BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/7317 syz-executor2: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 7327 Comm: syz-executor2 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d076f880 ffffffff81d94b69 1ffff1003a0edf13 ffff8801cf9f8000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801d076f990 ffffffff81451ca2 024000c200000003 0000000041b58ab3 ffffffff84195215 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] ? 0xffffffff810002b8 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2740 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:58334 inactive_anon:42 isolated_anon:0 active_file:3499 inactive_file:8324 isolated_file:0 unevictable:0 dirty:128 writeback:0 unstable:0 slab_reclaimable:5510 slab_unreclaimable:60751 mapped:24115 shmem:179 pagetables:724 bounce:0 free:1469273 free_pcp:358 free_cma:0 Node 0 active_anon:233336kB inactive_anon:168kB active_file:13996kB inactive_file:33296kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96460kB dirty:512kB writeback:0kB shmem:716kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 104448kB 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:0kB free_cma:0kB Normal free:2881100kB min:36824kB low:46028kB high:55232kB active_anon:233336kB inactive_anon:168kB active_file:13996kB inactive_file:33296kB unevictable:0kB writepending:512kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22040kB slab_unreclaimable:243004kB kernel_stack:5952kB pagetables:2896kB bounce:0kB free_pcp:796kB local_pcp:520kB 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 12001 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-executor2: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 7360 Comm: syz-executor2 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d3717880 ffffffff81d94b69 1ffff1003a6e2f13 ffff8801d06e1800 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801d3717990 ffffffff81451ca2 024000c200000003 0000000041b58ab3 ffffffff84195215 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] ? 0xffffffff810002b8 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2740 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:57843 inactive_anon:42 isolated_anon:0 active_file:3500 inactive_file:8323 isolated_file:0 unevictable:0 dirty:129 writeback:0 unstable:0 slab_reclaimable:5516 slab_unreclaimable:60855 mapped:24100 shmem:179 pagetables:674 bounce:0 free:1469601 free_pcp:435 free_cma:0 Node 0 active_anon:231372kB inactive_anon:168kB active_file:14000kB inactive_file:33292kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96400kB dirty:516kB writeback:0kB shmem:716kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 94208kB 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:0kB free_cma:0kB Normal free:2882412kB min:36824kB low:46028kB high:55232kB active_anon:231372kB inactive_anon:168kB active_file:14000kB inactive_file:33292kB unevictable:0kB writepending:516kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22064kB slab_unreclaimable:243420kB kernel_stack:6016kB pagetables:2696kB bounce:0kB free_pcp:1104kB local_pcp:828kB 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 12001 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-executor2: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 7370 Comm: syz-executor2 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d06ef880 ffffffff81d94b69 1ffff1003a0ddf13 ffff8801d00c9800 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801d06ef990 ffffffff81451ca2 024000c200000003 0000000041b58ab3 ffffffff84195215 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] ? 0xffffffff810002b8 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2740 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:57823 inactive_anon:42 isolated_anon:0 active_file:3500 inactive_file:8323 isolated_file:0 unevictable:0 dirty:129 writeback:0 unstable:0 slab_reclaimable:5518 slab_unreclaimable:60921 mapped:24083 shmem:179 pagetables:681 bounce:0 free:1469743 free_pcp:247 free_cma:0 Node 0 active_anon:231292kB inactive_anon:168kB active_file:14000kB inactive_file:33292kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96332kB dirty:516kB writeback:0kB shmem:716kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 81920kB 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:0kB free_cma:0kB Normal free:2882980kB min:36824kB low:46028kB high:55232kB active_anon:231292kB inactive_anon:168kB active_file:14000kB inactive_file:33292kB unevictable:0kB writepending:516kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:22072kB slab_unreclaimable:243684kB kernel_stack:5920kB pagetables:2724kB bounce:0kB free_pcp:352kB local_pcp:76kB 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 12001 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: 0 PID: 7317 Comm: syz-executor6 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d0147490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 ffffffff83f454c0 ffff8801cfeb3000 0000000000000003 ffff8801d01474d0 ffffffff81dfc144 ffff8801d01474e8 ffffffff83f454c0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639 [] xfrm_user_rcv_msg+0x413/0x6a0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] entry_SYSCALL_64_fastpath+0x29/0xe8 netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1517809909.363:33): avc: denied { getopt } for pid=7407 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 IPVS: length: 839 != 24 IPVS: length: 839 != 24 audit: type=1400 audit(1517809909.523:34): avc: denied { read } for pid=7454 comm="syz-executor0" path="socket:[16466]" dev="sockfs" ino=16466 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 TCP: request_sock_TCPv6: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. binder: 7494:7499 ERROR: BC_REGISTER_LOOPER called without request binder: 7494:7499 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 7494:7499 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 7494:7499 got transaction to invalid handle binder: 7494:7499 transaction failed 29201/-22, size 24-72 line 3004 binder: 7494:7544 ERROR: BC_REGISTER_LOOPER called without request binder: 7494:7544 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 7494:7544 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 7494:7544 got transaction to invalid handle binder: 7494:7544 transaction failed 29201/-22, size 24-72 line 3004 binder_alloc: 7494: binder_alloc_buf, no vma binder: 7494:7546 transaction failed 29189/-3, size 0-0 line 3127 binder: BINDER_SET_CONTEXT_MGR already set binder: 7494:7499 ioctl 40046207 0 returned -16 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: release 7494:7514 transaction 30 out, still active binder: undelivered TRANSACTION_COMPLETE binder: release 7494:7499 transaction 30 in, still active binder: send failed reply for transaction 30, target dead FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 7564 Comm: syz-executor0 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cefd7860 ffffffff81d94b69 ffff8801cefd7b40 0000000000000000 ffff8801c3570d10 ffff8801cefd7a30 ffff8801c3570c00 ffff8801cefd7a58 ffffffff816624ba 0000000000001244 ffff8801cf9038f0 ffff8801cf9038a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] SyS_rt_sigtimedwait+0x2d/0x40 kernel/signal.c:2821 [] entry_SYSCALL_64_fastpath+0x29/0xe8 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 7564 Comm: syz-executor0 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cefd7860 ffffffff81d94b69 ffff8801cefd7b40 0000000000000000 ffff8801c56fd010 ffff8801cefd7a30 ffff8801c56fcf00 ffff8801cefd7a58 ffffffff816624ba 0000000000001244 ffff8801cf9038f0 ffff8801cf9038a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] SyS_rt_sigtimedwait+0x2d/0x40 kernel/signal.c:2821 [] entry_SYSCALL_64_fastpath+0x29/0xe8 binder: 7709:7714 BC_CLEAR_DEATH_NOTIFICATION invalid ref -2 device syz1 entered promiscuous mode binder: BINDER_SET_CONTEXT_MGR already set binder: 7709:7734 ioctl 40046207 0 returned -16 binder: 7904:7906 transaction failed 29189/-22, size 0-0 line 3004 binder: undelivered TRANSACTION_ERROR: 29189 binder: 7904:7906 transaction failed 29189/-22, size 0-102 line 3004 binder: undelivered TRANSACTION_ERROR: 29189 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor2/7980 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 7980 Comm: syz-executor2 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd8a76d8 ffffffff81d94b69 0000000000000000 ffffffff83c18800 ffffffff83f454c0 ffff8801c8dbe000 0000000000000003 ffff8801cd8a7718 ffffffff81dfc144 ffff8801cd8a7730 ffffffff83f454c0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] entry_SYSCALL_64_fastpath+0x29/0xe8 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor2/7980 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 7980 Comm: syz-executor2 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd8a76d8 ffffffff81d94b69 0000000000000001 ffffffff83c18800 ffffffff83f454c0 ffff8801c8dbe000 0000000000000003 ffff8801cd8a7718 ffffffff81dfc144 ffff8801cd8a7730 ffffffff83f454c0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fb9/0x3470 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] entry_SYSCALL_64_fastpath+0x29/0xe8 IPv6: Can't replace route, no match found SELinux: unrecognized netlink message: protocol=0 nlmsg_type=34576 sclass=netlink_route_socket pig=8248 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=34576 sclass=netlink_route_socket pig=8248 comm=syz-executor7 netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. sg_write: data in/out 700410/1 bytes for SCSI command 0xe2-- guessing data in; program syz-executor0 not setting count and/or reply_len properly device gre0 entered promiscuous mode device gre0 entered promiscuous mode audit: type=1400 audit(1517809914.103:35): avc: denied { dac_override } for pid=8361 comm="syz-executor3" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1517809914.133:36): avc: denied { net_admin } for pid=3838 comm="syz-executor5" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/8369 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 8369 Comm: syz-executor4 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cd1cf490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 ffffffff83f454c0 ffff8801cc1bb000 0000000000000003 ffff8801cd1cf4d0 ffffffff81dfc144 ffff8801cd1cf4e8 ffffffff83f454c0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639 [] xfrm_user_rcv_msg+0x413/0x6a0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] entry_SYSCALL_64_fastpath+0x29/0xe8 audit: type=1400 audit(1517809914.153:37): avc: denied { dac_override } for pid=8380 comm="syz-executor5" capability=1 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1517809914.153:38): avc: denied { net_admin } for pid=3850 comm="syz-executor2" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/8388 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 8388 Comm: syz-executor4 Not tainted 4.9.80-gb30d2b5 #28 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb77f490 ffffffff81d94b69 0000000000000000 ffffffff83c18800 ffffffff83f454c0 ffff8801cb5c3000 0000000000000003 ffff8801cb77f4d0 ffffffff81dfc144 ffff8801cb77f4e8 ffffffff83f454c0 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639 [] xfrm_user_rcv_msg+0x413/0x6a0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] entry_SYSCALL_64_fastpath+0x29/0xe8 audit: type=1400 audit(1517809914.923:39): avc: denied { net_raw } for pid=8428 comm="syz-executor3" capability=13 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 device lo entered promiscuous mode device lo left promiscuous mode device syz0 entered promiscuous mode device syz0 left promiscuous mode TCP: request_sock_TCP: Possible SYN flooding on port 20010. Sending cookies. Check SNMP counters. device syz0 entered promiscuous mode device syz0 left promiscuous mode audit: type=1400 audit(1517809915.823:40): avc: denied { create } for pid=8680 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 IPVS: length: 24 != 8 binder: 8783:8785 unknown command 0 binder: 8783:8785 ioctl c0306201 2000a000 returned -22 binder_alloc: binder_alloc_mmap_handler: 8783 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 8783:8785 ioctl 40046207 0 returned -16 binder: 8783:8801 unknown command 0 binder: 8783:8801 ioctl c0306201 2000a000 returned -22 binder: release 8783:8801 transaction 40 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 40, target dead device eql entered promiscuous mode IPv4: Oversized IP packet from 127.0.0.1 netlink: 48 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 48 bytes leftover after parsing attributes in process `syz-executor4'. device eql entered promiscuous mode skbuff: bad partial csum: csum=0/3849 len=3712 audit_printk_skb: 15 callbacks suppressed audit: type=1400 audit(1517809917.243:46): avc: denied { setgid } for pid=9087 comm="syz-executor6" capability=6 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1