netlink: 4 bytes leftover after parsing attributes in process `syz-executor5'. BUG: sleeping function called from invalid context at ./include/linux/uaccess.h:71 in_atomic(): 1, irqs_disabled(): 0, pid: 3887, name: syz-executor7 2 locks held by syz-executor7/3887: #0: (&vcpu->mutex){+.+.}, at: [] vcpu_load+0x1c/0x70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:154 #1: (&kvm->srcu){....}, at: [] vcpu_enter_guest arch/x86/kvm/x86.c:7032 [inline] #1: (&kvm->srcu){....}, at: [] vcpu_run arch/x86/kvm/x86.c:7111 [inline] #1: (&kvm->srcu){....}, at: [] kvm_arch_vcpu_ioctl_run+0x1bdd/0x5a30 arch/x86/kvm/x86.c:7272 *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000000 RIP = 0x000000000000fff0 RFLAGS=0x00000000 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x0000ffff, base=0x0000000000000000 LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 BndCfgS = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811b8def RSP = 0xffff880039c274c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fb4b9841700 GSBase=ffff88003ed00000 TRBase=ffff88003ed23100 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=000000006a0c5000 CR4=00000000000026e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d3e980 EFER = 0x0000000000000d01 PAT = 0x0007040600070406 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000e2 EntryControls=0001d1ff ExitControls=00afefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000603 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffd1b24a8e5c EPT pointer = 0x0000000038f5d01e Virtual processor ID = 0x000d netlink: 4 bytes leftover after parsing attributes in process `syz-executor5'. CPU: 3 PID: 3887 Comm: syz-executor7 Not tainted 4.13.0-rc7-next-20170901+ #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6023 __might_sleep+0x95/0x190 kernel/sched/core.c:5976 __might_fault+0xab/0x1d0 mm/memory.c:4483 __copy_from_user include/linux/uaccess.h:71 [inline] paging32_walk_addr_generic+0x427/0x1d80 arch/x86/kvm/paging_tmpl.h:369 paging32_walk_addr arch/x86/kvm/paging_tmpl.h:475 [inline] paging32_gva_to_gpa+0xa5/0x230 arch/x86/kvm/paging_tmpl.h:913 kvm_read_guest_virt_helper+0xd8/0x140 arch/x86/kvm/x86.c:4436 kvm_read_guest_virt_system+0x3c/0x50 arch/x86/kvm/x86.c:4503 segmented_read_std+0x10c/0x180 arch/x86/kvm/emulate.c:822 em_fxrstor+0x27b/0x410 arch/x86/kvm/emulate.c:4025 x86_emulate_insn+0x55d/0x3cf0 arch/x86/kvm/emulate.c:5483 x86_emulate_instruction+0x411/0x1ca0 arch/x86/kvm/x86.c:5735 kvm_mmu_page_fault+0x1b0/0x2f0 arch/x86/kvm/mmu.c:4956 handle_ept_violation+0x194/0x540 arch/x86/kvm/vmx.c:6502 vmx_handle_exit+0x24b/0x1a60 arch/x86/kvm/vmx.c:8823 vcpu_enter_guest arch/x86/kvm/x86.c:7049 [inline] vcpu_run arch/x86/kvm/x86.c:7111 [inline] kvm_arch_vcpu_ioctl_run+0x1d36/0x5a30 arch/x86/kvm/x86.c:7272 kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2592 vfs_ioctl fs/ioctl.c:45 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685 SYSC_ioctl fs/ioctl.c:700 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f7e42429c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000000001b RCX: 0000000000447299 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001b RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 000000000000001c R13: 0000000000005790 R14: 00000000006e8850 R15: 000000000000001b device syz1 entered promiscuous mode device syz1 left promiscuous mode device syz1 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl sock: process `syz-executor3' is using obsolete getsockopt SO_BSDCOMPAT SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4198 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4213 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4219 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4219 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=202 sclass=netlink_route_socket pig=4240 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4219 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4219 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=202 sclass=netlink_route_socket pig=4240 comm=syz-executor0 TCP: request_sock_TCPv6: Possible SYN flooding on port 20025. Sending cookies. Check SNMP counters. audit: type=1326 audit(1504357084.189:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4344 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 audit: type=1326 audit(1504357084.320:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4344 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 ?: renamed from sit0 [drm:drm_mode_legacy_fb_format] *ERROR* bad bpp, assuming x8r8g8b8 pixel format [drm:drm_mode_legacy_fb_format] *ERROR* bad bpp, assuming x8r8g8b8 pixel format device lo entered promiscuous mode syz-executor6: vmalloc: allocation failure: 4833356120 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor6 cpuset=/ mems_allowed=0-1 CPU: 3 PID: 4508 Comm: syz-executor6 Tainted: G W 4.13.0-rc7-next-20170901+ #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3257 __vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692 do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669 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:1251 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2801 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007fb4b9861c08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000000001a RCX: 0000000000447299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000000000000001a RBP: 0000000000000082 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020006000 R11: 0000000000000292 R12: 00000000ffffffff R13: 0000000000000590 R14: 00000000006e3650 R15: 0000000000000018 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:80550 inactive_anon:44 isolated_anon:0 active_file:3469 inactive_file:4165 isolated_file:0 unevictable:0 dirty:320 writeback:0 unstable:0 slab_reclaimable:5636 slab_unreclaimable:30191 mapped:20586 shmem:58 pagetables:744 bounce:0 free:268551 free_pcp:1179 free_cma:0 Node 0 active_anon:112968kB inactive_anon:104kB active_file:8996kB inactive_file:5992kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:27344kB dirty:728kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:217760kB inactive_anon:72kB active_file:4880kB inactive_file:10688kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55172kB dirty:568kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 45056kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 886 886 886 Node 0 DMA32 free:657748kB min:36536kB low:45668kB high:54800kB active_anon:117132kB inactive_anon:104kB active_file:8996kB inactive_file:10536kB unevictable:0kB writepending:728kB present:1032192kB managed:909848kB mlocked:0kB kernel_stack:2816kB pagetables:1512kB bounce:0kB free_pcp:2244kB local_pcp:676kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 1 DMA32 free:386892kB min:30404kB low:38004kB high:45604kB active_anon:217660kB inactive_anon:76kB active_file:4888kB inactive_file:15308kB unevictable:8kB writepending:568kB present:1048560kB managed:755216kB mlocked:8kB kernel_stack:2560kB pagetables:1584kB bounce:0kB free_pcp:2344kB local_pcp:656kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 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 DMA32: 491*4kB (UME) 334*8kB (UME) 1553*16kB (UM) 817*32kB (UM) 368*64kB (UME) 96*128kB (UME) 10*256kB (UME) 5*512kB (UME) 2*1024kB (UM) 1*2048kB (U) 136*4096kB (M) = 657740kB Node 1 DMA32: 279*4kB (UME) 114*8kB (UME) 546*16kB (UM) 543*32kB (UM) 308*64kB (UME) 97*128kB (UME) 50*256kB (UME) 15*512kB (UME) 7*1024kB (UME) 2*2048kB (UE) 72*4096kB (M) = 386924kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 7710 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 524186 pages RAM 0 pages HighMem/MovableOnly 103943 pages reserved syz-executor6: vmalloc: allocation failure: 4833356120 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor6 cpuset=/ mems_allowed=0-1 CPU: 3 PID: 4508 Comm: syz-executor6 Tainted: G W 4.13.0-rc7-next-20170901+ #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3257 __vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692 do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669 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:1251 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2801 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007fb4b9861c08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 0000000000447299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000020 RBP: 0000000000000082 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020006000 R11: 0000000000000292 R12: 00000000ffffffff R13: 0000000000004990 R14: 00000000006e7a50 R15: 0000000000000000 syz-executor7: vmalloc: allocation failure: 4833356120 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0-1 CPU: 2 PID: 4589 Comm: syz-executor7 Tainted: G W 4.13.0-rc7-next-20170901+ #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3257 __vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692 do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669 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:1251 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2801 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f7e42429c08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000447299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000019 RBP: 0000000000000082 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020006000 R11: 0000000000000292 R12: 00000000ffffffff R13: 0000000000006030 R14: 00000000006e90f0 R15: 0000000020040000 syz-executor7: vmalloc: allocation failure: 4833356120 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0-1 CPU: 0 PID: 4612 Comm: syz-executor7 Tainted: G W 4.13.0-rc7-next-20170901+ #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3257 __vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692 do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669 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:1251 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2801 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f7e423e7c08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000000001f RCX: 0000000000447299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000000000000001f RBP: 0000000000000082 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020006000 R11: 0000000000000292 R12: 00000000ffffffff R13: 00000000000038c0 R14: 00000000006e6980 R15: 0000000000fff000 syz-executor7: vmalloc: allocation failure: 4833356120 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0-1 CPU: 2 PID: 4690 Comm: syz-executor7 Tainted: G W 4.13.0-rc7-next-20170901+ #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3257 __vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692 do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669 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:1251 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2801 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f7e42408c08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000447299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000019 RBP: 0000000000000082 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020006000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7e424099c0 R15: 00007f7e42409700 warn_alloc_show_mem: 3 callbacks suppressed Mem-Info: active_anon:87763 inactive_anon:43 isolated_anon:0 active_file:3473 inactive_file:4183 isolated_file:0 unevictable:0 dirty:340 writeback:0 unstable:0 slab_reclaimable:5658 slab_unreclaimable:29555 mapped:20604 shmem:58 pagetables:804 bounce:0 free:261831 free_pcp:1125 free_cma:0 Node 0 active_anon:127920kB inactive_anon:100kB active_file:8996kB inactive_file:6064kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:27328kB dirty:776kB writeback:0kB shmem:120kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 18432kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 1 active_anon:219136kB inactive_anon:72kB active_file:4896kB inactive_file:10668kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:55088kB dirty:584kB writeback:0kB shmem:112kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 24576kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 886 886 886 Node 0 DMA32 free:646160kB min:36536kB low:45668kB high:54800kB active_anon:127908kB inactive_anon:96kB active_file:8996kB inactive_file:10608kB unevictable:0kB writepending:776kB present:1032192kB managed:909848kB mlocked:0kB kernel_stack:3104kB pagetables:1588kB bounce:0kB free_pcp:2192kB local_pcp:728kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 1 DMA32 free:385192kB min:30404kB low:38004kB high:45604kB active_anon:223284kB inactive_anon:68kB active_file:4896kB inactive_file:15288kB unevictable:0kB writepending:584kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2464kB pagetables:1636kB bounce:0kB free_pcp:2064kB local_pcp:264kB free_cma:0kB netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. syz-executor7: vmalloc: allocation failure: 4833356120 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0-1 CPU: 1 PID: 4683 Comm: syz-executor7 Tainted: G W 4.13.0-rc7-next-20170901+ #13 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:16 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:52 warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3257 __vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781 __vmalloc_node mm/vmalloc.c:1810 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:529 [inline] kvmalloc_array include/linux/mm.h:545 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692 do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline] do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669 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:1251 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2801 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2960 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x447299 RSP: 002b:00007f7e42429c08 EFLAGS: 00000292 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000000001f RCX: 0000000000447299 RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000000000000001f RBP: 0000000000000082 R08: 0000000000000056 R09: 0000000000000000 R10: 0000000020006000 R11: 0000000000000292 R12: 00000000ffffffff R13: 0000000000000590 R14: 00000000006e3650 R15: 000000000000001d sg_write: data in/out 169/50 bytes for SCSI command 0x2a-- guessing data in; program syz-executor1 not setting count and/or reply_len properly netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. lowmem_reserve[]: 0 0 0 0 Node 0 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 DMA32: 519*4kB (UE) 82*8kB (UME) 1114*16kB (UME) 815*32kB (UM) 362*64kB (UME) 105*128kB (UME) 18*256kB (UME) 8*512kB (UME) 3*1024kB (UM) 1*2048kB (U) 130*4096kB (M) = 629548kB sg_write: data in/out 169/50 bytes for SCSI command 0x2a-- guessing data in; program syz-executor1 not setting count and/or reply_len properly Node 1 DMA32: 25*4kB (UME) 128*8kB (UE) 426*16kB (UME) 492*32kB (UM) 300*64kB (UME) 103*128kB (UME) 56*256kB (UME) 19*512kB (UME) 8*1024kB (UME) 4*2048kB (UME) 70*4096kB (M) = 383236kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 7715 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 524186 pages RAM 0 pages HighMem/MovableOnly 103943 pages reserved netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4757 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=51 sclass=netlink_route_socket pig=4757 comm=syz-executor3 selinux_nlmsg_perm: 2 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4787 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=51 sclass=netlink_route_socket pig=4782 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4787 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4757 comm=syz-executor3 sctp: [Deprecated]: syz-executor4 (pid 4803) Use of int in maxseg socket option. Use struct sctp_assoc_value instead PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex audit: type=1326 audit(1504357089.519:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4990 comm="syz-executor0" exe="/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 audit: type=1326 audit(1504357089.538:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4979 comm="syz-executor6" exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 audit: type=1326 audit(1504357089.611:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4990 comm="syz-executor0" exe="/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 audit: type=1326 audit(1504357089.695:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5008 comm="syz-executor3" exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 audit: type=1326 audit(1504357089.831:10): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4979 comm="syz-executor6" exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 audit: type=1326 audit(1504357089.917:11): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5008 comm="syz-executor3" exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x447299 code=0xffff0000 netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 ata1.00: failed command: ZAC MANAGEMENT OUT ata1.00: cmd 9f/01:00:00:00:00/00:00:00:00:00/40 tag 0 nodata 0 out res 41/04:00:00:00:00/04:00:00:00:00/e0 Emask 0x1 (device error) ata1.00: status: { DRDY ERR } ata1.00: error: { ABRT } ata1.00: device reported invalid CHS sector 0 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000000 RIP = 0x000000000000fff0 RFLAGS=0x00000000 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000