232kB active_anon:244336kB inactive_anon:172kB active_file:14388kB inactive_file:35644kB unevictable:0kB writepending:516kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:28700kB slab_unreclaimable:245496kB kernel_stack:6336kB pagetables:2848kB bounce:0kB free_pcp:676kB local_pcp:500kB free_cma:0kB
DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
12558 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
1965969 pages RAM
0 pages HighMem/MovableOnly
320509 pages reserved
caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
CPU: 1 PID: 12754 Comm: syz-executor5 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d84af490 ffffffff81d94829 0000000000000001 ffffffff83c18800
 ffffffff83f454c0 ffff8801c6568000 0000000000000003 ffff8801d84af4d0
 ffffffff81dfbe04 ffff8801d84af4e8 ffffffff83f454c0 dffffc0000000000
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81dfbe04>] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46
 [<ffffffff81dfbe6c>] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62
 [<ffffffff833fcdd8>] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline]
 [<ffffffff833fcdd8>] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363
 [<ffffffff833691f0>] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137
 [<ffffffff833db4c7>] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096
 [<ffffffff833fa626>] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline]
 [<ffffffff833fa626>] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639
 [<ffffffff833eac73>] xfrm_user_rcv_msg+0x413/0x6a0 net/xfrm/xfrm_user.c:2525
 [<ffffffff8309537e>] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351
 [<ffffffff833e716f>] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533
 [<ffffffff83093f01>] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline]
 [<ffffffff83093f01>] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301
 [<ffffffff83094a28>] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847
 [<ffffffff82ed7baa>] sock_sendmsg_nosec net/socket.c:635 [inline]
 [<ffffffff82ed7baa>] sock_sendmsg+0xca/0x110 net/socket.c:645
 [<ffffffff82ed97a1>] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969
 [<ffffffff82edb7d6>] __sys_sendmsg+0xd6/0x190 net/socket.c:2003
 [<ffffffff82edb8bd>] SYSC_sendmsg net/socket.c:2014 [inline]
 [<ffffffff82edb8bd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2010
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
sg_write: data in/out 786396/24 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor0 not setting count and/or reply_len properly
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 0 PID: 12819 Comm: syz-executor2 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801af6c7940 ffffffff81d94829 ffff8801af6c7c20 0000000000000000
 ffff8801c3c6b610 ffff8801af6c7b10 ffff8801c3c6b500 ffff8801af6c7b38
 ffffffff816621ca 0000000000002b25 ffff8801c51820f0 ffff8801c51820a0
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff816621ca>] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323
 [<ffffffff814d0d91>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814d0d91>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814d0d91>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814d0d91>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810de642>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407
 [<ffffffff810dede7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff838b47c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 0 PID: 12802 Comm: syz-executor2 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d68a7710 ffffffff81d94829 ffff8801d68a79f0 0000000000000000
 ffff8801c3c6b610 ffff8801d68a78e0 ffff8801c3c6b500 ffff8801d68a7908
 ffffffff816621ca 0000000000002b25 ffff8801c82ab8f0 ffff8801c82ab8a0
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff816621ca>] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323
 [<ffffffff814d0d91>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814d0d91>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814d0d91>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814d0d91>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810de642>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407
 [<ffffffff810dede7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff838b47c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055
 [<ffffffff815b39f8>] SYSC_select fs/select.c:652 [inline]
 [<ffffffff815b39f8>] SyS_select+0x158/0x1e0 fs/select.c:634
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
TCP: request_sock_TCPv6: Possible SYN flooding on port 20018. Sending cookies.  Check SNMP counters.
binder: 12913:12939 ioctl 54a1 0 returned -22
binder: 12913:12947 BC_DEAD_BINDER_DONE 0000000000000000 not found
binder: BINDER_SET_CONTEXT_MGR already set
binder: 12913:12947 ioctl 40046207 0 returned -16
binder: 12913:12947 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0
binder: 12913:12939 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0
binder: 12913:12939 ioctl 54a1 0 returned -22
binder: 12913:12959 BC_DEAD_BINDER_DONE 0000000000000000 not found
IPv6: Can't replace route, no match found
IPv6: Can't replace route, no match found
SELinux: ebitmap: truncated map
SELinux: ebitmap: truncated map
9pnet_virtio: no channels available for device ./file0
9pnet_virtio: no channels available for device ./file0
IPVS: Creating netns size=2536 id=14
pktgen: kernel_thread() failed for cpu 0
pktgen: Cannot create thread for cpu 0 (-4)
pktgen: kernel_thread() failed for cpu 1
pktgen: Cannot create thread for cpu 1 (-4)
pktgen: Initialization failed for all threads
IPVS: Creating netns size=2536 id=15
binder: 13526:13532 DecRefs 0 refcount change on invalid ref -2 ret -22
binder: 13526:13532 unknown command 0
device gre0 entered promiscuous mode
binder: 13526:13532 ioctl c0306201 20003fd0 returned -22
binder: 13526:13563 DecRefs 0 refcount change on invalid ref -2 ret -22
binder: 13526:13563 unknown command 0
binder: 13526:13563 ioctl c0306201 20003fd0 returned -22
device lo entered promiscuous mode
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=34634 sclass=netlink_tcpdiag_socket pig=13643 comm=syz-executor3
IPVS: Creating netns size=2536 id=16
pktgen: kernel_thread() failed for cpu 0
pktgen: Cannot create thread for cpu 0 (-4)
pktgen: kernel_thread() failed for cpu 1
pktgen: Cannot create thread for cpu 1 (-4)
pktgen: Initialization failed for all threads
binder: release 13760:13763 transaction 75 out, still active
binder: undelivered TRANSACTION_COMPLETE
binder: 13760:13773 ERROR: BC_REGISTER_LOOPER called without request
binder_alloc: binder_alloc_mmap_handler: 13760 20000000-20002000 already mapped failed -16
binder: BINDER_SET_CONTEXT_MGR already set
binder: 13760:13763 ioctl 40046207 0 returned -16
binder_alloc: 13760: binder_alloc_buf, no vma
binder: 13760:13773 transaction failed 29189/-3, size 0-0 line 3127
binder: undelivered TRANSACTION_ERROR: 29189
binder: 13760:13779 ERROR: BC_REGISTER_LOOPER called without request
binder: send failed reply for transaction 75, target dead
binder: 13832:13835 unknown command 0
binder: 13832:13835 ioctl c0306201 20008fd0 returned -22
binder: BINDER_SET_CONTEXT_MGR already set
binder: 13832:13852 ioctl 40046207 0 returned -16
FAULT_FLAG_ALLOW_RETRY missing 31
CPU: 1 PID: 13830 Comm: syz-executor0 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ce9f7920 ffffffff81d94829 ffff8801ce9f7c00 0000000000000000
 ffff8801c3c6b910 ffff8801ce9f7af0 ffff8801c3c6b800 ffff8801ce9f7b18
 ffffffff816621ca dffffc0000000000 ffff8801ce9f7958 ffffffff8123b63b
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff816621ca>] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323
 [<ffffffff814d0d42>] do_anonymous_page mm/memory.c:2783 [inline]
 [<ffffffff814d0d42>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814d0d42>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814d0d42>] handle_mm_fault+0x1f82/0x2530 mm/memory.c:3614
 [<ffffffff810de642>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407
 [<ffffffff810dede7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff838b47c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
binder: 13832:13863 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0
binder: 13832:13863 unknown command 0
binder: 13832:13863 ioctl c0306201 20008fd0 returned -22
binder: undelivered death notification, 0000000000000000
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
binder: 14175:14178 ioctl c0306201 20007fd0 returned -14
binder: 14175:14190 ioctl c0306201 20004000 returned -14
binder: 14175:14178 ioctl c0306201 20007fd0 returned -14
sock: process `syz-executor1' is using obsolete setsockopt SO_BSDCOMPAT
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 14384 Comm: syz-executor3 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cc9e7990 ffffffff81d94829 ffff8801cc9e7c70 0000000000000000
 ffff8801cb14b790 ffff8801cc9e7b60 ffff8801cb14b680 ffff8801cc9e7b88
 ffffffff816621ca 0000000000002b25 ffff8801cd0da0f0 ffff8801cd0da0a0
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff816621ca>] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323
 [<ffffffff814d0d91>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814d0d91>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814d0d91>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814d0d91>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810de642>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407
 [<ffffffff810dede7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff838b47c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
CPU: 0 PID: 14394 Comm: syz-executor3 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cdacf710 ffffffff81d94829 ffff8801cdacf9f0 0000000000000000
 ffff8801cb14b790 ffff8801cdacf8e0 ffff8801cb14b680 ffff8801cdacf908
 ffffffff816621ca 0000000000002b25 ffff8801ccb9d0f0 ffff8801ccb9d0a0
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff816621ca>] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323
 [<ffffffff814d0d91>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814d0d91>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814d0d91>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814d0d91>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810de642>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407
 [<ffffffff810dede7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff838b47c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055
 [<ffffffff815b39f8>] SYSC_select fs/select.c:652 [inline]
 [<ffffffff815b39f8>] SyS_select+0x158/0x1e0 fs/select.c:634
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 0 PID: 14410 Comm: syz-executor3 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ceaef710 ffffffff81d94829 ffff8801ceaef9f0 0000000000000000
 ffff8801bcf64710 ffff8801ceaef8e0 ffff8801bcf64600 ffff8801ceaef908
 ffffffff816621ca 0000000000002b25 ffff8801cbcbb8f0 ffff8801cbcbb8a0
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff816621ca>] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323
 [<ffffffff814d0d91>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814d0d91>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814d0d91>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814d0d91>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810de642>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407
 [<ffffffff810dede7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff838b47c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055
 [<ffffffff815b39f8>] SYSC_select fs/select.c:652 [inline]
 [<ffffffff815b39f8>] SyS_select+0x158/0x1e0 fs/select.c:634
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
CPU: 1 PID: 14384 Comm: syz-executor3 Not tainted 4.9.79-g71f1469 #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801cc9e7990 ffffffff81d94829 ffff8801cc9e7c70 0000000000000000
 ffff8801bcf64710 ffff8801cc9e7b60 ffff8801bcf64600 ffff8801cc9e7b88
 ffffffff816621ca 0000000000002b25 ffff8801cd0da0f0 ffff8801cd0da0a0
Call Trace:
 [<ffffffff81d94829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d94829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff816621ca>] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323
 [<ffffffff814d0d91>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814d0d91>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814d0d91>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814d0d91>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810de642>] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407
 [<ffffffff810dede7>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470
 [<ffffffff838b47c8>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055
 [<ffffffff838b346e>] entry_SYSCALL_64_fastpath+0x29/0xe8
device lo left promiscuous mode