5a>] ? __sb_start_write+0x14a/0x310 [ 48.097521] [] vfs_write+0x189/0x530 [ 48.102856] [] SyS_pwrite64+0x13f/0x170 [ 48.108455] [] ? SyS_pread64+0x170/0x170 [ 48.114137] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 48.120257] [] sys32_pwrite+0x39/0x50 [ 48.125680] [] ? sys32_pread+0x50/0x50 [ 48.131190] [] do_fast_syscall_32+0x2f5/0x870 [ 48.137308] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.143946] [] entry_SYSENTER_compat+0x90/0xa2 [ 48.154005] Mem-Info: [ 48.156699] active_anon:53729 inactive_anon:45 isolated_anon:0 [ 48.156699] active_file:3476 inactive_file:8532 isolated_file:0 [ 48.156699] unevictable:0 dirty:6256 writeback:0 unstable:0 [ 48.156699] slab_reclaimable:6507 slab_unreclaimable:59248 [ 48.156699] mapped:23817 shmem:51 pagetables:614 bounce:0 [ 48.156699] free:1476482 free_pcp:414 free_cma:0 [ 48.190779] Node 0 active_anon:214916kB inactive_anon:180kB active_file:13904kB inactive_file:34128kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95268kB dirty:25028kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 48.220392] 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 [ 48.250804] lowmem_reserve[]: 0 2908 6410 6410 [ 48.256064] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 48.287540] lowmem_reserve[]: 0 0 3501 3501 [ 48.292453] Normal free:2910448kB min:36824kB low:46028kB high:55232kB active_anon:214916kB inactive_anon:180kB active_file:13904kB inactive_file:34128kB unevictable:0kB writepending:25032kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26048kB slab_unreclaimable:236440kB kernel_stack:5504kB pagetables:2456kB bounce:0kB free_pcp:1048kB local_pcp:312kB free_cma:0kB [ 48.326632] lowmem_reserve[]: 0 0 0 0 [ 48.331129] 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 [ 48.346457] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 48.363708] Normal: 300*4kB (UME) 218*8kB (UME) 189*16kB (UM) 158*32kB (UM) 147*64kB (UME) 23*128kB (UME) 10*256kB (UM) 8*512kB (M) 5*1024kB (UM) 6*2048kB (UME) 699*4096kB (M) = 2910544kB 2018/03/07 14:40:21 executing program 4: r0 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x6, 0x2) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000040)={'vlan0\x00', {0x2, 0x4e21, @broadcast=0xffffffff}}) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter\x00', 0x0, 0x0) ioctl$void(r1, 0x5450) 2018/03/07 14:40:21 executing program 1: pipe(&(0x7f0000000000)={0xffffffffffffffff}) ioctl$GIO_CMAP(r0, 0x4b70, &(0x7f0000000040)) r1 = socket(0x20000000000010, 0x802, 0x0) getsockopt$netlink(r1, 0x10e, 0xa, &(0x7f0000481000), &(0x7f0000064000)) openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/mls\x00', 0x0, 0x0) 2018/03/07 14:40:21 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:21 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:21 executing program 0: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f0000212ff8)='./file0\x00', &(0x7f000078eff8)='./file0\x00', &(0x7f0000982ff9)='mqueue\x00', 0x0, &(0x7f0000653fff)) r0 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) mq_timedsend(r0, &(0x7f0000000040)="e7e18180fe90975716f393db794063cf693c9e75388ddf5508a410558b78ebd1e7633aa0b91346045387bf4ba5474a470c248d3f20cd39571c6946cb7d50587cfccd6a973e91b5ec7b1879e1becb02fa706f67a3a1a0ea501da7bf749104ed", 0x5f, 0x4, &(0x7f00000000c0)={0x77359400}) r1 = creat(&(0x7f0000408000)='./file0/bus\x00', 0x0) getsockopt$SO_COOKIE(r0, 0x1, 0x39, &(0x7f00000001c0), &(0x7f0000000200)=0x8) utimes(&(0x7f0000000140)='./file0/bus\x00', &(0x7f0000000180)={{0x0, 0x2710}}) mq_timedsend(r1, &(0x7f0000863000), 0x0, 0x0, 0x0) mq_notify(r1, &(0x7f0000477fa0)={0x0, 0x0, 0x0, @thr={&(0x7f0000bc8000), &(0x7f0000cf3000)}}) mq_timedsend(r1, &(0x7f00004d4fb5), 0x0, 0x0, &(0x7f0000bfbff0)={0x0, 0x1c9c380}) 2018/03/07 14:40:21 executing program 6: r0 = memfd_create(&(0x7f000000e000)='\x00 ', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000053ff3)='/dev/snd/seq\x00', 0x0, 0x101802) r2 = dup2(r1, r0) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x28000, 0x0) bind$inet(r3, &(0x7f0000000040)={0x2, 0x4e21, @multicast2=0xe0000002}, 0x10) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f000002b000)={0x0, 0x0, 0x0, "9ede7a8c5ae95ec8672c93340f643a664f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa8faf8fb574dbcfa6dc4d"}) write$sndseq(r0, &(0x7f0000044fd0)=[{0x0, 0x1, 0x0, 0x0, @tick=0x3, {}, {}, @ext={0x0, &(0x7f0000051000)}}], 0x30) write$sndseq(r2, &(0x7f0000053000)=[{0x0, 0x1, 0x0, 0x0, @tick=0x3, {}, {}, @ext={0x0, &(0x7f0000055ffe)}}], 0xfffffd56) 2018/03/07 14:40:21 executing program 5: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreq(r0, 0x0, 0x22, &(0x7f0000000000)={@multicast1=0xe0000001, @empty}, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) connect$netrom(r1, &(0x7f0000000080)=@ax25={0x3, {"893d4b264fc945"}}, 0x10) 2018/03/07 14:40:21 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = request_key(&(0x7f0000000000)='trusted\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000080)='sit0\x00', 0xfffffffffffffffd) keyctl$assume_authority(0x10, r1) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 48.383278] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 48.391857] 12069 total pagecache pages [ 48.395809] 0 pages in swap cache [ 48.399428] Swap cache stats: add 0, delete 0, find 0/0 [ 48.404773] Free swap = 0kB [ 48.407781] Total swap = 0kB [ 48.410773] 1965969 pages RAM [ 48.413844] 0 pages HighMem/MovableOnly [ 48.418248] 320510 pages reserved 2018/03/07 14:40:21 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0xe2) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000ed4000)=0x1000000000000077, 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000d26000)={0x1, &(0x7f0000818000)=[{0x6, 0x0, 0x0, 0x100}]}, 0x10) fcntl$setflags(r0, 0x2, 0x1) fdatasync(r0) ioctl$SNDRV_TIMER_IOCTL_GINFO(r0, 0xc0e05403, &(0x7f0000000200)={{0xffffffffffffffff, 0x0, 0x3f, 0x2, 0x8001}, 0x7, 0x7, 'id0\x00', 'timer1\x00', 0x0, 0xea0, 0x1000, 0x2, 0x99}) sendto$inet(r0, &(0x7f0000617fc9), 0x84, 0x20000000, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) seccomp(0x1, 0x1, &(0x7f00000001c0)={0x0, &(0x7f0000000000)=[]}) sendmsg(r0, &(0x7f000009cfe4)={&(0x7f000009ffa8)=@alg={0x26, 'aead\x00', 0x0, 0x0, 'pcrypt(pcrypt(rfc4106(gcm(aes))))\x00'}, 0x58, &(0x7f0000398000)=[{&(0x7f0000697000)="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", 0x217}], 0x1}, 0x0) sendmsg(r0, &(0x7f0000001180)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000040)="ebcdd2d5231930fb15e8446dbc9de4e0f4347ba856b070cb0fdc5b7c01b2fa174949af82b68526f8168884b644936781d2bef7b7b57574061c574df1515d9d6d054dee168c274e0e42c658659e06491dce44289a7f2ab30e19b845d0af4a51", 0x5f}], 0x1, &(0x7f0000000140)=[]}, 0x0) sendto$inet(r0, &(0x7f0000000040)="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", 0x17c, 0x0, &(0x7f0000001040)={0x2, 0x4e20, @remote={0xac, 0x14, 0x0, 0xbb}}, 0x10) [ 48.447851] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 48.475876] CPU: 0 PID: 7895 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 48.483400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.492740] ffff8801cc8cf8a8 ffffffff81d956f9 1ffff10039919f18 ffff8801ccbd9800 [ 48.500787] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cc8cf9b8 [ 48.508776] ffffffff81451c92 024000c2cc8cf8f8 0000000041b58ab3 ffffffff84195b35 [ 48.516734] Call Trace: [ 48.519293] [] dump_stack+0xc1/0x128 [ 48.524626] [] warn_alloc+0x212/0x240 [ 48.530046] [] ? zone_watermark_ok_safe+0x280/0x280 [ 48.536679] [] ? avc_has_perm+0xb0/0x4f0 [ 48.542368] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 48.548828] [] __vmalloc_node_range+0x3f5/0x5f0 [ 48.555114] [] ? check_preemption_disabled+0x3b/0x200 [ 48.561924] [] ? task_has_security+0x130/0x270 [ 48.568128] [] vmalloc+0x5b/0x70 [ 48.573112] [] ? sel_write_load+0x130/0xfd0 [ 48.579058] [] sel_write_load+0x130/0xfd0 [ 48.584838] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 48.591731] [] ? futex_wake+0x146/0x440 [ 48.597324] [] ? sel_read_bool+0x250/0x250 [ 48.603178] [] ? sel_read_bool+0x250/0x250 [ 48.609032] [] __vfs_write+0x103/0x680 [ 48.614535] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 48.620996] [] ? __might_sleep+0x95/0x1a0 [ 48.626760] [] ? __lock_is_held+0xa1/0xf0 [ 48.632528] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 48.639336] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 48.645886] [] ? __sb_start_write+0x14a/0x310 [ 48.652000] [] vfs_write+0x189/0x530 [ 48.657333] [] SyS_pwrite64+0x13f/0x170 [ 48.662927] [] ? SyS_pread64+0x170/0x170 [ 48.668606] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 48.674717] [] sys32_pwrite+0x39/0x50 [ 48.680137] [] ? sys32_pread+0x50/0x50 [ 48.685639] [] do_fast_syscall_32+0x2f5/0x870 [ 48.691751] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.698389] [] entry_SYSENTER_compat+0x90/0xa2 [ 48.705616] Mem-Info: [ 48.708105] active_anon:53188 inactive_anon:44 isolated_anon:0 [ 48.708105] active_file:3476 inactive_file:8544 isolated_file:0 [ 48.708105] unevictable:0 dirty:6270 writeback:0 unstable:0 [ 48.708105] slab_reclaimable:6542 slab_unreclaimable:59241 [ 48.708105] mapped:23804 shmem:51 pagetables:612 bounce:0 [ 48.708105] free:1477005 free_pcp:475 free_cma:0 [ 48.741441] Node 0 active_anon:212752kB inactive_anon:176kB active_file:13904kB inactive_file:34176kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95216kB dirty:25080kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 48.771113] 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 [ 48.800458] lowmem_reserve[]: 0 2908 6410 6410 [ 48.805604] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 48.837119] lowmem_reserve[]: 0 0 3501 3501 [ 48.842023] Normal free:2912168kB min:36824kB low:46028kB high:55232kB active_anon:212752kB inactive_anon:176kB active_file:13904kB inactive_file:34176kB unevictable:0kB writepending:25092kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26168kB slab_unreclaimable:236972kB kernel_stack:5408kB pagetables:2448kB bounce:0kB free_pcp:1108kB local_pcp:488kB free_cma:0kB [ 48.876091] lowmem_reserve[]: 0 0 0 0 [ 48.880482] 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 [ 48.895757] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 48.913002] Normal: 243*4kB (UME) 210*8kB (UM) 189*16kB (UM) 141*32kB (UME) 145*64kB (UM) 22*128kB (UME) 8*256kB (UM) 10*512kB (M) 5*1024kB (UM) 7*2048kB (UME) 699*4096kB (M) = 2912012kB [ 48.932483] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 48.941202] 12075 total pagecache pages [ 48.945154] 0 pages in swap cache 2018/03/07 14:40:22 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = add_key(&(0x7f0000000000)='ceph\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffe) r2 = request_key(&(0x7f0000000080)='ceph\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000100)='sit0\x00', 0xfffffffffffffffd) keyctl$negate(0xd, r1, 0x8001, r2) 2018/03/07 14:40:22 executing program 7: r0 = socket$inet_icmp(0x2, 0x2, 0x1) r1 = fcntl$getown(r0, 0x9) r2 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000380)='/selinux/avc/cache_stats\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000300)={0x3, 0x70, 0x1, 0x8, 0x0, 0x400, 0x0, 0x3, 0x40048, 0xb, 0x4, 0x9, 0x3, 0x1, 0x3, 0x0, 0xfffffffffffffff8, 0x0, 0xec45, 0x900000000000, 0x200, 0xfffffffffffffffd, 0x6, 0x1000, 0x7, 0x40, 0x7ff, 0x3, 0xf9, 0x4, 0x7, 0x4, 0x1f, 0x6, 0x8, 0xa06, 0x0, 0x1, 0x0, 0xfffffffffffff001, 0x2, @perf_bp={&(0x7f00000002c0)}, 0x24410, 0x1, 0xfffffffffffffffa, 0x1, 0x7, 0x1, 0x7}, r1, 0x9, r2, 0x9) getsockopt$inet_mreqsrc(r0, 0x0, 0x25, &(0x7f0000000240)={@empty, @remote, @rand_addr}, &(0x7f0000000280)=0xc) r3 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r3, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r3, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) r4 = accept4(r3, &(0x7f0000000040)=@pppoe={0x0, 0x0, {0x0, @empty}}, &(0x7f00000000c0)=0x80, 0x800) sendto$ipx(r4, &(0x7f0000000100)="f1272db863d12d50f6d6b7159a1cc60176ad2de724f054ae91534d2f5bbdf114154d9af188aa667fbf62a4a87ac1b6aa287836fd11453f0bccfac926fc6f1e67bb3645cb347ddf671ab6bef2ecb9bbe8d11e1b5c2e0e9c63dcad8bcd95771e6aabd621fff2943d6d87eb4d5a22dfde921e86338511e3b5d754311477f3d62d41766b9ca9b6a134dcca6e81c69e5cfc4a5f02494ec2712c1042b524c0350640691bf3deb49352dbac78e9a2ea5247bef8039ae9db0fdffe98deaabfd87d47cf93d7c8df705c6ea3bd99e47a03478bbe927f137c", 0xd3, 0x40005, &(0x7f0000000200)={0x4, 0x3, 0x9, "c718047669a3", 0x5a}, 0x10) sendmmsg(r2, &(0x7f000000e600)=[{{&(0x7f0000000540)=@ipx={0x4, 0x3, 0x3, "c9be30f0b84b", 0x6}, 0x80, &(0x7f0000001880)=[{&(0x7f00000005c0)}, {&(0x7f0000000600)="9ffe3e0e48b8c48da1f4ae7dda74b8203962ce657fd36e90648a4bf4b1883c27e0717695411bbb3ecb15686f3c524cb7cb08c6b2b17719e0fee3d8c304e0bf54f179e75e8c6a5994474a0ac43f955932dec60358805a5388893247d0b7d2368f8781e2692c51595e40bb2d585f54e91a34b9a31b938aae51d2a78b7770034a7d0574cd970883cd3ef441e97b29be", 0x8e}, {&(0x7f00000006c0)="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0x1000}, {&(0x7f00000016c0)="cde054d3e6df90f7b6355b2c8f782e95bd4565e4d63eb41b5a04cc67109bbb84bd4ccec3831efb9cf013d66a9453ec2f2778a155e077c25582294bfe48506f76b1e79959b84a61f2ed59d83ef9a8868021d529f99da9ffeac8d360e4364c45c22bd661e291cae886d198b6342dd5820e432fb9844710543b37b78d53462a535d70ec7717bb82a09ad5bca925daa52b1e5d4b3ad638a01add634dcd105f338a969adb2565224a2b9989cdae66c910818d19e92c69ec6c84a55264100c5b737cf82e2d45d80726cdcfd8e76565b8c62bd4150267d9ef11cc12c73045086116c35707e2350d9eec4ec43ad37c85a814bec8d1", 0xf1}, {&(0x7f00000017c0)="b82dfe0491bf28336bf347bf28f8cd825c16ec11fa6a8411cf9b59178c7ec4809abd8d638bfb9fb9fb3dbf0d561d4adaa1e43ae394c34bae85c1e31c3e3d406ca16caf9ded934ac20ae23ae7ccc0bf849ee02eca7fb02b679292c611f2555f63f7e24eafd82947dbbbaca565b7e1ab9c9db74de02e145fec9f20dff5b3853b33176c626a3cdeb536e5b6f41fad1cb3eced2366f54a5fe90d7aff7e45da7637654e5c103a49d8", 0xa6}], 0x5, &(0x7f00000018c0)=[], 0x0, 0xd502f26df1dfe9d6}, 0xffffffff}, {{&(0x7f0000001900)=@sco={0x1f, 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"}], 0x2324, 0x84}, 0x2}], 0x9, 0x20000000) 2018/03/07 14:40:22 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000759000)='clear_refs\x00') r1 = syz_open_procfs(0x0, &(0x7f0000c2d000)='oom_score\x00') sendfile(r0, r1, &(0x7f0000a12000), 0x1) sendfile(r0, r1, &(0x7f0000929000), 0xff) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0106434, &(0x7f0000000000)={0x3, 0x0, 0x1, 0x9}) ioctl$DRM_IOCTL_SG_FREE(r0, 0x40086439, &(0x7f0000000040)={0xffffffffffffffff, r2}) 2018/03/07 14:40:22 executing program 5: r0 = memfd_create(&(0x7f0000000000)='(]\x00', 0x2) sync_file_range(r0, 0x3, 0x8, 0x1) openat$sequencer(0xffffffffffffff9c, &(0x7f000042c000)='/dev/sequencer\x00', 0x80002000000a02, 0x0) 2018/03/07 14:40:22 executing program 0: recvmsg(0xffffffffffffffff, &(0x7f00000004c0)={&(0x7f0000000000)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000080)=""/102, 0x66}, {&(0x7f0000000100)=""/49, 0x31}, {&(0x7f0000000140)=""/142, 0x8e}, {&(0x7f0000000200)=""/64, 0x40}, {&(0x7f0000000240)=""/36, 0x24}, {&(0x7f0000000280)=""/3, 0x3}, {&(0x7f00000002c0)=""/167, 0xa7}], 0x7, &(0x7f00000003c0)=""/247, 0xf7, 0xffffffff80000000}, 0x40000000) bind$llc(r0, &(0x7f0000000500)={0x1a, 0x3, 0xad, 0x400, 0x689, 0x7ff, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x10) setrlimit(0xb, &(0x7f00003a1ff0)={0x0, 0x2}) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f00000005c0)={0x0, @in={{0x2, 0x4e23, @loopback=0x7f000001}}, 0x9, 0x7fffffff}, &(0x7f0000000680)=0x88) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f00000006c0)={r1, 0x3f}, &(0x7f0000000700)=0x8) mmap(&(0x7f00003a2000/0x4000)=nil, 0x4000, 0x0, 0x13, 0xffffffffffffffff, 0x0) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000740)='/dev/vga_arbiter\x00', 0x2, 0x0) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000780)=""/144) getsockopt$inet_sctp_SCTP_ADAPTATION_LAYER(r0, 0x84, 0x7, &(0x7f0000000540), &(0x7f0000000580)=0x4) 2018/03/07 14:40:22 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:22 executing program 4: r0 = open(&(0x7f0000cd8ff8)='./file0\x00', 0x80040, 0x0) fcntl$setlease(r0, 0x400, 0x0) r1 = open(&(0x7f0000198000)='./file0\x00', 0x0, 0x0) fcntl$setlease(r1, 0x400, 0x0) fcntl$setlease(r1, 0x400, 0x2) r2 = socket(0x10, 0x3, 0x0) write(r2, &(0x7f0000000040)="260000005e000900000000001fddfffffff332000100000002100000070000070009fe6e50d1", 0x26) 2018/03/07 14:40:22 executing program 6: r0 = syz_open_dev$evdev(&(0x7f0000d19fee)='/dev/input/event#\x00', 0x0, 0x2) read(r0, &(0x7f0000984000)=""/24, 0x18) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000001, 0x8031, 0xffffffffffffffff, 0x0) pkey_alloc(0x0, 0x2) pkey_alloc(0x0, 0x3) listxattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/27, 0x1b) openat$selinux_context(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/context\x00', 0x2, 0x0) [ 48.948600] Swap cache stats: add 0, delete 0, find 0/0 [ 48.953944] Free swap = 0kB [ 48.956960] Total swap = 0kB [ 48.959952] 1965969 pages RAM [ 48.963025] 0 pages HighMem/MovableOnly [ 48.967411] 320510 pages reserved 2018/03/07 14:40:22 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000759000)='clear_refs\x00') r1 = syz_open_procfs(0x0, &(0x7f0000c2d000)='oom_score\x00') sendfile(r0, r1, &(0x7f0000a12000), 0x1) sendfile(r0, r1, &(0x7f0000929000), 0xff) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0106434, &(0x7f0000000000)={0x3, 0x0, 0x1, 0x9}) ioctl$DRM_IOCTL_SG_FREE(r0, 0x40086439, &(0x7f0000000040)={0xffffffffffffffff, r2}) 2018/03/07 14:40:22 executing program 0: getgroups(0x3531b781f9ed5218, &(0x7f000049efe8)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0]) r0 = syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x2, 0x80000) ioctl$EVIOCSMASK(r0, 0x40104593, &(0x7f0000000100)={0x7, 0x88, &(0x7f0000000040)="6d011b738a7ce35139fde7c986dc2b3ad19f95bb48f744586967e8284122888d9ffa06704961d1019d416206395b01022e3f8a77a3bc72e9e9b1342779fc3a03a4fee01804d1eb40bdb322fbf103d082e1c1999eeec2a655129df486c401f3275e29d4bfcb5b471a9149890904de8db45baf64a586364697078b4715d004c4845c1ec1b2b1dd22ba"}) 2018/03/07 14:40:22 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) getsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000f4bffc), &(0x7f0000000000)=0x4) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e21, 0xffff, @dev={0xfe, 0x80, [], 0x11}}, 0x1c) 2018/03/07 14:40:22 executing program 5: r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x402, 0x0) sendmsg$nl_crypto(r0, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000180)={&(0x7f0000000080)=@get={0xf0, 0x13, 0x312, 0x70bd25, 0x25dfdbfd, {{'wp384-generic\x00'}, [], [], 0x400, 0x400}, [{0x8, 0x1, 0x6}, {0x8, 0x1, 0x4}]}, 0xf0}, 0x1, 0x0, 0x0, 0x4000}, 0x40000) ioctl$KDSETMODE(r0, 0x4b3a, 0xd76) r1 = syz_open_dev$usbmon(&(0x7f0000000200)='/dev/usbmon#\x00', 0x8001, 0x2600) lremovexattr(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)=@known='security.capability\x00') fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f00000002c0)) pivot_root(&(0x7f0000000300)='./file0\x00', &(0x7f0000000340)='./file0\x00') r2 = dup(r1) getsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f0000000380)=0x54, &(0x7f00000003c0)=0x4) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000000bc0)={{{@in6=@mcast1, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast2}, 0x0, @in=@broadcast}}, &(0x7f0000000cc0)=0xe8) sendmsg$nl_route(r2, &(0x7f0000000dc0)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f0000000d80)={&(0x7f0000000d00)=@ipv4_getaddr={0x7c, 0x16, 0x20, 0x70bd2d, 0x25dfdbff, {0x2, 0x1f, 0x10, 0xfe, r3}, [@IFA_ADDRESS={0x8, 0x1, @rand_addr=0x4}, @IFA_BROADCAST={0x8, 0x4, @multicast1=0xe0000001}, @IFA_LABEL={0x14, 0x3, 'eql\x00'}, @IFA_CACHEINFO={0x14, 0x6, {0x3, 0x2, 0x4b07ba0000000000, 0x40}}, @IFA_LOCAL={0x8, 0x2, @loopback=0x7f000001}, @IFA_LABEL={0x14, 0x3, 'ip6gretap0\x00'}, @IFA_FLAGS={0x8, 0x8, 0x10}, @IFA_ADDRESS={0x8, 0x1, @local={0xac, 0x14, 0x14, 0xaa}}]}, 0x7c}, 0x1, 0x0, 0x0, 0x24040881}, 0x4004004) fsetxattr(r2, &(0x7f0000000e00)=@known='security.ima\x00', &(0x7f0000000e40)='+trustedselinuxprocGPL\x00', 0x17, 0x1) getsockopt$inet_sctp_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000e80)={0x0, 0xfff, 0xeb, 0x8001, 0x58a, 0xffffffffffffffe1, 0x3c19, 0x401, {0x0, @in={{0x2, 0x4e23, @rand_addr}}, 0xffffffffffff7fff, 0x5, 0x80000001, 0x3, 0x327}}, &(0x7f0000000f40)=0xb0) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000f80)=@sack_info={r4, 0x8e0, 0xe2a}, 0xc) flistxattr(r2, &(0x7f0000000fc0)=""/207, 0xcf) setsockopt$inet_sctp6_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f00000010c0)={0x81, 0xffffffffffffff81, 0x1, 0x100}, 0x8) llistxattr(&(0x7f0000001100)='./file1\x00', &(0x7f0000001140), 0x0) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r1, &(0x7f0000001180)={0x2}) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f00000011c0)={r4, 0x4, 0x4, [0x6, 0x1, 0x1, 0x6]}, 0x10) ioctl$DRM_IOCTL_GEM_FLINK(r0, 0xc008640a, &(0x7f0000001200)={0x0}) ioctl$DRM_IOCTL_GEM_CLOSE(r1, 0x40086409, &(0x7f0000001240)={r5}) fcntl$getownex(r1, 0x10, &(0x7f0000001280)) getsockopt(r2, 0x8d, 0x81, &(0x7f00000012c0)=""/158, &(0x7f0000001380)=0x9e) open(&(0x7f00000013c0)='./file1\x00', 0x80080, 0x100) exit(0x1b13c31e) getsockopt$bt_BT_DEFER_SETUP(r2, 0x112, 0x7, &(0x7f0000001400)=0x1, &(0x7f0000001440)=0x4) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000001480)={r4, 0x9f, "c69f3208c02bf8dc3f05c0df88afe906b66d943b072b1880871531c3a2cbd79d99b1e8128128084adb27c5d6ae0fe43fc5b79ff6059fa227b787e992b8052f3622c002c584d60935e2fab3a424e5513b434a3387ce37d5e4bc487e0f5dd82376b27c6973ab20d5e7f92105a9a34ba8dafbf65918f55ab8eff004a37bf60afd31aa816c110cf7643df476593abbf0ca786404da6351dae0d22471c7d17de33f"}, &(0x7f0000001540)=0xa7) mmap(&(0x7f0000ffc000/0x3000)=nil, 0x3000, 0x2, 0x20010, r2, 0x0) r6 = dup2(r1, r2) epoll_wait(r6, &(0x7f0000001580)=[{}], 0x1, 0x1) 2018/03/07 14:40:22 executing program 1: r0 = epoll_create1(0x0) r1 = syz_open_dev$sg(&(0x7f0000000080)='/dev/sg#\x00', 0x2, 0x1) ioctl$EVIOCGUNIQ(r1, 0x80404508, &(0x7f00000000c0)=""/4096) pipe(&(0x7f00000c1000)={0xffffffffffffffff, 0xffffffffffffffff}) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r3, &(0x7f0000867ff4)={0x10000000}) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f00000010c0)={'dummy0\x00', 0x1000}) ioctl$UFFDIO_WAKE(r1, 0x8010aa02, &(0x7f0000001100)={&(0x7f0000ffd000/0x1000)=nil, 0x1000}) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r3, &(0x7f0000930000)) getsockname$ipx(r2, &(0x7f0000000000), &(0x7f0000000040)=0x10) [ 48.992360] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 49.004066] CPU: 0 PID: 7928 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 49.011588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.020927] ffff8801cd1978a8 ffffffff81d956f9 1ffff10039a32f18 ffff8801cd3f8000 [ 49.028975] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cd1979b8 2018/03/07 14:40:22 executing program 1: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x20a000, 0x0) clock_gettime(0x0, &(0x7f0000000000)) write$sndseq(r0, &(0x7f0000000040)=[], 0x0) readv(r0, &(0x7f000076f55e)=[{&(0x7f0000fc0ffc)=""/4, 0x67}], 0x1) 2018/03/07 14:40:22 executing program 1: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x2000, 0x0) setsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000040)={@broadcast=0xffffffff, @loopback=0x7f000001}, 0x8) r1 = socket$inet6(0xa, 0x2000000802, 0x0) connect$inet6(r1, &(0x7f000000cfe4)={0xa, 0x4e20, 0x0, @empty}, 0x1c) setsockopt$inet6_opts(r1, 0x29, 0x38, &(0x7f00000000c0)=@fragment, 0xffffffcc) sendmmsg(r1, &(0x7f0000006180)=[{{0x0, 0x0, &(0x7f0000000300)=[{}], 0x1, &(0x7f0000000340)=[{0x94, 0x1bf, 0xffffffff, "04520380d5730948ebf5b7919ac928860170d6bfb1ae0d1a0bd745125334c32a98ea4c51e16e8cf187b46ed0ce2f42efe6ae649154f43df2acc2822dc0c859a0179689224d67a5cda8f6d909682221d284a34bf0d59d604aafcfb2f16a1497d6f4803f128c4afac1253c955035ad903ff603214f8890087e3141733331e141f81d2b6bf9c0"}], 0x94, 0xc0}, 0x7}, {{&(0x7f0000002b40)=@un=@abs={0x0, 0x0, 0x2}, 0x8, &(0x7f0000002b80)=[], 0x0, &(0x7f0000006200)=[{0x100c, 0x115, 0x100000000, "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"}, {0x30, 0x11f, 0x26a, "df8c4f4b990fd4b97d0f1966ea891033bf3fd08432e3f9695827ee218c9784469de90a"}, {0x44, 0x0, 0x800, "f4e4cf6284539de0e86a5aa55afd6aace034be6d51687d78e0ffdd939ec94b1766bc20bacdc6d42748dfe53f0f43901031e600ed20"}, {0x68, 0x119, 0xe582, "9a89a5d464cf96bf5226058161fdbbf75c8d634bde23cd194b1f88169a9874fafb4d340618aa2f61741c3717dc0be6be2fcf33859043b509b27b921eea51c1b6242ce9a7141806ec05a815f8f2498085b6813d31c4e32daed7697b"}], 0x10e8, 0x801}, 0x3}], 0x2, 0x0) [ 49.037025] ffffffff81451c92 024000c2cd1978f8 0000000041b58ab3 ffffffff84195b35 [ 49.045056] Call Trace: [ 49.047639] [] dump_stack+0xc1/0x128 [ 49.052996] [] warn_alloc+0x212/0x240 [ 49.058436] [] ? zone_watermark_ok_safe+0x280/0x280 [ 49.065091] [] ? avc_has_perm+0xb0/0x4f0 [ 49.070795] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 49.077276] [] __vmalloc_node_range+0x3f5/0x5f0 [ 49.083586] [] ? check_preemption_disabled+0x3b/0x200 [ 49.090418] [] ? task_has_security+0x130/0x270 [ 49.096640] [] vmalloc+0x5b/0x70 [ 49.101644] [] ? sel_write_load+0x130/0xfd0 [ 49.107605] [] sel_write_load+0x130/0xfd0 [ 49.113392] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 49.120304] [] ? futex_wake+0x146/0x440 [ 49.125922] [] ? sel_read_bool+0x250/0x250 [ 49.131792] [] ? sel_read_bool+0x250/0x250 [ 49.137661] [] __vfs_write+0x103/0x680 [ 49.143183] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 49.149664] [] ? __might_sleep+0x95/0x1a0 [ 49.155451] [] ? __lock_is_held+0xa1/0xf0 [ 49.161235] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 49.168060] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 49.174628] [] ? __sb_start_write+0x14a/0x310 [ 49.180760] [] vfs_write+0x189/0x530 [ 49.186114] [] SyS_pwrite64+0x13f/0x170 [ 49.191726] [] ? SyS_pread64+0x170/0x170 [ 49.197424] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 49.203554] [] sys32_pwrite+0x39/0x50 [ 49.208994] [] ? sys32_pread+0x50/0x50 [ 49.214516] [] do_fast_syscall_32+0x2f5/0x870 [ 49.220637] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.227281] [] entry_SYSENTER_compat+0x90/0xa2 [ 49.237207] Mem-Info: [ 49.239634] active_anon:55540 inactive_anon:44 isolated_anon:0 [ 49.239634] active_file:3477 inactive_file:8548 isolated_file:0 [ 49.239634] unevictable:0 dirty:6273 writeback:0 unstable:0 [ 49.239634] slab_reclaimable:6581 slab_unreclaimable:59206 [ 49.239634] mapped:23806 shmem:2921 pagetables:621 bounce:0 [ 49.239634] free:1474708 free_pcp:411 free_cma:0 [ 49.273190] Node 0 active_anon:224200kB inactive_anon:176kB active_file:13908kB inactive_file:34204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95200kB dirty:25104kB writeback:0kB shmem:11684kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 53248kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 49.302935] 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 [ 49.332384] lowmem_reserve[]: 0 2908 6410 6410 [ 49.337724] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 49.368973] lowmem_reserve[]: 0 0 3501 3501 [ 49.373878] Normal free:2900896kB min:36824kB low:46028kB high:55232kB active_anon:224200kB inactive_anon:176kB active_file:13908kB inactive_file:34204kB unevictable:0kB writepending:25136kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26336kB slab_unreclaimable:236772kB kernel_stack:5472kB pagetables:2436kB bounce:0kB free_pcp:956kB local_pcp:228kB free_cma:0kB [ 49.407822] lowmem_reserve[]: 0 0 0 0 [ 49.412182] 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 [ 49.427515] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 49.444788] Normal: 308*4kB (UME) 212*8kB (UM) 193*16kB (UME) 151*32kB (UM) 149*64kB (UM) 20*128kB (UM) 8*256kB (UM) 7*512kB (M) 1*1024kB (U) 6*2048kB (UME) 698*4096kB (M) = 2900896kB [ 49.464270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 49.472874] 12124 total pagecache pages [ 49.476854] 0 pages in swap cache [ 49.480288] Swap cache stats: add 0, delete 0, find 0/0 [ 49.485620] Free swap = 0kB [ 49.488636] Total swap = 0kB [ 49.491629] 1965969 pages RAM 2018/03/07 14:40:23 executing program 1: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x0, 0x0) bind$pptp(r0, &(0x7f0000000040)={0x18, 0x2, {0x3, @rand_addr}}, 0x1e) r1 = socket$nl_route(0x10, 0x3, 0x0) ioctl$EVIOCGEFFECTS(r0, 0x80044584, &(0x7f0000000080)=""/4096) sendmsg$nl_route(r1, &(0x7f000058cfc8)={&(0x7f000078d000)={0x10}, 0xc, &(0x7f0000797ff0)={&(0x7f0000725000)=ANY=[@ANYBLOB="1800000b14000100ffffffffffd0579b82bf7d5a", @ANYRES32=0x0], 0x18}, 0x1}, 0x0) 2018/03/07 14:40:23 executing program 5: r0 = syz_open_dev$sg(&(0x7f0000005000)='/dev/sg#\x00', 0x0, 0x8009) write(r0, &(0x7f0000eaffa7)="dbef803e3d9f6de1e52055bb7c8a326fe46092b668269ad789c5d7acad0e771f13ffcb59029b011ded54a09c41c6cfcfbcd743cc665c33af223d42438b496a0304891c88697ae700a70f330e6fe3a1c9c76f315019b32968", 0x58) write$tun(r0, &(0x7f0000000000)={@pi={0x0, 0x15}, @hdr, @eth={@empty, @empty, [], {@generic}}}, 0x1c) write(r0, &(0x7f0000000040)="ee87fff5080000000000ec676c6d0000230000e2ff057362569a076008265e3e6538e0ea000004000000c4", 0x2b) 2018/03/07 14:40:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000), 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:23 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="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"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:23 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = add_key(&(0x7f0000000000)='ceph\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffe) r2 = request_key(&(0x7f0000000080)='ceph\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000100)='sit0\x00', 0xfffffffffffffffd) keyctl$negate(0xd, r1, 0x8001, r2) 2018/03/07 14:40:23 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet6(0xa, 0x1, 0x0) sendmsg(r0, &(0x7f0000001980)={&(0x7f0000000040)=@ipx={0x4, 0x800, 0xffffffff, "1b7af0c0438b"}, 0x80, &(0x7f00000014c0)=[{&(0x7f0000000100)="be53d2dca9fd2d50fcf0a2e0ee0177d284036e4cb51fe59fba5b39e19163306dbc226b7177e46095adda189e8f276ec2ff83e3da21192befe84a72b2e6b85d38fc99196e4882050fc096c20ebb2fb98ecf6a1184a22e14cde950c810c062f5a014ad9e35e43880bd1f55f83739982535ddea7a7e002e0834cb7169d1e12b62f4d91aa85e423914c4e90847ce3c498211c022bafdf3749c22fa02cb5e249234787472a20a81d12d90b32ab26f50f18eeac1589a1d00bd2a3d7c5d2f5663f55396b0428e0f5b332fea32dcea094f6d40301ecfdf48787247d96ef6", 0xda}, {&(0x7f00000002c0)="33200cbafd45038d5e5fa40bcf0a867779a255adcbd62182e82c7f2bed5a051499bf42c54952844a6536a1b3e2ddb43c4d1cd2cd20cc656177bd9ff88b8c7543ae911baa7535212fb2644e12881e97a0e615c16016be42f5a6ad4f10f042dcadfd891b692cf9faadd2b7375d2b0456d398edcf6fe8861a28d3b7bdde21b73f43c2dcb1febb16c473437e870714ac8d3c3e32f3317ecc5d60691aff79543de68e0ea480b585db93534720ad1608081f9450c31f57fdf2d7b2", 0xb8}, {&(0x7f0000000380)="12474c570a6342c7c56663f91fa1c67950c75ccca160196d8a79d1ded98a33c2f4b61e5325b9df99525feb5f9afd2339182c3faa9dbace07b2c67f9af3c336d42f6aedd6dacb22543f2c70db8301436976175b50b7445622e3b31010e2f713236098322e345a3645fe9dc85c1faa8bec0a0cdf490a69b920f5895c50ddcb5f36", 0x80}, {&(0x7f0000000400)="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0x1000}, {&(0x7f0000002040)="fef3bc4ba99e7da10ae63188f288055d33064a1a32f4feda62218519fdfa6e36ff008b8765ce6e20796fdb877b555f077376819f4a1ac191ceed1b6774915e678fac3fbadb4200bbe0e2f1c273b2e174ed64eb2593e7213db2a42b99f82d05173ae327d269508e14627113230468f14dc16669f61886936f215392779d3c3f491f1972fdcaaa5e94eeb8a097a81dcc54126634fa62c32631b1a9f989383140296d1e909a882eda44c0a4e425c09a73f148e902b5439427d4c12b41bf946a1c4c3083312289d357edb5397b9535488f6eb70413fd045987a4fac0767ce25611215c1a4845cd0cdcd8fd0a7253e74030d5acb056d0296ad55a0366bbf8d782ba5e54ef1cd357b4f27ce5cfc8c709ea6d43e37b0985f0dba3c835d740a58c0c3d6a451981aa6a18d380b99053be718012726ca94c129b6c9d700fb6c917d2ac2e716377d1744d7a1994e4bceb5fa917912444316d90bac42f807362ecd3d3089a8fba394374f98a70a81e69e2e440a201aaefe85bed56be551719f9d03a764eab0b698ae2c06c50596711d5524effd726987b5dafd6d3284f4def68233e5d89d8dba0fccaced7b6aaf58bf0c3d59a4e2ab10865a00fb6e951c7937f2533dcf10b14adef5a55cb0ef9bd884545e88e38ee4ce3760ffc6a037e9aabeb0f6db8a35d026f8effdbf2b7d20325588808e010ba26973342c6f521e5f2ae93e5c9c1d69ae9f9ee79eba134f38d39b4f4482d8f87061de41e031964c3021a6ce8d5f941287e76a41bace45e38454b95383d3fa26aa5702bf9e8997bea4f04ffc6141fe807f41f602dc826d79ac99b633814b83c23ccb9e6f5fc87c62654f519ff82c07dfc9018007c162e37663a66a5eadf5bd865cd9604547568f865d2caa482e0deafd901ab7a70c1bcc4decf86f5804c90d5551e81ea2a2dda2ee228542c3dc7df5e3fb645bb178a18d3e43030e02a96f03efec53f8b225db6f9f45d99b68abb03a066649530380a6044feb338a6a3299cce3fcd7b16e673db5e7d1b101bbde324ce820d655674daa6c9986c524c83b78b84f76f69a488619e18e883ad1ee2c0392139284527cdcaf5cf66a69693b9a56434c7e3d3fca3bc80c808b4b97b7388b34adcb78a4f06a7d77051783b95011d1e88afe08389a11f056b023306c1121b9450c3c7c0b970c7f57553e8597652ae5550beb4a575305632fc319d2f575c1097729a77bbd5b94cb179430b23bee1096d2ec0e00c21866df1d1ff9c11a64a77ec9942abe717aebe8e3c781f621d62f461f12145aaf78d0b2d5934ee85500c53f8be46b896535e77a8f4c3c7e53f8ce6de718384e7b24bd14f485357921cb4fd9e8bceb8ff83ff1be826a112c67c9bca5e054a554df01e8ec8b65b17ac09e1197847d9a8575dd753c335c58ff06269bcba4b67fd6b142c4702f61687d4758ae0406360976c33726018480d737371f47c0f64d3428ee63784b44697f925bbc695976f4974d22d516ecb7a8590faff6302c0a196bf2d994b71ab560bfd644a03b9c17b8a1f6e826593d7d76f288c8ec9f22b4e775afa037f66e8db67027b3f401485f039b7a21e61d18b268a6b51249f899f1e79b85cd9d9d2b0757b5d770c94da4a95ac378428cd6acb2a174b314ae48a19563fb3d6e100483a798c7c1e293281dc69e540a5d7c0b3e2c723d052be65c4901c8aff9f8b50e63ece49b9e0e4c14d63da029b8564c87a08b682bafc7dfc0fd6045964bc53f968134ef86bb6495d7a7a3706f6d0bdb1db53a785e20c2d5571efce665b93818bb181a65d1abc2d2a491afa01acb9829f451ae6264668ff0b7b1f3e299f228e9028590da5a72afe2df71c75c96873c7f097c9b2facf9fc8e56263d73dc48bb9a02ccd499595acb7e288d142affb16a174f23a43c35d4ae8028e3eb8ebf3c3f7e403acbf5b1c476e4e03146577bd81c8ce75354f81fe9535e4a4494dd30db346dbe29993db44e6c4ac52d37bd603076380b14302eeb7f3782ab262fa752fc12548d3d5ce5d1d0c436578dadc1d006c47a8f6bd8e61e5f371d788d19a1d8bb6d52ef2b013645327aecefd372a9446d558d8015f81d96d77c2ed2e7b24ba0ebc0bd1ba4c0852936147f4e8a919af407c6b1288a58c6d5b89183dbe6b9b7db0ee5ec8de3588950a3219814e303587fcaef2f933a6456d4259481408bb9e7ee95f0553ef8d6e3eb9631cfdaa06edf6282322a9794efb1f6c23c5c88bfc67cb16589155b94d25caa7d980e25daa3d7f9422620c646293d885f815739dd339401a0f43e976e851ca98d3d5c943f19f5057263657fd4cba33cf8d3bea5e67e8a705a3b94c82bbcd48a7b95cca7c1492c2a63b04b5a65c1f24d5434ac66df46a3b049d52d52b074e005202f632eb2eed19e4b226b91fab44f7e9abd63691c752371803ecad91d12590dd2434855d780b52c0a918a7b9183a7fb677c6386e1bb1e2f11faf2b8976dbdf51790c9c38c4285c3e378a759de4635384de45d10d3ee8cc86227cb34c0131098c84bc9a192751dc2388ae12aba65858e7c997de116bbb352688fed83801effe4e271b9578e3bd39034d277f5ca50f283a365f2cd3af5f51b37b1c8bbdc84767d6b5813f43c3025d9cd3096da960d207d7d52ef2d12b10991316ad148e0bbfad95b3225f8e97d5e5f99caf88035d0f983397df50e8811a3f73e6b75eb10af2615ecdbb3207d330501bcc94501535b69ce8709ebe2e5351574e5fdb3182eff1b5d08c25d298afa36552a61145106fcbac4a3b058471a419e0dddb962965df06613e57fad94bf63e10b9e1d161e3e05323251209d8ceaa4b18050684fa414df37e657b24190ceaf2b5ea54a0606e8c6593d2c9a3beff323a581e647f5e4a6c418160c844bdacea5ce839cecb7270da6317fcfd5c446cb445dc93f9b7a0c2bf0aac7f969795163c00010b7e610038b9db5c7510144a109d9eccf60f1fe1cb65f8a389812a47d5ed5fa0ce1e8ea4304a35a2f0eff340abdf40b34bfa9ce8a231f6dd3af0577d2207b20c48050fe1bad3780207ddc72b1a2c16be45fef09e15729bc8fb4f958957d5784262959030adac2a5e852396462f6e9f47a9ad224d9d3aff5d766952fb686cd3e679b16c409316c877ade600c3a5d1f0bd75958f882e613963801f04487610f47107133393762012d6ef79415841349d44b3722d541db029fadc81dd86ec616cf2530abc2a566171c9c1b041910e7626f6523d29cc68bd8cb795c9fc8eeced4c1f0a441e9e098f632a2d36ffd585fe2175ec257b5d44966a413b3183b9bc78060685aba071b9fc3ec12446ce05b0c71ff121baa9ea7714992cd582ad4d0f39f9dd038084bdc62fb97c81cf533786beb9e5c34ad1dba66153c226ac890d67fcbb643cfa0c478efb89dda6d2ce68e8dd3dd89547de47e3a9d1c62923733f0fd7661a0c6c7e4d44259ad6fe5a7c6939b6272cbe7f214df8f41300130663d90931cc3b1ab31acbae7042d632a45b24277905e6fc27c5fa4b53c45d2ad0458e5b7ab7e95a241e92e63df96dfb5f70edc9904f6757be72e49e688170a3aaac492c7284b81048c24389d34d116a7b400cd93eb8ba512f3c3f1a48164255e782da41b1db789c6482393b336ad7f39a4e6d3306ce2afaa16e847d10f1a18227104bcbc30eda56bd865f3e97b990534509516308900c0d0aa6e2bead7ba43c4860daefa37c0946c21a1876dca76cf67840ac7f4a91174282decf2a07b01944c58dff21e2a6f2b48ebd42b50a7850bf82f1f6c1add94f5df39bcf0699a709733e67e4a5e8de4857f6471701be0547d73e6e83ddada45c292c4e49b23cc8245829a251569857f54a4d2452972e9704ef06460fb84ae51836b69bbcfca44e7dc789217d2bd9854eec0c0880cdc455cb3af1fc5fbb7239fce84bc334048106f4bc90e9c7c242d3b2fde7ef1f90c8c6079439f1dbb7cbb92d663396607e8930c37abc76a978ac24326bbd70d055e2bfc42855ab28ab326f500e2bedb09b7596eaf6f7e3c47e2778d53d2e34e4a490e6e01bc480527f6907c24c8411a3106792961231cbf6b2cffbe416c934fd432f763d547eda6e501599cf47708e83d603943d35f3072d9acc699b5c6021e85e8d32de50439b12fe435892182fec02d9204bb481423bad6ec7b35efafe6454cb455acb4f424418abc4d9000200e1bf2b9bebdac9848b7dbdd68ba7ddaee914796bb84af4ab612810107e1a401c28cab4ebf0bdb17914ae0c74af211243fd2ab78682f54f95f20a5a68b21b95cb54eb299f8a7fefad310b37228c4668679807599f58054f39f9227eea6e92311e35e814a4c8da0ef813fb0d8407d4e080fe45d1c1606368d6e19d227e93215931b8bc23193fea946de406a3621bca752cbed3ee94e2914967e4ac54cd8ed094af12d24c2601898bc70dacc40322180b0ec89b765e79fc11533da5356b8a4d1453084e455971cb25d6581c202c8e3534c9a9cab640da87d883613a3468f6643ccbe49ef8502fb505608e66d60d1dae509e8f2a9a93b19efa8b949fb6ffd3c068a1e0220247e99714af1c33bb28ce20c21d18579cd207e2530a310bc74eeecd2abc7d141c2a85fd1081aa830bb70232a9fe5fddd42d3bb040a270d55ce5c30c14ad1204c45e8ff633b77a98f239b10911dde256aa2fe661bd5d310eb9db7eb672b7b14b4322c4b02ef28b50bbd6e0b9df5571cd17aba9b8e15407cb45f29c3e8a7c3cfbe9203e28ed8a530c77a8cd802d62b1868079e57adc91cd9f78dc5e04153860c355f5899f22322ea7ef27808cb884cfa39b132d95c37ca2c5787e31884ca26f4625a721f4b988fcb651599df60a85235d31041d9a21d0ff034e8f7d9c61217a45404d2ad17fbb47df61ac3d349271b0882fde314a7986b20dcfded0693262429f922c29c3d0c581476fb1e4ea899d9e245279843d15ef1d6d4954f8159051a1ef5b300f3dd55b37cbd831e94b2d4ba4dca14f08d540ab94a9c6644a1a62960138fe20e1bcf37c50de9d0f43bd0b7902de491e2adf3878cf265dcc3ab309f29c0df1960ab0e649daeee544835c645ccc2ab7fc6cb85c901a9b603af120d6072025b808685a32f503133ff514ae8188a6f4826b158dbde094ae7529c3624b824eda250af8d4280d9c05c10522c76bae3fba63adfad9d81c55ad925eb9b1abee6de34863ed3b8ed677af497f5212084be74008860b8aca9a261f35e57bf727c341477770efb20705d7a2656a5af2c81ff569d922de743864689cadf07dd2e3a544fdae3068bc1286327711f1f7db78fafeb9fd0c283b170e6ab7b2f9fef93d92ece37dc445aa146d0b3d99d88a2cdf391b572f35b8e8c137956b33ce95261711ea9c2cd1040e36cf116ab6e3129ab9f2c09bccb0bfdc47881b06de70d0ac5feb9b042532b53f8e55ac8a4e2cecfcd1224a38dff9795dba1754a23dd411ad18e270e8543cf97d3a07132652636d9b1f36e5f552f4b8a9fda2ca5ff80301295c938d6a5212624945377887e82632d5402dd8f90a0c6cb5315a1c56e140bc947e1cfa83dc275e29cb636c1083721898071cbb848ef11ccf9096a2bda2e5bddc8e4446d06046aef8141ea79dc70265a959d849c1c05cebcb43d5a4507ec46f702a29e24a5e63c200a7670c57c42d7d3556b348df10dcc62b39b44babf54279437de74124611f00e2c413c4bc1050f0097e61f01de89b5e667b13705acd1674eb4e5a7f5ba45a0638a30916f71871022897c79a197b5d1c7e94e8dde149864d45fdfc9253c7f6738fa1c9cf8bb8c25b5a49", 0x1000}, {&(0x7f0000001400)="ee7daa70cb2eacc2f5df47417c4d7211", 0x10}, {&(0x7f0000001440)="ef364fb8f2e32cd326203ef8bcbe12385c123928ceb0d98a9c7ecf31206fe31534b0ac254d81676f3cc00ca25e71d6897df19ac1145dd65422da3cc7dd3aca9014bd52fe0c49029a649c21f14a47b17f49e0bab9e6ffcd4a7593eea02741748cf74c4ec494aae2b2b6", 0x69}], 0x7, &(0x7f0000001500)=[{0xe8, 0x10b, 0x9, "a9cc1cc68b65b12ba8b36fccb93013d8e0db6655a08bdb1f6ae345f7583c9b1dfc149fb67ede2823c4969043fe175402b164952b4755818e642849aa6caacb7dea33faa28c4717cdc0a8678ed74e666b52b5d6c528093d0b43c3597e83ce3f9d0ba5c4e89544e6cddcc44849e31a2e04c760eed24061c540fbb59060f0318a9d0c808285b7bc98ec36e08db2c25585383aea5bce6a7421b669ca41db21d8f8864e5d16fb694d3750e359ebe33c6b48093a3966bd9d3738c2f2bb3b93d410f83441545fd83fe91ff83e6397093fbc7fef6d9fac02411fab5e12"}, {0x40, 0x117, 0x32f, "9bee78c61ac1cc0d5130b810b325851d936845a049f18ff3a3e5b4dff1d2f2a08bdb9ec019a45131b542f961a5de04a1bd7c39"}, {0x104, 0x10a, 0x80, "19edbf6d558208ff890d9811ce17e544df4824825fcda8eaa46f067be924e3c6d53589905965bee92487fbfc0835a1f0168168c479a2913b10a2349a34983467ed8d21bc418475a6a9636af165cb9b9916bbd5240f0f54e2507255314c83dfad822016af60d3f59e62c991d275c13afadc53c9291029d099a994b7724356c27b36c56f9be25a7b019d457688fd92e5ffeafcd54900baff30e61b82ed0be23434544583310764b2c204cd0c223499331d082ce1427a0bea2cb2637ff444be6c1e70b87f0afa582a694d7f82adf8eb0b72c2736bf800b2efe971a698eeae8841d3946932c719f2c69672f663dfa6c1824f44c92a09cc3981"}, {0xdc, 0x1, 0x100000000, "32d2398c6d6eb7f8d221443227543fcb6d094d0f3beffe56580da5bdb70d8553d51cceae913c948722bc10288a19ff9e720064c63e68b6404e8662b9614aa4864e21f58d7b721677f8d5250fb79e4a33857af9dda172bb4819e8d08def5f30a6fed33c64120546e69e9d86cd1144d6cbcb835a2c50dfd25c6c1d1a8d8efaa244e1a0777694224f7f59df7b8061053e8f44f26a21f787a7612e0ccce45fc1c33346b8642ebfc691d5eec24fd02330eae4a574639201be428652c4decd8569fd96dfa497ff4324160e31e9686575d6e9"}, {0x3c, 0x19d, 0x6, "3ceeccad57a86348bb2923d8643525e74a338fd0fc07d7112608ead2cfa2c8c6bac1b3dcd36ac54c29efcdaf2ac7f7c8"}, {0x104, 0x0, 0x1, "c01d3ed07e34f9368887dbb9e5cf68d108fc5087101d58e33c2a18bc1bbd189f202f376cd69c01fb7cba8b7910c07e6a90996c8247e7089865ec6202889057fb71a9d31e0a0b2f07d18c0aa0dbfd02dc2b7f545ae8ffb6d1cea855295ea0e44eb7754d6187c16a94e679605c24e819167467cd597453bc7da57c0b085b4309b2a5c5831a8e78afe84f93604c8576e0c8a0ea115293d7687e757c985856c8b8111039e6073a462e7ea5500094064758316388d459c78519c762bdc6c0efcd6799ecb9ce80753f2ae1ab9b584d76fb5df47cbe3eed787fdf2f26eba1f757636379a245a5c56f185a1b9e791301046b89d42bd5f7f5033b"}], 0x448, 0x800}, 0x801) r2 = dup2(r1, r0) connect$inet6(r1, &(0x7f0000001ff2)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendmsg(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f00000000c0)="1f", 0x1}, {&(0x7f0000000200)="de", 0x1}], 0x2}, 0xc800) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000001a40)={'bpq0\x00', 0x0}) accept4(r2, &(0x7f0000001a80)=@hci={0x0, 0x0}, &(0x7f0000001b00)=0x80, 0x80000) getresuid(&(0x7f0000001b40)=0x0, &(0x7f0000001b80), &(0x7f0000001bc0)) sendmsg$nl_xfrm(r2, &(0x7f0000001dc0)={&(0x7f00000019c0)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000001d80)={&(0x7f0000001c00)=@delsa={0x168, 0x11, 0x4, 0x70bd25, 0x25dfdbfe, {@in=@multicast1=0xe0000001, 0x4d2, 0x2, 0xff}, [@replay_val={0x10, 0xa, {0x70bd28, 0x70bd29, 0x5e71}}, @replay_val={0x10, 0xa, {0x2, 0x70bd2b, 0x6}}, @ipv4_hthresh={0x8, 0x3, {0x10}}, @offload={0xc, 0x1c, {r3, 0x2}}, @policy_type={0xc, 0x10, {0x1}}, @encap={0x1c, 0x4, {0x3, 0x4e22, 0x4e21, @in=@loopback=0x7f000001}}, @policy={0xb0, 0x7, {{@in=@loopback=0x7f000001, @in=@multicast2=0xe0000002, 0x4e20, 0x40, 0x4e23, 0xa14f, 0x2, 0x80, 0x20, 0xff, r4, r5}, {0xffff, 0xbb, 0x5, 0x1000, 0x7fffffff, 0x7f, 0xc7, 0x200}, {0x7, 0x401, 0x3, 0x2}, 0x100, 0x6e6bbc, 0x0, 0x1, 0x1, 0x3}}, @replay_esn_val={0x34, 0x17, {0x6, 0x800, 0x70bd28, 0x70bd29, 0x70bd2a, 0x0, [0x80000001, 0x0, 0x7f, 0x1000000000, 0xffffffffffffff4b, 0x100000000]}}]}, 0x168}, 0x1, 0x0, 0x0, 0x24000884}, 0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r2, &(0x7f0000000000)={0x2004}) 2018/03/07 14:40:23 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:23 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = socket$inet6_icmp(0xa, 0x2, 0x3a) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'syzkaller1\x00', 0x0}) ioctl$sock_inet6_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f0000000080)={@empty, 0x6e, r2}) writev(r0, &(0x7f0000f9a000)=[{&(0x7f0000000100)="2900000021001900013d3500000a00060200000000000000000100040d001000086c0c557431696f91", 0x29}], 0x1) r3 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffff9c, 0x84, 0x1d, &(0x7f00000001c0)=ANY=[@ANYBLOB="00000000de20f553df1389fc37dcb246779c89245cc27b0aad3298cc22823619bf75a9b016dc1824810071c69a6db51ec22f96e082df17c93d1f80bbdd78b128c3e153a5892e430027e00a155a6da7e8b60bc32b310df80d79c00a1c84210800cfdcceb8999468f508cf3a2b946d296245d77e58f5de9422e65c11999e860e4509ee8805199a7043953c302a6ab99bc30401fe2284efe8305c7e1fbf5354a07759a09821b467ccb8bea6313d1d32d30546c6181b3443266f4d193bb193aca35c1bd952cc8d6d802c60b496065e3d3304ec317dceb5a1d6ba7b6efbcfcd68", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000140)=0x18) setsockopt$inet_sctp_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000180)=@assoc_id=r4, 0x4) 2018/03/07 14:40:23 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x2) epoll_ctl$EPOLL_CTL_DEL(r0, 0x2, r0) ppoll(&(0x7f0000000040)=[{r0, 0x40}, {r0, 0xc020}], 0x2, &(0x7f0000000080), &(0x7f00000000c0), 0x8) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000140)={0x60000015}) r2 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/checkreqprot\x00', 0x200040, 0x0) ioctl$KDSKBMETA(r2, 0x4b63, &(0x7f00000001c0)=0x5) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000200)={0x0, 0x6b, "418a819f2dd51d9a81fdfb5a71b1eab4e7ac36b11301b4d5267f09bf67cc3de0cc28990adde36f17dfb0adf65185512d55a401b5c0b97c1ace97ff2ac71f08697ffbce582beecc4cd3e8b743d3137c867b80983fc1ca65b922a92d8e7451e8d410d8fa8115153e107f3060"}, &(0x7f0000000280)=0x73) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f00000002c0)={0x52, 0x201, 0x0, 0x3ff, r3}, &(0x7f0000000300)=0x10) ioctl$KDGKBLED(r2, 0x4b64, &(0x7f0000000340)) ioctl$GIO_UNIMAP(r0, 0x4b66, &(0x7f00000003c0)={0x3, &(0x7f0000000380)=[{}, {}, {}]}) ioctl$KDSKBMETA(r0, 0x4b63, &(0x7f0000000400)) epoll_create(0xfffffffffffffffa) ioctl$KDGKBENT(r0, 0x4b46, &(0x7f0000000440)={0x3, 0x1f, 0x6}) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000480)={{{@in=@broadcast, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in6=@dev}}, &(0x7f0000000580)=0xe8) getresuid(&(0x7f00000005c0), &(0x7f0000000600), &(0x7f0000000640)=0x0) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000680)={{{@in6=@ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, @in6=@empty, 0x4e20, 0xffffffffffff0000, 0x4e23, 0x80, 0xa, 0xa0, 0xa0, 0x33, r4, r5}, {0xa4, 0xffffffffffffff1f, 0x3ff, 0x0, 0x9, 0x0, 0x1f, 0x7}, {0x3, 0x4, 0x0, 0x2}, 0x9, 0x0, 0x1, 0x1, 0x1, 0x3}, {{@in6=@empty, 0x4d6, 0x6c}, 0x2, @in=@dev={0xac, 0x14, 0x14, 0x14}, 0x34ff, 0x7, 0x3, 0xbc, 0x80000001, 0x4}}, 0xe8) preadv(r2, &(0x7f0000000940)=[{&(0x7f0000000780)=""/54, 0x36}, {&(0x7f00000007c0)=""/125, 0x7d}, {&(0x7f0000000840)=""/254, 0xfe}], 0x3, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000980)={r3, 0xffffffff}, &(0x7f00000009c0)=0x8) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r2, 0x29, 0x20, &(0x7f0000000a00)={@ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0xff, 0x0, 0xff, 0x1, 0x5, 0x3, 0x9}, 0x20) ioctl$TUNSETOFFLOAD(r2, 0x400454d0, 0x8) recvfrom$unix(r2, &(0x7f0000000a40)=""/4096, 0x1000, 0x20, &(0x7f0000001a40)=@file={0x0, './file0\x00'}, 0x6e) ioctl$TIOCGPTPEER(r0, 0x5441, 0x3) getsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000001ac0)={r3, 0x6}, &(0x7f0000001b00)=0x8) ioctl$DRM_IOCTL_GET_UNIQUE(r0, 0xc0086401, &(0x7f0000001c00)={0xb0, &(0x7f0000001b40)=""/176}) setsockopt$inet_int(r0, 0x0, 0x1f, &(0x7f0000001c40)=0x4, 0x4) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000001c80)={'ifb0\x00', 0x1000}) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000001d80)={r6, 0x94, &(0x7f0000001cc0)=[@in6={0xa, 0x4e24, 0xffff, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x4}, @in6={0xa, 0x4e20, 0x7f8000000000000, @loopback={0x0, 0x1}, 0x7fff}, @in6={0xa, 0x4e21, 0x8001, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x7d7}, @in={0x2, 0xa9, @empty}, @in={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}]}, &(0x7f0000001dc0)=0xc) flock(r1, 0x1) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000001e00)={0x5, 0x800c, 0x5, 0x7, r7}, &(0x7f0000001e40)=0x10) 2018/03/07 14:40:23 executing program 0: r0 = socket$inet(0x10, 0x3, 0x0) recvmsg(r0, &(0x7f0000005fc8)={0x0, 0x0, &(0x7f0000010fd0)=[], 0x0, &(0x7f0000002000)=""/4096, 0x1000}, 0x0) sendmsg(r0, &(0x7f0000004fc8)={0x0, 0x0, &(0x7f0000003000)=[{&(0x7f000000efdc)="24000000d20091039788fd946f0300000000000000000000031d8568791ba3a2d188737e", 0x24}], 0x1}, 0x0) 2018/03/07 14:40:23 executing program 5: r0 = inotify_init1(0x0) r1 = getpgid(0x0) fcntl$setown(r0, 0x8, r1) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0xde, 0x480000) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0106434, &(0x7f0000000080)={0x3, 0x0, 0x10001, 0x100000001}) ioctl$DRM_IOCTL_SG_FREE(r2, 0x40086439, &(0x7f00000000c0)={0x5, r3}) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) setpgid(r4, 0x0) 2018/03/07 14:40:23 executing program 1: r0 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_ifreq(r0, 0x8970, &(0x7f0000000080)={'lo\x00', @ifru_settings={0x0, 0x0, @raw_hdlc=&(0x7f0000000040)}}) r1 = memfd_create(&(0x7f0000000000)='lo\x00', 0x3) ioctl$sock_inet_SIOCSIFDSTADDR(r1, 0x8918, &(0x7f0000000140)={'rose0\x00', {0x2, 0x4e20, @multicast1=0xe0000001}}) getsockname$inet6(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0, @dev}, &(0x7f0000000100)=0x1c) [ 49.494699] 0 pages HighMem/MovableOnly [ 49.499084] 320510 pages reserved [ 49.516368] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 49.536157] CPU: 1 PID: 7972 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 2018/03/07 14:40:23 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000200)={@dev={0xfe, 0x80}}, 0x14) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000100)=0x15, 0x4) pread64(r0, &(0x7f0000000340)=""/214, 0xd6, 0x0) pread64(r0, &(0x7f0000000000)=""/196, 0x5e, 0x0) 2018/03/07 14:40:23 executing program 5: r0 = syz_open_dev$loop(&(0x7f00000001c0)='/dev/loop#\x00', 0x0, 0x4c101) ioctl(r0, 0x400000000000127e, &(0x7f00000000c0)) 2018/03/07 14:40:23 executing program 6: mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) capget(&(0x7f0000000ffb)={0x19980330}, &(0x7f0000000000)) r0 = syz_open_dev$sg(&(0x7f0000000380)='/dev/sg#\x00', 0x9, 0x80) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000003c0)={{{@in=@remote, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@dev}}, &(0x7f00000004c0)=0xe8) setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000500)={{{@in=@rand_addr=0x9, @in=@empty, 0x4e21, 0x7, 0x4e22, 0x1, 0xa, 0xa0, 0x20, 0x32, 0x0, r1}, {0x200, 0x2, 0x1ff, 0x80000001, 0x3, 0x7, 0x1, 0x96}, {0xffff, 0x10001, 0x100000000, 0x7}, 0x8, 0x6e6bb4, 0x2, 0x1, 0x1, 0x2}, {{@in6=@loopback={0x0, 0x1}, 0x4d5, 0x7f}, 0xa, @in=@multicast1=0xe0000001, 0x6, 0x7, 0x3, 0x937, 0xffffffff, 0x1, 0x8}}, 0xe8) [ 49.543678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.549069] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=210 sclass=netlink_route_socket pig=7989 comm=syz-executor0 [ 49.561718] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=210 sclass=netlink_route_socket pig=7989 comm=syz-executor0 [ 49.577070] ffff8801d4f0f8a8 ffffffff81d956f9 1ffff1003a9e1f18 ffff8801cca9b000 [ 49.585112] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d4f0f9b8 2018/03/07 14:40:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000000)=0x0) fstat(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0}) r3 = getegid() setsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000000c0)={r1, r2, r3}, 0xc) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) socket$netlink(0x10, 0x3, 0x1f) r4 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000100)='/dev/keychord\x00', 0x8000, 0x0) ioctl$sock_inet6_udp_SIOCINQ(r4, 0x541b, &(0x7f0000000140)) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:23 executing program 6: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) setsockopt$inet_udp_encap(r0, 0x11, 0x64, &(0x7f0000000000), 0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:23 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x4, 0x800000000) readahead(r0, 0x0, 0x0) [ 49.593141] ffffffff81451c92 024000c2d4f0f8f8 0000000041b58ab3 ffffffff84195b35 [ 49.601170] Call Trace: [ 49.603756] [] dump_stack+0xc1/0x128 [ 49.609115] [] warn_alloc+0x212/0x240 [ 49.614557] [] ? zone_watermark_ok_safe+0x280/0x280 [ 49.621214] [] ? avc_has_perm+0xb0/0x4f0 [ 49.626921] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 49.633404] [] __vmalloc_node_range+0x3f5/0x5f0 [ 49.639712] [] ? check_preemption_disabled+0x3b/0x200 [ 49.646545] [] ? task_has_security+0x130/0x270 [ 49.652760] [] vmalloc+0x5b/0x70 [ 49.657752] [] ? sel_write_load+0x130/0xfd0 [ 49.663698] [] sel_write_load+0x130/0xfd0 [ 49.669466] [] ? sel_read_bool+0x250/0x250 [ 49.675325] [] ? sel_read_bool+0x250/0x250 [ 49.681180] [] __vfs_write+0x103/0x680 [ 49.686689] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 49.693155] [] ? __might_sleep+0x95/0x1a0 [ 49.698925] [] ? __lock_is_held+0xa1/0xf0 [ 49.704698] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 49.711518] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 49.718071] [] ? __sb_start_write+0x14a/0x310 [ 49.724186] [] vfs_write+0x189/0x530 [ 49.729519] [] SyS_pwrite64+0x13f/0x170 [ 49.735110] [] ? SyS_pread64+0x170/0x170 [ 49.740791] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 49.746905] [] sys32_pwrite+0x39/0x50 [ 49.752349] [] ? sys32_pread+0x50/0x50 [ 49.757859] [] do_fast_syscall_32+0x2f5/0x870 [ 49.763971] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.770608] [] entry_SYSENTER_compat+0x90/0xa2 [ 49.778292] Mem-Info: [ 49.780714] active_anon:53216 inactive_anon:42 isolated_anon:0 [ 49.780714] active_file:3477 inactive_file:8551 isolated_file:0 [ 49.780714] unevictable:0 dirty:6284 writeback:0 unstable:0 [ 49.780714] slab_reclaimable:6598 slab_unreclaimable:59376 [ 49.780714] mapped:23853 shmem:71 pagetables:624 bounce:0 [ 49.780714] free:1475990 free_pcp:418 free_cma:0 [ 49.814453] Node 0 active_anon:214956kB inactive_anon:168kB active_file:13908kB inactive_file:34204kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95412kB dirty:25136kB writeback:0kB shmem:284kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 71680kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 49.843981] 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 [ 49.873313] lowmem_reserve[]: 0 2908 6410 6410 [ 49.878495] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 49.909563] lowmem_reserve[]: 0 0 3501 3501 [ 49.914467] Normal free:2908724kB min:36824kB low:46028kB high:55232kB active_anon:212700kB inactive_anon:176kB active_file:13908kB inactive_file:34208kB unevictable:0kB writepending:25144kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26420kB slab_unreclaimable:237280kB kernel_stack:5440kB pagetables:2412kB bounce:0kB free_pcp:984kB local_pcp:304kB free_cma:0kB [ 49.948451] lowmem_reserve[]: 0 0 0 0 [ 49.952915] 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 [ 49.969084] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB 2018/03/07 14:40:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) getsockopt$inet_sctp_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000000000)=@int, &(0x7f0000000040)=0x4) r1 = getuid() r2 = getegid() chown(&(0x7f0000000100)='./file0\x00', r1, r2) ioctl$sock_inet_SIOCSIFADDR(r0, 0x8916, &(0x7f0000000080)={'gre0\x00', {0x2, 0x4e20, @broadcast=0xffffffff}}) 2018/03/07 14:40:23 executing program 0: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = memfd_create(&(0x7f0000000040)='\x00', 0x0) r1 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control\x00', 0x0, 0x0) r2 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/checkreqprot\x00', 0x0, 0x0) ioctl$LOOP_CTL_ADD(r1, 0x4c81, 0x0) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000000)) ioctl$LOOP_CTL_REMOVE(r1, 0x4c80, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f000000a580)=[{{&(0x7f00000011c0)=@ax25, 0x80, &(0x7f0000001580)=[{&(0x7f0000002940)=""/4096, 0x1000}], 0x1, &(0x7f0000001600)=""/70, 0x46}}], 0x1, 0x0, &(0x7f000000a780)={0x77359400}) pwritev(r0, &(0x7f0000001540)=[], 0x1a2, 0x0) 2018/03/07 14:40:23 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) getsockopt$inet6_dccp_int(r0, 0x21, 0x5, &(0x7f0000000040), &(0x7f0000000080)=0x4) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:23 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000040)=ANY=[@ANYBLOB="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"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:23 executing program 5: r0 = openat(0xffffffffffffffff, &(0x7f0000000840)='./file0\x00', 0x4000, 0x10e) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000880)) getpid() r1 = openat$rtc(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc\x00', 0x18000, 0x0) r2 = socket(0x200000000010, 0x2, 0x0) write(r2, &(0x7f0000000080)="2400000024007f000000128d1bd1dd830b00000000000000000401000000000000000000", 0x4) getpeername$netlink(r2, &(0x7f0000000000), &(0x7f0000000040)=0xc) ioctl$TIOCGSID(r1, 0x5429, &(0x7f0000000500)=0x0) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000540)={{{@in6=@local, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in6=@empty}}, &(0x7f0000000640)=0xe8) getgroups(0x9, &(0x7f0000000680)=[0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff]) fcntl$getownex(r2, 0x10, &(0x7f00000006c0)={0x0, 0x0}) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000700)={{{@in6=@mcast1, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@rand_addr}, 0x0, @in=@local}}, &(0x7f0000000800)=0xe8) stat(&(0x7f0000000cc0)='./file1\x00', &(0x7f0000000c40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r9 = gettid() getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000900)={{{@in=@empty, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@dev}, 0x0, @in=@remote}}, &(0x7f0000000a00)=0xe8) stat(&(0x7f0000000a40)='./file0\x00', &(0x7f0000000a80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) bind$ax25(r0, &(0x7f00000008c0)={0x3, {"77aa0a936a4179"}, 0x2a}, 0x10) sendmsg$unix(r1, &(0x7f0000000b80)={&(0x7f0000000100)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f00000004c0)=[{&(0x7f0000000180)="6c3507159d7f66f81cb86e4e6cecb39156b84276e9f9e29610f083d2851ffaf45303b0f6498decc189b542d50ad2ec802b2458de2305af159535bf0b9a792afed4273f34ca32b5dea51421ae08679e0f6b28b8b045f159356d05f80d558bfb22c127b0104f1bde9c392f133d707cf03641a626b71fe5c77668e5d9c21bd29dbc66c4430f771d4b38e87247d76d3571adbd54a90f23092cba197574d6ca112d5fb0e073625fc1ee516ffcd1", 0xab}, {&(0x7f0000000240)="11ca0f7d660044679a048d538536d7d507b500e7954cb890efe3738983356a1684faa694966aed4ac84afcb855eba93489e857b02f9d8c8c8808f66800c24aba6e1fd844517b7e30ecd93488e1efe15a2bf4d7c16ad118a83cb4c1c97eae27e935a1ae723db2ea543d6743af2911270d8eec7413ab9e5ff9cf9fd5ffe10fd14b9d78f752a3be43f2779cb691d4cb0c778c39aea8f14e15a0bb759bbb0dd2f1880b94313f8af45828feeefbda9713d5ef38f8aee7912dfeb0b577e84ebf87f59ed60c292fd087b1d8234d89441da96d4d0974de99", 0xd4}, {&(0x7f0000000340)="8ce456c18ffaabe0307f65ff9fbb1d025c667c85a36b", 0x16}, {&(0x7f0000000380)="69e763af1b46159515967723a94c7ce07d9746e30721c803ea2520f5f12739f214ccde10075c1e7046453dd0e1a6e9a82c348cad9aba4623644c5c431bb334d8ea54ae108aadd7e3d77f54f8acf06618b2fb6b74f21b02aa1fb626580ec2aa32ac5c4202f3218289df5ffd3d98e688adc1b46060e40093a984b7d292af28fcbf4f66474b29bb87650482d58d49823888b3164339726e558f4d6bf9de86a2efe48e00203d4d7cc6d67972a6946c987bcab90bd9", 0xb3}, {&(0x7f0000000440)="c4d0d013655daa90f80816356ec5b7006647a091d88ef60ab348e680c1a3c94f662a0816f7934c87d9d2910c1599cb602ddfc7d13ec4e5d63f86f2b43f398a9f03f19e3992936b57c4bab67baaa963d3c6fa51cd8e1b5b2bb78d0abcd185731b44ffc6db07efad91", 0x68}], 0x5, &(0x7f0000000b00)=[@cred={0x18, 0x1, 0x2, r3, r4, r5}, @cred={0x18, 0x1, 0x2, r6, r7, r8}, @cred={0x18, 0x1, 0x2, r9, r10, r11}], 0x48}, 0x80) 2018/03/07 14:40:23 executing program 1: r0 = syz_open_dev$sndseq(&(0x7f0000ae1000)='/dev/snd/seq\x00', 0x0, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x0, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r1, 0x29, 0x20, &(0x7f0000000040)={@mcast1={0xff, 0x1, [], 0x1}, 0x0, 0x2, 0xff, 0x5, 0x8, 0x20, 0x100000000}, 0x20) readv(r0, &(0x7f0000000000)=[], 0x2000000000000288) syz_open_dev$sndseq(&(0x7f00000000c0)='/dev/snd/seq\x00', 0x0, 0x882) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a45320, &(0x7f0000dbef58)={{0x80}, 'port1\x00', 0xbfffffffff7fffff, 0x2}) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x0, 0x0) 2018/03/07 14:40:23 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:23 executing program 6: socket(0xb, 0xa, 0xa82) r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x6, 0x40000) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000040)) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/checkreqprot\x00', 0x40080, 0x0) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000140)=0x80, 0x4) getsockopt$inet6_tcp_int(r0, 0x6, 0x1f, &(0x7f0000000180), &(0x7f00000001c0)=0x4) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rtc\x00', 0x202000, 0x0) getsockopt$netrom_NETROM_T2(r2, 0x103, 0x2, &(0x7f0000000240)=0x7ff, &(0x7f0000000280)=0x4) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0xc0505350, &(0x7f00000002c0)={{0x5, 0xbb4}, {0x2, 0xfffffffffffffffe}, 0x2, 0x0, 0xfff}) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000340)={0x0, 0x64e06e50, 0x9, 0x69, 0x5, 0x76, 0x7fff, 0x10, {0x0, @in={{0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x12}}}, 0x1, 0x9, 0x100000001, 0x0, 0x43c00975}}, &(0x7f0000000400)=0xb0) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000000440)=@sack_info={r3, 0x8, 0x81}, 0xc) r4 = socket(0x10, 0x0, 0x80) r5 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000480)='/dev/vga_arbiter\x00', 0x1, 0x0) r6 = open$dir(&(0x7f00000004c0)='./file0\x00', 0x2500, 0x9c) fcntl$getownex(r4, 0x10, &(0x7f0000000500)={0x0, 0x0}) fcntl$setown(r6, 0x8, r7) personality(0x100000) fcntl$setflags(r1, 0x2, 0x1) ioctl$EVIOCSABS2F(r1, 0x401845ef, &(0x7f0000000540)={0x3, 0x1000, 0x1, 0x2, 0x1ff, 0xc}) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r2, 0x84, 0x1d, &(0x7f0000000580)={0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f00000005c0)=0x24) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r1, 0x84, 0x65, &(0x7f0000000600)=[@in6={0xa, 0x4e23, 0xd8, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x1}], 0x1c) syz_open_dev$sndseq(&(0x7f0000000640)='/dev/snd/seq\x00', 0x0, 0x8000) ioctl$sock_inet_SIOCSIFBRDADDR(r4, 0x891a, &(0x7f0000000680)={'nr0\x00', {0x2, 0x4e20, @multicast2=0xe0000002}}) sendto$inet6(r4, &(0x7f00000006c0)="ecf7e0eb03b7d0109875fdadb0207a7ccfc27954bc1a37b79f435f9cf4017a0e7c202b37fcaf48bc3c16f687d486a3107f8b66632020e9ead2fdfe3877bde251b66542173911a58a61e05ea2e2", 0x4d, 0x40000, &(0x7f0000000740)={0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x8}, 0x1c) fdatasync(r1) socket(0xb, 0xf, 0x7) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r5, 0x84, 0x74, &(0x7f0000000780)=""/202, &(0x7f0000000880)=0xca) ptrace$peekuser(0x3, r7, 0x400) fsetxattr(r5, &(0x7f00000008c0)=@random={'os2.', 'nr0\x00'}, &(0x7f0000000900)='*!md5sum\x00', 0x9, 0x3) connect$ax25(r2, &(0x7f0000000940)={0x3, {"1c088ece4a9238"}, 0x2}, 0x10) 2018/03/07 14:40:23 executing program 4: r0 = memfd_create(&(0x7f0000041000)="01800d05", 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000041ff3)='/dev/snd/seq\x00', 0x0, 0x1) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f0000041f74)={0x0, 0x0, 0x0, 'queue1\x00'}) write$sndseq(r0, &(0x7f0000000e50)=[{0x9, 0x0, 0x0, 0x0, @tick=0x5da36b38, {}, {}, @result}], 0x30) ioctl$SNDRV_SEQ_IOCTL_REMOVE_EVENTS(r1, 0x4040534e, &(0x7f000003a000)={0x1a, @tick=0xffffffff}) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) [ 49.986682] Normal: 289*4kB (UME) 206*8kB (UME) 189*16kB (UM) 49*32kB (UME) 146*64kB (UM) 23*128kB (UME) 9*256kB (UME) 12*512kB (ME) 7*1024kB (UME) 5*2048kB (UM) 699*4096kB (M) = 2908644kB [ 50.006746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.015597] 12105 total pagecache pages [ 50.019708] 0 pages in swap cache [ 50.023306] Swap cache stats: add 0, delete 0, find 0/0 [ 50.028659] Free swap = 0kB [ 50.031674] Total swap = 0kB [ 50.034662] 1965969 pages RAM [ 50.037769] 0 pages HighMem/MovableOnly [ 50.041744] 320510 pages reserved 2018/03/07 14:40:23 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043008d4e0000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa394ddfd01097503b97db2fb2f50ddd2dd672990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e085a53c6a497ebf79fa4ff95908f3b7dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb00000000080000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) mq_open(&(0x7f0000000000)='\x00', 0x83, 0x100, &(0x7f0000000040)={0x9d, 0x832, 0x1, 0xe332, 0x400, 0x400, 0xfffffffffffffffd, 0x6}) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000140)={0x0, 0xc066}, 0x8) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r1, 0x5452, &(0x7f0000000240)=0x1ff) ioctl$DRM_IOCTL_MODESET_CTL(r1, 0x40086408, &(0x7f0000000280)={0x3ba4, 0x10000}) r3 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f00000001c0)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$FUSE_DEV_IOC_CLONE(r2, 0x8004e500, &(0x7f0000000200)=r3) [ 50.059578] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 50.073308] CPU: 1 PID: 8030 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 50.080850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.090194] ffff8801cbab78a8 ffffffff81d956f9 1ffff10039756f18 ffff8801cca11800 [ 50.098230] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cbab79b8 2018/03/07 14:40:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='ifb0\x00', 0xd) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:23 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x4e24, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0xfffffffffffffffe}, 0x30e) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddf2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:23 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) mq_open(&(0x7f0000000000)='\x00', 0x83, 0x100, &(0x7f0000000040)={0x9d, 0x832, 0x1, 0xe332, 0x400, 0x400, 0xfffffffffffffffd, 0x6}) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:23 executing program 4: mount(&(0x7f0000000140)='.', &(0x7f0000000200)='.', &(0x7f00000001c0)='gfs2\x00', 0xfffffffffffffffc, &(0x7f00000000c0)="edca18da7f50bb129a9d1c7f4102a94d91ffb30cf2c3c76158f078777037ee194c3905b91cd397c04d9a4b31938747b994a97f68c82e51820000001f802b6d96796b45000838b5333595f7f117b39ae5d92e7b9d76") r0 = socket$l2tp(0x18, 0x1, 0x1) get_thread_area(&(0x7f0000000080)={0xffffffffffff0000, 0x20000000, 0x1000, 0xa74, 0x3, 0x40, 0x3ff, 0x1, 0x4, 0x28}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000040)={0x2, &(0x7f0000000000)=[{0x1f, 0xe4, 0x20, 0x1000}, {0x3, 0x1, 0x5, 0x3}]}, 0x8) 2018/03/07 14:40:23 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) dup3(r0, r0, 0x80000) ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, &(0x7f0000002400)=""/4096) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 50.106268] ffffffff81451c92 024000c2cbab78f8 0000000041b58ab3 ffffffff84195b35 [ 50.114300] Call Trace: [ 50.116876] [] dump_stack+0xc1/0x128 [ 50.122236] [] warn_alloc+0x212/0x240 [ 50.127682] [] ? zone_watermark_ok_safe+0x280/0x280 [ 50.134346] [] ? avc_has_perm+0xb0/0x4f0 [ 50.140050] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 50.146533] [] __vmalloc_node_range+0x3f5/0x5f0 [ 50.152848] [] ? check_preemption_disabled+0x3b/0x200 [ 50.159681] [] ? task_has_security+0x130/0x270 [ 50.165903] [] vmalloc+0x5b/0x70 [ 50.170914] [] ? sel_write_load+0x130/0xfd0 [ 50.176880] [] sel_write_load+0x130/0xfd0 [ 50.182664] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 50.189562] [] ? futex_wake+0x146/0x440 [ 50.195157] [] ? sel_read_bool+0x250/0x250 [ 50.201013] [] ? sel_read_bool+0x250/0x250 [ 50.206874] [] __vfs_write+0x103/0x680 [ 50.212387] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 50.218853] [] ? __might_sleep+0x95/0x1a0 [ 50.224622] [] ? __lock_is_held+0xa1/0xf0 [ 50.230389] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 50.237196] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 50.243752] [] ? __sb_start_write+0x14a/0x310 [ 50.249865] [] vfs_write+0x189/0x530 [ 50.255197] [] SyS_pwrite64+0x13f/0x170 [ 50.260789] [] ? SyS_pread64+0x170/0x170 [ 50.266466] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 50.272577] [] sys32_pwrite+0x39/0x50 [ 50.277994] [] ? sys32_pread+0x50/0x50 [ 50.283501] [] do_fast_syscall_32+0x2f5/0x870 [ 50.289612] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.296244] [] entry_SYSENTER_compat+0x90/0xa2 [ 50.307364] Mem-Info: [ 50.309832] active_anon:53206 inactive_anon:45 isolated_anon:0 [ 50.309832] active_file:3480 inactive_file:8554 isolated_file:0 [ 50.309832] unevictable:0 dirty:272 writeback:0 unstable:0 [ 50.309832] slab_reclaimable:6611 slab_unreclaimable:59234 [ 50.309832] mapped:23808 shmem:73 pagetables:644 bounce:0 [ 50.309832] free:1476097 free_pcp:423 free_cma:0 [ 50.343195] Node 0 active_anon:212872kB inactive_anon:184kB active_file:13920kB inactive_file:34252kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95256kB dirty:1120kB writeback:0kB shmem:212kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 50.372693] 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 [ 50.402266] lowmem_reserve[]: 0 2908 6410 6410 [ 50.407881] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 50.439345] lowmem_reserve[]: 0 0 3501 3501 [ 50.444234] Normal free:2909448kB min:36824kB low:46028kB high:55232kB active_anon:212772kB inactive_anon:184kB active_file:13920kB inactive_file:34252kB unevictable:0kB writepending:1124kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26460kB slab_unreclaimable:236604kB kernel_stack:5376kB pagetables:2480kB bounce:0kB free_pcp:920kB local_pcp:664kB free_cma:0kB [ 50.478083] lowmem_reserve[]: 0 0 0 0 [ 50.482445] 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 [ 50.497840] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 50.515104] Normal: 332*4kB (UME) 199*8kB (UME) 186*16kB (UME) 66*32kB (UM) 149*64kB (UM) 23*128kB (UME) 9*256kB (UME) 12*512kB (ME) 7*1024kB (UME) 5*2048kB (UM) 699*4096kB (M) = 2909448kB [ 50.534811] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.543813] 12097 total pagecache pages [ 50.547942] 0 pages in swap cache [ 50.551375] Swap cache stats: add 0, delete 0, find 0/0 [ 50.556702] Free swap = 0kB 2018/03/07 14:40:24 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x800) ioctl$SNDRV_SEQ_IOCTL_GET_NAMED_QUEUE(r1, 0xc08c5336, &(0x7f0000000080)={0xf74, 0x3, 0x3f, 'queue1\x00', 0x9}) 2018/03/07 14:40:24 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000100)="4408050313", 0x5) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x428000, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r1, 0xc0a45352, &(0x7f0000000040)={{0x6, 0x2f}, 'port1\x00', 0x2c, 0x20, 0xfead, 0x0, 0x0, 0x2, 0x5, 0x0, 0x6, 0x5}) 2018/03/07 14:40:24 executing program 1: getpgrp(0xffffffffffffffff) r0 = getpgrp(0xffffffffffffffff) r1 = syz_open_procfs(r0, &(0x7f00000002c0)="74696d65727300839aa69739f39a273612bdcda1a93eed550b29f0a3d5038224") lseek(r1, 0x0, 0x3) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x408002, 0x0) openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x100, 0x0) fcntl$setpipe(r1, 0x407, 0x2) 2018/03/07 14:40:24 executing program 5: r0 = socket$inet(0x2, 0x1, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$sock_int(r1, 0x1, 0xf, &(0x7f0000017000)=0xfffff7fffffffffd, 0x4) setsockopt$sock_int(r0, 0x1, 0xf, &(0x7f0000356ffc)=0xffffffffffffff40, 0x4) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e20, @rand_addr=0x9}, 0x10) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x33, &(0x7f00000a2000)={0x1, &(0x7f0000f07000)=[{0x6}]}, 0x10) listen(r0, 0x0) 2018/03/07 14:40:24 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={0x0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:24 executing program 0: socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_open_procfs(0x0, &(0x7f0000000000)='cpuset\x00') preadv(r1, &(0x7f00005b1ff8)=[{&(0x7f0000723f20)=""/127, 0x7f}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000080)={0x0, 0x34}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000100)={r2, @in={{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x14}}}}, &(0x7f00000001c0)=0x84) ioctl$TIOCNXCL(r0, 0x540d) 2018/03/07 14:40:24 executing program 4: prctl$void(0x15) r0 = socket$inet_tcp(0x2, 0x1, 0x0) fallocate(r0, 0x1, 0xdce, 0x9bf7) r1 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x28400) connect$ipx(r1, &(0x7f0000000040)={0x4, 0x0, 0x5, "e1d6ec3b5444", 0x3}, 0x10) 2018/03/07 14:40:24 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(r0, 0x84, 0x1e, &(0x7f0000000000), &(0x7f0000000040)=0x4) 2018/03/07 14:40:24 executing program 0: r0 = memfd_create(&(0x7f0000000fe0)=':em0!posix_acl_access/vboxnet0@\x00', 0x0) mmap(&(0x7f0000000000/0xa000)=nil, 0xa000, 0x0, 0x10110, r0, 0x0) r1 = add_key(&(0x7f0000000000)='cifs.spnego\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000080)="606291daeb71dcbb15ce983a67c40b0a4e85c6be506da04f15403b2355ede607500085dc026468c86cb7fef51177a2a8fff0826b3e81df8501994c50b3a7b3bfbe6be333bc06c6c4ea0f23b4434663eac16e3b7ed77a4c4e774e11b76867bc1b9799a1919d0496f2eb9dd45112e011391bc5aa3a4493b09d4ab7ed753ee63f9aedd0cbafc90e917d31c3d8168d2a928917c15624d597fa36f4e45ca1ade369bee1230dc5c63f56f91172dd5cccc8dae9e47dd4a653a2eae98b7099", 0xbb, 0xfffffffffffffffc) keyctl$restrict_keyring(0x1d, r1, &(0x7f0000000140)='cifs.idmap\x00', &(0x7f0000000180)='{@md5sumwlan0+vmnet1]\x00') mprotect(&(0x7f0000009000/0x1000)=nil, 0x1000, 0x4) mprotect(&(0x7f0000003000/0x7000)=nil, 0x7000, 0x0) 2018/03/07 14:40:24 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f0000004000)={0x0, 0x0, &(0x7f0000004000)={&(0x7f0000000040)=ANY=[@ANYBLOB="0204000009000000ffffffffdfffffff07001900000000000a004e2000000000ff0100000000000000000000000000010000000002004e20e00000010000000000000000000000004f60b570d9aaf1cd1b5a5514e36e31ec58d61aafa5aad8d758ce54dda32248020f5c7f6bb4a45ac2636844e8934f6ec9d4a79c935dbed28505"], 0x48}, 0x2}, 0x0) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) ioctl$TUNSETPERSIST(r1, 0x400454cb, 0x1) [ 50.559706] Total swap = 0kB [ 50.562704] 1965969 pages RAM [ 50.565781] 0 pages HighMem/MovableOnly [ 50.569746] 320510 pages reserved [ 50.578840] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 50.595941] CPU: 1 PID: 8082 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 2018/03/07 14:40:24 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x18, &(0x7f0000d01000)=0x7ff, 0x4) setsockopt$inet6_buf(r0, 0x29, 0x3e, &(0x7f00002cef88)="5780d01c", 0x4) sendto$inet6(r0, &(0x7f0000adb000)="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", 0x7d0, 0x0, &(0x7f0000809000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f0000000000)="4c33f93222c5876e6283f4c21d483d052d58ae3e3e8bd2118b4daebb32429d709bd0f0b47de199370afdca2469da1fcbc7f543d660cdeaf9bc13c2fb0a9600120c9a2d14cb8b1d19034bcf5b637242493bb1099adc4059a35219139558a6c80628730fd5b99564dd5122ba3f8b99715d166a2f55737b0088d39cbafa7851fd0df4b435689c522647cd93ba9d1ca38cbb9587a44e9193eb097a39563cb95abb50c1d537cc7f49a451f95460985d14287711b05f02c799e47e5ed42a35e457d44f96d13414071dbcbdc2c19f2c957f598fb67304c14d8f0696829abb061244a2ca1f36f60ea472979cab2e23ae170e92757bbcba953c6ef73b99443211ce072a55691a3551f63c32befc138f736e3f85a5d9d5560dca552979eed0313781fe23441d54276c060f5cbd1c7b8f9b535765458a58d60e9b2370f7a1047300d910b047cec5aac14c4f720b90f11f8823d7b0dab0b899c991c2b937f9862d8e93e5801392e2814b563da3eb7e3d8af0516e7461418f371bdf071a2a9ca2905b8ea1d9ad806c58165cc37b8565d60023c3e409fc03052cd7119c43a9b20c1499231e3cd80b492e570e50fecf3c373f1c00a469df05041c9bb741b8dfcfd0cfade7d5633a2f7a171b1e5e338610fcd9c127d0f5a9a0a8b2464d23e267f707544fc9e0374604f559445c3b5fd1464ca94d8343087be0ad618897bb33eec180c51de40bf2ee1728a024531e9204015f83880adf7a07b236e20f3bdbb906644fb5795df9b01e9d211954e0bb8065eefb4638ed96511ace23ae8d63d2a1229b9ac0e49c54222755de7b3db66a36130206f58b67aef266bb895b52245d1c0478e1830bef3dfefd0ea9ebbb8f19311cbaee494bd7d1eaad6b4120bfd6284e2e392cf9bd33eedf10313244b5fc783f242866c6f936ad6da0a2c343b9e346bc379827d20bbac4f715963119f8622eb647f48267780c6667788914e40b9868f451e850cc98c3c9ab925215d9d5301b1f09028a0f5b4658327aa45fcf8b971ee70722cbf7511325dee95ed6114f99746ab0fab1a471f3569bcccda944ebd84744da0b9c8863a73f94c951187ae1d13b0c2d42211923320d83049e762b67be389df1d92b9467e0df2e11d9e64aea2cf8987cc8047b4bf8b6886791a2e367e3e7510200aa01587d90607050c4315200fb6f4c50bf48d8f22eca9de40f73b8acaea6cf573517c39291045c80f0db528e571c18170754f24b75e3d8d264b7b611b8921fecec25cb4afa15080192ae27cf33e66ba9c8c84d1498336a680841e0d96d70e0299b67a00ae6f53b664c85900955524d29b8b0f5e36b9ea7ce2ffbabba1c65b0cd2210fb5e8c79fa5b0b603a483b54728f72401e07382aec228a30b9dd4b46bbab92e59efd2006b3e6fd752c4e12a44cde23eeba361c21e2ef8aad22ebdc1d1dbc0f4bc88f302ea716fc01523bd61780114ab98907111e9ace6db33122891bdcfd12cf00f89547b37fb6924ac6f1beadeeb2ecbc38d689cfba8b2d980d0f5f90831d54452b2ffc8d5cebe63fa243b9974eaaf7849c850c401eb14cc80d34e930cc16dd2ce3e51de1c68434c7d63fb3a72fdabe22a30c99b69263ff172d485e8167cd80b2ecfb9381faecb89771911e811a322412619b14e32bb01f12fa705582056aac64a136bf8848e446f74b0f8073e71e26ce4efd4cb1c5c19eaaee255aca2eadc3a033e268ac51b9ea8ac4eb38209e166ee7cc493ae43c7cca366397698d9f892f730de6485c1f66402d321c6f6e22728c1b4c6ac0a8762ab658730a4a3d74b02fa97e2d32b81309831050a12312a02387572ff7a8b7bcfa0899bb2f28ffd1dee37d53b2a371afa843e44c42931e660d6e16592b0fec124f412969aef9e178e504ffe216c0e7a5cbdbc60d78bf5a42288e479bc7fcca37a0d6be87e71dc434d70d9fc3304e5d5998931e041a612c52e6390f3a67e9bb58f1ebf2ff73318cd3c4429e02d21e739cdc4d2c0fc6c42685e318796875632523de539c7ec3941f2b1c8ba1a2c10b65a75d02200d69bca6414e429f936cd4a398bb9df3a6f1dfd7a8ffe2b9605259cda1a0132d010a3d72d2839f0e1517bb3b11086ffc43560b250cc3e2b8e2e2513c76eaa39a6a4902135667d6430c4050b16460461a9aa2fd99098912960241a627f4fcbabfaec55873f525a612141cd500e70fb43d2db651f035b11ee5e4a9f104c21c3450d40fa2b77212fdeab57e9fc5fcdf61202f92fd3fb04cac6b365fdef6e9887b8f3c0dfad70467a03a1c04f8af7253eec6a22b967b698df11e77c96e12c639f312959e682f0fee6114b1e2ca1dcb0cc9b6a820f65f3f22e632a4811a6972eb3bb2e4be21203fc0817a758ba2d8ffca755b3b6e574743d92944a96403c0100a1df5e0385be3c922a12727ae022a17f4261054f79a89bc1e7b2684b14d9a27cd82733259990eb2662285c6f908eb30a1b741755f8ba54053358c0aa998b527c9a0e18d61d7265731d64353f7c57dec96fd9d0abfcc087d02cc777accc99895ab5892291b15e5b8305860934ff26be893a6a9e409908621b9c5daf47dc926bad299782966d6f007a399eb2e1f8d2d808d5398e83e9d4140a1860ad1fddabe2c3c0c933d9e001fb13d67f8d5f7075521a0e0ee9a864a6f8834101f684fbc0cb8f5643f68c63e379ef0e5201520812b0dced2af42be9d390ef26bb5c755547ac50ef016f83b3e5d6dad38405db46d2db8b315a460de9f990643c06390357347a3da9083d4fac8996fd221c50ba62f3a61e7c9a4ddfefc90bbd7c26558760c5bc2aa122b2bb623ec6ff62db58d6e6ca68c13bf82e764e66dd3f4052458e46da5c87ecdc6083a85118958cd9d016dcfbc947b661fa522810242e2d379045f5d6ddaefb60b07c7650d56bfa25fe34f6f6254329efe8309f2bde59beab8b3ec1c940bfcc1a7b3227b630ac1c8dbf1b0b8da2e2acedcce348be3b4ea5c7bcd805b04182327bde2eb51f3a816e5924b22af3f1e7356a7353b380aa9c3d36a397b1efc51db5f8fb4f2fa40942e46253c3d4fa41b6d3392f5b9b774e8bdd6c9c906244447421fa7bee4760f4b0bdd2133661b5059262e1fa8f57aeea919186e9f3caa57b5334351b25bb5a400a67edd6789e4e59b92a033ae6a76312660f1998f7ab9f57455f95e43452e0b7f1deb73472393d7688c60bb4b2115620e5628d236a7d7df92c8c5a4400884252d546e7ab0fabc6c6f3dd909355f82c9eab29d7702042ee0c6b171475701054b25e40afb270789746101ff0b02a150222cd1e5271031e9972fd7a6d0581d18a5240721b0b2bbd84d35c33e37073fc8bbb6404dd2858a66e0a4cf0b5c3ea65be3158a2daf7393fd479b15c1327daef3cef6748e605e14ba44ea770580c24b20f13b012466b92ce70790f884449845791bfa5a093ba205630977b4e55cf8ccaabf1781a804e95734a5d19bda07e65b25b6b1d115af1f0e24478d66ba6cbea9152c2b1011ee65a791cbf79622ddd8fdca3ed811c5e62c24959dda00d109f9eda115220c8107ba10a5c7c447043b1de17e3cfeebd2b2c99b9d58e559a358f6897f821047968686a4d48f93a76d2682dfa28a69eeb7ffaf2342604600c0ae04fef8f29b0c77a81d313f8fc790564e455391c022e849627133624c1e742c2bc1258ec0195a8672967dd876abef598e353e8aeb99292c79941f61a0cb038946718d50511484de4f405446fa5b0beeb17fbfa99dc6e903320ed000d8365120c9f9e3bc498d98d472afce770f778876898ab509058c25bad753d6c0f20452a0386714a883dcc235faeb5bdf92334691b49184b05ea973fd7684445c4cc9f959bcf2374ecdcd976361d1ce4e43bae40df0a7f7b4bef0ff7b4a6a84a4e3a75625d6d0d23e5e6d1f3601247bc8b00a0e92c7c2b0618ad2f8d54b0ede54ed09e3eec21f93f1c948dc0c0518e4ecf67e14794b4e7178289b28b536c231fb8ac3d6f81f813884a331e7cb1f889408ddf2e7336f197a301f538ca50623d727b3e4c1ef9993735f11de0e5c9185040bcbd97f2f774dd6889d17422cbd1a6e5d6a3e71939997b963b83f07a4dc73518cd0dea50cbfa6f4563b04b1fbe0546e340daccc5245b2840ace82d0e42b39984562d9365c226b4a06e91b72c0e5a49966a6e61d59cea6a25a2d0dadd56d932b23f6b54289a7772fd05fc32a94bb85523b84613fa2cf5aec68c5e8d6237109828cf7618b2bd66be60544425cf8c2768c1338bac065d03bc8e8efc014663477518b35db2c9bbe1c49ee38b8765bd90787854065f06b8a946d6f780b7bfdbea242842688e3ebd51e454aa29b5e8b2c143d2b795d388037f5649ea439ac171bde54fdf220e5b4d01c4b765cb4f6cef7431d32e3ddc4f02d5cba8f522bd4935f17c89eebfae8fd0c7b11b05efcb0c0252d235cf0247cd82601cc5898e4aec8b362effdf012ab9716793944cca6f60754ffb5b1d3d19f5310bd9fe6f1477c5a181293fefc9d021a979944452db7cb33555f9ce463d705611d48f90b1f43a1e556637d0f11953fac8e0c318df35739266a8df4cbeff93f89fb34c881e4e3a279d50fcc4c978f4ff1228e038a2eaeec0831410a5ac248825425b9272f93dd17cfa890ed9b8ac13049ef8544ce75147becb90b38448f877b6403d2c5cdcbfaee704734e71ab986f6a4fc0f44cb18ec09f28103fe8e4d1fe1a0de0c6d12173affbf5cfa6281e65d6b28282faa228ea4b4f7819f8337a44946bb85a35ba9e37cebf8f3730cce3df26f8cb3ddbd45624a011fa13e6bb6a7cfe9ab1c9f6cdbf83a09b6d9091919db059dc826987af4f4c199e58be55d79c1c70aca194efddd75b471168fe90893a4ba040e6c8bedbf397eed827df03947e3bd8c9cae0bf855233b135db95a6a67bee3067daef4d1972361705fffc4c0e84d8229d9434870eacdfbfb159abb19c5aa9406fe30ef8a038695de82cd4444d9f864e195a4a699d20cff931742ca866d33f9a5a5bf6fc0104b069dfc7341f69381a81bfff091df71db22eae87fe52e2ef9d11123dc32a22491f68fa9f699706b7cf929c5fee9770ab3ef0f7afb048ff6efd84ab80bc412b2557433c135e80d9b3ba7c23b64f01799e3a30ae96ed22ab812d1e504d8cf9293625ad7c4ff7bf84c342d5dfa20204d3650de47c0c2e4c2923e8bbbbfca62e90e7756c535ca173592771486d5bd8a361e2da1d8b5c4dfe2509aa67bdbe764c559926c83695aac1cec7169ab326b271a40eb0d124d9a468e2542ccba9917c0bb5752d4fc398adcb65a8c3abb2d7f7b4d6a7bd12a24c1efc2b1faf91a40527c8c3d91c4025015506dec9649e816bccfd57c4b02f0f79561424077fb7f792ee8ecc689d833e876deafea44395bc3edb97bdf54ecebf460f0510829c154aa0b221fd3c91449557574b11d28395b0c57a4b48708336f64b9c2e507fbccea4b540173a5b99ff841bb065e523e712d6f7233f4a68f6c43db522283985d6cf0b2c1a8bf8cae5e8fc4f4a716ba408e36e8d79d9c5e8e50ca1ef8e695b2d32ad1590965ec662359d0c9c4c17210b1202b99cb377501497616212f2c981cf0e23dae0468adc5c2e2985a544716879ae062017f430ea9d57d6576dc677b59dee1f65f0f286c7d8aec2db48b06fc36f42c78d738839cb4915b8ad642a3f692602902e2c6f96f412b15b6b5091f69837805c4338e4f5a02f203da91391ee312a79b5755a1aa8f0efb38856de7cea926fd04972d84273e10019d35ec42e0466dce4bb70ab7bf509e41c44cebb821d99f8a", 0x1000, 0x84, &(0x7f0000001000)={0xa, 0x4e21, 0xff, @remote={0xfe, 0x80, [], 0xbb}}, 0x1c) 2018/03/07 14:40:24 executing program 7: r0 = socket$inet6(0xa, 0xf, 0x0) ioctl$sock_SIOCGIFCONF(r0, 0x8910, &(0x7f0000000040)=@buf={0xc, &(0x7f0000000000)="f7cce144121ad9e7112e89e9"}) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x4e20, 0x73, @empty, 0x5f}, 0xffffffffffffffb1) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000000c0)=ANY=[@ANYBLOB="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"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:24 executing program 1: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0xc00, 0x0) getsockopt$netrom_NETROM_T1(r0, 0x103, 0x1, &(0x7f00000000c0), &(0x7f0000000100)=0x4) r1 = socket$inet6(0xa, 0x2100000000000002, 0x0) getsockopt$inet6_int(r1, 0x29, 0x50, &(0x7f0000000000), &(0x7f0000000080)=0x4) 2018/03/07 14:40:24 executing program 5: socketpair$unix(0x1, 0x20000000002, 0x0, &(0x7f0000000000)={0x0, 0x0}) sendmmsg(r0, &(0x7f0000008600)=[{{0x0, 0x0, &(0x7f0000003140)=[]}}, {{&(0x7f00000072c0)=@un=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000000300)=[], 0x0, &(0x7f0000000600)=[]}}], 0x2, 0x0) 2018/03/07 14:40:24 executing program 0: r0 = signalfd4(0xffffffffffffffff, &(0x7f0000006000)={0x7fffffff}, 0x8, 0x0) readv(r0, &(0x7f000004ffe0)=[{&(0x7f000004f000)=""/128, 0x80}], 0x1) timer_create(0x3, &(0x7f000004c000)={0x0, 0x16, 0x0, @tid}, &(0x7f000004cffc)) r1 = gettid() setrlimit(0xb, &(0x7f000003a000)) rt_sigprocmask(0x0, &(0x7f0000037ff8)={0xfffffffffffffffe}, 0x0, 0x8) rt_sigqueueinfo(r1, 0x20, &(0x7f00006e7ff0)) timer_settime(0x0, 0x1, &(0x7f000004a000)={{0x0, 0x989680}, {0x0, 0x7}}, &(0x7f000004afe0)) fcntl$setown(r0, 0x8, r1) [ 50.603479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.612822] ffff8801d3f1f8a8 ffffffff81d956f9 1ffff1003a7e3f18 ffff8801cd70e000 [ 50.620855] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d3f1f9b8 [ 50.628882] ffffffff81451c92 024000c2d3f1f8f8 0000000041b58ab3 ffffffff84195b35 [ 50.636923] Call Trace: [ 50.639513] [] dump_stack+0xc1/0x128 [ 50.644874] [] warn_alloc+0x212/0x240 [ 50.650319] [] ? zone_watermark_ok_safe+0x280/0x280 2018/03/07 14:40:24 executing program 5: mmap(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0x1, 0x8972, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a95000/0x2000)=nil, 0x2000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) fchmodat(0xffffffffffffffff, &(0x7f000058f000)='./file0\x00', 0x0) clock_settime(0x2, &(0x7f0000000000)={0x0, 0x989680}) mprotect(&(0x7f000072d000/0x2000)=nil, 0x2000, 0x1000008) clone(0x0, &(0x7f0000eab000), &(0x7f00000a3ffc), &(0x7f0000b46000), &(0x7f0000000000)) 2018/03/07 14:40:24 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000040)=[@in={0x2, 0x4e22, @broadcast=0xffffffff}, @in={0x2, 0x4e24, @loopback=0x7f000001}, @in6={0xa, 0x4e21, 0x8001, @mcast1={0xff, 0x1, [], 0x1}, 0x7}, @in6={0xa, 0x4e23, 0x80, @local={0xfe, 0x80, [], 0xaa}, 0xffff}, @in6={0xa, 0x4e24, 0x100000000, @dev={0xfe, 0x80, [], 0xe}, 0x1}], 0x74) 2018/03/07 14:40:24 executing program 5: mmap(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0x1, 0x8972, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a95000/0x2000)=nil, 0x2000, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) fchmodat(0xffffffffffffffff, &(0x7f000058f000)='./file0\x00', 0x0) clock_settime(0x2, &(0x7f0000000000)={0x0, 0x989680}) mprotect(&(0x7f000072d000/0x2000)=nil, 0x2000, 0x1000008) clone(0x0, &(0x7f0000eab000), &(0x7f00000a3ffc), &(0x7f0000b46000), &(0x7f0000000000)) [ 50.656981] [] ? avc_has_perm+0xb0/0x4f0 [ 50.662684] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 50.669172] [] __vmalloc_node_range+0x3f5/0x5f0 [ 50.675486] [] ? check_preemption_disabled+0x3b/0x200 [ 50.682315] [] ? task_has_security+0x130/0x270 [ 50.688540] [] vmalloc+0x5b/0x70 [ 50.693546] [] ? sel_write_load+0x130/0xfd0 [ 50.699503] [] sel_write_load+0x130/0xfd0 [ 50.705294] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 50.712221] [] ? futex_wake+0x146/0x440 [ 50.717841] [] ? sel_read_bool+0x250/0x250 [ 50.723722] [] ? sel_read_bool+0x250/0x250 [ 50.729601] [] __vfs_write+0x103/0x680 [ 50.735129] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 50.741616] [] ? __might_sleep+0x95/0x1a0 [ 50.747409] [] ? __lock_is_held+0xa1/0xf0 [ 50.753199] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 50.760014] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 50.766574] [] ? __sb_start_write+0x14a/0x310 [ 50.772706] [] vfs_write+0x189/0x530 [ 50.778043] [] SyS_pwrite64+0x13f/0x170 [ 50.783650] [] ? SyS_pread64+0x170/0x170 [ 50.789333] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 50.795447] [] sys32_pwrite+0x39/0x50 [ 50.800869] [] ? sys32_pread+0x50/0x50 [ 50.806376] [] do_fast_syscall_32+0x2f5/0x870 2018/03/07 14:40:24 executing program 5: r0 = socket$unix(0x1, 0x5, 0x0) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000000)={0x0, 0x2, 0x7ff, 0x6fd, 0x80000000, 0x2}, &(0x7f0000000040)=0x14) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000080)=@assoc_value={r2, 0x209}, 0x8) getsockopt$sock_buf(r0, 0x1, 0x1c, &(0x7f00001e5000)=""/192, &(0x7f000047bffc)=0xc0) 2018/03/07 14:40:24 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) fgetxattr(r0, &(0x7f0000000080)=@known='security.ima\x00', &(0x7f0000000540)=""/4096, 0x1000) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f756e292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f84328df14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) [ 50.812490] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.819126] [] entry_SYSENTER_compat+0x90/0xa2 [ 50.828338] Mem-Info: [ 50.830754] active_anon:53193 inactive_anon:46 isolated_anon:0 [ 50.830754] active_file:3480 inactive_file:8563 isolated_file:0 [ 50.830754] unevictable:0 dirty:283 writeback:0 unstable:0 [ 50.830754] slab_reclaimable:6615 slab_unreclaimable:59167 [ 50.830754] mapped:23814 shmem:53 pagetables:583 bounce:0 [ 50.830754] free:1476250 free_pcp:403 free_cma:0 [ 50.864002] Node 0 active_anon:212772kB inactive_anon:184kB active_file:13920kB inactive_file:34252kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95256kB dirty:1132kB writeback:0kB shmem:212kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 50.893441] 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 [ 50.922785] lowmem_reserve[]: 0 2908 6410 6410 [ 50.928137] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 50.959021] lowmem_reserve[]: 0 0 3501 3501 [ 50.963914] Normal free:2909792kB min:36824kB low:46028kB high:55232kB active_anon:212772kB inactive_anon:184kB active_file:13920kB inactive_file:34252kB unevictable:0kB writepending:1132kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26460kB slab_unreclaimable:236320kB kernel_stack:5376kB pagetables:2332kB bounce:0kB free_pcp:792kB local_pcp:156kB free_cma:0kB [ 50.997750] lowmem_reserve[]: 0 0 0 0 [ 51.002116] 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 [ 51.017406] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 51.034583] Normal: 300*4kB (UME) 202*8kB (UME) 180*16kB (UME) 83*32kB (UME) 151*64kB (UM) 22*128kB (UM) 9*256kB (UME) 12*512kB (ME) 7*1024kB (UME) 5*2048kB (UM) 699*4096kB (M) = 2909792kB [ 51.054419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2018/03/07 14:40:24 executing program 1: r0 = open(&(0x7f0000085000)='./control\x00', 0x28042, 0x0) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000000)={0x0, 0x2710}, 0x8) r1 = inotify_init1(0x0) inotify_add_watch(r1, &(0x7f0000fb8000)='./control\x00', 0x80000c12) readv(r1, &(0x7f0000b25000)=[{&(0x7f0000fb2000)=""/128, 0x80}], 0x1) fcntl$setstatus(r1, 0x4, 0x2800) writev(r0, &(0x7f0000ecc000)=[{&(0x7f00000d9000)="f9", 0x1}], 0x1) 2018/03/07 14:40:24 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) fgetxattr(r0, &(0x7f0000000080)=@known='security.ima\x00', &(0x7f0000000540)=""/4096, 0x1000) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f756e292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f84328df14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:24 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) fgetxattr(r0, &(0x7f0000000080)=@known='security.ima\x00', &(0x7f0000000540)=""/4096, 0x1000) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f756e292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f84328df14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:24 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rfkill\x00', 0x40200, 0x0) sendto$llc(r1, &(0x7f0000000140)="bbcaae51a55dd0aef4a2b69790d817f516619d237d4f79dbc76e7792a5e55fb9a5e95b153d14a6fb632f82f8ec440427a81a11846012e18e49586be5f1de296c23fcf61a60d2a1f65429e2b5dc5d64fbb10ca6759026305d245fd97f8856c97a35184187fadfff4655e67db94df44345a3289c54bf854e59490b78dceaba6f56e4dc0f", 0x83, 0x20000000, &(0x7f0000000200)={0x1a, 0x102, 0x1, 0x80000000, 0x7f, 0x3ff, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x17}}, 0x10) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000280)={0x438f, 0x8, 0x1000, 0x4}, 0x8) setsockopt$inet_tcp_TCP_ULP(r1, 0x6, 0x1f, &(0x7f0000000240)='tls\x00', 0x4) getsockopt$inet_sctp_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x74, &(0x7f0000000500)=""/157, &(0x7f0000000400)=0xe8) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:24 executing program 6: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000040)=[@in={0x2, 0x4e22, @broadcast=0xffffffff}, @in={0x2, 0x4e24, @loopback=0x7f000001}, @in6={0xa, 0x4e21, 0x8001, @mcast1={0xff, 0x1, [], 0x1}, 0x7}, @in6={0xa, 0x4e23, 0x80, @local={0xfe, 0x80, [], 0xaa}, 0xffff}, @in6={0xa, 0x4e24, 0x100000000, @dev={0xfe, 0x80, [], 0xe}, 0x1}], 0x74) 2018/03/07 14:40:24 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={0x0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:24 executing program 4: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2=0xe0000002, @loopback=0x7f000001}, 0xc) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/mls\x00', 0x0, 0x0) write$eventfd(r1, &(0x7f0000000080)=0xffffffffffff8001, 0x8) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f00007f5000)={@multicast2=0xe0000002, @loopback=0x7f000001, 0x1, 0x0, []}, 0x10) setsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f00000000c0)={0x77359400}, 0x8) 2018/03/07 14:40:24 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) 2018/03/07 14:40:24 executing program 5: pselect6(0x40, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x20, 0x0, 0xffffffffffffffff}, &(0x7f0000000080)={0x100, 0x1000, 0x0, 0x3, 0xffffffffffffffff, 0xfffffffffffffffe}, &(0x7f00000000c0)={0x0, 0x3, 0x0, 0x0, 0x0, 0x3}, &(0x7f0000000140), &(0x7f00000001c0)={&(0x7f0000000180)={0x3f}, 0x8}) 2018/03/07 14:40:24 executing program 0: mkdir(&(0x7f0000578000)='./file0\x00', 0x0) mkdir(&(0x7f0000000000)='./control\x00', 0x0) r0 = open(&(0x7f0000022ff6)='./control\x00', 0x0, 0x0) mkdirat(r0, &(0x7f00000d4000)='./control\x00', 0x0) signalfd(r0, &(0x7f0000000040)={0x2}, 0x8) getdents(r0, &(0x7f000076cf07)=""/249, 0xf9) openat(r0, &(0x7f0000000200)='./control\x00', 0x450402, 0x0) unlinkat(r0, &(0x7f0000448000)='./control\x00', 0x200) rename(&(0x7f00000f2ff8)='./file0\x00', &(0x7f0000ab5ff6)='./control\x00') [ 51.062997] 12098 total pagecache pages [ 51.066962] 0 pages in swap cache [ 51.070383] Swap cache stats: add 0, delete 0, find 0/0 [ 51.075721] Free swap = 0kB [ 51.078730] Total swap = 0kB [ 51.081736] 1965969 pages RAM [ 51.084808] 0 pages HighMem/MovableOnly [ 51.088771] 320510 pages reserved [ 51.120624] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 51.131767] CPU: 1 PID: 8167 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 51.139286] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.148619] ffff8801badaf8a8 ffffffff81d956f9 1ffff100375b5f18 ffff8801cb22c800 [ 51.156616] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801badaf9b8 [ 51.164591] ffffffff81451c92 024000c2badaf8f8 0000000041b58ab3 ffffffff84195b35 [ 51.172610] Call Trace: [ 51.175180] [] dump_stack+0xc1/0x128 [ 51.180520] [] warn_alloc+0x212/0x240 [ 51.185958] [] ? zone_watermark_ok_safe+0x280/0x280 [ 51.192608] [] ? avc_has_perm+0xb0/0x4f0 [ 51.198292] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 51.204755] [] __vmalloc_node_range+0x3f5/0x5f0 [ 51.211046] [] ? check_preemption_disabled+0x3b/0x200 [ 51.217854] [] ? task_has_security+0x130/0x270 [ 51.224058] [] vmalloc+0x5b/0x70 [ 51.229044] [] ? sel_write_load+0x130/0xfd0 [ 51.234984] [] sel_write_load+0x130/0xfd0 [ 51.240755] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 51.247654] [] ? futex_wake+0x146/0x440 [ 51.253247] [] ? sel_read_bool+0x250/0x250 [ 51.259104] [] ? sel_read_bool+0x250/0x250 [ 51.264957] [] __vfs_write+0x103/0x680 [ 51.270461] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 51.276924] [] ? __might_sleep+0x95/0x1a0 [ 51.282690] [] ? __lock_is_held+0xa1/0xf0 [ 51.288466] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 51.295273] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 51.301821] [] ? __sb_start_write+0x14a/0x310 [ 51.307937] [] vfs_write+0x189/0x530 [ 51.313268] [] SyS_pwrite64+0x13f/0x170 [ 51.318863] [] ? SyS_pread64+0x170/0x170 [ 51.324544] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 51.330659] [] sys32_pwrite+0x39/0x50 [ 51.336076] [] ? sys32_pread+0x50/0x50 [ 51.341590] [] do_fast_syscall_32+0x2f5/0x870 [ 51.347706] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.354340] [] entry_SYSENTER_compat+0x90/0xa2 [ 51.360920] Mem-Info: [ 51.364071] active_anon:53194 inactive_anon:46 isolated_anon:0 [ 51.364071] active_file:3481 inactive_file:8569 isolated_file:0 [ 51.364071] unevictable:0 dirty:286 writeback:0 unstable:0 [ 51.364071] slab_reclaimable:6649 slab_unreclaimable:59166 [ 51.364071] mapped:23804 shmem:53 pagetables:611 bounce:0 [ 51.364071] free:1476199 free_pcp:475 free_cma:0 [ 51.397541] Node 0 active_anon:212764kB inactive_anon:172kB active_file:13928kB inactive_file:34284kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:1176kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 51.427063] 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 [ 51.456395] lowmem_reserve[]: 0 2908 6410 6410 [ 51.461597] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 51.492649] lowmem_reserve[]: 0 0 3501 3501 [ 51.497616] Normal free:2908992kB min:36824kB low:46028kB high:55232kB active_anon:212764kB inactive_anon:172kB active_file:13928kB inactive_file:34284kB unevictable:0kB writepending:1180kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26648kB slab_unreclaimable:236764kB kernel_stack:5376kB pagetables:2432kB bounce:0kB free_pcp:1128kB local_pcp:408kB free_cma:0kB [ 51.531964] lowmem_reserve[]: 0 0 0 0 [ 51.536329] 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 [ 51.551576] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 51.568774] Normal: 170*4kB (UME) 199*8kB (UME) 178*16kB (UME) 76*32kB (UME) 152*64kB (UME) 23*128kB (UME) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 7*2048kB (UM) 698*4096kB (M) = 2908928kB [ 51.588547] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 51.597271] 12106 total pagecache pages [ 51.601224] 0 pages in swap cache [ 51.604643] Swap cache stats: add 0, delete 0, find 0/0 [ 51.609994] Free swap = 0kB [ 51.612989] Total swap = 0kB [ 51.615974] 1965969 pages RAM [ 51.619073] 0 pages HighMem/MovableOnly 2018/03/07 14:40:25 executing program 5: r0 = socket$inet6(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000000000)={&(0x7f0000016000)=@nl=@kern={0x10}, 0x80, &(0x7f0000000040)=[{&(0x7f0000018000)="5500000019007fb1b72d1cb2a4a280a80a60050000a84321a7052369250009000800001c010000001400a30702000000000000dc1338d544000a9b84226eb75afb83de448daa7227c43ab8220000060cec4fab91d4", 0x55}], 0x1, &(0x7f0000006000)=[]}, 0x0) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) recvfrom$inet6(r0, &(0x7f0000000040)=""/132, 0x84, 0x2000, &(0x7f0000000100)={0xa, 0x4e20, 0x7, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x2}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) fadvise64(r0, 0x0, 0x101, 0x3) 2018/03/07 14:40:25 executing program 4: clone(0x0, &(0x7f0000fbf000), &(0x7f0000076ffc), &(0x7f0000f8b000), &(0x7f00000d5000)) timer_create(0x0, &(0x7f0000cd0000)={0x0, 0x12, 0x0, @thr={&(0x7f0000aadf29), &(0x7f000036dfa1)}}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) r0 = gettid() socketpair$inet_sctp(0x2, 0x1, 0x84, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffff9c, 0x84, 0x11, &(0x7f0000000140)={0x0, 0x9}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f00000001c0)={r3, 0x3, "7cf076"}, &(0x7f0000000200)=0xb) r5 = accept4$unix(0xffffffffffffffff, 0x0, &(0x7f0000000280), 0x80000) fstat(r1, &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x3, &(0x7f0000000600)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff]) sendmsg$unix(r5, &(0x7f00000006c0)={&(0x7f00000002c0)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000540)=[{&(0x7f0000000340)="0be5d1c4ec0ed5ac90e94baeb727d7a7212ea0a6928bc224449c410c7bfc5b6964ac1b600c24a10358098fb092b97b3624673b7ab2c3f21dad08ce02f010de599d1b310128c2037880acb8dd0275fb71e20614df801db25f1e9ae46304f2e49377fecd7bb09be0f38df782e49098b3b1729167de70c50ebee8b4a3b4afc0adb3c47be0c9ae27e76df4dba1c92e7b86444596d2f2d451b10d30dd9f3fad46f3dc65f3a19cf2562659eaf847bc8436547b6502add88338c3f25e4e1f43dc1f96170d6e938e1d09a409ccc3758c8ac8294baff1741be98e73cb0d738facd55aba2c", 0xe0}, {&(0x7f0000000440)="cfff0470a8607e281129c0b30fd1dee4ee8dcdb94c1f960f77c2b6ec29d7ea62b6a6a682cda5a6d0d834f6c21b3488d3013b0208213733ffb7bd46560b6a32f3588121512b07cd772b58f2a02aea913c2f6150311e3f2604221e44c2a3", 0x5d}, {&(0x7f00000004c0)="f5579c908d3f58634d7d9ed0530e2683ede5af19b8ab99d4ef175cb7ceaf693e356599b3a069e2b4fa", 0x29}, {&(0x7f0000000500)="2c03a54565a61291dcd3e00f7f1b62b95021e662e1f1bdc77c07f8b1c2f142baeaf6", 0x22}], 0x4, &(0x7f0000000640)=[@cred={0x18, 0x1, 0x2, r0, r6, r7}, @rights={0x10, 0x1, 0x1, [r1]}, @rights={0x30, 0x1, 0x1, [r1, r2, r2, r2, r1, r1, r2, r2, r1]}], 0x58, 0x20000000}, 0x40000) vmsplice(r1, &(0x7f0000000940)=[{&(0x7f0000000700)="610f5e372331b87349f4a8710d2d1ce271439a16cf3ddfb59779dc3005", 0x1d}, {&(0x7f0000000740)="dbdfe2484bba2b42a5b7466862acabc434190b55b1d2bdee653c82209dce848e76d198dfdbf82475c4ad7ff5071a1e886c0af181061eb67ed739", 0x3a}, {&(0x7f0000000780)="ccf473cc580ac91d6c6f8b6e24a6b9", 0xf}, {&(0x7f00000007c0)="33cac850843dd57dc4f5773b9079c65b1e3c2feca50a984e91eb0b0fae899dae00ab31cd9a1daa3f02c86432267cd61ceb45b8f966f7500c18485e5b89febf45dc6fa1f436eda6fa5a9894382271822bc51a4f0cddca564e5424a944a4359c63ee46a753d15cadead0bb3f770bd127cbeb01c3f403ffc138dde95050a762bfe5dad44c26fd145befabc2d07948cd01cea096049c2d056863c0016db98fa6dd8061dcaf2c5dbfdf5d3c93da19f17206d132c13dedc1553127e38889fe4ca7f19ee7f11e12c54299eef13cf8e84c871f9d596ec7f9bded0c90b3dadf26993b3adee4258ff8a9c4f060fc4a4f7d9224aa4df9ba4872", 0xf4}, {&(0x7f00000008c0)="20e2564fd5bdfe3e3b2d10b71650820020bafcfdcbc788f4372fc487d9efd4712384967da0101080902212edeb982ada7031023154eec4a828bfda03517632402f3c1bd6a974", 0x46}], 0x5, 0x4) r8 = dup3(r1, r5, 0x80000) ioctl$KDDISABIO(r8, 0x4b37) tkill(r0, 0x16) r9 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/cache_stats\x00', 0x0, 0x0) fcntl$getownex(r5, 0x10, &(0x7f0000000980)) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r9, 0x84, 0x71, &(0x7f0000000240)={r4, 0xfffffffffffffffa}, 0x8) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x3, 0x800, 0x7, 0x80000000, 0x0, 0xffffffffffff0000, 0x200, 0x2, 0x3f, 0xff, 0x6, 0x200, 0xffffffff7fffffff, 0x9, 0x3, 0x8000000, 0xa, 0x2, 0x1, 0x5, 0x88, 0x0, 0xffff000000000000, 0x400, 0x518, 0x80000000, 0x0, 0x7, 0x80000000, 0xde3, 0x2, 0x400, 0x0, 0x0, 0x9, 0x3ff, 0x0, 0x100000001, 0x4, @perf_bp={&(0x7f0000000000), 0x3}, 0x120, 0x8, 0x7ff, 0x3, 0x76, 0x4, 0x3}, r0, 0xec, r9, 0x3) 2018/03/07 14:40:25 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10000000013, &(0x7f000039c000)=0x400000000000001, 0x4) setsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f00000b2000)=0x10001, 0x4) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x2000, 0x0) getsockopt$inet_sctp6_SCTP_NODELAY(r1, 0x84, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/03/07 14:40:25 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='limits\x00') syz_open_pts(r0, 0x88042) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000001ffc)=0xe) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000}) 2018/03/07 14:40:25 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={0x0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_opts(r0, 0x0, 0x20000000050, &(0x7f0000000080)=""/16, &(0x7f00004d1000)=0xa) ioctl$sock_SIOCOUTQ(r0, 0x5411, &(0x7f0000000040)) 2018/03/07 14:40:25 executing program 5: getpriority(0x2, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc\x00', 0x0, 0x0) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r0, 0x29, 0x41, &(0x7f0000000140)=ANY=[@ANYBLOB="736563757269747900000000000000000000000000000000000000000000000004000000000000000000000000000000000000000000e7fef7a59e9eb1fea24e524560699b220000000000000000000000000000000000000000000000000000000000000006c2d775e97700000000000000000000000000000000000000"], 0x68) r1 = socket$pptp(0x18, 0x1, 0x2) ioctl$BINDER_THREAD_EXIT(r1, 0x40046208, 0x0) getsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000000), &(0x7f0000000040)=0x4) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x5, 0x0) syz_open_dev$binder(&(0x7f0000000040)='/dev/binder#\x00', 0x0, 0x2) ioctl$sock_inet_SIOCSIFPFLAGS(r0, 0x8934, &(0x7f0000000080)={'erspan0\x00', 0x4}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x2df) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$inet_MCAST_LEAVE_GROUP(r0, 0x0, 0x2d, &(0x7f00000000c0)={0x11, {{0x2, 0x4e20, @loopback=0x7f000001}}}, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f0000000000)=[@in6={0xa, 0x4e22, 0x4, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xf}}, 0x264cda7e}], 0x1c) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000080)=[@in6={0xa, 0x4e23, 0x900, @empty, 0x1000}, @in={0x2, 0x4e20, @remote={0xac, 0x14, 0x14, 0xbb}}], 0x2c) setsockopt$inet6_int(r0, 0x29, 0xce, &(0x7f0000000040)=0x3, 0x4) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="10000000290000160fdf084bd02990b6e8667dd0a2ffb85d9569cae7d05c39991530d0140238b6f79618fd266a6c10dc7b0044710e2e42578041acfa46144db05f512449f9114d4681473df915d7dae4c497db1f000000000000003ce292c5ae98d2c172990aeca8f19143f754c336f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f413abf7f73f4d9141af52cad1fb412de70a91f58f457230876e41fc369b3d67dcb6feced6b151f84f51a0b08a3404d0788fb17fd089e6d071c7e040000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:25 executing program 0: modify_ldt$write2(0x11, &(0x7f0000cbbff0)={0x810}, 0x10) modify_ldt$write(0x1, &(0x7f0000000000)={0x40, 0x20100800, 0x4000, 0x9, 0x6, 0x40, 0x6, 0x100000000, 0x8, 0xc8}, 0x10) modify_ldt$write(0x1, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x3, 0x10000, 0x20e, 0xaf2, 0xff, 0x7d, 0x78d}, 0x10) [ 51.623023] 320510 pages reserved [ 51.633601] netlink: 17 bytes leftover after parsing attributes in process `syz-executor5'. [ 51.648622] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x6, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty, 0x9}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x101000, 0x14d) r2 = fcntl$getown(r1, 0x9) fcntl$setown(r0, 0x8, r2) getsockopt$inet_sctp6_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000300)={0x0, 0x200, 0x17, 0x6, 0x6d3d7b4d, 0x0, 0x2, 0x81, {0x0, @in={{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x17}}}, 0x8, 0x8, 0x3, 0x61, 0x5e2b}}, &(0x7f0000000540)=0xb0) sendmmsg$inet_sctp(r1, &(0x7f0000001640)=[{&(0x7f0000000080)=@in6={0xa, 0x4e22, 0x5, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x1}, 0x1c, &(0x7f0000000240)=[{&(0x7f00000000c0)="07a42aeee5821328eb548af39fce6b32a0439a1085495076e4fc0f32e6f15c542eac2af67e9a20438ee03af20cfb853f99b82c29427ca94577f69f61cbf394ecd2336a246fa6afffe20e4794f804c07a4cb1f4600c24f41f1ec61b0d83f8b8291c824d838e0e33577203f962936066d0d8f310a597f2343e515782f9f787356d5641f4461a21032d90bd8ca222d06bf12ed1c561b087b9778748dd60e0fdd5d3810c12c631d5fc891b4ad10e0e03469d4dd7ebbf4ad02546d9f5b037eac7cba3a012eb30552b7fe2611f728238c5de50373c19cb4a8927c567da9b95e9", 0xdd}, {&(0x7f00000001c0)="9ae47219d0e13787f494e62593ec956deefe5e3499e05a26461f77bc5a29436ea3df2cd715eb6204a41ec5c608bbdb6c1d469c1f8e316290acfa4e50e850", 0x3e}, {&(0x7f0000000200)="0557d1d40ee6405574e0bb7e597f22afff3cc55ddf8b1fa12cfce1690459a6919a3edc54fc05da67f40db3ad874c8a418da6", 0x32}], 0x3, 0x0, 0x0, 0x8010}, {&(0x7f0000000280)=@in6={0xa, 0x4e20, 0x80, @mcast2={0xff, 0x2, [], 0x1}, 0x674}, 0x1c, &(0x7f00000002c0)=[], 0x0, &(0x7f0000000580)=[@sndinfo={0x1c, 0x84, 0x2, {0x5, 0x0, 0x0, 0x1, r3}}], 0x2c, 0x10}, {&(0x7f00000005c0)=@in={0x2, 0x4e21, @multicast2=0xe0000002}, 0x10, &(0x7f0000001600)=[{&(0x7f0000000600)="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", 0x1000}], 0x1, 0x0, 0x0, 0x8010}], 0x3, 0x20000000) memfd_create(&(0x7f00000002c0)='em1md5sum&system\x00', 0x1) fcntl$addseals(r1, 0x409, 0x1) 2018/03/07 14:40:25 executing program 0: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r0, 0x84, 0x6b, &(0x7f0000000080)=[@in6={0xa, 0x4e23, 0x900, @empty, 0x1000}, @in={0x2, 0x4e20, @remote={0xac, 0x14, 0x14, 0xbb}}], 0x2c) setsockopt$inet6_int(r0, 0x29, 0xce, &(0x7f0000000040)=0x3, 0x4) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000180)=ANY=[@ANYBLOB="10000000290000160fdf084bd02990b6e8667dd0a2ffb85d9569cae7d05c39991530d0140238b6f79618fd266a6c10dc7b0044710e2e42578041acfa46144db05f512449f9114d4681473df915d7dae4c497db1f000000000000003ce292c5ae98d2c172990aeca8f19143f754c336f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f413abf7f73f4d9141af52cad1fb412de70a91f58f457230876e41fc369b3d67dcb6feced6b151f84f51a0b08a3404d0788fb17fd089e6d071c7e040000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:25 executing program 0: r0 = syz_open_dev$binder(&(0x7f0000000040)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) ioctl$BINDER_SET_MAX_THREADS(r0, 0x40046205, 0x0) syz_open_dev$binder(&(0x7f0000000000)='/dev/binder#\x00', 0x0, 0x802) 2018/03/07 14:40:25 executing program 6: r0 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000001ff0)='/dev/sequencer2\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f00000001c0)=@sack_info={0x0, 0x0, 0x9}, &(0x7f0000000040)=0xc) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000080)={r1, 0x5}, 0x8) r2 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0x0) add_key$keyring(&(0x7f00000000c0)='keyring\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, r2) ioctl$TCSETSF(r0, 0xc074510c, &(0x7f0000003fdc)={0x0, 0x0, 0x4296}) [ 51.666429] CPU: 1 PID: 8190 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 51.673970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.683323] ffff8801cb2178a8 ffffffff81d956f9 1ffff10039642f18 ffff8801cb924800 [ 51.691353] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cb2179b8 [ 51.699385] ffffffff81451c92 024000c2cb2178f8 0000000041b58ab3 ffffffff84195b35 [ 51.707428] Call Trace: [ 51.709189] binder: 8212:8213 ioctl 40046205 0 returned -22 [ 51.709496] binder: 8212:8213 ioctl 40046205 0 returned -22 [ 51.721385] [] dump_stack+0xc1/0x128 [ 51.726745] [] warn_alloc+0x212/0x240 [ 51.732189] [] ? zone_watermark_ok_safe+0x280/0x280 [ 51.738849] [] ? avc_has_perm+0xb0/0x4f0 [ 51.744554] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 51.751043] [] __vmalloc_node_range+0x3f5/0x5f0 [ 51.757357] [] ? check_preemption_disabled+0x3b/0x200 [ 51.764186] [] ? task_has_security+0x130/0x270 [ 51.770404] [] vmalloc+0x5b/0x70 [ 51.775414] [] ? sel_write_load+0x130/0xfd0 [ 51.781378] [] sel_write_load+0x130/0xfd0 [ 51.787162] [] ? sel_read_bool+0x250/0x250 [ 51.793031] [] ? sel_read_bool+0x250/0x250 [ 51.798898] [] __vfs_write+0x103/0x680 [ 51.804407] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 51.810881] [] ? __might_sleep+0x95/0x1a0 [ 51.816663] [] ? __lock_is_held+0xa1/0xf0 [ 51.822435] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 51.829245] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 51.835792] [] ? __sb_start_write+0x14a/0x310 [ 51.841907] [] vfs_write+0x189/0x530 [ 51.847246] [] SyS_pwrite64+0x13f/0x170 [ 51.852841] [] ? SyS_pread64+0x170/0x170 [ 51.858520] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 51.864636] [] sys32_pwrite+0x39/0x50 [ 51.870057] [] ? sys32_pread+0x50/0x50 [ 51.875563] [] do_fast_syscall_32+0x2f5/0x870 [ 51.881679] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.888318] [] entry_SYSENTER_compat+0x90/0xa2 [ 51.898308] Mem-Info: [ 51.900868] active_anon:53731 inactive_anon:43 isolated_anon:0 [ 51.900868] active_file:3482 inactive_file:8580 isolated_file:0 [ 51.900868] unevictable:0 dirty:300 writeback:0 unstable:0 [ 51.900868] slab_reclaimable:6653 slab_unreclaimable:59295 [ 51.900868] mapped:23807 shmem:50 pagetables:601 bounce:0 [ 51.900868] free:1475575 free_pcp:431 free_cma:0 [ 51.934148] Node 0 active_anon:212796kB inactive_anon:172kB active_file:13928kB inactive_file:34320kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:1200kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 65536kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 51.963637] 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 [ 51.992959] lowmem_reserve[]: 0 2908 6410 6410 [ 51.998499] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 52.029399] lowmem_reserve[]: 0 0 3501 3501 [ 52.034312] Normal free:2909308kB min:36824kB low:46028kB high:55232kB active_anon:212796kB inactive_anon:172kB active_file:13928kB inactive_file:34320kB unevictable:0kB writepending:1204kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26616kB slab_unreclaimable:236616kB kernel_stack:5376kB pagetables:2356kB bounce:0kB free_pcp:1008kB local_pcp:316kB free_cma:0kB [ 52.068243] lowmem_reserve[]: 0 0 0 0 [ 52.072609] 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 [ 52.087918] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 52.105120] Normal: 195*4kB (UME) 184*8kB (UME) 186*16kB (UME) 74*32kB (UM) 156*64kB (UM) 23*128kB (UME) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 7*2048kB (UM) 698*4096kB (M) = 2909228kB 2018/03/07 14:40:25 executing program 0: mmap(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0x3, 0x8972, 0xffffffffffffffff, 0x0) mlock2(&(0x7f0000a93000/0x3000)=nil, 0x3000, 0x0) pipe2(&(0x7f0000000ff8)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mremap(&(0x7f0000a94000/0x1000)=nil, 0x1000, 0x4000, 0x3, &(0x7f0000b1d000/0x4000)=nil) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000b1d000)={&(0x7f0000a93000/0x3000)=nil, 0x20000002, 0x0, 0x0, &(0x7f0000b1c000/0x4000)=nil}) mprotect(&(0x7f0000b1d000/0x2000)=nil, 0x2000, 0x5) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000000)) vmsplice(r1, &(0x7f0000b1d000)=[{&(0x7f0000000040), 0xffffffffffffffde}], 0x275, 0x0) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x8000000000) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) connect$inet6(r0, &(0x7f0000001980)={0xa, 0x4e21, 0xfffffffffffffffa, @dev={0xfe, 0x80, [], 0x17}, 0xca21}, 0x1c) sendmmsg(r0, &(0x7f0000005900)=[{{&(0x7f0000000080)=@pppol2tp={0x18, 0x1, {0x0, r0, {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0xc}}, 0x1, 0x1, 0x0, 0x3}}, 0x80, &(0x7f0000000380)=[{&(0x7f0000000100)="ca7b922cf35f4f56739eec049e93eb8c624e44520bc703bd31aed1657e36153359ee8996ae6994fac88e309d4ccf29bb376f104fb9e6116724bdec37638b49e8f3b42e4e05a707f305b23eb65ecccf8f56fd0216", 0x54}, {&(0x7f0000000180)="5fe7226be5c52b63ce3063d8c3f4ed6408c49e7f353ab5854041266c14fce2833c07928ca18b59a43011c660cb0df2f98750b72dc630dd8abc433ea4594230bfd071d47b0f382e1286c54beddcbd4418a5132ac772ee788a852887e7b41838131bcbaf49cc69ddb2981689d1a360c1d6eadb99033e57564a1b49de53ee7a06fb04b25c9380", 0x85}, {&(0x7f0000000240)="002927819e713eb7ee8f0ad228fd8739b3cba0543e66cd49698900f310ecc5b0f33e59334ea07e3b0e2fc996da134c6e3ca442bd97330c67265e857e602254b431582584629477a180924188fec9b63b02c6305541968b1d5bc43af40921aed195ca9ede19d358d68df3c2035fb4739b518cdfcca124cbea90b630b02a853b61bbdf2bd66fa64e4e6c", 0x89}, {&(0x7f0000000300)="6b9b02e1eea8a1a3da392df5cd72e109d1c7982fb4e6ce6f3c1be05f012dcceafe3fe862ea1bd173f34a09595955cc0b1063dc3fbd89e8f969d8e05d1ac6939c46b1fa2535751e969219fd065ba9182c6ce09d4a9f161adacd47132bad1ada49", 0x60}, {&(0x7f0000000540)="113d23e73a09e2270b970c0ec021094c919e055cbb0027af48e110def215c26273eab8b9a108daebeb00858258a999694c6ecebf1f841643da50de0cb96ba8853741c39c28a917c618b5130b10cffe7244337406deb8b7afd18eed9ca083cb578e1f0cb7dd9eca197f64abcc2a4d69befd0aaf7ef350716cbd62a3cd1676ec53a765bfe38bda616aa572f7037027f15bcc7ff974a6575b5fcd182b3ae62ace9c2e24ce4c4841791ac2b2165229eb0f3c01801703dbfb9264cfdc5f616daa980164e4fedda206de4c6b99451395f1a8ea764bed3403c52722980e006148d1be4f1a3b0c8d193ff76cee", 0xe9}, {&(0x7f0000000640)="7aaeb5082b77258904a6826e550eeb6b646eb6aca21a53cfdf574147e244f5afea216dd640756be253f90169ad34fe91945f784ecf7c6e28c19ffaa480f179a1e050c690d29ba1fc3f7eecf6b6a82f182b9583710c57c5f954e7a76bcb5b1264fad768b475ef14f45bb2b17abb27da8cfde6aad33dca9b7d8f4fbc0ca62ad789f24ffc164b1b172035df5e3c3b5737533ad7fd76674637bd7b1f488fd83906cc2dce0987d9195758fe3cbf2802e8e18026cc060104a83abb9eb663ee8e6b353f89bf658af0f1e2562771cda40e916332a893b1ead8f33c83de33313c28f0ec37239c62", 0xe3}], 0x6, 0x0, 0x0, 0x40}, 0x5}, {{&(0x7f0000000740)=@un=@file={0x0, './file0\x00'}, 0x80, &(0x7f00000019c0)=[{&(0x7f00000007c0)="9d7a13d0664ced839fb691f9fb448a7bf7eb", 0x12}, {&(0x7f0000000800)="af9dba3d1c9cda19510a0d65cd2ba881bb9c4bdb5e4d6d3f7e44d2ce399e4f935c274145237bd520adbfa25f87b4c7ec4b73078e535da06fdc2b0f3af810bb08d285de0c40347d96788bf8d0171bd51006f4bd03d9305802630e56f7db132fb5ef7ef7092c3e447552c6b312fb2e6595d9865234e94d1ef0f665dbcff7398f766c55873ab57b07125f8a36d3d0c13eba49273bddb9ace37166c2d615f6dcff368b692818128598768fbe1adcf381a7548541b8fcec91f6cb7946371c4199576d13c01d59d1df0c8bbc1810fd9a33c53ce624733c305df5fd70e7e2a3bb772ea59df98b94ba4d9a88b55b1f6f1905a4", 0xef}, {&(0x7f0000000900)="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&(0x7f0000005400)=[{&(0x7f0000004400)="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0x1000}], 0x1, &(0x7f0000005440)=[{0x98, 0x0, 0x81, "edfeda0caece73e16b115756e641f68c6c0b1482f01c049043bbbfe12d5201b699d1ca6805e4c3a6adbba920a87ea9c02fadf0a24152da93ce0aff4cf96b0c3b75c53eecb991a2acc2d6a32c7f36e0e60994a3fdda75273121b162dca02142b6e29a2baa720fbf1b857becde39461c5b09722d6ffff77b8d076527551ef866d871ff50eeca84e8ab573be890"}, {0xfc, 0x119, 0x2, "195799db68400bdd0cf519c35054726f3066352ac48aa1281705a4475b5d864cb114bb16a861cf5f1ac6301a025a4fe90fa28ea161fe626c2692a2a1e12fdeb55b88bfb0e0808e9d8a987f68ea485304a5b2220fcaec25b80dc8641c13818adbda3adbbefb5847084acb8e2d487ce880a4d04a9320a76c35c92b1983a39cda96a00a82bc31e6aa52add5a5c60db2e7d42533ea9b6ff013b065a47d3431048da80756c30a485892b24e0fde7811f3623c17e9c6bbe20a6fbc247a5cb92349ea0c6bb8bb670df282fc5cf35e39079db13c1956e9e093c95b5762416e450f8c93b85fe737f72bdd350421e63897ef4bbb"}, {0x108, 0x11e, 0xffff, "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"}, {0x34, 0x29, 0x1, "4f36941c70cdb1fc2215db1e48b456528cac1b4a191e7a331e0970b7071361f9d1c30a5e95"}, {0x24, 0x112, 0x81, "2ce139a1ea52910732b4c6111f8b4adff13a3e0114"}, {0x40, 0x11a, 0x6, "eb86c472517b5c48ccd156c41cb9c3295102beb778a35124825a9a1cc81272cab337e5716298803d7ddd9193ba247eb7742fff"}, {0xa4, 0x115, 0x81, "40d6f47cdff79e762774ae132fc2d97ccc075d80acf9ab9c4182b8434a4974ac4317433c41c15b291655fe34f2b0fb51f87e429654ddd061df67ecd504d4ab9ace1b7d195785a0de4128c3a7f90543885cd7fa3a41f8f9a196e30e2e169310f8c7756a7085ba209630b66f683edad89c578f2926d9b0315bd5051346e8ce3b7f3d38fc50ff7a3d6e219c729442919e62be446883580ba0"}, {0xac, 0x110, 0x3, "1227aceaf25f0a458950eb0a6956e2dc74131830ccc887962918ec5e016b47b26a0f5d124804be391a156ea1176675a578927263b6a4b35d24e0da8fafee5965814dbbcc835dfbeb4fb07a77311e23ce886843fdbd4c6f2a91628d1de61e89b18f4eeeb98d530ab011afa9e802e42d161fcb979b34e3bdbd98d10b713468fa85a1a717c1c6f370101d9afa7643a5cb455c8bb6511b5728331762b3c52c"}], 0x484, 0x4000}, 0x7}], 0x4, 0x4001) 2018/03/07 14:40:25 executing program 6: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) getsockname$netlink(r0, &(0x7f0000000040), &(0x7f0000000100)=0xc) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/autofs\x00', 0x10040, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r1, 0x29, 0x1, &(0x7f0000000180)=0x2, 0x4) sendmsg$nl_netfilter(r0, &(0x7f00008c5fe4)={&(0x7f0000de2ff4)={0x10, 0x0, 0x0, 0x4108c465}, 0xc, &(0x7f00008b7ff0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000007012000000000000000090002040000"], 0x14}, 0x1, 0x0, 0x0, 0x3fffffe}, 0x0) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e21, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:25 executing program 4: mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x1000004, 0x2000000000032, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x2, 0x0) ioctl$EVIOCSKEYCODE(r0, 0x40084504, &(0x7f0000001ffb)) clock_gettime(0x0, &(0x7f0000000100)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000000)={0x8, 0x2, 0x2, 0x101, 0x3, 0x4, 0x80, 0x5}, &(0x7f0000000080)={0x2, 0x1, 0x1, 0x0, 0x100000001, 0x7e, 0x6, 0x6}, &(0x7f00000000c0)={0xc50f, 0x1a9, 0x7, 0xdf, 0x931f, 0x7, 0xfffffffffffffffc, 0x1ba}, &(0x7f0000000140)={r1, r2+10000000}, &(0x7f00000001c0)={&(0x7f0000000180)={0x400}, 0x8}) 2018/03/07 14:40:25 executing program 1: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='limits\x00') syz_open_pts(r0, 0x88042) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000001ffc)=0xe) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000}) 2018/03/07 14:40:25 executing program 2: pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='limits\x00') syz_open_pts(r0, 0x88042) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000001ffc)=0xe) ioctl$TCSETSF(r1, 0x5404, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400000000000}) 2018/03/07 14:40:25 executing program 5: capset(&(0x7f0000000ff8)={0x20071026}, &(0x7f0000000000)) r0 = socket(0x1000000010, 0x802, 0x0) sigaltstack(&(0x7f0000ffb000/0x3000)=nil, 0x0) connect$netlink(r0, &(0x7f0000b4c000)=@kern={0x10, 0x0, 0x0, 0xc00000}, 0xc) [ 52.124863] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.133423] 12112 total pagecache pages [ 52.137388] 0 pages in swap cache [ 52.140810] Swap cache stats: add 0, delete 0, find 0/0 [ 52.146141] Free swap = 0kB [ 52.149149] Total swap = 0kB [ 52.152142] 1965969 pages RAM [ 52.155214] 0 pages HighMem/MovableOnly [ 52.159183] 320510 pages reserved 2018/03/07 14:40:25 executing program 0: mmap(&(0x7f0000a93000/0x4000)=nil, 0x4000, 0x3, 0x8972, 0xffffffffffffffff, 0x0) mlock2(&(0x7f0000a93000/0x3000)=nil, 0x3000, 0x0) pipe2(&(0x7f0000000ff8)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) mremap(&(0x7f0000a94000/0x1000)=nil, 0x1000, 0x4000, 0x3, &(0x7f0000b1d000/0x4000)=nil) ioctl$DRM_IOCTL_RM_MAP(0xffffffffffffffff, 0x4028641b, &(0x7f0000b1d000)={&(0x7f0000a93000/0x3000)=nil, 0x20000002, 0x0, 0x0, &(0x7f0000b1c000/0x4000)=nil}) mprotect(&(0x7f0000b1d000/0x2000)=nil, 0x2000, 0x5) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000000)) vmsplice(r1, &(0x7f0000b1d000)=[{&(0x7f0000000040), 0xffffffffffffffde}], 0x275, 0x0) 2018/03/07 14:40:25 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ioctl$sock_SIOCADDDLCI(r0, 0x8980, &(0x7f0000000700)={'rose0\x00', 0x9}) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0x2, &(0x7f0000000000)=0x7b, 0x4) bind$inet(r1, &(0x7f00000005c0)={0x2, 0x4e21, @broadcast=0xffffffff}, 0x10) setsockopt$IPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x41, &(0x7f0000000540)=ANY=[@ANYBLOB="6e6174000000000000000000000000000000000000000200000004000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000"], 0x48) setsockopt$inet_opts(r1, 0x0, 0x9, &(0x7f0000000600)="5b2d06d3c55d16bcd033955dde5d93853c34f913fa744063303ecfc6ac3ba7c14210401ff3f0a134e36dc7634727798a6d65f47eb8befc79b6b048b308052e5264d50eab943db0128f7e45e9ee2b2c666d6a2f9d160a7c93f8d0ee22c5a263f1bdf86b89f4a6f1734e66cd2e0c4cef03f2ff950f130f81838abe608d499e8b2a84730a7cac956f9c67b6aa5d83cc3788633c92a854bfcf0a17ae2959c9d2d7724d3e5ad9bdf4ee418b9cb22118e8245c3a4c95b92440eba50c6bf9ca158e918363411a907f9cce350bad2828bf353d6467a0200d30b28f7c00f5ad5a2058c3dc552aaec450d014ae4f5a43ddc318", 0xee) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000800)={0x0, &(0x7f0000000840)=[]}, 0xfdc7) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000500)) sendto$inet(r1, &(0x7f0000617fc9), 0x84, 0x20000000, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000040)='yeah\x00', 0x5) sendto$inet(r1, &(0x7f0000000040)="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", 0x457, 0x0, &(0x7f0000001040)={0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x10) 2018/03/07 14:40:25 executing program 2: pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) getsockopt$inet_mreq(r0, 0x0, 0x20, &(0x7f0000000200)={@empty, @multicast1}, &(0x7f00000001c0)=0x2) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1b, &(0x7f0000000240)=ANY=[@ANYRES32=0x0, @ANYBLOB="9700000038796fc8c3a9dfacacdbdd82a6ef52f89f9e636d760e29f9475661e291b7f6e9beada2c8bd5b818c062a154f4efd5f4d7081a0a2ecf6e3b36f32664b9e5555464080836d0a0fed2dcd680100000097f97de503ddc3eacf2ce257227ca4250c13746f1a837aa98aa4bfda5187808905eb8bf03b69635cc9adb0e93eb96fd3a044498350153a36ec0df5401979dc135c04423b98e67467cc"], &(0x7f0000000140)=0x9f) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000300)={r1, 0x9148}, &(0x7f0000000340)=0x8) socketpair$inet_icmp_raw(0x2, 0x3, 0x1, &(0x7f0000000180)) sendto$inet(r0, &(0x7f0000000000)="f2144f1f3dc8bb20672f931c4341cbd30ee5efa7c67efdeebd85405e3fbe86b6f4f5d1a602f11afad9da1347a2016d5c8f1e2f404edb6c9def882e265fc5399f4039a56ce814ed28b5d1419e6c883a7c348fae243e4eff2b4d113103aeea8baf5c9f3d8ca5aa461f400d097a7411670f55f0d48840fc308b0689ac618e0a1ec2aaac1f167e26ad64f0d63c1d3aa20e2e3298e57c2858eb94d726f6403a453991916f73bfecc1086549e21978f67b8b65d915a54ed8f2d2b60ed44827b6372f998d52e8ccf72ac8593508a838c5b2b24c085f81ea5a2df6762147acf0b869539b4dbacb506749699c59787e99", 0xec, 0x4094, &(0x7f0000000100)={0x2, 0x4e20, @empty}, 0x10) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x18001) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:25 executing program 0: pipe2(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84800) fcntl$setpipe(r1, 0x407, 0x0) setsockopt$inet_mreq(r1, 0x0, 0x24, &(0x7f0000000180)={@rand_addr=0x6, @empty}, 0x8) write$evdev(r1, &(0x7f00005d7fa0)=[{{0x77359400}}], 0x10) vmsplice(r1, &(0x7f0000fccff0)=[{&(0x7f0000011fff)}], 0x1, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f0000000000)=0x1b, 0x4) r2 = mmap$binder(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x1, 0x12, r1, 0x0) r3 = openat(r0, &(0x7f0000000200)='./file0\x00', 0x4000, 0x48) ioctl$BINDER_GET_NODE_DEBUG_INFO(r1, 0xc018620b, &(0x7f0000000040)={r2}) r4 = gettid() timer_create(0x0, &(0x7f0000ec5000)={0x0, 0x12, 0x0, @tid}, &(0x7f0000044000)) connect$ax25(r3, &(0x7f0000000240)={0x3, {"6cc382172d9c71"}, 0xae9}, 0x10) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) timerfd_create(0x4, 0x0) recvfrom(r1, &(0x7f0000000080)=""/110, 0x6e, 0x40010022, &(0x7f0000000100)=@in={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 0x80) tkill(r4, 0x1000000000016) vmsplice(r0, &(0x7f00004c0fd0)=[{&(0x7f0000165f90)="927d66e5e381cf4097f8000000feb414", 0x10}], 0x1, 0x0) 2018/03/07 14:40:25 executing program 5: mkdir(&(0x7f000000e000)='./control\x00', 0x0) mount(&(0x7f0000000040)='./control\x00', &(0x7f0000000080)='./control\x00', &(0x7f00000000c0)='rootfs\x00', 0x0, &(0x7f0000000100)) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x101000, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000100)={0x6, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000140)=0x1c) 2018/03/07 14:40:25 executing program 2: pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r1, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0086426, &(0x7f00000000c0)={0x3, &(0x7f0000000080)=[{}, {}, {0x0}]}) ioctl$DRM_IOCTL_UNLOCK(r1, 0x4008642b, &(0x7f0000000100)={r2, 0x29}) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:25 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x18001) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:25 executing program 3: pipe2(&(0x7f0000000100), 0x4000) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x414000, 0x0) ioctl$DRM_IOCTL_MODE_SETCRTC(r1, 0xc06864a2, &(0x7f0000000080)={&(0x7f0000000040)=[0x2, 0x9, 0x3, 0xfffffffffffffffa, 0x10000], 0x5, 0xfffffffffffff40a, 0xffffffffffffff11, 0xfffffffffffffffe, 0x2, 0x7f, {0x9, 0x81, 0x9, 0x400, 0x4, 0x9, 0xff, 0x3, 0x7, 0xffffffffffffffc0, 0x7f, 0x10000, 0x0, 0x1, "b44927fd3a83bfedea2e784b014313033645597b83b546192d2333f1d38fe869"}}) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 52.186501] capability: warning: `syz-executor5' uses deprecated v2 capabilities in a way that may be insecure [ 52.202031] audit: type=1400 audit(1520433625.707:30): avc: denied { getattr } for pid=8237 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 2018/03/07 14:40:25 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc\x00', 0x30400, 0x0) connect$l2tp(r1, &(0x7f0000000080)=@pppol2tpv3={0x18, 0x1, {0x0, r0, {0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x2, 0x3, 0x2}}, 0x2e) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0x7, &(0x7f0000000000), 0x0) 2018/03/07 14:40:25 executing program 6: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) getsockname$netlink(r0, &(0x7f0000000040), &(0x7f0000000100)=0xc) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000140)='/dev/autofs\x00', 0x10040, 0x0) setsockopt$inet6_IPV6_ADDRFORM(r1, 0x29, 0x1, &(0x7f0000000180)=0x2, 0x4) sendmsg$nl_netfilter(r0, &(0x7f00008c5fe4)={&(0x7f0000de2ff4)={0x10, 0x0, 0x0, 0x4108c465}, 0xc, &(0x7f00008b7ff0)={&(0x7f0000000000)=ANY=[@ANYBLOB="1400000007012000000000000000090002040000"], 0x14}, 0x1, 0x0, 0x0, 0x3fffffe}, 0x0) 2018/03/07 14:40:25 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) 2018/03/07 14:40:25 executing program 5: r0 = socket$unix(0x1, 0x5, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffff9c, 0x0, 0x10, &(0x7f0000000140)={{{@in=@loopback, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@dev}}, &(0x7f0000000040)=0xe8) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={"65716c008000000000000100", r1}) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x3, 0xfffffffffffffffd) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0xfffffffffffffee7) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:25 executing program 1: r0 = socket$inet6(0xa, 0x400000002, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='ip6gretap0\x00', 0x10) socketpair$inet6_tcp(0xa, 0x1, 0x0, &(0x7f0000000040)) 2018/03/07 14:40:25 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(0xffffffffffffffff, 0x84, 0x18, &(0x7f0000000040)={0x0, 0x8}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r0, 0x84, 0x5, &(0x7f00000000c0)={r1, @in={{0x2, 0x4e24, @multicast2=0xe0000002}}}, 0x84) recvmmsg(r0, &(0x7f0000005180)=[{{&(0x7f0000000180)=@pppoe={0x0, 0x0, {0x0, @local}}, 0x80, &(0x7f0000000340)=[{&(0x7f0000000200)=""/54, 0x36}, {&(0x7f0000000240)=""/145, 0x91}, {&(0x7f0000000540)=""/232, 0xe8}, {&(0x7f0000000300)=""/44, 0x2c}], 0x4, &(0x7f0000000640)=""/250, 0xfa, 0x800}, 0x8}, {{&(0x7f0000000740)=@in={0x0, 0x0, @dev}, 0x80, &(0x7f0000000380)=[{&(0x7f00000007c0)=""/216, 0xd8}, {&(0x7f00000008c0)=""/103, 0x67}], 0x2, &(0x7f0000000940)=""/225, 0xe1, 0xe1}, 0x200}, {{&(0x7f0000000a40)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @dev}}}, 0x80, &(0x7f0000002100)=[{&(0x7f0000000ac0)=""/4096, 0x1000}, {&(0x7f0000001ac0)=""/175, 0xaf}, {&(0x7f0000001b80)=""/9, 0x9}, {&(0x7f0000001bc0)=""/80, 0x50}, {&(0x7f0000001c40)=""/84, 0x54}, {&(0x7f0000001cc0)=""/223, 0xdf}, {&(0x7f0000001dc0)=""/116, 0x74}, {&(0x7f0000001e40)=""/168, 0xa8}, {&(0x7f0000001f00)=""/254, 0xfe}, {&(0x7f0000002000)=""/235, 0xeb}], 0xa, 0x0, 0x0, 0x66e}, 0x6}, {{&(0x7f0000002180)=@ipx, 0x80, &(0x7f0000002280)=[{&(0x7f0000002200)=""/22, 0x16}, {&(0x7f0000002240)=""/43, 0x2b}], 0x2, &(0x7f00000022c0)=""/238, 0xee, 0x8}}, {{&(0x7f00000023c0)=@can, 0x80, &(0x7f0000002500)=[{&(0x7f0000002440)=""/24, 0x18}, {&(0x7f0000002480)=""/107, 0x6b}], 0x2, &(0x7f0000002540)=""/4096, 0x1000, 0x6d35}, 0x3f}, {{&(0x7f0000003540)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @remote}}}, 0x80, &(0x7f0000003640)=[{&(0x7f00000035c0)=""/69, 0x45}], 0x1, 0x0, 0x0, 0xab}, 0x325}, {{&(0x7f0000003680)=@pppoe={0x0, 0x0, {0x0, @empty}}, 0x80, &(0x7f0000003b80)=[{&(0x7f0000003700)=""/214, 0xd6}, {&(0x7f0000003800)=""/246, 0xf6}, {&(0x7f0000003900)=""/199, 0xc7}, {&(0x7f0000003a00)=""/25, 0x19}, {&(0x7f0000003a40)=""/60, 0x3c}, {&(0x7f0000003a80)=""/200, 0xc8}], 0x6, &(0x7f0000003bc0)=""/79, 0x4f, 0x5}}, {{&(0x7f0000003c40)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @loopback}}}, 0x80, &(0x7f0000003d80)=[{&(0x7f0000003cc0)=""/49, 0x31}, {&(0x7f0000003d00)=""/1, 0x1}, {&(0x7f0000003d40)=""/32, 0x20}], 0x3, &(0x7f0000003dc0)=""/47, 0x2f, 0x2}, 0x2}, {{0x0, 0x0, &(0x7f0000004140)=[{&(0x7f0000003e00)=""/127, 0x7f}, {&(0x7f0000003e80)}, {&(0x7f0000003ec0)=""/166, 0xa6}, {&(0x7f0000003f80)=""/197, 0xc5}, {&(0x7f0000004080)=""/181, 0xb5}], 0x5, &(0x7f0000004180)=""/4096, 0x1000, 0xffff}, 0x3}], 0x9, 0x40000000, &(0x7f00000052c0)={0x0, 0x1c9c380}) ioctl$void(r2, 0xc0045878) setsockopt$bt_BT_VOICE(r3, 0x112, 0xb, &(0x7f0000005300)=0xaaa, 0x2) 2018/03/07 14:40:25 executing program 4: capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000702000)) getgroups(0x2, &(0x7f0000000040)=[0xffffffffffffffff, 0xffffffffffffffff]) setresgid(0x0, 0x0, r0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/policy\x00', 0x0, 0x0) accept4$packet(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000000100)=0x14, 0x80000) 2018/03/07 14:40:25 executing program 5: r0 = syz_open_dev$sndseq(&(0x7f0000e6bff3)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r0, 0xc0105303, &(0x7f00007d9000)={0x0, 0x0, 0x3f}) pwrite64(r0, &(0x7f0000000000)="d232c29115a72869eb0ba46f74ec73c5f56a7a0429e2cbe03bf9959b4f9aa89ef5edb542ebd9b585bb13a7ce6079382977677d5a1df51c6cdb68ba90ed9d5ad1b69b159f0eb66e8b73286f9971beedde53f679d49bf7d19defd3d4d81baabf61e62a36f0a5f1f4aa7d79a9f714d9a897b03030f253fdfa65f0a9f5bef08df200ac789797", 0x84, 0x0) 2018/03/07 14:40:25 executing program 0: socketpair$unix(0x1, 0x7, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) sendmsg(r0, &(0x7f0000000300)={&(0x7f0000000080)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x4e20, @loopback=0x7f000001}, 0x0, 0x4, 0x4, 0x4}}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000100)="2bc27ac71948123c187119dab6b5eeb6fb8ec5770d5f28fb0282b15fc4f7f8535c7984daea800ddc34622c16f3105143a8d9dcff4cbdb5f32d82735aec5f0a1db118012bb1207bdd2a3f253933a637cb76f68780d246bdf1dbea", 0x5a}, {&(0x7f0000000180)="7eae9331a69f7076d42493159ead94aa7f65f9594938083ae28454c69269a28335999bc383bb8f82a49e993483ca29d865ec0c18b5eafa6ac5696c47463425a89563789859c26c83fe495a57", 0x4c}], 0x2, &(0x7f0000000240)=[{0x90, 0x109, 0x7, "8b9ec2d5cb8ac7c6c571c517002cac38de1e506936251288333a4ba7964814395a5fbeeb6e9804acc9f7c59dff677dc3c191992d3381fb6bda3b48912a59aca1b6dd9d47293fb9087176e55af0210ec1a2a3686d0d7737bf6ea48964fc68b1e12e3d0d3404f4b620071a3546d3b4d24e8e714931d0857bb83665edc468be44875f56bc"}], 0x90, 0x8010}, 0x1) keyctl$update(0x2, 0x0, 0x0, 0x1b8) r2 = syz_open_dev$binder(&(0x7f0000e5a000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r3 = add_key$keyring(&(0x7f0000000440)='keyring\x00', &(0x7f0000000480)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000380)='ceph\x00', &(0x7f00000003c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000400)='/dev/binder#\x00', r3) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x20011, r2, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r2, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f0000007fd0)={0x16, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="007f69d3ec499cb9af00000000010000000000000000"], 0x0, 0x0, &(0x7f000084b000)}) 2018/03/07 14:40:25 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x77, &(0x7f0000000000)={0x0, 0x4, 0x2, [0x6, 0x5]}, &(0x7f0000000040)=0xc) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000000080)=@sack_info={r1, 0x1, 0x1}, &(0x7f00000000c0)=0xc) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000100)="7369513000eb000001000000400000ea", 0xfffffffffffffde6) ioctl$sock_SIOCSIFBR(r0, 0x8941, &(0x7f0000000140)=@generic={0x8, 0x6, 0x3f}) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:25 executing program 7: r0 = creat(&(0x7f0000000140)='./file0\x00', 0x1) bind$netrom(r0, &(0x7f0000000180)=@full={{0x3, {"cf21f194d35487"}}, [{"31f60a89fe7755"}, {"0420f85d6cb95d"}, {"c76642a2802830"}, {"1862768630f5f5"}, {"543a527c88e435"}, {"51b0a4c93f71e1"}, {"c31c6cd78fb382"}, {"7856afb7e15edd"}]}, 0x48) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = accept4(r1, &(0x7f0000000040)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, &(0x7f00000000c0)=0x80, 0x80000) getsockopt$nfc_llcp(r2, 0x118, 0x0, &(0x7f0000000100)=""/43, 0x2b) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f00000003c0)={0x0, 0xf3, "789151213c30ce5ddd8becea9cc782255b159543c672dbd820acdd5a42b850b3facb6a2c5f0a8dc27464e129033f359c8a4748b8c3f3b040d9e6a512b254b29ce5657cc2f5551c40edaea4764d277f299b9b24f11042d86d15a014a88c600ac683abacf67892e2ac9e70beae987b4320872cfe801bf33a110f82c5cbd657bfef470d14926ba65127433a55b782ce9415c6d64d9f2b079ecf529290e108d2c94a1887c8f506c96248163874fc20054f07db551b3b0b724f84d9dcdaeea145efc66d05fc5737bf93a80f1cd9fc5db859f50a946f8bb697347c91200d7caac80304abd9a4259abfba562e7f3f36919ef9d1d992a5"}, &(0x7f0000000740)=0xfb) fcntl$getownex(r1, 0x10, &(0x7f0000000800)={0x0, 0x0}) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000880)={'ip6tnl0\x00', {0x2, 0x4e24, @multicast2=0xe0000002}}) ptrace$getsig(0x4202, r4, 0x4, &(0x7f0000000840)) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000780)={0x800, 0x8001, 0x7, 0x3f, r3}, &(0x7f00000007c0)=0x10) sendmmsg(r1, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="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"], 0xc2}}], 0x2, 0x0) openat$selinux_member(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/member\x00', 0x2, 0x0) ioctl$PPPIOCGL2TPSTATS(r2, 0x80487436, &(0x7f0000000cc0)="67739c721dbe384ae4b15e692c0e32be22f8ffb04067d554405f1180d273f93f2190d866173c69567a37d7c17def56c0563314203d43fa0d6d9b5c31dfdc77d3be847895e3d88577ead3ccde98f81acc2acb489b2cc19304cd1c5780d362605fe192505f3d1eca298587966a35c382f143a8a521cf04f11ec2712317d0c589775909e5cc4258e0a95d8a63c6289d3bd90010dceb2b883b6c121006eeaf6e11efbc68a540f06b94b1313cdd74fdca9ccb36798b37580eece43ee5431954fbcd6ec2f6ccd60861d6a53d7b4b98d9052662fad40cf4") openat$sequencer(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer\x00', 0x80800, 0x0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000980)=0x7, 0x4) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000280)=0x0) lstat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000380)={r5, r6, r7}, 0xc) 2018/03/07 14:40:25 executing program 5: r0 = syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'vlan0\x00', 0x32}) mmap(&(0x7f0000000000/0x53000)=nil, 0x53000, 0x0, 0x32, r0, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000080)={{{@in6=@remote, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in=@empty}}, &(0x7f0000000180)=0xe8) ioprio_get$uid(0x3, r1) ioctl$TUNSETVNETHDRSZ(r0, 0x400454d8, &(0x7f0000000040)) 2018/03/07 14:40:25 executing program 1: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x40042, 0x0) sendmsg$nl_netfilter(r0, &(0x7f0000000180)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000400}, 0xc, &(0x7f0000000140)={&(0x7f0000000540)=ANY=[@ANYBLOB="24000000030b01042cbd7000fddbdf250c00000510040300f65800004d0104000000004a3900f7fc0b03026c4a97dbf767135b7e2b86541a9a50f6e9489242d7e7eb244224009c529690cb441cca59a480d57351a1fcc6fe9ed307288265b0d11185f071b0ce717c63db2fef5a56c5f5080dba87bbcaaedf66b3bf15186362a32c9377900e0c7b8cc8bdbc221e54b5a1d7255e03a38165e5ff4c7df8b12ae79781efe81bbe64127332843df7a7662b53cd5c118bd8897772be317db17e6887708c4171bd36771983fb4e26f6701677574d63656919f0a3732471a93df2701b88980c1f5f"], 0x24}, 0x1, 0x0, 0x0, 0x24000040}, 0x4000850) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r0, 0x84, 0x6, &(0x7f00000001c0)={0x0, @in6={{0xa, 0x4e21, 0x4, @dev={0xfe, 0x80, [], 0x16}, 0x2}}}, &(0x7f0000000280)=0x84) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(r0, 0x84, 0x70, &(0x7f00000002c0)={r1, @in6={{0xa, 0x4e23, 0x2, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x6}}, [0x68b, 0x3ff, 0x8, 0x20, 0xffffffffffffff2c, 0x7, 0x4, 0x200, 0x9, 0x6, 0x1, 0x40, 0x1, 0xfff, 0x9]}, &(0x7f00000003c0)=0x100) getsockopt$IPT_SO_GET_INFO(r0, 0x0, 0x40, &(0x7f00000004c0)={'security\x00'}, &(0x7f0000000100)=0x54) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000080)='loginuid\x00') fcntl$setownex(r2, 0xf, &(0x7f0000000040)={0x0, 0xffffffffffffffff}) 2018/03/07 14:40:25 executing program 4: socketpair$inet6_icmp(0xa, 0x2, 0x3a, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000040)) socketpair$unix(0x1, 0x3, 0x0, &(0x7f00007e5000)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000)=[], 0x80, 0x0) dup3(r1, r2, 0x0) connect$unix(r1, &(0x7f00006edffb)=@file={0x0, './file0\x00'}, 0xa) 2018/03/07 14:40:25 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000469ffc)=0x100, 0x4) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20, @empty}, 0x10) r1 = fcntl$dupfd(r0, 0x0, r0) recvfrom$inet(r0, &(0x7f0000eeff8d)=""/115, 0x73, 0x12041, &(0x7f0000898ff0)={0x2, 0x4e20, @rand_addr}, 0x10) unshare(0x8000400) r2 = mq_open(&(0x7f0000000000)='*GPL[vmnet1@vmnet1{-vmnet@vboxnet0!vboxnet1+M\x00', 0x6e93ebbbcc0884ef, 0x0, &(0x7f0000664fc0)={0x0, 0x7, 0x2}) r3 = epoll_create(0x1f) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f00000000c0)) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000f67ff4)={0x4}) bind$ax25(r1, &(0x7f0000000080)={0x3, {"8a05fa97595eac"}, 0x2}, 0x10) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000000040)) getsockopt$inet_dccp_int(r1, 0x21, 0x11, &(0x7f0000000180), &(0x7f00000001c0)=0x4) ppoll(&(0x7f0000489fb8)=[{r3}], 0x1, &(0x7f0000377000), &(0x7f0000447ff8), 0x8) ioctl$sock_netrom_SIOCGSTAMPNS(r1, 0x8906, &(0x7f0000ef6ffc)) ioctl$sock_FIOGETOWN(r3, 0x8903, &(0x7f0000000200)) mq_open(&(0x7f0000000100)='\'\x00', 0xc0, 0x0, &(0x7f0000000140)={0x2, 0xc88b, 0xfff, 0x0, 0x10001, 0x7f, 0x6, 0x9}) 2018/03/07 14:40:25 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) ioctl$sock_inet_SIOCGARP(r0, 0x8954, &(0x7f0000000000)={{0x2, 0x4e23, @loopback=0x7f000001}, {0x1, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}}, 0x8, {0x2, 0x9, @loopback=0x7f000001}, 'erspan0\x00'}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hwrng\x00', 0x2000, 0x0) write$selinux_load(r1, &(0x7f0000000100)={0xf97cff8c, 0x8, 'SE Linux', "e02c5b6b878e97c2e49d952deda3e15a43333b11c40406c493c98d84b47d72559d0f6c05925270802a0a83c84d53170d39f07f4285d9b6d6a6c942dc1ed02494344d72b5cd8d46d1b675e577bdae329fbf6272f95f508cd5dc0acf6a1458bbe971237df1aa7af0afdbe3f717dc7d40234386da4c26d16678cc718bf760ec17b0d0a156eb56393b85b436bed99db562cd8ad7c5ead1752c652c346d82f74a48a527164fea2373413ba9257026"}, 0xbc) bind$inet(r0, &(0x7f00000000c0)={0x2, 0x4e24, @multicast2=0xe0000002}, 0x10) 2018/03/07 14:40:25 executing program 4: seccomp(0x1, 0x1, &(0x7f0000000ff0)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xfffffffffffffffb}]}) timer_create(0x3, &(0x7f0000366000)={0x0, 0x21, 0x0, @tid}, &(0x7f0000aef000)) seccomp(0x1, 0x0, &(0x7f0000e8c000)={0x1, &(0x7f0000000000)=[{0x6}]}) timer_delete(0x0) 2018/03/07 14:40:25 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:25 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000280)='/dev/vga_arbiter\x00', 0x2004, 0x0) setsockopt$bt_l2cap_L2CAP_LM(r1, 0x6, 0x3, &(0x7f0000000100)=0x69, 0x4) inotify_add_watch(r1, &(0x7f0000000140)='./file0\x00', 0x8) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) recvfrom$unix(r1, &(0x7f0000000080)=""/36, 0x24, 0x20, 0x0, 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f00000db000)='afs\x00', 0x1400, &(0x7f000000a000)) chroot(&(0x7f00000000c0)='./file0\x00') clone(0x10020000, &(0x7f0000000380), &(0x7f00000001c0), &(0x7f0000000340), &(0x7f0000000240)) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 52.401990] binder: 8326:8328 ioctl c0306201 20007fd0 returned -14 [ 52.418326] syz-executor2: [ 52.421161] binder: BINDER_SET_CONTEXT_MGR already set [ 52.421170] binder: 8326:8344 ioctl 40046207 0 returned -16 [ 52.444230] vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 52.452904] CPU: 0 PID: 8351 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 52.460415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.469758] ffff8801cb54f8a8 ffffffff81d956f9 1ffff100396a9f18 ffff8801cb76e000 [ 52.477791] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cb54f9b8 [ 52.485801] ffffffff81451c92 024000c2cb54f8f8 0000000041b58ab3 ffffffff84195b35 [ 52.493826] Call Trace: [ 52.496399] [] dump_stack+0xc1/0x128 [ 52.501754] [] warn_alloc+0x212/0x240 [ 52.507200] [] ? zone_watermark_ok_safe+0x280/0x280 [ 52.513862] [] ? avc_has_perm+0xb0/0x4f0 [ 52.519568] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 52.526060] [] __vmalloc_node_range+0x3f5/0x5f0 [ 52.532377] [] ? check_preemption_disabled+0x3b/0x200 [ 52.539215] [] ? task_has_security+0x130/0x270 [ 52.545433] [] vmalloc+0x5b/0x70 [ 52.550424] [] ? sel_write_load+0x130/0xfd0 [ 52.556368] [] sel_write_load+0x130/0xfd0 [ 52.562139] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 52.569038] [] ? futex_wake+0x146/0x440 [ 52.574637] [] ? sel_read_bool+0x250/0x250 [ 52.580491] [] ? sel_read_bool+0x250/0x250 [ 52.586358] [] __vfs_write+0x103/0x680 [ 52.591867] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 52.598336] [] ? __might_sleep+0x95/0x1a0 [ 52.604118] [] ? __lock_is_held+0xa1/0xf0 [ 52.609893] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 52.616705] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 52.623257] [] ? __sb_start_write+0x14a/0x310 [ 52.629373] [] vfs_write+0x189/0x530 [ 52.634717] [] SyS_pwrite64+0x13f/0x170 [ 52.640337] [] ? SyS_pread64+0x170/0x170 [ 52.646018] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 52.652134] [] sys32_pwrite+0x39/0x50 [ 52.657552] [] ? sys32_pread+0x50/0x50 [ 52.663063] [] do_fast_syscall_32+0x2f5/0x870 [ 52.669184] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.675826] [] entry_SYSENTER_compat+0x90/0xa2 [ 52.683456] Mem-Info: [ 52.685939] active_anon:56293 inactive_anon:43 isolated_anon:0 [ 52.685939] active_file:3482 inactive_file:8583 isolated_file:0 [ 52.685939] unevictable:0 dirty:303 writeback:0 unstable:0 [ 52.685939] slab_reclaimable:6722 slab_unreclaimable:59106 [ 52.685939] mapped:23811 shmem:50 pagetables:626 bounce:0 [ 52.685939] free:1473125 free_pcp:466 free_cma:0 [ 52.722085] Node 0 active_anon:212804kB inactive_anon:172kB active_file:13928kB inactive_file:34332kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95244kB dirty:1216kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 52.751787] 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 [ 52.781280] lowmem_reserve[]: 0 2908 6410 6410 [ 52.786454] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 52.817658] lowmem_reserve[]: 0 0 3501 3501 [ 52.822552] Normal free:2909680kB min:36824kB low:46028kB high:55232kB active_anon:212804kB inactive_anon:172kB active_file:13928kB inactive_file:34332kB unevictable:0kB writepending:1216kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26792kB slab_unreclaimable:235976kB kernel_stack:5408kB pagetables:2504kB bounce:0kB free_pcp:1116kB local_pcp:740kB free_cma:0kB [ 52.858366] lowmem_reserve[]: 0 0 0 0 [ 52.862747] 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 [ 52.878043] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB 2018/03/07 14:40:26 executing program 0: socketpair$unix(0x1, 0x7, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) sendmsg(r0, &(0x7f0000000300)={&(0x7f0000000080)=@pppol2tpv3={0x18, 0x1, {0x0, r1, {0x2, 0x4e20, @loopback=0x7f000001}, 0x0, 0x4, 0x4, 0x4}}, 0x80, &(0x7f0000000200)=[{&(0x7f0000000100)="2bc27ac71948123c187119dab6b5eeb6fb8ec5770d5f28fb0282b15fc4f7f8535c7984daea800ddc34622c16f3105143a8d9dcff4cbdb5f32d82735aec5f0a1db118012bb1207bdd2a3f253933a637cb76f68780d246bdf1dbea", 0x5a}, {&(0x7f0000000180)="7eae9331a69f7076d42493159ead94aa7f65f9594938083ae28454c69269a28335999bc383bb8f82a49e993483ca29d865ec0c18b5eafa6ac5696c47463425a89563789859c26c83fe495a57", 0x4c}], 0x2, &(0x7f0000000240)=[{0x90, 0x109, 0x7, "8b9ec2d5cb8ac7c6c571c517002cac38de1e506936251288333a4ba7964814395a5fbeeb6e9804acc9f7c59dff677dc3c191992d3381fb6bda3b48912a59aca1b6dd9d47293fb9087176e55af0210ec1a2a3686d0d7737bf6ea48964fc68b1e12e3d0d3404f4b620071a3546d3b4d24e8e714931d0857bb83665edc468be44875f56bc"}], 0x90, 0x8010}, 0x1) keyctl$update(0x2, 0x0, 0x0, 0x1b8) r2 = syz_open_dev$binder(&(0x7f0000e5a000)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r3 = add_key$keyring(&(0x7f0000000440)='keyring\x00', &(0x7f0000000480)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffe) request_key(&(0x7f0000000380)='ceph\x00', &(0x7f00000003c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000400)='/dev/binder#\x00', r3) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, 0x20011, r2, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r2, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f0000007fd0)={0x16, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="007f69d3ec499cb9af00000000010000000000000000"], 0x0, 0x0, &(0x7f000084b000)}) 2018/03/07 14:40:26 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x10000, 0x0) ioctl$PIO_FONTX(r1, 0x4b6c, &(0x7f0000000080)="7019c7a9840e01ece0bc5f6ef97b610e96d7c5410b958f94d9a812713e4c8a1a759d6997565afad36bea569b8566783410b2371bd0570d4b6cf47bcd4f9aa69f96b2dceea99c3df6b7ef3f5e923510a6657ce5bc7935467a9a1263568f07d778f6539c19c7a3c682e514e41cf4414b8ea38ed32fbda8308fead4cbe817c39621e3578069c6845b0d5b232d4dc910153c08ee5542b1d03a7cad523c414ff0955ec22c1d6b2a6bcaa580b4dec13d294ec5d6a8af095d42e8dd2092") ioctl$KDMKTONE(r1, 0x4b30, 0x8) 2018/03/07 14:40:26 executing program 1: r0 = creat(&(0x7f0000000140)='./file0\x00', 0x1) bind$netrom(r0, &(0x7f0000000180)=@full={{0x3, {"cf21f194d35487"}}, [{"31f60a89fe7755"}, {"0420f85d6cb95d"}, {"c76642a2802830"}, {"1862768630f5f5"}, {"543a527c88e435"}, {"51b0a4c93f71e1"}, {"c31c6cd78fb382"}, {"7856afb7e15edd"}]}, 0x48) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = accept4(r1, &(0x7f0000000040)=@pppol2tp={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, &(0x7f00000000c0)=0x80, 0x80000) getsockopt$nfc_llcp(r2, 0x118, 0x0, &(0x7f0000000100)=""/43, 0x2b) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f00000003c0)={0x0, 0xf3, "789151213c30ce5ddd8becea9cc782255b159543c672dbd820acdd5a42b850b3facb6a2c5f0a8dc27464e129033f359c8a4748b8c3f3b040d9e6a512b254b29ce5657cc2f5551c40edaea4764d277f299b9b24f11042d86d15a014a88c600ac683abacf67892e2ac9e70beae987b4320872cfe801bf33a110f82c5cbd657bfef470d14926ba65127433a55b782ce9415c6d64d9f2b079ecf529290e108d2c94a1887c8f506c96248163874fc20054f07db551b3b0b724f84d9dcdaeea145efc66d05fc5737bf93a80f1cd9fc5db859f50a946f8bb697347c91200d7caac80304abd9a4259abfba562e7f3f36919ef9d1d992a5"}, &(0x7f0000000740)=0xfb) fcntl$getownex(r1, 0x10, &(0x7f0000000800)={0x0, 0x0}) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000880)={'ip6tnl0\x00', {0x2, 0x4e24, @multicast2=0xe0000002}}) ptrace$getsig(0x4202, r4, 0x4, &(0x7f0000000840)) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000780)={0x800, 0x8001, 0x7, 0x3f, r3}, &(0x7f00000007c0)=0x10) sendmmsg(r1, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="10000000290000004300a931a80000160fdf084be2848271ffb85d9569cae7d05c39990630d014f07a44610e2e42578041ac003a05fa6ef297503b97db2fb2f50ddd2d96f73cecffffff00404000990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66bbf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb0000000000000000000000000000008a7549f4d17747ba17359721a868e4cf3f568668aef9d6e548ccd522ad22fdd6fe76ef0f59f30269c700b9f5c69fa46844fe4f944bfc2d941b66b066cf8ba3444948da8ef876913ebfd3d539578067709c87aa975fabb39b34e9dc8cd08860ff191239cb6fcce1904b6f75daa06fcbb61475cf41c574380938c24b4654b175aa93edbaaa86cb67b516c0920731af698ae8af8780f6b524889bc926669c56e5024c2156feae85a04594a75472696b7cad2bf63c14fd34b9f0ef8f09bafca67f7c4c6e0e8aee48718835df6eea875a93d1d6d31f95b0064d4e38a7ec88b6415e142b34f3a060883d4970aa8a5bd07eb2422192b0a4a38608fe5d98e919d048e03425e855fdad312e7a630e85641e3700000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) openat$selinux_member(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/member\x00', 0x2, 0x0) ioctl$PPPIOCGL2TPSTATS(r2, 0x80487436, &(0x7f0000000cc0)="67739c721dbe384ae4b15e692c0e32be22f8ffb04067d554405f1180d273f93f2190d866173c69567a37d7c17def56c0563314203d43fa0d6d9b5c31dfdc77d3be847895e3d88577ead3ccde98f81acc2acb489b2cc19304cd1c5780d362605fe192505f3d1eca298587966a35c382f143a8a521cf04f11ec2712317d0c589775909e5cc4258e0a95d8a63c6289d3bd90010dceb2b883b6c121006eeaf6e11efbc68a540f06b94b1313cdd74fdca9ccb36798b37580eece43ee5431954fbcd6ec2f6ccd60861d6a53d7b4b98d9052662fad40cf4") openat$sequencer(0xffffffffffffff9c, &(0x7f0000000240)='/dev/sequencer\x00', 0x80800, 0x0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000980)=0x7, 0x4) ioctl$sock_FIOGETOWN(r1, 0x8903, &(0x7f0000000280)=0x0) lstat(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000380)={r5, r6, r7}, 0xc) 2018/03/07 14:40:26 executing program 3: r0 = socket$inet(0x2, 0x4000000000000003, 0x1) r1 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x5856, 0x0) ioctl$PIO_UNIMAP(r1, 0x4b67, &(0x7f0000000240)={0x8, &(0x7f0000000200)=[{0x1, 0x5}, {0x10000000, 0x80}, {0x3f, 0x5}, {0x2, 0x8}, {0x1, 0x7}, {0x4, 0x7fff}, {0x731, 0xfffffffffffffff8}, {0xff, 0x800}]}) fstat(r1, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f00000003c0)='./file0\x00', &(0x7f0000000400)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchownat(r1, &(0x7f0000000300)='./file0\x00', r2, r3, 0x800) ioctl$sock_inet6_udp_SIOCOUTQ(r1, 0x5411, &(0x7f0000000080)) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000000c0)='ifb0\x00', 0x347) pipe2(&(0x7f0000000040)={0xffffffffffffffff}, 0x4800) getdents64(r4, &(0x7f0000000100)=""/247, 0xf7) utimes(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)={{0x77359400}, {0x0, 0x7530}}) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:26 executing program 5: r0 = syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000240)={'vlan0\x00', 0x32}) mmap(&(0x7f0000000000/0x53000)=nil, 0x53000, 0x0, 0x32, r0, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f0000000080)={{{@in6=@remote, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast2}, 0x0, @in=@empty}}, &(0x7f0000000180)=0xe8) ioprio_get$uid(0x3, r1) ioctl$TUNSETVNETHDRSZ(r0, 0x400454d8, &(0x7f0000000040)) 2018/03/07 14:40:26 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000080)="0000000100000001667300ac") fchdir(r0) socket$unix(0x1, 0x3, 0x0) syz_fuseblk_mount(&(0x7f0000000040)='./file0\x00', &(0x7f0000dd3ff8)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) fcntl$addseals(r0, 0x409, 0x2) 2018/03/07 14:40:26 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:26 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000469ffc)=0x100, 0x4) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20, @empty}, 0x10) r1 = fcntl$dupfd(r0, 0x0, r0) recvfrom$inet(r0, &(0x7f0000eeff8d)=""/115, 0x73, 0x12041, &(0x7f0000898ff0)={0x2, 0x4e20, @rand_addr}, 0x10) unshare(0x8000400) r2 = mq_open(&(0x7f0000000000)='*GPL[vmnet1@vmnet1{-vmnet@vboxnet0!vboxnet1+M\x00', 0x6e93ebbbcc0884ef, 0x0, &(0x7f0000664fc0)={0x0, 0x7, 0x2}) r3 = epoll_create(0x1f) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f00000000c0)) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000f67ff4)={0x4}) bind$ax25(r1, &(0x7f0000000080)={0x3, {"8a05fa97595eac"}, 0x2}, 0x10) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000000040)) getsockopt$inet_dccp_int(r1, 0x21, 0x11, &(0x7f0000000180), &(0x7f00000001c0)=0x4) ppoll(&(0x7f0000489fb8)=[{r3}], 0x1, &(0x7f0000377000), &(0x7f0000447ff8), 0x8) ioctl$sock_netrom_SIOCGSTAMPNS(r1, 0x8906, &(0x7f0000ef6ffc)) ioctl$sock_FIOGETOWN(r3, 0x8903, &(0x7f0000000200)) mq_open(&(0x7f0000000100)='\'\x00', 0xc0, 0x0, &(0x7f0000000140)={0x2, 0xc88b, 0xfff, 0x0, 0x10001, 0x7f, 0x6, 0x9}) 2018/03/07 14:40:26 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x109000) utimensat(r1, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)={{}, {0x0, 0x2710}}, 0x0) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) [ 52.895462] Normal: 207*4kB (UME) 144*8kB (UME) 155*16kB (UME) 101*32kB (UM) 162*64kB (UM) 22*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 9*2048kB (UM) 697*4096kB (M) = 2909580kB [ 52.915091] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 52.923660] 12115 total pagecache pages [ 52.927632] 0 pages in swap cache [ 52.931062] Swap cache stats: add 0, delete 0, find 0/0 [ 52.936407] Free swap = 0kB [ 52.939414] Total swap = 0kB [ 52.942408] 1965969 pages RAM [ 52.945479] 0 pages HighMem/MovableOnly [ 52.949452] 320510 pages reserved [ 52.987000] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 52.997343] CPU: 0 PID: 8374 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 53.004866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.014211] ffff8801c9ef78a8 ffffffff81d956f9 1ffff100393def18 ffff8801cb334800 [ 53.022213] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c9ef79b8 [ 53.030234] ffffffff81451c92 024000c2c9ef78f8 0000000041b58ab3 ffffffff84195b35 [ 53.038223] Call Trace: [ 53.040790] [] dump_stack+0xc1/0x128 [ 53.046128] [] warn_alloc+0x212/0x240 [ 53.051553] [] ? zone_watermark_ok_safe+0x280/0x280 [ 53.058197] [] ? avc_has_perm+0xb0/0x4f0 [ 53.063889] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 53.070358] [] __vmalloc_node_range+0x3f5/0x5f0 [ 53.076658] [] ? check_preemption_disabled+0x3b/0x200 [ 53.083481] [] ? task_has_security+0x130/0x270 [ 53.089692] [] vmalloc+0x5b/0x70 [ 53.094679] [] ? sel_write_load+0x130/0xfd0 [ 53.100621] [] sel_write_load+0x130/0xfd0 [ 53.106391] [] ? sel_read_bool+0x250/0x250 [ 53.112249] [] ? sel_read_bool+0x250/0x250 [ 53.118103] [] __vfs_write+0x103/0x680 [ 53.123610] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 53.130072] [] ? __might_sleep+0x95/0x1a0 [ 53.135842] [] ? __lock_is_held+0xa1/0xf0 [ 53.141611] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 53.148424] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 53.154981] [] ? __sb_start_write+0x14a/0x310 [ 53.161113] [] vfs_write+0x189/0x530 [ 53.166451] [] SyS_pwrite64+0x13f/0x170 [ 53.172054] [] ? SyS_pread64+0x170/0x170 [ 53.177742] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 53.183856] [] sys32_pwrite+0x39/0x50 [ 53.189277] [] ? sys32_pread+0x50/0x50 [ 53.194787] [] do_fast_syscall_32+0x2f5/0x870 [ 53.200902] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.207545] [] entry_SYSENTER_compat+0x90/0xa2 [ 53.215618] Mem-Info: [ 53.218268] active_anon:53727 inactive_anon:43 isolated_anon:0 [ 53.218268] active_file:3482 inactive_file:8586 isolated_file:0 [ 53.218268] unevictable:0 dirty:308 writeback:0 unstable:0 [ 53.218268] slab_reclaimable:6706 slab_unreclaimable:59081 [ 53.218268] mapped:23806 shmem:50 pagetables:609 bounce:0 [ 53.218268] free:1475601 free_pcp:461 free_cma:0 [ 53.225501] binder: 8361:8373 ioctl c0306201 20007fd0 returned -14 [ 53.257864] Node 0 active_anon:212784kB inactive_anon:172kB active_file:13928kB inactive_file:34344kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95180kB dirty:1236kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 71680kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 53.287295] 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 [ 53.316667] lowmem_reserve[]: 0 2908 6410 6410 [ 53.321986] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 53.353267] lowmem_reserve[]: 0 0 3501 3501 [ 53.358216] Normal free:2909896kB min:36824kB low:46028kB high:55232kB active_anon:212792kB inactive_anon:172kB active_file:13944kB inactive_file:34336kB unevictable:0kB writepending:1252kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26848kB slab_unreclaimable:235872kB kernel_stack:5376kB pagetables:2436kB bounce:0kB free_pcp:996kB local_pcp:352kB free_cma:0kB [ 53.392061] lowmem_reserve[]: 0 0 0 0 [ 53.396435] 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 [ 53.411736] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB 2018/03/07 14:40:27 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r0, 0x84, 0x20, &(0x7f0000000000), &(0x7f0000000040)=0x4) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:27 executing program 1: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000469ffc)=0x100, 0x4) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20, @empty}, 0x10) r1 = fcntl$dupfd(r0, 0x0, r0) recvfrom$inet(r0, &(0x7f0000eeff8d)=""/115, 0x73, 0x12041, &(0x7f0000898ff0)={0x2, 0x4e20, @rand_addr}, 0x10) unshare(0x8000400) r2 = mq_open(&(0x7f0000000000)='*GPL[vmnet1@vmnet1{-vmnet@vboxnet0!vboxnet1+M\x00', 0x6e93ebbbcc0884ef, 0x0, &(0x7f0000664fc0)={0x0, 0x7, 0x2}) r3 = epoll_create(0x1f) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f00000000c0)) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000f67ff4)={0x4}) bind$ax25(r1, &(0x7f0000000080)={0x3, {"8a05fa97595eac"}, 0x2}, 0x10) epoll_ctl$EPOLL_CTL_MOD(r3, 0x3, r2, &(0x7f0000000040)) getsockopt$inet_dccp_int(r1, 0x21, 0x11, &(0x7f0000000180), &(0x7f00000001c0)=0x4) ppoll(&(0x7f0000489fb8)=[{r3}], 0x1, &(0x7f0000377000), &(0x7f0000447ff8), 0x8) ioctl$sock_netrom_SIOCGSTAMPNS(r1, 0x8906, &(0x7f0000ef6ffc)) ioctl$sock_FIOGETOWN(r3, 0x8903, &(0x7f0000000200)) mq_open(&(0x7f0000000100)='\'\x00', 0xc0, 0x0, &(0x7f0000000140)={0x2, 0xc88b, 0xfff, 0x0, 0x10001, 0x7f, 0x6, 0x9}) 2018/03/07 14:40:27 executing program 4: r0 = syz_open_dev$sg(&(0x7f0000001000)='/dev/sg#\x00', 0x0, 0x2402) mmap(&(0x7f0000299000/0x2000)=nil, 0x2000, 0x3, 0x11, r0, 0x0) socket$inet_icmp_raw(0x2, 0x3, 0x1) openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) clock_gettime(0x0, &(0x7f0000299000)) clock_gettime(0x0, &(0x7f0000000100)) bind$pptp(r0, &(0x7f0000000000)={0x18, 0x2, {0x1, @local={0xac, 0x14, 0x14, 0xaa}}}, 0x1e) getsockopt$bt_BT_POWER(r0, 0x112, 0x9, &(0x7f0000000040)=0x8, &(0x7f0000000080)=0x1) 2018/03/07 14:40:27 executing program 5: mkdir(&(0x7f0000afbff8)='./file0\x00', 0x0) r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000900)='/dev/hwrng\x00', 0x101000, 0x0) mkdirat(r0, &(0x7f0000000940)='./bus\x00', 0x40) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x800000, &(0x7f0000b75000)) chdir(&(0x7f0000f95000)='./file0\x00') r1 = open(&(0x7f0000000080)='./bus\x00', 0x40000, 0x140) ftruncate(r1, 0x8000) r2 = getpgid(0xffffffffffffffff) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000400)=ANY=[@ANYRES32], &(0x7f0000000300)=0x1) r3 = open(&(0x7f00002bd93e)='./bus\x00', 0x141042, 0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r3, 0x10e, 0x2, &(0x7f0000000780)=0x15, 0x4) r4 = add_key(&(0x7f00000007c0)='rxrpc_s\x00', &(0x7f0000000800)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000000840)="f55d79c36d5ebbfd858ec817218826428fce86557afb0e7ed6f62354d9989f89c33e6b67e78c3670ed28ec9ec0cb14959739f029205870d7537301e812e5", 0x3e, 0xfffffffffffffffb) keyctl$restrict_keyring(0x1d, r4, &(0x7f0000000880)='blacklist\x00', &(0x7f00000008c0)='ramfs\x00') mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x2, 0x11, r3, 0x0) setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0xd, &(0x7f0000000280), 0x0) r5 = open(&(0x7f0000000000)='./bus\x00', 0x2100, 0xa124168c39afd3da) readv(r3, &(0x7f0000c33000)=[{&(0x7f0000007000)=""/171, 0x39c9}], 0x1) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f0000000180)={{{@in6=@mcast1, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in6=@ipv4={[], [], @empty}}}, &(0x7f0000000280)=0xe8) lstat(&(0x7f00000002c0)='./bus\x00', &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getresuid(&(0x7f00000003c0)=0x0, &(0x7f0000000440), &(0x7f0000000480)) getsockopt$sock_cred(r5, 0x1, 0x11, &(0x7f00000004c0)={0x0, 0x0, 0x0}, &(0x7f0000000500)=0xc) stat(&(0x7f0000000540)='./bus\x00', &(0x7f0000000580)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f0000000600)={0x0, 0x0, 0x0}, &(0x7f0000000640)=0xc) sendmsg$unix(r5, &(0x7f0000000740)={&(0x7f00000000c0)=@abs={0x0, 0x0, 0x4e20}, 0x6e, &(0x7f0000000140)=[{&(0x7f0000000040)="bcaeeb56ec9efd5e810bcd73da0f", 0xe}], 0x1, &(0x7f0000000680)=[@cred={0x18, 0x1, 0x2, r2, r6, r7}, @rights={0x34, 0x1, 0x1, [r1, r1, r3, r1, r1, r1, r5, r3, r3, r5]}, @cred={0x18, 0x1, 0x2, r2, r8, r9}, @rights={0x14, 0x1, 0x1, [r3, r3]}, @cred={0x18, 0x1, 0x2, r2, r10, r11}], 0x90, 0x20000000}, 0x4004080) 2018/03/07 14:40:27 executing program 0: mmap(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x0, 0x1b071, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00007ccff6)='/dev/ptmx\x00', 0x0, 0x0) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$inet_mreq(r1, 0x0, 0x24, &(0x7f0000000080)={@loopback=0x7f000001, @multicast1=0xe0000001}, 0x8) ioctl$int_in(r0, 0x80045439, &(0x7f0000000000)) 2018/03/07 14:40:27 executing program 6: r0 = syz_open_procfs(0x0, &(0x7f0000b2f000)='oom_adj\x00') getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000000)={0x0, 0x7, 0x30}, &(0x7f0000000040)=0xc) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000080)={r1, @in6={{0xa, 0x4e21, 0x100000000, @mcast2={0xff, 0x2, [], 0x1}}}, 0x4, 0x2, 0xf7d, 0x8, 0xffffffffffff7fff}, &(0x7f0000000140)=0x98) ioctl$ASHMEM_GET_SIZE(r0, 0x7704, 0x0) writev(r0, &(0x7f0000b97000)=[{&(0x7f0000a19000)='19', 0x2}], 0x1) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000180)={0x0, 0x0, 0x0}, &(0x7f00000001c0)=0xfffffffffffffe78) ioctl$TUNSETGROUP(r0, 0x400454ce, r2) ftruncate(r0, 0x100) 2018/03/07 14:40:27 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:27 executing program 7: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x20000, 0x0) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f00000001c0)={0x0, 0x80}, &(0x7f0000000200)=0x8) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000240)=@assoc_id=r1, 0x4) getsockopt$EBT_SO_GET_INIT_INFO(r0, 0x0, 0x82, &(0x7f0000000080)={'nat\x00'}, &(0x7f0000000100)=0x50) r2 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r2, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}, 0x3}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000000600)=ANY=[@ANYBLOB="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"], 0x20e}}], 0x2, 0x0) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r2, 0x29, 0xd2, &(0x7f0000000140)={{0xa, 0x4e20, 0x4, @empty, 0xd36a}, {0xa, 0x4e24, 0x7fffffff, @mcast2={0xff, 0x2, [], 0x1}, 0x8}, 0x1000, [0xc00000000000000, 0x0, 0x3ff, 0xff, 0x40, 0x8, 0x9, 0x8]}, 0x5c) [ 53.429195] Normal: 166*4kB (UME) 152*8kB (UM) 162*16kB (UME) 108*32kB (UM) 163*64kB (UM) 22*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 5*2048kB (UM) 699*4096kB (M) = 2909880kB [ 53.448679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.457293] 12124 total pagecache pages [ 53.461243] 0 pages in swap cache [ 53.464664] Swap cache stats: add 0, delete 0, find 0/0 [ 53.470029] Free swap = 0kB [ 53.473024] Total swap = 0kB [ 53.476025] 1965969 pages RAM [ 53.479566] 0 pages HighMem/MovableOnly [ 53.483512] 320510 pages reserved 2018/03/07 14:40:27 executing program 4: r0 = socket(0x1000000010, 0x802, 0x0) sendmsg$nl_route(r0, &(0x7f000022b000)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000f75ff0)={&(0x7f0000000140)=@ipv4_newaddr={0x18, 0x14, 0xc09, 0x0, 0x0, {0x2, 0x40}, []}, 0x18}, 0x1}, 0x0) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x400000, 0x0) ioctl$EVIOCGVERSION(r1, 0x80044501, &(0x7f0000000080)=""/12) 2018/03/07 14:40:27 executing program 7: r0 = socket$inet6(0xa, 0x8000e, 0xfffffffffffffffd) fsetxattr(r0, &(0x7f0000000180)=@known='system.advise\x00', &(0x7f00000001c0)='/dev/sequencer\x00', 0xf, 0x3) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer\x00', 0x20100, 0x0) bind$pptp(r1, &(0x7f00000000c0)={0x18, 0x2, {0x1, @multicast1=0xe0000001}}, 0x1000001aa) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000080)={0x0, 0x33, "87302400371bd3d09833b85ba2af26d4d3f441b39504a0f2deb7a7aa2f23ed2774422120dabc69697c31a17ed604f185e82c00"}, &(0x7f0000000100)=0x3b) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r1, 0x84, 0x19, &(0x7f0000000140)={r2, 0x10000}, 0x8) 2018/03/07 14:40:27 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:27 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:27 executing program 5: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x80) accept4$llc(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, &(0x7f0000000080)=0x10, 0x800) r1 = inotify_init1(0x0) fcntl$setown(r1, 0x8, 0xffffffffffffffff) fcntl$getownex(r1, 0x10, &(0x7f000045fff8)={0x0, 0x0}) ptrace$setopts(0x4206, r2, 0x0, 0x0) ptrace(0x4207, r2) ptrace$poke(0x4, r2, &(0x7f00000018c0), 0x0) [ 53.522301] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 53.530180] CPU: 0 PID: 8406 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 53.530185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.530190] ffff8801ca79f8a8 [ 53.530194] ffffffff81d956f9 1ffff100394f3f18 ffff8801cb2a6000 ffffffff83ab9520 [ 53.530209] 0000000000000001 0000000000400000 ffff8801ca79f9b8 ffffffff81451c92 [ 53.530222] 024000c2ca79f8f8 0000000041b58ab3 ffffffff84195b35Call Trace: [ 53.530244] [] dump_stack+0xc1/0x128 [ 53.530256] [] warn_alloc+0x212/0x240 [ 53.530266] [] ? zone_watermark_ok_safe+0x280/0x280 [ 53.530277] [] ? avc_has_perm+0xb0/0x4f0 [ 53.530287] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 53.530296] [] __vmalloc_node_range+0x3f5/0x5f0 [ 53.530306] [] ? check_preemption_disabled+0x3b/0x200 [ 53.530314] [] ? task_has_security+0x130/0x270 [ 53.530321] [] vmalloc+0x5b/0x70 [ 53.530329] [] ? sel_write_load+0x130/0xfd0 [ 53.530336] [] sel_write_load+0x130/0xfd0 [ 53.530344] [] ? sel_read_bool+0x250/0x250 [ 53.530353] [] ? sel_read_bool+0x250/0x250 [ 53.530362] [] __vfs_write+0x103/0x680 [ 53.530370] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 53.530379] [] ? __might_sleep+0x95/0x1a0 [ 53.530388] [] ? __lock_is_held+0xa1/0xf0 [ 53.530397] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 53.530404] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 53.530411] [] ? __sb_start_write+0x14a/0x310 [ 53.530418] [] vfs_write+0x189/0x530 [ 53.530427] [] SyS_pwrite64+0x13f/0x170 [ 53.530435] [] ? SyS_pread64+0x170/0x170 [ 53.530444] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 53.530452] [] sys32_pwrite+0x39/0x50 [ 53.530459] [] ? sys32_pread+0x50/0x50 [ 53.530467] [] do_fast_syscall_32+0x2f5/0x870 [ 53.530474] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.530483] [] entry_SYSENTER_compat+0x90/0xa2 [ 53.530486] Mem-Info: [ 53.530503] active_anon:58832 inactive_anon:43 isolated_anon:0 [ 53.530503] active_file:3486 inactive_file:8584 isolated_file:0 [ 53.530503] unevictable:0 dirty:313 writeback:0 unstable:0 [ 53.530503] slab_reclaimable:6712 slab_unreclaimable:59124 [ 53.530503] mapped:23828 shmem:50 pagetables:683 bounce:0 [ 53.530503] free:1469914 free_pcp:369 free_cma:0 [ 53.530522] Node 0 active_anon:235328kB inactive_anon:172kB active_file:13944kB inactive_file:34336kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95312kB dirty:1252kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 53.530540] 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 lowmem_reserve[]: [ 53.530544] 0 2908 6410 6410DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: [ 53.530572] 0 0 3501 3501Normal free:2883804kB min:36824kB low:46028kB high:55232kB active_anon:235328kB inactive_anon:172kB active_file:13944kB inactive_file:34336kB unevictable:0kB writepending:1252kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26848kB slab_unreclaimable:236496kB kernel_stack:5952kB pagetables:2732kB bounce:0kB free_pcp:692kB local_pcp:364kB free_cma:0kB lowmem_reserve[]: [ 53.530599] 0 0 0 0DMA: 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 57*4kB (UM) 143*8kB (UM) 160*16kB (UME) 72*32kB (UM) 164*64kB (UM) 22*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 1*2048kB (U) 695*4096kB (M) = 2883676kB [ 53.530775] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.530777] 12124 total pagecache pages [ 53.530781] 0 pages in swap cache [ 53.530785] Swap cache stats: add 0, delete 0, find 0/0 [ 53.530787] Free swap = 0kB [ 53.530789] Total swap = 0kB [ 53.530791] 1965969 pages RAM [ 53.530793] 0 pages HighMem/MovableOnly [ 53.530796] 320510 pages reserved [ 53.558843] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 53.558852] CPU: 0 PID: 8417 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 53.558858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.558872] ffff8801beef78a8 ffffffff81d956f9 1ffff10037ddef18 ffff8801ca734800 [ 53.558884] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801beef79b8 [ 53.558895] ffffffff81451c92 024000c2beef78f8 0000000041b58ab3 ffffffff84195b35 [ 53.558897] Call Trace: [ 53.558914] [] dump_stack+0xc1/0x128 [ 53.558928] [] warn_alloc+0x212/0x240 [ 53.558936] [] ? zone_watermark_ok_safe+0x280/0x280 [ 53.558945] [] ? avc_has_perm+0xb0/0x4f0 [ 53.558954] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 53.558962] [] __vmalloc_node_range+0x3f5/0x5f0 [ 53.558977] [] ? check_preemption_disabled+0x3b/0x200 [ 53.558987] [] ? task_has_security+0x130/0x270 [ 53.558997] [] vmalloc+0x5b/0x70 [ 53.559005] [] ? sel_write_load+0x130/0xfd0 [ 53.559014] [] sel_write_load+0x130/0xfd0 [ 53.559024] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 53.559031] [] ? futex_wake+0x146/0x440 [ 53.559038] [] ? sel_read_bool+0x250/0x250 [ 53.559046] [] ? sel_read_bool+0x250/0x250 [ 53.559054] [] __vfs_write+0x103/0x680 [ 53.559061] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 53.559069] [] ? __might_sleep+0x95/0x1a0 [ 53.559077] [] ? __lock_is_held+0xa1/0xf0 [ 53.559086] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 53.559093] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 53.559100] [] ? __sb_start_write+0x14a/0x310 [ 53.559107] [] vfs_write+0x189/0x530 [ 53.559115] [] SyS_pwrite64+0x13f/0x170 [ 53.559122] [] ? SyS_pread64+0x170/0x170 [ 53.559130] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 53.559138] [] sys32_pwrite+0x39/0x50 [ 53.559144] [] ? sys32_pread+0x50/0x50 [ 53.559151] [] do_fast_syscall_32+0x2f5/0x870 [ 53.559158] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.559167] [] entry_SYSENTER_compat+0x90/0xa2 [ 53.559169] Mem-Info: [ 53.559189] active_anon:53173 inactive_anon:43 isolated_anon:0 [ 53.559189] active_file:3486 inactive_file:8584 isolated_file:0 [ 53.559189] unevictable:0 dirty:313 writeback:0 unstable:0 [ 53.559189] slab_reclaimable:6712 slab_unreclaimable:59067 [ 53.559189] mapped:23803 shmem:50 pagetables:646 bounce:0 [ 53.559189] free:1475191 free_pcp:444 free_cma:0 [ 53.559207] Node 0 active_anon:212692kB inactive_anon:172kB active_file:13944kB inactive_file:34336kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:1252kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 53.559226] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 53.559255] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 53.559280] Normal free:2906960kB min:36824kB low:46028kB high:55232kB active_anon:210644kB inactive_anon:172kB active_file:13944kB inactive_file:34336kB unevictable:0kB writepending:1252kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26848kB slab_unreclaimable:236268kB kernel_stack:5632kB pagetables:2584kB bounce:0kB free_pcp:1004kB local_pcp:644kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 53.559330] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 78*4kB (UM) 148*8kB (UME) 160*16kB (UME) 83*32kB (UM) 168*64kB (UM) 22*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 6*2048kB (UM) 698*4096kB (M) = 2906936kB [ 53.559429] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.559431] 12124 total pagecache pages [ 53.559435] 0 pages in swap cache [ 53.559438] Swap cache stats: add 0, delete 0, find 0/0 [ 53.559441] Free swap = 0kB [ 53.559443] Total swap = 0kB [ 53.559445] 1965969 pages RAM [ 53.559448] 0 pages HighMem/MovableOnly [ 53.559450] 320510 pages reserved [ 53.563511] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 53.563521] CPU: 0 PID: 8419 Comm: syz-executor4 Not tainted 4.9.86-gb324a70 #58 [ 53.563526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.563541] ffff8801beef78a8 ffffffff81d956f9 1ffff10037ddef18 ffff8801ca736000 [ 53.563553] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801beef79b8 [ 53.563565] ffffffff81451c92 024000c2beef78f8 0000000041b58ab3 ffffffff84195b35 [ 53.563566] Call Trace: [ 53.563578] [] dump_stack+0xc1/0x128 [ 53.563588] [] warn_alloc+0x212/0x240 [ 53.563597] [] ? zone_watermark_ok_safe+0x280/0x280 [ 53.563607] [] ? avc_has_perm+0xb0/0x4f0 [ 53.563616] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 53.563624] [] __vmalloc_node_range+0x3f5/0x5f0 [ 53.563635] [] ? check_preemption_disabled+0x3b/0x200 [ 53.563642] [] ? task_has_security+0x130/0x270 [ 53.563650] [] vmalloc+0x5b/0x70 [ 53.563657] [] ? sel_write_load+0x130/0xfd0 [ 53.563664] [] sel_write_load+0x130/0xfd0 [ 53.563673] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 53.563680] [] ? futex_wake+0x146/0x440 [ 53.563686] [] ? sel_read_bool+0x250/0x250 [ 53.563694] [] ? sel_read_bool+0x250/0x250 [ 53.563702] [] __vfs_write+0x103/0x680 [ 53.563709] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 53.563717] [] ? __might_sleep+0x95/0x1a0 [ 53.563725] [] ? __lock_is_held+0xa1/0xf0 [ 53.563732] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 53.563739] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 53.563746] [] ? __sb_start_write+0x14a/0x310 [ 53.563753] [] vfs_write+0x189/0x530 [ 53.563760] [] SyS_pwrite64+0x13f/0x170 [ 53.563768] [] ? SyS_pread64+0x170/0x170 [ 53.563775] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 53.563783] [] sys32_pwrite+0x39/0x50 [ 53.563789] [] ? sys32_pread+0x50/0x50 [ 53.563797] [] do_fast_syscall_32+0x2f5/0x870 [ 53.563804] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.563813] [] entry_SYSENTER_compat+0x90/0xa2 [ 53.563816] Mem-Info: [ 53.563836] active_anon:52657 inactive_anon:43 isolated_anon:0 [ 53.563836] active_file:3486 inactive_file:8584 isolated_file:0 [ 53.563836] unevictable:0 dirty:313 writeback:0 unstable:0 [ 53.563836] slab_reclaimable:6712 slab_unreclaimable:59067 [ 53.563836] mapped:23803 shmem:50 pagetables:646 bounce:0 [ 53.563836] free:1476258 free_pcp:432 free_cma:0 [ 53.563853] Node 0 active_anon:210628kB inactive_anon:172kB active_file:13944kB inactive_file:34336kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:1252kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 53.563870] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 53.563896] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 53.563922] Normal free:2909180kB min:36824kB low:46028kB high:55232kB active_anon:210628kB inactive_anon:172kB active_file:13944kB inactive_file:34336kB unevictable:0kB writepending:1252kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26848kB slab_unreclaimable:236268kB kernel_stack:5600kB pagetables:2584kB bounce:0kB free_pcp:956kB local_pcp:580kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 53.563985] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB 2018/03/07 14:40:28 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={0x0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:28 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:28 executing program 3: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/autofs\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000040), &(0x7f0000000080)=0x8) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f00000003c0)="7663616e300000009500", 0x10) ioctl$DRM_IOCTL_ADD_MAP(r0, 0xc0186415, &(0x7f0000000000)={&(0x7f0000000000/0x1000)=nil, 0x5, 0x3, 0x48, &(0x7f0000fff000/0x1000)=nil, 0xfffffffffffffc01}) getsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000380)={0x7, 0x2, 0x1, 0x3, 0x0}, &(0x7f0000000400)=0x10) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000440)={0x0, 0xfa, "2de91de5ecbb3f662acc6bd8dcfbe25f8d74b0b4721f9505a9d9a3240714391971d549e9511d4026250c4e5a914ddbe888906aff2300c90b5cedd8d15cbee20529574cee28eabc7db93fac4e1316032d5a8ff93ab81369e086eaad34958804581eda73932262fcc065eaa6bfec9dc14548229aa74295cb012bf40c2440b98e2a815cdf6e34fd9aefe55f2dba045a563c19e41312517bfb2f898bcbf226731a6fe2c327428304045169c0a00a5d3aa24d9758d017b8206dda8beb53927afce94be33b66ac63e08f9daa0ea9c191e3a90ef335b39357dc26d48898c49e7035261230eaadb7e4cc8e3f1983286bdcd8cbc40d39231ba1c31793d892"}, &(0x7f0000000580)=0x102) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f00000005c0)={0x0, 0x200}, &(0x7f0000000600)=0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000800)=ANY=[], &(0x7f0000000680)) sendmsg$inet_sctp(r1, &(0x7f00000007c0)={&(0x7f0000000100)=@in={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10, &(0x7f0000000340)=[{&(0x7f0000000140)="96ee88d4c43ccb421712052866fd5bec807f31a4044395ddc73354e4fa81df5ddf996c3d1cc9727467d0636fe741f8c5c61f4899daa579a5d8aa87647f0b8fd488b759b61aec27a30de9b6002d55b8288a3a", 0x52}, {&(0x7f00000001c0)="7e66e5af28a0584c142786e72cc6bdfafcb9de81d91257bf38052144e1c671bf31ce15bcb3d8967337fbdfb05d70528f7a24468c7489d20ba7b7a6779da75e4f52d600e7f2a4757c3dfb0bd23bdf520d478a8ae112efbee4e9b90338202a4146b0db92c96044030c72ecec6225e4c41c1b2e164bd6cf55ca9f0f30dcd5069124efc61c7feefa47b46a82b51d86fb9d4802fb6c6c9961dea67cabccfe0815bd0697052574b09305db946f59feb82090554835b4c77ef18c05c4ce7121713080e0bba9c659c4605cd666cdb912601bb6e065d19cc19bd0e85d730d03d8a2fe5a3e80004a5f9dc8c766a4bd76fd381a2545038021e5aab4e08ddfa797fa9510", 0xfe}, {&(0x7f00000002c0)="742313ba66b076fe86730cf57e106ddcff28e1a64e3f0d935abb913bdcac3454ceb1bd3cebeaa90ce222c1702166485b4f658342516dddb25330a19ff2370dfe94daac56f64ee5c14b04d0553c3c39ad83315d4a54e880617e70f113b69926a91e3e8cd84e00b3989f00665c28e811c7b644781b75b109bdaf7a24ec8ddeb9", 0x7f}], 0x3, &(0x7f00000006c0)=[@init={0x14, 0x84, 0x0, {0x8, 0x7, 0x4, 0x7}}, @sndrcv={0x2c, 0x84, 0x1, {0x6, 0x8, 0x8000, 0x5, 0x0, 0x2f77, 0x7, 0x0, r2}}, @sndrcv={0x2c, 0x84, 0x1, {0x1, 0xedc6, 0x200, 0xfffffffffffffffa, 0xff, 0x1, 0x1, 0x1c0000000000, r3}}, @sndrcv={0x2c, 0x84, 0x1, {0x3, 0x8, 0x4, 0x7fffffff, 0x3, 0x6, 0x6, 0x3f, r4}}, @sndrcv={0x2c, 0x84, 0x1, {0x5, 0xb11, 0x0, 0x1ff, 0x57, 0x3, 0x636bc9ae, 0x8}}], 0xdc, 0x80}, 0x40004) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:28 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) r1 = openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x2a45084e4e5e5a91, 0x3) setsockopt$inet_MCAST_LEAVE_GROUP(r1, 0x0, 0x2d, &(0x7f0000000080)={0x800, {{0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x12}}}}, 0x84) 2018/03/07 14:40:28 executing program 6: syz_extract_tcp_res$synack(&(0x7f0000000100), 0x1, 0x0) r0 = memfd_create(&(0x7f0000000000)='vmnet1+self[,\x00', 0x1) getsockopt$inet_sctp6_SCTP_PR_STREAM_STATUS(r0, 0x84, 0x74, &(0x7f0000000080)=""/107, &(0x7f0000000140)=0x6b) setsockopt$inet_dccp_buf(r0, 0x21, 0xcf, &(0x7f0000000040)="50aaeae6d401967f817b1be31ad143a3a8a77dc587b57f2baa09073788c021396d5f14e2eba965393eb9cc7ab4ec69d15fe7c37786a8c05625b391", 0x3b) syz_emit_ethernet(0x5b, &(0x7f0000000240)=ANY=[@ANYBLOB="0180c2000000ecc00f68662cd290d712ef13b9fa54c22f366208004a05004d00640006003b9078e0000001ffffffff8313ff000000007f000001e0000001e0000002004e204e2104f19078f2b993c909244e1f2dd61c62fec0ced5568a1cc7c00e8c5717022ab62c"], &(0x7f00000015c0)={0x1, 0x1, [0x24f, 0x0, 0x2b5, 0x10002]}) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000200)='/dev/vga_arbiter\x00', 0x1, 0x0) 2018/03/07 14:40:28 executing program 1: recvmmsg(0xffffffffffffffff, &(0x7f0000002e80)=[{{&(0x7f0000000180)=@nl=@unspec, 0x80, &(0x7f0000000480)=[{&(0x7f0000000200)=""/180, 0xb4}, {&(0x7f00000002c0)=""/199, 0xc7}, {&(0x7f00000003c0)=""/185, 0xb9}], 0x3, &(0x7f00000004c0)=""/142, 0x8e, 0xfffffffffffff000}, 0xffff}, {{&(0x7f0000000580)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @loopback}}}, 0x80, &(0x7f0000000700)=[{&(0x7f0000000600)=""/193, 0xc1}], 0x1, &(0x7f0000000740)=""/161, 0xa1, 0x100000000}, 0x79f}, {{0x0, 0x0, &(0x7f0000000b00)=[{&(0x7f0000000800)=""/122, 0x7a}, {&(0x7f0000000880)=""/241, 0xf1}, {&(0x7f0000000980)=""/196, 0xc4}, {&(0x7f0000000a80)=""/70, 0x46}], 0x4, &(0x7f0000000b40)=""/70, 0x46, 0xfffffffffffffffe}, 0x9}, {{&(0x7f0000000bc0)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, 0x80, &(0x7f0000002080)=[{&(0x7f0000000c40)=""/8, 0x8}, {&(0x7f0000000c80)=""/4096, 0x1000}, {&(0x7f0000001c80)=""/51, 0x33}, {&(0x7f0000001cc0)=""/14, 0xe}, {&(0x7f0000001d00)=""/20, 0x14}, {&(0x7f0000001d40)=""/223, 0xdf}, {&(0x7f0000001e40)=""/187, 0xbb}, {&(0x7f0000001f00)=""/245, 0xf5}, {&(0x7f0000002000)=""/50, 0x32}, {&(0x7f0000002040)=""/23, 0x17}], 0xa, &(0x7f0000002100)=""/66, 0x42, 0x9}, 0x81}, {{&(0x7f0000002180)=@ax25, 0x80, &(0x7f00000025c0)=[{&(0x7f0000002200)=""/205, 0xcd}, {&(0x7f0000002300)=""/193, 0xc1}, {&(0x7f0000002400)=""/135, 0x87}, {&(0x7f00000024c0)=""/201, 0xc9}], 0x4, &(0x7f0000002600)=""/133, 0x85, 0x1000}, 0x1}, {{&(0x7f00000026c0)=@l2, 0x80, &(0x7f0000002bc0)=[{&(0x7f0000002740)=""/141, 0x8d}, {&(0x7f0000002800)=""/55, 0x37}, {&(0x7f0000002840)=""/124, 0x7c}, {&(0x7f00000028c0)=""/116, 0x74}, {&(0x7f0000002940)=""/113, 0x71}, {&(0x7f00000029c0)=""/217, 0xd9}, {&(0x7f0000002ac0)=""/209, 0xd1}], 0x7, &(0x7f0000002c00)=""/129, 0x81, 0x101}, 0x2}, {{&(0x7f0000002cc0)=@generic, 0x80, &(0x7f0000002dc0)=[{&(0x7f0000002d40)=""/69, 0x45}], 0x1, &(0x7f0000002e00)=""/80, 0x50, 0x2}, 0x3}], 0x7, 0x40, &(0x7f0000002f80)={0x0, 0x989680}) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000002fc0)={0x0, 0xee, 0x6, 0x400}, &(0x7f0000003000)=0x10) setsockopt$inet_sctp6_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000003040)={0x0, 0x8, 0x400, 0x7, r1}, 0x10) r2 = socket(0xa, 0x1, 0x0) ioctl$sock_netrom_TIOCOUTQ(r2, 0x5411, &(0x7f0000000000)) ioctl$fiemap(0xffffffffffffffff, 0xc020660b, &(0x7f0000003180)=ANY=[@ANYBLOB="0000000000000000000000000000a1ab4b4fe060dff200000000000000000000e01a5ab21a1e3fd5b156174230f066ad9a4dc2e446cfbd44a3605a4bfd984b401b65aa78940267691c9493ba9ea1a5b7f7ebf941510000000000268c292cae9f456a27389db01cd711e38aec112bd4670afe5c0547f82f4f1c61f12f98c6d3f13b921ad24ac18920dd05e588b2902ffe795e53a734dd70f90b4cd7fe175e7cd6b18d440047b04e9669bf0c4047dd6001d3a9fd2f692446ea4b8454f67d"]) ioctl(r2, 0x8918, &(0x7f0000000000)) setsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000003080)={r1, 0x6effb25, 0x9, 0x6, 0x8, 0x7}, 0x14) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000003440)={{{@in=@multicast2, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@remote}, 0x0, @in6=@empty}}, &(0x7f0000003140)=0xffffffffffffffac) geteuid() setreuid(r3, r3) 2018/03/07 14:40:28 executing program 5: r0 = memfd_create(&(0x7f000003affa)="706f73fb00000000000000566f6573737b0000", 0x3) listxattr(&(0x7f0000000240)='./file0\x00', &(0x7f0000000300)=""/115, 0xffffff73) fcntl$addseals(r0, 0x409, 0xb) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x2000000, 0x400000000050, r0, 0x0) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f00000000c0)) 2018/03/07 14:40:28 executing program 0: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) mount(&(0x7f0000037000)='./file0\x00', &(0x7f0000a6f000)='./file0\x00', &(0x7f0000000000)="72616d667300cd7a3ead1c1a871dc6", 0x100000, &(0x7f0000000040)) mount(&(0x7f000052f000)='./file0\x00', &(0x7f00007f8ff8)='./file0\x00', &(0x7f00003a2ffa)="0700cc667300", 0x1000, 0x0) r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/pktcdvd/control\x00', 0x349081, 0x0) setsockopt$inet_sctp_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000280)=0xffffffffffff0000, 0x4) getsockname$ipx(r0, &(0x7f0000000600), &(0x7f0000000640)=0x10) connect(0xffffffffffffffff, &(0x7f0000000100)=@nl=@kern={0x10}, 0x80) mount(&(0x7f0000c6bff8)='./file0\x00', &(0x7f000092f000)='./file0\x00', &(0x7f0000dcd000)='ramfs\x00', 0x0, &(0x7f000002f000)) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000240)='/dev/hwrng\x00', 0x43ff, 0x0) getsockopt$inet_pktinfo(0xffffffffffffff9c, 0x0, 0x8, &(0x7f0000000800)={0x0, @empty, @multicast2}, &(0x7f00000002c0)=0xc) r3 = getuid() setsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000300)={{{@in6=@local={0xfe, 0x80, [], 0xaa}, @in=@rand_addr=0x1, 0x4e21, 0x7, 0x4e23, 0xffffffffffffffe0, 0xa, 0x80, 0x0, 0x0, r2, r3}, {0x40, 0x4, 0x7fff, 0x400, 0x2, 0x7ff, 0x2, 0xffffffff}, {0x4, 0x2, 0x5, 0x7}, 0x7f, 0x6e6bb3, 0x2, 0x1, 0x3, 0x3}, {{@in6=@dev={0xfe, 0x80, [], 0x11}, 0x4d5, 0x3f}, 0xa, @in6=@remote={0xfe, 0x80, [], 0xbb}, 0x3502, 0x7, 0x3, 0x400, 0x109, 0x0, 0x7}}, 0xe8) ioctl$TUNGETVNETHDRSZ(r1, 0x800454d7, &(0x7f00000007c0)) socketpair$inet6(0xa, 0x800, 0x8, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = gettid() ptrace$PTRACE_SECCOMP_GET_METADATA(0x420d, r5, 0x8, &(0x7f0000000680)={0xfffffffffffffffb}) setsockopt$inet6_tcp_buf(r4, 0x6, 0x16, &(0x7f0000000180)="0b414cd193cada9d23390931cfd8038d5bf3839e32e02bd9cff7e78465a6d7438fbaf705a0fdcebec3e486eb65be08475be1bb26771aa22720e03e454726c17d1817ff94f5fd2410a6b8cb646250a82ab53518f7187464c4c40d575d5b5251a37f2a14ab58defecb462bc207dfeaf64c6f848b53910f45334188ecb14efde42e7bf2bae92bac43a58fe036b5a455082d025aea8baf1859508e790b", 0x9b) umount2(&(0x7f00000000c0)='./file0\x00', 0x0) fcntl$F_GET_FILE_RW_HINT(r4, 0x40d, &(0x7f0000000400)) r6 = socket$netlink(0x10, 0x3, 0xf) setsockopt$sock_timeval(r6, 0x1, 0x14, &(0x7f0000000040)={0x0, 0x7530}, 0x8) ioctl$sock_ipx_SIOCAIPXPRISLT(r1, 0x89e1, &(0x7f0000000440)=0x6) mount(&(0x7f0000000480)='./file0\x00', &(0x7f00000004c0)='./file0\x00', &(0x7f0000000500)='pipefs\x00', 0x100002, &(0x7f0000000540)="d26cf7947a3135817cc48148a26508a2e6c0aff910ed9983010c186fc657624dae993fb40bd6a5a42398f077ab0ca57ea77829490f67f1bc96848e1b2aa757fb38668ee64d12ddf5be1b0aa68f844e164cb8") getsockopt$inet_sctp6_SCTP_ASSOCINFO(r4, 0x84, 0x1, &(0x7f00000006c0)={0x0, 0xb20000000, 0xea24, 0x6, 0x4, 0x6}, &(0x7f0000000700)=0x14) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000740)={r7, 0x2}, &(0x7f0000000780)=0x8) Normal: 109*4kB (UME) 149*8kB (UME) 160*16kB (UME) 82*32kB (UM) 168*64kB (UM) 22*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 7*2048kB (UM) 698*4096kB (M) = 2909084kB [ 53.564087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.564089] 12124 total pagecache pages [ 53.564092] 0 pages in swap cache [ 53.564096] Swap cache stats: add 0, delete 0, find 0/0 [ 53.564098] Free swap = 0kB [ 53.564100] Total swap = 0kB [ 53.564102] 1965969 pages RAM [ 53.564105] 0 pages HighMem/MovableOnly [ 53.564106] 320510 pages reserved 2018/03/07 14:40:28 executing program 5: r0 = socket(0xa, 0x1, 0x0) ioctl(r0, 0x8b9f, &(0x7f0000000140)="7d2b4a1a1f4f5f45128bb9d53a") setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000000)={0x8, 0x6, 0x7fffffff, 0x7, 0x6f33, 0x8, 0x5}, 0xc) 2018/03/07 14:40:28 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x6) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x10002, @loopback={0x0, 0x1}, 0x80000000}, 0xffffffffffffff5e) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f00000000c0)={@remote={0xfe, 0x80, [], 0xbb}, 0x5, 0x0, 0x2, 0x2, 0x4, 0x0, 0x4}, 0x20) r1 = socket$inet6(0xa, 0x5, 0x80000000000000) socket$inet6(0xa, 0x80000, 0x100) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f0000000040)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x76, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYRES64=r1], 0xc2}}], 0x2, 0x10000000) [ 55.040701] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 55.056011] CPU: 0 PID: 8431 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 55.063555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.072906] ffff8801c6f7f8a8 ffffffff81d956f9 1ffff10038deff18 ffff8801beef6000 [ 55.080942] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c6f7f9b8 2018/03/07 14:40:28 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) getsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000040), &(0x7f0000000080)=0x4) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:28 executing program 5: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = inotify_init() inotify_add_watch(r0, &(0x7f0000000040)='./control\x00', 0x880) r1 = accept4(r0, &(0x7f0000000140)=@nl=@proc, &(0x7f00000001c0)=0x80, 0x800) accept4(r1, &(0x7f0000000200)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @broadcast}}}, &(0x7f0000000280)=0x80, 0x80800) r2 = open(&(0x7f0000000000)='./control\x00', 0x0, 0x0) inotify_add_watch(r0, &(0x7f0000000080)='./control/file0\x00', 0x2000040) mkdirat(r2, &(0x7f0000044ff6)='./control\x00', 0x0) mkdirat(r2, &(0x7f00008b8ff6)='./file0\x00', 0x0) renameat2(r2, &(0x7f0000036ff6)='./control\x00', r2, &(0x7f0000036000)='./file0\x00', 0x2) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r2, 0xc02c5341, &(0x7f00000000c0)) 2018/03/07 14:40:28 executing program 7: r0 = socket$inet6(0xa, 0x2, 0xfffffffffffffffd) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x1, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000001780)=[{&(0x7f0000000400)="39ffa50a4256cb7dd683a110f8e7bec7ce5eeef71172c09af4253eaa10732f32c302b533c6ea"}, {&(0x7f0000000440)="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", 0x67}, {&(0x7f0000001440)="4bcb4e0a4fdb54fad1eeb63c9fb1be31623e64c3e652ba0431024303519efc3a718360725c95684b581acb6d6d267adc973e4221922d8eb2e3686b57b47233210f7509fdcdbf0e4643e9917907e077935b4e19815c28e29b236e772777f272f7e391fc2255ddaeda0063b9fd8e97e11a928ab6412f893840b77accc7e9dcfb130bb0"}, {&(0x7f0000001500)="1cf2bf"}, {&(0x7f0000001540)="5e786c5241d05e1e19e943422b47ec012eee9abb4ef66b0fcddf036e22c22364a42443e43a2547ccbd8a767209fe673a7b34dbb22f0d6dd4be01e3740f55cd10f3b9f6922ce844138cc9fb1f3d8850327bc81659afa08c69816a7250691ac174d2f5213cde9938fbc303486c153b155e28313c1670f6a8d8298ea919d771d3826352bba8400de89f2ca95b1fe132169034651515062ef832b4b9c9088befa678ad51f16200f3983d159b27b8819a272a272422a9e98143393c5e808045fd1ae95939ae3cba5f85c930bcd20f91b1345c7cbd3f"}, {&(0x7f0000001640)="8a6338d9b9f3c8c138f1d676c72c5f6ccc83049310cd5b243d113bcbb7eda137130822461b7816f9f1f5277485b8ab6a0f42139d7d47f74d621e9d32aaef482bdfa1f81318b272ea23b94b983f3c2e42bd4dbbc9c1cec20b49f3aceb1f6ee73f82deb7a81c20a178583a3dc7f1f9d4921bbbe51c7eb2995de4f1a0d3fe03b310e94e044f14fc1008c146d6a4281dbb2e9e596d"}, {&(0x7f0000001700)="541e98cf9f2dd720"}, {&(0x7f0000001740)="11b2f02d955fe1547fc37701ed75a55455e1b6714280fdfe764cbeb9b65d56ea3d56b6397ad604ec3353c71f0191059550f018bd66f707901a7525b937522a7a"}], 0x173, &(0x7f00000003c0)=[]}}, {{&(0x7f0000000340)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f00000003c0)=[], 0x12c, &(0x7f0000000200)=ANY=[@ANYBLOB="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"], 0x112}}], 0x2, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_RX_RING(r1, 0x10e, 0x6, &(0x7f00000019c0)={0x8, 0x3f, 0x10001, 0x1}, 0x10) getsockopt$bt_BT_VOICE(0xffffffffffffff9c, 0x112, 0xb, &(0x7f0000000040)=0x2, &(0x7f0000000080)=0x2) r2 = syz_open_dev$sg(&(0x7f00000018c0)='/dev/sg#\x00', 0x40, 0x0) getsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f0000001900)=""/6, &(0x7f0000001940)=0x6) r3 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00000003c0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) bind$ipx(r3, &(0x7f00000017c0)={0x4, 0x6000000, 0x6, "f0c8c4eda29c", 0x6}, 0x10) setsockopt$inet_int(r3, 0x0, 0x0, &(0x7f0000001800)=0x31, 0x4) r4 = dup3(r0, r0, 0x80000) ioctl$DRM_IOCTL_GET_UNIQUE(r4, 0xc0086401, &(0x7f00000001c0)={0xd2, &(0x7f00000000c0)=""/210}) fcntl$setpipe(r2, 0x407, 0x80000000) getsockname$netrom(r2, &(0x7f0000001840)=@full, &(0x7f0000001980)=0x48) [ 55.088981] ffffffff81451c92 024000c2c6f7f8f8 0000000041b58ab3 ffffffff84195b35 [ 55.097020] Call Trace: [ 55.099597] [] dump_stack+0xc1/0x128 [ 55.104952] [] warn_alloc+0x212/0x240 [ 55.110393] [] ? zone_watermark_ok_safe+0x280/0x280 [ 55.117049] [] ? avc_has_perm+0xb0/0x4f0 [ 55.122751] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 55.129237] [] __vmalloc_node_range+0x3f5/0x5f0 2018/03/07 14:40:28 executing program 5: r0 = socket$nl_xfrm(0x11, 0x3, 0x6) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x80000, 0x0) connect$vsock_stream(r1, &(0x7f00000000c0)={0x28, 0x0, 0x2711, @hyper}, 0x10) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r1, 0x10e, 0x4, &(0x7f0000000100)=0x9, 0x4) sendmsg(r0, &(0x7f0000000940)={&(0x7f0000000000)=@in6={0xa, 0x4e20, 0x3, @local={0xfe, 0x80, [], 0xaa}}, 0x1c, &(0x7f0000000440)=[], 0x0, &(0x7f00000004c0)=ANY=[@ANYBLOB="0c0000000100000024000300"], 0xc}, 0x0) clock_gettime(0x0, &(0x7f0000000180)={0x0, 0x0}) write$sndseq(r1, &(0x7f0000000280)=[{0x7, 0x4, 0x5, 0x0, @tick=0xb13c, {0x1, 0x7}, {0x0, 0x9}, @result={0xd, 0x8000}}, {0x1000, 0x4, 0x7fffffff, 0x80000000, @tick=0x4, {0x100000000, 0x9}, {0x5, 0x1}, @quote={{0x9, 0xffffffff}, 0x1, &(0x7f0000000140)={0x7, 0x8000, 0x5, 0x2, @time={0x77359400}, {0x80000000, 0x9}, {0x0, 0x2}, @control={0x5, 0x2}}}}, {0x2, 0x2, 0x100000000, 0x1400000000, @time={r2, r3+10000000}, {0x1}, {0x0, 0x3ff}, @ext={0xa6, &(0x7f00000001c0)="6f9a48ed78dcf3a33287fb086bf42404c2c152af5648855c9bcfc1e985020b6c341f8510cf5c153101dd5079f03bcaf76b01289a10912debeefd036473015350629086743d5d8c08fbe1b91d5db9e9bea3f7ad63f93078bd78547d7b2b194faeae9d7f631f923d587c173f2f8e7977bc465ffb5ac21fb179e5784944b8ba97c42c53f4fc918bab813f1bddaa0ae84f7fc42b4f3c29e6cef6caf4e92d20c2e2c56bce9dafafc8"}}], 0x54) 2018/03/07 14:40:28 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/pktcdvd/control\x00', 0x0, 0x0) [ 55.135540] [] ? check_preemption_disabled+0x3b/0x200 [ 55.142360] [] ? task_has_security+0x130/0x270 [ 55.148585] [] vmalloc+0x5b/0x70 [ 55.153597] [] ? sel_write_load+0x130/0xfd0 [ 55.159562] [] sel_write_load+0x130/0xfd0 [ 55.165339] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 55.172247] [] ? futex_wake+0x146/0x440 [ 55.177866] [] ? sel_read_bool+0x250/0x250 [ 55.183744] [] ? sel_read_bool+0x250/0x250 2018/03/07 14:40:28 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000240)='/dev/rtc\x00', 0x2000, 0x0) setsockopt$inet_mreqsrc(r1, 0x0, 0x27, &(0x7f0000000280)={@rand_addr=0x9, @broadcast=0xffffffff, @empty}, 0xc) sendmsg(r0, &(0x7f0000000200)={&(0x7f0000000040)=@ax25={0x3, {"d94771aadbeaf8"}, 0x263}, 0x80, &(0x7f00000001c0)=[{&(0x7f00000000c0)="502ab0e209a001a8ac9e56fc5ed9bab0a31e5c505d8388dd651915d8dcd7fb7359ede07a1cb78828ce631fc0f7a15c66a42b362a3e17450bdc19bef4e553a28bbeeefdeb99bc5129e20e945f4ce7a5e5e8f3a3bf952f974007f48a64554f74efa9ddb83bf022c56eb5465a23f713aa045d3612475cbcefef2024fb243e34ef85463be98222150e528ae51ad27b5b84", 0x8f}, {&(0x7f0000000180)='E', 0x1}], 0x2, &(0x7f0000000540)=[{0x100c, 0x88, 0x2, "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"}, {0x100c, 0x116, 0x480000000, 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"}, {0x4c, 0x19f, 0x0, "b60d92447509482305912ba3e8519fd74ba16853210f9ea37a5b54d9d2cd196566c59bbd4527203a5cbdfca6ceb1e927d047d7893d2891e3a0786fce1882"}], 0x2064, 0x8000}, 0x20000000) socket$inet6_dccp(0xa, 0x6, 0x0) [ 55.189622] [] __vfs_write+0x103/0x680 [ 55.195155] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 55.201656] [] ? __might_sleep+0x95/0x1a0 [ 55.207458] [] ? __lock_is_held+0xa1/0xf0 [ 55.213246] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 55.220080] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 55.226644] [] ? __sb_start_write+0x14a/0x310 [ 55.232770] [] vfs_write+0x189/0x530 [ 55.238115] [] SyS_pwrite64+0x13f/0x170 [ 55.243713] [] ? SyS_pread64+0x170/0x170 [ 55.249397] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 55.255512] [] sys32_pwrite+0x39/0x50 [ 55.260932] [] ? sys32_pread+0x50/0x50 [ 55.266439] [] do_fast_syscall_32+0x2f5/0x870 [ 55.272554] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.279193] [] entry_SYSENTER_compat+0x90/0xa2 [ 55.289261] Mem-Info: [ 55.291687] active_anon:59408 inactive_anon:43 isolated_anon:0 [ 55.291687] active_file:3486 inactive_file:8591 isolated_file:0 [ 55.291687] unevictable:0 dirty:316 writeback:0 unstable:0 [ 55.291687] slab_reclaimable:6706 slab_unreclaimable:59198 [ 55.291687] mapped:23824 shmem:50 pagetables:653 bounce:0 [ 55.291687] free:1469797 free_pcp:493 free_cma:0 [ 55.325026] Node 0 active_anon:235496kB inactive_anon:172kB active_file:13944kB inactive_file:34448kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95280kB dirty:1316kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 98304kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 55.354797] 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 [ 55.384134] lowmem_reserve[]: 0 2908 6410 6410 [ 55.389376] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 55.420752] lowmem_reserve[]: 0 0 3501 3501 [ 55.425723] Normal free:2902764kB min:36824kB low:46028kB high:55232kB active_anon:219032kB inactive_anon:172kB active_file:13944kB inactive_file:34448kB unevictable:0kB writepending:1316kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26872kB slab_unreclaimable:236504kB kernel_stack:5408kB pagetables:2564kB bounce:0kB free_pcp:1344kB local_pcp:760kB free_cma:0kB [ 55.459858] lowmem_reserve[]: 0 0 0 0 [ 55.464230] 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 [ 55.479893] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 55.497108] Normal: 90*4kB (UME) 103*8kB (UME) 156*16kB (UME) 85*32kB (UM) 169*64kB (UM) 23*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 4*2048kB (UM) 698*4096kB (M) = 2902720kB [ 55.517059] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.525610] 12148 total pagecache pages [ 55.529587] 0 pages in swap cache [ 55.533020] Swap cache stats: add 0, delete 0, find 0/0 [ 55.538438] Free swap = 0kB [ 55.541433] Total swap = 0kB [ 55.544419] 1965969 pages RAM [ 55.547526] 0 pages HighMem/MovableOnly [ 55.551475] 320510 pages reserved [ 55.554948] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 55.568551] CPU: 0 PID: 8441 Comm: syz-executor4 Not tainted 4.9.86-gb324a70 #58 [ 55.576064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.585388] ffff8801c6f478a8 ffffffff81d956f9 1ffff10038de8f18 ffff8801c98f9800 [ 55.593364] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c6f479b8 [ 55.601339] ffffffff81451c92 024000c2c6f478f8 0000000041b58ab3 ffffffff84195b35 [ 55.609356] Call Trace: [ 55.611915] [] dump_stack+0xc1/0x128 [ 55.617250] [] warn_alloc+0x212/0x240 [ 55.622678] [] ? zone_watermark_ok_safe+0x280/0x280 [ 55.629314] [] ? avc_has_perm+0xb0/0x4f0 [ 55.634997] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 55.641460] [] __vmalloc_node_range+0x3f5/0x5f0 [ 55.647751] [] ? check_preemption_disabled+0x3b/0x200 [ 55.654560] [] ? task_has_security+0x130/0x270 [ 55.660761] [] vmalloc+0x5b/0x70 [ 55.666111] [] ? sel_write_load+0x130/0xfd0 [ 55.672051] [] sel_write_load+0x130/0xfd0 [ 55.677822] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 55.684715] [] ? futex_wake+0x146/0x440 [ 55.690306] [] ? sel_read_bool+0x250/0x250 [ 55.696159] [] ? sel_read_bool+0x250/0x250 [ 55.702013] [] __vfs_write+0x103/0x680 [ 55.707517] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 55.713979] [] ? __might_sleep+0x95/0x1a0 [ 55.719748] [] ? __lock_is_held+0xa1/0xf0 [ 55.725515] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 55.732336] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 55.738885] [] ? __sb_start_write+0x14a/0x310 [ 55.744997] [] vfs_write+0x189/0x530 [ 55.750332] [] SyS_pwrite64+0x13f/0x170 [ 55.755933] [] ? SyS_pread64+0x170/0x170 [ 55.761614] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 55.767729] [] sys32_pwrite+0x39/0x50 [ 55.773147] [] ? sys32_pread+0x50/0x50 [ 55.778654] [] do_fast_syscall_32+0x2f5/0x870 [ 55.784766] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.791416] [] entry_SYSENTER_compat+0x90/0xa2 [ 55.798566] Mem-Info: [ 55.801031] active_anon:53711 inactive_anon:43 isolated_anon:0 [ 55.801031] active_file:3486 inactive_file:8612 isolated_file:0 [ 55.801031] unevictable:0 dirty:331 writeback:0 unstable:0 [ 55.801031] slab_reclaimable:6718 slab_unreclaimable:59130 [ 55.801031] mapped:23820 shmem:50 pagetables:604 bounce:0 [ 55.801031] free:1475723 free_pcp:492 free_cma:0 [ 55.834605] Node 0 active_anon:214844kB inactive_anon:172kB active_file:13944kB inactive_file:34448kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95280kB dirty:1324kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 98304kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 55.864093] 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 [ 55.893535] lowmem_reserve[]: 0 2908 6410 6410 [ 55.898707] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 55.930054] lowmem_reserve[]: 0 0 3501 3501 [ 55.934949] Normal free:2907040kB min:36824kB low:46028kB high:55232kB active_anon:214844kB inactive_anon:172kB active_file:13944kB inactive_file:34448kB unevictable:0kB writepending:1324kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26872kB slab_unreclaimable:236520kB kernel_stack:5376kB pagetables:2416kB bounce:0kB free_pcp:1188kB local_pcp:548kB free_cma:0kB [ 55.968865] lowmem_reserve[]: 0 0 0 0 [ 55.973244] 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 [ 55.988617] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 56.005829] Normal: 144*4kB (UME) 107*8kB (UME) 155*16kB (UME) 86*32kB (UM) 169*64kB (UM) 23*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 6*2048kB (UM) 698*4096kB (M) = 2907080kB [ 56.025304] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.033871] 12149 total pagecache pages [ 56.037946] 0 pages in swap cache 2018/03/07 14:40:29 executing program 5: r0 = getpgrp(0x0) tgkill(r0, r0, 0x40) ioprio_set$pid(0x3, r0, 0x0) 2018/03/07 14:40:29 executing program 4: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:29 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={0x0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:29 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_SIOCBRADDBR(r0, 0x89a0, &(0x7f0000000100)='bcsh0\x00') connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) getsockopt$inet6_int(r0, 0x29, 0x38, &(0x7f0000000040), &(0x7f0000000080)=0x4) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e22, 0x5, @mcast1={0xff, 0x1, [], 0x1}, 0x1538}, 0x1c) 2018/03/07 14:40:29 executing program 6: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$int_out(r0, 0x5460, &(0x7f0000000140)) ioctl$int_out(r0, 0x2, &(0x7f0000001000)) r1 = syz_open_dev$sg(&(0x7f0000004ff7)='/dev/sg#\x00', 0x0, 0x0) ioctl(r1, 0x100000001, &(0x7f0000001000)) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000080)={0x1, [0x0]}, &(0x7f00000000c0)=0x8) getsockopt$inet6_int(r1, 0x29, 0xcf, &(0x7f0000000000), &(0x7f0000000040)=0x4) setsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000100)={r2, 0xa5, 0x6, [0x9, 0x0, 0x7e7d, 0x5, 0x1000, 0x1]}, 0x14) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000180)) 2018/03/07 14:40:29 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000000140)={0x2, 0x4e23, @broadcast=0xffffffff}, 0xfffffffffffffdf7) setfsuid(0x0) recvfrom$inet(r0, &(0x7f0000000000)=""/156, 0x9c, 0x2, &(0x7f00000000c0)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000240)={{{@in=@loopback, @in6=@loopback}}, {{@in=@multicast1}, 0x0, @in=@remote}}, &(0x7f0000000100)=0xe8) 2018/03/07 14:40:29 executing program 1: r0 = syz_open_dev$sg(&(0x7f00000001c0)='/dev/sg#\x00', 0x5, 0x40400) ioctl$EVIOCGUNIQ(r0, 0x80404508, &(0x7f0000000200)=""/4096) modify_ldt$write2(0x11, &(0x7f0000000000)={0x9a7}, 0x10) openat$selinux_relabel(0xffffffffffffff9c, &(0x7f0000001200)='/selinux/relabel\x00', 0x2, 0x0) modify_ldt$write2(0x11, &(0x7f0000000080)={0x0, 0x0, 0x1000}, 0x10) modify_ldt$write(0x1, &(0x7f0000000040)={0x2, 0x20000800, 0x400, 0x83cf, 0x8, 0x80000001, 0xfffffffffffffffc, 0x0, 0x1, 0xdfda}, 0x10) r1 = openat$selinux_status(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/status\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_MAXSEG(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000100)=@assoc_id=0x0, &(0x7f0000000140)=0x4) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000180)={r2, 0x3, 0xffffffff}, 0x8) 2018/03/07 14:40:29 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='/exe\x00\x00\x00\x00\x00\x00') fsetxattr(r0, &(0x7f0000000100)=@known='user.syz\x00', &(0x7f0000000140)='user.syz\x00', 0x9, 0x0) openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x0, 0x0) fcntl$setstatus(r0, 0x4, 0x0) 2018/03/07 14:40:29 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:29 executing program 5: getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffff9c, 0x29, 0x23, &(0x7f0000000080)={{{@in=@rand_addr, @in6=@empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@empty}, 0x0, @in=@local}}, &(0x7f0000000000)=0xe8) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={"bb1f74322500", r0}) 2018/03/07 14:40:29 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000100)=[@in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x11}}, @in6={0xa, 0x4e23, 0x6, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x7}, @in6={0xa, 0x4e23, 0x3, @loopback={0x0, 0x1}, 0x6}, @in={0x2, 0x4e22, @loopback=0x7f000001}, @in={0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}, @in={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0xc}}, @in={0x2, 0x4e20, @multicast1=0xe0000001}], 0x88) getsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000080)={0x2, [0x2, 0x100000001]}, &(0x7f00000000c0)=0x8) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) [ 56.041369] Swap cache stats: add 0, delete 0, find 0/0 [ 56.046699] Free swap = 0kB [ 56.049704] Total swap = 0kB [ 56.052698] 1965969 pages RAM [ 56.055769] 0 pages HighMem/MovableOnly [ 56.060172] 320510 pages reserved 2018/03/07 14:40:29 executing program 0: mmap(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x0, 0x32, 0xffffffffffffffff, 0x4) keyctl$join(0x1, &(0x7f0000000000)={0x73, 0x79, 0x7a}) 2018/03/07 14:40:29 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84000) setsockopt$l2tp_PPPOL2TP_SO_REORDERTO(r2, 0x111, 0x5, 0xfffffffffffffffe, 0x4) setsockopt$inet_sctp6_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000080)=0xbcd, 0x4) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x10, &(0x7f0000000280)={{{@in6=@mcast2, @in6=@local}}, {{@in=@dev}, 0x0, @in=@remote}}, &(0x7f0000000100)=0xe8) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000000380)={{{@in=@loopback, @in=@multicast1}}, {{@in6=@loopback}, 0x0, @in6=@loopback}}, &(0x7f0000000140)=0xe8) getsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f0000000480)={{{@in=@multicast2, @in=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in=@rand_addr}}, &(0x7f0000000180)=0xe8) setsockopt$inet6_mreq(r1, 0x29, 0x1e, &(0x7f00000000c0)={@mcast1={0xff, 0x1, [], 0x1}, r3}, 0x14) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000240)={'ip6tnl0\x00', 0x0}) setsockopt$inet6_mreq(r2, 0x29, 0x18, &(0x7f0000000040)={@mcast1={0xff, 0x1, [], 0x1}, r4}, 0xfffffc9c) msync(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x4) 2018/03/07 14:40:29 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$sock_int(r0, 0x1, 0x29, &(0x7f00000001c0)=0x5, 0x4) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000000)=0x100, 0x214) sendto$inet6(r0, &(0x7f00000000c0), 0x246, 0x0, &(0x7f0000005fe4)={0xa, 0x4e20, 0x100000002, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c) recvmsg(r0, &(0x7f0000001740)={&(0x7f0000000040)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @local}}}, 0x3a, &(0x7f0000001680)=[]}, 0x2000) fstat(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r3 = getgid() getresgid(&(0x7f0000000140), &(0x7f0000000180), &(0x7f0000000200)=0x0) sendfile(r0, r0, &(0x7f0000000500), 0x2) fstat(r1, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fstat(r1, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000340)={0x0, 0x0, 0x0}, &(0x7f0000000380)=0xc) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000003c0)={0x0, 0x0, 0x0}, &(0x7f0000000400)=0xc) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000440)={0x0, 0x0, 0x0}, &(0x7f0000000480)=0xc) setgroups(0x8, &(0x7f00000004c0)=[r2, r3, r4, r5, r6, r7, r8, r9]) 2018/03/07 14:40:29 executing program 5: r0 = socket(0x11, 0x2, 0xd) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) personality(0x400000) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x3) write(r0, &(0x7f0000594000)="1f0000000104ff00fd4354c007110000f305010008000100010423dcffdf00", 0x1f) write(r0, &(0x7f0000000280)="1f0000000104fffffd3b54c007110000f30501000b000500000000000000cf", 0x1f) [ 56.075054] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 56.103427] CPU: 1 PID: 8502 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 56.110980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.120326] ffff8801c52e78a8 ffffffff81d956f9 1ffff10038a5cf18 ffff8801c9090000 [ 56.128441] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c52e79b8 [ 56.136518] ffffffff81451c92 024000c2c52e78f8 0000000041b58ab3 ffffffff84195b35 [ 56.144527] Call Trace: [ 56.147097] [] dump_stack+0xc1/0x128 [ 56.152440] [] warn_alloc+0x212/0x240 [ 56.157873] [] ? zone_watermark_ok_safe+0x280/0x280 [ 56.164512] [] ? avc_has_perm+0xb0/0x4f0 [ 56.170193] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 56.176655] [] __vmalloc_node_range+0x3f5/0x5f0 [ 56.182955] [] ? check_preemption_disabled+0x3b/0x200 [ 56.189773] [] ? task_has_security+0x130/0x270 [ 56.195981] [] vmalloc+0x5b/0x70 [ 56.200971] [] ? sel_write_load+0x130/0xfd0 [ 56.206912] [] sel_write_load+0x130/0xfd0 [ 56.212701] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 56.219613] [] ? futex_wake+0x146/0x440 [ 56.225209] [] ? sel_read_bool+0x250/0x250 [ 56.231066] [] ? sel_read_bool+0x250/0x250 [ 56.236921] [] __vfs_write+0x103/0x680 [ 56.242432] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 56.248893] [] ? __might_sleep+0x95/0x1a0 [ 56.254664] [] ? __lock_is_held+0xa1/0xf0 [ 56.260441] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 56.267268] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 56.273820] [] ? __sb_start_write+0x14a/0x310 [ 56.279936] [] vfs_write+0x189/0x530 [ 56.285270] [] SyS_pwrite64+0x13f/0x170 [ 56.290867] [] ? SyS_pread64+0x170/0x170 2018/03/07 14:40:29 executing program 1: ioctl$TIOCGPGRP(0xffffffffffffff9c, 0x540f, &(0x7f0000000100)=0x0) r1 = syz_open_procfs(r0, &(0x7f00000000c0)="2f6578650000000000f208004bddd9de91be10eebf000ee9a90f798058439ed554fa07424adee901d2da75af1f0200f5ab26d7a071fb35331ce39c5a") fcntl$setstatus(r1, 0x4, 0x6000) ppoll(&(0x7f0000000000)=[{r1, 0x200}, {r1, 0x100}, {r1, 0x4000}], 0x3, &(0x7f0000000040)={0x77359400}, &(0x7f0000000080), 0x8) pread64(r1, &(0x7f0000000140)=""/4096, 0x1000, 0x0) 2018/03/07 14:40:29 executing program 3: r0 = socket$inet(0x2, 0x80000, 0x6b) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000100)='sit0\x00', 0x10) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000180)='/dev/sequencer2\x00', 0x0, 0x0) setsockopt$packet_fanout_data(r1, 0x107, 0x16, &(0x7f0000000200)={0x0, &(0x7f00000001c0)=[]}, 0x8) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4000) getpeername$packet(r3, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000080)=0x14) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$bt_l2cap_L2CAP_CONNINFO(r2, 0x6, 0x2, &(0x7f0000000140)={0x6, 0x7, 0x0, 0x6}, 0x6) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f00000000c0)=0x5, 0x3) [ 56.296549] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 56.302664] [] sys32_pwrite+0x39/0x50 [ 56.308084] [] ? sys32_pread+0x50/0x50 [ 56.313594] [] do_fast_syscall_32+0x2f5/0x870 [ 56.319708] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.326349] [] entry_SYSENTER_compat+0x90/0xa2 [ 56.337693] Mem-Info: [ 56.340390] active_anon:55820 inactive_anon:43 isolated_anon:0 [ 56.340390] active_file:3487 inactive_file:8614 isolated_file:0 [ 56.340390] unevictable:0 dirty:331 writeback:0 unstable:0 [ 56.340390] slab_reclaimable:6730 slab_unreclaimable:59173 [ 56.340390] mapped:23844 shmem:50 pagetables:651 bounce:0 [ 56.340390] free:1473400 free_pcp:424 free_cma:0 [ 56.374484] Node 0 active_anon:227456kB inactive_anon:172kB active_file:13956kB inactive_file:34488kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95292kB dirty:1360kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 90112kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.405762] 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 [ 56.435168] lowmem_reserve[]: 0 2908 6410 6410 [ 56.440365] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 56.471422] lowmem_reserve[]: 0 0 3501 3501 [ 56.476341] Normal free:2900804kB min:36824kB low:46028kB high:55232kB active_anon:221160kB inactive_anon:172kB active_file:13956kB inactive_file:34492kB unevictable:0kB writepending:1368kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26936kB slab_unreclaimable:236212kB kernel_stack:5472kB pagetables:2540kB bounce:0kB free_pcp:1000kB local_pcp:220kB free_cma:0kB [ 56.510274] lowmem_reserve[]: 0 0 0 0 [ 56.514643] 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 [ 56.530038] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 56.547297] Normal: 141*4kB (UME) 82*8kB (UM) 148*16kB (UME) 90*32kB (UM) 170*64kB (UM) 23*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 5*2048kB (UM) 697*4096kB (M) = 2900804kB [ 56.566603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 56.575173] 12162 total pagecache pages [ 56.579274] 0 pages in swap cache [ 56.582696] Swap cache stats: add 0, delete 0, find 0/0 [ 56.588049] Free swap = 0kB [ 56.591042] Total swap = 0kB [ 56.594026] 1965969 pages RAM [ 56.597124] 0 pages HighMem/MovableOnly [ 56.601074] 320510 pages reserved [ 56.604534] syz-executor4: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 56.614510] CPU: 0 PID: 8506 Comm: syz-executor4 Not tainted 4.9.86-gb324a70 #58 [ 56.622018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.631343] ffff8801c67678a8 ffffffff81d956f9 1ffff10038cecf18 ffff8801c5251800 [ 56.639304] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c67679b8 [ 56.647270] ffffffff81451c92 024000c2c67678f8 0000000041b58ab3 ffffffff84195b35 [ 56.655241] Call Trace: [ 56.657801] [] dump_stack+0xc1/0x128 [ 56.663135] [] warn_alloc+0x212/0x240 [ 56.668554] [] ? zone_watermark_ok_safe+0x280/0x280 [ 56.675187] [] ? avc_has_perm+0xb0/0x4f0 [ 56.680866] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 56.687328] [] __vmalloc_node_range+0x3f5/0x5f0 [ 56.693613] [] ? check_preemption_disabled+0x3b/0x200 [ 56.700421] [] ? task_has_security+0x130/0x270 [ 56.706620] [] vmalloc+0x5b/0x70 [ 56.711603] [] ? sel_write_load+0x130/0xfd0 [ 56.717550] [] sel_write_load+0x130/0xfd0 [ 56.723316] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 56.730209] [] ? futex_wake+0x146/0x440 [ 56.735802] [] ? sel_read_bool+0x250/0x250 [ 56.741656] [] ? sel_read_bool+0x250/0x250 [ 56.747510] [] __vfs_write+0x103/0x680 [ 56.753018] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 56.759481] [] ? __might_sleep+0x95/0x1a0 [ 56.765250] [] ? __lock_is_held+0xa1/0xf0 [ 56.771018] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 56.777827] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 56.784375] [] ? __sb_start_write+0x14a/0x310 [ 56.790490] [] vfs_write+0x189/0x530 [ 56.795822] [] SyS_pwrite64+0x13f/0x170 [ 56.801414] [] ? SyS_pread64+0x170/0x170 [ 56.807094] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 56.813468] [] sys32_pwrite+0x39/0x50 [ 56.818885] [] ? sys32_pread+0x50/0x50 [ 56.824389] [] do_fast_syscall_32+0x2f5/0x870 [ 56.830500] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.837135] [] entry_SYSENTER_compat+0x90/0xa2 [ 56.844579] Mem-Info: [ 56.847277] active_anon:54248 inactive_anon:43 isolated_anon:0 [ 56.847277] active_file:3489 inactive_file:8623 isolated_file:0 [ 56.847277] unevictable:0 dirty:343 writeback:0 unstable:0 [ 56.847277] slab_reclaimable:6734 slab_unreclaimable:59070 [ 56.847277] mapped:23799 shmem:50 pagetables:622 bounce:0 [ 56.847277] free:1475225 free_pcp:446 free_cma:0 [ 56.880535] Node 0 active_anon:216992kB inactive_anon:172kB active_file:13956kB inactive_file:34492kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95196kB dirty:1372kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 56.909953] 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 [ 56.939294] lowmem_reserve[]: 0 2908 6410 6410 [ 56.944448] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 56.975471] lowmem_reserve[]: 0 0 3501 3501 [ 56.980403] Normal free:2905048kB min:36824kB low:46028kB high:55232kB active_anon:216992kB inactive_anon:172kB active_file:13956kB inactive_file:34492kB unevictable:0kB writepending:1380kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26936kB slab_unreclaimable:236280kB kernel_stack:5440kB pagetables:2488kB bounce:0kB free_pcp:1004kB local_pcp:364kB free_cma:0kB [ 57.014317] lowmem_reserve[]: 0 0 0 0 [ 57.018695] 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 [ 57.033953] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 57.051129] Normal: 170*4kB (UME) 84*8kB (UM) 147*16kB (UME) 91*32kB (UM) 170*64kB (UM) 23*128kB (UM) 8*256kB (UM) 12*512kB (ME) 7*1024kB (UME) 7*2048kB (UM) 697*4096kB (M) = 2905048kB [ 57.070383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.079109] 12165 total pagecache pages [ 57.083061] 0 pages in swap cache [ 57.086480] Swap cache stats: add 0, delete 0, find 0/0 [ 57.091836] Free swap = 0kB [ 57.094827] Total swap = 0kB [ 57.097837] 1965969 pages RAM 2018/03/07 14:40:30 executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f00000000c0)={{0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, {0x0, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x2c, {0x2, 0x4e20, @multicast1=0xe0000001}, 'lo\x00'}) 2018/03/07 14:40:30 executing program 5: r0 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/pktcdvd/control\x00', 0x201, 0x0) getsockopt$bt_BT_DEFER_SETUP(r0, 0x112, 0x7, &(0x7f0000000040), &(0x7f0000000080)=0x4) ioctl$VT_RESIZEX(r0, 0x560a, &(0x7f00000000c0)={0x70, 0x0, 0x0, 0x4, 0xffffffff00000001, 0x67b}) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r1, 0x2000) sendto$inet6(r1, &(0x7f000014e000), 0x0, 0x20000004, &(0x7f0000b23000)={0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}}, 0x1c) 2018/03/07 14:40:30 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={0x0, 0x5f441e8, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:30 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) r1 = getpid() r2 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$TIOCLINUX6(r2, 0x541c, &(0x7f0000000080)={0x6, 0x1}) sched_getscheduler(r1) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='sit0\x00', 0x10) timer_create(0x0, &(0x7f0000000140)={0x0, 0x9, 0x1, @thr={&(0x7f00000002c0)="8a9a6a09151a79d2750cd0ea975f09add1526fa222603f15f7a33ab7e1096bbb1346f694fbf3b484abb566bbbac3f722edddb69e483109b86e919651e11a0804f353b922d56d7a62c3eafe0f2bfdbecf3af3b73a16610fefe42eebb4d817c5eca14d1c5971dca817c47405b803e2cda051ffaf9450fbcaba0f74c1ad5ad4f2f57430e401d25731c084a944a9b2beb4332951f0454844b59200aed5e4949f257790c6edf29ad4e02dab53f6763380a72ab46a580eb0d445e9fcbe6851d8e5799ae9d9d5b8fefba92f57fec8dc70bbac90ef79be0f79e30cc5d8713d0fa93d9a9f68f7671028", &(0x7f00000003c0)="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"}}, &(0x7f0000000180)=0x0) timer_settime(r3, 0x0, &(0x7f00000004c0)={{0x0, 0x989680}}, &(0x7f0000000500)) write$selinux_validatetrans(r2, &(0x7f0000000200)=ANY=[@ANYBLOB="73797374656d5f753a6f626a6563745f723a6d6e745f743a73302073797374656d5f753a6f626a6563745f723a64706b675f657865635f743a733020333720756e636f6e66696e65645f753a73797374656d5f723a696e736d6f645f043a73302d73303a63302e63313032330082146edb25fc44051eb14d43be3319afa975c45617897881b232196e6a86c9911b31d33710be04340adec6356fcce63c56de2803e1f03948cab8c90f9325297136f1d0b5234f176171"], 0x6d) capset(&(0x7f00000000c0)={0x399f1336, r1}, &(0x7f0000000100)={0xfffffffffffffffa, 0x1, 0x40, 0x101, 0x8, 0x9}) socketpair$inet6_icmp_raw(0xa, 0x3, 0x3a, &(0x7f00000001c0)) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:30 executing program 1: r0 = socket$inet6(0x10, 0x6, 0x100000001) r1 = fcntl$dupfd(r0, 0x406, r0) clock_gettime(0x0, &(0x7f00000032c0)={0x0, 0x0}) recvmmsg(r1, &(0x7f0000003200)=[{{&(0x7f0000000140)=@ethernet={0x0, @dev}, 0x80, &(0x7f0000000480)=[{&(0x7f00000001c0)=""/225, 0xe1}, {&(0x7f00000002c0)=""/47, 0x2f}, {&(0x7f0000000300)=""/228, 0xe4}, {&(0x7f0000000400)=""/67, 0x43}], 0x4, &(0x7f00000004c0)=""/3, 0x3, 0x7ff}, 0x5}, {{&(0x7f0000000500)=@can, 0x80, &(0x7f0000001a00)=[{&(0x7f0000000580)=""/166, 0xa6}, {&(0x7f0000000640)=""/35, 0x23}, {&(0x7f0000000680)=""/4096, 0x1000}, {&(0x7f0000001680)}, {&(0x7f00000016c0)=""/146, 0x92}, {&(0x7f0000001780)=""/144, 0x90}, {&(0x7f0000001840)=""/236, 0xec}, {&(0x7f0000001940)=""/17, 0x11}, {&(0x7f0000001980)=""/114, 0x72}], 0x9, &(0x7f0000001a80)=""/45, 0x2d, 0x3}, 0x8}, {{&(0x7f0000001ac0)=@hci={0x0, 0x0}, 0x80, &(0x7f0000001e00)=[{&(0x7f0000001b40)=""/133, 0x85}, {&(0x7f0000001c00)=""/4, 0x4}, {&(0x7f0000001c40)=""/68, 0x44}, {&(0x7f0000001cc0)=""/250, 0xfa}, {&(0x7f0000001dc0)=""/17, 0x11}], 0x5, &(0x7f0000001e40)=""/194, 0xc2, 0x7fff}, 0x28c}, {{0x0, 0x0, &(0x7f0000002000)=[{&(0x7f0000001f40)=""/170, 0xaa}], 0x1, &(0x7f0000002040)=""/112, 0x70, 0x200000000000}, 0x8}, {{&(0x7f00000020c0)=@in={0x0, 0x0, @rand_addr}, 0x80, &(0x7f0000003140)=[{&(0x7f0000002140)=""/4096, 0x1000}], 0x1, &(0x7f0000003180)=""/113, 0x71, 0xfbc}, 0x1f}], 0x5, 0x22, &(0x7f0000003300)={r2, r3+30000000}) ioctl$SNDRV_TIMER_IOCTL_PVERSION(r1, 0x80045400, &(0x7f00000000c0)) stat(&(0x7f0000003340)='./file0\x00', &(0x7f0000003380)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_IPSEC_POLICY(r1, 0x29, 0x22, &(0x7f0000003500)={{{@in=@multicast1=0xe0000001, @in6=@loopback={0x0, 0x1}, 0x4e20, 0xe3, 0x4e24, 0x0, 0x2, 0x20, 0xa0, 0x0, r4, r5}, {0x1, 0x4, 0x9, 0x1, 0x4091, 0x7, 0x100000000}, {0x7f, 0x5, 0x0, 0x3}, 0x893, 0x6e6bbd, 0x1, 0x0, 0x3, 0x2}, {{@in6=@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0x4d2}, 0xa, @in6=@mcast2={0xff, 0x2, [], 0x1}, 0x0, 0x0, 0x1, 0x4, 0x5, 0x400, 0xaed}}, 0xe8) getsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000040)={0x0, 0x3f, 0xc303, 0x6, 0x9, 0x2271}, &(0x7f0000000080)=0x14) getsockopt$inet_sctp_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000001680)=ANY=[@ANYRES32=r6, @ANYBLOB="030001000400ef174612a1281cfbc23b101f00fa38144a3f782c919759bd3e73a8c17742dfed87f64bc98badc3a03a352d58eaa13f8d8e16ec03"], &(0x7f0000000100)=0xa) ioctl$GIO_SCRNMAP(r1, 0x4b40, &(0x7f0000000000)=""/46) 2018/03/07 14:40:30 executing program 6: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000ff0ffc)=0x8000000000004, 0x9c) r1 = socket$packet(0x11, 0x3, 0x300) recvfrom(r1, &(0x7f0000bf5000)=""/228, 0xe4, 0x0, &(0x7f0000cb1ff7)=@rc={0x1f}, 0x9) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) r3 = socket(0x10, 0x2, 0x0) write(r3, &(0x7f0000b94000)="1f000000520007f2200094fef5060043fffffffe0047131ab4a500ffffb92b", 0x1f) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000100)={0x0, @in={{0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x0, 0x8000}, &(0x7f00000001c0)=0x88) setsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r2, 0x84, 0x6, &(0x7f0000000200)={r4, @in={{0x2, 0x4e23, @multicast1=0xe0000001}}}, 0x84) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0x3}, 0x4) sendto$inet(r0, &(0x7f0000865000), 0xffe4, 0x0, &(0x7f0000fd9ff0)={0x2, 0x4e20, @rand_addr}, 0x10) poll(&(0x7f0000df4000)=[{r1}], 0x0, 0x0) r5 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x0, 0x0) getsockopt$bt_BT_SNDMTU(r5, 0x112, 0xc, &(0x7f0000000040)=0x5, &(0x7f0000000080)=0x2) 2018/03/07 14:40:30 executing program 4: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x8000, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000080)={@remote={0xfe, 0x80, [], 0xbb}, 0xfff, 0x1, 0x3, 0x0, 0x6, 0x10001, 0xffffffff}, 0x20) r1 = socket(0x11, 0x800000003, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f00000000c0)={'sit0\x00', 0x0}) bind$packet(r1, &(0x7f0000000040)={0x11, 0x3, r2, 0x1, 0x0, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x14) setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000780), 0x4) 2018/03/07 14:40:30 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) timer_create(0x3, &(0x7f0000000100)={0x0, 0x31, 0x6, @tid=0xffffffffffffffff}, &(0x7f0000000140)=0x0) timer_settime(r1, 0x1, &(0x7f0000000180)={{0x77359400}, {0x77359400}}, 0x0) getsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000040), &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f00000000c0)=0xb1, 0x4) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rfkill\x00', 0x20000, 0x0) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r2, 0x403c5404, &(0x7f0000000200)={{0xffffffffffffffff, 0x2, 0x5, 0x3, 0x3}, 0x2, 0x5}) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f0000000140)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f00000000c0)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:30 executing program 1: r0 = socket(0x40001, 0x2, 0x8000) connect(r0, &(0x7f00000001c0)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x4, 0x0, 0x0, 0x0, {0xa, 0x4e20, 0x0, @empty}}}, 0x32) setsockopt(r0, 0x111, 0x0, &(0x7f0000f27000), 0xcb8cf6) setsockopt$sock_linger(r0, 0x1, 0xd, &(0x7f0000000040)={0x0, 0x5}, 0x8) r1 = memfd_create(&(0x7f0000000080)='dummy0\x00', 0x2) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x1) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000000)={'dummy0\x00', {0x2, 0x4e23, @broadcast=0xffffffff}}) 2018/03/07 14:40:30 executing program 0: socketpair$unix(0x1, 0x4, 0x0, &(0x7f0000000080)) r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) ioctl$LOOP_CTL_GET_FREE(r0, 0x4c82) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) 2018/03/07 14:40:30 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2\x00', 0x200000, 0x0) ioctl$sock_inet6_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000080)) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) mq_timedsend(r1, &(0x7f00000000c0)="692c6789db0d0f24283315a169424043299148eac72b7b356e01322bf44c34a88a52e9189fbaa46bfe1bf83787ea6407fb63055acaacbd2e044743ba56ef78380165b63fe0fab2043f58a5c28fe80b4eab1aac795827a0ab59df3c740b0822dc2230e7691f9dc9bf60b26f57", 0x6c, 0x3ff, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='ip6gretap0\x00', 0x10) 2018/03/07 14:40:30 executing program 5: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0xd, &(0x7f0000ef5000)=':', 0x1) r1 = accept4(r0, &(0x7f0000000040)=@generic, &(0x7f00000000c0)=0x80, 0x800) setsockopt$inet_int(r0, 0x0, 0x2, &(0x7f0000000100)=0x1, 0xfffffffffffffd9b) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f00007e5000)=0x7fe, 0x7c) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20, @empty}, 0x10) stat(&(0x7f0000000180)='./file0\x00', &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) chown(&(0x7f0000000300)='./file0\x00', r2, r3) recvmsg(r1, &(0x7f0000edffc8)={0x0, 0x0, &(0x7f0000aea000)=[], 0x0, &(0x7f0000eed000)=""/81, 0x51, 0xfffffffffffffffc}, 0x40002103) setsockopt$sock_int(r1, 0x1, 0x1e, &(0x7f0000000000)=0x4, 0x4) ioctl$sock_inet_tcp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000140)) bind$bt_l2cap(r1, &(0x7f0000000340)={0x1f, 0x8, {0x1441, 0x7, 0x9, 0x7ff, 0x9}, 0x3, 0x7c0}, 0xe) [ 57.100918] 0 pages HighMem/MovableOnly [ 57.104857] 320510 pages reserved 2018/03/07 14:40:30 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) r2 = dup2(r1, r0) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000100)={0xfe8, {{0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0x1, 0x1, [{{0x2, 0x4e23, @loopback=0x7f000001}}]}, 0x10c) bind$inet(r1, &(0x7f000000f000)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) connect$inet(r2, &(0x7f0000f6a000)={0x2, 0x4e20, @multicast2=0xe0000002}, 0x10) setsockopt$inet_mreqsrc(r2, 0x0, 0x27, &(0x7f00000000c0)={@multicast2=0xe0000002, @loopback=0x7f000001, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0xc) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f0000f69ff4)={@multicast2=0xe0000002, @loopback=0x7f000001, @empty}, 0xc) [ 57.137598] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 57.157371] CPU: 0 PID: 8570 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 57.164905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.174245] ffff8801c9ac78a8 ffffffff81d956f9 1ffff10039358f18 ffff8801c5079800 [ 57.182256] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c9ac79b8 [ 57.190306] ffffffff81451c92 024000c2c9ac78f8 0000000041b58ab3 ffffffff84195b35 [ 57.198316] Call Trace: [ 57.200903] [] dump_stack+0xc1/0x128 [ 57.202795] IPv4: Oversized IP packet from 127.0.0.1 [ 57.209990] IPv4: Oversized IP packet from 127.0.0.1 [ 57.216392] [] warn_alloc+0x212/0x240 [ 57.221825] [] ? zone_watermark_ok_safe+0x280/0x280 [ 57.228481] [] ? avc_has_perm+0xb0/0x4f0 [ 57.234169] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 57.240635] [] __vmalloc_node_range+0x3f5/0x5f0 [ 57.246937] [] ? check_preemption_disabled+0x3b/0x200 [ 57.253755] [] ? task_has_security+0x130/0x270 [ 57.259963] [] vmalloc+0x5b/0x70 [ 57.264951] [] ? sel_write_load+0x130/0xfd0 [ 57.270892] [] sel_write_load+0x130/0xfd0 [ 57.276661] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 57.283564] [] ? futex_wake+0x146/0x440 [ 57.289169] [] ? sel_read_bool+0x250/0x250 [ 57.295026] [] ? sel_read_bool+0x250/0x250 [ 57.300886] [] __vfs_write+0x103/0x680 [ 57.306400] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 57.312867] [] ? __might_sleep+0x95/0x1a0 [ 57.318639] [] ? __lock_is_held+0xa1/0xf0 [ 57.324409] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 57.331223] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 57.337780] [] ? __sb_start_write+0x14a/0x310 [ 57.343895] [] vfs_write+0x189/0x530 [ 57.349229] [] SyS_pwrite64+0x13f/0x170 [ 57.354822] [] ? SyS_pread64+0x170/0x170 [ 57.360504] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 57.366619] [] sys32_pwrite+0x39/0x50 [ 57.372042] [] ? sys32_pread+0x50/0x50 [ 57.377566] [] do_fast_syscall_32+0x2f5/0x870 [ 57.383691] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.390331] [] entry_SYSENTER_compat+0x90/0xa2 [ 57.401966] Mem-Info: [ 57.404689] active_anon:54240 inactive_anon:43 isolated_anon:0 [ 57.404689] active_file:3489 inactive_file:8630 isolated_file:0 [ 57.404689] unevictable:0 dirty:348 writeback:0 unstable:0 [ 57.404689] slab_reclaimable:6763 slab_unreclaimable:59220 [ 57.404689] mapped:23814 shmem:50 pagetables:621 bounce:0 [ 57.404689] free:1474877 free_pcp:524 free_cma:0 [ 57.438690] Node 0 active_anon:216960kB inactive_anon:172kB active_file:13956kB inactive_file:34520kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95256kB dirty:1396kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 57.468262] 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 [ 57.498704] lowmem_reserve[]: 0 2908 6410 6410 [ 57.503896] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 57.534785] lowmem_reserve[]: 0 0 3501 3501 [ 57.539731] Normal free:2904016kB min:36824kB low:46028kB high:55232kB active_anon:216960kB inactive_anon:172kB active_file:13956kB inactive_file:34520kB unevictable:0kB writepending:1400kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27040kB slab_unreclaimable:236576kB kernel_stack:5472kB pagetables:2484kB bounce:0kB free_pcp:1368kB local_pcp:684kB free_cma:0kB [ 57.573803] lowmem_reserve[]: 0 0 0 0 [ 57.578258] 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 [ 57.593574] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 57.610809] Normal: 66*4kB (UME) 87*8kB (UME) 132*16kB (UME) 89*32kB (UME) 171*64kB (UM) 24*128kB (UME) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 7*2048kB (UM) 697*4096kB (M) = 2904288kB [ 57.630354] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.638916] 12171 total pagecache pages [ 57.642869] 0 pages in swap cache [ 57.646289] Swap cache stats: add 0, delete 0, find 0/0 [ 57.651645] Free swap = 0kB 2018/03/07 14:40:31 executing program 5: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_int(r0, 0x107, 0x2, &(0x7f0000006ffc)=0x80000001, 0x4) r1 = accept4$unix(0xffffffffffffff9c, &(0x7f0000000000)=@file, &(0x7f0000000080)=0x6e, 0x80000) getpeername$unix(r1, &(0x7f00000000c0)=@abs, &(0x7f0000000140)=0x6e) 2018/03/07 14:40:31 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000ad7000)={0x1, &(0x7f0000acbff8)=[{0x6, 0x0, 0x0, 0x6}]}, 0x10) ioctl$sock_inet6_tcp_SIOCINQ(r0, 0x541b, &(0x7f0000000000)) setsockopt$inet6_int(r0, 0x29, 0x42, &(0x7f000098dffc)=0x6, 0x4) bind$inet6(r0, &(0x7f0000807fe4)={0xa, 0x4e22, 0x0, @empty}, 0x1c) sendto$inet6(r0, &(0x7f00002a0b14), 0x0, 0x200408d4, &(0x7f000072e000)={0xa, 0x4e22, 0x0, @loopback={0x0, 0x1}}, 0x1c) sendto$inet6(r0, &(0x7f0000000080)='b', 0x1, 0x0, &(0x7f0000000100)={0xa, 0x4e20, 0x0, @dev={0xfe, 0x80}}, 0x1c) sendto$inet6(r0, &(0x7f0000ad6fad)="1d", 0x1, 0x811, &(0x7f00000e4fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) munmap(&(0x7f0000ffb000/0x2000)=nil, 0x2000) 2018/03/07 14:40:31 executing program 3: socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) getsockopt$IPT_SO_GET_REVISION_TARGET(r0, 0x0, 0x43, &(0x7f00000000c0)={'TPROXY\x00'}, &(0x7f0000000100)=0x1e) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000000)='sit0\x00', 0x10) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r2 = accept4$ipx(0xffffffffffffffff, 0x0, &(0x7f0000000040), 0x80000) lseek(r2, 0x0, 0x1) 2018/03/07 14:40:31 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) setsockopt$inet6_opts(r0, 0x29, 0x37, &(0x7f0000000040)=@srh={0xbf, 0xa, 0x4, 0x5, 0x2, 0x1f, 0x30, [@mcast1={0xff, 0x1, [], 0x1}, @loopback={0x0, 0x1}, @empty, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, @empty]}, 0x58) setsockopt$inet6_MCAST_MSFILTER(r0, 0x29, 0x30, &(0x7f0000000540)={0x8, {{0xa, 0x4e23, 0x7fffffff, @local={0xfe, 0x80, [], 0xaa}, 0x10}}, 0x1, 0x9, [{{0xa, 0x4e22, 0xa0b, @remote={0xfe, 0x80, [], 0xbb}, 0x800}}, {{0xa, 0x4e21, 0x2, @loopback={0x0, 0x1}, 0x8001}}, {{0xa, 0x4e20, 0xffffffffffffff19, @mcast2={0xff, 0x2, [], 0x1}, 0x8001}}, {{0xa, 0x4e23, 0x4, @empty, 0x288}}, {{0xa, 0x4e20, 0x7, @dev={0xfe, 0x80, [], 0xc}, 0x9}}, {{0xa, 0x4e20, 0x500000, @dev={0xfe, 0x80, [], 0x11}, 0xfffffffeffffffff}}, {{0xa, 0x4e23, 0x7, @dev={0xfe, 0x80, [], 0xb}, 0x5}}, {{0xa, 0x4e23, 0x7f, @empty, 0x1000}}, {{0xa, 0x4e21, 0x8, @local={0xfe, 0x80, [], 0xaa}, 0x5}}]}, 0x50c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f00000002c0)=[{&(0x7f00000000c0)="afd87542d8b3e7a7bb091e81d49975ba2da6aa3212f076711db1817ad26ce8e4c2db19d1abc6c7a52135f96a47405723f835a286c6f398ab91270cb8f07bfac4c45cdc0634c6963b6e90991f8d3770e021601c3facf8268fb871e070493f36137a29a1e7e680a30fd0ae03514b238f626e61505ec1c259ef625d3be22faa789743ea83237f23e45e2928cf1962901f161888b3663620fa04ba7865a5c326a7874d04b8cd3f1beeca83d34eed3333481af70e8095c310ede0763c258302f21aa5d5d57d344abc7ebeac32e657025a1a64dee2863738796c1c6607c5", 0xdb}, {&(0x7f00000001c0)="b416ef7bf738a64ec4bbd5d5b26840502634d81181732c0e8b4616747e609c5ef95074bbf7382dfde51e4954fc530f1dcfbb5dc528e7673ba431b9e7a7ca49b76c4ba650a434dd061c48fd7312d98dc51ef12eea7bd74ee17d5ffc4eed4296d3accced22b5dfedb6f581432eb5cba7", 0x6f}, {&(0x7f0000000240)="4549d6b55827abfc729f1063e71f94de6e625d515191ef78858671412896857acb677f36df1051e9596933f3b1b32f967d2532478a77c729b1bc72b462393fa574718104040734e93230309d7aa204961b12253ac9db18ff7b20bded5c41649b281f142a76352fdd0b1d3b6d56262ff7c3e23e", 0x73}], 0x3, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e8701f5270c4b4c8546060876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb0000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:31 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = open(&(0x7f0000002680)='./file0\x00', 0x400000, 0x66) getsockopt$ARPT_SO_GET_ENTRIES(r1, 0x0, 0x61, &(0x7f0000002940)=ANY=[@ANYBLOB="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"], &(0x7f0000002800)=0x10f) r2 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x0, 0x101000) ioctl$sock_inet_tcp_SIOCOUTQNSD(r2, 0x894b, &(0x7f0000000040)) ioctl$TUNATTACHFILTER(r2, 0x400854d5, &(0x7f0000002880)={0x4, &(0x7f0000002840)=[{0x1, 0x8001, 0xfffffffffffffff9}, {0x6, 0x106d, 0x8001, 0x7}, {0xff, 0x1ff, 0xb5f1, 0x8}, {0x0, 0x400, 0x1, 0x3}]}) ioctl$PPPOEIOCDFWD(r2, 0xb101, 0x0) symlink(&(0x7f00000028c0)='./file0\x00', &(0x7f0000002900)='./file0\x00') sendmsg$inet_sctp(r2, &(0x7f0000002640)={&(0x7f0000000080)=@in={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10, &(0x7f00000025c0)=[{&(0x7f00000000c0)="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", 0x1000}, {&(0x7f00000010c0)="6d1a67fd75e2f97049aa89f4bed28da35985517af4984aec8b608c93ae1d1e91caa394b4f1cf56ca5e94499d84ad94165b73280af90012f2dac761549e528f6c16a068df4e6cf63a49804cae1d8f178e5abe0d000000000000000000", 0x5c}, {&(0x7f0000001140)="d96ba23bd298667c72219fed5a97acdf483ff67b22dcd7cb1be09f9f053e4e77ede1a310e00afc6806c431ca84472fd9d5916f4ad0d108e2d2bda49acd2632fe5ad85fd60bdafdc5b645c926fdf76e18fe8c327d3054bde6a4679cf1377f1d05d062d18861f32e29626be0cb13c487a3c5a0326ffb55faff331653e66474e487e9e1914f45945b5a0a4974307a57f11533a181b50cb75d2a4a878802e6a50e2c", 0xa0}, {&(0x7f0000001200)="f207e0f6f38907fd6e8d97a3484bf0624796f5d0a19cca6a0bc108b4cd52f2f44f8ac739f82af4c78387a1d6a621664be7e1dd3522e0f1b1f426fb40a47265", 0x3f}, {&(0x7f0000001240)="79f66e8254157f31865dc729ce665a78f466358d450fd6530d1a368399e9e645ab43900e35e67a71dfd53730714671eba76f515fb58e4709a3887eb0f25d373b0eae7ca985340d9a3a227496fea44effa5f97fa2b9629c24e98c4e88dba2414dd34680dfb34162c9110f7dd920f4457eaa9c202e1d0dec7f15d18353b46beaa17f", 0x94}, {&(0x7f0000001300)="1ff6fdc1c95722fdf8844ed3395a8cf5fba2536c87b72c78d6a4d5c0c848c4fc8780ab5fac7d592a2b534025d4f08005642f430800f9994768691673da219ff2386b7f7fdf485b9a726fe6d86afcdc2dc218d64b10163783f1477d81388f4861fda5a492680caa7281ca5dbe98de82378da733b32fae440001f5dcb8be23fdcfd9f17a23e914b5c54a3b4548a088b480a346e6daddcdb6ab20b82bd475e0f1db1887b65980dd01d809103d436c97253829592272dafe7384544f0310147f5c6120b67f", 0xc3}, {&(0x7f0000001400)="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0x1000}, {&(0x7f0000002400)="54dc0fc1d9f1d2e97f58b2800fbd57e54c13f30c1e008e3fcadf7907172a140392841755d6804c3293dd6d4d3ef92e46e5affe3aca88e5269c55d75d8c7a98a57639ef3d9fa1084f804e038115e6f815a77bb68e0c345d99428bb7800aeb2f53a1ad8777e312c7c40ba6af916426d3438580343034f6a3241e58b8d743bf0ea60babb1e76bcf3704b1b7afb444a2c68bfe554a956414ecbd6af862846127e7850122e012ed402b8fe361236de27c376cd3c725e30c2d38c4023fb6e375142ea7c0c0", 0xc4}, {&(0x7f0000002500)="b925e5eb2fd22b0f40b0eab9866f984ec6187abe17284788a2eccc2d3dc9695140616791b75cd3bfb1f1309c6a77287401a78a41a76f907e66258292fb8e00bc69901a9136aff1583d64a16eb3d1706a10f18882c32c5531a7b7d3881157ce7934fd522a51425dba9cf9b76fb0f59d354f86e575ecd220abca5ac88436c9990a6e2459c573b8d3863c46d997", 0x8c}], 0x9, 0x0, 0x0, 0x4040840}, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x11d, 0x20000004, &(0x7f0000cc7fe4)={0xa, 0x4e20, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, 0x5) 2018/03/07 14:40:31 executing program 6: futex(&(0x7f000000cffc)=0x4, 0x9, 0x4, &(0x7f0000000000)={0x77359400}, &(0x7f0000048000), 0x7fff) r0 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffc) request_key(&(0x7f0000000040)='keyring\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000100)='\x00', r0) futex(&(0x7f000000cffc), 0xa, 0x0, &(0x7f00006f7000)={0xfffffffffffffffc, 0x100000000000000}, &(0x7f0000000080), 0x20) 2018/03/07 14:40:31 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f000001bfc8)={&(0x7f0000016000)={0x10}, 0xc, &(0x7f000000b000)={&(0x7f0000000000)=ANY=[@ANYBLOB="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"], 0x30}, 0x1}, 0x0) 2018/03/07 14:40:31 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x0, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:31 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) [ 57.654637] Total swap = 0kB [ 57.657646] 1965969 pages RAM [ 57.660725] 0 pages HighMem/MovableOnly [ 57.664669] 320510 pages reserved [ 57.690711] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=51737 sclass=netlink_route_socket pig=8602 comm=syz-executor0 2018/03/07 14:40:31 executing program 7: accept4$packet(0xffffffffffffff9c, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f00000000c0)=0x14, 0x80000) ioctl$sock_inet6_SIOCDIFADDR(0xffffffffffffffff, 0x8936, &(0x7f0000000100)={@loopback={0x0, 0x1}, 0x30, r0}) r1 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) socket$nl_xfrm(0x10, 0x3, 0x6) sendmmsg(r1, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) [ 57.694982] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 57.694993] CPU: 0 PID: 8600 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 57.694998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.695012] ffff8801c985f8a8 ffffffff81d956f9 1ffff1003930bf18 ffff8801c539c800 [ 57.695024] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c985f9b8 2018/03/07 14:40:31 executing program 1: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x0, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:31 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x2000000000000074, &(0x7f00000003c0)=[], 0xfffffcc4}, 0x1000000000000000}, {{&(0x7f0000000040)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0xfffffffffffffffe) 2018/03/07 14:40:31 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer2\x00', 0x20000, 0x0) connect(r0, &(0x7f00000000c0)=@in={0x2, 0x4e24, @multicast1=0xe0000001}, 0x80) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r1, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0x4) 2018/03/07 14:40:31 executing program 4: keyctl$join(0x1, &(0x7f0000000000)={0x73, 0x79, 0x7a}) keyctl$session_to_parent(0x12) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x8800, 0x0) [ 57.695038] ffffffff81451c92 024000c2c985f8f8 0000000041b58ab3 ffffffff84195b35 [ 57.695040] Call Trace: [ 57.695052] [] dump_stack+0xc1/0x128 [ 57.695062] [] warn_alloc+0x212/0x240 [ 57.695070] [] ? zone_watermark_ok_safe+0x280/0x280 2018/03/07 14:40:31 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:31 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) [ 57.695078] [] ? avc_has_perm+0xb0/0x4f0 [ 57.695089] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 57.695100] [] __vmalloc_node_range+0x3f5/0x5f0 [ 57.695111] [] ? check_preemption_disabled+0x3b/0x200 [ 57.695119] [] ? task_has_security+0x130/0x270 [ 57.695126] [] vmalloc+0x5b/0x70 [ 57.695133] [] ? sel_write_load+0x130/0xfd0 [ 57.695140] [] sel_write_load+0x130/0xfd0 [ 57.695148] [] ? sel_read_bool+0x250/0x250 [ 57.695156] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 57.695164] [] ? finish_task_switch+0x1ed/0x630 [ 57.695171] [] ? finish_task_switch+0x1c1/0x630 [ 57.695178] [] ? __schedule+0x64d/0x1ba0 [ 57.695186] [] ? sel_read_bool+0x250/0x250 [ 57.695194] [] __vfs_write+0x103/0x680 [ 57.695201] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 57.695209] [] ? __might_sleep+0x95/0x1a0 [ 57.695217] [] ? __lock_is_held+0xa1/0xf0 [ 57.695226] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 57.695234] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 57.695241] [] ? __sb_start_write+0x14a/0x310 [ 57.695248] [] vfs_write+0x189/0x530 [ 57.695256] [] SyS_pwrite64+0x13f/0x170 [ 57.695263] [] ? SyS_pread64+0x170/0x170 [ 57.695272] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 57.695279] [] sys32_pwrite+0x39/0x50 [ 57.695285] [] ? sys32_pread+0x50/0x50 [ 57.695293] [] do_fast_syscall_32+0x2f5/0x870 [ 57.695299] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.695307] [] entry_SYSENTER_compat+0x90/0xa2 [ 57.695310] Mem-Info: [ 57.695327] active_anon:56384 inactive_anon:43 isolated_anon:0 [ 57.695327] active_file:3489 inactive_file:8636 isolated_file:0 [ 57.695327] unevictable:0 dirty:354 writeback:0 unstable:0 [ 57.695327] slab_reclaimable:6761 slab_unreclaimable:59157 [ 57.695327] mapped:23818 shmem:50 pagetables:671 bounce:0 [ 57.695327] free:1472855 free_pcp:351 free_cma:0 [ 57.695341] Node 0 active_anon:225536kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95272kB dirty:1416kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 57.695357] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 57.695382] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 57.695408] Normal free:2895568kB min:36824kB low:46028kB high:55232kB active_anon:225536kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB writepending:1416kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27044kB slab_unreclaimable:236628kB kernel_stack:5888kB pagetables:2684kB bounce:0kB free_pcp:632kB local_pcp:160kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 57.695457] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 60*4kB (UME) 80*8kB (UME) 130*16kB (UME) 72*32kB (UME) 171*64kB (UM) 25*128kB (UME) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 1*2048kB (U) 698*4096kB (M) = 2895568kB [ 57.695551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.695554] 12174 total pagecache pages [ 57.695924] 0 pages in swap cache [ 57.695928] Swap cache stats: add 0, delete 0, find 0/0 [ 57.695931] Free swap = 0kB [ 57.695933] Total swap = 0kB [ 57.695936] 1965969 pages RAM [ 57.695939] 0 pages HighMem/MovableOnly [ 57.695941] 320510 pages reserved [ 57.775708] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 57.775718] CPU: 0 PID: 8616 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 57.775723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.775737] ffff8801c50078a8 ffffffff81d956f9 1ffff10038a00f18 ffff8801d9678000 [ 57.775748] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c50079b8 [ 57.775760] ffffffff81451c92 024000c2c50078f8 0000000041b58ab3 ffffffff84195b35 [ 57.775761] Call Trace: [ 57.775776] [] dump_stack+0xc1/0x128 [ 57.775787] [] warn_alloc+0x212/0x240 [ 57.775795] [] ? zone_watermark_ok_safe+0x280/0x280 [ 57.775806] [] ? avc_has_perm+0xb0/0x4f0 [ 57.775819] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 57.775827] [] __vmalloc_node_range+0x3f5/0x5f0 [ 57.775838] [] ? check_preemption_disabled+0x3b/0x200 [ 57.775846] [] ? task_has_security+0x130/0x270 [ 57.775854] [] vmalloc+0x5b/0x70 [ 57.775861] [] ? sel_write_load+0x130/0xfd0 [ 57.775868] [] sel_write_load+0x130/0xfd0 [ 57.775876] [] ? sel_read_bool+0x250/0x250 [ 57.775884] [] ? sel_read_bool+0x250/0x250 [ 57.775891] [] __vfs_write+0x103/0x680 [ 57.775899] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 57.775908] [] ? __might_sleep+0x95/0x1a0 [ 57.775916] [] ? __lock_is_held+0xa1/0xf0 [ 57.775924] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 57.775930] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 57.775937] [] ? __sb_start_write+0x14a/0x310 [ 57.775944] [] vfs_write+0x189/0x530 [ 57.775951] [] SyS_pwrite64+0x13f/0x170 [ 57.775958] [] ? SyS_pread64+0x170/0x170 [ 57.775966] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 57.775974] [] sys32_pwrite+0x39/0x50 [ 57.775980] [] ? sys32_pread+0x50/0x50 [ 57.775987] [] do_fast_syscall_32+0x2f5/0x870 [ 57.775994] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.776002] [] entry_SYSENTER_compat+0x90/0xa2 [ 57.794413] Mem-Info: [ 57.794440] active_anon:54259 inactive_anon:43 isolated_anon:0 [ 57.794440] active_file:3489 inactive_file:8636 isolated_file:0 [ 57.794440] unevictable:0 dirty:354 writeback:0 unstable:0 [ 57.794440] slab_reclaimable:6761 slab_unreclaimable:59198 [ 57.794440] mapped:23843 shmem:50 pagetables:634 bounce:0 [ 57.794440] free:1474939 free_pcp:501 free_cma:0 [ 57.794459] Node 0 active_anon:217036kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95372kB dirty:1416kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 57.794480] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 57.794514] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 57.794546] Normal free:2903904kB min:36824kB low:46028kB high:55232kB active_anon:217036kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB writepending:1416kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27044kB slab_unreclaimable:236792kB kernel_stack:5568kB pagetables:2536kB bounce:0kB free_pcp:1232kB local_pcp:648kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 57.794600] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 68*4kB (UME) 68*8kB (UM) 107*16kB (UME) 91*32kB (UME) 171*64kB (UM) 25*128kB (UME) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 7*2048kB (UM) 697*4096kB (M) = 2903936kB [ 57.795662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.795665] 12174 total pagecache pages [ 57.795668] 0 pages in swap cache [ 57.795672] Swap cache stats: add 0, delete 0, find 0/0 [ 57.795678] Free swap = 0kB [ 57.795719] Total swap = 0kB [ 57.795721] 1965969 pages RAM [ 57.795724] 0 pages HighMem/MovableOnly [ 57.795726] 320510 pages reserved [ 57.820184] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 57.820194] CPU: 1 PID: 8628 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 57.820199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.820213] ffff8801c9ac78a8 ffffffff81d956f9 1ffff10039358f18 ffff8801b193e000 [ 57.820226] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c9ac79b8 [ 57.820236] ffffffff81451c92 024000c2c9ac78f8 0000000041b58ab3 ffffffff84195b35 [ 57.820238] Call Trace: [ 57.820251] [] dump_stack+0xc1/0x128 [ 57.820261] [] warn_alloc+0x212/0x240 [ 57.820271] [] ? zone_watermark_ok_safe+0x280/0x280 [ 57.820283] [] ? avc_has_perm+0xb0/0x4f0 [ 57.820294] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 57.820302] [] __vmalloc_node_range+0x3f5/0x5f0 [ 57.820312] [] ? check_preemption_disabled+0x3b/0x200 [ 57.820321] [] ? task_has_security+0x130/0x270 [ 57.820328] [] vmalloc+0x5b/0x70 [ 57.820338] [] ? sel_write_load+0x130/0xfd0 [ 57.820345] [] sel_write_load+0x130/0xfd0 [ 57.820356] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 57.820362] [] ? futex_wake+0x146/0x440 [ 57.820370] [] ? sel_read_bool+0x250/0x250 [ 57.820379] [] ? sel_read_bool+0x250/0x250 [ 57.820388] [] __vfs_write+0x103/0x680 [ 57.820396] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 57.820404] [] ? __might_sleep+0x95/0x1a0 [ 57.820413] [] ? __lock_is_held+0xa1/0xf0 [ 57.820421] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 57.820428] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 57.820434] [] ? __sb_start_write+0x14a/0x310 [ 57.820441] [] vfs_write+0x189/0x530 [ 57.820448] [] SyS_pwrite64+0x13f/0x170 [ 57.820454] [] ? SyS_pread64+0x170/0x170 [ 57.820461] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 57.820468] [] sys32_pwrite+0x39/0x50 [ 57.820475] [] ? sys32_pread+0x50/0x50 [ 57.820483] [] do_fast_syscall_32+0x2f5/0x870 [ 57.820490] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.820499] [] entry_SYSENTER_compat+0x90/0xa2 [ 57.820502] Mem-Info: [ 57.820523] active_anon:56868 inactive_anon:43 isolated_anon:0 [ 57.820523] active_file:3489 inactive_file:8636 isolated_file:0 [ 57.820523] unevictable:0 dirty:354 writeback:0 unstable:0 [ 57.820523] slab_reclaimable:6761 slab_unreclaimable:59198 [ 57.820523] mapped:23818 shmem:50 pagetables:671 bounce:0 [ 57.820523] free:1472348 free_pcp:343 free_cma:0 [ 57.820541] Node 0 active_anon:227472kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95272kB dirty:1416kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 57.820560] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 57.820586] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 57.820614] Normal free:2893540kB min:36824kB low:46028kB high:55232kB active_anon:227472kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB writepending:1416kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27044kB slab_unreclaimable:236792kB kernel_stack:5888kB pagetables:2684kB bounce:0kB free_pcp:600kB local_pcp:184kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 57.820664] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 69*4kB (UME) 70*8kB (UM) 110*16kB (UME) 80*32kB (UME) 171*64kB (UM) 25*128kB (UME) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 2*2048kB (UM) 697*4096kB (M) = 2893412kB [ 57.821052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.821055] 12174 total pagecache pages [ 57.821058] 0 pages in swap cache [ 57.821062] Swap cache stats: add 0, delete 0, find 0/0 [ 57.821064] Free swap = 0kB [ 57.821066] Total swap = 0kB [ 57.821069] 1965969 pages RAM [ 57.821071] 0 pages HighMem/MovableOnly [ 57.821073] 320510 pages reserved [ 57.834078] syz-executor1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 57.834087] CPU: 0 PID: 8630 Comm: syz-executor1 Not tainted 4.9.86-gb324a70 #58 [ 57.834092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.834107] ffff8801c35278a8 ffffffff81d956f9 1ffff100386a4f18 ffff8801c8129800 [ 57.834119] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c35279b8 [ 57.834131] ffffffff81451c92 024000c2c35278f8 0000000041b58ab3 ffffffff84195b35 [ 57.834133] Call Trace: [ 57.834148] [] dump_stack+0xc1/0x128 [ 57.834160] [] warn_alloc+0x212/0x240 [ 57.834170] [] ? zone_watermark_ok_safe+0x280/0x280 [ 57.834181] [] ? avc_has_perm+0xb0/0x4f0 [ 57.834193] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 57.834202] [] __vmalloc_node_range+0x3f5/0x5f0 [ 57.834211] [] ? check_preemption_disabled+0x3b/0x200 [ 57.834220] [] ? task_has_security+0x130/0x270 [ 57.834227] [] vmalloc+0x5b/0x70 [ 57.834235] [] ? sel_write_load+0x130/0xfd0 [ 57.834241] [] sel_write_load+0x130/0xfd0 [ 57.834249] [] ? sel_read_bool+0x250/0x250 [ 57.834257] [] ? sel_read_bool+0x250/0x250 [ 57.834264] [] __vfs_write+0x103/0x680 [ 57.834271] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 57.834280] [] ? __might_sleep+0x95/0x1a0 [ 57.834288] [] ? __lock_is_held+0xa1/0xf0 [ 57.834297] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 57.834304] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 57.834311] [] ? __sb_start_write+0x14a/0x310 [ 57.834317] [] vfs_write+0x189/0x530 [ 57.834325] [] SyS_pwrite64+0x13f/0x170 [ 57.834333] [] ? SyS_pread64+0x170/0x170 [ 57.834341] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 57.834348] [] sys32_pwrite+0x39/0x50 [ 57.834354] [] ? sys32_pread+0x50/0x50 [ 57.834362] [] do_fast_syscall_32+0x2f5/0x870 [ 57.834369] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.834377] [] entry_SYSENTER_compat+0x90/0xa2 [ 57.834380] Mem-Info: [ 57.834401] active_anon:55312 inactive_anon:43 isolated_anon:0 [ 57.834401] active_file:3489 inactive_file:8636 isolated_file:0 [ 57.834401] unevictable:0 dirty:354 writeback:0 unstable:0 [ 57.834401] slab_reclaimable:6761 slab_unreclaimable:59198 [ 57.834401] mapped:23818 shmem:50 pagetables:671 bounce:0 [ 57.834401] free:1473886 free_pcp:388 free_cma:0 [ 57.834420] Node 0 active_anon:221248kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95272kB dirty:1416kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 57.834443] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 57.839498] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 57.839528] Normal free:2902372kB min:36824kB low:46028kB high:55232kB active_anon:219140kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB writepending:1416kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27044kB slab_unreclaimable:236232kB kernel_stack:5696kB pagetables:2684kB bounce:0kB free_pcp:984kB local_pcp:304kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 57.839581] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 69*4kB (UME) 73*8kB (UM) 111*16kB (UME) 101*32kB (UME) 174*64kB (UM) 25*128kB (UME) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 4*2048kB (UM) 698*4096kB (M) = 2902508kB [ 57.843879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.843881] 12174 total pagecache pages [ 57.843885] 0 pages in swap cache [ 57.843889] Swap cache stats: add 0, delete 0, find 0/0 [ 57.843891] Free swap = 0kB [ 57.843893] Total swap = 0kB [ 57.843895] 1965969 pages RAM [ 57.843897] 0 pages HighMem/MovableOnly [ 57.843899] 320510 pages reserved [ 57.851868] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 57.851878] CPU: 1 PID: 8634 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 57.851883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.851899] ffff8801c533f8a8 ffffffff81d956f9 1ffff10038a67f18 ffff8801c812b000 [ 57.851911] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c533f9b8 [ 57.851923] ffffffff81451c92 024000c2c533f8f8 0000000041b58ab3 ffffffff84195b35 [ 57.851925] Call Trace: [ 57.851938] [] dump_stack+0xc1/0x128 [ 57.851947] [] warn_alloc+0x212/0x240 [ 57.851956] [] ? zone_watermark_ok_safe+0x280/0x280 [ 57.851967] [] ? avc_has_perm+0xb0/0x4f0 [ 57.851980] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 57.851990] [] __vmalloc_node_range+0x3f5/0x5f0 [ 57.852003] [] ? check_preemption_disabled+0x3b/0x200 [ 57.852012] [] ? task_has_security+0x130/0x270 [ 57.852020] [] vmalloc+0x5b/0x70 [ 57.852028] [] ? sel_write_load+0x130/0xfd0 [ 57.852035] [] sel_write_load+0x130/0xfd0 [ 57.852046] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 57.852053] [] ? futex_wake+0x146/0x440 [ 57.852061] [] ? sel_read_bool+0x250/0x250 [ 57.852070] [] ? sel_read_bool+0x250/0x250 [ 57.852078] [] __vfs_write+0x103/0x680 [ 57.852087] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 57.852095] [] ? __might_sleep+0x95/0x1a0 [ 57.852105] [] ? __lock_is_held+0xa1/0xf0 [ 57.852114] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 57.852122] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 57.852130] [] ? __sb_start_write+0x14a/0x310 [ 57.852138] [] vfs_write+0x189/0x530 [ 57.852154] [] SyS_pwrite64+0x13f/0x170 [ 57.852163] [] ? SyS_pread64+0x170/0x170 [ 57.852174] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 57.852185] [] sys32_pwrite+0x39/0x50 [ 57.852192] [] ? sys32_pread+0x50/0x50 [ 57.852204] [] do_fast_syscall_32+0x2f5/0x870 [ 57.852212] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.852221] [] entry_SYSENTER_compat+0x90/0xa2 [ 57.852225] Mem-Info: [ 57.852244] active_anon:54781 inactive_anon:43 isolated_anon:0 [ 57.852244] active_file:3489 inactive_file:8636 isolated_file:0 [ 57.852244] unevictable:0 dirty:354 writeback:0 unstable:0 [ 57.852244] slab_reclaimable:6761 slab_unreclaimable:59058 [ 57.852244] mapped:23818 shmem:50 pagetables:671 bounce:0 [ 57.852244] free:1474588 free_pcp:455 free_cma:0 [ 57.852261] Node 0 active_anon:219124kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95272kB dirty:1416kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 57.852278] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 57.852306] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 57.852334] Normal free:2902500kB min:36824kB low:46028kB high:55232kB active_anon:219124kB inactive_anon:172kB active_file:13956kB inactive_file:34544kB unevictable:0kB writepending:1416kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27044kB slab_unreclaimable:236232kB kernel_stack:5632kB pagetables:2684kB bounce:0kB free_pcp:1048kB local_pcp:608kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 57.852389] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 69*4kB (UME) 73*8kB (UM) 111*16kB (UME) 101*32kB (UME) 174*64kB (UM) 25*128kB (UME) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 4*2048kB (UM) 698*4096kB (M) = 2902508kB [ 57.852494] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 57.852496] 12174 total pagecache pages [ 57.852500] 0 pages in swap cache [ 57.852504] Swap cache stats: add 0, delete 0, find 0/0 [ 57.852506] Free swap = 0kB 2018/03/07 14:40:33 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0), 0x4) 2018/03/07 14:40:33 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'sit0\x00', 0x0}) socketpair(0xa, 0x5, 0xcc8, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$DRM_IOCTL_GET_MAP(r2, 0xc0186404, &(0x7f0000000340)={&(0x7f0000feb000/0x13000)=nil, 0x0, 0x0, 0x5, &(0x7f0000fed000/0x2000)=nil, 0x1}) sendmsg$nl_route(r0, &(0x7f0000000180)={&(0x7f0000000140)={0x10}, 0xff6c, &(0x7f0000000080)={&(0x7f0000000100)=ANY=[@ANYBLOB="400000001400010100000000000000000a000000", @ANYRES32=r1, @ANYBLOB="14000200fe8000000000000004000000000000001400060000000000018000000000000000000000"], 0x40}, 0x1}, 0x40) fcntl$getownex(r0, 0x10, &(0x7f0000000380)={0x0, 0x0}) get_robust_list(r3, &(0x7f00000002c0)=&(0x7f0000000280)={&(0x7f00000001c0)={&(0x7f00000000c0)}, 0x0, &(0x7f0000000240)={&(0x7f0000000200)}}, &(0x7f0000000300)=0xc) 2018/03/07 14:40:33 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="10000000290000084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4228489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:33 executing program 6: futex(&(0x7f000000cffc)=0x4, 0x9, 0x4, &(0x7f0000000000)={0x77359400}, &(0x7f0000048000), 0x7fff) r0 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffc) request_key(&(0x7f0000000040)='keyring\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000100)='\x00', r0) futex(&(0x7f000000cffc), 0xa, 0x0, &(0x7f00006f7000)={0xfffffffffffffffc, 0x100000000000000}, &(0x7f0000000080), 0x20) 2018/03/07 14:40:33 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = getpid() process_vm_readv(r1, &(0x7f0000000400)=[{&(0x7f0000000000)=""/93, 0x5d}, {&(0x7f0000000080)=""/46, 0x2e}, {&(0x7f00000000c0)=""/71, 0x47}, {&(0x7f0000000140)=""/64, 0x40}, {&(0x7f0000000180)=""/65, 0x41}, {&(0x7f0000001540)=""/159, 0x9f}, {&(0x7f00000002c0)=""/109, 0x6d}, {&(0x7f0000001600)=""/127, 0x7f}], 0x8, &(0x7f0000001480)=[{&(0x7f0000000440)=""/4096, 0x1000}, {&(0x7f0000001440)=""/16, 0x10}], 0x2, 0x0) ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f00000014c0)={'erspan0\x00', 0xff}) bind$inet(r0, &(0x7f0000001500)={0x2, 0x4e22, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:33 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000012000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$int_in(r0, 0x5407, &(0x7f000001dffd)=0x2) r1 = open(&(0x7f0000000080)='./file0/file0\x00', 0x404000, 0x4003) write$selinux_user(r1, &(0x7f0000000000)={'system_u:object_r:agp_device_t:s0', 0x20, "73750000000000000000a2053a96b29f92b9e2e1a200"}, 0xffffffffffffff4e) ioctl$LOOP_GET_STATUS(r1, 0x4c03, &(0x7f00000000c0)) 2018/03/07 14:40:33 executing program 5: ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f0000000080)=0x0) r1 = syz_open_procfs(r0, &(0x7f00002e9000)='task\x00') ioctl$TUNGETSNDBUF(r1, 0x800454d3, &(0x7f00000000c0)) futimesat(r1, &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={{}, {0x77359400}}) 2018/03/07 14:40:33 executing program 1: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x0, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:33 executing program 5: r0 = socket$inet6(0xa, 0x2100000000000002, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000002c0)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e20, 0x0, 0x4e20, 0x0, 0xa, 0x0, 0x20}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x3c}, 0x0, @in=@empty}}, 0xe8) r1 = openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0xc00, 0x8) ioctl$BINDER_GET_NODE_DEBUG_INFO(0xffffffffffffff9c, 0xc018620b, &(0x7f0000000400)={0x0}) r3 = mmap$binder(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x0, 0x53, 0xffffffffffffffff, 0x0) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000740)={0x194, 0x0, &(0x7f0000000540)=[@acquire={0x40046305, 0x2}, @increfs={0x40046304, 0x4}, @transaction_sg={0x40486311, {{0x4, 0x0, 0x4, 0x0, 0x10, 0x0, 0x0, 0x0, 0x8, &(0x7f0000000100)=[], &(0x7f0000000140)=[0x40]}, 0x3}}, @transaction={0x40406300, {0x1, 0x0, 0x2, 0x0, 0x10, 0x0, 0x0, 0x28, 0x20, &(0x7f00000001c0)=[@ptr={0x70742a85, 0x0, &(0x7f0000000180), 0x1, 0x0, 0x37}], &(0x7f0000000200)=[0x78, 0x38, 0x58, 0x70]}}, @reply_sg={0x40486312, {{0x1, 0x0, 0x4, 0x0, 0x1, 0x0, 0x0, 0x28, 0x30, &(0x7f0000000280)=[@ptr={0x70742a85, 0x1, &(0x7f0000000240), 0x1, 0x0, 0x40}], &(0x7f00000003c0)=[0x0, 0x38, 0x30, 0x30, 0x78, 0x38]}, 0x6f4}}, @transaction={0x40406300, {0x4, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x18, 0x10, &(0x7f0000000440)=[@flat={0x77682a85, 0x1, r2}], &(0x7f0000000480)=[0x20, 0x38]}}, @register_looper={0x630b}, @increfs_done={0x40106308, r3}, @reply_sg={0x40486312, {{0x3, 0x0, 0x3, 0x0, 0x1, 0x0, 0x0, 0x0, 0x20, &(0x7f00000004c0)=[], &(0x7f0000000500)=[0x0, 0x30, 0x68, 0x28]}, 0x6910}}], 0x22, 0x0, &(0x7f0000000700)="84f03ff9cc9ca57c067cda3eed228ce93f0857722bae37430b51dc4440488b006c83"}) r4 = socket(0x11, 0x80805, 0x80000000) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r4, 0x84, 0x20, &(0x7f0000000000), &(0x7f0000000080)=0x4) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}, 0x7}, 0x1c) 2018/03/07 14:40:33 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='rose0\x00', 0x10) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x10000, 0x0) setsockopt$inet6_tcp_buf(r1, 0x6, 0xb, &(0x7f0000000080)="ea3817aab64d0e1bdbe00a83ac128503cd05a53913abf9594dfe0830e2f8b66897a13b2086c245aed5fb55253b77790e538d800aba9e5ffbcaed5636b8c13f07d867af75c46552b5097f35855a31be5890aaf22bcd94cf64012f89b34360", 0x5e) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:33 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = dup2(r0, r0) ioctl$VT_ACTIVATE(r1, 0x5606, 0x6) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x5) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) [ 57.852508] Total swap = 0kB [ 57.852511] 1965969 pages RAM [ 57.852513] 0 pages HighMem/MovableOnly [ 57.852515] 320510 pages reserved [ 60.188795] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) 2018/03/07 14:40:33 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) write$selinux_context(r1, &(0x7f0000000040)='system_u:object_r:mouse_device_t:s0\x00', 0x24) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:33 executing program 7: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) getsockname$inet6(r0, &(0x7f0000002580)={0x0, 0x0, 0x0, @dev}, &(0x7f00000025c0)=0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0xffffffffffffffd0, &(0x7f0000000340)=[{&(0x7f0000000040)="0883648265e9a338f3"}, {&(0x7f0000000540)="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{&(0x7f0000000080)="0e0e1883b9c8b8bf2745f0b20b8afd0a7ad03ae718ef0874e0f3c2f8e3a968ae28137e23624f93f9e929b3a1049ce7a02796a2489ba243ed84a6b35d05ffb474dfd20381a3a1d3044f9199d2d46e4772af59d4f217637e3387b74863e2b5bf741c5f0825c4925e767095e59125aeaee286218d2fda753d84ec17f69b8e"}, {&(0x7f0000000100)="70d5e7adab4f051b6c1a29e8a8798670e5c140"}, {&(0x7f0000000140)="832a1ebcc92040674d810c1415e5de68574b376dd6a40227c6ac504e9542097a67b625a3a78d8bcf587d12710ffd99f6ff3b6356a9f0128f512bb7f570435a7bb40467656433f5df"}, {&(0x7f00000001c0)="c1129b5da969286773d864f7f64414980f19b855a8e068fffc3f1906dba95a317e5b46a6d198b0dffc4325ef516a1a2dea21ae97e9b72aa2cc1f01e745bbe6d51d1a84b043"}, {&(0x7f0000000240)="4283112a66128bc599403beecf7c84e1b97f338dd1f017f701bc97aa9d5a6fb6f7bb504857dbca2795e1e974ea7775afa87433b68038b9cbe81e8d3ec563d3b14d856e8fbddee03ba15468b67678d19dfed5af977c69871e3acd5b1b99d964ab97e77b54b69de72a5d2053b52d38931925852f80cdac908fc395c2da73c47e23768d48"}, {&(0x7f0000000300)="86c1"}, 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"}], 0x20000148, &(0x7f00000003c0)=[]}, 0x800000000000000}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="100000002900000043000000160fdf084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4208489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) finit_module(r0, &(0x7f0000002540)='cgroupppp0$cgroupuser\x00', 0x2) 2018/03/07 14:40:33 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @empty}, 0x1c) sendmmsg(r0, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e22, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f00000003c0)=ANY=[@ANYBLOB="10000000290000084be2848271ffb85d9569cae7d05c39991530d014f07a44610e2e42578041acfa3905fa6ef297503b97db2fb2f50ddd2d96f73ce292c5ae98d2c172990aecd20e4228489017d8f237ea85f95377eef8af94dc4eaa0586a66ba5ce0ab5be4206906cc39829d56f5d3abf7f73f4d9141af52cad29b412de70a91f58f4573e0876e41fc369b3d67dcb6feced6b151f8432a7f14c44ee01f7aa86df3dd7666d071c7e0424bb000000000000000000000000000000"], 0xc2}}], 0x2, 0x0) 2018/03/07 14:40:33 executing program 5: r0 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$DRM_IOCTL_AGP_INFO(r0, 0x80206433, &(0x7f00000000c0)=""/157) socketpair$unix(0x1, 0x1, 0x0, &(0x7f000001aff8)={0xffffffffffffffff}) setsockopt$sock_int(r1, 0x1, 0x2a, &(0x7f00007ae000)=0x406, 0x4) recvmsg(r1, &(0x7f0000019fc8)={0x0, 0x0, &(0x7f000001a000)=[], 0x0, &(0x7f000001b000)}, 0x2) readv(r1, &(0x7f0000000040)=[{&(0x7f0000000380)=""/213, 0xd5}], 0x1) 2018/03/07 14:40:33 executing program 6: r0 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) mmap(&(0x7f000052d000/0x2000)=nil, 0x2000, 0x1fffffd, 0x32, r0, 0xffffffffffffffff) bind$bt_l2cap(r0, &(0x7f0000000240)={0x1f, 0x7f7, {0x2, 0x3, 0x0, 0x6, 0x7, 0x9}, 0x9, 0x9}, 0xe) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) renameat(r1, &(0x7f00000001c0)='./file0\x00', r1, &(0x7f0000000200)='./file0\x00') preadv(r1, &(0x7f0000000180)=[{&(0x7f0000000080)=""/80, 0x50}, {&(0x7f0000000100)=""/85, 0x55}], 0x2, 0x0) setsockopt$inet6_opts(r2, 0x29, 0x37, &(0x7f0000000280)=@srh={0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, []}, 0x8) [ 60.212871] CPU: 1 PID: 8640 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 60.220410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.229753] ffff8801c26b78a8 ffffffff81d956f9 1ffff100384d6f18 ffff8801c531b000 [ 60.237774] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c26b79b8 [ 60.245797] ffffffff81451c92 024000c2c26b78f8 0000000041b58ab3 ffffffff84195b35 [ 60.253831] Call Trace: [ 60.256405] [] dump_stack+0xc1/0x128 [ 60.261760] [] warn_alloc+0x212/0x240 [ 60.267211] [] ? zone_watermark_ok_safe+0x280/0x280 [ 60.273862] [] ? avc_has_perm+0xb0/0x4f0 [ 60.279552] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 60.286029] [] __vmalloc_node_range+0x3f5/0x5f0 [ 60.292340] [] ? check_preemption_disabled+0x3b/0x200 [ 60.299164] [] ? task_has_security+0x130/0x270 [ 60.305373] [] vmalloc+0x5b/0x70 [ 60.310364] [] ? sel_write_load+0x130/0xfd0 [ 60.316314] [] sel_write_load+0x130/0xfd0 [ 60.322095] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 60.328991] [] ? futex_wake+0x146/0x440 [ 60.334584] [] ? sel_read_bool+0x250/0x250 [ 60.340451] [] ? sel_read_bool+0x250/0x250 [ 60.346328] [] __vfs_write+0x103/0x680 [ 60.351839] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 60.358307] [] ? __might_sleep+0x95/0x1a0 [ 60.364078] [] ? __lock_is_held+0xa1/0xf0 [ 60.369846] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 60.376655] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 60.383204] [] ? __sb_start_write+0x14a/0x310 [ 60.389318] [] vfs_write+0x189/0x530 [ 60.394652] [] SyS_pwrite64+0x13f/0x170 [ 60.400246] [] ? SyS_pread64+0x170/0x170 [ 60.405950] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 60.412064] [] sys32_pwrite+0x39/0x50 [ 60.417492] [] ? sys32_pread+0x50/0x50 [ 60.423011] [] do_fast_syscall_32+0x2f5/0x870 [ 60.429134] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.435769] [] entry_SYSENTER_compat+0x90/0xa2 [ 60.442886] Mem-Info: [ 60.445308] active_anon:55300 inactive_anon:43 isolated_anon:0 [ 60.445308] active_file:3489 inactive_file:8664 isolated_file:0 [ 60.445308] unevictable:0 dirty:308 writeback:74 unstable:0 [ 60.445308] slab_reclaimable:6779 slab_unreclaimable:58914 [ 60.445308] mapped:23818 shmem:50 pagetables:635 bounce:0 [ 60.445308] free:1474252 free_pcp:446 free_cma:0 [ 60.479338] Node 0 active_anon:221200kB inactive_anon:172kB active_file:13956kB inactive_file:34656kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95272kB dirty:492kB writeback:148kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 83968kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 60.509175] 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 [ 60.538659] lowmem_reserve[]: 0 2908 6410 6410 [ 60.543832] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 60.574870] lowmem_reserve[]: 0 0 3501 3501 [ 60.579968] Normal free:2900896kB min:36824kB low:46028kB high:55232kB active_anon:221204kB inactive_anon:172kB active_file:13956kB inactive_file:34668kB unevictable:0kB writepending:32kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27140kB slab_unreclaimable:235816kB kernel_stack:5472kB pagetables:2540kB bounce:0kB free_pcp:1072kB local_pcp:312kB free_cma:0kB [ 60.613715] lowmem_reserve[]: 0 0 0 0 [ 60.618111] 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 [ 60.633382] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 60.650629] Normal: 34*4kB (UME) 69*8kB (UME) 103*16kB (UM) 120*32kB (UM) 176*64kB (UM) 25*128kB (UME) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 3*2048kB (UM) 698*4096kB (M) = 2900896kB [ 60.670013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 60.678744] 12207 total pagecache pages [ 60.682697] 0 pages in swap cache [ 60.686116] Swap cache stats: add 0, delete 0, find 0/0 [ 60.691470] Free swap = 0kB [ 60.694465] Total swap = 0kB [ 60.697479] 1965969 pages RAM [ 60.700560] 0 pages HighMem/MovableOnly [ 60.704501] 320510 pages reserved [ 60.708018] syz-executor1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 60.720377] CPU: 0 PID: 8647 Comm: syz-executor1 Not tainted 4.9.86-gb324a70 #58 [ 60.727882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.737206] ffff8801c35178a8 ffffffff81d956f9 1ffff100386a2f18 ffff8801c51db000 [ 60.745170] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c35179b8 [ 60.753128] ffffffff81451c92 024000c2c35178f8 0000000041b58ab3 ffffffff84195b35 [ 60.761087] Call Trace: [ 60.763646] [] dump_stack+0xc1/0x128 [ 60.768978] [] warn_alloc+0x212/0x240 [ 60.774398] [] ? zone_watermark_ok_safe+0x280/0x280 [ 60.781033] [] ? avc_has_perm+0xb0/0x4f0 [ 60.786711] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 60.793174] [] __vmalloc_node_range+0x3f5/0x5f0 [ 60.799464] [] ? check_preemption_disabled+0x3b/0x200 [ 60.806271] [] ? task_has_security+0x130/0x270 [ 60.812471] [] vmalloc+0x5b/0x70 [ 60.817455] [] ? sel_write_load+0x130/0xfd0 [ 60.823392] [] sel_write_load+0x130/0xfd0 [ 60.829156] [] ? sel_read_bool+0x250/0x250 [ 60.835007] [] ? sel_read_bool+0x250/0x250 [ 60.840860] [] __vfs_write+0x103/0x680 [ 60.846363] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 60.852824] [] ? __might_sleep+0x95/0x1a0 [ 60.858590] [] ? __lock_is_held+0xa1/0xf0 [ 60.864355] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 60.871161] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 60.877708] [] ? __sb_start_write+0x14a/0x310 [ 60.883833] [] vfs_write+0x189/0x530 [ 60.889164] [] SyS_pwrite64+0x13f/0x170 [ 60.894756] [] ? SyS_pread64+0x170/0x170 [ 60.900437] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 60.906552] [] sys32_pwrite+0x39/0x50 [ 60.911967] [] ? sys32_pread+0x50/0x50 [ 60.917473] [] do_fast_syscall_32+0x2f5/0x870 [ 60.923584] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.930216] [] entry_SYSENTER_compat+0x90/0xa2 [ 60.937393] Mem-Info: [ 60.939867] active_anon:54256 inactive_anon:43 isolated_anon:0 [ 60.939867] active_file:3489 inactive_file:8667 isolated_file:0 [ 60.939867] unevictable:0 dirty:20 writeback:0 unstable:0 [ 60.939867] slab_reclaimable:6787 slab_unreclaimable:58958 [ 60.939867] mapped:23808 shmem:50 pagetables:622 bounce:0 [ 60.939867] free:1475211 free_pcp:490 free_cma:0 [ 60.973208] Node 0 active_anon:217024kB inactive_anon:172kB active_file:13956kB inactive_file:34668kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95232kB dirty:80kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 61.002474] 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 [ 61.031809] lowmem_reserve[]: 0 2908 6410 6410 [ 61.036997] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 61.068242] lowmem_reserve[]: 0 0 3501 3501 [ 61.073125] Normal free:2905448kB min:36824kB low:46028kB high:55232kB active_anon:217024kB inactive_anon:172kB active_file:13956kB inactive_file:34668kB unevictable:0kB writepending:92kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27068kB slab_unreclaimable:235364kB kernel_stack:5440kB pagetables:2488kB bounce:0kB free_pcp:1268kB local_pcp:620kB free_cma:0kB [ 61.106866] lowmem_reserve[]: 0 0 0 0 [ 61.111220] 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 [ 61.126482] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 61.143646] Normal: 40*4kB (UE) 78*8kB (UME) 108*16kB (UME) 129*32kB (UME) 178*64kB (UM) 24*128kB (UM) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 3*2048kB (UM) 699*4096kB (M) = 2905456kB 2018/03/07 14:40:34 executing program 6: ioctl$KDADDIO(0xffffffffffffffff, 0x4b34, 0x8) r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(r0, &(0x7f000011bfe4)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f0000000000)={0x2, 0xf, 0x0, 0x0, 0x15, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, [@sadb_x_kmaddress={0x7, 0x19, 0x0, @in={0x2, 0x4e20, @multicast1=0xe0000001}, @in6={0xa, 0x4e20, 0xffff, @empty, 0x2}}, @sadb_x_filter={0x5, 0x1a, @in=@loopback=0x7f000001, @in6=@remote={0xfe, 0x80, [], 0xbb}, 0x1b, 0x4, 0x10}, @sadb_x_nat_t_type={0x1, 0x14, 0x3}, @sadb_x_nat_t_port={0x1, 0x15, 0x4e20}, @sadb_spirange={0x2, 0x10, 0x4d3, 0x4d6}, @sadb_x_nat_t_port={0x1, 0x17, 0x4e23}, @sadb_ident={0x2, 0xb, 0x97b, 0x0, 0x100000000}]}, 0xa8}, 0x1}, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000000100), 0x9) 2018/03/07 14:40:34 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000cac000)='/dev/ptmx\x00', 0x0, 0x0) r1 = syz_open_pts(r0, 0x8800) dup3(r0, r1, 0x0) 2018/03/07 14:40:34 executing program 4: r0 = add_key$keyring(&(0x7f00000001c0)='keyring\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a}, 0x0, 0x0, 0xfffffffffffffffd) r1 = add_key$keyring(&(0x7f0000eac000)='keyring\x00', &(0x7f0000000240)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, r0) r2 = add_key$user(&(0x7f00000001c0)='user\x00', &(0x7f000057f000)={0x73, 0x79, 0x7a}, &(0x7f0000000200)="18", 0x1, r1) keyctl$unlink(0x9, r2, r1) 2018/03/07 14:40:34 executing program 0: rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) setrlimit(0x400000000000003, &(0x7f0000000000)={0x0, 0x200000000000}) r0 = memfd_create(&(0x7f000093afb8)='(}nodev.ppp1vboxnet1selinuxtrustedvboxnet0GPLposix_acl_access*\\\\md5sum@\x00', 0x0) ioctl$LOOP_SET_FD(r0, 0x4c00, r0) 2018/03/07 14:40:34 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0), 0x4) 2018/03/07 14:40:34 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f0000000000)=0x1, 0x4) 2018/03/07 14:40:34 executing program 1: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1, 0x0, 0xf938}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:34 executing program 7: r0 = socket$inet6(0xa, 0x400000000001, 0x0) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) ppoll(&(0x7f00000000c0)=[{r0}, {r0, 0x2000}], 0x2, &(0x7f00000002c0)={0x0, 0x989680}, &(0x7f0000000300)={0x8001}, 0x8) sendto$inet6(r0, &(0x7f0000f98000), 0x0, 0x2000000c, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r2 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/hash_stats\x00', 0x0, 0x0) fcntl$addseals(r2, 0x409, 0x8) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r1) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000200)={0x0}, &(0x7f0000000240)=0xc) fcntl$setownex(r0, 0xf, &(0x7f0000000280)={0x0, r3}) fcntl$getflags(r0, 0x408) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000100)=0x0) r5 = syz_open_procfs(r4, &(0x7f0000000040)='net/ip6_flowlabel\x00') sendfile(r0, r5, &(0x7f000080037c)=0x2, 0x400000ff) 2018/03/07 14:40:34 executing program 0: r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000080)='/dev/keychord\x00', 0x101000, 0x0) write$eventfd(r0, &(0x7f0000024ff8)=0x100000001, 0xc) write$eventfd(r0, &(0x7f0000000040)=0x100000001, 0x8) [ 61.163000] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 61.171564] 12215 total pagecache pages [ 61.175512] 0 pages in swap cache [ 61.179124] Swap cache stats: add 0, delete 0, find 0/0 [ 61.184466] Free swap = 0kB [ 61.187469] Total swap = 0kB [ 61.190461] 1965969 pages RAM [ 61.193534] 0 pages HighMem/MovableOnly [ 61.197945] 320510 pages reserved 2018/03/07 14:40:34 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) pipe2(&(0x7f0000009b80)={0xffffffffffffffff}, 0x80000) accept4$unix(r1, &(0x7f0000000000)=@abs, &(0x7f0000009c40)=0x6e, 0x80800) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:34 executing program 4: mmap(&(0x7f0000000000/0xfda000)=nil, 0xfda000, 0x4, 0x31, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1a000)=nil, 0x1a000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$evdev(&(0x7f0000019fee)='/dev/input/event#\x00', 0x0, 0x0) r1 = memfd_create(&(0x7f0000000000)='/dev/input/event#\x00', 0x1) mknodat(r1, &(0x7f0000000040)='./file0\x00', 0x40, 0x8) ioctl$EVIOCGMASK(r0, 0x80104592, &(0x7f000001dff0)={0x0, 0x0, &(0x7f000085af91)}) 2018/03/07 14:40:34 executing program 3: r0 = socket$inet(0x2, 0x1, 0xfffffffffffffffe) getsockopt$sock_buf(r0, 0x1, 0x1c, &(0x7f0000000400)=""/4096, &(0x7f0000000000)=0xfffffffffffffda5) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x99e7, 0x100) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r1, 0xc04c5349, &(0x7f0000000100)={0x9, 0x1, 0x2}) r2 = socket$inet(0x2, 0x800, 0x1) r3 = fcntl$dupfd(r2, 0x406, r2) ioctl$LOOP_CHANGE_FD(r3, 0x4c06, r0) setsockopt$inet_opts(r2, 0x0, 0x4, &(0x7f0000000040)="7cf4df2bd0351878160ed9814f7f4ed9ca7e01a00634a57a457d4c9887e9af3667cc6cd7fbb437f10e08740b6fb86c95aa8f8ef96a6c90287a4bfd4dc528a36e38158454f466f5acb73f6def61324b19293101f5e58b6edffeaa193f6bcf3e89427b9d31b0d2406eccede62629afe565", 0x70) [ 61.229613] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 61.240945] CPU: 1 PID: 8705 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 61.248474] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.257815] ffff8801c26af8a8 ffffffff81d956f9 1ffff100384d5f18 ffff8801c26b1800 [ 61.265870] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c26af9b8 2018/03/07 14:40:34 executing program 0: r0 = timerfd_create(0x0, 0x0) timerfd_settime(r0, 0x3, &(0x7f0000005000)={{}, {0x0, 0x989680}}, &(0x7f0000000fe0)) timerfd_settime(r0, 0x0, &(0x7f00000000c0)={{0x0, 0x1c9c380}}, &(0x7f0000a56000)) restart_syscall() ioctl$EVIOCSABS20(r0, 0x401845e0, &(0x7f0000000140)={0x2, 0xd0b, 0x7, 0xfffffffffffffffa, 0x1, 0x2}) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x40, 0x0) ioctl$TCSETA(r1, 0x5406, &(0x7f0000000040)={0x4, 0x3, 0x3, 0x8, 0x1f, 0x3, 0x0, 0x5, 0x2}) ioctl$PPPOEIOCSFWD(r1, 0x4004b100, &(0x7f0000000100)={0x18, 0x0, {0x1, @random="2a95e74996f7", 'erspan0\x00'}}) pipe2(&(0x7f0000000080), 0x800) 2018/03/07 14:40:34 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000000100)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r1, 0xc0bc5310, &(0x7f0000000040)) 2018/03/07 14:40:34 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) accept4$inet(r0, &(0x7f0000000000)={0x0, 0x0, @remote}, &(0x7f0000000040)=0x10, 0x80800) 2018/03/07 14:40:34 executing program 0: r0 = memfd_create(&(0x7f0000000080)='m\x00', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000050ff3)='/dev/snd/seq\x00', 0x0, 0x2) r2 = dup2(r1, r0) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r2, 0xc08c5332, &(0x7f000002b000)={0x0, 0x0, 0x0, "9ede7a8c5ae95ec8672c93340f643a664f13eeab65c0322901dc6bd36cde2c51f01b7f0b014f9f91eeb7c37c7240f476c8d753d000aa8faf8fb574dbcfa6dc4d"}) write$sndseq(r0, &(0x7f0000042f70)=[{0x5, 0x0, 0x0, 0x0, @tick, {}, {}, @addr}], 0x1c) alarm(0x4) [ 61.273911] ffffffff81451c92 024000c2c26af8f8 0000000041b58ab3 ffffffff84195b35 [ 61.281938] Call Trace: [ 61.284515] [] dump_stack+0xc1/0x128 [ 61.289874] [] warn_alloc+0x212/0x240 [ 61.295335] [] ? zone_watermark_ok_safe+0x280/0x280 [ 61.301995] [] ? avc_has_perm+0xb0/0x4f0 [ 61.307695] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 61.314168] [] __vmalloc_node_range+0x3f5/0x5f0 [ 61.320474] [] ? check_preemption_disabled+0x3b/0x200 [ 61.327306] [] ? task_has_security+0x130/0x270 [ 61.333528] [] vmalloc+0x5b/0x70 [ 61.338545] [] ? sel_write_load+0x130/0xfd0 [ 61.344505] [] sel_write_load+0x130/0xfd0 [ 61.350294] [] ? sel_read_bool+0x250/0x250 [ 61.356160] [] ? sel_read_bool+0x250/0x250 [ 61.362025] [] __vfs_write+0x103/0x680 [ 61.367535] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 61.373999] [] ? __might_sleep+0x95/0x1a0 [ 61.379770] [] ? __lock_is_held+0xa1/0xf0 [ 61.385541] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 61.392356] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 61.398921] [] ? __sb_start_write+0x14a/0x310 [ 61.405043] [] vfs_write+0x189/0x530 [ 61.410377] [] SyS_pwrite64+0x13f/0x170 [ 61.415969] [] ? SyS_pread64+0x170/0x170 [ 61.421652] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 61.427793] [] sys32_pwrite+0x39/0x50 [ 61.433213] [] ? sys32_pread+0x50/0x50 [ 61.438723] [] do_fast_syscall_32+0x2f5/0x870 [ 61.444837] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.451474] [] entry_SYSENTER_compat+0x90/0xa2 [ 61.460603] Mem-Info: [ 61.463031] active_anon:55816 inactive_anon:43 isolated_anon:0 [ 61.463031] active_file:3491 inactive_file:8675 isolated_file:0 [ 61.463031] unevictable:0 dirty:55 writeback:0 unstable:0 [ 61.463031] slab_reclaimable:6790 slab_unreclaimable:59005 [ 61.463031] mapped:23816 shmem:50 pagetables:648 bounce:0 [ 61.463031] free:1473576 free_pcp:450 free_cma:0 [ 61.496989] Node 0 active_anon:219068kB inactive_anon:172kB active_file:13964kB inactive_file:34700kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95248kB dirty:220kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 61.526354] 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 [ 61.555727] lowmem_reserve[]: 0 2908 6410 6410 [ 61.560906] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 61.591950] lowmem_reserve[]: 0 0 3501 3501 [ 61.596908] Normal free:2902928kB min:36824kB low:46028kB high:55232kB active_anon:219068kB inactive_anon:172kB active_file:13964kB inactive_file:34700kB unevictable:0kB writepending:224kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27184kB slab_unreclaimable:236088kB kernel_stack:5408kB pagetables:2488kB bounce:0kB free_pcp:1020kB local_pcp:328kB free_cma:0kB [ 61.630793] lowmem_reserve[]: 0 0 0 0 [ 61.635156] 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 [ 61.650453] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 61.667710] Normal: 77*4kB (UM) 46*8kB (UM) 99*16kB (UM) 119*32kB (UME) 179*64kB (UME) 25*128kB (UME) 8*256kB (UM) 11*512kB (M) 7*1024kB (UME) 4*2048kB (UM) 698*4096kB (M) = 2902772kB [ 61.686942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 61.695482] 12217 total pagecache pages [ 61.699607] 0 pages in swap cache [ 61.703043] Swap cache stats: add 0, delete 0, find 0/0 [ 61.708399] Free swap = 0kB [ 61.711394] Total swap = 0kB [ 61.714382] 1965969 pages RAM [ 61.717485] 0 pages HighMem/MovableOnly [ 61.721434] 320510 pages reserved [ 61.724892] syz-executor1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 61.737023] CPU: 0 PID: 8714 Comm: syz-executor1 Not tainted 4.9.86-gb324a70 #58 [ 61.744523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.753845] ffff8801c15a78a8 ffffffff81d956f9 1ffff100382b4f18 ffff8801c275b000 [ 61.761814] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c15a79b8 [ 61.769775] ffffffff81451c92 024000c2c15a78f8 0000000041b58ab3 ffffffff84195b35 [ 61.777738] Call Trace: [ 61.780296] [] dump_stack+0xc1/0x128 [ 61.785629] [] warn_alloc+0x212/0x240 [ 61.791048] [] ? zone_watermark_ok_safe+0x280/0x280 [ 61.797681] [] ? avc_has_perm+0xb0/0x4f0 [ 61.803361] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 61.809828] [] __vmalloc_node_range+0x3f5/0x5f0 [ 61.816118] [] ? check_preemption_disabled+0x3b/0x200 [ 61.822927] [] ? task_has_security+0x130/0x270 [ 61.829126] [] vmalloc+0x5b/0x70 [ 61.834108] [] ? sel_write_load+0x130/0xfd0 [ 61.840047] [] sel_write_load+0x130/0xfd0 [ 61.845815] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 61.852707] [] ? futex_wake+0x146/0x440 [ 61.858299] [] ? sel_read_bool+0x250/0x250 [ 61.864152] [] ? sel_read_bool+0x250/0x250 [ 61.870006] [] __vfs_write+0x103/0x680 [ 61.875511] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 61.881973] [] ? __might_sleep+0x95/0x1a0 [ 61.887742] [] ? __lock_is_held+0xa1/0xf0 [ 61.893506] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 61.900317] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 61.906869] [] ? __sb_start_write+0x14a/0x310 [ 61.912983] [] vfs_write+0x189/0x530 [ 61.918316] [] SyS_pwrite64+0x13f/0x170 [ 61.923910] [] ? SyS_pread64+0x170/0x170 [ 61.929588] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 61.935700] [] sys32_pwrite+0x39/0x50 [ 61.941117] [] ? sys32_pread+0x50/0x50 [ 61.946621] [] do_fast_syscall_32+0x2f5/0x870 [ 61.952734] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.959368] [] entry_SYSENTER_compat+0x90/0xa2 [ 61.966716] Mem-Info: [ 61.969132] active_anon:53720 inactive_anon:43 isolated_anon:0 [ 61.969132] active_file:3491 inactive_file:8678 isolated_file:0 [ 61.969132] unevictable:0 dirty:64 writeback:0 unstable:0 [ 61.969132] slab_reclaimable:6799 slab_unreclaimable:59026 [ 61.969132] mapped:23802 shmem:50 pagetables:610 bounce:0 [ 61.969132] free:1475711 free_pcp:476 free_cma:0 [ 62.002316] Node 0 active_anon:214880kB inactive_anon:172kB active_file:13964kB inactive_file:34712kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95208kB dirty:256kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 62.031733] 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 [ 62.061050] lowmem_reserve[]: 0 2908 6410 6410 [ 62.066195] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 62.097538] lowmem_reserve[]: 0 0 3501 3501 [ 62.102439] Normal free:2906976kB min:36824kB low:46028kB high:55232kB active_anon:214880kB inactive_anon:172kB active_file:13964kB inactive_file:34712kB unevictable:0kB writepending:256kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27196kB slab_unreclaimable:236120kB kernel_stack:5376kB pagetables:2440kB bounce:0kB free_pcp:1132kB local_pcp:672kB free_cma:0kB [ 62.136281] lowmem_reserve[]: 0 0 0 0 [ 62.140662] 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 [ 62.155898] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB 2018/03/07 14:40:35 executing program 0: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = request_key(&(0x7f0000000080)='user\x00', &(0x7f00000000c0)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000100)='/selinux/policy\x00', 0xfffffffffffffffa) stat(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0}) getresgid(&(0x7f0000000200)=0x0, &(0x7f0000000240), &(0x7f0000000280)) keyctl$chown(0x4, r1, r2, r3) r4 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/policy\x00', 0x0, 0x0) ioctl$DRM_IOCTL_INFO_BUFS(r4, 0xc0086418, &(0x7f0000000040)={0x7, 0x10001, 0x3f, 0x6, 0xc, 0x6}) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000e09000)=ANY=[@ANYBLOB="000307dbd547000007050000000000000003001000000000000000000000fdff21db09df1ebfe461"], 0x28) setsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000bfd000)=@routing={0x0, 0x0, 0x0, 0x0, 0x0, []}, 0x8) 2018/03/07 14:40:35 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000000080)={0x2, 0x4e21, @broadcast=0xffffffff}, 0x10) ioctl$sock_ifreq(r0, 0x8927, &(0x7f0000000000)={'\x00', @ifru_flags=0x3800}) 2018/03/07 14:40:35 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) accept4$inet(r0, &(0x7f0000000000)={0x0, 0x0, @remote}, &(0x7f0000000040)=0x10, 0x80800) 2018/03/07 14:40:35 executing program 7: mkdir(&(0x7f0000027000)='./file0\x00', 0x0) mlock(&(0x7f0000ffe000/0x1000)=nil, 0x1000) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000000040)="3ff375a7fd8998a5406532e58a5ccbc5d2c566c30c933d60397dcdc8c650dd7594861b3090433b5f1ba197932a6d0301af92a978c983ac9a39b76fefcc7ef344a8726e1677b0925279754620") open$dir(&(0x7f000001bff4)='./file0/bus\x00', 0x88040, 0x0) openat$selinux_access(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/access\x00', 0x2, 0x0) mount(&(0x7f0000033ff4)='./file0/bus\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000032ffb)='fuse\x00', 0x7ffbf, &(0x7f0000000100)) r0 = creat(&(0x7f0000035ff4)='./file0/bus\x00', 0x0) mmap$binder(&(0x7f0000ffc000/0x2000)=nil, 0x2000, 0x6, 0x30, r0, 0x0) fchmodat(r0, &(0x7f0000000000)='./file0\x00', 0x4) 2018/03/07 14:40:35 executing program 4: mkdir(&(0x7f0000000080)='./file0\x00', 0x0) unshare(0x8000000) r0 = mq_open(&(0x7f0000000000)='^procwlan1\x00', 0x6e93ebbbcc0884f2, 0x0, &(0x7f0000664fc0)={0x0, 0x3, 0x2}) mq_notify(r0, &(0x7f00004f0000)={0x0, 0x0, 0x0, @tid}) r1 = dup(r0) readv(r1, &(0x7f00000b4000)=[{&(0x7f0000938000)=""/247, 0xf7}], 0x1) r2 = open(&(0x7f00006a2000)='./file0\x00', 0x0, 0x0) mkdirat(r2, &(0x7f000036cff8)='./file0\x00', 0x0) mount(&(0x7f00000005c0)='./file0/file0\x00', &(0x7f0000f89ff8)='./file0\x00', &(0x7f0000000580)='hgs\x00', 0x1004, &(0x7f000073afff)) unlinkat(r2, &(0x7f000048eff8)='./file0\x00', 0x200) ioctl$LOOP_SET_STATUS64(r2, 0x4c04, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x3, 0xb2, 0x0, 0x5, 0x4, 0x4, "1379ff6f156dc5b161018370425ab60e76a5f67123b094e301ac719e14fdb2f97f024b082a5cc1fdecb3b4462d5da1ecf01d2d4638daf8da5470fae0571508cb", "26c4ced9bd407ca82402349d2cc434e2a4d2f5b905d14a1d876bb58da8f3c8404aba0a3b34973ab7382ca27ac7f811550fe90fc1f6fb6ec7557554cb354cb4a2", "382dbae51db7ff7db153446b0aa42c5d73fad70d7cc526af7b44c41167c343e3", [0x6, 0x100000001]}) getdents(r2, &(0x7f00000000c0)=""/210, 0xd2) pwrite64(r2, &(0x7f00000003c0)="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", 0xfe4f, 0x0) fstat(r2, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0}) setsockopt$inet6_IPV6_IPSEC_POLICY(r2, 0x29, 0x22, &(0x7f00000002c0)={{{@in6=@mcast2={0xff, 0x2, [], 0x1}, @in=@multicast2=0xe0000002, 0x4e23, 0x100000000, 0x4e20, 0x6, 0xa, 0x80, 0xa0, 0xe7, 0x0, r3}, {0x5, 0x4, 0x0, 0x0, 0x5, 0x9, 0x7ff, 0xffffffffffff0000}, {0x2, 0xfffffffffffffffb, 0x2, 0x6}, 0x800, 0x6e6bbc, 0x0, 0x0, 0x3}, {{@in6=@local={0xfe, 0x80, [], 0xaa}, 0x4d6, 0xff}, 0xa, @in=@local={0xac, 0x14, 0x14, 0xaa}, 0x3501, 0x4, 0x2, 0x100000001, 0x5, 0x3, 0xfc}}, 0xe8) 2018/03/07 14:40:35 executing program 6: r0 = memfd_create(&(0x7f0000834000)='I', 0x0) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x0, 0x11, r0, 0x0) creat(&(0x7f000028b000)='./file0\x00', 0x0) mount(&(0x7f0000000100)='./file0\x00', &(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)="68667300749b1e0ed7be04f6f3100b97a52a78eaee04ecf40c384c3598fa166458ae8d93300d177c17faff848d0aeddac50a3a71fe42b30444460b519bef44015487f4", 0x81081, &(0x7f0000000140)="b24c7d5fa32fdaa78937e0991fcf08e5c46dd1e4d796190b3677b1e1bb80a54552bd0607c41414c5702e82d3332c6c9db096c07ec3ee1c04dbba9bb4851be523028a0c328c6d10afffef8e27") 2018/03/07 14:40:35 executing program 1: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000000)=0x0) setpriority(0x3, r0, 0x0) r1 = fcntl$getown(0xffffffffffffff9c, 0x9) ptrace$PTRACE_SECCOMP_GET_FILTER(0x420c, r0, 0x8, &(0x7f0000000040)=""/7) getpgid(r1) 2018/03/07 14:40:35 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0), 0x4) [ 62.173067] Normal: 94*4kB (UM) 50*8kB (UME) 97*16kB (M) 119*32kB (UM) 178*64kB (UM) 24*128kB (UM) 9*256kB (UME) 11*512kB (M) 7*1024kB (UME) 6*2048kB (UM) 698*4096kB (M) = 2907000kB [ 62.192092] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 62.200656] 12225 total pagecache pages [ 62.204603] 0 pages in swap cache [ 62.208223] Swap cache stats: add 0, delete 0, find 0/0 [ 62.213565] Free swap = 0kB [ 62.216548] Total swap = 0kB [ 62.219560] 1965969 pages RAM [ 62.222639] 0 pages HighMem/MovableOnly [ 62.226577] 320510 pages reserved 2018/03/07 14:40:35 executing program 1: clock_settime(0xfffffffffffffffb, &(0x7f0000000040)) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x105800, 0x20) ioctl$VT_OPENQRY(r0, 0x5600, &(0x7f0000000080)) 2018/03/07 14:40:35 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='yeah\x00', 0x5) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:35 executing program 5: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000feaff6)='/dev/ptmx\x00', 0x0, 0x0) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x800, 0x0) ioctl$DRM_IOCTL_VERSION(r1, 0xc0246400, &(0x7f0000000280)={0x81, 0x0, 0x0, 0xc7, &(0x7f0000000100)=""/199, 0x38, &(0x7f0000000200)=""/56, 0x3, &(0x7f0000000240)=""/3}) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r1, 0x40505331, &(0x7f0000000040)={{0xaa, 0x6}, {0x9, 0x3}, 0x4, 0x4, 0x6}) ioctl$int_in(r0, 0x541f, &(0x7f0000febff8)) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x1, 0x4) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f00000000c0)=0x7fff, 0x4) 2018/03/07 14:40:35 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:35 executing program 6: r0 = socket$inet6(0xa, 0x2100000000000002, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000002c0)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e20, 0x0, 0x4e20, 0x0, 0xa, 0x20}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x3c}, 0x0, @in=@empty}}, 0xe8) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = accept4(r0, &(0x7f0000000080)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000000)=0x80, 0x80800) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000100), &(0x7f0000000140)=0x4) [ 62.240837] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 62.269246] CPU: 0 PID: 8745 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 62.276784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 2018/03/07 14:40:35 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x2c000) recvfrom$ipx(r1, &(0x7f0000000240)=""/45, 0x2d, 0x2043, &(0x7f0000000280)={0x4, 0x3, 0xa5, "fe76ed0b9ac9"}, 0x10) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000140)={@in6={{0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @empty}}}, 0x0, 0x1, 0x0, "111d6c1ba6050dd77cf1f2f09d1cb02a25988f1ea9c5be7d9801641c99b0def45ac6258da3316175a9d341111c181811e12c196e1ab99946e5e47e0594e415670d1330cd611c3974c55bb4d59854e111"}, 0xd8) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000040)={@in6={{0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @empty}}}, 0x0, 0x0, 0x0, "411b3f1c08455047284bea37cf1ab7534db964b7958943c7db1b29d39d5221fac53a751f6f97a5f406473879b8171ae0d09086cb18d602ee628a185531290242710b99b8401772c02989f80629dc1d9e"}, 0xd8) getsockopt$netrom_NETROM_IDLE(r1, 0x103, 0x7, &(0x7f00000002c0)=0x9, &(0x7f0000000300)=0x4) [ 62.286122] ffff8801cddb78a8 ffffffff81d956f9 1ffff10039bb6f18 ffff8801c15a4800 [ 62.294139] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cddb79b8 [ 62.302154] ffffffff81451c92 024000c2cddb78f8 0000000041b58ab3 ffffffff84195b35 [ 62.310121] Call Trace: [ 62.312681] [] dump_stack+0xc1/0x128 [ 62.318015] [] warn_alloc+0x212/0x240 [ 62.323446] [] ? zone_watermark_ok_safe+0x280/0x280 [ 62.330096] [] ? avc_has_perm+0xb0/0x4f0 [ 62.335779] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 62.342250] [] __vmalloc_node_range+0x3f5/0x5f0 [ 62.348544] [] ? check_preemption_disabled+0x3b/0x200 [ 62.355353] [] ? task_has_security+0x130/0x270 [ 62.361558] [] vmalloc+0x5b/0x70 [ 62.366545] [] ? sel_write_load+0x130/0xfd0 [ 62.372487] [] sel_write_load+0x130/0xfd0 [ 62.378255] [] ? sel_read_bool+0x250/0x250 [ 62.384109] [] ? sel_read_bool+0x250/0x250 [ 62.389978] [] __vfs_write+0x103/0x680 [ 62.395488] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 62.401949] [] ? __might_sleep+0x95/0x1a0 [ 62.407717] [] ? __lock_is_held+0xa1/0xf0 [ 62.413486] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 62.420304] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 62.426884] [] ? __sb_start_write+0x14a/0x310 [ 62.433006] [] vfs_write+0x189/0x530 2018/03/07 14:40:35 executing program 5: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = socket$netlink(0x10, 0x3, 0x4) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000000)=0x2, 0x4) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r1, 0x10e, 0x1, &(0x7f00008d0ffc)=0x10000000000001, 0x4) close(r0) 2018/03/07 14:40:35 executing program 7: r0 = socket$nl_route(0x10, 0x3, 0x0) syncfs(r0) capset(&(0x7f00006f5000)={0x19980330}, &(0x7f0000eb4fe8)) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_int(r1, 0x29, 0x40, &(0x7f0000001fde), 0x4) [ 62.438341] [] SyS_pwrite64+0x13f/0x170 [ 62.443934] [] ? SyS_pread64+0x170/0x170 [ 62.449616] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 62.455730] [] sys32_pwrite+0x39/0x50 [ 62.461153] [] ? sys32_pread+0x50/0x50 [ 62.466659] [] do_fast_syscall_32+0x2f5/0x870 [ 62.472771] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.479411] [] entry_SYSENTER_compat+0x90/0xa2 [ 62.488091] Mem-Info: [ 62.490647] active_anon:58902 inactive_anon:43 isolated_anon:0 [ 62.490647] active_file:3491 inactive_file:8686 isolated_file:0 [ 62.490647] unevictable:0 dirty:71 writeback:0 unstable:0 [ 62.490647] slab_reclaimable:6806 slab_unreclaimable:58892 [ 62.490647] mapped:23829 shmem:50 pagetables:652 bounce:0 [ 62.490647] free:1470585 free_pcp:446 free_cma:0 [ 62.524130] Node 0 active_anon:223260kB inactive_anon:172kB active_file:13964kB inactive_file:34756kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95292kB dirty:296kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 86016kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 62.553765] 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 [ 62.583473] lowmem_reserve[]: 0 2908 6410 6410 [ 62.588701] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 62.620074] lowmem_reserve[]: 0 0 3501 3501 [ 62.624973] Normal free:2900980kB min:36824kB low:46028kB high:55232kB active_anon:221108kB inactive_anon:172kB active_file:13964kB inactive_file:34760kB unevictable:0kB writepending:300kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27260kB slab_unreclaimable:235680kB kernel_stack:5440kB pagetables:2492kB bounce:0kB free_pcp:1152kB local_pcp:484kB free_cma:0kB [ 62.661426] lowmem_reserve[]: 0 0 0 0 [ 62.665896] 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 [ 62.681303] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 62.698570] Normal: 95*4kB (UME) 32*8kB (UM) 98*16kB (UM) 126*32kB (UME) 179*64kB (UME) 25*128kB (UME) 8*256kB (UM) 11*512kB (M) 7*1024kB (UME) 7*2048kB (UM) 696*4096kB (M) = 2900892kB [ 62.718117] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 62.726667] 12230 total pagecache pages [ 62.730789] 0 pages in swap cache [ 62.734222] Swap cache stats: add 0, delete 0, find 0/0 [ 62.739578] Free swap = 0kB 2018/03/07 14:40:36 executing program 7: r0 = memfd_create(&(0x7f0000000040)='/dev/ptmx\x00', 0x1) ioctl$DRM_IOCTL_AGP_ACQUIRE(r0, 0x6430) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r1, 0x40045431, &(0x7f00003b9fdc)) ioctl$sock_ipx_SIOCIPXNCPCONN(r0, 0x89e3, &(0x7f00000000c0)=0x4) r2 = syz_open_pts(r1, 0x0) fadvise64(r2, 0x0, 0x100000001, 0x1) readv(r2, &(0x7f0000985000)=[{&(0x7f0000885000)=""/90}, {&(0x7f00002f2000)=""/4096}, {&(0x7f0000724f2a)=""/214, 0xffffffffffffffba}, {&(0x7f000034a000)}, {&(0x7f00001b2f21)=""/223}, {&(0x7f00004ebfcb)=""/53, 0x153}, {&(0x7f00002af000)=""/178, 0xfffffffffffffe28}, {&(0x7f00003d3f03)=""/253, 0x37b}], 0xd8) r3 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x10080, 0x0) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r3, 0x80045301, &(0x7f0000000080)) r4 = socket$inet_tcp(0x2, 0x1, 0x0) dup3(r4, r1, 0x0) 2018/03/07 14:40:36 executing program 0: lookup_dcookie(0x200, &(0x7f00000000c0)=""/4096, 0x1000) mq_getsetattr(0xffffffffffffffff, &(0x7f0000000040)={0x7fff}, &(0x7f0000000080)) 2018/03/07 14:40:36 executing program 2: pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r0}, &(0x7f0000000240)=0x3) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) ioctl$PIO_CMAP(r1, 0x4b71, &(0x7f0000000180)={0x100000001, 0x5, 0xda, 0x3, 0x7, 0x6}) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:36 executing program 3: r0 = socket$inet(0x2, 0x13, 0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:36 executing program 5: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f000000a000)) open$dir(&(0x7f0000000040)='./file0/bus\x00', 0x404000, 0x0) mount(&(0x7f0000033ff4)='./file0/bus\x00', &(0x7f000000fff8)='./file0\x00', &(0x7f0000032ffb)='fuse\x00', 0x7ffbf, &(0x7f0000032000)) 2018/03/07 14:40:36 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) getsockopt$netlink(r0, 0x10e, 0x4, &(0x7f0000000f7e)=""/130, &(0x7f0000001000)=0x82) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r0, 0x10e, 0x4, &(0x7f0000000000)=0xff, 0x4) 2018/03/07 14:40:36 executing program 6: r0 = socket$inet6(0xa, 0x2100000000000002, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f00000002c0)={{{@in6=@mcast1={0xff, 0x1, [], 0x1}, @in6=@mcast1={0xff, 0x1, [], 0x1}, 0x4e20, 0x0, 0x4e20, 0x0, 0xa, 0x20}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14}}, 0x0, 0x3c}, 0x0, @in=@empty}}, 0xe8) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) r1 = accept4(r0, &(0x7f0000000080)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000000)=0x80, 0x80800) getsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000100), &(0x7f0000000140)=0x4) 2018/03/07 14:40:36 executing program 4: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x0, 0x0) ioctl$PERF_EVENT_IOC_RESET(r0, 0x2403, 0x6) r1 = memfd_create(&(0x7f0000002901)='dev ', 0x0) write(r1, &(0x7f0000000380)="00ad838d", 0x4) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4, 0x11, r1, 0x0) setitimer(0x0, &(0x7f0000000000)={{0x77359400}, {0x0, 0x7530}}, &(0x7f0000000200)) 2018/03/07 14:40:36 executing program 0: r0 = socket$key(0xf, 0x3, 0x2) r1 = socket$key(0xf, 0x3, 0x2) r2 = dup2(r0, r1) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x400, 0x0) getsockopt$IPT_SO_GET_INFO(r2, 0x0, 0x40, &(0x7f0000000080)={'raw\x00'}, &(0x7f0000000100)=0x54) setsockopt$inet6_IPV6_FLOWLABEL_MGR(0xffffffffffffffff, 0x29, 0x20, &(0x7f0000000140)={@remote={0xfe, 0x80, [], 0xbb}, 0x0, 0x3}, 0x20) socketpair$ipx(0x4, 0x2, 0x0, &(0x7f0000000000)) 2018/03/07 14:40:36 executing program 1: r0 = socket(0x18, 0x0, 0x1) unlink(&(0x7f00000001c0)='./file0\x00') sendmmsg(0xffffffffffffffff, &(0x7f0000011000)=[{{&(0x7f0000003000)=@in6={0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}}, 0x1c, &(0x7f0000004fa0)=[{&(0x7f0000002000)="4c5614c00401a0dbf8a669ebdedd102c4f7a79e606457dfdf09e2ec2ed253b", 0x1f}], 0x1, &(0x7f0000002d30)=[]}}], 0x1, 0x0) connect(r0, &(0x7f0000002000)=@sco={0x1f, {0x1}}, 0x26) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000200)='ns/net\x00') ioctl$EVIOCGKEYCODE(r1, 0x80084504, &(0x7f0000000240)=""/112) getpeername(r0, &(0x7f0000000000)=@sco, &(0x7f0000000040)=0x8) utime(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)={0xffffffffffffd9a2, 0xffff}) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(r0, 0x84, 0x0, &(0x7f00000000c0)={0x0, 0x9, 0x8, 0x2}, &(0x7f00000003c0)=0x10) getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000140)={r3, 0x6}, &(0x7f0000000180)=0x8) ioctl$VT_ACTIVATE(r2, 0x5606, 0x102000000) getsockopt$bt_BT_CHANNEL_POLICY(r0, 0x112, 0xa, &(0x7f0000000340)=0x5, &(0x7f0000000380)=0x4) 2018/03/07 14:40:36 executing program 4: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) socketpair$ax25(0x3, 0x3, 0xcc, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGPGRP(0xffffffffffffff9c, 0x8904, &(0x7f0000000040)=0x0) fcntl$lock(r0, 0x5, &(0x7f0000000080)={0x0, 0x7, 0x800, 0x0, r1}) removexattr(&(0x7f00004e2000)='./control\x00', &(0x7f0000bec000)=@known='system.posix_acl_default\x00') 2018/03/07 14:40:36 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) r2 = request_key(&(0x7f0000000180)='ceph\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000280)='/selinux/commit_pending_bools\x00', 0xfffffffffffffffd) keyctl$setperm(0x5, r2, 0x220000) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:36 executing program 7: mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x0, 0x32, 0xffffffffffffffff, 0x0) clone(0x84000, &(0x7f0000000000), &(0x7f000044c000), &(0x7f0000837000), &(0x7f0000000000)) 2018/03/07 14:40:36 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) getsockopt$sock_timeval(r0, 0x1, 0x15, &(0x7f0000000000), &(0x7f0000000040)=0x8) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 62.742573] Total swap = 0kB [ 62.745559] 1965969 pages RAM [ 62.749181] 0 pages HighMem/MovableOnly [ 62.753130] 320510 pages reserved 2018/03/07 14:40:36 executing program 5: mmap(&(0x7f0000000000/0xfd8000)=nil, 0xfd8000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = fcntl$getown(0xffffffffffffffff, 0x9) r1 = syz_open_procfs(r0, &(0x7f00000000c0)='loginuid\x00') ioctl$DRM_IOCTL_CONTROL(r1, 0x40086414, &(0x7f0000000000)={0x3, 0x9}) 2018/03/07 14:40:36 executing program 7: r0 = socket$inet6(0xa, 0x2100000000000002, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c) r1 = socket$unix(0x1, 0x3, 0x0) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000080)={{{@in6=@remote={0xfe, 0x80, [], 0xbb}, @in6=@loopback={0x0, 0x1}, 0x4e20, 0x3, 0x4e20, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in=@dev={0xac, 0x14, 0x14}, 0x0, 0x2b}, 0x0, @in6=@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}}}, 0xe8) r2 = dup(r1) getsockopt$IPT_SO_GET_REVISION_MATCH(r2, 0x0, 0x42, &(0x7f0000000040)={'icmp\x00'}, &(0x7f0000000180)=0x1e) sendmsg(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f00000026c0)=[], 0x0, &(0x7f0000002780)=[]}, 0x0) [ 62.802974] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 62.823691] CPU: 1 PID: 8816 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 62.831220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.840560] ffff8801b80c78a8 ffffffff81d956f9 1ffff10037018f18 ffff8801b8003000 2018/03/07 14:40:36 executing program 1: mmap(&(0x7f0000600000/0x4000)=nil, 0x4000, 0x0, 0x44031, 0xffffffffffffffff, 0x0) remap_file_pages(&(0x7f0000600000/0x1000)=nil, 0x1000, 0x0, 0x0, 0x0) r0 = memfd_create(&(0x7f0000000100)="7b75736572b0", 0xffffffffffffffff) ioctl$SNDRV_TIMER_IOCTL_INFO(r0, 0x80e05411, &(0x7f0000000040)=""/192) 2018/03/07 14:40:36 executing program 3: r0 = socket$inet(0x2, 0x80a, 0x101) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) getpeername$packet(0xffffffffffffff9c, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000100)=0x14) r2 = getuid() setsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000140)={{{@in=@local={0xac, 0x14, 0x14, 0xaa}, @in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x4e20, 0x0, 0x4e21, 0xc77, 0x2, 0x80, 0xa0, 0x2e, r1, r2}, {0xfffffffffffffffd, 0x81, 0x6, 0x7, 0x8, 0x6, 0x6, 0x5}, {0xffffffffffffffff, 0xcfdc, 0x0, 0x100}, 0x0, 0x0, 0x1, 0x1, 0x2, 0x2}, {{@in6=@remote={0xfe, 0x80, [], 0xbb}, 0x4d4, 0xff}, 0xa, @in=@rand_addr=0x100000001, 0x3503, 0x4, 0x2, 0x6, 0x6, 0x8, 0x400}}, 0xe8) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) connect$pppoe(r0, &(0x7f0000000000)={0x18, 0x0, {0x0, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, 'bond0\x00'}}, 0x1e) 2018/03/07 14:40:36 executing program 1: r0 = socket(0x7, 0xa, 0xffffffffffffffc0) ioctl$sock_inet_SIOCDELRT(r0, 0x890c, &(0x7f0000000200)={0x6, {0x2, 0x4e24, @multicast2=0xe0000002}, {0x2, 0x4e23, @rand_addr=0x81}, {0x2, 0x4e23, @loopback=0x7f000001}, 0x100, 0x4, 0x800, 0x62, 0x2, &(0x7f0000000100)='sit0\x00', 0x879, 0x205c, 0x3}) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0xffffffffffffff7d) sendto$inet(r1, &(0x7f0000a88f88), 0x0, 0x200007fd, &(0x7f00000000c0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) recvmsg(r1, &(0x7f00000003c0)={&(0x7f0000000040)=@pppol2tpv3in6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @remote}}}, 0x3a, &(0x7f0000000340)=[{&(0x7f00000002c0)=""/91, 0x5b}], 0x1, &(0x7f0000000a80)=""/4096, 0x1000}, 0x10120) sendto$inet(r1, &(0x7f0000000880)="1d", 0x1, 0x0, 0x0, 0x0) sendto$inet(0xffffffffffffffff, &(0x7f0000000100), 0x0, 0x0, 0x0, 0x0) recvfrom$inet(r1, &(0x7f0000000000)=""/11, 0xfffffffffffffc34, 0x0, 0x0, 0xfffffffffffffea6) ioctl$DRM_IOCTL_FREE_BUFS(0xffffffffffffffff, 0x4008641a, &(0x7f00000001c0)={0x1, &(0x7f0000000180)=[0x0]}) shutdown(r1, 0x1) 2018/03/07 14:40:36 executing program 6: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f000096f000)="1f000000160007f2000094ffa4000800000000000000000000000000030004", 0x1f) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000040)=@assoc_id=0x0, &(0x7f0000000080)=0x4) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f00000000c0)={r1, 0x7}, 0x8) readv(r0, &(0x7f0000000240)=[{&(0x7f0000000100)=""/167, 0xa7}, {&(0x7f00000001c0)=""/88, 0xffffffffffffffb9}], 0x2) recvfrom$unix(r0, &(0x7f0000408f9a), 0x0, 0x0, &(0x7f000040cffe)=@abs, 0x20000000) 2018/03/07 14:40:36 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x4012}) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x4800, 0xc1) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000340)={0x0, @in6={{0xa, 0x4e21, 0x7fffffff, @local={0xfe, 0x80, [], 0xaa}, 0x8000}}}, &(0x7f0000000400)=0x84) getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000440)={r2, 0xfff, 0x81, 0x9}, &(0x7f0000000480)=0x10) getsockopt$inet6_int(r1, 0x29, 0x12, &(0x7f00000002c0), &(0x7f0000000300)=0x4) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000080)="9e3ee821e2d6bba5751b558b5cecb17d", 0x10) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000000140)={0x0, 0x3}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000001c0)={r3, @in={{0x2, 0x4e20, @rand_addr=0x3ff}}}, &(0x7f0000000280)=0x84) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000000)) [ 62.848601] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b80c79b8 [ 62.856624] ffffffff81451c92 024000c2b80c78f8 0000000041b58ab3 ffffffff84195b35 [ 62.864653] Call Trace: [ 62.867230] [] dump_stack+0xc1/0x128 [ 62.872584] [] warn_alloc+0x212/0x240 [ 62.878038] [] ? zone_watermark_ok_safe+0x280/0x280 [ 62.884704] [] ? avc_has_perm+0xb0/0x4f0 [ 62.890412] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 62.896908] [] __vmalloc_node_range+0x3f5/0x5f0 [ 62.903220] [] ? check_preemption_disabled+0x3b/0x200 [ 62.910047] [] ? task_has_security+0x130/0x270 [ 62.916266] [] vmalloc+0x5b/0x70 [ 62.921270] [] ? sel_write_load+0x130/0xfd0 [ 62.927212] [] sel_write_load+0x130/0xfd0 [ 62.932994] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 62.939891] [] ? futex_wake+0x146/0x440 [ 62.945485] [] ? sel_read_bool+0x250/0x250 2018/03/07 14:40:36 executing program 1: r0 = openat$selinux_member(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/member\x00', 0x2, 0x0) r1 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x0, 0x111840) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r1, 0x84, 0x77, &(0x7f0000000180)=ANY=[@ANYRES32=0x0, @ANYBLOB="000097c3e6ada1000000fb000000"], &(0x7f00000001c0)=0x12) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r1, 0x84, 0x66, &(0x7f0000000200)={r2, 0xffffffff}, &(0x7f0000000240)=0x8) ioctl$DRM_IOCTL_FREE_BUFS(r1, 0x4008641a, &(0x7f0000000140)={0x1, &(0x7f0000000100)=[0x3]}) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000280)=0x1063) syz_open_dev$sg(&(0x7f00000002c0)='/dev/sg#\x00', 0x2, 0x840) write$selinux_access(r0, &(0x7f0000000000)={'system_u:object_r:cpu_device_t:s0', 0x20, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023', 0x20, 0x37}, 0x53) 2018/03/07 14:40:36 executing program 1: mkdir(&(0x7f000080aff8)='./file0\x00', 0x0) r0 = open(&(0x7f0000032ff8)='./file0\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000033ff8)='./file0\x00', 0x0) mount(&(0x7f0000432ff2)='./file0/file0\x00', &(0x7f00003c9000)='./file0\x00', &(0x7f000010bff7)='configfs\x00', 0x1001, &(0x7f0000965ffe)) mkdirat(r0, &(0x7f0000000180)='./file0/file0\x00', 0x102) unlinkat(r0, &(0x7f0000ba8ff8)='./file0\x00', 0x200) mount(&(0x7f0000f69ff2)='./file0/file0\x00', &(0x7f000094cff8)='./file0\x00', &(0x7f00008ce000)='mqueue\x00', 0x0, &(0x7f000045dff2)) preadv(r0, &(0x7f0000000140)=[{&(0x7f0000000000)=""/155, 0x9b}, {&(0x7f00000000c0)=""/116, 0x74}], 0x2, 0x0) 2018/03/07 14:40:36 executing program 1: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = syz_open_dev$sndtimer(&(0x7f0000000040)='/dev/snd/timer\x00', 0x0, 0x258080) r2 = syz_open_pts(0xffffffffffffffff, 0x0) ioctl$VT_RESIZEX(r2, 0x560a, &(0x7f0000000000)={0x8, 0x7fffffff, 0xfffffffffffffff7, 0x101, 0x0, 0x100}) ioctl$SNDRV_TIMER_IOCTL_TREAD(r1, 0x40045402, &(0x7f0000000080)) getsockopt$inet6_udp_int(r0, 0x11, 0x0, &(0x7f00000000c0), &(0x7f0000000100)=0x4) setsockopt$inet6_opts(r0, 0x29, 0x43, &(0x7f0000000140)=ANY=[@ANYBLOB="a7d26983cdc99e6bf8e874ad180c6db529c9f6463e949feddbf5d858fe2a45b6600eebd8ebe054dcd607a3d228ab91c28b014f4cd48f17693737e43bb670c0ed603ae14047b6710d28d5417fcd12af1e87107d47d60df6689ca0aa6474c97624830dbb2e59d2501137468498a81ebf9b41f333c280c8032b5e77db030098db42681dd48771697cd7720ad1e2f5f2dc0bfc66579ddbdce149588b8fbc6611ca2024831dde6572ec7c"], 0x1) [ 62.951345] [] ? sel_read_bool+0x250/0x250 [ 62.957219] [] __vfs_write+0x103/0x680 [ 62.962755] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 62.969241] [] ? __might_sleep+0x95/0x1a0 [ 62.975043] [] ? __lock_is_held+0xa1/0xf0 [ 62.980825] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 62.987647] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 62.994212] [] ? __sb_start_write+0x14a/0x310 [ 63.000330] [] vfs_write+0x189/0x530 [ 63.005663] [] SyS_pwrite64+0x13f/0x170 [ 63.011257] [] ? SyS_pread64+0x170/0x170 [ 63.016939] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 63.023052] [] sys32_pwrite+0x39/0x50 [ 63.028471] [] ? sys32_pread+0x50/0x50 [ 63.033977] [] do_fast_syscall_32+0x2f5/0x870 [ 63.040093] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.046727] [] entry_SYSENTER_compat+0x90/0xa2 [ 63.058164] Mem-Info: [ 63.060683] active_anon:53718 inactive_anon:43 isolated_anon:0 [ 63.060683] active_file:3491 inactive_file:8691 isolated_file:0 [ 63.060683] unevictable:0 dirty:81 writeback:0 unstable:0 [ 63.060683] slab_reclaimable:6851 slab_unreclaimable:59032 [ 63.060683] mapped:23803 shmem:50 pagetables:609 bounce:0 [ 63.060683] free:1475655 free_pcp:457 free_cma:0 [ 63.095976] Node 0 active_anon:214872kB inactive_anon:172kB active_file:13964kB inactive_file:34764kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:328kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 63.125694] 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 [ 63.155195] lowmem_reserve[]: 0 2908 6410 6410 [ 63.163730] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 63.195811] lowmem_reserve[]: 0 0 3501 3501 [ 63.200882] Normal free:2907072kB min:36824kB low:46028kB high:55232kB active_anon:214896kB inactive_anon:172kB active_file:13964kB inactive_file:34780kB unevictable:0kB writepending:344kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27408kB slab_unreclaimable:235856kB kernel_stack:5472kB pagetables:2440kB bounce:0kB free_pcp:936kB local_pcp:616kB free_cma:0kB [ 63.234888] lowmem_reserve[]: 0 0 0 0 [ 63.239417] 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 [ 63.254700] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 63.272486] Normal: 130*4kB (UM) 34*8kB (UME) 99*16kB (UME) 127*32kB (UM) 179*64kB (UM) 24*128kB (UM) 8*256kB (UM) 11*512kB (M) 7*1024kB (UME) 4*2048kB (UM) 699*4096kB (M) = 2907112kB [ 63.291718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 63.300485] 12236 total pagecache pages [ 63.304442] 0 pages in swap cache [ 63.307891] Swap cache stats: add 0, delete 0, find 0/0 [ 63.313233] Free swap = 0kB [ 63.316225] Total swap = 0kB [ 63.319248] 1965969 pages RAM [ 63.322348] 0 pages HighMem/MovableOnly [ 63.326295] 320510 pages reserved [ 63.329820] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 63.339816] CPU: 1 PID: 8863 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 63.347325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.356647] ffff8801b6db78a8 ffffffff81d956f9 1ffff10036db6f18 ffff8801befb4800 [ 63.364612] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b6db79b8 [ 63.372572] ffffffff81451c92 024000c2b6db78f8 0000000041b58ab3 ffffffff84195b35 [ 63.380547] Call Trace: [ 63.383103] [] dump_stack+0xc1/0x128 [ 63.388434] [] warn_alloc+0x212/0x240 [ 63.393853] [] ? zone_watermark_ok_safe+0x280/0x280 [ 63.400487] [] ? avc_has_perm+0xb0/0x4f0 [ 63.406165] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 63.412625] [] __vmalloc_node_range+0x3f5/0x5f0 [ 63.418914] [] ? check_preemption_disabled+0x3b/0x200 [ 63.425722] [] ? task_has_security+0x130/0x270 [ 63.431921] [] vmalloc+0x5b/0x70 [ 63.436908] [] ? sel_write_load+0x130/0xfd0 [ 63.442846] [] sel_write_load+0x130/0xfd0 [ 63.448618] [] ? sel_read_bool+0x250/0x250 [ 63.454469] [] ? sel_read_bool+0x250/0x250 [ 63.460330] [] __vfs_write+0x103/0x680 [ 63.465833] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 63.472294] [] ? __might_sleep+0x95/0x1a0 [ 63.478061] [] ? __lock_is_held+0xa1/0xf0 [ 63.483826] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 63.490633] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 63.497181] [] ? __sb_start_write+0x14a/0x310 [ 63.503292] [] vfs_write+0x189/0x530 2018/03/07 14:40:37 executing program 7: socketpair$unix(0x1, 0x1, 0x0, &(0x7f000003bff8)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r0, 0x5452, &(0x7f0000e48000)=0x10000006) shutdown(r1, 0x2) dup3(r1, r1, 0x0) 2018/03/07 14:40:37 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x4012}) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x4800, 0xc1) getsockopt$inet_sctp_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000340)={0x0, @in6={{0xa, 0x4e21, 0x7fffffff, @local={0xfe, 0x80, [], 0xaa}, 0x8000}}}, &(0x7f0000000400)=0x84) getsockopt$inet_sctp_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f0000000440)={r2, 0xfff, 0x81, 0x9}, &(0x7f0000000480)=0x10) getsockopt$inet6_int(r1, 0x29, 0x12, &(0x7f00000002c0), &(0x7f0000000300)=0x4) setsockopt$inet_tcp_TCP_FASTOPEN_KEY(r1, 0x6, 0x21, &(0x7f0000000080)="9e3ee821e2d6bba5751b558b5cecb17d", 0x10) getsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f0000000140)={0x0, 0x3}, &(0x7f0000000180)=0x8) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f00000001c0)={r3, @in={{0x2, 0x4e20, @rand_addr=0x3ff}}}, &(0x7f0000000280)=0x84) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000000)) 2018/03/07 14:40:37 executing program 5: fstat(0xffffffffffffff9c, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r0) clock_nanosleep(0x7, 0x0, &(0x7f0000000000)={0x77359400}, &(0x7f0000000040)) r1 = memfd_create(&(0x7f00000000c0)='eth1.\x00', 0x2) ioctl$SIOCGIFHWADDR(r1, 0x8927, &(0x7f0000000100)) r2 = socket$l2tp(0x18, 0x1, 0x1) signalfd(r2, &(0x7f0000000080)={0x2}, 0x8) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r2, 0x111, 0x1, 0x0, 0x4) 2018/03/07 14:40:37 executing program 3: r0 = socket$inet(0x2, 0x2000007fd, 0x8000000040001) openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x8040, 0x0) r1 = open$dir(&(0x7f0000000000)='./file0\x00', 0x20000, 0x116) setsockopt$netlink_NETLINK_RX_RING(r0, 0x10e, 0x6, &(0x7f0000000100)={0xffff, 0x6, 0x3, 0xffff}, 0x10) r2 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f0000000240)='/dev/pktcdvd/control\x00', 0x40000, 0x0) ioctl$LOOP_CHANGE_FD(r2, 0x4c06, r1) futimesat(r1, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={{0x0, 0x7530}}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) sendto$inet(r0, &(0x7f0000000140)="96e7afc921fa9473441e4cf8e1fdb4c7d38e3b8191d0fce554efbafb83b388acc6b0047c6b524e68d00ab4ee32c59c48b8f2da1a432472f6447e33fee4f6c0ea83e3ea025bf92c178cb1b1ea6a5ef50715935a3ddba7efababb3fffb819dd8ff5da3bc5ac4879d5f051567045413039072b2dcb35cce37d164214129670efa13015a2140b1", 0x85, 0x10, &(0x7f0000000200)={0x2, 0x4e22, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) 2018/03/07 14:40:37 executing program 1: r0 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x1, 0x800) write$tun(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="cd902e6c5b5a5d1f3ce800000000004700eab4000000000000000000000000471f000000000900"], 0x32) syz_open_dev$urandom(&(0x7f0000000040)='/dev/urandom\x00', 0x0, 0x440040) ioctl(r0, 0x2275, &(0x7f0000761fff)) 2018/03/07 14:40:37 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000280)={0x0, @in={{0x2, 0x4e23, @rand_addr=0x8}}, 0xfffffffffffffdc8, 0x5, 0x10001, 0xc1, 0x7}, &(0x7f0000000200)=0x98) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000440)=@assoc_value={r2}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000340)={r2, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, 0x7, 0x1}, &(0x7f0000000400)=0x88) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000480)=@assoc_id=r2, 0x4) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r3, 0x2}, &(0x7f0000000240)=0x8) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000500)={0x10, 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="0f630c4000000cbcfd511b188300000100000000000000438370c9641bd2dbbad15981c656c672410080ffffffffffff34744061df931486f10710c8ab43e30003"], 0x13, 0x0, &(0x7f00000004c0)="0ee8a89222af192a61ef3e6424b9babb9cbac0"}) r4 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r4, 0x11, 0x64, &(0x7f00000005c0)=0x5, 0x4) 2018/03/07 14:40:37 executing program 0: r0 = dup(0xffffffffffffffff) ioctl$int_out(r0, 0x5460, &(0x7f0000000180)) r1 = syz_open_procfs(0x0, &(0x7f0000cebff6)='net/snmp6\x00') sendto$unix(r1, &(0x7f00000001c0)="c4b3099f3ce3aee205b4cebc7d9417f7a70842aa41a633a6d059e01e527d5cdd82146f0ff7b0f60dc1ee4bfb08717d88e49e4cc49227a2da4aaf71876456e5de56656a8233c20ba58d04d3b287c7bc5e78fe42cd7e665d9ea19fbf673c141d07741cf4aa24a72ef3b24703f3b5651b02cb3d335b8313920759fc18b4cb3ccd8c08312f9fdc094f4ac0086984dd583c5d5fe17389ce149bbdc81bc59ab3cd6a9959bd0c61e68a78a1d5075ca76cba4465762ea4c410ec598d4903c492c37d07cb12eb2cad0731bf28fe651b75cd0c", 0xce, 0x8000, &(0x7f0000000000)=@file={0x0, './file0\x00'}, 0x6e) ioctl$TIOCPKT(r1, 0x5420, &(0x7f0000000100)=0xfffffffffffffff9) preadv(r1, &(0x7f0000000340)=[], 0x2000000000000128, 0x45) connect$netrom(r1, &(0x7f00000002c0)=@full={{0x3, {"28d105047aa6eb"}, 0x8001}, [{"f763706cee3614"}, {"5cf6cf09c16e93"}, {"75da40103ec114"}, {"bfcecbecb95dff"}, {"572eea52c871e8"}, {"04023e59bcc707"}, {"94a8bcbc8924e1"}, {"812eb96af2143c"}]}, 0x48) r2 = fcntl$dupfd(r1, 0xffffffffffffffff, r1) ioctl$TIOCLINUX2(r2, 0x541c, &(0x7f00000000c0)={0x2, 0x6, 0x7f, 0x20, 0x6, 0x7}) 2018/03/07 14:40:37 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000013000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000004ff0)={0x2, &(0x7f0000002fe8)=[{0x3d}, {0x6}]}, 0x8) writev(r1, &(0x7f0000009000)=[{&(0x7f000000e000)="8f", 0x1}], 0x1) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)) 2018/03/07 14:40:37 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00001f0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCXONC(r0, 0x540a, 0x0) ioctl$TCXONC(r0, 0x540a, 0x2) ioctl$TCFLSH(r0, 0x540b, 0x1ff) ioctl$KDGKBDIACR(r0, 0x4b4a, &(0x7f0000000000)=""/198) fcntl$getflags(r0, 0x3) socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$VT_RESIZEX(r0, 0x560a, &(0x7f0000000100)={0x4, 0x8, 0x1, 0x0, 0x1, 0x1}) [ 63.509246] [] SyS_pwrite64+0x13f/0x170 [ 63.509254] [] ? SyS_pread64+0x170/0x170 [ 63.509267] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 63.509275] [] ? keyctl_setperm_key+0xbd/0x1b0 [ 63.509283] [] sys32_pwrite+0x39/0x50 [ 63.509289] [] ? sys32_pread+0x50/0x50 [ 63.509297] [] do_fast_syscall_32+0x2f5/0x870 [ 63.509304] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.509314] [] entry_SYSENTER_compat+0x90/0xa2 [ 63.509949] Mem-Info: [ 63.509966] active_anon:53654 inactive_anon:43 isolated_anon:0 [ 63.509966] active_file:3491 inactive_file:8697 isolated_file:0 [ 63.509966] unevictable:0 dirty:88 writeback:0 unstable:0 [ 63.509966] slab_reclaimable:6857 slab_unreclaimable:58986 [ 63.509966] mapped:23803 shmem:50 pagetables:602 bounce:0 [ 63.509966] free:1475803 free_pcp:450 free_cma:0 [ 63.509981] Node 0 active_anon:214616kB inactive_anon:172kB active_file:13964kB inactive_file:34788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:352kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 63.509996] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 63.510022] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 63.510047] Normal free:2907360kB min:36824kB low:46028kB high:55232kB active_anon:214616kB inactive_anon:172kB active_file:13964kB inactive_file:34788kB unevictable:0kB writepending:352kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27428kB slab_unreclaimable:235944kB kernel_stack:5376kB pagetables:2408kB bounce:0kB free_pcp:1028kB local_pcp:396kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 63.510096] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 196*4kB (UME) 38*8kB (UME) 97*16kB (M) 128*32kB (UME) 180*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 699*4096kB (M) = 2907344kB [ 63.510190] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 63.510193] 12237 total pagecache pages [ 63.510196] 0 pages in swap cache [ 63.510199] Swap cache stats: add 0, delete 0, find 0/0 [ 63.510201] Free swap = 0kB [ 63.510203] Total swap = 0kB [ 63.510206] 1965969 pages RAM [ 63.510207] 0 pages HighMem/MovableOnly [ 63.510209] 320510 pages reserved [ 63.528357] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 63.528366] CPU: 1 PID: 8885 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 63.528371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.528385] ffff8801b812f8a8 ffffffff81d956f9 1ffff10037025f18 ffff8801bbde0000 [ 63.528396] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b812f9b8 [ 63.528408] ffffffff81451c92 024000c2b812f8f8 0000000041b58ab3 ffffffff84195b35 [ 63.528409] Call Trace: [ 63.528424] [] dump_stack+0xc1/0x128 [ 63.528433] [] warn_alloc+0x212/0x240 [ 63.528441] [] ? zone_watermark_ok_safe+0x280/0x280 [ 63.528449] [] ? avc_has_perm+0xb0/0x4f0 [ 63.528458] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 63.528466] [] __vmalloc_node_range+0x3f5/0x5f0 [ 63.528475] [] ? check_preemption_disabled+0x3b/0x200 [ 63.528483] [] ? task_has_security+0x130/0x270 [ 63.528490] [] vmalloc+0x5b/0x70 [ 63.528498] [] ? sel_write_load+0x130/0xfd0 [ 63.528505] [] sel_write_load+0x130/0xfd0 [ 63.528512] [] ? sel_read_bool+0x250/0x250 [ 63.528520] [] ? sel_read_bool+0x250/0x250 [ 63.528529] [] __vfs_write+0x103/0x680 [ 63.528537] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 63.528545] [] ? __might_sleep+0x95/0x1a0 [ 63.528554] [] ? __lock_is_held+0xa1/0xf0 [ 63.528562] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 63.528569] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 63.528576] [] ? __sb_start_write+0x14a/0x310 [ 63.528584] [] vfs_write+0x189/0x530 [ 63.528592] [] SyS_pwrite64+0x13f/0x170 [ 63.528599] [] ? SyS_pread64+0x170/0x170 [ 63.528608] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 63.528615] [] sys32_pwrite+0x39/0x50 [ 63.528621] [] ? sys32_pread+0x50/0x50 [ 63.528629] [] do_fast_syscall_32+0x2f5/0x870 [ 63.528636] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.528651] [] entry_SYSENTER_compat+0x90/0xa2 [ 63.528729] Mem-Info: [ 63.528876] active_anon:55274 inactive_anon:43 isolated_anon:0 [ 63.528876] active_file:3491 inactive_file:8697 isolated_file:0 [ 63.528876] unevictable:0 dirty:88 writeback:0 unstable:0 [ 63.528876] slab_reclaimable:6857 slab_unreclaimable:59014 [ 63.528876] mapped:23828 shmem:50 pagetables:676 bounce:0 [ 63.528876] free:1473487 free_pcp:365 free_cma:0 [ 63.528893] Node 0 active_anon:221096kB inactive_anon:172kB active_file:13964kB inactive_file:34788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95312kB dirty:352kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 63.528914] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 63.528944] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 63.528971] Normal free:2898096kB min:36824kB low:46028kB high:55232kB active_anon:221096kB inactive_anon:172kB active_file:13964kB inactive_file:34788kB unevictable:0kB writepending:352kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27428kB slab_unreclaimable:236056kB kernel_stack:5856kB pagetables:2704kB bounce:0kB free_pcp:688kB local_pcp:196kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 63.529998] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 72*4kB (UME) 34*8kB (M) 98*16kB (UM) 107*32kB (UME) 180*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 698*4096kB (M) = 2895920kB [ 63.530141] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 63.530143] 12237 total pagecache pages [ 63.530147] 0 pages in swap cache [ 63.530152] Swap cache stats: add 0, delete 0, find 0/0 [ 63.530154] Free swap = 0kB [ 63.530157] Total swap = 0kB [ 63.530159] 1965969 pages RAM [ 63.530161] 0 pages HighMem/MovableOnly [ 63.530164] 320510 pages reserved [ 63.535328] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 63.535336] CPU: 1 PID: 8885 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 63.535341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.535355] ffff8801b812f8a8 ffffffff81d956f9 1ffff10037025f18 ffff8801bbde0000 [ 63.535365] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b812f9b8 [ 63.535376] ffffffff81451c92 024000c2b812f8f8 0000000041b58ab3 ffffffff84195b35 [ 63.535378] Call Trace: [ 63.535391] [] dump_stack+0xc1/0x128 [ 63.535402] [] warn_alloc+0x212/0x240 [ 63.535410] [] ? zone_watermark_ok_safe+0x280/0x280 [ 63.535418] [] ? avc_has_perm+0xb0/0x4f0 [ 63.535427] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 63.535436] [] __vmalloc_node_range+0x3f5/0x5f0 [ 63.535446] [] ? check_preemption_disabled+0x3b/0x200 [ 63.535456] [] ? task_has_security+0x130/0x270 [ 63.535463] [] vmalloc+0x5b/0x70 [ 63.535470] [] ? sel_write_load+0x130/0xfd0 [ 63.535477] [] sel_write_load+0x130/0xfd0 [ 63.535484] [] ? sel_read_bool+0x250/0x250 [ 63.535493] [] ? sel_read_bool+0x250/0x250 [ 63.535501] [] __vfs_write+0x103/0x680 [ 63.535509] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 63.535517] [] ? __might_sleep+0x95/0x1a0 [ 63.535526] [] ? __lock_is_held+0xa1/0xf0 [ 63.535534] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 63.535541] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 63.535548] [] ? __sb_start_write+0x14a/0x310 [ 63.535555] [] vfs_write+0x189/0x530 [ 63.535563] [] SyS_pwrite64+0x13f/0x170 [ 63.535571] [] ? SyS_pread64+0x170/0x170 [ 63.535580] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 63.535588] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 63.535596] [] sys32_pwrite+0x39/0x50 [ 63.535602] [] ? sys32_pread+0x50/0x50 [ 63.535609] [] do_fast_syscall_32+0x2f5/0x870 [ 63.535617] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.535625] [] entry_SYSENTER_compat+0x90/0xa2 [ 63.535629] Mem-Info: [ 63.535645] active_anon:57884 inactive_anon:43 isolated_anon:0 [ 63.535645] active_file:3491 inactive_file:8697 isolated_file:0 [ 63.535645] unevictable:0 dirty:88 writeback:0 unstable:0 [ 63.535645] slab_reclaimable:6857 slab_unreclaimable:59014 [ 63.535645] mapped:23828 shmem:50 pagetables:676 bounce:0 [ 63.535645] free:1470882 free_pcp:364 free_cma:0 [ 63.535660] Node 0 active_anon:231536kB inactive_anon:172kB active_file:13964kB inactive_file:34788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95312kB dirty:352kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 63.535675] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 63.535701] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 63.535732] Normal free:2887676kB min:36824kB low:46028kB high:55232kB active_anon:231536kB inactive_anon:172kB active_file:13964kB inactive_file:34788kB unevictable:0kB writepending:352kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27428kB slab_unreclaimable:236056kB kernel_stack:5856kB pagetables:2704kB bounce:0kB free_pcp:684kB local_pcp:200kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 63.535784] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 41*4kB (UME) 35*8kB (UM) 98*16kB (UM) 109*32kB (UME) 180*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 696*4096kB (M) = 2887676kB [ 63.535878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 63.535881] 12237 total pagecache pages [ 63.535884] 0 pages in swap cache [ 63.535888] Swap cache stats: add 0, delete 0, find 0/0 [ 63.535890] Free swap = 0kB 2018/03/07 14:40:38 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000013000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000004ff0)={0x2, &(0x7f0000002fe8)=[{0x3d}, {0x6}]}, 0x8) writev(r1, &(0x7f0000009000)=[{&(0x7f000000e000)="8f", 0x1}], 0x1) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)) 2018/03/07 14:40:38 executing program 7: r0 = socket$inet6(0xa, 0x807, 0x2) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000fca000)={0x0, {{0xa, 0x4e20, 0x0, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x84) bind$inet6(r0, &(0x7f0000000100)={0xa, 0x4e20, 0x1ff, @ipv4={[], [0xff, 0xff], @rand_addr=0x2}, 0x5}, 0x1c) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000000)={0x0, {{0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}, 0x84) uname(&(0x7f00000000c0)=""/40) 2018/03/07 14:40:38 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) ioctl$DRM_IOCTL_DROP_MASTER(r2, 0x641f) 2018/03/07 14:40:38 executing program 0: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000280)={0x0, @in={{0x2, 0x4e23, @rand_addr=0x8}}, 0xfffffffffffffdc8, 0x5, 0x10001, 0xc1, 0x7}, &(0x7f0000000200)=0x98) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000440)=@assoc_value={r2}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000340)={r2, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, 0x7, 0x1}, &(0x7f0000000400)=0x88) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000480)=@assoc_id=r2, 0x4) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r3, 0x2}, &(0x7f0000000240)=0x8) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000500)={0x10, 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="0f630c4000000cbcfd511b188300000100000000000000438370c9641bd2dbbad15981c656c672410080ffffffffffff34744061df931486f10710c8ab43e30003"], 0x13, 0x0, &(0x7f00000004c0)="0ee8a89222af192a61ef3e6424b9babb9cbac0"}) r4 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r4, 0x11, 0x64, &(0x7f00000005c0)=0x5, 0x4) 2018/03/07 14:40:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) sendfile64(r0, r0, &(0x7f0000000040), 0x4) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:38 executing program 6: r0 = socket$inet6(0xa, 0x800, 0x3) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000440)='/dev/keychord\x00', 0x80400, 0x0) ioctl$TCGETA(r1, 0x5405, &(0x7f0000000480)) timer_create(0x7, &(0x7f0000000140)={0x0, 0x40, 0x4, @thr={&(0x7f0000000200)="793ac3e0f9b146797cc6ec97b9a8bf6a206d8c5435fe7aaa583508562948440de7341dd4f8a5f328a110adba6edf417cbc691a5658171bc6338a47c351d96b6975d8bb2c1a136785c97226b07d3ecb2356f24e0a", &(0x7f0000000280)="1a688fc5d2da3d2eccab224ebb1f92be97074a2a68fba162c23cf3358091eda20bd87468277e5c0bd086a874d3fa25e0baf4270dcb53273ea64256e48d5856ac74140ee6d3bc325b204a2884f1574167331c12043dffad907d8a8509fb36dde9999a7121f08148b204e52056a2d442684e37bb5e033c419fc59b0554c92f997ad993ba2e4402b72d"}}, &(0x7f0000000180)=0x0) timer_gettime(r2, &(0x7f00000001c0)) mknod$loop(&(0x7f0000000040)='./file0\x00', 0x1018, 0x1) futex(&(0x7f0000000000), 0x5, 0x0, &(0x7f0000000000)={0x77359400}, &(0x7f0000000ffc), 0xc7fda99635440eee) openat$keychord(0xffffffffffffff9c, &(0x7f0000000340)='/dev/keychord\x00', 0x80400, 0x0) truncate(&(0x7f0000000400)='./file0\x00', 0xfffffffffffffffc) connect$unix(r1, &(0x7f00000004c0)=@abs={0x1, 0x0, 0x4e21}, 0xffffffffffffffe9) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000080)={0x0}, &(0x7f00000000c0)=0xc) sched_setaffinity(r3, 0x8, &(0x7f0000000100)=0x3ff) 2018/03/07 14:40:38 executing program 1: setrlimit(0x7, &(0x7f000018f000)={0x1}) socket$inet6_udp(0xa, 0x2, 0x0) 2018/03/07 14:40:38 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000000)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:38 executing program 4: r0 = memfd_create(&(0x7f000003e000)='\'', 0x0) r1 = syz_open_dev$sndseq(&(0x7f0000042000)='/dev/snd/seq\x00', 0x0, 0x0) keyctl$update(0x2, 0x0, 0x0, 0x1b8) connect$netrom(r0, &(0x7f0000000000)=@full={{0x3, {"0e24084f41eeb1"}, 0x40}, [{"dced32471a97f8"}, {"7432216c8accf4"}, {"3fccc5a05bab39"}, {"21b0a0d616ea9b"}, {"7ea504c82eb463"}, {"d0727390872a92"}, {"83245d28f0fa1e"}, {"f9d9c14c8b737a"}]}, 0x48) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000080)={0x0, 0x7ff800}, &(0x7f00000000c0)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000100)={r2}, &(0x7f0000000140)=0x8) r3 = dup2(r1, r0) dup2(r3, r1) mkdir(&(0x7f0000000180)='./file0\x00', 0xd0) read$eventfd(r3, &(0x7f0000000200), 0x8) [ 63.535892] Total swap = 0kB [ 63.535895] 1965969 pages RAM [ 63.535897] 0 pages HighMem/MovableOnly [ 63.535899] 320510 pages reserved 2018/03/07 14:40:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) sendfile64(r0, r0, &(0x7f0000000040), 0x4) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) sendfile64(r0, r0, &(0x7f0000000040), 0x4) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:38 executing program 4: uname(&(0x7f0000000000)=""/169) r0 = epoll_create1(0x0) r1 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12, 0x0, @tid}, &(0x7f0000583ffc)) epoll_pwait(r0, &(0x7f0000053000)=[{}], 0x1, 0x80, &(0x7f0000898000), 0x8) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000e60000)) tkill(r1, 0x15) 2018/03/07 14:40:38 executing program 7: prctl$intptr(0x1, 0x0) r0 = creat(&(0x7f0000000000)='./file0\x00', 0x0) write$sndseq(r0, &(0x7f0000000080)=[{0xea, 0x65, 0x3, 0x1, @time={0x77359400}, {0xfffffffffffff87f, 0xfffffffffffffe01}, {0x3, 0x5}, @result={0x2, 0x4}}, {0xd4, 0x3f, 0xff, 0x5, @tick, {0x8}, {0x9, 0x100000001}, @ext={0x17, &(0x7f0000000040)="93ca7e0ee91ac695215772a9f7cca2defc945578a331a1"}}, {0x2, 0x6, 0xffffffff, 0x2, @tick=0xfffffffffffffffd, {0xfffffffffffffffb, 0x7ff}, {0x9, 0x2}, @connect={{0x5, 0x2}, {0xffffffff, 0x3ff}}}, {0x8, 0x0, 0xff, 0x1, @time={0x0, 0x1c9c380}, {0x1, 0x3}, {0x2, 0xb}, @connect={{0xfffffffffffffffe, 0x94d5}, {0xc9}}}], 0x70) 2018/03/07 14:40:38 executing program 3: r0 = socket$inet(0x2, 0x4, 0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) getsockopt$inet_sctp_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000000)={0x0, 0x6}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000080)=@assoc_value={r1, 0xff}, &(0x7f00000000c0)=0x8) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e22, @empty}, 0xffffffffffffff0d) fallocate(r0, 0x2, 0x51c, 0x7) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) 2018/03/07 14:40:38 executing program 1: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000140)={0xaa}) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000180)={{&(0x7f0000ffc000/0x4000)=nil, 0x4000}, 0x1}) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000040)={0x0}, &(0x7f0000000080)=0xc) ptrace(0x19, r1) sigaltstack(&(0x7f0000ffc000/0x4000)=nil, 0x0) ioctl$UFFDIO_WAKE(r0, 0x8010aa02, &(0x7f0000000000)={&(0x7f0000ffc000/0x2000)=nil, 0x2000}) [ 64.815875] syz-executor2: [ 64.815901] lo: FDB only supports static addresses [ 64.832426] vmalloc: allocation failure: 0 bytes[ 64.835227] lo: FDB only supports static addresses [ 64.845720] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 64.851946] CPU: 1 PID: 8922 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 64.859481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.861535] lo: FDB only supports static addresses [ 64.873719] ffff8801d910f8a8 ffffffff81d956f9 1ffff1003b221f18 ffff8801b9594800 [ 64.881699] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d910f9b8 [ 64.889679] ffffffff81451c92 024000c2d910f8f8 0000000041b58ab3 ffffffff84195b35 [ 64.897650] Call Trace: [ 64.900212] [] dump_stack+0xc1/0x128 [ 64.905546] [] warn_alloc+0x212/0x240 [ 64.910969] [] ? zone_watermark_ok_safe+0x280/0x280 [ 64.917611] [] ? avc_has_perm+0xb0/0x4f0 [ 64.923293] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 64.929757] [] __vmalloc_node_range+0x3f5/0x5f0 [ 64.936045] [] ? check_preemption_disabled+0x3b/0x200 [ 64.942857] [] ? task_has_security+0x130/0x270 [ 64.949057] [] vmalloc+0x5b/0x70 [ 64.954043] [] ? sel_write_load+0x130/0xfd0 [ 64.959983] [] sel_write_load+0x130/0xfd0 [ 64.965750] [] ? sel_read_bool+0x250/0x250 [ 64.971612] [] ? sel_read_bool+0x250/0x250 [ 64.977471] [] __vfs_write+0x103/0x680 [ 64.982978] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 64.989445] [] ? __might_sleep+0x95/0x1a0 [ 64.995213] [] ? __lock_is_held+0xa1/0xf0 [ 65.000981] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 65.007792] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 65.014343] [] ? __sb_start_write+0x14a/0x310 [ 65.020459] [] vfs_write+0x189/0x530 [ 65.025792] [] SyS_pwrite64+0x13f/0x170 [ 65.031386] [] ? SyS_pread64+0x170/0x170 [ 65.037067] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 65.043186] [] sys32_pwrite+0x39/0x50 [ 65.048607] [] ? sys32_pread+0x50/0x50 [ 65.054112] [] do_fast_syscall_32+0x2f5/0x870 [ 65.060229] [] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/03/07 14:40:38 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) sendfile64(r0, r0, &(0x7f0000000040), 0x4) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:38 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x10, &(0x7f0000000140)=0xdb7c, 0x4) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000180)={r1}, &(0x7f0000000240)=0x8) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) socketpair(0x4, 0x3, 0x80000001, &(0x7f0000000200)) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:38 executing program 0: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000280)={0x0, @in={{0x2, 0x4e23, @rand_addr=0x8}}, 0xfffffffffffffdc8, 0x5, 0x10001, 0xc1, 0x7}, &(0x7f0000000200)=0x98) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000440)=@assoc_value={r2}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000340)={r2, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, 0x7, 0x1}, &(0x7f0000000400)=0x88) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000480)=@assoc_id=r2, 0x4) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r3, 0x2}, &(0x7f0000000240)=0x8) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000500)={0x10, 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="0f630c4000000cbcfd511b188300000100000000000000438370c9641bd2dbbad15981c656c672410080ffffffffffff34744061df931486f10710c8ab43e30003"], 0x13, 0x0, &(0x7f00000004c0)="0ee8a89222af192a61ef3e6424b9babb9cbac0"}) r4 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r4, 0x11, 0x64, &(0x7f00000005c0)=0x5, 0x4) 2018/03/07 14:40:38 executing program 7: r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x10100, 0x0) ioctl$EVIOCRMFF(r0, 0x40044581, &(0x7f00000000c0)=0x7f8000000000) getpeername$inet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, @dev}, &(0x7f0000000040)=0x10) getsockopt$sock_buf(r0, 0x1, 0x1f, &(0x7f00000002c0)=""/152, &(0x7f0000000380)=0x98) ioctl$EVIOCGSND(r0, 0x8040451a, &(0x7f0000000100)=""/147) ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0106434, &(0x7f0000000240)={0x8, 0x0, 0x0, 0x200}) ioctl$DRM_IOCTL_AGP_BIND(r0, 0x40086436, &(0x7f0000000280)={r1, 0x10001}) setsockopt$inet_mreq(0xffffffffffffffff, 0x0, 0x20, &(0x7f0000001000)={@rand_addr, @multicast2=0xe0000002}, 0x8) fdatasync(r0) flistxattr(r0, &(0x7f00000001c0)=""/35, 0x23) syz_open_dev$evdev(&(0x7f0000000200)='/dev/input/event#\x00', 0x800, 0x2) [ 65.066869] [] entry_SYSENTER_compat+0x90/0xa2 [ 65.081921] lo: FDB only supports static addresses [ 65.091772] Mem-Info: [ 65.091790] active_anon:58450 inactive_anon:43 isolated_anon:0 2018/03/07 14:40:38 executing program 0: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/cache_stats\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffffff, 0x84, 0x9, &(0x7f0000000280)={0x0, @in={{0x2, 0x4e23, @rand_addr=0x8}}, 0xfffffffffffffdc8, 0x5, 0x10001, 0xc1, 0x7}, &(0x7f0000000200)=0x98) setsockopt$inet_sctp6_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000440)=@assoc_value={r2}, 0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000340)={r2, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, 0x7, 0x1}, &(0x7f0000000400)=0x88) setsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000480)=@assoc_id=r2, 0x4) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r3, 0x2}, &(0x7f0000000240)=0x8) ioctl$BINDER_WRITE_READ(r1, 0xc0306201, &(0x7f0000000500)={0x10, 0x0, &(0x7f0000000540)=ANY=[@ANYBLOB="0f630c4000000cbcfd511b188300000100000000000000438370c9641bd2dbbad15981c656c672410080ffffffffffff34744061df931486f10710c8ab43e30003"], 0x13, 0x0, &(0x7f00000004c0)="0ee8a89222af192a61ef3e6424b9babb9cbac0"}) r4 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r4, 0x11, 0x64, &(0x7f00000005c0)=0x5, 0x4) 2018/03/07 14:40:38 executing program 7: mkdir(&(0x7f0000000180)='./file1\x00', 0x0) mount(&(0x7f00000000c0)='./file1\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000140)='autofs\x00', 0x0, 0x0) chmod(&(0x7f0000000040)='./file0\x00', 0xc0) [ 65.091790] active_file:3491 inactive_file:8700 isolated_file:0 [ 65.091790] unevictable:0 dirty:96 writeback:0 unstable:0 [ 65.091790] slab_reclaimable:6818 slab_unreclaimable:59074 [ 65.091790] mapped:23864 shmem:50 pagetables:712 bounce:0 [ 65.091790] free:1470735 free_pcp:330 free_cma:0 2018/03/07 14:40:38 executing program 6: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) fcntl$getownex(r0, 0x10, &(0x7f0000000040)={0x0, 0x0}) ioctl$sock_inet6_udp_SIOCINQ(r0, 0x541b, &(0x7f0000000080)) setpriority(0x2, r1, 0x9) bind$netlink(r0, &(0x7f0000000000)={0x10, 0x0, 0x0, 0x20001000001}, 0xc) r2 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r2, &(0x7f0000000040), 0x0, 0x0, &(0x7f0000000fe4)={0xa, 0x4e20, 0x0, @empty}, 0x1c) 2018/03/07 14:40:38 executing program 0: r0 = syz_open_dev$loop(&(0x7f000002c000)='/dev/loop#\x00', 0x0, 0x441) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x80, 0x0) r2 = accept4$vsock_stream(0xffffffffffffffff, &(0x7f0000000040)={0x28, 0x0, 0xffffffff, @hyper}, 0x10, 0x80000) connect$l2tp(r1, &(0x7f0000000080)=@pppol2tpv3in6={0x18, 0x1, {0x0, r2, 0x0, 0x0, 0x0, 0x0, {0xa, 0x4e22, 0x2, @mcast2={0xff, 0x2, [], 0x1}, 0x6}}}, 0x3a) mmap(&(0x7f0000000000/0xfff000)=nil, 0xfff000, 0x1, 0x32, 0xffffffffffffffff, 0x0) ioctl(r0, 0x440000000000127d, &(0x7f000002cfff)) setsockopt$inet_sctp6_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000280)=ANY=[@ANYBLOB="2e49da3db3913c735bbe1a0c9a7741ee8fd6f9b8bd484c1fb1454a0a09b5f904ef63ae0d6849c32b9020c6950e86d0744089bd0fbf5147ad0aa34fa1af849c62aa2758f44fc22b8d4840de42cec356b34b0600646073ba7598eb205e5671774a687256e4990d94d1d0098007a22c3462459823c0f5e856d5f5a9d59a8fc181825a04f19f08722214791acb08f61d845152b6e6f421e391bb81f229b0e83cc289699ea8d7e1dca3218f60a10d638e994ef013f80dc1847433e14341cd2986c1c0dc5a055ac937f71b9588250600000000000000439a128e409d92102f51b18c583b7329ddb67d26944a0b8deadf8000c51102787acca99f16071d7904ae12d11e89df1e0cb1d137487ef190998ef9c2e417f82d3262788b79b85d27baab1c42316a9e7bbf43a0ad90aba79d97f8a76d1d6b83e10f894cf4058d577368cf8d2a6c0a5a1c676615b9e9cf1d3a0cc2501c0b8a3f2ee9c9cb5206c2ccccd2ff08f2c22c3684997f8bb72b26b68f285a5e2c38a3f118031fb90ae3eeef2a7442d9143017b8fe68cf9f449f0c709b2f742924c64444299960ed3457168a57c5"], 0xa) 2018/03/07 14:40:38 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f0000000340)="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", 0x12e, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f00000001c0)={r2, 0x46}, &(0x7f0000000200)=0x8) setsockopt$inet_sctp6_SCTP_SET_PEER_PRIMARY_ADDR(r3, 0x84, 0x5, &(0x7f0000000280)={r1, @in={{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}}, 0x84) setsockopt$inet6_int(r3, 0x29, 0x50, &(0x7f0000000180)=0xfffffffffffffffe, 0x4) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) 2018/03/07 14:40:38 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = dup(r0) ioctl$PERF_EVENT_IOC_REFRESH(r1, 0x2402, 0x401) sendto$unix(r1, &(0x7f0000000000)="242bbcda495c345312f41ff9b6a35be019b953238d721dd4dc2e62d8f75f3760abb55ec067ad10e72601dcf1dca0124c8a18367ae08bc32ea8f01bb3fdff765283560a67f80a40d47c12ddd2a96a647d3e551d2733e2ce42f207f764e1ba6c27e5909722b1de2b5593b75fee19005b37e38d3015f4607fe0fcb0e8b54bc1870952c11c35ec846ba1ce4de9e94280c217a1e2831e2324031144009b7e920492818aa2a5aa57b9b4df422a009f026ff31466b6", 0xb2, 0x20000000, &(0x7f00000000c0)=@abs={0x1, 0x0, 0x4e22}, 0x6e) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000200)={'eql\x00', 0x0}) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000240)={r2, 0x1, 0x6, @random="1dc2854912c1"}, 0x10) 2018/03/07 14:40:38 executing program 7: connect$inet6(0xffffffffffffffff, &(0x7f000000cfe4)={0xa, 0x4e20, 0x0, @empty}, 0x1c) sendmmsg(0xffffffffffffffff, &(0x7f0000007e00)=[{{0x0, 0x0, &(0x7f0000000380)=[], 0x0, &(0x7f00000003c0)=[]}}, {{&(0x7f00000004c0)=@in6={0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000000680)=[], 0x0, &(0x7f0000002000)=[]}}], 0x2, 0x0) 2018/03/07 14:40:38 executing program 4: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000044ff8)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000)=[], 0x80, 0x0) r2 = dup2(r1, r0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000000)=0x6196, 0x4) 2018/03/07 14:40:38 executing program 4: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000044ff8)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f00000bd000)=[], 0x80, 0x0) r2 = dup2(r1, r0) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000000000)=0x6196, 0x4) [ 65.091805] Node 0 active_anon:233800kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95456kB dirty:384kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 65.091822] 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 2018/03/07 14:40:38 executing program 7: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000300)='/selinux/checkreqprot\x00', 0x101802, 0x0) sysinfo(&(0x7f0000000000)=""/23) accept4$netrom(r0, &(0x7f0000000340)=@ax25, &(0x7f0000000380)=0x10, 0x80000) r1 = socket$inet6(0xa, 0x800000000000801, 0x0) setsockopt$inet6_MRT6_ADD_MFC_PROXY(r1, 0x29, 0xd2, &(0x7f0000000040)={{0xa, 0x4e20, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, {0xa, 0x4e20, 0x0, @empty}, 0x0, [0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, 0x5c) 2018/03/07 14:40:38 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000002c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) lowmem_reserve[]: 0 2908 6410 6410 [ 65.091849] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 65.091881] Normal free:2887088kB min:36824kB low:46028kB high:55232kB active_anon:233800kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB writepending:384kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27272kB slab_unreclaimable:236296kB kernel_stack:6080kB pagetables:2848kB bounce:0kB free_pcp:548kB local_pcp:200kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 65.092030] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 20*4kB (U) 8*8kB (UM) 106*16kB (UME) 87*32kB (UME) 182*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 696*4096kB (M) = 2886928kB [ 65.092131] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.092134] 12240 total pagecache pages [ 65.092138] 0 pages in swap cache [ 65.092142] Swap cache stats: add 0, delete 0, find 0/0 [ 65.092144] Free swap = 0kB [ 65.092146] Total swap = 0kB [ 65.092149] 1965969 pages RAM [ 65.092151] 0 pages HighMem/MovableOnly [ 65.092153] 320510 pages reserved [ 65.092194] syz-executor0: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 65.092202] CPU: 1 PID: 8924 Comm: syz-executor0 Not tainted 4.9.86-gb324a70 #58 [ 65.092208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.092223] ffff8801b6eb78a8 ffffffff81d956f9 1ffff10036dd6f18 ffff8801b9593000 [ 65.092235] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b6eb79b8 [ 65.092247] ffffffff81451c92 024000c2b6eb78f8 0000000041b58ab3 ffffffff84195b35 [ 65.092249] Call Trace: [ 65.092263] [] dump_stack+0xc1/0x128 [ 65.092275] [] warn_alloc+0x212/0x240 [ 65.092287] [] ? zone_watermark_ok_safe+0x280/0x280 [ 65.092297] [] ? avc_has_perm+0xb0/0x4f0 [ 65.092306] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 65.092315] [] __vmalloc_node_range+0x3f5/0x5f0 [ 65.092324] [] ? check_preemption_disabled+0x3b/0x200 [ 65.092332] [] ? task_has_security+0x130/0x270 [ 65.092340] [] vmalloc+0x5b/0x70 [ 65.092347] [] ? sel_write_load+0x130/0xfd0 [ 65.092354] [] sel_write_load+0x130/0xfd0 [ 65.092364] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 65.092371] [] ? futex_wake+0x146/0x440 [ 65.092379] [] ? sel_read_bool+0x250/0x250 [ 65.092388] [] ? sel_read_bool+0x250/0x250 [ 65.092396] [] __vfs_write+0x103/0x680 [ 65.092405] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 65.092413] [] ? __might_sleep+0x95/0x1a0 [ 65.092422] [] ? __lock_is_held+0xa1/0xf0 [ 65.092431] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 65.092439] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 65.092447] [] ? __sb_start_write+0x14a/0x310 [ 65.092454] [] vfs_write+0x189/0x530 [ 65.092462] [] SyS_pwrite64+0x13f/0x170 [ 65.092470] [] ? SyS_pread64+0x170/0x170 [ 65.092478] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 65.092486] [] sys32_pwrite+0x39/0x50 [ 65.092492] [] ? sys32_pread+0x50/0x50 [ 65.092500] [] do_fast_syscall_32+0x2f5/0x870 [ 65.092507] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.092516] [] entry_SYSENTER_compat+0x90/0xa2 [ 65.092519] Mem-Info: [ 65.092537] active_anon:58450 inactive_anon:43 isolated_anon:0 [ 65.092537] active_file:3491 inactive_file:8700 isolated_file:0 [ 65.092537] unevictable:0 dirty:96 writeback:0 unstable:0 [ 65.092537] slab_reclaimable:6818 slab_unreclaimable:59074 [ 65.092537] mapped:23864 shmem:50 pagetables:712 bounce:0 [ 65.092537] free:1470735 free_pcp:373 free_cma:0 [ 65.092555] Node 0 active_anon:233800kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95456kB dirty:384kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 65.092571] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 65.092607] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 65.092637] Normal free:2886984kB min:36824kB low:46028kB high:55232kB active_anon:233800kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB writepending:384kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27272kB slab_unreclaimable:236296kB kernel_stack:6080kB pagetables:2848kB bounce:0kB free_pcp:720kB local_pcp:200kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 65.092689] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 20*4kB (U) 8*8kB (UM) 106*16kB (UME) 87*32kB (UME) 182*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 696*4096kB (M) = 2886928kB [ 65.092836] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.092838] 12240 total pagecache pages [ 65.092841] 0 pages in swap cache [ 65.092845] Swap cache stats: add 0, delete 0, find 0/0 [ 65.092848] Free swap = 0kB [ 65.092850] Total swap = 0kB [ 65.092852] 1965969 pages RAM [ 65.092855] 0 pages HighMem/MovableOnly [ 65.092857] 320510 pages reserved [ 65.093066] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 65.093074] CPU: 1 PID: 8936 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 65.093078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.093091] ffff8801b59478a8 ffffffff81d956f9 1ffff10036b28f18 ffff8801b833e000 [ 65.093101] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b59479b8 [ 65.093111] ffffffff81451c92 024000c2b59478f8 0000000041b58ab3 ffffffff84195b35 [ 65.093112] Call Trace: [ 65.093121] [] dump_stack+0xc1/0x128 [ 65.093130] [] warn_alloc+0x212/0x240 [ 65.093138] [] ? zone_watermark_ok_safe+0x280/0x280 [ 65.093148] [] ? avc_has_perm+0xb0/0x4f0 [ 65.093158] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 65.093168] [] __vmalloc_node_range+0x3f5/0x5f0 [ 65.093179] [] ? check_preemption_disabled+0x3b/0x200 [ 65.093186] [] ? task_has_security+0x130/0x270 [ 65.093193] [] vmalloc+0x5b/0x70 [ 65.093201] [] ? sel_write_load+0x130/0xfd0 [ 65.093207] [] sel_write_load+0x130/0xfd0 [ 65.093215] [] ? sel_read_bool+0x250/0x250 [ 65.093223] [] ? _raw_spin_unlock_irq+0x38/0x50 [ 65.093231] [] ? finish_task_switch+0x1ed/0x630 [ 65.093238] [] ? finish_task_switch+0x1c1/0x630 [ 65.093246] [] ? __schedule+0x64d/0x1ba0 [ 65.093253] [] ? sel_read_bool+0x250/0x250 [ 65.093260] [] __vfs_write+0x103/0x680 [ 65.093268] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 65.093275] [] ? __might_sleep+0x95/0x1a0 [ 65.093283] [] ? __lock_is_held+0xa1/0xf0 [ 65.093291] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 65.093298] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 65.093305] [] ? __sb_start_write+0x14a/0x310 [ 65.093312] [] vfs_write+0x189/0x530 [ 65.093320] [] SyS_pwrite64+0x13f/0x170 [ 65.093327] [] ? SyS_pread64+0x170/0x170 [ 65.093335] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 65.093342] [] sys32_pwrite+0x39/0x50 [ 65.093348] [] ? sys32_pread+0x50/0x50 [ 65.093355] [] do_fast_syscall_32+0x2f5/0x870 [ 65.093362] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.093370] [] entry_SYSENTER_compat+0x90/0xa2 [ 65.093373] Mem-Info: [ 65.093388] active_anon:58450 inactive_anon:43 isolated_anon:0 [ 65.093388] active_file:3491 inactive_file:8700 isolated_file:0 [ 65.093388] unevictable:0 dirty:96 writeback:0 unstable:0 [ 65.093388] slab_reclaimable:6818 slab_unreclaimable:59074 [ 65.093388] mapped:23864 shmem:50 pagetables:712 bounce:0 [ 65.093388] free:1470709 free_pcp:371 free_cma:0 [ 65.093403] Node 0 active_anon:233800kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95456kB dirty:384kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 65.093418] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 65.093443] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 65.093470] Normal free:2886984kB min:36824kB low:46028kB high:55232kB active_anon:233800kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB writepending:384kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27272kB slab_unreclaimable:236296kB kernel_stack:6080kB pagetables:2848kB bounce:0kB free_pcp:712kB local_pcp:192kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 65.093518] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 20*4kB (U) 8*8kB (UM) 106*16kB (UME) 87*32kB (UME) 182*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 696*4096kB (M) = 2886928kB [ 65.093621] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.093623] 12240 total pagecache pages [ 65.093625] 0 pages in swap cache [ 65.093630] Swap cache stats: add 0, delete 0, find 0/0 [ 65.093633] Free swap = 0kB [ 65.093635] Total swap = 0kB [ 65.093637] 1965969 pages RAM [ 65.093640] 0 pages HighMem/MovableOnly [ 65.093642] 320510 pages reserved [ 65.112444] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 65.112454] CPU: 1 PID: 8968 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 65.112459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.112474] ffff8801bfd5f8a8 ffffffff81d956f9 1ffff10037fabf18 ffff8801bd6f3000 [ 65.112485] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801bfd5f9b8 [ 65.112497] ffffffff81451c92 024000c2bfd5f8f8 0000000041b58ab3 ffffffff84195b35 [ 65.112499] Call Trace: [ 65.112511] [] dump_stack+0xc1/0x128 [ 65.112520] [] warn_alloc+0x212/0x240 [ 65.112528] [] ? zone_watermark_ok_safe+0x280/0x280 [ 65.112536] [] ? avc_has_perm+0xb0/0x4f0 [ 65.112545] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 65.112553] [] __vmalloc_node_range+0x3f5/0x5f0 [ 65.112562] [] ? check_preemption_disabled+0x3b/0x200 [ 65.112570] [] ? task_has_security+0x130/0x270 [ 65.112577] [] vmalloc+0x5b/0x70 [ 65.112589] [] ? sel_write_load+0x130/0xfd0 [ 65.112597] [] sel_write_load+0x130/0xfd0 [ 65.112609] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 65.112617] [] ? futex_wake+0x146/0x440 [ 65.112626] [] ? sel_read_bool+0x250/0x250 [ 65.112636] [] ? sel_read_bool+0x250/0x250 [ 65.112645] [] __vfs_write+0x103/0x680 [ 65.112655] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 65.112665] [] ? __might_sleep+0x95/0x1a0 [ 65.112674] [] ? __lock_is_held+0xa1/0xf0 [ 65.112682] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 65.112689] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 65.112696] [] ? __sb_start_write+0x14a/0x310 [ 65.112704] [] vfs_write+0x189/0x530 [ 65.112711] [] SyS_pwrite64+0x13f/0x170 [ 65.112719] [] ? SyS_pread64+0x170/0x170 [ 65.112727] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 65.112735] [] sys32_pwrite+0x39/0x50 [ 65.112741] [] ? sys32_pread+0x50/0x50 [ 65.112749] [] do_fast_syscall_32+0x2f5/0x870 [ 65.112756] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.112764] [] entry_SYSENTER_compat+0x90/0xa2 [ 65.112767] Mem-Info: [ 65.112785] active_anon:57406 inactive_anon:43 isolated_anon:0 [ 65.112785] active_file:3491 inactive_file:8700 isolated_file:0 [ 65.112785] unevictable:0 dirty:96 writeback:0 unstable:0 [ 65.112785] slab_reclaimable:6818 slab_unreclaimable:59037 [ 65.112785] mapped:23839 shmem:50 pagetables:675 bounce:0 [ 65.112785] free:1470762 free_pcp:423 free_cma:0 [ 65.112799] Node 0 active_anon:229624kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95356kB dirty:384kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 65.112818] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 65.112849] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 65.112881] Normal free:2887196kB min:36824kB low:46028kB high:55232kB active_anon:229624kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB writepending:384kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27272kB slab_unreclaimable:236148kB kernel_stack:5920kB pagetables:2700kB bounce:0kB free_pcp:920kB local_pcp:328kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 65.112933] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 21*4kB (UM) 1*8kB (M) 100*16kB (UME) 97*32kB (UME) 183*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 696*4096kB (M) = 2887164kB [ 65.113026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.113029] 12240 total pagecache pages [ 65.113032] 0 pages in swap cache [ 65.113036] Swap cache stats: add 0, delete 0, find 0/0 [ 65.113038] Free swap = 0kB [ 65.113040] Total swap = 0kB [ 65.113043] 1965969 pages RAM [ 65.113045] 0 pages HighMem/MovableOnly [ 65.113047] 320510 pages reserved [ 65.120062] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 65.120070] CPU: 1 PID: 8968 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 65.120075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.120087] ffff8801bfd5f8a8 ffffffff81d956f9 1ffff10037fabf18 ffff8801bd6f3000 [ 65.120097] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801bfd5f9b8 [ 65.120106] ffffffff81451c92 024000c2bfd5f8f8 0000000041b58ab3 ffffffff84195b35 [ 65.120108] Call Trace: [ 65.120119] [] dump_stack+0xc1/0x128 [ 65.120127] [] warn_alloc+0x212/0x240 [ 65.120135] [] ? zone_watermark_ok_safe+0x280/0x280 [ 65.120143] [] ? avc_has_perm+0xb0/0x4f0 [ 65.120152] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 65.120161] [] __vmalloc_node_range+0x3f5/0x5f0 [ 65.120170] [] ? check_preemption_disabled+0x3b/0x200 [ 65.120179] [] ? task_has_security+0x130/0x270 [ 65.120187] [] vmalloc+0x5b/0x70 [ 65.120194] [] ? sel_write_load+0x130/0xfd0 [ 65.120201] [] sel_write_load+0x130/0xfd0 [ 65.120208] [] ? sel_read_bool+0x250/0x250 [ 65.120216] [] ? sel_read_bool+0x250/0x250 [ 65.120224] [] __vfs_write+0x103/0x680 [ 65.120232] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 65.120240] [] ? __might_sleep+0x95/0x1a0 [ 65.120249] [] ? __lock_is_held+0xa1/0xf0 [ 65.120257] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 65.120264] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 65.120271] [] ? __sb_start_write+0x14a/0x310 [ 65.120278] [] vfs_write+0x189/0x530 [ 65.120286] [] SyS_pwrite64+0x13f/0x170 [ 65.120293] [] ? SyS_pread64+0x170/0x170 [ 65.120303] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 65.120311] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 65.120319] [] sys32_pwrite+0x39/0x50 [ 65.120325] [] ? sys32_pread+0x50/0x50 [ 65.120333] [] do_fast_syscall_32+0x2f5/0x870 [ 65.120340] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.120348] [] entry_SYSENTER_compat+0x90/0xa2 [ 65.120351] Mem-Info: [ 65.120369] active_anon:57955 inactive_anon:43 isolated_anon:0 [ 65.120369] active_file:3491 inactive_file:8700 isolated_file:0 [ 65.120369] unevictable:0 dirty:96 writeback:0 unstable:0 [ 65.120369] slab_reclaimable:6818 slab_unreclaimable:58927 [ 65.120369] mapped:23864 shmem:50 pagetables:675 bounce:0 [ 65.120369] free:1470283 free_pcp:459 free_cma:0 [ 65.120383] Node 0 active_anon:231820kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95456kB dirty:384kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 65.120399] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 65.120425] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 65.120453] Normal free:2885280kB min:36824kB low:46028kB high:55232kB active_anon:231820kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB writepending:384kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27272kB slab_unreclaimable:235708kB kernel_stack:6016kB pagetables:2700kB bounce:0kB free_pcp:1064kB local_pcp:472kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 65.120502] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 2*4kB (UM) 3*8kB (UM) 101*16kB (UME) 105*32kB (UME) 183*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 695*4096kB (M) = 2885328kB [ 65.120601] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.120603] 12240 total pagecache pages [ 65.120607] 0 pages in swap cache [ 65.120611] Swap cache stats: add 0, delete 0, find 0/0 [ 65.120613] Free swap = 0kB [ 65.120615] Total swap = 0kB [ 65.120617] 1965969 pages RAM [ 65.120619] 0 pages HighMem/MovableOnly [ 65.120621] 320510 pages reserved [ 65.122598] syz-executor0: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 65.122606] CPU: 1 PID: 8973 Comm: syz-executor0 Not tainted 4.9.86-gb324a70 #58 [ 65.122611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.122624] ffff8801c65f78a8 ffffffff81d956f9 1ffff10038cbef18 ffff8801b6ffb000 [ 65.122636] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c65f79b8 [ 65.122647] ffffffff81451c92 024000c2c65f78f8 0000000041b58ab3 ffffffff84195b35 [ 65.122648] Call Trace: [ 65.122658] [] dump_stack+0xc1/0x128 [ 65.122667] [] warn_alloc+0x212/0x240 [ 65.122674] [] ? zone_watermark_ok_safe+0x280/0x280 [ 65.122683] [] ? avc_has_perm+0xb0/0x4f0 [ 65.122691] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 65.122700] [] __vmalloc_node_range+0x3f5/0x5f0 [ 65.122712] [] ? check_preemption_disabled+0x3b/0x200 [ 65.122725] [] ? task_has_security+0x130/0x270 [ 65.122732] [] vmalloc+0x5b/0x70 [ 65.122740] [] ? sel_write_load+0x130/0xfd0 [ 65.122747] [] sel_write_load+0x130/0xfd0 [ 65.122756] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 65.122762] [] ? futex_wake+0x146/0x440 [ 65.122770] [] ? sel_read_bool+0x250/0x250 [ 65.122778] [] ? sel_read_bool+0x250/0x250 [ 65.122786] [] __vfs_write+0x103/0x680 [ 65.122794] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 65.122801] [] ? __might_sleep+0x95/0x1a0 [ 65.122810] [] ? __lock_is_held+0xa1/0xf0 [ 65.122818] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 65.122826] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 65.122833] [] ? __sb_start_write+0x14a/0x310 [ 65.122840] [] vfs_write+0x189/0x530 [ 65.122848] [] SyS_pwrite64+0x13f/0x170 [ 65.122855] [] ? SyS_pread64+0x170/0x170 [ 65.122863] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 65.122871] [] sys32_pwrite+0x39/0x50 [ 65.122877] [] ? sys32_pread+0x50/0x50 [ 65.122884] [] do_fast_syscall_32+0x2f5/0x870 [ 65.122891] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.122900] [] entry_SYSENTER_compat+0x90/0xa2 [ 65.123562] Mem-Info: [ 65.123587] active_anon:58964 inactive_anon:43 isolated_anon:0 [ 65.123587] active_file:3491 inactive_file:8700 isolated_file:0 [ 65.123587] unevictable:0 dirty:96 writeback:0 unstable:0 [ 65.123587] slab_reclaimable:6818 slab_unreclaimable:58927 [ 65.123587] mapped:23864 shmem:50 pagetables:675 bounce:0 [ 65.123587] free:1469791 free_pcp:446 free_cma:0 [ 65.123606] Node 0 active_anon:235856kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95456kB dirty:384kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 65.123624] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 65.123652] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 65.123682] Normal free:2883312kB min:36824kB low:46028kB high:55232kB active_anon:235856kB inactive_anon:172kB active_file:13964kB inactive_file:34800kB unevictable:0kB writepending:384kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27272kB slab_unreclaimable:235708kB kernel_stack:6048kB pagetables:2700kB bounce:0kB free_pcp:1012kB local_pcp:420kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 65.123731] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 2*4kB (UM) 3*8kB (UM) 101*16kB (UME) 104*32kB (UME) 183*64kB (UME) 25*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 695*4096kB (M) = 2883248kB [ 65.123825] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 65.123827] 12240 total pagecache pages [ 65.123830] 0 pages in swap cache [ 65.123833] Swap cache stats: add 0, delete 0, find 0/0 [ 65.123836] Free swap = 0kB [ 65.123837] Total swap = 0kB [ 65.123840] 1965969 pages RAM [ 65.123842] 0 pages HighMem/MovableOnly [ 65.123844] 320510 pages reserved [ 65.147858] FAULT_FLAG_ALLOW_RETRY missing 30 [ 65.147868] CPU: 1 PID: 8958 Comm: syz-executor1 Not tainted 4.9.86-gb324a70 #58 [ 65.147873] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.147889] ffff8801bfe9f8a0 ffffffff81d956f9 ffff8801bfe9fb80 0000000000000000 [ 65.147902] ffff8801bbce2890 ffff8801bfe9fa70 ffff8801bbce2780 ffff8801bfe9fa98 [ 65.147915] ffffffff8166271a 0000000000002a2e ffff8801bfdfa0f0 ffff8801bfdfa0a0 [ 65.147917] Call Trace: [ 65.147931] [] dump_stack+0xc1/0x128 [ 65.147946] [] handle_userfault+0xa3a/0x1310 [ 65.147958] [] ? debug_check_no_locks_freed+0x2c0/0x2c0 [ 65.147967] [] ? userfaultfd_ioctl+0x24e0/0x24e0 [ 65.147976] [] ? handle_mm_fault+0x10d1/0x2470 [ 65.147984] [] ? handle_mm_fault+0x1e82/0x2470 [ 65.147992] [] handle_mm_fault+0x1e90/0x2470 [ 65.148000] [] ? __pmd_alloc+0x410/0x410 [ 65.148009] [] ? get_futex_key+0x1050/0x1050 [ 65.148020] [] __do_page_fault+0x5c2/0xd40 [ 65.148029] [] ? mm_fault_error+0x2c0/0x2c0 [ 65.148038] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.148046] [] do_page_fault+0x27/0x30 [ 65.148056] [] page_fault+0x28/0x30 [ 65.148065] [] ? copy_user_generic_unrolled+0x86/0xc0 [ 65.148074] [] ? compat_SyS_sigaltstack+0xec/0x4e0 [ 65.148083] [] ? __save_altstack+0x1d0/0x1d0 [ 65.148093] [] ? compat_SyS_get_robust_list+0x300/0x300 [ 65.148101] [] ? do_fast_syscall_32+0xcf/0x870 [ 65.148107] [] ? __save_altstack+0x1d0/0x1d0 [ 65.148115] [] do_fast_syscall_32+0x2f5/0x870 [ 65.148122] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 65.148130] [] entry_SYSENTER_compat+0x90/0xa2 [ 65.203799] SELinux: policydb magic number 0x2472fec5 does not match expected magic number 0xf97cff8c [ 65.206266] SELinux: policydb magic number 0x2472fec5 does not match expected magic number 0xf97cff8c 2018/03/07 14:40:41 executing program 1: r0 = socket$inet_icmp(0x2, 0x2, 0x1) fcntl$F_GET_FILE_RW_HINT(r0, 0x40d, &(0x7f0000000240)) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rfkill\x00', 0x10000, 0x0) ioctl$TIOCGPGRP(r1, 0x540f, &(0x7f0000000200)) r2 = socket$inet(0x2, 0x2, 0x0) socket$inet_sctp(0x2, 0x7, 0x84) setsockopt$inet_opts(r2, 0x0, 0x4, &(0x7f0000000000)="8607fbeb975628c3c68c0a949be0a0dded8feb5c4da1507a47e574bc14c25412396b98f496b355e860c64e0401d6ef3e68a3f357cac4dbcfabfc46e7e7340a7c6841ec29a830bce46ee80b61f146a0b8940af0ac24ab7b61a4a8ecc51e42252df6c0b68d4b2cffc2b64047fde76e23a0d7b61b988d58b8477a9099000000000000000000000000000000000000000000000000000000000000", 0x99) pkey_alloc(0x0, 0x1) r3 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/checkreqprot\x00', 0x80, 0x0) getsockopt$bt_BT_SNDMTU(r3, 0x112, 0xc, &(0x7f0000000280)=0x36a9, &(0x7f00000002c0)=0x2) ioctl$EVIOCGSND(r3, 0x8040451a, &(0x7f0000000140)=""/68) socket$inet_udp(0x2, 0x2, 0x0) ioctl$RNDADDTOENTCNT(r2, 0x40045201, &(0x7f00000000c0)=0x157) 2018/03/07 14:40:41 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x480, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000000140)={0x0, 0x6, 0x401, 0x9}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp6_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f00000001c0)={r2, 0x5, 0xffffffffc1b0b4bb}, 0x10) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2=0xe0000002, @loopback=0x7f000001}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)=ANY=[@ANYBLOB="e00000027f0000df0000000002000000e0000001e0000002ef157e88906c745e60baa5367077bfa961ce162a4e3108e28d98184aeae18736de8c9e529d14c4e46db0ce5a4be3158e304445a36cfdea71d21aea1eb4443aa0cd6b248d58ce7b19f761dd0b86c406297e7497a13c0e00342a89fde61cd32421ae"], 0x1) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r3, 0x0, 0x27, &(0x7f0000033000)={@multicast2=0xe0000002, @loopback=0x7f000001, @rand_addr}, 0xc) 2018/03/07 14:40:41 executing program 4: mmap(&(0x7f0000000000/0xff7000)=nil, 0xff7000, 0x1, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xf50000)=nil, 0xf50000, 0x0, 0x32, 0xffffffffffffffff, 0x0) r0 = accept4$bt_l2cap(0xffffffffffffff9c, 0x0, &(0x7f0000000040), 0x80800) setsockopt$bt_l2cap_L2CAP_OPTIONS(r0, 0x6, 0x1, &(0x7f0000000080)={0x9, 0x40, 0xffffffffdf59708e, 0xfffffffffffffffe, 0x0, 0x0, 0x4d}, 0xc) pselect6(0x40, &(0x7f0000a47000), &(0x7f0000000000), &(0x7f0000fe6fc0), &(0x7f0000fe6ff8), &(0x7f0000fe6ffa)={&(0x7f0000c27000), 0x8}) 2018/03/07 14:40:41 executing program 7: seccomp(0x1, 0x0, &(0x7f0000a82ff9)={0x2, &(0x7f00000d7fc8)=[{0x50}, {0x6}]}) r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$sock_inet6_tcp_SIOCOUTQ(r0, 0x5411, &(0x7f0000000240)) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x400100, 0x0) getsockopt$inet_sctp_SCTP_RECVNXTINFO(r1, 0x84, 0x21, &(0x7f0000000040), &(0x7f0000000080)=0x4) fstat(r1, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) ioprio_get$uid(0x3, r2) lstat(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchown(r1, r2, r3) ioctl$LOOP_SET_FD(r1, 0x4c00, r1) openat$dir(0xffffffffffffff9c, &(0x7f0000000280)='./file0\x00', 0x400000, 0x90) 2018/03/07 14:40:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'lo\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, r1, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:41 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) getsockopt$EBT_SO_GET_INFO(r0, 0x0, 0x80, &(0x7f0000000000)={'nat\x00'}, &(0x7f0000000080)=0x50) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0xffffffffffffff2b) 2018/03/07 14:40:41 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) r2 = add_key$keyring(&(0x7f00000002c0)='keyring\x00', &(0x7f0000000300)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffffa) request_key(&(0x7f0000000180)='dns_resolver\x00', &(0x7f0000000200)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000280)='/selinux/commit_pending_bools\x00', r2) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:41 executing program 0: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000002c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:41 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) [ 65.241563] audit: type=1400 audit(1520433638.727:31): avc: denied { bind } for pid=9010 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 68.056620] warn_alloc: 3 callbacks suppressed [ 68.056624] syz-executor2: vmalloc: allocation failure: 0 bytes[ 68.068261] lo: FDB only supports static addresses 2018/03/07 14:40:41 executing program 4: r0 = gettid() r1 = signalfd4(0xffffffffffffffff, &(0x7f0000006000)={0x9}, 0x8, 0x0) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f000005b000)={0x20000005}) timer_create(0x0, &(0x7f0000344000)={0x0, 0x4, 0x4, @tid=r0}, &(0x7f0000cb2ffc)) rt_sigprocmask(0x2, &(0x7f0000479000)={0xfffffffffffffffe}, 0x0, 0x1be) clock_gettime(0x0, &(0x7f000005b000)={0x0, 0x0}) timer_settime(0x0, 0xfffffffffffffffd, &(0x7f000005bfe0)={{}, {0x0, r3+10000000}}, &(0x7f0000046000)) r4 = memfd_create(&(0x7f0000000000)='.nodev\x00', 0x1) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r4, 0x28, 0x1, &(0x7f0000000040)=0x7fff, 0x8) ppoll(&(0x7f000004efc0)=[{r1, 0x1301}, {r2}], 0x2, &(0x7f000005bd56), &(0x7f000005b000), 0x8) 2018/03/07 14:40:41 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) socketpair(0x1b, 0x80001, 0x5, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r1, 0xc08c5332, &(0x7f0000000040)={0xee, 0x9, 0x5, 'queue1\x00', 0x80}) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:41 executing program 4: fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000000)={0x0, 0x0}) getpgid(r0) r1 = getpgid(0x0) r2 = accept4(0xffffffffffffff9c, 0x0, &(0x7f00000000c0), 0x80000) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x5, 0x30}, &(0x7f0000000140)=0xc) setsockopt$inet_sctp6_SCTP_RTOINFO(r2, 0x84, 0x0, &(0x7f0000000180)={r3, 0x7f, 0x7fffffff, 0x10001}, 0x10) ioprio_set$pid(0x1, r1, 0x40000000004001) ptrace$getregset(0x4204, r0, 0x6, &(0x7f0000000080)={&(0x7f0000000040)=""/52, 0x34}) getsockopt$EBT_SO_GET_INIT_ENTRIES(r2, 0x0, 0x83, &(0x7f0000001200)={'filter\x00', 0x0, 0x4, 0x1000, [], 0x2, &(0x7f00000001c0)=[{}, {}], &(0x7f0000000200)=""/4096}, &(0x7f0000001280)=0x50) ioprio_get$pid(0x2, 0x0) r4 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f00000012c0)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$EVIOCSREP(r4, 0x40084503, &(0x7f0000001300)=[0x0, 0x9]) 2018/03/07 14:40:41 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x480, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000000140)={0x0, 0x6, 0x401, 0x9}, &(0x7f0000000180)=0x10) setsockopt$inet_sctp6_SCTP_RTOINFO(r1, 0x84, 0x0, &(0x7f00000001c0)={r2, 0x5, 0xffffffffc1b0b4bb}, 0x10) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000000)={@multicast2=0xe0000002, @loopback=0x7f000001}, 0xc) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000040)=ANY=[@ANYBLOB="e00000027f0000df0000000002000000e0000001e0000002ef157e88906c745e60baa5367077bfa961ce162a4e3108e28d98184aeae18736de8c9e529d14c4e46db0ce5a4be3158e304445a36cfdea71d21aea1eb4443aa0cd6b248d58ce7b19f761dd0b86c406297e7497a13c0e00342a89fde61cd32421ae"], 0x1) r3 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$inet_mreqsrc(r3, 0x0, 0x27, &(0x7f0000033000)={@multicast2=0xe0000002, @loopback=0x7f000001, @rand_addr}, 0xc) 2018/03/07 14:40:41 executing program 4: r0 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f00000000c0)={{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, {0x2, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x200000002, {0x2, 0x4e20, @broadcast=0xffffffff}, 'lo\x00'}) r1 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffa) add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, r1) [ 68.079323] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 68.085218] CPU: 0 PID: 9026 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 68.092747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.094915] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 68.107530] ffff8801b6df78a8 ffffffff81d956f9 1ffff10036dbef18 ffff8801b50dc800 [ 68.115567] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b6df79b8 [ 68.123603] ffffffff81451c92 024000c2b6df78f8 0000000041b58ab3 ffffffff84195b35 2018/03/07 14:40:41 executing program 6: r0 = socket$inet_tcp(0x2, 0x1, 0x0) syz_extract_tcp_res(&(0x7f0000000000), 0x20, 0xfff) setsockopt(r0, 0xffffffffffff8927, 0x14, &(0x7f0000e64ff7)="d7fdaf6207017989", 0x8) 2018/03/07 14:40:41 executing program 4: r0 = socket$inet(0x2, 0xa, 0x3) ioctl$int_in(r0, 0x5452, &(0x7f00002b0ff8)=0x7) bind$inet(r0, &(0x7f0000312000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) pipe(&(0x7f00000001c0)) setsockopt$sock_int(r0, 0x1, 0x7, &(0x7f000048c000), 0x4) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$SO_VM_SOCKETS_BUFFER_MIN_SIZE(r1, 0x28, 0x1, &(0x7f0000000100)=0xfff, 0x8) ioctl$sock_inet_SIOCADDRT(r0, 0x890b, &(0x7f0000000140)={0x7ff, {0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x10}}, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x2, 0x4e21, @loopback=0x7f000001}, 0x44, 0x7ff, 0x7, 0x5, 0x5, 0x0, 0x1, 0x7, 0x1}) ioctl$sock_proto_private(r1, 0x89e3, &(0x7f0000000040)="44cd31490a49e1ba") sendto$inet(r0, &(0x7f0000fd0000), 0x1d8, 0x800000020000801, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) setsockopt$sock_timeval(r0, 0x1, 0x0, &(0x7f0000000000), 0x8) [ 68.131638] Call Trace: [ 68.134218] [] dump_stack+0xc1/0x128 [ 68.139575] [] warn_alloc+0x212/0x240 [ 68.145016] [] ? zone_watermark_ok_safe+0x280/0x280 [ 68.151675] [] ? avc_has_perm+0xb0/0x4f0 [ 68.157379] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 68.163867] [] __vmalloc_node_range+0x3f5/0x5f0 [ 68.170174] [] ? check_preemption_disabled+0x3b/0x200 [ 68.176998] [] ? task_has_security+0x130/0x270 [ 68.183220] [] vmalloc+0x5b/0x70 [ 68.188221] [] ? sel_write_load+0x130/0xfd0 [ 68.194173] [] sel_write_load+0x130/0xfd0 [ 68.199944] [] ? sel_read_bool+0x250/0x250 [ 68.205800] [] ? sel_read_bool+0x250/0x250 [ 68.211655] [] __vfs_write+0x103/0x680 [ 68.217161] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 68.223629] [] ? __might_sleep+0x95/0x1a0 [ 68.229405] [] ? __lock_is_held+0xa1/0xf0 [ 68.235177] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 68.241988] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 68.248535] [] ? __sb_start_write+0x14a/0x310 [ 68.254650] [] vfs_write+0x189/0x530 [ 68.259988] [] SyS_pwrite64+0x13f/0x170 [ 68.265591] [] ? SyS_pread64+0x170/0x170 [ 68.271274] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 68.277386] [] sys32_pwrite+0x39/0x50 [ 68.282805] [] ? sys32_pread+0x50/0x50 [ 68.288314] [] do_fast_syscall_32+0x2f5/0x870 [ 68.294437] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.301073] [] entry_SYSENTER_compat+0x90/0xa2 [ 68.311292] Mem-Info: [ 68.313720] active_anon:56359 inactive_anon:43 isolated_anon:0 [ 68.313720] active_file:3493 inactive_file:8744 isolated_file:0 [ 68.313720] unevictable:0 dirty:154 writeback:0 unstable:0 [ 68.313720] slab_reclaimable:6864 slab_unreclaimable:59082 [ 68.313720] mapped:23841 shmem:50 pagetables:649 bounce:0 [ 68.313720] free:1472817 free_pcp:389 free_cma:0 [ 68.347285] Node 0 active_anon:219128kB inactive_anon:172kB active_file:13972kB inactive_file:35020kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95292kB dirty:612kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 68.376673] 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 [ 68.406338] lowmem_reserve[]: 0 2908 6410 6410 [ 68.411582] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 68.442539] lowmem_reserve[]: 0 0 3501 3501 [ 68.447484] Normal free:2902296kB min:36824kB low:46028kB high:55232kB active_anon:219116kB inactive_anon:172kB active_file:13972kB inactive_file:35020kB unevictable:0kB writepending:616kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27520kB slab_unreclaimable:236176kB kernel_stack:5440kB pagetables:2480kB bounce:0kB free_pcp:980kB local_pcp:272kB free_cma:0kB [ 68.481248] lowmem_reserve[]: 0 0 0 0 [ 68.485624] 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 [ 68.501338] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 68.518552] Normal: 78*4kB (UME) 16*8kB (UME) 94*16kB (UM) 105*32kB (UME) 186*64kB (UME) 26*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 698*4096kB (M) = 2902328kB [ 68.538027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 68.546578] 12299 total pagecache pages [ 68.550691] 0 pages in swap cache [ 68.554123] Swap cache stats: add 0, delete 0, find 0/0 [ 68.559480] Free swap = 0kB [ 68.562475] Total swap = 0kB [ 68.565462] 1965969 pages RAM [ 68.568558] 0 pages HighMem/MovableOnly [ 68.572507] 320510 pages reserved [ 68.575963] syz-executor0: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 68.585916] CPU: 1 PID: 9030 Comm: syz-executor0 Not tainted 4.9.86-gb324a70 #58 [ 68.593415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.602741] ffff8801b5b478a8 ffffffff81d956f9 1ffff10036b68f18 ffff8801b5011800 [ 68.610716] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b5b479b8 [ 68.618696] ffffffff81451c92 024000c2b5b478f8 0000000041b58ab3 ffffffff84195b35 [ 68.626659] Call Trace: [ 68.629216] [] dump_stack+0xc1/0x128 [ 68.634549] [] warn_alloc+0x212/0x240 [ 68.639968] [] ? zone_watermark_ok_safe+0x280/0x280 [ 68.646610] [] ? avc_has_perm+0xb0/0x4f0 [ 68.652291] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 68.658755] [] __vmalloc_node_range+0x3f5/0x5f0 [ 68.665042] [] ? check_preemption_disabled+0x3b/0x200 [ 68.671851] [] ? task_has_security+0x130/0x270 [ 68.678053] [] vmalloc+0x5b/0x70 [ 68.683035] [] ? sel_write_load+0x130/0xfd0 [ 68.688975] [] sel_write_load+0x130/0xfd0 [ 68.694741] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 68.701634] [] ? futex_wake+0x146/0x440 [ 68.707224] [] ? sel_read_bool+0x250/0x250 [ 68.713075] [] ? sel_read_bool+0x250/0x250 [ 68.718927] [] __vfs_write+0x103/0x680 [ 68.724432] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 68.730894] [] ? __might_sleep+0x95/0x1a0 [ 68.736660] [] ? __lock_is_held+0xa1/0xf0 [ 68.742428] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 68.749237] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 68.755809] [] ? __sb_start_write+0x14a/0x310 [ 68.761923] [] vfs_write+0x189/0x530 [ 68.767254] [] SyS_pwrite64+0x13f/0x170 [ 68.772848] [] ? SyS_pread64+0x170/0x170 [ 68.778529] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 68.784642] [] sys32_pwrite+0x39/0x50 [ 68.790058] [] ? sys32_pread+0x50/0x50 [ 68.795563] [] do_fast_syscall_32+0x2f5/0x870 [ 68.801678] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.808319] [] entry_SYSENTER_compat+0x90/0xa2 [ 68.814879] Mem-Info: [ 68.817351] active_anon:54779 inactive_anon:43 isolated_anon:0 [ 68.817351] active_file:3493 inactive_file:8755 isolated_file:0 [ 68.817351] unevictable:0 dirty:159 writeback:0 unstable:0 [ 68.817351] slab_reclaimable:6881 slab_unreclaimable:59050 [ 68.817351] mapped:23814 shmem:50 pagetables:620 bounce:0 [ 68.817351] free:1474549 free_pcp:429 free_cma:0 [ 68.850605] Node 0 active_anon:219116kB inactive_anon:172kB active_file:13972kB inactive_file:35020kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95256kB dirty:636kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 81920kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 68.879948] 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 [ 68.909285] lowmem_reserve[]: 0 2908 6410 6410 [ 68.914459] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 68.945496] lowmem_reserve[]: 0 0 3501 3501 [ 68.950432] Normal free:2902344kB min:36824kB low:46028kB high:55232kB active_anon:219116kB inactive_anon:172kB active_file:13972kB inactive_file:35020kB unevictable:0kB writepending:636kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27528kB slab_unreclaimable:236204kB kernel_stack:5408kB pagetables:2480kB bounce:0kB free_pcp:936kB local_pcp:688kB free_cma:0kB [ 68.984165] lowmem_reserve[]: 0 0 0 0 [ 68.988553] 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 [ 69.003810] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 69.021031] Normal: 78*4kB (UME) 16*8kB (UME) 93*16kB (M) 106*32kB (UME) 186*64kB (UME) 26*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 698*4096kB (M) = 2902344kB [ 69.040425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 69.049183] 12304 total pagecache pages [ 69.053135] 0 pages in swap cache [ 69.056554] Swap cache stats: add 0, delete 0, find 0/0 [ 69.061910] Free swap = 0kB [ 69.064902] Total swap = 0kB [ 69.067914] 1965969 pages RAM [ 69.070995] 0 pages HighMem/MovableOnly [ 69.074936] 320510 pages reserved [ 69.078410] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 69.089692] CPU: 1 PID: 9040 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 69.097209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.106540] ffff8801b6f9f8a8 ffffffff81d956f9 1ffff10036df3f18 ffff8801b5ab3000 [ 69.114511] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b6f9f9b8 [ 69.122480] ffffffff81451c92 024000c2b6f9f8f8 0000000041b58ab3 ffffffff84195b35 [ 69.130441] Call Trace: [ 69.133001] [] dump_stack+0xc1/0x128 [ 69.138336] [] warn_alloc+0x212/0x240 [ 69.143755] [] ? zone_watermark_ok_safe+0x280/0x280 [ 69.150390] [] ? avc_has_perm+0xb0/0x4f0 [ 69.156068] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 69.162530] [] __vmalloc_node_range+0x3f5/0x5f0 [ 69.168817] [] ? check_preemption_disabled+0x3b/0x200 [ 69.175623] [] ? task_has_security+0x130/0x270 [ 69.181830] [] vmalloc+0x5b/0x70 [ 69.186820] [] ? sel_write_load+0x130/0xfd0 [ 69.192766] [] sel_write_load+0x130/0xfd0 [ 69.198530] [] ? sel_read_bool+0x250/0x250 [ 69.204385] [] ? sel_read_bool+0x250/0x250 [ 69.210240] [] __vfs_write+0x103/0x680 [ 69.215746] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 69.222210] [] ? __might_sleep+0x95/0x1a0 [ 69.227976] [] ? __lock_is_held+0xa1/0xf0 [ 69.233741] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 69.240547] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 69.247094] [] ? __sb_start_write+0x14a/0x310 [ 69.253208] [] vfs_write+0x189/0x530 [ 69.258540] [] SyS_pwrite64+0x13f/0x170 [ 69.264132] [] ? SyS_pread64+0x170/0x170 [ 69.269817] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 69.276365] [] sys32_pwrite+0x39/0x50 [ 69.281787] [] ? sys32_pread+0x50/0x50 [ 69.287292] [] do_fast_syscall_32+0x2f5/0x870 [ 69.293402] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.300035] [] entry_SYSENTER_compat+0x90/0xa2 [ 69.307136] Mem-Info: [ 69.309570] active_anon:53738 inactive_anon:43 isolated_anon:0 [ 69.309570] active_file:3493 inactive_file:8758 isolated_file:0 [ 69.309570] unevictable:0 dirty:164 writeback:0 unstable:0 [ 69.309570] slab_reclaimable:6884 slab_unreclaimable:59054 [ 69.309570] mapped:23803 shmem:50 pagetables:608 bounce:0 [ 69.309570] free:1475614 free_pcp:422 free_cma:0 [ 69.342827] Node 0 active_anon:214952kB inactive_anon:172kB active_file:13972kB inactive_file:35032kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:656kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 69.372249] 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 [ 69.401668] lowmem_reserve[]: 0 2908 6410 6410 [ 69.407012] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 69.438174] lowmem_reserve[]: 0 0 3501 3501 [ 69.443101] Normal free:2906620kB min:36824kB low:46028kB high:55232kB active_anon:214952kB inactive_anon:172kB active_file:13972kB inactive_file:35032kB unevictable:0kB writepending:660kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27536kB slab_unreclaimable:236232kB kernel_stack:5376kB pagetables:2432kB bounce:0kB free_pcp:912kB local_pcp:708kB free_cma:0kB [ 69.476856] lowmem_reserve[]: 0 0 0 0 [ 69.481224] 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 [ 69.496504] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 69.513708] Normal: 97*4kB (UME) 17*8kB (UM) 95*16kB (UME) 108*32kB (UME) 186*64kB (UME) 26*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 6*2048kB (UM) 698*4096kB (M) = 2906620kB 2018/03/07 14:40:43 executing program 1: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control\x00', 0x0, 0x0) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce\x00', 0x200, 0x0) ioctl$KDGKBDIACR(r1, 0x4b4a, &(0x7f0000000140)=""/12) r2 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/checkreqprot\x00', 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c81, 0x0) sendto$unix(r2, &(0x7f0000000040)="bef4141a9fc7fcd7a31a2193652519", 0xf, 0x8004, 0x0, 0x0) ioctl$TIOCGPGRP(r2, 0x540f, &(0x7f0000000000)) ioctl$LOOP_CTL_REMOVE(r0, 0x4c80, 0x0) 2018/03/07 14:40:43 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000001800)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f00000017c0)={&(0x7f0000000140)=ANY=[@ANYBLOB="4000000015000100000000004b90a9c1adac941b5afc91f40e8fc6000000000a000000", @ANYRES32=0x0, @ANYBLOB="14000200ff01000000000000000000000000000114000100ff0100000000000000000000000000016e49cc5d5fbdcb84d12bbce539db4213b2ae9683332b89f785fbeb86f06880ec8c929529c5d5a2a9a0795df6582450a36a653de3df078c48ec523ec463d18f33e679381a054f044995e391e8875b9fb20678251dd1493cbfc0053144eb7874de83f976936e01937b92fe5f7c6e83e67ece7abdcd03fba5eee78d3e7e03e4d8c4ff1c5de32dd9a5b7"], 0x40}, 0x1}, 0x0) 2018/03/07 14:40:43 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$TIOCGSOFTCAR(r2, 0x5419, &(0x7f0000000180)) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:43 executing program 0: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000002c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:43 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000ae1000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a45320, &(0x7f000045df58)={{0x80}, "706f7274310000004000000000000000000000d600fffffff0000000000000000000eda4000000000000000700", 0xbfffffffffffffff, 0x2}) r1 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r1, 0xc04064a0, &(0x7f00000002c0)={&(0x7f00000000c0)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000140)=[0x0, 0x0], &(0x7f0000000240)=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], &(0x7f0000000280)=[0x0], 0x6, 0x2, 0x8, 0x1}) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) ppoll(&(0x7f0000000000)=[{r0}], 0x1, &(0x7f0000000040), &(0x7f0000000180), 0x8) ioctl$RNDADDENTROPY(r2, 0x40085203, &(0x7f00000001c0)={0x8000, 0x44, "a28d483957d5bbcb8acabcb239e2bdbef308fbf8d300f35e70b109a4b53132bca4947ae2a8b78afb7b6161d3c537b5be7a5ba6ae4eba55ec3c32006281e314f5397cb87a"}) 2018/03/07 14:40:43 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) r1 = accept4(r0, 0x0, &(0x7f0000000000), 0x80000) sendmsg$nl_netfilter(r1, &(0x7f00000000c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x2800040}, 0xc, &(0x7f0000000080)={&(0x7f0000000400)={0x1300, 0x12, 0x7, 0x60c, 0x70bd2c, 0x25dfdbfd, {0x7, 0x0, 0x9}, [@nested={0x1104, 0x20, [@generic="b5a26458d360cbf7c5ae237793b395b6c5be219560", @generic="20278d83efa84fe5acdf2b3c5ab9373d9e2e7286165baff58c472eb52236a33da6ff96", @generic="e3fc7992bf0a428105d67e78fbec403c3bf1155c79f0294201bb1b2b44633a267d0a39f5919c396b2608546bfd49479e98ba91fbcea7d3fc12faaba285984c59c49d26a0fc7d21fe79a85e972633719f316ea5d23ae33845db46369b9d7b21f1abdaa307989d076f74330c9dffc38e2265041fc877be1cd7e15b5472ba27b74867f942a6691f425c855e5c37a018de78247a5aa111d0824c4cee390fd490fe08dbff8bee11", @typed={0xc, 0x21, @u32=0x8}, @typed={0x8, 0x7b}, @generic="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", @typed={0xc, 0x7d, @u32=0x5}]}, @typed={0xc, 0x47, @ipv4=@multicast2=0xe0000002}, @nested={0x60, 0x11, [@generic="b00753704c4c3b0c99", @generic="ebf0df360f9bac0345728bf2849ac3efec0562be6b1fd8c8c52bf9474763219834c47ba904bbfd50224a5234683f78e9e5a0ae9258d94b61f24c219e4541daba2ae4f6309eb3265f4a42f0a952175cb1a371d5"]}, @nested={0x10, 0x1, [@typed={0xc, 0x21, @ipv4=@dev={0xac, 0x14, 0x14, 0xe}}]}, @nested={0x160, 0x91, [@typed={0x10, 0x2c, @u64=0x4}, @generic="1947bc7a2ff397165fe31eeee5a94a3ec2a6f23163adbb23f2bf84fcd623be361b5c695b6257f83b305eb18078d25dd48a3ded86775c70aed6b8e489a38da2094f43765484b57d97723ee5363a0e842e4267824764f45569632226207c7e24b72b76aeaaf2c4adfd3987b6514c985921371bc41ae829a271590d3792befd6f219c730f9e784e3d72be0c18c708b7ee8ce51e0aaa09b68a459c1d826f59137133cb3634b32d4cb6f4cbde4ed776411451f35d52c4ed1f30c9be53fcc87520b3cbb229c12bd2aed9cf3a328f70eaf950c30a1def4f882df3a865cfa02dfe5634ca7efaa4c056c37b3767528f", @generic="f65c114a86fc1f117d8240cdf467d009673b5e9042e47f68824cf96d5793c8ff5b281829d815d6db92bc1b57799e0dabba95a2d191e8838080d8c388c101dabf3259cdfd66a9447d9859ffbf17bbdbe7b1d59f4c829594a66efb8ac871ef40"]}, @typed={0xc, 0x91, @str='#]P\x00'}]}, 0x1300}, 0x1, 0x0, 0x0, 0x40}, 0x20000004) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:43 executing program 5: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:43 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000a56000)=0x5, 0xfffffe22) lremovexattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=@random={'user.', '\x00'}) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000000)) listen(r0, 0x0) shutdown(r0, 0x0) ppoll(&(0x7f00000ce000)=[{r0}], 0x1, &(0x7f00006ab000), &(0x7f0000ee0ff8), 0x8) 2018/03/07 14:40:43 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000001c0)={'syz_tun\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="0a0000000000000000000000000000000000000000000000000000000000000000ff000000000000000000003003771e615e88801fc39cd2112a77530965051e39c7eace2e8b98cbd820eb6d0cf59a2b7a38e1cff224b3bd0ea0150f78dbaa5f28ecb153857c0615a59abb9d8578951ef5d829a4b1d8e403de38b5da16f2ccc6c15dd474db2ae786ec7f8054869669c443206f57a445bfee6d3eff8739854feb0e7217d626929932aeacafd111249c3d87c0e18b96b53a0aab7e1e60c173c0b6e3e3715f"]}) [ 69.533320] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 69.541890] 12309 total pagecache pages [ 69.545841] 0 pages in swap cache [ 69.549288] Swap cache stats: add 0, delete 0, find 0/0 [ 69.554625] Free swap = 0kB [ 69.557632] Total swap = 0kB [ 69.560624] 1965969 pages RAM [ 69.563693] 0 pages HighMem/MovableOnly [ 69.567656] 320510 pages reserved 2018/03/07 14:40:43 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:43 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e22, @multicast1=0xe0000001}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:43 executing program 7: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f0000a56000)=0x5, 0xfffffe22) lremovexattr(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=@random={'user.', '\x00'}) ioctl$sock_inet_tcp_SIOCOUTQNSD(r1, 0x894b, &(0x7f0000000000)) listen(r0, 0x0) shutdown(r0, 0x0) ppoll(&(0x7f00000ce000)=[{r0}], 0x1, &(0x7f00006ab000), &(0x7f0000ee0ff8), 0x8) 2018/03/07 14:40:43 executing program 7: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000000)='net/connector\x00') ioctl$TIOCGPTPEER(r1, 0x5441, 0xffffffffffff37ca) write(r1, &(0x7f0000000040)="d522ba886f7c565403d7af10dda76565b29b", 0x12) [ 69.582072] syz-executor0: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 69.611066] CPU: 0 PID: 9081 Comm: syz-executor0 Not tainted 4.9.86-gb324a70 #58 [ 69.618617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.627966] ffff8801b6df78a8 ffffffff81d956f9 1ffff10036dbef18 ffff8801b5918000 2018/03/07 14:40:43 executing program 7: r0 = socket$inet(0x2, 0x400000000000800, 0xaf2b) bind$inet(r0, &(0x7f00000f0ff0)={0x2, 0x4e23, @multicast2=0xe0000002}, 0x10) connect$inet(r0, &(0x7f0000987000)={0x2, 0x4e23, @empty}, 0x10) getsockopt$sock_buf(r0, 0x1, 0x1c, &(0x7f0000000000), &(0x7f0000000040)) 2018/03/07 14:40:43 executing program 7: r0 = syz_open_dev$sg(&(0x7f0000b7aff7)='/dev/sg#\x00', 0x0, 0x0) ioctl$EVIOCSABS0(0xffffffffffffffff, 0x401845c0, &(0x7f0000007000)={0x0, 0x0, 0x2323, 0x0, 0x0, 0x8020000020}) flock(r0, 0x4) ioctl$PIO_CMAP(0xffffffffffffffff, 0x4b71, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x2}) ioctl(r0, 0x2285, &(0x7f0000007000)='S') 2018/03/07 14:40:43 executing program 6: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/policy\x00', 0x0, 0x0) getsockopt$ax25_int(r0, 0x101, 0x2, &(0x7f00000000c0), &(0x7f0000000100)=0x4) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f000055dff6)='/dev/ptmx\x00', 0x40101, 0x0) write(r1, &(0x7f000022a000)="2f7f4be2b36c5526a5534195cbffffffffffff091715f1ed8f549f29496490f3f2afa9fd016f97ea68e0b7400fd558010287ce86ed8d843591ec4c782f85000000097f39147a2c89310932b0f6017ef5f00dfc01000000000000ffbf13", 0x5d) ioctl$TCSETA(r1, 0x5402, &(0x7f0000948fec)={0x4008, 0x0, 0xfb01, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff}) socketpair(0xa, 0x3, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$ASHMEM_SET_NAME(r2, 0x41007701, &(0x7f0000000040)='/dev/ptmx\x00') [ 69.636006] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b6df79b8 [ 69.644044] ffffffff81451c92 024000c2b6df78f8 0000000041b58ab3 ffffffff84195b35 [ 69.652077] Call Trace: [ 69.654659] [] dump_stack+0xc1/0x128 [ 69.660023] [] warn_alloc+0x212/0x240 [ 69.666074] [] ? zone_watermark_ok_safe+0x280/0x280 [ 69.672728] [] ? avc_has_perm+0xb0/0x4f0 [ 69.678429] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 69.684900] [] __vmalloc_node_range+0x3f5/0x5f0 [ 69.691195] [] ? check_preemption_disabled+0x3b/0x200 [ 69.698010] [] ? task_has_security+0x130/0x270 [ 69.704230] [] vmalloc+0x5b/0x70 [ 69.709232] [] ? sel_write_load+0x130/0xfd0 [ 69.715191] [] sel_write_load+0x130/0xfd0 [ 69.720965] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 69.727867] [] ? futex_wake+0x146/0x440 [ 69.733465] [] ? sel_read_bool+0x250/0x250 [ 69.739323] [] ? sel_read_bool+0x250/0x250 [ 69.745187] [] __vfs_write+0x103/0x680 [ 69.750715] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 69.757198] [] ? __might_sleep+0x95/0x1a0 [ 69.762974] [] ? __lock_is_held+0xa1/0xf0 [ 69.768748] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 69.775559] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 69.782110] [] ? __sb_start_write+0x14a/0x310 [ 69.788225] [] vfs_write+0x189/0x530 [ 69.793558] [] SyS_pwrite64+0x13f/0x170 [ 69.799167] [] ? SyS_pread64+0x170/0x170 [ 69.804850] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 69.810968] [] sys32_pwrite+0x39/0x50 [ 69.816386] [] ? sys32_pread+0x50/0x50 [ 69.821894] [] do_fast_syscall_32+0x2f5/0x870 [ 69.828008] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.834644] [] entry_SYSENTER_compat+0x90/0xa2 [ 69.843936] Mem-Info: [ 69.846431] active_anon:57421 inactive_anon:42 isolated_anon:0 [ 69.846431] active_file:3493 inactive_file:8768 isolated_file:0 [ 69.846431] unevictable:0 dirty:170 writeback:0 unstable:0 [ 69.846431] slab_reclaimable:6848 slab_unreclaimable:59116 [ 69.846431] mapped:23877 shmem:50 pagetables:656 bounce:0 [ 69.846431] free:1471802 free_pcp:357 free_cma:0 [ 69.881547] Node 0 active_anon:229684kB inactive_anon:168kB active_file:13972kB inactive_file:35072kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95508kB dirty:684kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 69.910934] 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 [ 69.940279] lowmem_reserve[]: 0 2908 6410 6410 [ 69.945458] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 69.976347] lowmem_reserve[]: 0 0 3501 3501 [ 69.981290] Normal free:2893892kB min:36824kB low:46028kB high:55232kB active_anon:227460kB inactive_anon:172kB active_file:13972kB inactive_file:35088kB unevictable:0kB writepending:688kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27404kB slab_unreclaimable:236160kB kernel_stack:5504kB pagetables:2540kB bounce:0kB free_pcp:984kB local_pcp:560kB free_cma:0kB [ 70.015323] lowmem_reserve[]: 0 0 0 0 [ 70.019741] 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 [ 70.035046] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 70.052290] Normal: 33*4kB (UM) 7*8kB (UM) 95*16kB (UME) 106*32kB (UME) 189*64kB (UME) 26*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 697*4096kB (M) = 2894124kB [ 70.071593] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 70.080163] 12315 total pagecache pages [ 70.084123] 0 pages in swap cache [ 70.087573] Swap cache stats: add 0, delete 0, find 0/0 [ 70.092918] Free swap = 0kB [ 70.095909] Total swap = 0kB [ 70.098923] 1965969 pages RAM [ 70.102006] 0 pages HighMem/MovableOnly [ 70.105948] 320510 pages reserved [ 70.109506] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 70.121575] CPU: 0 PID: 9082 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 70.129080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.138404] ffff8801b58f78a8 ffffffff81d956f9 1ffff10036b1ef18 ffff8801b59f4800 [ 70.146366] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b58f79b8 [ 70.154329] ffffffff81451c92 024000c2b58f78f8 0000000041b58ab3 ffffffff84195b35 [ 70.162298] Call Trace: [ 70.164859] [] dump_stack+0xc1/0x128 [ 70.170194] [] warn_alloc+0x212/0x240 [ 70.175611] [] ? zone_watermark_ok_safe+0x280/0x280 [ 70.182248] [] ? avc_has_perm+0xb0/0x4f0 [ 70.187929] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 70.194390] [] __vmalloc_node_range+0x3f5/0x5f0 [ 70.200677] [] ? check_preemption_disabled+0x3b/0x200 [ 70.207486] [] ? task_has_security+0x130/0x270 [ 70.213684] [] vmalloc+0x5b/0x70 [ 70.218669] [] ? sel_write_load+0x130/0xfd0 [ 70.224607] [] sel_write_load+0x130/0xfd0 [ 70.230374] [] ? sel_read_bool+0x250/0x250 [ 70.236228] [] ? sel_read_bool+0x250/0x250 [ 70.242080] [] __vfs_write+0x103/0x680 [ 70.247586] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 70.254047] [] ? __might_sleep+0x95/0x1a0 [ 70.259814] [] ? __lock_is_held+0xa1/0xf0 [ 70.265582] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 70.272390] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 70.278937] [] ? __sb_start_write+0x14a/0x310 [ 70.285047] [] vfs_write+0x189/0x530 [ 70.290378] [] SyS_pwrite64+0x13f/0x170 [ 70.295970] [] ? SyS_pread64+0x170/0x170 [ 70.301648] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 70.307760] [] sys32_pwrite+0x39/0x50 [ 70.313176] [] ? sys32_pread+0x50/0x50 [ 70.318686] [] do_fast_syscall_32+0x2f5/0x870 [ 70.324799] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.331435] [] entry_SYSENTER_compat+0x90/0xa2 [ 70.338610] Mem-Info: [ 70.341037] active_anon:55820 inactive_anon:43 isolated_anon:0 [ 70.341037] active_file:3493 inactive_file:8772 isolated_file:0 [ 70.341037] unevictable:0 dirty:175 writeback:0 unstable:0 [ 70.341037] slab_reclaimable:6851 slab_unreclaimable:58967 [ 70.341037] mapped:23811 shmem:50 pagetables:623 bounce:0 [ 70.341037] free:1473528 free_pcp:489 free_cma:0 [ 70.374896] Node 0 active_anon:223280kB inactive_anon:172kB active_file:13972kB inactive_file:35088kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95244kB dirty:704kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 86016kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 70.404267] 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 [ 70.433665] lowmem_reserve[]: 0 2908 6410 6410 [ 70.438866] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 70.469901] lowmem_reserve[]: 0 0 3501 3501 [ 70.474789] Normal free:2898260kB min:36824kB low:46028kB high:55232kB active_anon:223280kB inactive_anon:172kB active_file:13972kB inactive_file:35088kB unevictable:0kB writepending:704kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27404kB slab_unreclaimable:235868kB kernel_stack:5472kB pagetables:2492kB bounce:0kB free_pcp:1176kB local_pcp:692kB free_cma:0kB [ 70.509083] lowmem_reserve[]: 0 0 0 0 [ 70.513443] 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 [ 70.528723] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 70.545969] Normal: 33*4kB (UM) 8*8kB (UM) 95*16kB (UME) 107*32kB (UME) 189*64kB (UME) 26*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 697*4096kB (M) = 2898260kB [ 70.565249] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 70.573811] 12319 total pagecache pages [ 70.577929] 0 pages in swap cache [ 70.581353] Swap cache stats: add 0, delete 0, find 0/0 [ 70.586681] Free swap = 0kB [ 70.589684] Total swap = 0kB [ 70.592679] 1965969 pages RAM [ 70.595756] 0 pages HighMem/MovableOnly [ 70.599723] 320510 pages reserved [ 70.603201] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 70.613171] CPU: 0 PID: 9098 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 70.620676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.630003] ffff8801b198f8a8 ffffffff81d956f9 1ffff10036331f18 ffff8801b59de000 [ 70.637974] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b198f9b8 [ 70.645940] ffffffff81451c92 024000c2b198f8f8 0000000041b58ab3 ffffffff84195b35 [ 70.653915] Call Trace: [ 70.656476] [] dump_stack+0xc1/0x128 [ 70.661811] [] warn_alloc+0x212/0x240 [ 70.667232] [] ? zone_watermark_ok_safe+0x280/0x280 [ 70.673874] [] ? avc_has_perm+0xb0/0x4f0 [ 70.679556] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 70.686016] [] __vmalloc_node_range+0x3f5/0x5f0 [ 70.692305] [] ? check_preemption_disabled+0x3b/0x200 [ 70.699115] [] ? task_has_security+0x130/0x270 [ 70.705923] [] vmalloc+0x5b/0x70 [ 70.710906] [] ? sel_write_load+0x130/0xfd0 [ 70.716849] [] sel_write_load+0x130/0xfd0 [ 70.722616] [] ? sel_read_bool+0x250/0x250 [ 70.728468] [] ? sel_read_bool+0x250/0x250 [ 70.734320] [] __vfs_write+0x103/0x680 [ 70.739824] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 70.746284] [] ? __might_sleep+0x95/0x1a0 [ 70.752049] [] ? __lock_is_held+0xa1/0xf0 [ 70.757817] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 70.764624] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 70.771171] [] ? __sb_start_write+0x14a/0x310 [ 70.777288] [] vfs_write+0x189/0x530 [ 70.782620] [] SyS_pwrite64+0x13f/0x170 [ 70.788210] [] ? SyS_pread64+0x170/0x170 [ 70.793889] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 70.800447] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 70.806560] [] sys32_pwrite+0x39/0x50 [ 70.811979] [] ? sys32_pread+0x50/0x50 [ 70.817485] [] do_fast_syscall_32+0x2f5/0x870 [ 70.823596] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.830231] [] entry_SYSENTER_compat+0x90/0xa2 [ 70.837296] Mem-Info: [ 70.839703] active_anon:55820 inactive_anon:43 isolated_anon:0 [ 70.839703] active_file:3493 inactive_file:8772 isolated_file:0 [ 70.839703] unevictable:0 dirty:179 writeback:0 unstable:0 [ 70.839703] slab_reclaimable:6851 slab_unreclaimable:58967 [ 70.839703] mapped:23811 shmem:50 pagetables:623 bounce:0 [ 70.839703] free:1473536 free_pcp:482 free_cma:0 [ 70.872985] Node 0 active_anon:223280kB inactive_anon:172kB active_file:13972kB inactive_file:35088kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95244kB dirty:716kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 86016kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 70.902715] 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 [ 70.932041] lowmem_reserve[]: 0 2908 6410 6410 [ 70.937227] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 70.968594] lowmem_reserve[]: 0 0 3501 3501 [ 70.973485] Normal free:2898292kB min:36824kB low:46028kB high:55232kB active_anon:223280kB inactive_anon:172kB active_file:13972kB inactive_file:35088kB unevictable:0kB writepending:720kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27408kB slab_unreclaimable:235868kB kernel_stack:5440kB pagetables:2492kB bounce:0kB free_pcp:1148kB local_pcp:476kB free_cma:0kB [ 71.007322] lowmem_reserve[]: 0 0 0 0 [ 71.011675] 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 [ 71.026935] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 71.044081] Normal: 33*4kB (UM) 8*8kB (UM) 95*16kB (UME) 108*32kB (UME) 189*64kB (UME) 26*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 697*4096kB (M) = 2898292kB [ 71.063803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 71.072823] 12325 total pagecache pages [ 71.076779] 0 pages in swap cache [ 71.080401] Swap cache stats: add 0, delete 0, find 0/0 [ 71.085743] Free swap = 0kB [ 71.088767] Total swap = 0kB [ 71.091762] 1965969 pages RAM 2018/03/07 14:40:44 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f00000000c0)={"6c6f0000000600", &(0x7f0000000180)=@ethtool_cmd={0x27}}) lseek(r0, 0x0, 0x3) pipe(&(0x7f0000000140)={0xffffffffffffffff}) sendmsg$nl_route(r1, &(0x7f0000000400)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f00000003c0)={&(0x7f0000000300)=ANY=[@ANYBLOB="900000004300010127bd7000fedbdf251c0000000800040000010000000000000008000e0002002ecb1000050000000000090000000000000008000ae9de2900379fd31c10000d0000000000100000000000000008000b00040000926000ea000700000000000008000300090000000800020006"], 0x90}, 0x1, 0x0, 0x0, 0x20000000}, 0x1) 2018/03/07 14:40:44 executing program 4: r0 = syz_open_dev$sndseq(&(0x7f0000009000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_CLIENT(r0, 0xc04c5349, &(0x7f0000000080)) socketpair$unix(0x1, 0x5, 0x0, &(0x7f000001a000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f000002eff0)={0x2, &(0x7f0000000000)=[{0x25}, {0x80000006}]}, 0x8) sendto(r1, &(0x7f0000000040), 0x0, 0x0, 0x0, 0x0) r3 = syz_open_dev$usbmon(&(0x7f0000000000)='/dev/usbmon#\x00', 0x7fffffff, 0x0) getsockopt$netrom_NETROM_T2(r3, 0x103, 0x2, &(0x7f0000000040)=0x3, &(0x7f0000000100)=0x4) 2018/03/07 14:40:44 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000dedff0)={0x2, 0x4e20, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000667000), 0x0, 0x20008005, &(0x7f000095fff0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) recvmsg(r0, &(0x7f0000562000)={&(0x7f000006f000)=@rc, 0x9, &(0x7f0000df5fc0)=[{&(0x7f00005b6f84)=""/124, 0x7c}], 0x1, &(0x7f00001d3fb4)=""/76, 0x4c}, 0x0) setsockopt$sock_int(r0, 0x1, 0x10000000000007, &(0x7f0000000080)=0x5c5, 0x4) sendto$inet(r0, &(0x7f0000000000)='^', 0x1, 0x4003, 0x0, 0x0) 2018/03/07 14:40:44 executing program 6: r0 = syz_open_dev$tun(&(0x7f0000000180)='/dev/net/tun\x00', 0x0, 0x0) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f00000002c0)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet6_dccp_buf(r1, 0x21, 0x0, &(0x7f0000000300)="b3c444ea5279c22663c4cccaa1fc14f24f2664b9416909212939e5b1321301a03d1307133a58ab91a2e7464bf8fff3f2d16bf3ea55f7f82b1496056ab347b0a40d3a86b0e37853822e5f2a892ee6dbd9ad2ef489e803b3b8aa94a2b554df2a20c2b903144c8f865d47fab11e1b7400adddb8cc702f5e0b639e1081da57e6bd4083ce0c43c6db8e8f2505769c", 0x8c) setsockopt$bt_BT_VOICE(r0, 0x112, 0xb, &(0x7f0000000000)=0xfffffffffffffff9, 0x2) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={"426f6e64300000d24865c6eb37369b02", 0x2021}) ioctl$TUNATTACHFILTER(r0, 0x401054d5, &(0x7f00000000c0)={0x0, &(0x7f0000000000)=[]}) set_robust_list(&(0x7f00000001c0)={&(0x7f0000000040), 0xb618, &(0x7f0000000140)={&(0x7f0000000080)}}, 0xc) 2018/03/07 14:40:44 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) fcntl$dupfd(r2, 0x406, r2) 2018/03/07 14:40:44 executing program 7: r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x20000, 0x0) ioctl$sock_SIOCINQ(r0, 0x541b, &(0x7f0000000080)) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rfkill\x00', 0xec2, 0x0) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x3, 0x32, r1, 0x0) r2 = socket$inet6_udp(0xa, 0x2, 0x0) r3 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r3, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x4e21, @multicast2=0xe0000002}, 0x4, 0x0, 0x2}}, 0x2e) sendmsg$nl_crypto(r3, &(0x7f000037ffc8)={&(0x7f0000041000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000e6c000)={&(0x7f0000e6cff0)=@delrng={0x10, 0x14, 0x200, 0x0, 0x3, "", []}, 0x10}, 0x1, 0x0, 0x0, 0x8800}, 0x81) openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/checkreqprot\x00', 0x101100, 0x0) r4 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r4, 0x10e, 0x4, &(0x7f0000000100)=0x5, 0x4) 2018/03/07 14:40:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0x0, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:44 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r0, &(0x7f0000000040)="bca4aafbadbeb1ff07368aac5a593a3c0574a0535c9b3a79c6a76c14c25cbf659dc21416c28e0fdfd6de93b55d844248a5e1df3b8d90b21485a7", 0x3a, 0x4000880, &(0x7f0000000080)={0x2, 0x4e20, @empty}, 0x10) r1 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/avc/hash_stats\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_RTOINFO(0xffffffffffffff9c, 0x84, 0x0, &(0x7f0000000100)={0x0, 0x10001, 0x6, 0x9}, &(0x7f0000000140)=0x10) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000180)={r2, 0x80000000, 0x2, 0x18, 0x8, 0x20}, 0x14) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @multicast1=0xe0000001}, 0xfffffffffffffc34) 2018/03/07 14:40:44 executing program 3: r0 = socket$inet(0x2, 0x80000, 0x0) r1 = syz_open_dev$urandom(&(0x7f00000000c0)='/dev/urandom\x00', 0x0, 0x400) ioctl$RNDADDENTROPY(r1, 0x40085203, &(0x7f0000000100)={0x7, 0x3c, "6b34fd4a84eb9e55298e26b4862bd858171409bd1b0d4a35e33ff95e1ac1466c9ac819b3526655f145f5a19d5ba8ed3f2116369dbedcc8ef1d68f042"}) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r2 = syz_open_procfs(0x0, &(0x7f0000000000)='net/icmp6\x00') getsockopt$ax25_buf(r2, 0x101, 0x19, &(0x7f0000000040)=""/46, &(0x7f0000000080)=0x2e) 2018/03/07 14:40:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0x0, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) [ 71.094835] 0 pages HighMem/MovableOnly [ 71.099257] 320510 pages reserved 2018/03/07 14:40:44 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0x0, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:44 executing program 4: perf_event_open(&(0x7f000001d000)={0x40000000000, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf3, 0x0, 0x0, 0xb3b, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x1000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp\x00', 0x2000, 0x0) r1 = getpgid(0x0) r2 = syz_open_procfs(r1, &(0x7f0000176000)="00640001000445") ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0106434, &(0x7f0000000280)={0xff, 0x0, 0x0, 0x6}) ioctl$DRM_IOCTL_SG_ALLOC(r2, 0xc0086438, &(0x7f00000002c0)={0xdc6a, r3}) getdents(r2, &(0x7f0000cd7f35)=""/203, 0x64) getsockopt$EBT_SO_GET_INIT_ENTRIES(r2, 0x0, 0x83, &(0x7f00000001c0)={'nat\x00', 0x0, 0x3, 0x1000, [], 0x6, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], &(0x7f0000001000)=""/4096}, &(0x7f0000000240)=0x50) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000000080)=[@in6={0xa, 0x4e23, 0x3, @remote={0xfe, 0x80, [], 0xbb}, 0x80000001}, @in={0x2, 0x4e20, @multicast1=0xe0000001}, @in6={0xa, 0x4e20, 0x3, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xe}}, 0xf3f}], 0x48) getdents64(r2, &(0x7f0000000df0)=""/528, 0xff95) ioctl$EVIOCGSW(r2, 0x8040451b, &(0x7f0000000040)=""/15) [ 71.138924] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 71.156044] CPU: 0 PID: 9142 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 71.163572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.172924] ffff8801b4e8f8a8 ffffffff81d956f9 1ffff100369d1f18 ffff8801b53d6000 [ 71.180994] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b4e8f9b8 [ 71.188999] ffffffff81451c92 024000c2b4e8f8f8 0000000041b58ab3 ffffffff84195b35 [ 71.196971] Call Trace: [ 71.199535] [] dump_stack+0xc1/0x128 [ 71.204870] [] warn_alloc+0x212/0x240 [ 71.210293] [] ? zone_watermark_ok_safe+0x280/0x280 [ 71.216932] [] ? avc_has_perm+0xb0/0x4f0 [ 71.222616] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 71.229079] [] __vmalloc_node_range+0x3f5/0x5f0 [ 71.235369] [] ? check_preemption_disabled+0x3b/0x200 [ 71.242183] [] ? task_has_security+0x130/0x270 [ 71.248401] [] vmalloc+0x5b/0x70 [ 71.253392] [] ? sel_write_load+0x130/0xfd0 [ 71.259334] [] sel_write_load+0x130/0xfd0 [ 71.265100] [] ? sel_read_bool+0x250/0x250 [ 71.270958] [] ? sel_read_bool+0x250/0x250 [ 71.276815] [] __vfs_write+0x103/0x680 [ 71.282324] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 71.288788] [] ? __might_sleep+0x95/0x1a0 [ 71.294557] [] ? __lock_is_held+0xa1/0xf0 [ 71.300326] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 71.307136] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 71.313686] [] ? __sb_start_write+0x14a/0x310 [ 71.319803] [] vfs_write+0x189/0x530 [ 71.325134] [] SyS_pwrite64+0x13f/0x170 [ 71.330730] [] ? SyS_pread64+0x170/0x170 [ 71.336410] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 71.342526] [] sys32_pwrite+0x39/0x50 [ 71.347945] [] ? sys32_pread+0x50/0x50 [ 71.353456] [] do_fast_syscall_32+0x2f5/0x870 [ 71.359572] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.366211] [] entry_SYSENTER_compat+0x90/0xa2 [ 71.376741] Mem-Info: [ 71.387892] active_anon:55345 inactive_anon:43 isolated_anon:0 [ 71.387892] active_file:3493 inactive_file:8788 isolated_file:0 [ 71.387892] unevictable:0 dirty:188 writeback:0 unstable:0 [ 71.387892] slab_reclaimable:6863 slab_unreclaimable:59090 [ 71.387892] mapped:23857 shmem:50 pagetables:659 bounce:0 [ 71.387892] free:1473795 free_pcp:435 free_cma:0 [ 71.422441] Node 0 active_anon:219192kB inactive_anon:172kB active_file:13972kB inactive_file:35152kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95280kB dirty:752kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 71.452495] 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 [ 71.481917] lowmem_reserve[]: 0 2908 6410 6410 [ 71.487278] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 71.518234] lowmem_reserve[]: 0 0 3501 3501 [ 71.523181] Normal free:2906184kB min:36824kB low:46028kB high:55232kB active_anon:215008kB inactive_anon:172kB active_file:13972kB inactive_file:35152kB unevictable:0kB writepending:752kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27480kB slab_unreclaimable:236068kB kernel_stack:5408kB pagetables:2488kB bounce:0kB free_pcp:1388kB local_pcp:692kB free_cma:0kB [ 71.557022] lowmem_reserve[]: 0 0 0 0 [ 71.561385] 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 [ 71.576718] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 71.593978] Normal: 66*4kB (UME) 12*8kB (U) 83*16kB (UM) 91*32kB (UME) 192*64kB (UME) 27*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 6*2048kB (UM) 698*4096kB (M) = 2906232kB [ 71.613376] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 71.621948] 12332 total pagecache pages [ 71.625897] 0 pages in swap cache [ 71.629350] Swap cache stats: add 0, delete 0, find 0/0 [ 71.634701] Free swap = 0kB [ 71.637711] Total swap = 0kB [ 71.640709] 1965969 pages RAM [ 71.643791] 0 pages HighMem/MovableOnly [ 71.647756] 320510 pages reserved [ 71.651221] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 71.661256] CPU: 0 PID: 9159 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 71.669191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.678517] ffff8801bfd5f8a8 ffffffff81d956f9 1ffff10037fabf18 ffff8801b53ec800 [ 71.686501] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801bfd5f9b8 [ 71.694477] ffffffff81451c92 024000c2bfd5f8f8 0000000041b58ab3 ffffffff84195b35 [ 71.702445] Call Trace: [ 71.705002] [] dump_stack+0xc1/0x128 [ 71.710335] [] warn_alloc+0x212/0x240 [ 71.715755] [] ? zone_watermark_ok_safe+0x280/0x280 [ 71.722389] [] ? avc_has_perm+0xb0/0x4f0 [ 71.728068] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 71.734527] [] __vmalloc_node_range+0x3f5/0x5f0 [ 71.740815] [] ? check_preemption_disabled+0x3b/0x200 [ 71.747625] [] ? task_has_security+0x130/0x270 [ 71.753826] [] vmalloc+0x5b/0x70 [ 71.758811] [] ? sel_write_load+0x130/0xfd0 [ 71.764751] [] sel_write_load+0x130/0xfd0 [ 71.770517] [] ? sel_read_bool+0x250/0x250 [ 71.776369] [] ? sel_read_bool+0x250/0x250 [ 71.782223] [] __vfs_write+0x103/0x680 [ 71.787737] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 71.794210] [] ? __might_sleep+0x95/0x1a0 [ 71.799981] [] ? __lock_is_held+0xa1/0xf0 [ 71.805749] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 71.812556] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 71.819105] [] ? __sb_start_write+0x14a/0x310 [ 71.825219] [] vfs_write+0x189/0x530 [ 71.830554] [] SyS_pwrite64+0x13f/0x170 [ 71.836148] [] ? SyS_pread64+0x170/0x170 [ 71.841830] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 71.848378] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 71.854494] [] sys32_pwrite+0x39/0x50 [ 71.859911] [] ? sys32_pread+0x50/0x50 [ 71.865433] [] do_fast_syscall_32+0x2f5/0x870 [ 71.871546] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.878184] [] entry_SYSENTER_compat+0x90/0xa2 [ 71.885221] Mem-Info: [ 71.887646] active_anon:53748 inactive_anon:43 isolated_anon:0 [ 71.887646] active_file:3493 inactive_file:8788 isolated_file:0 [ 71.887646] unevictable:0 dirty:193 writeback:0 unstable:0 [ 71.887646] slab_reclaimable:6877 slab_unreclaimable:59013 [ 71.887646] mapped:23803 shmem:50 pagetables:608 bounce:0 [ 71.887646] free:1475529 free_pcp:534 free_cma:0 [ 71.920893] Node 0 active_anon:214992kB inactive_anon:172kB active_file:13972kB inactive_file:35152kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:772kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 71.950558] 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 [ 71.979890] lowmem_reserve[]: 0 2908 6410 6410 [ 71.985032] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 72.015996] lowmem_reserve[]: 0 0 3501 3501 [ 72.021271] Normal free:2906248kB min:36824kB low:46028kB high:55232kB active_anon:214992kB inactive_anon:172kB active_file:13972kB inactive_file:35152kB unevictable:0kB writepending:776kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27508kB slab_unreclaimable:236068kB kernel_stack:5376kB pagetables:2432kB bounce:0kB free_pcp:1360kB local_pcp:684kB free_cma:0kB [ 72.055107] lowmem_reserve[]: 0 0 0 0 [ 72.059475] 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 [ 72.074739] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 72.091965] Normal: 63*4kB (UM) 12*8kB (U) 83*16kB (UME) 88*32kB (UME) 192*64kB (UME) 27*128kB (UME) 9*256kB (UME) 12*512kB (ME) 6*1024kB (UM) 6*2048kB (UM) 698*4096kB (M) = 2906124kB [ 72.111685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 72.120402] 12337 total pagecache pages [ 72.124358] 0 pages in swap cache [ 72.127805] Swap cache stats: add 0, delete 0, find 0/0 [ 72.133145] Free swap = 0kB [ 72.136128] Total swap = 0kB [ 72.139148] 1965969 pages RAM 2018/03/07 14:40:45 executing program 1: r0 = socket$inet_tcp(0x2, 0x1, 0x0) socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$inet_tcp_buf(r0, 0x6, 0x1d, &(0x7f0000437000)=""/155, &(0x7f00000e0000)=0xffffffffffffff56) 2018/03/07 14:40:45 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$IP6T_SO_GET_ENTRIES(r1, 0x29, 0x41, &(0x7f00000000c0)={'mangle\x00', 0x58, "8323057b915601205cc9f6cdf448b059666a83e3f833753b3b6353344d1bf89ee74ba4e96a60524fea95c6d22dcf96f4017c645d1cb247954989ab0f0a038afbc621cf8ca5881715b08e13897f63d6e18e760ce9dd2f42cb"}, &(0x7f0000000140)=0x7c) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:45 executing program 0: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(&(0x7f0000212ff8)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000982ff9)='mqueue\x00', 0x0, &(0x7f0000ebcffe)) symlink(&(0x7f0000000040)='./file1\x00', &(0x7f0000000080)='./file0/bus\x00') r0 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/mls\x00', 0x0, 0x0) getsockopt$ipx_IPX_TYPE(r0, 0x100, 0x1, &(0x7f00000000c0), &(0x7f0000000140)=0x4) 2018/03/07 14:40:45 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0x2, 0x0) ioctl$EVIOCSKEYCODE_V2(r0, 0x40284504, &(0x7f0000000000)={0xfefffffffffffffb, 0x0, 0x1, 0x0, "6ebc232b33d54b3de3f2579ce2097089cbdcee96c6636029bccfb5245c6797f2"}) 2018/03/07 14:40:45 executing program 4: perf_event_open(&(0x7f000001d000)={0x40000000000, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf3, 0x0, 0x0, 0xb3b, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x0, 0x0, @perf_bp, 0x0, 0x0, 0x1000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x3, 0x32, 0xffffffffffffffff, 0x0) r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp\x00', 0x2000, 0x0) r1 = getpgid(0x0) r2 = syz_open_procfs(r1, &(0x7f0000176000)="00640001000445") ioctl$DRM_IOCTL_AGP_ALLOC(r0, 0xc0106434, &(0x7f0000000280)={0xff, 0x0, 0x0, 0x6}) ioctl$DRM_IOCTL_SG_ALLOC(r2, 0xc0086438, &(0x7f00000002c0)={0xdc6a, r3}) getdents(r2, &(0x7f0000cd7f35)=""/203, 0x64) getsockopt$EBT_SO_GET_INIT_ENTRIES(r2, 0x0, 0x83, &(0x7f00000001c0)={'nat\x00', 0x0, 0x3, 0x1000, [], 0x6, &(0x7f0000000140)=[{}, {}, {}, {}, {}, {}], &(0x7f0000001000)=""/4096}, &(0x7f0000000240)=0x50) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX(r2, 0x84, 0x6e, &(0x7f0000000080)=[@in6={0xa, 0x4e23, 0x3, @remote={0xfe, 0x80, [], 0xbb}, 0x80000001}, @in={0x2, 0x4e20, @multicast1=0xe0000001}, @in6={0xa, 0x4e20, 0x3, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xe}}, 0xf3f}], 0x48) getdents64(r2, &(0x7f0000000df0)=""/528, 0xff95) ioctl$EVIOCGSW(r2, 0x8040451b, &(0x7f0000000040)=""/15) 2018/03/07 14:40:45 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) fcntl$F_GET_RW_HINT(r2, 0x40b, &(0x7f0000000180)) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:45 executing program 6: r0 = socket$inet6(0xa, 0x1, 0x0) getsockname(r0, &(0x7f0000000040)=@l2, &(0x7f00000000c0)=0x80) sendto$inet6(r0, &(0x7f0000c9f000), 0x0, 0xfffffefffffffffe, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x0, 0xbb}}}, 0x1c) fadvise64(r0, 0x0, 0x4, 0x2) fcntl$setlease(r0, 0x400, 0x2) openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000c3bff4)) getsockopt$inet6_int(r0, 0x29, 0x10000000000018, &(0x7f0000534000), &(0x7f0000fd2000)=0xffffff5f) 2018/03/07 14:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) [ 72.142241] 0 pages HighMem/MovableOnly [ 72.146182] 320510 pages reserved [ 72.167649] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 72.184577] CPU: 1 PID: 9186 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 72.192105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.201456] ffff8801b19978a8 ffffffff81d956f9 1ffff10036332f18 ffff8801b4ddb000 [ 72.209511] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b19979b8 [ 72.217549] ffffffff81451c92 024000c2b19978f8 0000000041b58ab3 ffffffff84195b35 [ 72.225577] Call Trace: [ 72.226391] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 72.233581] [] dump_stack+0xc1/0x128 2018/03/07 14:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x6, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:45 executing program 4: r0 = socket(0x18, 0x0, 0x4) unshare(0x40600) getsockopt(r0, 0x1, 0x7, &(0x7f0000000080)=""/107, &(0x7f0000000100)=0x6b) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000200)=0x2, 0x4) getsockname$netlink(r0, &(0x7f0000000000), &(0x7f0000000040)=0xc) ioctl$sock_SIOCDELDLCI(r0, 0x8981, &(0x7f0000000180)={'tunl0\x00'}) 2018/03/07 14:40:45 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) sendto(r0, &(0x7f00000004c0)='@', 0x1, 0x0, 0x0, 0x0) setsockopt$sock_int(r1, 0x1, 0x10, &(0x7f00002cb000)=0xd9e0, 0x4) recvmsg(r1, &(0x7f0000001440)={&(0x7f0000000000)=@hci, 0xc, &(0x7f0000001380)=[], 0x0, &(0x7f0000001400)=""/48, 0x30}, 0x0) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) 2018/03/07 14:40:45 executing program 6: r0 = syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x0) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x1, 0x0) sendmsg$nl_netfilter(r1, &(0x7f0000000400)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x200180}, 0xc, &(0x7f00000003c0)={&(0x7f0000000140)={0x244, 0x7, 0x9, 0x100, 0x70bd2a, 0x25dfdbfe, {0xa, 0x0, 0x9}, [@generic="84c55751e1ded6af6c62900ea519d32eb2ebc9bb6ea36252401b60de5bb46c9bcc870ba6566ab7370a45f15637be5943d319c2b0d06d5429a24976a680a5e1796a70291344d554b221cc9ae91f9dc1c8542a49ae974db833652ca31492daaca8a844baadf5c1a8bc3a04b37498fafa1abd9d80cd40cd5fe2b51483", @generic="78e5334456373240409e6c56248c9619a111beefae6beaadeb05d3b2d56da89cf9253e32a09de62d141d597924163246e83876b3373119fa819ab9197889d187c2b43e2c572e47bf93f05852d41d33c4ae6d127f80062b8deeabcdd7811fb939b56d2defadc1d3713d972cb0b0bc5f29aab64e4243ee8bd4c98b3520df44be38e99d3c1c2e6104a72a342064df20a1cfe393443d2f63b191f1f3e13dc423f1f3f36b1145c5b4e69f59a3df3cc55782cd202df4f5", @generic="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"]}, 0x244}, 0x1, 0x0, 0x0, 0x8000}, 0x1) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_STATUS(r0, 0xc05c5340, &(0x7f00000000c0)={0x0, 0x0, 0x0, {0x77359400}}) 2018/03/07 14:40:45 executing program 4: r0 = syz_open_dev$loop(&(0x7f0000000040)='/dev/loop#\x00', 0x4, 0x80000) write(r0, &(0x7f0000000200), 0x0) 2018/03/07 14:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7, 0x0, 0x0, 0x0, 0x0, 0x2}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x28, 0x1c, 0xf07, 0x0, 0x0, {0x7}, [@NDA_LLADDR={0xa, 0x2, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}]}, 0x28}, 0x1}, 0x0) 2018/03/07 14:40:45 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x4, &(0x7f0000000140)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) fchownat(r1, &(0x7f0000000080)='./file0\x00', r2, r3, 0x0) [ 72.233689] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 72.244367] [] warn_alloc+0x212/0x240 [ 72.249813] [] ? zone_watermark_ok_safe+0x280/0x280 [ 72.256460] [] ? avc_has_perm+0xb0/0x4f0 [ 72.262146] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 72.268620] [] __vmalloc_node_range+0x3f5/0x5f0 [ 72.274922] [] ? check_preemption_disabled+0x3b/0x200 [ 72.281734] [] ? task_has_security+0x130/0x270 [ 72.287938] [] vmalloc+0x5b/0x70 [ 72.292932] [] ? sel_write_load+0x130/0xfd0 [ 72.298880] [] sel_write_load+0x130/0xfd0 [ 72.304650] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 72.311557] [] ? futex_wake+0x146/0x440 [ 72.317153] [] ? sel_read_bool+0x250/0x250 [ 72.323006] [] ? sel_read_bool+0x250/0x250 [ 72.328863] [] __vfs_write+0x103/0x680 [ 72.334372] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 72.340846] [] ? __might_sleep+0x95/0x1a0 [ 72.346636] [] ? __lock_is_held+0xa1/0xf0 [ 72.352418] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 72.359241] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 72.365802] [] ? __sb_start_write+0x14a/0x310 [ 72.371928] [] vfs_write+0x189/0x530 [ 72.377263] [] SyS_pwrite64+0x13f/0x170 [ 72.382858] [] ? SyS_pread64+0x170/0x170 [ 72.388540] [] ? compat_SyS_ioctl+0x8c/0x2050 2018/03/07 14:40:45 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000)=""/34, &(0x7f0000000040)=0x9e) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x80, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0x4, @local={0xfe, 0x80, [], 0xaa}, 0x80fc}}, 0x0, 0x9, 0xce, 0x2, 0x9}, &(0x7f0000000180)=0x98) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r1, 0x84, 0x1b, &(0x7f00000001c0)={r2, 0x72, "c6cea1d7041cd8f1d284fed197fc9e8dcb47ea94e3d2c1e725739ee7b43fc8e9a8099da3dfdc513a83268cb1879aa61608df075d10a83219ba6bb56580255b7f31edf68725da27e63c01dff823637e75995754bbfd81f4d1254f17fa10b756e39c551489eea75158abb110bc7e76ce91d2f9"}, &(0x7f0000000240)=0x7a) utimensat(r1, &(0x7f0000000280)='./file0\x00', &(0x7f00000002c0), 0x100) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:45 executing program 6: r0 = syz_open_dev$loop(&(0x7f0000ca9ff5)='/dev/loop#\x00', 0x0, 0x101902) ioctl$LOOP_SET_CAPACITY(r0, 0x4c07) socket$inet_udp(0x2, 0x2, 0x0) r1 = syz_open_dev$sg(&(0x7f00000001c0)='/dev/sg#\x00', 0x800, 0x0) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(0xffffffffffffff9c, 0x84, 0x9, &(0x7f0000000200)={0x0, @in6={{0xa, 0x4e20, 0x100000000, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0x11}}, 0x8}}, 0x6, 0x10000, 0xffff, 0xfffffffffffffff9, 0x10}, &(0x7f0000000340)=0x98) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000380)={r2, @in6={{0xa, 0x4e24, 0x5, @dev={0xfe, 0x80, [], 0x10}, 0x1}}, 0x155, 0x2000000000000000}, 0x88) r3 = memfd_create(&(0x7f0000614000)="74086e750000000000000000008c00", 0x0) bind$ax25(r3, &(0x7f0000000000)={0x3, {"11ed7b2b8a8c45"}, 0x5}, 0x10) pwritev(r3, &(0x7f0000f50f90)=[{&(0x7f00001f2000)="aa", 0x1}], 0x1, 0x81003) ioctl$fiemap(r3, 0xc020660b, &(0x7f0000000040)=ANY=[@ANYBLOB="e37800000000000000000080000000000200000000100000070000000000000001000000000000000000000000000000090000000000000000000000000000000000000000000000020000000000000000000000000000000080000000000000080000000000000003000000000000000000000000000000000000000000000000010000000000000000000000000000020000000000000000000000000080010400000000000000000000000000000000000000000000000010000000000000000000000000000008000000000000000500000000003a55dbef49000000000000000000000005f91d9b97b0c29200000000000000000000000000000001100000000000000000000000000000fdffffffffffffff05000000000000003e0000000000000000000000000000000000000000000000000900000000000000000000000000000400000000000000ff416d7b3ef9d38323d36ef8caffff7f00000000ff7f900000000000000000000000e0"]) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r3) ioctl$TCSETA(r3, 0x5406, &(0x7f0000000300)={0x7fffffff, 0x1, 0x80000001, 0x2, 0xfff, 0x67b, 0xdc61, 0x3, 0x6, 0x4}) sendfile(r0, r3, &(0x7f00000ddff8), 0x102000001) ioctl$LOOP_CLR_FD(r0, 0x4c01) rt_sigsuspend(&(0x7f00000002c0)={0x10000}, 0x8) 2018/03/07 14:40:45 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) [ 72.394656] [] sys32_pwrite+0x39/0x50 [ 72.400079] [] ? sys32_pread+0x50/0x50 [ 72.405592] [] do_fast_syscall_32+0x2f5/0x870 [ 72.411711] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.418350] [] entry_SYSENTER_compat+0x90/0xa2 [ 72.428128] Mem-Info: [ 72.431013] active_anon:53747 inactive_anon:43 isolated_anon:0 [ 72.431013] active_file:3494 inactive_file:8795 isolated_file:0 [ 72.431013] unevictable:0 dirty:200 writeback:0 unstable:0 [ 72.431013] slab_reclaimable:6902 slab_unreclaimable:59095 [ 72.431013] mapped:23803 shmem:50 pagetables:607 bounce:0 [ 72.431013] free:1474891 free_pcp:423 free_cma:0 [ 72.435839] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 72.472291] Node 0 active_anon:217076kB inactive_anon:172kB active_file:13976kB inactive_file:35180kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:800kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 72.502180] 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 [ 72.531521] lowmem_reserve[]: 0 2908 6410 6410 [ 72.536684] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 72.567959] lowmem_reserve[]: 0 0 3501 3501 [ 72.572862] Normal free:2897464kB min:36824kB low:46028kB high:55232kB active_anon:223796kB inactive_anon:172kB active_file:13976kB inactive_file:35680kB unevictable:0kB writepending:800kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27608kB slab_unreclaimable:235684kB kernel_stack:5632kB pagetables:2428kB bounce:0kB free_pcp:676kB local_pcp:504kB free_cma:0kB [ 72.606628] lowmem_reserve[]: 0 0 0 0 [ 72.611098] 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 [ 72.626416] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 72.643638] Normal: 2*4kB (ME) 4*8kB (UME) 79*16kB (ME) 87*32kB (UME) 196*64kB (UME) 27*128kB (UME) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 699*4096kB (M) = 2905720kB [ 72.662701] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 72.671267] 12485 total pagecache pages [ 72.675219] 0 pages in swap cache [ 72.678825] Swap cache stats: add 0, delete 0, find 0/0 [ 72.684168] Free swap = 0kB [ 72.687186] Total swap = 0kB [ 72.690180] 1965969 pages RAM [ 72.693252] 0 pages HighMem/MovableOnly [ 72.697224] 320510 pages reserved [ 72.701196] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 72.712400] CPU: 0 PID: 9215 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 72.719909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.729243] ffff8801d936f8a8 ffffffff81d956f9 1ffff1003b26df18 ffff8801b4c4c800 [ 72.737202] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d936f9b8 [ 72.745160] ffffffff81451c92 024000c2d936f8f8 0000000041b58ab3 ffffffff84195b35 [ 72.753123] Call Trace: [ 72.755681] [] dump_stack+0xc1/0x128 [ 72.761014] [] warn_alloc+0x212/0x240 [ 72.766434] [] ? zone_watermark_ok_safe+0x280/0x280 [ 72.773069] [] ? avc_has_perm+0xb0/0x4f0 [ 72.778749] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 72.785207] [] __vmalloc_node_range+0x3f5/0x5f0 [ 72.791501] [] ? check_preemption_disabled+0x3b/0x200 [ 72.798309] [] ? task_has_security+0x130/0x270 [ 72.804508] [] vmalloc+0x5b/0x70 [ 72.809497] [] ? sel_write_load+0x130/0xfd0 [ 72.815435] [] sel_write_load+0x130/0xfd0 [ 72.821201] [] ? sel_read_bool+0x250/0x250 [ 72.827052] [] ? sel_read_bool+0x250/0x250 [ 72.832903] [] __vfs_write+0x103/0x680 [ 72.838407] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 72.844878] [] ? __might_sleep+0x95/0x1a0 [ 72.850645] [] ? __lock_is_held+0xa1/0xf0 [ 72.856413] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 72.863218] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 72.869766] [] ? __sb_start_write+0x14a/0x310 [ 72.875885] [] vfs_write+0x189/0x530 [ 72.881220] [] SyS_pwrite64+0x13f/0x170 [ 72.886817] [] ? SyS_pread64+0x170/0x170 [ 72.892509] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 72.899057] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 72.905183] [] sys32_pwrite+0x39/0x50 [ 72.910600] [] ? sys32_pread+0x50/0x50 [ 72.916108] [] do_fast_syscall_32+0x2f5/0x870 [ 72.922220] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.928861] [] entry_SYSENTER_compat+0x90/0xa2 [ 72.936218] Mem-Info: [ 72.938888] active_anon:53756 inactive_anon:43 isolated_anon:0 [ 72.938888] active_file:3494 inactive_file:8820 isolated_file:0 [ 72.938888] unevictable:0 dirty:200 writeback:0 unstable:0 [ 72.938888] slab_reclaimable:6902 slab_unreclaimable:58929 [ 72.938888] mapped:23807 shmem:50 pagetables:618 bounce:0 [ 72.938888] free:1475587 free_pcp:481 free_cma:0 [ 72.972168] Node 0 active_anon:215024kB inactive_anon:172kB active_file:13976kB inactive_file:35280kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95328kB dirty:800kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 73.001512] 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 [ 73.030838] lowmem_reserve[]: 0 2908 6410 6410 [ 73.036010] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 73.067047] lowmem_reserve[]: 0 0 3501 3501 [ 73.072016] Normal free:2906488kB min:36824kB low:46028kB high:55232kB active_anon:215024kB inactive_anon:172kB active_file:13976kB inactive_file:35280kB unevictable:0kB writepending:800kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27608kB slab_unreclaimable:235672kB kernel_stack:5408kB pagetables:2472kB bounce:0kB free_pcp:1184kB local_pcp:520kB free_cma:0kB [ 73.105848] lowmem_reserve[]: 0 0 0 0 [ 73.110219] 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 [ 73.125461] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 73.142781] Normal: 154*4kB (UM) 12*8kB (UME) 83*16kB (UME) 89*32kB (UME) 197*64kB (UME) 27*128kB (UME) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 699*4096kB (M) = 2906584kB [ 73.162246] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 73.170837] 12360 total pagecache pages [ 73.174796] 0 pages in swap cache [ 73.178404] Swap cache stats: add 0, delete 0, find 0/0 [ 73.183751] Free swap = 0kB [ 73.186743] Total swap = 0kB [ 73.189778] 1965969 pages RAM [ 73.192865] 0 pages HighMem/MovableOnly 2018/03/07 14:40:46 executing program 7: r0 = add_key$user(&(0x7f0000001300)='user\x00', &(0x7f0000001340)={0x73, 0x79, 0x7a, 0x0}, &(0x7f0000001380)="474435613fd9be7a1a4b789438043ac0480848c8f086627ea2e50cdc4099d11ace0e50eb921e1ce327bc70ed8c25d7fde8dd3b3870359d1e638e7f8ead2cb9dbb0c42ac608494390184108babdd4db61dfe3835c250e85995a796b55358d9d86a2d053a616362a513cc6a3e8dba1810bbf0131ca8d8048ef8c7ff54f0c4cd2da9fe2208f2606dea66e484c9d9604cfcd9c72c61fd5", 0x95, 0xffffffffffffffff) r1 = add_key$keyring(&(0x7f0000001540)='keyring\x00', &(0x7f0000001580)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$instantiate(0xc, r0, &(0x7f0000001440)="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", 0xfb, r1) mkdir(&(0x7f0000001100)='./file0/file0\x00', 0x8) pipe(&(0x7f00000015c0)={0xffffffffffffffff, 0xffffffffffffffff}) bind$vsock_stream(r2, &(0x7f0000001600)={0x28, 0x0, 0xffffffff, @my=0x0}, 0x10) r3 = openat$rtc(0xffffffffffffff9c, &(0x7f00000011c0)='/dev/rtc\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f0000001200)={0x0, 0xfff}, &(0x7f0000001240)=0x8) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(r3, 0x84, 0x77, &(0x7f0000001280)=ANY=[@ANYRES32=r4, @ANYBLOB="190300000000000000000000"], &(0x7f00000012c0)=0x10) mount(&(0x7f0000212ff8)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000982ff9)='mqueue\x00', 0x0, &(0x7f0000ebcffe)) link(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file0/file0\x00') lgetxattr(&(0x7f0000000000)='./file0/file0\x00', &(0x7f00000000c0)=@known='security.capability\x00', &(0x7f0000000100)=""/4096, 0x1000) r5 = syz_open_dev$usbmon(&(0x7f0000001140)='/dev/usbmon#\x00', 0x4, 0x400002) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r5, 0x894b, &(0x7f0000001180)) 2018/03/07 14:40:46 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) r2 = openat$pktcdvd(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/pktcdvd/control\x00', 0x20003, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r2, 0x84, 0x17, &(0x7f0000000280)={r1, 0x87cd, 0x50, "f00359aeef06be2a3f5c41e0439c303770328b37791d32424c0e25d99ad666239cfea874aa4c4dd442bb3fe89d03a03f6c1bd1a532f5c64964f948414510af029a351e15a6a0e06bbae74e57d1d96852"}, 0x58) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f0000000180)=0x5, 0x4) 2018/03/07 14:40:46 executing program 6: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_int(r0, 0x29, 0x800000018, &(0x7f0000001300)=0x7ff, 0x4) sendto$inet6(r0, &(0x7f00008d1000), 0x254, 0x4c080, &(0x7f00005fa000)={0xa, 0x4e22, 0x0, @empty}, 0x1c) sendmsg(r0, &(0x7f0000001280)={&(0x7f0000000000)=@in6={0xa, 0x4e20, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x80, &(0x7f0000001240)=[{&(0x7f0000000240)="b1cccae25d3d0796d3d5648382bacc9603bf273ed898f429886c17ee0f91ded0d79d85b5ccf8f61c773c165caa961c8fed718c4ab9914228e7d2034dd0bba4f373abe9b7d2a669ddfc6204c1cc2e1574f4c3ee4661c9e0f9bd8c7411ec527558eb5ca77be4f4b57dca5ab2f5d03a4bf6b0b591adfc158be9f6f8d9fa6394fb677e4fefb27839f9c0bb72639fff7d09ed7401a7ee779ae20642162dfbb2d9bf11730e5368e4e8571d0a1cbd4f3ef06caf19796a032e2402a854017a84f1519733cf2f0911a6f0de037aa51944e21756a07d6661300e1429a6f1f1a2af4ec7523bb58d8ccb74b1fcd6db6746c1bd229a0541be721feeb78e65aa026db6baf7dbc0abc83a6026d27c4cd84a1c9b97f2d9a7a898ba358580f5f66d212681d417755380dcace0fb6ad5f2e0514107962f76162b6a23da33cecd8ebd6d9b921f35964117593387daca56746a144dc4e7281642d0efc545572d377a0ef4aa3da240bee4b18b4f844e77f25b8fc1cf09b0871612dc5b397c1c8943d33e8329fec1cd2ae214b9903415536baa174a0e0328ddcd7879ba34407058a051aa73580811d332c22fb69a9cee124ae2dc920855452ef12391285172bb7d1094c0e2304af0297f20c0a740924c47908e966531fb8a2dffd090f5233dcf097a43683d292f837ccadc3949811bf8b08cd64e0be221b08e72946fa0b8c130da4140e782f28db912f13d0c9e0fc56fa2a75a3cab5a1b0e552efc3bcb733a228fe57a97d803ee2b4b31701c89f7b5c489e8d3f5413cdacbb1e19e48262cd21b3c9388da8c47d5815ac0f66cb686de00817e05e0ec88c39e3461e1f4be59f46bf333db2d9a512a4479fbc80e9ad122835ec40a5072782df76ed6c1a3d9c9281c43a17bc7a6afdf9b8e57eeaf6111057413a5bb1055dfd494de5c1754a1034ac5577c527d1b97debeccd04124637107e6da359db3af352437274726861efdfb65cf0b086f50a4f5a7bb87dc7f38a4366671fadaef73d701853b2030d652553da8d73087866f5f948f85957d2080a79b76c8ca36b5cbdd28ac8d693fdde037f9b6dab7ceed7b0795fa6fa0e5a2c3099da987f84c5ca4d2307d25c10ab677a23dea724bfb5bb72f4b6da689fd2b44dd1a2a0092601fb11de50582ebaed77dba05c9ee2fd9c497f18aa21ded962cd4f1a18318126eef214e04f71b5f02b4ded675968fe629084da343ba7af40caa2e1e7fc7e83f0c264936e81c1e20a460c9d057a27855312c77f44c446dc2569e50bac593f23582cc09ae450e11a58359d23c44d342a16229abe7ff092b2074718728de141ccce667cae07e07d50ea130eaa9c8341e5443925decd764f50bf9b2d6a34b73582a9ac93e5a547cbecd6338b8b5c0bfa944385e197199ceb01e34ea67866b90138248d1957387725dfe0f3855c018f4171975a90dd4effcdf4f99f5777d260b01bc9461f5d04cc3ec93310ef335c51aba1cb82e8cefc25afd4682b2f709ee857a00e1618db3b9796c771af34f82ac23a543fb9e49e0a162d05e25f85898b2b655c57de4a7b8a11914b15c37e495217cc559f9f1e1af0716e9596ba0c4a445183de923d46268b199e97630d81d68400eac62d6e4293862334d8e3c2e577e95e08b4b4a736851bffd260b0a7dca22d601267a100e14de2f9fcf081139e0b13cc55147814eb16f86336b0d1432ca7c93d148f8f981b9f424f8029d1d3c020c2c27f828a5b60b8ae4453bb6afd37bfebf8e14d3f241791df5e3d3ac7dc44abe29d36564548d3ded06772ac872d5edb14cc20c65ff6368733254439e2372a95ca6f329b5cd24de320b164406d6b7f373e2f617092be406ea78084ac9126ab22a9b3614950b2b068d74fd7b2e1dd40834b1c5b5018750c022433f0eea989a9bebf875eedbf8c67b728d2ecb0f3c062f524f8c6d24b2f9ec3cb311bafa542040813fa97411b69ec4122d2dd8f30fe342028fb7633945da04aed6", 0x57c}], 0x1}, 0x2404c040) r1 = socket$packet(0x11, 0x3, 0x300) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000e16ff0)={0x1, &(0x7f0000683ff0)=[{0x6, 0x0, 0x0, 0x4}]}, 0x8) socket$inet_sctp(0x2, 0x0, 0x84) sendmsg(r0, &(0x7f0000610fc8)={0x0, 0x0, &(0x7f00009f8000)=[{&(0x7f0000554000)="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", 0x7b9}], 0x1, &(0x7f0000864bb8)=[]}, 0x0) r2 = accept4(r0, &(0x7f00000007c0)=@nl=@proc, &(0x7f0000000840)=0x80, 0x800) getsockopt$netlink(r2, 0x10e, 0x8, &(0x7f0000000880)=""/230, &(0x7f0000000980)=0xe6) readv(r1, &(0x7f0000000200)=[{&(0x7f0000000080)=""/143, 0x8f}, {&(0x7f0000000140)=""/170, 0xaa}], 0x2) 2018/03/07 14:40:46 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x4, &(0x7f0000000140)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) fchownat(r1, &(0x7f0000000080)='./file0\x00', r2, r3, 0x0) 2018/03/07 14:40:46 executing program 4: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f000001bfc8)={&(0x7f0000e49ff4)={0x10}, 0xc, &(0x7f0000000000)={&(0x7f00006c1000)=@ipv6_newroute={0x28, 0x18, 0x505, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, [@RTA_METRICS={0xc, 0x8, "0600100000"}]}, 0x28}, 0x1}, 0x0) r1 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x6, 0x100c0) write$selinux_access(r1, &(0x7f0000000080)={'system_u:object_r:ld_so_cache_t:s0', 0x20, 'unconfined_u:system_r:insmod_t:s0-s0:c0.c1023', 0x20, 0x36, 0x33}, 0x54) 2018/03/07 14:40:46 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = epoll_create1(0x0) poll(&(0x7f0000000040)=[{r1, 0x2001}], 0x1, 0x88) r2 = timerfd_create(0x0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r2, &(0x7f0000c1d000)) timerfd_settime(r2, 0x1, &(0x7f0000000100)={{0x77359400}, {0x0, 0x989680}}, &(0x7f0000037000)) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r2, &(0x7f000003cff4)={0x7}) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:46 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = openat$selinux_status(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/status\x00', 0x0, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r1, 0x6, 0x1d, &(0x7f0000000100), &(0x7f0000000140)=0x14) setsockopt$inet_MCAST_JOIN_GROUP(r0, 0x0, 0x2a, &(0x7f0000000000)={0x9, {{0x2, 0x4e23, @rand_addr=0x10001}}}, 0x84) 2018/03/07 14:40:46 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='/exe\x00\x00\x00\x00\x00\x00') fgetxattr(r0, &(0x7f0000000000)=@random={'security.', '/exe\x00'}, &(0x7f0000000040)=""/15, 0xf) fgetxattr(r0, &(0x7f0000000080)=@known='user.syz\x00', &(0x7f0000000340)=""/136, 0x88) 2018/03/07 14:40:46 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/commit_pending_bools\x00', 0x1, 0x0) 2018/03/07 14:40:46 executing program 0: eventfd2(0x6, 0x80000) pipe2(&(0x7f000063eff8)={0x0}, 0x84800) read$eventfd(r0, &(0x7f0000e11000), 0x8) 2018/03/07 14:40:46 executing program 4: mkdir(&(0x7f0000027000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f0000000000)) open$dir(&(0x7f000001bff4)='./file0/bus\x00', 0x88040, 0x0) mount(&(0x7f0000033ff4)='./file0/bus\x00', &(0x7f000000fff8)='./file0\x00', &(0x7f0000032ffb)='fuse\x00', 0x7ffbf, &(0x7f0000032000)) r0 = openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_SUBSCRIBE_PORT(r0, 0x40505330, &(0x7f0000000040)={{0x2}, {0x2, 0x3}, 0x5, 0x3}) truncate(&(0x7f0000035ff4)='./file0/bus\x00', 0x0) [ 73.196859] 320510 pages reserved [ 73.212159] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 73.232256] CPU: 1 PID: 9241 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 2018/03/07 14:40:46 executing program 0: r0 = open(&(0x7f0000002000)='./bus\x00', 0x1, 0x0) truncate(&(0x7f000034a000)='./bus\x00', 0x5) mmap(&(0x7f0000000000/0x11000)=nil, 0x11000, 0x1, 0x11, r0, 0x0) fcntl$getownex(r0, 0x10, &(0x7f0000000140)={0x0, 0x0}) sched_getparam(r1, &(0x7f0000000380)) preadv(r0, &(0x7f0000000340)=[{&(0x7f0000000000)=""/116, 0x74}, {&(0x7f0000000080)=""/160, 0xa0}, {&(0x7f0000000140)}, {&(0x7f0000001000)=""/4096, 0x1000}, {&(0x7f0000002040)=""/4096, 0x1000}, {&(0x7f0000000180)=""/115, 0x73}, {&(0x7f0000000200)=""/17, 0x11}, {&(0x7f0000000240)=""/225, 0xe1}], 0x8, 0x0) readlinkat(r0, &(0x7f0000000ffa)='./bus\x00', &(0x7f0000b69fff)=""/1, 0x1) 2018/03/07 14:40:46 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x4, &(0x7f0000000140)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) fchownat(r1, &(0x7f0000000080)='./file0\x00', r2, r3, 0x0) 2018/03/07 14:40:46 executing program 4: r0 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000240)='/proc/self/net/pfkey\x00', 0x800, 0x0) ioctl$PPPIOCSMRU(r0, 0x40047452, &(0x7f0000000280)=0xa985) socketpair$unix(0x1, 0x2, 0x0, &(0x7f000087fff8)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setownex(r1, 0xf, &(0x7f00000ff000)) fcntl$F_GET_FILE_RW_HINT(r2, 0x40d, &(0x7f00000002c0)) r3 = socket$inet6_udp(0xa, 0x2, 0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000000c0)={{{@in=@rand_addr, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@local}}, &(0x7f00000001c0)=0xe8) ioctl$sock_inet6_SIOCSIFDSTADDR(r3, 0x8918, &(0x7f0000000200)={@loopback={0x0, 0x1}, 0x18, r4}) fcntl$getownex(r3, 0x10, &(0x7f0000000340)) r5 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x200010) socketpair(0x0, 0x5, 0x7fffffff, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_DISABLE(r5, 0x2401, 0x9) ioctl$FUSE_DEV_IOC_CLONE(r5, 0x8004e500, &(0x7f0000000080)=r6) 2018/03/07 14:40:46 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) r1 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x4, &(0x7f0000000140)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) fchownat(r1, &(0x7f0000000080)='./file0\x00', r2, r3, 0x0) 2018/03/07 14:40:46 executing program 0: r0 = socket(0x10, 0x3, 0x4) sendmsg$nl_xfrm(r0, &(0x7f00009d3000)={&(0x7f0000c15000)={0x10}, 0xc, &(0x7f0000bd1ff0)={&(0x7f0000000080)=ANY=[@ANYBLOB="4c0000001200db4d0000000000000000ffffffff0000000000000000000000000000000000000000240008591d0008000000150069cc8910cf7a5164ef891111a0edabf37c1fd93a0d000000f32af358b4eeb982da01cb81bfbf9ff3198904237e107b5a39589ccb277221c5698907e9d74170898aff25fc7f70871c1a3ad26ffb7df6d899e55bb6d9b31ed72813ee"], 0x1}, 0x1}, 0x0) r1 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000140)='/selinux/checkreqprot\x00', 0x2, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000040)=0x6) [ 73.239796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.249147] ffff8801b46878a8 ffffffff81d956f9 1ffff100368d0f18 ffff8801b6ccb000 [ 73.257197] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b46879b8 [ 73.265225] ffffffff81451c92 024000c2b46878f8 0000000041b58ab3[ 73.270883] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 73.276771] ffffffff84195b35Call Trace: [ 73.280992] [] dump_stack+0xc1/0x128 [ 73.286345] [] warn_alloc+0x212/0x240 [ 73.291963] [] ? zone_watermark_ok_safe+0x280/0x280 [ 73.298619] [] ? avc_has_perm+0xb0/0x4f0 [ 73.304322] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 73.310806] [] __vmalloc_node_range+0x3f5/0x5f0 [ 73.317117] [] ? check_preemption_disabled+0x3b/0x200 [ 73.323948] [] ? task_has_security+0x130/0x270 [ 73.330171] [] vmalloc+0x5b/0x70 [ 73.335157] [] ? sel_write_load+0x130/0xfd0 [ 73.341100] [] sel_write_load+0x130/0xfd0 [ 73.346878] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 73.353780] [] ? futex_wake+0x146/0x440 [ 73.359373] [] ? sel_read_bool+0x250/0x250 [ 73.365228] [] ? sel_read_bool+0x250/0x250 [ 73.371084] [] __vfs_write+0x103/0x680 [ 73.376595] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 73.383057] [] ? __might_sleep+0x95/0x1a0 [ 73.388824] [] ? __lock_is_held+0xa1/0xf0 [ 73.394590] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 73.401400] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 73.407958] [] ? __sb_start_write+0x14a/0x310 [ 73.414083] [] vfs_write+0x189/0x530 [ 73.419420] [] SyS_pwrite64+0x13f/0x170 [ 73.425016] [] ? SyS_pread64+0x170/0x170 [ 73.430697] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 73.436830] [] sys32_pwrite+0x39/0x50 [ 73.442261] [] ? sys32_pread+0x50/0x50 [ 73.447775] [] do_fast_syscall_32+0x2f5/0x870 [ 73.453891] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.460526] [] entry_SYSENTER_compat+0x90/0xa2 [ 73.470041] Mem-Info: [ 73.472550] active_anon:53745 inactive_anon:44 isolated_anon:0 [ 73.472550] active_file:3496 inactive_file:8806 isolated_file:0 [ 73.472550] unevictable:0 dirty:211 writeback:0 unstable:0 [ 73.472550] slab_reclaimable:6926 slab_unreclaimable:59008 [ 73.472550] mapped:23803 shmem:51 pagetables:607 bounce:0 [ 73.472550] free:1475474 free_pcp:488 free_cma:0 [ 73.507356] Node 0 active_anon:214980kB inactive_anon:176kB active_file:13984kB inactive_file:35224kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:848kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 75776kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 73.537022] 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 [ 73.566365] lowmem_reserve[]: 0 2908 6410 6410 [ 73.571602] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 73.602651] lowmem_reserve[]: 0 0 3501 3501 [ 73.607633] Normal free:2906564kB min:36824kB low:46028kB high:55232kB active_anon:214984kB inactive_anon:176kB active_file:13984kB inactive_file:35236kB unevictable:0kB writepending:860kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27696kB slab_unreclaimable:235640kB kernel_stack:5440kB pagetables:2432kB bounce:0kB free_pcp:1140kB local_pcp:528kB free_cma:0kB [ 73.641471] lowmem_reserve[]: 0 0 0 0 [ 73.645831] 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 [ 73.661157] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 73.678386] Normal: 107*4kB (UME) 11*8kB (UME) 84*16kB (UME) 79*32kB (UME) 204*64kB (UME) 27*128kB (UME) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 699*4096kB (M) = 2906532kB [ 73.697842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 73.706400] 12357 total pagecache pages [ 73.710545] 0 pages in swap cache [ 73.713978] Swap cache stats: add 0, delete 0, find 0/0 [ 73.719334] Free swap = 0kB [ 73.722327] Total swap = 0kB [ 73.725314] 1965969 pages RAM [ 73.728422] 0 pages HighMem/MovableOnly [ 73.732371] 320510 pages reserved [ 73.735831] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 73.745782] CPU: 0 PID: 9282 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 73.753282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.762605] ffff8801b40e78a8 ffffffff81d956f9 1ffff1003681cf18 ffff8801b4d2e000 [ 73.770570] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b40e79b8 [ 73.778542] ffffffff81451c92 024000c2b40e78f8 0000000041b58ab3 ffffffff84195b35 [ 73.786500] Call Trace: [ 73.789058] [] dump_stack+0xc1/0x128 [ 73.794390] [] warn_alloc+0x212/0x240 [ 73.799809] [] ? zone_watermark_ok_safe+0x280/0x280 [ 73.806446] [] ? avc_has_perm+0xb0/0x4f0 [ 73.812125] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 73.818589] [] __vmalloc_node_range+0x3f5/0x5f0 [ 73.824877] [] ? check_preemption_disabled+0x3b/0x200 [ 73.831685] [] ? task_has_security+0x130/0x270 [ 73.837884] [] vmalloc+0x5b/0x70 [ 73.842869] [] ? sel_write_load+0x130/0xfd0 [ 73.848805] [] sel_write_load+0x130/0xfd0 [ 73.854569] [] ? sel_read_bool+0x250/0x250 [ 73.860426] [] ? sel_read_bool+0x250/0x250 [ 73.866277] [] __vfs_write+0x103/0x680 [ 73.871786] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 73.878249] [] ? __might_sleep+0x95/0x1a0 [ 73.884020] [] ? __lock_is_held+0xa1/0xf0 [ 73.889787] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 73.896592] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 73.903141] [] ? __sb_start_write+0x14a/0x310 [ 73.909255] [] vfs_write+0x189/0x530 [ 73.914585] [] SyS_pwrite64+0x13f/0x170 [ 73.920176] [] ? SyS_pread64+0x170/0x170 [ 73.925857] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 73.932411] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 73.938528] [] sys32_pwrite+0x39/0x50 [ 73.943945] [] ? sys32_pread+0x50/0x50 [ 73.949453] [] do_fast_syscall_32+0x2f5/0x870 [ 73.955565] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.962200] [] entry_SYSENTER_compat+0x90/0xa2 [ 73.969313] Mem-Info: [ 73.971743] active_anon:53746 inactive_anon:44 isolated_anon:0 [ 73.971743] active_file:3496 inactive_file:8809 isolated_file:0 [ 73.971743] unevictable:0 dirty:219 writeback:0 unstable:0 [ 73.971743] slab_reclaimable:6925 slab_unreclaimable:58910 [ 73.971743] mapped:23803 shmem:51 pagetables:608 bounce:0 [ 73.971743] free:1475573 free_pcp:505 free_cma:0 [ 74.005565] Node 0 active_anon:214984kB inactive_anon:176kB active_file:13984kB inactive_file:35236kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95212kB dirty:876kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 74.035374] 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 [ 74.064705] lowmem_reserve[]: 0 2908 6410 6410 [ 74.070198] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 74.101138] lowmem_reserve[]: 0 0 3501 3501 [ 74.106027] Normal free:2906424kB min:36824kB low:46028kB high:55232kB active_anon:214984kB inactive_anon:176kB active_file:13984kB inactive_file:35236kB unevictable:0kB writepending:884kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27704kB slab_unreclaimable:235656kB kernel_stack:5408kB pagetables:2432kB bounce:0kB free_pcp:1236kB local_pcp:732kB free_cma:0kB [ 74.140298] lowmem_reserve[]: 0 0 0 0 [ 74.144643] 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 [ 74.159897] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 74.177054] Normal: 106*4kB (UM) 10*8kB (UM) 80*16kB (UM) 78*32kB (UME) 204*64kB (UME) 27*128kB (UME) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 699*4096kB (M) = 2906424kB 2018/03/07 14:40:47 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/status\x00', 0x0, 0x0) getsockopt$ARPT_SO_GET_INFO(r1, 0x0, 0x60, &(0x7f0000000040)={'filter\x00'}, &(0x7f00000000c0)=0x44) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r1, 0x84, 0x7c, &(0x7f0000000100)={0x0, 0xffffffff, 0x6}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_KEY(r1, 0x84, 0x17, &(0x7f0000000180)={r2, 0x1, 0x1000, "1afef0e2c4ef6a36dfe57a10b1f43e344e2c405990466838a4c1a6b5aae703388e641f55e1bb4ad2fbcfb9822c9da23161cf9fdd89758aa3201afdb4844c89b70d9bfd4fd76a894b66c6858d448b27dc94fb5198240176b08985bd3c8f00669a70ece3e4ba485e6295982822ddbbe8ea3a40debac4670ac02be49136fb90eb428544f4bb2620227067df8a95158e4d0752d8627558d8340d7ed261819eda0916d226f8c4418d0f32591300f51d2e2f11b555fe443e09d21355d941518d0d40c27ff875b69b389f7bbe31ec9b6ba1eb1270877a41a9ee52cbb2532bcbdc860f3f8777c0e63ae4511eccb57c5cf7a02624da53f28ae160e95a953417d187e7dac8da3808173ddc0ce12541b83e1a96a5a92cd93b1d11dd02130086d0c69299fc76fe6553382b16a92c26fd8dd9565f57830ae3355fbfd3102966a58c4579e0fe9937a4c1d1ae7c45cb6a54976ea8b49a317c8d6899a2629921289239ca2d7edc316a8aed55179450c2649d1cba0f09e75b5dcd4574374766b28c8466de53f937386dadae2607dacef7464ce23f2f9e3bfe0ad833ce088143d85d8720c63576ac45239330f6aa369e37a40ba40462f344f16d3b0334ad21983f57e6a977a8a62a9631f5001bd56afcb26acb8cc9f406a2fe54bc7cb0cc2f5fe53539786c988861a45802b89506c9dffe5436092899bbe8019a2e54bf76de903765e622e661424c32e08e79bb533af7eec085e2408fec41c4b8f77ac84b6365b0303a0a88d686f1f6f91c4662ccf3b4b4bcc0a454a40793f2eef414b893f9d612d6a8554bdfec14a497ed554efc7cd240716a90025922e608f7423c7fe2391e4229bf2894df2e6bb42f6c702c890d987806a3a2ebbe6bb32a5eabe47e9c7fccf5840b53c6a2124175c07c23262f811a61824507927bf52a99080c8a379b917eef114300678bb856499908280b3892cdaa9fe31464515c524041742b55f720e728bc62473405c88db5dd5020bd7c0c842dd87f098632919064d610b0c483e02b2897fb018859df4927424878a3d0eea0c7c4c0ce8efbe68fb47dbb77106e3bd65ed1b6b8a802a3d2ba2793f3964c8510ea4b66dc401491530188dfd3b7c4254d4cc701d76f4dd0aec1bc2dad1601eadf23e21dd57529c199617e735def501ebe6608e88c80dbb4471b69aedb4e9ce517a3c853054ceb0611eff88a7737aee6d76774893c17e934eac1410059795bee1b4484e1fd432b84d8988e6a8a810a8b2099ffd7693584bbe2b190b1e30f9445abf3f312e4a925f9954b58f6dce2fa3faa80070e8b8173798f623dc9de39b3e15ce944a9b2a81b26e9d2d602a1cb6dd2b3f53cd9ad42e32e8ebdcb2fca42e948e34bc5d81d573dec23eb8323c55705e2be10b13e5d5c806acafe128436b79f51d77174793b312695de54007616802414c7fe4ee5870404a72bb347aeb221470c727b6975ba1a9b47943ff62bc7a0b8e4c567d1f4dd85e73e2784f788faa922c0d7b71853cacb76f0cf027d39dd7a4660d0145c5a8a6efd8b66f263360964b8301d139d1110253cc3b5e14abe6d512d2d1c7d89eb39678e3739f17d7145ca71a5d497ec57cacb042bf8a2b8bcc8a5ddc19f4c7e8e69d4c91c7bd1b4d5cc5674bf3fdd5aa32c0d3c18aed0a5a46977096b58829c485dc4963a9d2d39ae44d95fcc801cea9711e5a35a8187a47949c173d12485a86c3d91d787db193e462f2ad9064aba98dfc56cad9658ec69afad66c1b63e6856199fbf697f62e468a649f5d91f444056b9d1d852aa03d30b9cbbd2481e41e9b574e0c6e97dde775c29824f12f2bf67e16349d96157e86d277204a9422e352fddb1aabfe329fc719016e843ad3c129de6da7b101678a3fd94a74d7d894de96fb319db24abbf17114af6ddae68e62795d52be985548d3fe4aedb47779f8f8eefc955b912c80e7ddd743d55b9d63d1767e3662c4ef8e139c1d0512909f0bef29b98c4c6189cb2ecb5d065d2c98fbce4816a53049396637dfa4511c41d75332548c5e72407c18333187f81f3065c210e21d5a29449caa72995b7b0e6f2bf3633f4a527affa198e1bc387fef3a5b08e16a866a6af6916af1f6a83c8c73ab6f9a0499102144a289047e99e4cbf42ac6daa317a3bc3c5b8ffcabbda4589443584a04b4fe23a4551e10c409ce9d56fb4a5078592671dfcecd34fb47afef4ef21c6e7fb418fa52d07ef15b39cf2b5edf2267afb07fa08e7ac07148094556eee266b4dc4dc4437fb7ae176b582cb5eedcf60bf5de9ee4a02b989131788617702c330e4767a5c2fee2d8040869360fd8f84110af864847055595d4d73083cde0d9e9ca5e85cc0eb138c1f66304acbfa4ccac7760bef63903c086bb56aefaee0182a5fd141dcf4c1021efc55e1314f757c4d9347c25ad50c60ca77657dd7edd22034799e970c0f0923800499a707fc7a579894cd204b70f3b3261130d37f50a3d1664fda9437d07a79859281d33f501f3cf9f6d7fbedbd0f5162d760ed8d08c4c9ad05ef4679d8ff59ff562c03691e1ee811b5a18be360c7dda0d368b1bae6ab4941d82bb0f2d0f8f483c8ec8efba929cef66c8180da06fb53c460dc7e634a5877a3308ed014a6ba71660feb7c26de4a480d6aaca37dae1c8aa67db481513e9da70c104a74d2cab5347f98016f400ab089f48297c6d9c335914615ed68f9970a40beb940e8a90e44537e56cedd8af17f8b49b03a8cc3d7d1018c301dfbd798488399b3372a24cb883bfc1f7d0060cc5c48ff52f5a76cc57a16905ee104bd78c6150cdb82111814e8d56e4854dabb2ca7a95e4ce082fd385d0105bac56af831066a168b2f66e412888f6612c701395119328e4bd144e83c6310dd038cc7e5036d94701f3e9de211c5d1d596efe06e800e20ebbb26c5e90e21ca0128ebe3b44f11de1e44a946b2935be06bbb96f0afae8b5bd757819156a2390ea3a2326f57c2e3dfc797b61282ef5024e30c497acb238c05e44e61080bd76b727031cac6c1b0237fccaeb6fc86b7f46e6bb3be506b27ae524c1496dcdbefc6a208cf4d7b6d35fad250dc7dd8557ff13d815bc8895bae84fc6638b448e3b2f6f15b92d66333f9dfa5f7967416d0fbd34be202e5a0c6368618e4581120196fcd42c50f360561d7ce2079e4c86f049cb3a796d0e47464ba084b2617d3e79589694133bcbb5c169939454503343c43e94cea216bea1035f37dd0328d961fca744f90fa1b7cb6af196a44925f8dad38a93e820d33e5bd165b80ba27b7e29872ef728f483b14c7cd41a04399895332d4f231a2cf9bd0f3e02fa7aa72ec65f5b7a54681f29c8f1640527ff2abb1ecb962d11cbfa0257671bf76ffdcd59f92a3d09240b3fb44fad7828fec3a0ad495dbe10b306bc89d3533e4e09834346d39995d4d959442d46479371670ef2a77c489add4e34a6af45d48259603f13ed15c58df51d2b59e5dda2cd3b425282df408c8ef9d235c00460ffd417e41ed0fa33af2c5ed8579c9968437de64dd92292ecde3eacea44ddac77f77101261c2a210aaa2333a2ef9bc8339de0b6efac60467ff7df6d9dce798019a464e962583f67f90f81414ead81a3e66c2a97e77168469b7bbea52b04baf771bdc820c626a968707fa73b3c0cee0ee37a236dd708c96aac8faac5bc5e0d79d15cff374eaff8f7a0c516b31f4365c9405c924e69abd35a25349073f34ad94ba9dc9675a850d3e7cf5d4f5c5e2f9c22dec5b752c0b6ffc143c74b595641549ea24685791b0d7f530997ee902d63294b480e983f6beb678deb4eb2cb92e0050d9c41327c2714847ac091b2be7e387ec9c64b40b0876cb88f4e4df472f75b5c1e7d7a64f60b90a768efd149f5b0f948dca0cd0ad65fe0e9bc5a0c0a9b95cf02d87e7ef5f8cb629a6bf0ba9d2b070ac1c2743edac0ae4b19e20e9ff212477af55850d948c906a61ffb9afe22fecca387a6e65cd3f2d3c1c196b9660f3e85fcddaffde2df82f965b6f958ad12bb895765be67d7db4512cdb4e5ef70b96275a569fc5639b5c3e2896a46a915e84159df89d93fa2c692dba2f02c4b74f3ab71b15a246a53abca1b7cd4accc21dbe57cf2fc810704de3d29e186dcb2a2e7e3348f02da7ea03b6f6e73327deacaf632725ad505db2f1aaf8d44a6149636d701aa4a5cd64a761182aa031a3ddd46b91733b219ddfef0466a7b51df933656bec47a684ad620e242b0ae54c6a1a98b57187e370fabbbe5a353c9ac4de0b6ade20d0c6d832c3fef1b14599337bd45ffd0e3e4e9ec591011e05d07ce1a06b48b97eb6fadba179706884b0fc2283fb78c850f3da150c30b2e149b2b8975508819f805349cb7e896ba74c801a4bc0545d5b4e786228645f37bd92d5c1bf8a3d79749fcf056f3ddb5d8d8f1514cfecf8002a45c52117d9d9a36e0957052dfea3e7873761fd35fa37d948c38eb1b0af92bccc63258f355308084eb933b83b360287ad706ea37fa7e4edf35a453d34a074c59de13e0128de644920e026837dddefd9590a2808fc4a662da66694f764c46d9bce9f6550013ad22ecb48b3e8d6d4f627dcabc520cfdb3ba8575febb4f39aef085a31cf4168b19abe8451377ae160a78f4d4ad69d2d5b1e2416ebe61490f5778a53e0f6025a8cb2ac82e770fc111130c08cb63d3f9e7789a528e17718c48daa8674a0613ee778052e7b70fa7b841768dac0f8c5a99cfde4d6024102bc2f26521c21fa90e8d6958b5a180c4a8eb61160140615aa698fb04b4e964a48fe687f95e64b25107c229780c80a9874c7b3efd5f7224ebc74769ce66e30ff74b804e6ad861774029977a35f051975ffabcb1b45f3b0b4c2f26a353236017d508f28d1c0d3b36505e4fe652462a14487218b9297805cc43c94a1ed4200a65f09bd27e76f4d5d6fa721a590449396d420c4fa287bbcd585ba7af347e00dea6dff8033a29713e5337af5e9e04c888c29fd0421bec41e868d79bf6e0f9b9d747a386aa1c00d56f2747083ee8a0d10cf0ebf3075da58e5fb6d859ccfbf3414c5ad88a29fefe69b51fff15edc7d678e0bcf969512f7f21573bc46e5eb4a87295a855646e69eaf1d4c48db35a358bc3e0c3edcc79b3b90303cf2c1681a99947c0b5ea57d0a8a715d234563492e21b16a5467c62a9fd3c84e64021fec1d9c07e84cba94964bae689d481629d281a64fc7b7e2b70c0e0c684d066abdcd17010f06519a904b6b1f78a1422816eb56c96defc8d63f0f19654a3573826b7522d9c3b1f2b758560d8493c1c521e5536d7a90b009fe6536bbcacff685be6cdc1bdd6a8c562485d0738ce54720fa15f0cefb502ec61e263bb7362a448354d6f99ccecd3fe3d16631a496846100c48fa29ed359bc7e9afdb548909966611b7d6dcd54b8b376630524f4e375278460be86d6a2ed005c78955e769516c246161fc03a1726beedf7848a2f01004c4742fdaf9785080b7a91ff37a78d2dfd6822e50891c27cd229f2526dbc12c5e41133f41cf5cd4616647c5ab78f3a4afd14608502c1b8c6da4ccc7f8bb749593cefc640076422cb8359473618aeb38929960ebfc5d0667d5109ba9fe73360298a4796539463a25c27129b29465dcc347fb6ec91a59ba218043a11d5a78faf4c965a84ff8d0ca2a2cd4a667e0b46e37cb61082955cf054e8c0af7eb76a1c6951e66b8757e4807ae2830255cf50ecb98095fbe3ed7f26003252ac16ad4e0c7709dda98938d55ec0306f846af3f2c43b16e0263c59308fe0d3001c8758259db7def7d5083c23fd11e74e879628004c70a04aad3fdbb1ceb6afd86d"}, 0x1008) sendmsg$nl_generic(r0, &(0x7f00009f2000)={&(0x7f000007cff4)={0x10}, 0xc, &(0x7f00009f5000)={&(0x7f00008bc000)={0x2c, 0x13, 0x2ff, 0x0, 0x0, {}, [@typed={0xc, 0x0, @fd}, @nested={0xc, 0x3, [@typed={0x8}]}]}, 0x2c}, 0x1}, 0x0) 2018/03/07 14:40:47 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) connect$inet(r0, &(0x7f0000000000)={0x2, 0x4e20, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) iopl(0x6) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:47 executing program 6: r0 = syz_open_dev$sg(&(0x7f0000265ff7)='/dev/sg#\x00', 0x0, 0x2) write$tun(r0, &(0x7f0000000100)=ANY=[], 0x0) write(r0, &(0x7f0000000180)="4f84e30c86265b4ccbba164e1bb70ee9e70163846f41e589ae13095204cf409ae5877a149fa64e9a98df2041f865daabb2f0b0ffb7be7d8bd051660d8be2579e9abc84e54067878286601f0145dacee8c95fda626ed732ca8f188d30a99eb5fb4f9f0acb1c40f7b0ee8b2e5b6c24c602e5e3f7a95fdceea6ada94ae712f8149f24d191473d0bfb8dacb89c698290079fe9fcf3de240beba8734147a7ca69fe9baaaf7e3a37f38cae77d2eb2ee282b6c89cbb8e1a3ad44c7c908379e0b6c183a96c5d76c6c5b5024874546dd19773550b703a67f700421552595755493795", 0xde) ioctl(r0, 0x40000000002286, &(0x7f0000000000)) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r0, 0x40605346, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x3, 0x1977, 0x3, 0xc6b}}) ioctl$TCSETAW(r0, 0x5407, &(0x7f0000000140)={0x40000000000, 0x8, 0x1f, 0x6c3b37d5, 0xfffffffffffffe01, 0x0, 0x6, 0x8, 0x3ff, 0x800}) socketpair(0xa, 0x8000f, 0x1, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$l2tp_PPPOL2TP_SO_SENDSEQ(r1, 0x111, 0x3, 0x1, 0x4) 2018/03/07 14:40:47 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0xfffffffffffffe58) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000200)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f0000000300)=0x3, 0x347) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r2, 0x403c5404, &(0x7f0000000180)={{0x0, 0x1, 0x5}, 0x9df0, 0x22a}) r3 = getpgrp(0x0) fcntl$lock(r0, 0x7, &(0x7f0000000000)={0x1, 0x2, 0x5, 0xfffffffffffffffd, r3}) 2018/03/07 14:40:47 executing program 4: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00003e0000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000040)={0x0, 0x7fffffff, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x905}) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000000)=0x0) ptrace$peekuser(0x3, r1, 0xdcb) r2 = syz_open_pts(r0, 0x0) read(r2, &(0x7f0000fd5f0f)=""/1, 0x1) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000fd0ffc)) syz_open_pts(r2, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000a27ff8)={0xffffffffffffffff}) dup2(r3, r0) 2018/03/07 14:40:47 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c0000001c00070f000000000000000007000000", @ANYRES32=0x0, @ANYBLOB="000016e0d7ee"], 0x1c}, 0x1}, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000080)=0x200, 0x4) 2018/03/07 14:40:47 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)) getgroups(0x4, &(0x7f0000000140)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) 2018/03/07 14:40:47 executing program 0: prctl$intptr(0x8, 0x7) r0 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000de2ff1)='/dev/sequencer\x00', 0x0, 0x0) ppoll(&(0x7f0000c50000)=[{r0}], 0x1, &(0x7f0000003000)={0x77359400}, &(0x7f0000302ff8), 0x8) ioctl$DRM_IOCTL_RES_CTX(r0, 0x5100, &(0x7f000000b000)={0x0, &(0x7f0000000000)=[]}) keyctl$join(0x1, &(0x7f0000000000)={0x73, 0x79, 0x7a, 0x2}) socket$inet6_icmp(0xa, 0x2, 0x3a) ioctl$TIOCGPGRP(r0, 0x540f, &(0x7f0000000040)) [ 74.196206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.205205] 12363 total pagecache pages [ 74.209346] 0 pages in swap cache [ 74.212777] Swap cache stats: add 0, delete 0, find 0/0 [ 74.218132] Free swap = 0kB [ 74.221124] Total swap = 0kB [ 74.224107] 1965969 pages RAM [ 74.227208] 0 pages HighMem/MovableOnly [ 74.231156] 320510 pages reserved [ 74.247230] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 74.248494] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 74.248504] CPU: 0 PID: 9304 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 74.248509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.248523] ffff8801b38a78a8 ffffffff81d956f9 1ffff10036714f18 ffff8801cde69800 [ 74.248534] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b38a79b8 [ 74.248546] ffffffff81451c92 024000c2b38a78f8 0000000041b58ab3 ffffffff84195b35 [ 74.248547] Call Trace: [ 74.248562] [] dump_stack+0xc1/0x128 [ 74.248571] [] warn_alloc+0x212/0x240 [ 74.248579] [] ? zone_watermark_ok_safe+0x280/0x280 [ 74.248587] [] ? avc_has_perm+0xb0/0x4f0 [ 74.248595] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 74.248604] [] __vmalloc_node_range+0x3f5/0x5f0 [ 74.248613] [] ? check_preemption_disabled+0x3b/0x200 [ 74.248620] [] ? task_has_security+0x130/0x270 [ 74.248628] [] vmalloc+0x5b/0x70 [ 74.248635] [] ? sel_write_load+0x130/0xfd0 [ 74.248642] [] sel_write_load+0x130/0xfd0 [ 74.248652] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 74.248659] [] ? futex_wake+0x146/0x440 [ 74.248666] [] ? sel_read_bool+0x250/0x250 [ 74.248674] [] ? sel_read_bool+0x250/0x250 [ 74.248682] [] __vfs_write+0x103/0x680 [ 74.248690] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 74.248698] [] ? __might_sleep+0x95/0x1a0 [ 74.248707] [] ? __lock_is_held+0xa1/0xf0 [ 74.248715] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 74.248722] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 74.248729] [] ? __sb_start_write+0x14a/0x310 [ 74.248736] [] vfs_write+0x189/0x530 [ 74.248744] [] SyS_pwrite64+0x13f/0x170 [ 74.248752] [] ? SyS_pread64+0x170/0x170 [ 74.248760] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 74.248767] [] sys32_pwrite+0x39/0x50 [ 74.248773] [] ? sys32_pread+0x50/0x50 [ 74.248781] [] do_fast_syscall_32+0x2f5/0x870 [ 74.248788] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.248796] [] entry_SYSENTER_compat+0x90/0xa2 [ 74.248799] Mem-Info: [ 74.248816] active_anon:56401 inactive_anon:44 isolated_anon:0 [ 74.248816] active_file:3496 inactive_file:8810 isolated_file:0 [ 74.248816] unevictable:0 dirty:222 writeback:0 unstable:0 [ 74.248816] slab_reclaimable:6926 slab_unreclaimable:58914 [ 74.248816] mapped:23793 shmem:51 pagetables:669 bounce:0 [ 74.248816] free:1472297 free_pcp:344 free_cma:0 [ 74.248831] Node 0 active_anon:225604kB inactive_anon:176kB active_file:13984kB inactive_file:35240kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95172kB dirty:888kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 74.248850] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 74.248881] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 74.249111] Normal free:2893336kB min:36824kB low:46028kB high:55232kB active_anon:225604kB inactive_anon:176kB active_file:13984kB inactive_file:35240kB unevictable:0kB writepending:888kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27704kB slab_unreclaimable:235656kB kernel_stack:5792kB pagetables:2676kB bounce:0kB free_pcp:604kB local_pcp:340kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 74.249299] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 44*4kB (UM) 1*8kB (M) 76*16kB (UME) 67*32kB (UME) 204*64kB (UME) 27*128kB (UME) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 697*4096kB (M) = 2893400kB [ 74.249410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.249412] 12363 total pagecache pages [ 74.249415] 0 pages in swap cache [ 74.249420] Swap cache stats: add 0, delete 0, find 0/0 [ 74.249422] Free swap = 0kB [ 74.249425] Total swap = 0kB [ 74.249428] 1965969 pages RAM [ 74.249430] 0 pages HighMem/MovableOnly [ 74.249433] 320510 pages reserved [ 74.251049] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 74.251056] CPU: 0 PID: 9304 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 74.251060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.251072] ffff8801b38a78a8 ffffffff81d956f9 1ffff10036714f18 ffff8801cde69800 [ 74.251082] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b38a79b8 [ 74.251092] ffffffff81451c92 024000c2b38a78f8 0000000041b58ab3 ffffffff84195b35 [ 74.251093] Call Trace: [ 74.251103] [] dump_stack+0xc1/0x128 [ 74.251111] [] warn_alloc+0x212/0x240 [ 74.251118] [] ? zone_watermark_ok_safe+0x280/0x280 [ 74.251126] [] ? avc_has_perm+0xb0/0x4f0 [ 74.251135] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 74.251143] [] __vmalloc_node_range+0x3f5/0x5f0 [ 74.251153] [] ? check_preemption_disabled+0x3b/0x200 [ 74.251160] [] ? task_has_security+0x130/0x270 [ 74.251168] [] vmalloc+0x5b/0x70 [ 74.251175] [] ? sel_write_load+0x130/0xfd0 [ 74.251181] [] sel_write_load+0x130/0xfd0 [ 74.251191] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 74.251197] [] ? futex_wake+0x146/0x440 [ 74.251204] [] ? sel_read_bool+0x250/0x250 [ 74.251212] [] ? sel_read_bool+0x250/0x250 [ 74.251219] [] __vfs_write+0x103/0x680 [ 74.251226] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 74.251233] [] ? __might_sleep+0x95/0x1a0 [ 74.251241] [] ? __lock_is_held+0xa1/0xf0 [ 74.251249] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 74.251256] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 74.251263] [] ? __sb_start_write+0x14a/0x310 [ 74.251270] [] vfs_write+0x189/0x530 [ 74.251278] [] SyS_pwrite64+0x13f/0x170 [ 74.251285] [] ? SyS_pread64+0x170/0x170 [ 74.251292] [] sys32_pwrite+0x39/0x50 [ 74.251298] [] ? sys32_pread+0x50/0x50 [ 74.251305] [] do_fast_syscall_32+0x2f5/0x870 [ 74.251312] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.251319] [] entry_SYSENTER_compat+0x90/0xa2 [ 74.251323] Mem-Info: [ 74.251402] active_anon:56922 inactive_anon:44 isolated_anon:0 [ 74.251402] active_file:3496 inactive_file:8810 isolated_file:0 [ 74.251402] unevictable:0 dirty:222 writeback:0 unstable:0 [ 74.251402] slab_reclaimable:6926 slab_unreclaimable:58914 [ 74.251402] mapped:23793 shmem:51 pagetables:669 bounce:0 [ 74.251402] free:1471801 free_pcp:342 free_cma:0 [ 74.251483] Node 0 active_anon:227688kB inactive_anon:176kB active_file:13984kB inactive_file:35240kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95172kB dirty:888kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 74.251499] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 74.251525] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 74.251551] Normal free:2891352kB min:36824kB low:46028kB high:55232kB active_anon:227688kB inactive_anon:176kB active_file:13984kB inactive_file:35240kB unevictable:0kB writepending:888kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27704kB slab_unreclaimable:235656kB kernel_stack:5824kB pagetables:2676kB bounce:0kB free_pcp:596kB local_pcp:332kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 74.251599] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 44*4kB (UM) 1*8kB (M) 76*16kB (UME) 66*32kB (UME) 204*64kB (UME) 27*128kB (UME) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 697*4096kB (M) = 2891320kB [ 74.251691] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.251694] 12363 total pagecache pages [ 74.251697] 0 pages in swap cache [ 74.251701] Swap cache stats: add 0, delete 0, find 0/0 [ 74.251703] Free swap = 0kB 2018/03/07 14:40:48 executing program 7: r0 = syz_open_dev$sndseq(&(0x7f0000ae1000)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a45320, &(0x7f0000aef9f9)={{0x80, 0x40}, "706f7274310000004000000000000000000000d600fffffff00000000000000000000000000000000000000700", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}) ioctl$SNDRV_SEQ_IOCTL_CREATE_PORT(r0, 0xc0a45320, &(0x7f0000dccf58)={{0x80}, 'port0\x00'}) setns(r0, 0x0) 2018/03/07 14:40:48 executing program 3: pkey_alloc(0x0, 0x3) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:48 executing program 6: getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000000c0)={{{@in=@broadcast, @in=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@remote}}, &(0x7f00000001c0)=0xe8) getgroups(0x2, &(0x7f0000000200)=[0x0, 0xffffffffffffffff]) chown(&(0x7f0000000080)='./file0/bus\x00', r0, r1) mkdir(&(0x7f0000027000)='./file0\x00', 0x0) mount(&(0x7f0000018000)='./file0\x00', &(0x7f000001c000)='./file0\x00', &(0x7f0000018ffa)='ramfs\x00', 0x0, &(0x7f000000a000)) mount(&(0x7f0000033ff4)='./file0/bus\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000040)="0005006c16855a170ed585165122171f8abee7b0f9a29575901e95", 0x7ffbf, &(0x7f0000032000)) rmdir(&(0x7f0000000000)='./file0/bus\x00') 2018/03/07 14:40:48 executing program 2: r0 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000280)='/dev/keychord\x00', 0x80, 0x0) accept4(r0, &(0x7f00000002c0)=@in6={0x0, 0x0, 0x0, @empty}, &(0x7f0000000340)=0x80, 0x80000) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/policy\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(r1, 0x84, 0x15, &(0x7f0000000200)={0x2}, 0x1) r2 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r2, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r3}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:48 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000001180)='mountstats\x00') pread64(r0, &(0x7f0000000100)=""/4096, 0x1000, 0x0) sync() pread64(r0, &(0x7f0000000000)=""/8, 0xf2463ae819d2026c, 0x0) ioctl$SNDRV_TIMER_IOCTL_START(r0, 0x54a0) 2018/03/07 14:40:48 executing program 0: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f0000ff5ffc)={0x0, 0xffffffffffffffff}, 0x4) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x48080, 0x0) ioctl$EVIOCGBITSW(r1, 0x80404525, &(0x7f0000000080)=""/149) syz_open_dev$sndseq(&(0x7f0000000000)='/dev/snd/seq\x00', 0x0, 0x2f8080) 2018/03/07 14:40:48 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c0000001c00070f000100000000000007000000", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0x1c}, 0x1}, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x10002, 0x0) r2 = getpgrp(0xffffffffffffffff) stat(&(0x7f0000000480)='./file0\x00', &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x0, 0x0}) fstat(r0, &(0x7f0000000540)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r5 = getpgid(0xffffffffffffffff) r6 = geteuid() getgroups(0x7, &(0x7f00000005c0)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0x0]) socketpair$inet_icmp(0x2, 0x2, 0x1, &(0x7f0000000600)={0xffffffffffffffff}) r9 = getpid() getresuid(&(0x7f0000000640), &(0x7f0000000680), &(0x7f00000006c0)=0x0) r11 = getgid() sendmsg$unix(r1, &(0x7f0000000780)={&(0x7f0000000080)=@abs={0x0, 0x0, 0x4e23}, 0x6e, &(0x7f00000001c0)=[{&(0x7f0000000280)="e2c0ebc2ffa0c4a7a0c9be6b1e351874164f5a7fabf73eed7f4329c20b0e8d8769f2e3c06b5e359da93b4617afb09fc19d224ad13c99692731946fb5b15c35b6c852aed36e8a32bcb19c48aa24253a59e97fade3d5db97f9d150a5bcabd92cee0ed969ce6c7abfee0b4bade3f0261b85c61e3a452f87067b35ebe33b6859d295df80cf292d5d027b60be3c026c6a1f43990496afadcbb5da78b04d069d361d4f7b2ebfba18e4b458a7c31b61f4a2d19fd278e8f708b861dffe04f7d3a760ba977ec8357d057140819881f4632aa13c7c02bf2b97b58db7af4f95dee49b83cba1d8f5c2a81587f51c7015a21658b4009ab30f6a50ba02e6468b25", 0xfa}, {&(0x7f0000000100)="4ba8985e9f3d14c3483c190995f84a4a2b26799c66bbda9f55cf0d267e6c7bce0c49ad9e52c2ff3a270d38ec2591ebbc720fb95e1200f2b77fcdb7ece8a7909644b96ad388af5bead568280bb47fda2ef3cc5c7c5c19c493e372947668fb014ce3e41a5221351d3d9c05570cbdd0", 0x6e}, {&(0x7f0000000380)="dcf5951cf5bf698c8636e356094d5aafbed219bcef0e66f70aa84b2490053e091c6d7d462c70910b515d5b1ff4c0a46aa1ff465c9f0973adf2bee7614d69df31e76733c573ae3dd52bd9c5faed56900e25", 0x51}, {&(0x7f0000000400)="e43f59c941f1a97ff42c574accb5fd466eca02798b03a693119b0e041f7a16c81564792aebfbb3c127b5cb32a87e577a409a69a3ab2dd9c7670621f5eb2cccd858", 0x41}], 0x4, &(0x7f0000000700)=[@cred={0x18, 0x1, 0x2, r2, r3, r4}, @cred={0x18, 0x1, 0x2, r5, r6, r7}, @rights={0x30, 0x1, 0x1, [r0, r0, r8, r0, r0, r0, r0, r0, r0]}, @cred={0x18, 0x1, 0x2, r9, r10, r11}], 0x78, 0x4000004}, 0x8000) 2018/03/07 14:40:48 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)) getgroups(0x4, &(0x7f0000000140)=[0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) [ 74.251705] Total swap = 0kB [ 74.251707] 1965969 pages RAM [ 74.251709] 0 pages HighMem/MovableOnly [ 74.251711] 320510 pages reserved [ 74.255297] sg_write: data in/out 1281042018/170 bytes for SCSI command 0x9f-- guessing data in; [ 74.255297] program syz-executor6 not setting count and/or reply_len properly [ 75.247749] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex 2018/03/07 14:40:48 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:48 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) socket$inet(0x2, 0x0, 0x0) r1 = openat$selinux_mls(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/mls\x00', 0x0, 0x0) symlinkat(&(0x7f0000000080)='./file0\x00', r1, &(0x7f0000000100)='./file0\x00') setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) finit_module(r1, &(0x7f0000000140)='*%%\x00', 0x0) setsockopt$inet_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000040)='tls\x00', 0x4) socket$l2tp(0x18, 0x1, 0x1) [ 75.278553] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 75.301253] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 75.314361] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 75.328586] CPU: 0 PID: 9347 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 75.336122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.345463] ffff8801bb9778a8 ffffffff81d956f9 1ffff1003772ef18 ffff8801c9c28000 [ 75.353472] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801bb9779b8 [ 75.361463] ffffffff81451c92 024000c2bb9778f8 0000000041b58ab3 ffffffff84195b35 [ 75.369434] Call Trace: [ 75.371997] [] dump_stack+0xc1/0x128 [ 75.377332] [] warn_alloc+0x212/0x240 [ 75.382753] [] ? zone_watermark_ok_safe+0x280/0x280 [ 75.389393] [] ? avc_has_perm+0xb0/0x4f0 [ 75.395076] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 75.401538] [] __vmalloc_node_range+0x3f5/0x5f0 [ 75.407829] [] ? check_preemption_disabled+0x3b/0x200 [ 75.414641] [] ? task_has_security+0x130/0x270 [ 75.420844] [] vmalloc+0x5b/0x70 [ 75.425829] [] ? sel_write_load+0x130/0xfd0 [ 75.431769] [] sel_write_load+0x130/0xfd0 [ 75.437538] [] ? sel_read_bool+0x250/0x250 [ 75.443400] [] ? sel_read_bool+0x250/0x250 [ 75.449262] [] __vfs_write+0x103/0x680 [ 75.454773] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 75.461235] [] ? __might_sleep+0x95/0x1a0 [ 75.467005] [] ? __lock_is_held+0xa1/0xf0 [ 75.472779] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 75.479588] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 75.486136] [] ? __sb_start_write+0x14a/0x310 [ 75.492251] [] vfs_write+0x189/0x530 [ 75.497587] [] SyS_pwrite64+0x13f/0x170 [ 75.503183] [] ? SyS_pread64+0x170/0x170 [ 75.508874] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 75.515424] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 75.521541] [] sys32_pwrite+0x39/0x50 [ 75.526958] [] ? sys32_pread+0x50/0x50 [ 75.532464] [] do_fast_syscall_32+0x2f5/0x870 [ 75.538580] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.545216] [] entry_SYSENTER_compat+0x90/0xa2 [ 75.553879] Mem-Info: [ 75.556538] active_anon:54284 inactive_anon:44 isolated_anon:0 [ 75.556538] active_file:3498 inactive_file:8833 isolated_file:0 [ 75.556538] unevictable:0 dirty:2 writeback:4 unstable:0 [ 75.556538] slab_reclaimable:6942 slab_unreclaimable:59079 [ 75.556538] mapped:23810 shmem:51 pagetables:622 bounce:0 [ 75.556538] free:1474679 free_pcp:470 free_cma:0 [ 75.590573] Node 0 active_anon:217136kB inactive_anon:176kB active_file:13996kB inactive_file:35332kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95240kB dirty:8kB writeback:16kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 75.621373] 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 [ 75.651321] lowmem_reserve[]: 0 2908 6410 6410 [ 75.656554] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 75.687707] lowmem_reserve[]: 0 0 3501 3501 [ 75.692646] Normal free:2904812kB min:36824kB low:46028kB high:55232kB active_anon:214984kB inactive_anon:176kB active_file:13996kB inactive_file:35332kB unevictable:0kB writepending:32kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27788kB slab_unreclaimable:236332kB kernel_stack:5536kB pagetables:2440kB bounce:0kB free_pcp:1372kB local_pcp:716kB free_cma:0kB [ 75.726490] lowmem_reserve[]: 0 0 0 0 [ 75.730896] 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 [ 75.746392] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 75.763665] Normal: 45*4kB (UME) 12*8kB (UME) 67*16kB (UME) 45*32kB (UME) 205*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 6*2048kB (UM) 698*4096kB (M) = 2904868kB [ 75.782971] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 75.791537] 12384 total pagecache pages [ 75.795488] 0 pages in swap cache [ 75.798931] Swap cache stats: add 0, delete 0, find 0/0 [ 75.804270] Free swap = 0kB [ 75.807282] Total swap = 0kB [ 75.810283] 1965969 pages RAM [ 75.813361] 0 pages HighMem/MovableOnly [ 75.817321] 320510 pages reserved [ 75.820904] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 75.830869] CPU: 1 PID: 9335 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 75.838373] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.847700] ffff8801c9e1f8a8 ffffffff81d956f9 1ffff100393c3f18 ffff8801b5991800 [ 75.855664] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c9e1f9b8 [ 75.863635] ffffffff81451c92 024000c2c9e1f8f8 0000000041b58ab3 ffffffff84195b35 [ 75.871612] Call Trace: [ 75.874171] [] dump_stack+0xc1/0x128 [ 75.879507] [] warn_alloc+0x212/0x240 [ 75.884924] [] ? zone_watermark_ok_safe+0x280/0x280 [ 75.891561] [] ? avc_has_perm+0xb0/0x4f0 [ 75.897242] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 75.903703] [] __vmalloc_node_range+0x3f5/0x5f0 [ 75.909992] [] ? check_preemption_disabled+0x3b/0x200 [ 75.916804] [] ? task_has_security+0x130/0x270 [ 75.923010] [] vmalloc+0x5b/0x70 [ 75.927994] [] ? sel_write_load+0x130/0xfd0 [ 75.933935] [] sel_write_load+0x130/0xfd0 [ 75.939700] [] ? sel_read_bool+0x250/0x250 [ 75.945553] [] ? __fget+0x20a/0x3b0 [ 75.950798] [] ? sel_read_bool+0x250/0x250 [ 75.956649] [] __vfs_write+0x103/0x680 [ 75.962154] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 75.968625] [] ? __might_sleep+0x95/0x1a0 [ 75.974412] [] ? __lock_is_held+0xa1/0xf0 [ 75.980190] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 75.987002] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 75.993552] [] ? __sb_start_write+0x14a/0x310 [ 75.999664] [] vfs_write+0x189/0x530 [ 76.004997] [] SyS_pwrite64+0x13f/0x170 [ 76.010591] [] ? SyS_pread64+0x170/0x170 [ 76.016281] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 76.022830] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 76.028946] [] sys32_pwrite+0x39/0x50 [ 76.034362] [] ? sys32_pread+0x50/0x50 [ 76.039867] [] do_fast_syscall_32+0x2f5/0x870 [ 76.045981] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.052618] [] entry_SYSENTER_compat+0x90/0xa2 [ 76.059125] Mem-Info: [ 76.061526] active_anon:53746 inactive_anon:44 isolated_anon:0 [ 76.061526] active_file:3499 inactive_file:8833 isolated_file:0 [ 76.061526] unevictable:0 dirty:13 writeback:0 unstable:0 [ 76.061526] slab_reclaimable:6951 slab_unreclaimable:59090 [ 76.061526] mapped:23804 shmem:51 pagetables:610 bounce:0 [ 76.061526] free:1475184 free_pcp:525 free_cma:0 [ 76.094688] Node 0 active_anon:214984kB inactive_anon:176kB active_file:13996kB inactive_file:35332kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95216kB dirty:52kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 77824kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 76.123966] 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 [ 76.153320] lowmem_reserve[]: 0 2908 6410 6410 [ 76.158499] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 76.189561] lowmem_reserve[]: 0 0 3501 3501 [ 76.194457] Normal free:2904884kB min:36824kB low:46028kB high:55232kB active_anon:214984kB inactive_anon:176kB active_file:13996kB inactive_file:35332kB unevictable:0kB writepending:56kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27804kB slab_unreclaimable:236360kB kernel_stack:5408kB pagetables:2440kB bounce:0kB free_pcp:1324kB local_pcp:716kB free_cma:0kB [ 76.228210] lowmem_reserve[]: 0 0 0 0 [ 76.232582] 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 [ 76.247853] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB 2018/03/07 14:40:49 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) 2018/03/07 14:40:49 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000237fee)='/dev/input/event#\x00', 0x2, 0x28001) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)) write$evdev(r0, &(0x7f0000f15fd0)=[{{}, 0x1, 0x63, 0x2}, {}], 0x30) sendto$ax25(0xffffffffffffffff, &(0x7f0000000180), 0x0, 0x0, &(0x7f0000000280)={0x3, {"f3188443fca10e"}}, 0x10) chmod(&(0x7f0000000140)='./file0\x00', 0x169) 2018/03/07 14:40:49 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sysinfo(&(0x7f0000000040)=""/80) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:49 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @empty}, 0xc) 2018/03/07 14:40:49 executing program 6: r0 = getpid() r1 = gettid() socketpair$unix(0x1, 0x5, 0x0, &(0x7f000053b000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r2, 0x5452, &(0x7f0000008ff8)=0x3f) fcntl$setown(r3, 0x8, r0) flistxattr(r3, &(0x7f0000000000)=""/93, 0x5d) fcntl$setsig(r2, 0xa, 0x12) poll(&(0x7f0000951000)=[{r3}], 0x1, 0x3a2f00) socket$inet6(0xa, 0x6, 0x100000001) dup3(r2, r3, 0x0) tkill(r1, 0x16) restart_syscall() 2018/03/07 14:40:49 executing program 4: r0 = socket$inet6_icmp(0xa, 0x2, 0x3a) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000100)={0x2, {{0xa, 0x4e21, 0x8, @mcast1={0xff, 0x1, [], 0x1}, 0x299f}}}, 0x84) r1 = socket$inet6(0xa, 0x2, 0x0) sendmmsg(r1, &(0x7f0000001d80)=[{{&(0x7f0000000080)=@pptp={0x18, 0x2, {0x3, @empty}}, 0x80, &(0x7f0000000040)=[], 0x0, &(0x7f0000000b00)=ANY=[@ANYBLOB="a40000000c0100002000000052023af9792a0ed618ac2c96431a472de88f7502f91b71103505d211e68213ba9a98aa5da030032c57dfdbe8da57650fc9d22ff37bacb3260802b3b8ee2f5cf0af24fc503de64886874dbd2a065bd051362053c07368979067396de57bbc181659b581d0bc2d40c5e3703c127b2bc5f4d826a6027a39d79e8d11084a2000c202345ddcd122827aed099315887585bc371475b8244aa898ba500000001f0100000900000066e0c9314ccb24c708b1f54e29a408737a6a9d69664ef2e80b6a0b94c5af1c04baae38ba90429c3abf95fecab86b6d87ac3664270c6d3f5b05f00ad2ec566015e3d90000cc0000000901000000000100e2ae85c8cb2783b5aa32017a4444018063c3d6c4d84e1e3aadd7194ad500c1500213c032c00c76b6a6caa41f9761101fa6611071005cf804aa9825ce2315ba8a60381330a865d8d8029f8a018eeb1cad5906884208f026e02c4e773639d5d90143fe294131f693b4ff2117a65f08dc3697d5090b04f20cc9b8d6299e2171194a9def12feb3b42ba4bbb946bbddc38bb91d56c6259f0d46fd953bee73392f1fda15b3bf8432e2a856fd9f167a07d335f97de0dd394d736e301b596ca53e16f2020c0000000d01000002000000900000001d010000d1000000614002481889e71180579637e03d73d261711238b525c85aec8669d530849c6d8f1edc9c4f9bbc0ac16e515304fc02ecf3d647cc0a602c99d1634088c8155e9475253c613448a52e2798e502dd21f267f381ef8069a6680b67469cdd9ff62dea5a241ea8db3c0f4d189a109e7e26957e64474cd530e878c5e0f221dec907ad006b4a000004000000030100000200000059e6ca3974ce522b51d542ed5d8cd7cf474f0035d50bd65109e53e00dc00000009010000ffffffffba7ba01c69dd8f9c06fb20c80f8e0cb60666d17dce2853c5352cf12b9e9835805cc05d3a47d1f00caeb2cdf04c9a5b93a86215704572ba59eaed3470c55bbfe6ae30ec0bc77b354d7cba061bc72002f23ea2589d760f6c1a10de3cfb7aafe75384c27d35221dfd99f5dc526ef4b32bf6ab19abf28dbf2f6a8b9870610940751ed285bc6581e7872e897702495325a6f56750b26974c77a8cba6eaa945ddb0db17ae0eb9aefd9e8ca62577a01a8da5ed57a2d26e490b3d54ac34b8ce771e2844a7007f8c9462be1aba5f6a16cb7e7c7ff434dc315994251397c74fa45229ccd65a84b14c5533cb4a8cc31d04e5a784baf65192ff5f937a9db356045c3ec7af63cf8b24b191b2c710b2359c96bdf589a8dbac07e5a71832e75a31f88460639ceacd77cda7fd7360340cbf57daeead4a083f027385b9e122b4e9ac77af1dbfcdee7b9062bee1a118545af4a453a28ebfc407603b4fab5362200080100000b010000090000007b8a2523590d4cae80cf0eae9d60ee5c4f679434a4bccafac5d066eb84964e641333a17366e76145f4b138617be69b09dbaf8b7099b3d9f0572ff28ed1c5cfb6679fa5852256fbaaba100cee1385be4e34f284a42764737136c45be99e6b3d65a40bd0c973505577912b7e6b2075377e8411c016d392377509839e42eabf7ba6d9083501c1f88aacbb0f94687e3d845569b04bcdb035aacec26837820168042d5f86e504169f1f3378ca1869c65fbce8166fb066fda542e90f766639afce44b75806b3b4fb9fe03c4eb3c2f87582005940609937b8747a3bcfe7b2e34baceaa05cb4987c1084de71a3260c007c0000008800000000100000a4da0087120033ca95e25fbb13ee39b7a2c1d4bd3142f7658f16f4346471559724bd7cb451cf92eda2b6aaaf10406994d1bc69135a139e8a33b3a3eb4d09972f323d38a30523774a8bafa9897e6e8dd05767f5920b958e519a720c4f4c6a6e60d941c46215312b8cc8c93c73531f0000800000001d01000000000000cfdc50da095e06308424bbabc84e18acd429fe104f0541b222e01137a6904a8b96a1776b486a2a2b82c571c9d35810740664854067d15c918889fd3c57fb59174dba55ca725e06e1a8b6243041940965d175cc2e1ea83428b2ce03b0be3a5ec73643af2eab8733c01031f81a92809a4e1c000000"], 0x564, 0x4000000}}, {{&(0x7f00000001c0)=@in={0x2, 0x4e20, @rand_addr}, 0x80, &(0x7f0000001bc0)=[], 0x0, &(0x7f0000000040)=[{0xc, 0x118}], 0xc}, 0x1}], 0x2, 0x0) socket$inet6(0xa, 0xb, 0x7ff) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x20000, 0x0) ioctl$DRM_IOCTL_AGP_ENABLE(r2, 0x40046432, &(0x7f0000000240)=0x8) ioctl$DRM_IOCTL_ADD_CTX(r2, 0xc0086420, &(0x7f0000000280)={0x0}) ioctl$DRM_IOCTL_RM_CTX(r2, 0xc0086421, &(0x7f00000002c0)={r3, 0x2}) 2018/03/07 14:40:49 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = pkey_alloc(0x0, 0x1) pkey_free(r2) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:49 executing program 0: r0 = socket(0x10, 0x802, 0x0) r1 = add_key(&(0x7f0000000140)='pkcs7_test\x00', &(0x7f0000000180)={0x73, 0x79, 0x7a, 0x2}, &(0x7f00000001c0)="b7f59733ed51ef3442a44b90466ae52d31dccc54778f07cea11346e4d1d57b49367714117b08c3572f9bea7bf5c50ab097dfc9d57b1110740aa37a464a09742f02cb685c11f9dbb6a9ab17d867e57c924f816c7d7ab4cb9d30c6afbbcef1c2bd262f7afb5df9bac3a529705b831975c5cfa2ed18f1dfdc512dc26c029e1e088df6784b77e29a5eedafb4dac625971b81bc", 0x91, 0xfffffffffffffffd) socketpair$inet6_sctp(0xa, 0x5, 0x84, &(0x7f0000000280)) acct(0x0) add_key(&(0x7f0000000000)='blacklist\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x3}, &(0x7f0000000080)="874c8325905b8b4d2b1961a3ae99c9f9bd8cb62666806bac4bc4e43334cadf23106c24c2536979c265255305221f72f972efdc2a23d428135018849dd2cda12729f5947c7ce1d1ef1da2c0118e0f7c78837040a94c4b03049ec10140c3a46be464a99bdf545ac2937975dac317990cf20328a332bee0d83af5c77972d361a813067eea8d27de3b31216dc8af7cf275e7e51b00a6a94bb75c7243a4bdb5", 0x9d, r1) write(r0, &(0x7f0000c05000)="240000001a0025f0006bb404feff001c020b49ff6e10b500000700eb0800030001000000", 0x24) [ 76.265030] Normal: 45*4kB (UME) 12*8kB (UME) 66*16kB (ME) 47*32kB (UME) 205*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 6*2048kB (UM) 698*4096kB (M) = 2904916kB [ 76.284206] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 76.292767] 12390 total pagecache pages [ 76.296713] 0 pages in swap cache [ 76.300334] Swap cache stats: add 0, delete 0, find 0/0 [ 76.305677] Free swap = 0kB [ 76.308681] Total swap = 0kB [ 76.311678] 1965969 pages RAM [ 76.314748] 0 pages HighMem/MovableOnly [ 76.318714] 320510 pages reserved 2018/03/07 14:40:49 executing program 3: r0 = socket$inet(0x2, 0x80000, 0x6) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r1 = openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_stats\x00', 0x0, 0x0) setsockopt$bt_BT_SECURITY(r1, 0x112, 0x4, &(0x7f0000000080)={0x20000000000, 0xfff}, 0x2) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 76.340112] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 76.354058] CPU: 0 PID: 9376 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 76.359600] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 76.367016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.376358] ffff8801cd26f8a8 ffffffff81d956f9 1ffff10039a4df18 ffff8801bba19800 [ 76.384399] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801cd26f9b8 [ 76.392454] ffffffff81451c92 024000c2cd26f8f8 0000000041b58ab3 ffffffff84195b35 [ 76.400481] Call Trace: [ 76.403057] [] dump_stack+0xc1/0x128 [ 76.408414] [] warn_alloc+0x212/0x240 [ 76.413857] [] ? zone_watermark_ok_safe+0x280/0x280 [ 76.420513] [] ? avc_has_perm+0xb0/0x4f0 [ 76.426229] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 76.432719] [] __vmalloc_node_range+0x3f5/0x5f0 2018/03/07 14:40:49 executing program 5: r0 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f00000003c0)='/selinux/policy\x00', 0x0, 0x0) getsockopt$inet_tcp_int(r0, 0x6, 0x14, &(0x7f0000000400), &(0x7f0000000440)=0x4) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = openat$selinux_status(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status\x00', 0x0, 0x0) getsockname(r1, &(0x7f0000000300)=@hci={0x0, 0x0}, &(0x7f00000001c0)=0x80) recvfrom$packet(r2, &(0x7f0000000080)=""/140, 0x8c, 0x40000000, &(0x7f0000000380)={0x11, 0x5, r3, 0x1, 0x78, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x14) sendmsg$nl_route(r1, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:49 executing program 4: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce\x00', 0x101000, 0x0) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:49 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:49 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) socket$inet(0x2, 0x7, 0x7) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:50 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0x0, 0x0}) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x1) ioctl$EVIOCGEFFECTS(r1, 0x80044584, &(0x7f0000000080)=""/68) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000009ff8), &(0x7f0000000ffc)=0x3) sendmmsg(r0, &(0x7f0000008600)=[{{0x0, 0x0, &(0x7f0000003140)=[]}}, {{&(0x7f00000072c0)=@un=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000000300)=[], 0x1b5, &(0x7f0000000600)=[]}}], 0x2, 0x0) [ 76.439032] [] ? check_preemption_disabled+0x3b/0x200 [ 76.445864] [] ? task_has_security+0x130/0x270 [ 76.452085] [] vmalloc+0x5b/0x70 [ 76.457093] [] ? sel_write_load+0x130/0xfd0 [ 76.463054] [] sel_write_load+0x130/0xfd0 [ 76.468849] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 76.475768] [] ? futex_wake+0x146/0x440 [ 76.481389] [] ? sel_read_bool+0x250/0x250 2018/03/07 14:40:50 executing program 1: write(0xffffffffffffffff, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) fstat(0xffffffffffffffff, &(0x7f00000000c0)) 2018/03/07 14:40:50 executing program 4: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000000)={0x0, 0x0}) r1 = creat(&(0x7f0000000040)='./file0\x00', 0x1) ioctl$EVIOCGEFFECTS(r1, 0x80044584, &(0x7f0000000080)=""/68) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000009ff8), &(0x7f0000000ffc)=0x3) sendmmsg(r0, &(0x7f0000008600)=[{{0x0, 0x0, &(0x7f0000003140)=[]}}, {{&(0x7f00000072c0)=@un=@file={0x1, './file0\x00'}, 0xa, &(0x7f0000000300)=[], 0x1b5, &(0x7f0000000600)=[]}}], 0x2, 0x0) [ 76.487271] [] ? sel_read_bool+0x250/0x250 [ 76.493146] [] __vfs_write+0x103/0x680 [ 76.498674] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 76.505157] [] ? __might_sleep+0x95/0x1a0 [ 76.510948] [] ? __lock_is_held+0xa1/0xf0 [ 76.512922] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 76.522166] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 76.528999] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 76.535566] [] ? __sb_start_write+0x14a/0x310 [ 76.541701] [] vfs_write+0x189/0x530 [ 76.547053] [] SyS_pwrite64+0x13f/0x170 [ 76.552668] [] ? SyS_pread64+0x170/0x170 [ 76.555257] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 76.563791] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 76.569920] [] sys32_pwrite+0x39/0x50 [ 76.575343] [] ? sys32_pread+0x50/0x50 [ 76.580850] [] do_fast_syscall_32+0x2f5/0x870 [ 76.586964] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.593599] [] entry_SYSENTER_compat+0x90/0xa2 [ 76.602730] Mem-Info: [ 76.605275] active_anon:57400 inactive_anon:44 isolated_anon:0 [ 76.605275] active_file:3500 inactive_file:8841 isolated_file:0 [ 76.605275] unevictable:0 dirty:43 writeback:0 unstable:0 [ 76.605275] slab_reclaimable:6956 slab_unreclaimable:59291 [ 76.605275] mapped:23816 shmem:51 pagetables:649 bounce:0 [ 76.605275] free:1471414 free_pcp:444 free_cma:0 [ 76.639126] Node 0 active_anon:227496kB inactive_anon:176kB active_file:14000kB inactive_file:35364kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95264kB dirty:172kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 90112kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 76.671125] 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 [ 76.700465] lowmem_reserve[]: 0 2908 6410 6410 [ 76.705627] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 76.736521] lowmem_reserve[]: 0 0 3501 3501 [ 76.741429] Normal free:2896420kB min:36824kB low:46028kB high:55232kB active_anon:223388kB inactive_anon:176kB active_file:14000kB inactive_file:35364kB unevictable:0kB writepending:176kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27776kB slab_unreclaimable:236740kB kernel_stack:5664kB pagetables:2540kB bounce:0kB free_pcp:1256kB local_pcp:716kB free_cma:0kB [ 76.775416] lowmem_reserve[]: 0 0 0 0 [ 76.780132] 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 [ 76.795412] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 76.813281] Normal: 51*4kB (UE) 19*8kB (UME) 76*16kB (UME) 61*32kB (UME) 190*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 697*4096kB (M) = 2896452kB [ 76.832552] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 76.841121] 12392 total pagecache pages [ 76.845070] 0 pages in swap cache [ 76.848524] Swap cache stats: add 0, delete 0, find 0/0 [ 76.853865] Free swap = 0kB [ 76.856873] Total swap = 0kB [ 76.859868] 1965969 pages RAM [ 76.862940] 0 pages HighMem/MovableOnly [ 76.866919] 320510 pages reserved [ 76.876712] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 76.886678] CPU: 0 PID: 9427 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 76.894185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.903508] ffff8801bbb778a8 ffffffff81d956f9 1ffff1003776ef18 ffff8801b5071800 [ 76.911492] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801bbb779b8 [ 76.919460] ffffffff81451c92 024000c2bbb778f8 0000000041b58ab3 ffffffff84195b35 [ 76.927427] Call Trace: [ 76.929988] [] dump_stack+0xc1/0x128 [ 76.935323] [] warn_alloc+0x212/0x240 [ 76.940754] [] ? zone_watermark_ok_safe+0x280/0x280 [ 76.947398] [] ? avc_has_perm+0xb0/0x4f0 [ 76.953079] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 76.959541] [] __vmalloc_node_range+0x3f5/0x5f0 [ 76.965829] [] ? check_preemption_disabled+0x3b/0x200 [ 76.972638] [] ? task_has_security+0x130/0x270 [ 76.978845] [] vmalloc+0x5b/0x70 [ 76.983836] [] ? sel_write_load+0x130/0xfd0 [ 76.989778] [] sel_write_load+0x130/0xfd0 [ 76.995543] [] ? sel_read_bool+0x250/0x250 [ 77.001396] [] ? sel_read_bool+0x250/0x250 [ 77.007250] [] __vfs_write+0x103/0x680 [ 77.012758] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 77.019228] [] ? __might_sleep+0x95/0x1a0 [ 77.024996] [] ? __lock_is_held+0xa1/0xf0 [ 77.030761] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 77.037569] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 77.044115] [] ? __sb_start_write+0x14a/0x310 [ 77.050233] [] vfs_write+0x189/0x530 [ 77.055566] [] SyS_pwrite64+0x13f/0x170 [ 77.061157] [] ? SyS_pread64+0x170/0x170 [ 77.066848] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 77.073396] [] sys32_pwrite+0x39/0x50 [ 77.078813] [] ? sys32_pread+0x50/0x50 [ 77.084319] [] do_fast_syscall_32+0x2f5/0x870 [ 77.090435] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.097070] [] entry_SYSENTER_compat+0x90/0xa2 [ 77.104335] Mem-Info: [ 77.108956] active_anon:53762 inactive_anon:44 isolated_anon:0 [ 77.108956] active_file:3500 inactive_file:8844 isolated_file:0 [ 77.108956] unevictable:0 dirty:48 writeback:0 unstable:0 [ 77.108956] slab_reclaimable:6945 slab_unreclaimable:59185 [ 77.108956] mapped:23816 shmem:51 pagetables:636 bounce:0 [ 77.108956] free:1475205 free_pcp:531 free_cma:0 [ 77.142742] Node 0 active_anon:215036kB inactive_anon:176kB active_file:14000kB inactive_file:35388kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95232kB dirty:208kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 77.172532] 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 [ 77.202476] lowmem_reserve[]: 0 2908 6410 6410 [ 77.207813] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 77.239067] lowmem_reserve[]: 0 0 3501 3501 [ 77.243948] Normal free:2905132kB min:36824kB low:46028kB high:55232kB active_anon:215036kB inactive_anon:176kB active_file:14000kB inactive_file:35388kB unevictable:0kB writepending:212kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27780kB slab_unreclaimable:236744kB kernel_stack:5408kB pagetables:2488kB bounce:0kB free_pcp:1292kB local_pcp:684kB free_cma:0kB [ 77.277782] lowmem_reserve[]: 0 0 0 0 [ 77.282141] 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 [ 77.297906] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 77.315076] Normal: 91*4kB (UME) 18*8kB (UME) 77*16kB (UME) 71*32kB (UME) 190*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 6*2048kB (UM) 698*4096kB (M) = 2905132kB [ 77.334514] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2018/03/07 14:40:50 executing program 1: r0 = socket(0x0, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:50 executing program 3: r0 = socket$inet(0x2, 0x2000000000000007, 0x2000000004000003) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000040)="9169743014000000000000000100", 0x10) getsockopt$inet_mreqsrc(r0, 0x0, 0x2f, &(0x7f0000000080)={@empty, @rand_addr, @multicast1}, &(0x7f00000000c0)=0xc) openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/checkreqprot\x00', 0x40, 0x0) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:50 executing program 4: r0 = gettid() rt_sigprocmask(0x0, &(0x7f0000024000)={0xffffffffffffffff}, 0x0, 0x8) timer_create(0x0, &(0x7f0000044000)={0x0, 0x14, 0x4, @tid=r0}, &(0x7f0000044000)) tkill(r0, 0x5) tgkill(r0, r0, 0x31) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000d17000)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$sock_SIOCGPGRP(r1, 0xc004510e, &(0x7f00001e8ffd)) setsockopt$l2tp_PPPOL2TP_SO_RECVSEQ(r1, 0x111, 0x2, 0x0, 0x4) ioctl$int_in(0xffffffffffffffff, 0x0, &(0x7f0000000000)) timer_settime(0x0, 0x0, &(0x7f0000011000)={{}, {0x0, 0x9}}, &(0x7f0000046000)) tkill(r0, 0x12) sysfs$3(0x3) 2018/03/07 14:40:50 executing program 0: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='/exe\x00\x00\x00\x00\x00\x00') fdatasync(r0) 2018/03/07 14:40:50 executing program 7: r0 = syz_open_dev$evdev(&(0x7f0000237fee)='/dev/input/event#\x00', 0x2, 0x28001) lstat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)) write$evdev(r0, &(0x7f0000f15fd0)=[{{}, 0x1, 0x63, 0x2}, {}], 0x30) sendto$ax25(0xffffffffffffffff, &(0x7f0000000180), 0x0, 0x0, &(0x7f0000000280)={0x3, {"f3188443fca10e"}}, 0x10) chmod(&(0x7f0000000140)='./file0\x00', 0x169) 2018/03/07 14:40:50 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c0000001c00070f000000000000000007000000", @ANYRES32=0x0, @ANYBLOB="000000dd"], 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:50 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000300)=0x6) r2 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000200)='/dev/sequencer2\x00', 0x80, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0xfffffffffffffd56) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r2, 0x10e, 0x2, &(0x7f0000000000)=0x18, 0x4) r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f00000002c0)='/selinux/commit_pending_bools\x00', 0x1, 0x0) ioctl$sock_inet6_udp_SIOCINQ(r3, 0x541b, &(0x7f0000000180)) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000280)='/selinux/policy\x00', 0x0, 0x0) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:50 executing program 6: r0 = socket$packet(0x11, 0x2, 0x300) r1 = creat(&(0x7f00000000c0)='./file0\x00', 0x80) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0106434, &(0x7f0000000100)={0x8, 0x0, 0x3, 0xffff}) ioctl$DRM_IOCTL_AGP_ALLOC(r1, 0xc0106434, &(0x7f0000000140)={0x5, r2, 0x10001, 0x3b0f}) setsockopt$packet_buf(r0, 0x107, 0x16, &(0x7f0000000000)="fe83a2ef050b8ed613dca9699d89133273833f6ea9d9", 0x16) r3 = dup3(r0, r0, 0x80000) getsockopt$inet_sctp_SCTP_NODELAY(r3, 0x84, 0x3, &(0x7f0000000040), &(0x7f0000000080)=0x4) setsockopt$packet_fanout(r0, 0x107, 0x12, &(0x7f00004deffc), 0x13b) 2018/03/07 14:40:50 executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000fe5ff8)={0xffffffffffffffff, 0xffffffffffffffff}) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/net/pfkey\x00', 0x101880, 0x0) setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f000002eff0)={0x2, &(0x7f0000000ff0)=[{0x28, 0x0, 0x0, 0xfffffffffffff00c}, {0x80000006}]}, 0x10) write(r0, &(0x7f0000005000), 0x226) [ 77.343084] 12401 total pagecache pages [ 77.347378] 0 pages in swap cache [ 77.350800] Swap cache stats: add 0, delete 0, find 0/0 [ 77.356127] Free swap = 0kB [ 77.359134] Total swap = 0kB [ 77.362130] 1965969 pages RAM [ 77.365204] 0 pages HighMem/MovableOnly [ 77.369165] 320510 pages reserved [ 77.385155] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex 2018/03/07 14:40:50 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0xfffffffffffffd35) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x220001, 0x0) syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0xc6b, 0x40) setsockopt$netrom_NETROM_T2(r1, 0x103, 0x2, &(0x7f0000000040)=0xfffffffffffffffb, 0x4) 2018/03/07 14:40:50 executing program 6: r0 = fcntl$dupfd(0xffffffffffffff9c, 0x406, 0xffffffffffffff9c) ioctl$KDADDIO(r0, 0x4b34, 0x3) ioctl$KDSIGACCEPT(0xffffffffffffffff, 0x4b4e, 0x0) 2018/03/07 14:40:50 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) setsockopt$inet_group_source_req(r0, 0x0, 0x2f, &(0x7f0000000000)={0x8, {{0x2, 0x4e23, @multicast2=0xe0000002}}, {{0x2, 0x4e22, @empty}}}, 0x104) 2018/03/07 14:40:50 executing program 1: r0 = socket(0x10, 0x0, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:50 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) tee(r0, r0, 0x4, 0x8) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0086426, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{0x0}]}) ioctl$DRM_IOCTL_GET_SAREA_CTX(r1, 0xc008641d, &(0x7f0000000180)={r2, &(0x7f00000000c0)=""/160}) ioctl$sock_ipx_SIOCIPXCFGDATA(r0, 0x89e2, &(0x7f0000000240)) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0)={@remote={0xfe, 0x80, [], 0xbb}}, 0x14) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f0000000200)={@dev={0xfe, 0x80}}, 0x14) close(r0) 2018/03/07 14:40:50 executing program 0: r0 = dup(0xffffffffffffffff) ioctl$BINDER_GET_NODE_DEBUG_INFO(0xffffffffffffffff, 0xc018620b, &(0x7f0000000080)={0x0}) ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f00000000c0)={r1}) mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r2 = open(&(0x7f0000039000)='./control\x00', 0x0, 0x0) mkdirat(r2, &(0x7f000002cff6)='./control\x00', 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) renameat(r3, &(0x7f0000000000)='./control\x00', r2, &(0x7f0000000040)='./control\x00') [ 77.394550] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 77.394559] CPU: 0 PID: 9443 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 77.394564] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.394580] ffff8801c46d78a8 ffffffff81d956f9 1ffff100388daf18 ffff8801bfd61800 2018/03/07 14:40:50 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(0xffffffffffffffff, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa76d1e", 0x28) fstat(r0, &(0x7f00000000c0)) [ 77.394592] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c46d79b8 [ 77.394604] ffffffff81451c92 024000c2c46d78f8 0000000041b58ab3 ffffffff84195b35 [ 77.394606] Call Trace: [ 77.394621] [] dump_stack+0xc1/0x128 [ 77.394633] [] warn_alloc+0x212/0x240 [ 77.394643] [] ? zone_watermark_ok_safe+0x280/0x280 [ 77.394652] [] ? avc_has_perm+0xb0/0x4f0 [ 77.394661] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 77.394670] [] __vmalloc_node_range+0x3f5/0x5f0 [ 77.394680] [] ? check_preemption_disabled+0x3b/0x200 [ 77.394689] [] ? task_has_security+0x130/0x270 [ 77.394697] [] vmalloc+0x5b/0x70 [ 77.394705] [] ? sel_write_load+0x130/0xfd0 [ 77.394713] [] sel_write_load+0x130/0xfd0 [ 77.394722] [] ? sel_read_bool+0x250/0x250 [ 77.394730] [] ? sel_read_bool+0x250/0x250 [ 77.394738] [] __vfs_write+0x103/0x680 [ 77.394745] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 77.394754] [] ? __might_sleep+0x95/0x1a0 [ 77.394762] [] ? __lock_is_held+0xa1/0xf0 [ 77.394771] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 77.394779] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 77.394787] [] ? __sb_start_write+0x14a/0x310 [ 77.394795] [] vfs_write+0x189/0x530 [ 77.394803] [] SyS_pwrite64+0x13f/0x170 [ 77.394811] [] ? SyS_pread64+0x170/0x170 [ 77.394820] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 77.394828] [] sys32_pwrite+0x39/0x50 [ 77.394839] [] ? sys32_pread+0x50/0x50 [ 77.394848] [] do_fast_syscall_32+0x2f5/0x870 [ 77.394855] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.394867] [] entry_SYSENTER_compat+0x90/0xa2 [ 77.394917] Mem-Info: [ 77.394938] active_anon:56910 inactive_anon:44 isolated_anon:0 [ 77.394938] active_file:3500 inactive_file:8849 isolated_file:0 [ 77.394938] unevictable:0 dirty:53 writeback:0 unstable:0 [ 77.394938] slab_reclaimable:6945 slab_unreclaimable:59187 [ 77.394938] mapped:23819 shmem:51 pagetables:671 bounce:0 [ 77.394938] free:1471988 free_pcp:390 free_cma:0 [ 77.394957] Node 0 active_anon:227640kB inactive_anon:176kB active_file:14000kB inactive_file:35396kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95276kB dirty:212kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 77.394974] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 77.395002] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 77.395029] Normal free:2892100kB min:36824kB low:46028kB high:55232kB active_anon:227640kB inactive_anon:176kB active_file:14000kB inactive_file:35396kB unevictable:0kB writepending:212kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27780kB slab_unreclaimable:236748kB kernel_stack:5952kB pagetables:2684kB bounce:0kB free_pcp:784kB local_pcp:564kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 77.395083] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 51*4kB (U) 13*8kB (UM) 71*16kB (UM) 54*32kB (UME) 190*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 697*4096kB (M) = 2892004kB [ 77.395194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.395197] 12401 total pagecache pages [ 77.395200] 0 pages in swap cache [ 77.395204] Swap cache stats: add 0, delete 0, find 0/0 [ 77.395207] Free swap = 0kB [ 77.395209] Total swap = 0kB [ 77.395211] 1965969 pages RAM [ 77.395213] 0 pages HighMem/MovableOnly [ 77.395216] 320510 pages reserved [ 77.416675] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 77.416684] CPU: 0 PID: 9443 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 77.416688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.416702] ffff8801c46d78a8 ffffffff81d956f9 1ffff100388daf18 ffff8801bfd61800 [ 77.416712] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801c46d79b8 [ 77.416722] ffffffff81451c92 024000c2c46d78f8 0000000041b58ab3 ffffffff84195b35 [ 77.416723] Call Trace: [ 77.416737] [] dump_stack+0xc1/0x128 [ 77.416748] [] warn_alloc+0x212/0x240 [ 77.416757] [] ? zone_watermark_ok_safe+0x280/0x280 [ 77.416768] [] ? avc_has_perm+0xb0/0x4f0 [ 77.416777] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 77.416786] [] __vmalloc_node_range+0x3f5/0x5f0 [ 77.416800] [] ? check_preemption_disabled+0x3b/0x200 [ 77.416809] [] ? task_has_security+0x130/0x270 [ 77.416817] [] vmalloc+0x5b/0x70 [ 77.416825] [] ? sel_write_load+0x130/0xfd0 [ 77.416832] [] sel_write_load+0x130/0xfd0 [ 77.416844] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 77.416851] [] ? futex_wake+0x146/0x440 [ 77.416858] [] ? sel_read_bool+0x250/0x250 [ 77.416866] [] ? sel_read_bool+0x250/0x250 [ 77.416875] [] __vfs_write+0x103/0x680 [ 77.416883] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 77.416891] [] ? __might_sleep+0x95/0x1a0 [ 77.416899] [] ? __lock_is_held+0xa1/0xf0 [ 77.416908] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 77.416916] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 77.416923] [] ? __sb_start_write+0x14a/0x310 [ 77.416931] [] vfs_write+0x189/0x530 [ 77.416940] [] SyS_pwrite64+0x13f/0x170 [ 77.416948] [] ? SyS_pread64+0x170/0x170 [ 77.416958] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 77.416966] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 77.416974] [] sys32_pwrite+0x39/0x50 [ 77.416980] [] ? sys32_pread+0x50/0x50 [ 77.416988] [] do_fast_syscall_32+0x2f5/0x870 [ 77.416995] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 77.417005] [] entry_SYSENTER_compat+0x90/0xa2 [ 77.434898] Mem-Info: [ 77.434923] active_anon:55331 inactive_anon:44 isolated_anon:0 [ 77.434923] active_file:3500 inactive_file:8849 isolated_file:0 [ 77.434923] unevictable:0 dirty:53 writeback:0 unstable:0 [ 77.434923] slab_reclaimable:6945 slab_unreclaimable:59181 [ 77.434923] mapped:23819 shmem:51 pagetables:634 bounce:0 [ 77.434923] free:1473506 free_pcp:403 free_cma:0 [ 77.434940] Node 0 active_anon:221324kB inactive_anon:176kB active_file:14000kB inactive_file:35396kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95276kB dirty:212kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 73728kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 77.434957] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 77.434984] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 77.435011] Normal free:2898172kB min:36824kB low:46028kB high:55232kB active_anon:221324kB inactive_anon:176kB active_file:14000kB inactive_file:35396kB unevictable:0kB writepending:212kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27780kB slab_unreclaimable:236724kB kernel_stack:5760kB pagetables:2536kB bounce:0kB free_pcp:840kB local_pcp:284kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 77.435064] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 31*4kB (UM) 4*8kB (U) 70*16kB (ME) 58*32kB (UME) 190*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 3*2048kB (UM) 698*4096kB (M) = 2898108kB [ 77.435169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.435176] 12401 total pagecache pages 2018/03/07 14:40:51 executing program 0: rt_sigprocmask(0x3, &(0x7f0000000000), &(0x7f0000000040), 0x8) rt_sigtimedwait(&(0x7f0000000140), &(0x7f0000000180), &(0x7f00000001c0), 0x8) r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/rfkill\x00', 0x2001, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./file0\x00', 0x44c240, 0x89) r2 = openat$selinux_access(0xffffffffffffff9c, &(0x7f00000003c0)='/selinux/access\x00', 0x2, 0x0) ioctl$BINDER_WRITE_READ(r0, 0xc0306201, &(0x7f0000000600)={0x98, 0x0, &(0x7f00000004c0)=[@transaction_sg={0x40486311, {{0x1, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x20, 0x40, &(0x7f0000000300)=[@fda={0x66646185, 0x7, 0x3, 0x27}], &(0x7f0000000340)=[0x0, 0x68, 0x30, 0x68, 0x38, 0x78, 0x0, 0x40]}, 0x6}}, @transaction_sg={0x40486311, {{0x2, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x50, 0x38, &(0x7f0000000400)=[@fd={0x66642a85, 0x0, r1, 0x0, 0x2}, @fd={0x66642a85, 0x0, r2, 0x0, 0x3}, @fda={0x66646185, 0xa, 0x4, 0x31}], &(0x7f0000000480)=[0x48, 0x20, 0x0, 0x78, 0x38, 0x38, 0x38]}, 0x100000000}}], 0x6c, 0x0, &(0x7f0000000580)="ab9caba9395dad7568c4e8bce85930fd22c27f04a61f7aa0f699c8f9eb7df9ac914179dc66b20b1dee183a5fb6ebc30b106aeb0289b8497a90e40feccb67679ac5c41ef842d5f28a629b62a7e9d02cb5abd82999ba7cc1ef980d67a7febe09358f0355b1ef51c8b4827ec857"}) fdatasync(r2) set_robust_list(&(0x7f0000000280)={0x0, 0x100000000, &(0x7f0000000240)={&(0x7f0000000200)}}, 0xc) set_robust_list(&(0x7f0000000100)={0x0, 0xb11c, &(0x7f00000000c0)={&(0x7f0000000080)}}, 0xffffffffffffffb5) 2018/03/07 14:40:51 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000), 0x0) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:51 executing program 7: openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot\x00', 0x41, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000180)='net/fib_triestat\x00') rt_sigprocmask(0x0, &(0x7f0000032ff8)={0xfffffffffffffffe}, 0x0, 0x8) setrlimit(0xe, &(0x7f0000000000)={0x3, 0xc0c5}) ftruncate(r0, 0x3d) 2018/03/07 14:40:51 executing program 2: r0 = accept4$ipx(0xffffffffffffff9c, &(0x7f00000002c0), &(0x7f0000000300)=0x10, 0x800) finit_module(r0, &(0x7f0000000340)='wlan1keyringmime_typeposix_acl_access\x00', 0x1) pwrite64(0xffffffffffffffff, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0xd}, &(0x7f0000000100)=0x8) r2 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000180)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$inet_mreq(r2, 0x0, 0x23, &(0x7f0000000200)={@remote={0xac, 0x14, 0x14, 0xbb}, @rand_addr=0x6}, 0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000400)=0x8) ioctl$sock_inet_udp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000380)) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f0000000280)='scalable\x00', 0x9) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000240)={r3, 0x6}, &(0x7f0000000440)=0x8) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) ioctl$sock_ipx_SIOCGIFADDR(r2, 0x8915, &(0x7f00000003c0)={'bpq0\x00', {0x4, 0x401, 0x7f, "e29915ac7045"}}) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:51 executing program 6: r0 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) ioctl$PPPIOCGL2TPSTATS(r0, 0x80487436, &(0x7f0000000040)) mmap(&(0x7f000007a000/0x3000)=nil, 0x3000, 0x0, 0x4d072, 0xffffffffffffffff, 0x0) getdents64(r0, &(0x7f0000000040), 0x0) 2018/03/07 14:40:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) unlink(&(0x7f0000000040)='./file0\x00') 2018/03/07 14:40:51 executing program 4: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000ed4000)=0x7b, 0x4) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000d26000)={0x1, &(0x7f0000818000)=[{0x6, 0x0, 0x0, 0x100}]}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='hybla\x00', 0x6) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f00000004c0)={0x0, 0x7e, "f9de133906d7a636f132583b458a400b2a273f36c0e81cac73ef515d549e4632680113887aa92ab5207e0404b798f0a5d076706f649980faf52b47bc749edabfb0474e48283e97450818ecae3c966933c595433b99e387caf97d8625ce52f3d17f9f3ab08a6e3b4f03a5cc626a5c06b92fcdda966850e75151e54d6e701c"}, &(0x7f0000000580)=0x86) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f00000005c0)={0x5, 0x6, 0x1, 0xffffffffffffffff, 0x10000, 0x6, 0x8, 0x7, r1}, &(0x7f0000000600)=0x20) sendto$inet(r0, &(0x7f0000617fc9), 0x84, 0x20000000, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000040)="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", 0x457, 0x0, &(0x7f0000001040)={0x2, 0x4e20, @dev={0xac, 0x14}}, 0x10) 2018/03/07 14:40:51 executing program 3: r0 = socket$nl_xfrm(0x11, 0x3, 0x6) ioctl$sock_SIOCGIFINDEX(r0, 0x8914, &(0x7f0000000000)={"6c6f3a0100"}) r1 = socket$inet(0x2, 0x80807, 0x0) r2 = request_key(&(0x7f00000000c0)='logon\x00', &(0x7f0000000100)={0x73, 0x79, 0x7a, 0x2}, &(0x7f0000000140)='ppp0self\\\x00', 0xfffffffffffffffa) r3 = add_key$keyring(&(0x7f0000000180)='keyring\x00', &(0x7f00000001c0)={0x73, 0x79, 0x7a, 0x2}, 0x0, 0x0, 0xfffffffffffffffb) keyctl$negate(0xd, r2, 0x40, r3) openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/enforce\x00', 0x0, 0x0) r4 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x4000, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000200)={0x0, 0x1, 0x1, 0xffffffffffffff04, 0x6e, 0xaa}, &(0x7f0000000240)=0x14) getsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000280)={r5, 0x6}, &(0x7f00000002c0)=0xc) connect$bt_l2cap(r4, &(0x7f0000000040)={0x1f, 0x81, {0x1, 0x3f, 0x1, 0xb9a8, 0xd1e3}, 0x3, 0x5d38}, 0xe) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 77.435180] 0 pages in swap cache [ 77.435184] Swap cache stats: add 0, delete 0, find 0/0 [ 77.435187] Free swap = 0kB [ 77.435189] Total swap = 0kB [ 77.435192] 1965969 pages RAM [ 77.435198] 0 pages HighMem/MovableOnly [ 77.435201] 320510 pages reserved 2018/03/07 14:40:51 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000", 0x14) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:51 executing program 6: r0 = socket$key(0xf, 0x3, 0x2) setsockopt$bt_BT_SECURITY(r0, 0x112, 0x4, &(0x7f0000000040)={0x200, 0x100}, 0x2) readv(r0, &(0x7f000000b000)=[{&(0x7f0000008f48)=""/184, 0xb8}], 0x1) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000011ffc)=0x52, 0x379) setsockopt$sock_int(r0, 0x1, 0x1000000000002b, &(0x7f0000000080)=0x401, 0x4) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey\x00', 0x400000, 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffffff, 0x84, 0x6d, &(0x7f0000000100)={0x0, 0x11, "7a35dca281dfe1e61aed4fe0c52c5a470d"}, &(0x7f0000000140)=0x19) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f0000000180)={r2, 0x2e, "1e6078b39d16c18c6147e9ef201a30e8b991eb218a56c7293b8508362e7452ee30820257fe64e821344c0482a0f5"}, &(0x7f00000001c0)=0x36) setsockopt$sock_int(r0, 0x1, 0x29, &(0x7f0000ea8ffc)=0x488, 0x4) sendmsg$key(r0, &(0x7f0000003000)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000001000)={0x2, 0xa, 0x0, 0x0, 0x2, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, []}, 0x10}, 0x1}, 0x0) 2018/03/07 14:40:51 executing program 4: r0 = add_key$keyring(&(0x7f0000000000)='keyring\x00', &(0x7f0000000040)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffffd) keyctl$setperm(0x5, r0, 0x8000200) keyctl$setperm(0x5, 0x0, 0xefa0e4bc276a5c78) 2018/03/07 14:40:51 executing program 7: r0 = creat(&(0x7f00000000c0)='./file0\x00', 0x11) sendmsg(r0, &(0x7f0000001280)={0x0, 0x0, &(0x7f0000001240)=[{&(0x7f00000012c0)="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", 0x884}], 0x1, 0x0, 0xfffffdd3}, 0x0) getsockopt$inet_int(r0, 0x0, 0x16, &(0x7f0000000040), &(0x7f0000000080)=0x4) openat$selinux_avc_cache_threshold(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/avc/cache_threshold\x00', 0x2, 0x0) r1 = socket$inet(0xa, 0x1, 0x0) setsockopt$EBT_SO_SET_ENTRIES(r1, 0x6, 0xe, &(0x7f0000000a40)=@broute={'\n\x00oute\x00', 0x20, 0x4, 0x90, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000240], 0x0, &(0x7f0000d9e000), &(0x7f0000000240)=[{0x0, '\x00', 0x1, 0x0, 0x0, []}, {0x0, '\x00', 0x2, 0x0, 0x0, []}, {0x0, '\x00', 0x2, 0x0, 0x0, []}]}, 0xe0) 2018/03/07 14:40:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r1, &(0x7f00001fefe4)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r1, 0x0) sendto$inet6(r0, &(0x7f0000f6f000), 0x11d, 0x20000004, &(0x7f0000cc7fe4)={0xa, 0x4e22, 0x0, @empty}, 0x52) getsockopt$sock_buf(r0, 0x1, 0x1f, &(0x7f0000000080)=""/216, &(0x7f0000000180)=0xd8) r2 = memfd_create(&(0x7f0000000e00)='\x00', 0x1) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r2, 0x10e, 0x2, &(0x7f0000000e40)=0x3, 0x4) 2018/03/07 14:40:51 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000280)='/dev/autofs\x00', 0x602, 0x0) ioctl$DRM_IOCTL_AGP_ALLOC(r2, 0xc0106434, &(0x7f0000000380)={0x3, 0x0, 0x10003, 0x1ff}) ioctl$DRM_IOCTL_SG_ALLOC(r2, 0xc0086438, &(0x7f00000003c0)={0x100000001, r3}) getsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r2, 0x84, 0xc, &(0x7f00000002c0), &(0x7f0000000300)=0x4) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) setsockopt$inet_sctp_SCTP_AUTH_DELETE_KEY(r2, 0x84, 0x19, &(0x7f0000000400)={r1, 0xfffffffffffffff8}, 0x8) r4 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000440), &(0x7f0000000080)=0x4) setsockopt$inet6_udp_encap(r4, 0x11, 0x64, &(0x7f0000000480)=0x800000000005, 0xfffffffffffffddc) setsockopt$inet_sctp6_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f0000000340)=@assoc_id=r1, 0x4) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r4, 0x84, 0x1d, &(0x7f0000000180)=ANY=[@ANYBLOB="0700418c", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f0000000200)=0x20) [ 78.394268] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 78.424221] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 78.428105] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex 2018/03/07 14:40:51 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0x593b24f8282f4a9c, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:51 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r3 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000180)={r2, 0xffffffffb6e3de37, 0x6}, 0x8) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) ioctl$SNDRV_SEQ_IOCTL_UNSUBSCRIBE_PORT(r3, 0x40505331, &(0x7f0000000280)={{0x24c, 0x5}, {0xf3b2, 0x5}, 0x6}) [ 78.428848] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 78.428858] CPU: 0 PID: 9511 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 78.428863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.428877] ffff8801b38b78a8 ffffffff81d956f9 1ffff10036716f18 ffff8801c9191800 [ 78.428889] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b38b79b8 [ 78.428900] ffffffff81451c92 024000c2b38b78f8 0000000041b58ab3 ffffffff84195b35 [ 78.428902] Call Trace: [ 78.428915] [] dump_stack+0xc1/0x128 [ 78.428925] [] warn_alloc+0x212/0x240 [ 78.428933] [] ? zone_watermark_ok_safe+0x280/0x280 [ 78.428941] [] ? avc_has_perm+0xb0/0x4f0 [ 78.428951] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 78.428959] [] __vmalloc_node_range+0x3f5/0x5f0 [ 78.428968] [] ? check_preemption_disabled+0x3b/0x200 [ 78.428976] [] ? task_has_security+0x130/0x270 [ 78.428983] [] vmalloc+0x5b/0x70 [ 78.428990] [] ? sel_write_load+0x130/0xfd0 [ 78.428997] [] sel_write_load+0x130/0xfd0 [ 78.429007] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 78.429013] [] ? futex_wake+0x146/0x440 [ 78.429021] [] ? sel_read_bool+0x250/0x250 [ 78.429029] [] ? sel_read_bool+0x250/0x250 [ 78.429037] [] __vfs_write+0x103/0x680 [ 78.429044] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 78.429052] [] ? __might_sleep+0x95/0x1a0 [ 78.429061] [] ? __lock_is_held+0xa1/0xf0 [ 78.429076] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 78.429085] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 78.429094] [] ? __sb_start_write+0x14a/0x310 [ 78.429102] [] vfs_write+0x189/0x530 [ 78.429111] [] SyS_pwrite64+0x13f/0x170 [ 78.429121] [] ? SyS_pread64+0x170/0x170 [ 78.429131] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 78.429139] [] sys32_pwrite+0x39/0x50 [ 78.429147] [] ? sys32_pread+0x50/0x50 [ 78.429155] [] do_fast_syscall_32+0x2f5/0x870 [ 78.429162] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.429171] [] entry_SYSENTER_compat+0x90/0xa2 [ 78.429174] Mem-Info: [ 78.429192] active_anon:56401 inactive_anon:44 isolated_anon:0 [ 78.429192] active_file:3500 inactive_file:8851 isolated_file:0 [ 78.429192] unevictable:0 dirty:55 writeback:0 unstable:0 [ 78.429192] slab_reclaimable:6946 slab_unreclaimable:59166 [ 78.429192] mapped:23856 shmem:51 pagetables:696 bounce:0 [ 78.429192] free:1471929 free_pcp:410 free_cma:0 [ 78.429209] Node 0 active_anon:225604kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95424kB dirty:220kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 78.429229] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 78.429260] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 78.429290] Normal free:2891864kB min:36824kB low:46028kB high:55232kB active_anon:225604kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB writepending:220kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27784kB slab_unreclaimable:236664kB kernel_stack:5920kB pagetables:2784kB bounce:0kB free_pcp:868kB local_pcp:452kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 78.429340] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 52*4kB (UME) 13*8kB (UME) 68*16kB (UME) 49*32kB (UME) 191*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 697*4096kB (M) = 2891864kB [ 78.429433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 78.429435] 12401 total pagecache pages [ 78.429438] 0 pages in swap cache [ 78.429442] Swap cache stats: add 0, delete 0, find 0/0 [ 78.429444] Free swap = 0kB [ 78.429446] Total swap = 0kB [ 78.429448] 1965969 pages RAM [ 78.429450] 0 pages HighMem/MovableOnly [ 78.429452] 320510 pages reserved [ 78.431472] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 78.431479] CPU: 0 PID: 9511 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 78.431483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.431495] ffff8801b38b78a8 ffffffff81d956f9 1ffff10036716f18 ffff8801c9191800 [ 78.431505] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b38b79b8 [ 78.431515] ffffffff81451c92 024000c2b38b78f8 0000000041b58ab3 ffffffff84195b35 [ 78.431517] Call Trace: [ 78.431526] [] dump_stack+0xc1/0x128 [ 78.431534] [] warn_alloc+0x212/0x240 [ 78.431541] [] ? zone_watermark_ok_safe+0x280/0x280 [ 78.431549] [] ? avc_has_perm+0xb0/0x4f0 [ 78.431558] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 78.431566] [] __vmalloc_node_range+0x3f5/0x5f0 [ 78.431575] [] ? check_preemption_disabled+0x3b/0x200 [ 78.431582] [] ? task_has_security+0x130/0x270 [ 78.431590] [] vmalloc+0x5b/0x70 [ 78.431596] [] ? sel_write_load+0x130/0xfd0 [ 78.431603] [] sel_write_load+0x130/0xfd0 [ 78.431612] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 78.431618] [] ? futex_wake+0x146/0x440 [ 78.431625] [] ? sel_read_bool+0x250/0x250 [ 78.431633] [] ? sel_read_bool+0x250/0x250 [ 78.431640] [] __vfs_write+0x103/0x680 [ 78.431648] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 78.431656] [] ? __might_sleep+0x95/0x1a0 [ 78.431664] [] ? __lock_is_held+0xa1/0xf0 [ 78.431672] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 78.431679] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 78.431686] [] ? __sb_start_write+0x14a/0x310 [ 78.431693] [] vfs_write+0x189/0x530 [ 78.431701] [] SyS_pwrite64+0x13f/0x170 [ 78.431708] [] ? SyS_pread64+0x170/0x170 [ 78.431717] [] ? compat_SyS_setsockopt+0x290/0x290 [ 78.431725] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 78.431731] [] sys32_pwrite+0x39/0x50 [ 78.431737] [] ? sys32_pread+0x50/0x50 [ 78.431744] [] do_fast_syscall_32+0x2f5/0x870 [ 78.431751] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.431759] [] entry_SYSENTER_compat+0x90/0xa2 [ 78.431761] Mem-Info: [ 78.431777] active_anon:56922 inactive_anon:44 isolated_anon:0 [ 78.431777] active_file:3500 inactive_file:8851 isolated_file:0 [ 78.431777] unevictable:0 dirty:55 writeback:0 unstable:0 [ 78.431777] slab_reclaimable:6946 slab_unreclaimable:59193 [ 78.431777] mapped:23856 shmem:51 pagetables:696 bounce:0 [ 78.431777] free:1471417 free_pcp:408 free_cma:0 [ 78.431791] Node 0 active_anon:227688kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95424kB dirty:220kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 78.431808] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 78.431834] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 78.433102] Normal free:2891800kB min:36824kB low:46028kB high:55232kB active_anon:227688kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB writepending:220kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27784kB slab_unreclaimable:236772kB kernel_stack:5952kB pagetables:2784kB bounce:0kB free_pcp:928kB local_pcp:512kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 78.433151] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 52*4kB (UME) 14*8kB (UME) 68*16kB (UME) 47*32kB (UME) 191*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 697*4096kB (M) = 2891808kB [ 78.433244] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 78.433246] 12401 total pagecache pages [ 78.433249] 0 pages in swap cache [ 78.433253] Swap cache stats: add 0, delete 0, find 0/0 [ 78.433255] Free swap = 0kB [ 78.433257] Total swap = 0kB [ 78.433259] 1965969 pages RAM [ 78.433261] 0 pages HighMem/MovableOnly [ 78.433263] 320510 pages reserved [ 78.451134] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 78.460310] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 78.460319] CPU: 0 PID: 9520 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 78.460324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.460337] ffff8801b806f8a8 ffffffff81d956f9 1ffff1003700df18 ffff8801bee00000 [ 78.460347] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b806f9b8 [ 78.460358] ffffffff81451c92 024000c2b806f8f8 0000000041b58ab3 ffffffff84195b35 [ 78.460360] Call Trace: [ 78.460371] [] dump_stack+0xc1/0x128 [ 78.460380] [] warn_alloc+0x212/0x240 [ 78.460388] [] ? zone_watermark_ok_safe+0x280/0x280 [ 78.460397] [] ? avc_has_perm+0xb0/0x4f0 [ 78.460407] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 78.460416] [] __vmalloc_node_range+0x3f5/0x5f0 [ 78.460426] [] ? check_preemption_disabled+0x3b/0x200 [ 78.460434] [] ? task_has_security+0x130/0x270 [ 78.460441] [] vmalloc+0x5b/0x70 [ 78.460448] [] ? sel_write_load+0x130/0xfd0 [ 78.460455] [] sel_write_load+0x130/0xfd0 [ 78.460465] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 78.460471] [] ? futex_wake+0x146/0x440 [ 78.460478] [] ? sel_read_bool+0x250/0x250 [ 78.460487] [] ? sel_read_bool+0x250/0x250 [ 78.460494] [] __vfs_write+0x103/0x680 [ 78.460502] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 78.460510] [] ? __might_sleep+0x95/0x1a0 [ 78.460519] [] ? __lock_is_held+0xa1/0xf0 [ 78.460527] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 78.460534] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 78.460541] [] ? __sb_start_write+0x14a/0x310 [ 78.460548] [] vfs_write+0x189/0x530 [ 78.460557] [] SyS_pwrite64+0x13f/0x170 [ 78.460564] [] ? SyS_pread64+0x170/0x170 [ 78.460572] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 78.460579] [] sys32_pwrite+0x39/0x50 [ 78.460585] [] ? sys32_pread+0x50/0x50 [ 78.460593] [] do_fast_syscall_32+0x2f5/0x870 [ 78.460600] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.460608] [] entry_SYSENTER_compat+0x90/0xa2 [ 78.460611] Mem-Info: [ 78.460628] active_anon:56396 inactive_anon:44 isolated_anon:0 [ 78.460628] active_file:3500 inactive_file:8851 isolated_file:0 [ 78.460628] unevictable:0 dirty:55 writeback:0 unstable:0 [ 78.460628] slab_reclaimable:6946 slab_unreclaimable:59218 [ 78.460628] mapped:23856 shmem:51 pagetables:696 bounce:0 [ 78.460628] free:1471931 free_pcp:414 free_cma:0 [ 78.460643] Node 0 active_anon:225584kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95424kB dirty:220kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 78.460659] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 78.460687] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 78.460715] Normal free:2891872kB min:36824kB low:46028kB high:55232kB active_anon:225584kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB writepending:220kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27784kB slab_unreclaimable:236872kB kernel_stack:5824kB pagetables:2784kB bounce:0kB free_pcp:884kB local_pcp:468kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 78.460765] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 52*4kB (UME) 14*8kB (UME) 68*16kB (UME) 49*32kB (UME) 191*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 697*4096kB (M) = 2891872kB [ 78.460858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 78.460861] 12401 total pagecache pages [ 78.460864] 0 pages in swap cache [ 78.460868] Swap cache stats: add 0, delete 0, find 0/0 [ 78.460870] Free swap = 0kB [ 78.460872] Total swap = 0kB [ 78.460874] 1965969 pages RAM [ 78.460876] 0 pages HighMem/MovableOnly [ 78.460878] 320510 pages reserved [ 78.462705] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 78.462713] CPU: 0 PID: 9520 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 78.462717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.462729] ffff8801b806f8a8 ffffffff81d956f9 1ffff1003700df18 ffff8801bee00000 [ 78.462739] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b806f9b8 [ 78.462749] ffffffff81451c92 024000c2b806f8f8 0000000041b58ab3 ffffffff84195b35 [ 78.462750] Call Trace: [ 78.462759] [] dump_stack+0xc1/0x128 [ 78.462767] [] warn_alloc+0x212/0x240 [ 78.462775] [] ? zone_watermark_ok_safe+0x280/0x280 [ 78.462783] [] ? avc_has_perm+0xb0/0x4f0 [ 78.462792] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 78.462800] [] __vmalloc_node_range+0x3f5/0x5f0 [ 78.462809] [] ? check_preemption_disabled+0x3b/0x200 [ 78.462817] [] ? task_has_security+0x130/0x270 [ 78.462824] [] vmalloc+0x5b/0x70 [ 78.462831] [] ? sel_write_load+0x130/0xfd0 [ 78.462838] [] sel_write_load+0x130/0xfd0 [ 78.462847] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 78.462853] [] ? futex_wake+0x146/0x440 [ 78.462860] [] ? sel_read_bool+0x250/0x250 [ 78.462868] [] ? sel_read_bool+0x250/0x250 [ 78.462875] [] __vfs_write+0x103/0x680 [ 78.462883] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 78.462891] [] ? __might_sleep+0x95/0x1a0 [ 78.462899] [] ? __lock_is_held+0xa1/0xf0 [ 78.462907] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 78.462914] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 78.462921] [] ? __sb_start_write+0x14a/0x310 [ 78.462928] [] vfs_write+0x189/0x530 [ 78.462936] [] SyS_pwrite64+0x13f/0x170 [ 78.462943] [] ? SyS_pread64+0x170/0x170 [ 78.462951] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 78.462958] [] sys32_pwrite+0x39/0x50 [ 78.462964] [] ? sys32_pread+0x50/0x50 [ 78.462972] [] do_fast_syscall_32+0x2f5/0x870 [ 78.462978] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 78.462987] [] entry_SYSENTER_compat+0x90/0xa2 [ 78.462990] Mem-Info: [ 78.463013] active_anon:56921 inactive_anon:44 isolated_anon:0 [ 78.463013] active_file:3500 inactive_file:8851 isolated_file:0 [ 78.463013] unevictable:0 dirty:55 writeback:0 unstable:0 [ 78.463013] slab_reclaimable:6946 slab_unreclaimable:59218 [ 78.463013] mapped:23856 shmem:51 pagetables:696 bounce:0 [ 78.463013] free:1471419 free_pcp:410 free_cma:0 [ 78.463164] Node 0 active_anon:227684kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95424kB dirty:220kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 78.463184] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 78.463209] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 78.463235] Normal free:2889824kB min:36824kB low:46028kB high:55232kB active_anon:227684kB inactive_anon:176kB active_file:14000kB inactive_file:35404kB unevictable:0kB writepending:220kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27784kB slab_unreclaimable:236872kB kernel_stack:5888kB pagetables:2784kB bounce:0kB free_pcp:868kB local_pcp:452kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 78.463284] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 52*4kB (UME) 14*8kB (UME) 68*16kB (UME) 47*32kB (UME) 191*64kB (UME) 26*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 697*4096kB (M) = 2889760kB [ 78.463380] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 78.463552] 12401 total pagecache pages [ 78.463555] 0 pages in swap cache [ 78.463559] Swap cache stats: add 0, delete 0, find 0/0 [ 78.463561] Free swap = 0kB [ 78.463563] Total swap = 0kB [ 78.463565] 1965969 pages RAM [ 78.463567] 0 pages HighMem/MovableOnly [ 78.463569] 320510 pages reserved 2018/03/07 14:40:53 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) socketpair$inet6(0xa, 0x804, 0x4, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt$inet6_int(r1, 0x29, 0x4, &(0x7f0000000080)=0x100000000, 0x4) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c00000095070b00000000000000000000000000", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:53 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000", 0x14) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:53 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) socketpair$inet_dccp(0x2, 0x6, 0x0, &(0x7f0000006ec0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_inet_SIOCGARP(r1, 0x8954, &(0x7f0000006f00)={{0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x0, @random="203c49ed9e0c"}, 0x20, {0x2, 0x4e21, @loopback=0x7f000001}, 'bpq0\x00'}) r2 = getpgrp(0x0) stat(&(0x7f0000000300)='./file0\x00', &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() recvmmsg(0xffffffffffffff9c, &(0x7f0000006c80)=[{{&(0x7f0000000480)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @local}}}, 0x80, &(0x7f0000000600)=[{&(0x7f0000000500)=""/236, 0xec}], 0x1, &(0x7f0000000640)=""/155, 0x9b, 0x7}, 0x6}, {{&(0x7f0000000700)=@ax25, 0x80, &(0x7f0000001780)=[{&(0x7f0000000780)=""/4096, 0x1000}], 0x1, &(0x7f00000017c0)=""/4096, 0x1000, 0x4}, 0x8100000000000}, {{&(0x7f00000027c0)=@in6={0x0, 0x0, 0x0, @ipv4={[], [], @empty}}, 0x80, &(0x7f0000002980)=[{&(0x7f0000002840)=""/60, 0x3c}, {&(0x7f0000002880)=""/177, 0xb1}, {&(0x7f0000002940)=""/12, 0xc}], 0x3, 0x0, 0x0, 0x7fffffff}, 0x8000}, {{&(0x7f00000029c0)=@un=@file, 0x80, &(0x7f0000003b00)=[{&(0x7f0000002a40)=""/152, 0x98}, {&(0x7f0000002b00)=""/4096, 0x1000}], 0x2, &(0x7f0000003b40)=""/154, 0x9a, 0xfffffffffffff001}, 0x94d7}, {{&(0x7f0000003c00)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @remote}}}, 0x80, &(0x7f0000003f00)=[{&(0x7f0000003c80)=""/240, 0xf0}, {&(0x7f0000003d80)=""/198, 0xc6}, {&(0x7f0000003e80)=""/96, 0x60}], 0x3, 0x0, 0x0, 0xfffffffffffffffa}, 0xd09}, {{&(0x7f0000003f40)=@l2, 0x80, &(0x7f00000064c0)=[{&(0x7f0000003fc0)=""/154, 0x9a}, {&(0x7f0000004080)=""/69, 0x45}, {&(0x7f0000004100)=""/23, 0x17}, {&(0x7f0000004140)=""/185, 0xb9}, {&(0x7f0000004200)=""/101, 0x65}, {&(0x7f0000004280)=""/205, 0xcd}, {&(0x7f0000004380)=""/136, 0x88}, {&(0x7f0000004440)=""/4096, 0x1000}, {&(0x7f0000005440)=""/4096, 0x1000}, {&(0x7f0000006440)=""/86, 0x56}], 0xa, &(0x7f0000006540)=""/243, 0xf3, 0x2}, 0x80000001}, {{&(0x7f0000006640)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @mcast1}}}, 0x80, &(0x7f0000006c40)=[{&(0x7f00000066c0)=""/215, 0xd7}, {&(0x7f00000067c0)=""/245, 0xf5}, {&(0x7f00000068c0)=""/121, 0x79}, {&(0x7f0000006940)=""/14, 0xe}, {&(0x7f0000006980)=""/99, 0x63}, {&(0x7f0000006a00)=""/246, 0xf6}, {&(0x7f0000006b00)=""/36, 0x24}, {&(0x7f0000006b40)=""/233, 0xe9}], 0x8, 0x0, 0x0, 0x7ff}, 0x6}], 0x7, 0x10100, 0x0) connect$pppoe(r5, &(0x7f0000006e80)={0x18, 0x0, {0x0, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x10}, 'dummy0\x00'}}, 0x1e) getsockopt$inet_sctp6_SCTP_ASSOCINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000006d80)={0x0, 0x3, 0x800, 0x1, 0x5, 0x6}, &(0x7f0000006dc0)=0x14) getsockopt$inet_sctp6_SCTP_CONTEXT(r6, 0x84, 0x11, &(0x7f0000006e00)={r7, 0x2}, &(0x7f0000006e40)=0x8) setsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000003c0)={r2, r3, r4}, 0xc) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) r9 = socket(0xb, 0x80b, 0xfffffffffffff7c4) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r8}, &(0x7f0000000240)=0x3) r11 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockname$ax25(r11, &(0x7f0000000400), &(0x7f0000000440)=0x10) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r11, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0x4) getsockopt$inet_sctp6_SCTP_CONTEXT(r11, 0x84, 0x11, &(0x7f0000000180)={r10, 0xd68}, &(0x7f0000000200)=0xd238a5a2cdfc47d7) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) getsockopt$sock_linger(r9, 0x1, 0xd, &(0x7f0000000280), &(0x7f00000002c0)=0x8) 2018/03/07 14:40:53 executing program 4: r0 = syz_open_procfs(0x0, &(0x7f0000000040)='net/ip_mr_cache\x00') getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000140)={0x0, @in6={{0xa, 0x4e20, 0xcb6, @ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, 0x9}}, 0x0, 0x1, 0xffffffff, 0x1, 0x80}, &(0x7f0000000000)=0x98) write$selinux_context(r0, &(0x7f0000000100)='system_u:object_r:dhcpc_var_run_t:s0\x00', 0x25) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000200)={r1, 0x6800000, 0x10, 0x2, 0x100}, &(0x7f0000000240)=0x18) ioctl$LOOP_SET_FD(0xffffffffffffffff, 0x4c00, r0) preadv(r0, &(0x7f0000000380)=[{&(0x7f00000002c0)=""/154, 0x49}], 0x1, 0x0) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(r0, 0x84, 0x73, &(0x7f0000000080)={r1, 0x8, 0x30, 0xf531, 0x5}, &(0x7f00000000c0)=0x18) 2018/03/07 14:40:53 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) writev(r0, &(0x7f00002cdff0)=[{&(0x7f0000000000)="3900000011000947011b61e6c30500fe070000000200000045efffff08009b0019001a0000743e7ea5e7020000003f00000000000600040000", 0x39}], 0x1) r1 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x103200, 0x89) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffff9c, 0x84, 0x1d, &(0x7f0000000080)={0x3, [0x0, 0x0, 0x0]}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r1, 0x84, 0x70, &(0x7f0000000100)={r2, @in={{0x2, 0x4e23, @empty}}, [0x3f, 0xfff, 0x2, 0xfffffffffffffff9, 0xfffffffffffffffd, 0x8, 0x9, 0x100000000, 0x7fffffff, 0xfff, 0xb0, 0x7, 0x100000001, 0x2, 0x3ff]}, &(0x7f0000000200)=0x100) r3 = dup3(r0, r0, 0x80000) ioctl$KDDISABIO(r3, 0x4b37) 2018/03/07 14:40:53 executing program 0: mmap(&(0x7f0000000000/0x4cc000)=nil, 0x4cc000, 0x0, 0x65031, 0xffffffffffffffff, 0x0) r0 = syz_fuseblk_mount(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)='./file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x2, 0x0) ioctl$PIO_FONT(r1, 0x4b61, &(0x7f00000001c0)="5f07b4ec6d3ba83586c26bc875aa916d9bd13a0d23c2484ab68d53260c00b5f84c0348bd66d6e12b6e28a31936bfdd962aae9e207f8bb6dbfb9c4da1a8f175d67e9b6c2e362c1f71150304aa3e") socketpair$inet_udp(0x2, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) sendfile(r0, r2, &(0x7f0000000140)=0xfffffffffffffffc, 0x6) fchmod(r1, 0xc0) ioctl$PERF_EVENT_IOC_ID(r1, 0x80042407, &(0x7f0000000180)) ioctl$FUSE_DEV_IOC_CLONE(r0, 0x8004e500, &(0x7f00000000c0)) 2018/03/07 14:40:53 executing program 6: r0 = socket(0x1000000010, 0x3, 0x0) getsockopt$sock_int(r0, 0x1, 0x2f, &(0x7f00000000c0), &(0x7f0000000100)=0x4) fcntl$setflags(r0, 0x2, 0x1) r1 = memfd_create(&(0x7f0000a04ff0)='rose0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00', 0x0) write(r1, &(0x7f00008c0000)="6fd658af392a0ea243cc2d37e723df1d699c51fa", 0x14) sendfile(r1, r1, &(0x7f0000001000), 0xfec) fchmodat(r1, &(0x7f0000000000)='./file0\x00', 0x12) mmap(&(0x7f0000001000/0x1000)=nil, 0x1000, 0x80000, 0x11, r1, 0x0) unlink(&(0x7f0000001000)='./file0\x00') 2018/03/07 14:40:53 executing program 3: r0 = socket$inet(0x2, 0xe, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) recvmmsg(r0, &(0x7f00000002c0)=[{{&(0x7f0000000000)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000080)=""/22, 0x16}], 0x1, &(0x7f0000000100)=""/43, 0x2b, 0x6}, 0x3f}, {{&(0x7f0000000140)=@rc, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000400)=""/4096, 0x1000}], 0x1, &(0x7f0000000200)=""/187, 0xbb, 0x5}, 0x3}], 0x2, 0x10000, &(0x7f0000000300)={0x77359400}) r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000003ac0)='/dev/hwrng\x00', 0x80200, 0x0) ioctl$DRM_IOCTL_SET_UNIQUE(r1, 0x40086410, &(0x7f0000003b80)={0x44, &(0x7f0000003b00)="63f2a7df5154830ce8fb14d15fe552d3a7a8ee4f9a4aa0f691fadb6cdbb25f2ca51691de3d137c38c810a7bc9f11efa0799714c6678643e09bbe0eea8118b5a2d17fe7e4"}) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000001d40)={0x0, 0x9, 0x9}, &(0x7f0000001d80)=0x8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r1, 0x84, 0x10, &(0x7f0000001dc0)=@assoc_value={r2, 0x6}, 0x8) ioctl$sock_proto_private(r0, 0x89e1, &(0x7f0000000340)="10bbb2a12cc73be31c5a5292cda9ae9ec12a2f83e67f4fc75b2c11463ac4c11161dad5746a90d7f90bf7d1f117cd4e1679dbd1164f40d15fc3a8db2098f4f7f9f653c888e7e6edfa12e5d00f51e79f63f92ec22187f7c6d4c886b3cb55560b24afb4d467ee19feb323cac25127480a0f43dae7aa3133bbba9cd05b66f3de") r3 = open(&(0x7f0000001400)='./file0\x00', 0x80002, 0xc6) getpeername$llc(r3, &(0x7f0000003a40)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, &(0x7f0000003a80)=0x10) sendmmsg$nfc_llcp(r3, &(0x7f0000003940)=[{&(0x7f0000001440)={0x27, 0x0, 0x0, 0x1, 0x7, 0x3f, "3ccdc2574bc811494ec1b1c4fe2bd595a896977cc616487b0a617292a6e2685819d741a7c5ce7bafa4ddd71b3ee851800576efd0a4f5b97ddbffd436b4b49f"}, 0x58, &(0x7f0000001500)=[{&(0x7f00000014c0)="7898be627d99ebd3", 0x8}], 0x1, &(0x7f0000001540)={0x10, 0x119, 0x4, "5f11"}, 0x10, 0x800}, {&(0x7f0000001580)={0x27, 0x1, 0x2, 0x5, 0x1, 0x0, "8ebb8cca6ea3c2e5afa48e1b1c592eef26a70b39384404e9f4d091be02e951fee65214c8029faf878b2d46fcee8308297bf2c790a97a2fcd56fa64c4e5e87c", 0x23}, 0x58, &(0x7f0000001640)=[{&(0x7f0000001600)="38807366c9f23eee913278187fd902cc9b5264b1c937791373559352d7f694aaf71154cadb170aed16bcf4c989822343e01f268bacc0b1", 0x37}], 0x1, &(0x7f0000001680)=ANY=[@ANYBLOB="f4000000ff0100000500000043284e9385498b2bce0eab42022673353f6e2e83fdd6f05dc0e01b9424ff7cf22467e4ded9bbc1db5c560a4a12c0245b485700d3cfc5d5b5de8de4cc2ba9f9cb3446c0d4dc105fe91cdade8ba716b55f70d596fb96ec7fc65012387061ba341b4e39b3fe4f0717e59c17a07c0d767c3f28d7f5cf16c93f368dbb72ed23343259682cb141e97cc66364c2b82cfc310a99754ab5a09605e0b1cd67048c435f2eb18de103ac665acf495d264c587680d50357f0d61ed9d6e43ef0deb7d43a384f78533f9a6a519275d426fe08130a96c3a79a5201976d53110c76d2f81f63db4c97b7318bf84464e400"], 0xf4, 0x4000}, {&(0x7f0000001780)={0x27, 0x1, 0x1, 0x7, 0x40, 0x0, "1d536c3d4e00a3fec51eefeb3d6aa9de169763ea2a680fa030e47dc6a2ed4d83ffedb94d91de77f7756bce6220f9083077b30667fa3dfc4962628e47dbf512", 0x19}, 0x58, &(0x7f0000001980)=[{&(0x7f0000001800)="28d971336a9c8f4fa5418af5186c2e775d03c7425a74aa03089c9c746710f5a614d5939440f477984b5ece", 0x2b}, {&(0x7f0000001840)="4ee49fbabef9b469ba4624d8e9d2d2d64e8c59b7010b6cdc5a768f7acbf56d5a6096f4586b696635e8918ea371", 0x2d}, {&(0x7f0000001880)="af35d2", 0x3}, {&(0x7f00000018c0)="3bfeabf086acf299914478739910b318c6eacbba3e0184ef6e6a060fcb64d9f4545b83cb8c242f63c4b3cd425d3acfb257fa014764b6224d2c4b7d094554fae4146cc5a4a18ac63d3a043d95b3621e43b616758e0c98dd9c035a331ef376617548ffdb51649dc7d306413e928ff797076a176c767969fb14b461e123148578d09d9982f77a11428429a8e8650e315f97eba21d4c1097da9113ba", 0x9a}], 0x4, &(0x7f00000019c0)={0x68, 0x7, 0x8, "4c87dc40deb60498cdb753a77fdead9eb6c3db81f9239c690467bafe1d616cf472cf71c0045846e9b167ef31e99e8b0737bca6a726c0001daa75709d869836e6f01ea31e1893ab2b9db8a01de54a67028d44da3bcb0455f682741e"}, 0x68}, {&(0x7f0000001a40)={0x27, 0x1, 0x1, 0x0, 0x5, 0x6, "d9f34f54a63ea86235b748d796b850b5e1a058b81d3cf7885539fc3afe83e3f43faf63246206d3a81651feb92c81b6acaec92d729312fd180a9c4192f514b3", 0x2d}, 0x58, &(0x7f0000001bc0)=[{&(0x7f0000001ac0)="d02d155799cd894408d74a6ffde4646e348b7ba1943f29fd4aa814e1e96596dd4448ab6b936d1b59ea5d0a14f30fd034441d46cc94bbd9d8b9a8b67f4af045c51eee36be2ec4", 0x46}, {&(0x7f0000001b40)="f16ade7224ede052989b877f3ea3d4f4840a21fd8696751089e02ceb212908192fa75508821d4f264203ade9b879c3144bd161f7626152916e31faa3f088238f65866a83fe4fc8f1dbedd40b8f2b16d6537729d48882dab7a8cfcfcf543732cd54863b61", 0x64}], 0x2, 0x0, 0x0, 0x4001}, {&(0x7f0000001c00)={0x27, 0x1, 0x1, 0x0, 0x5ba40da4, 0x7, "3a1e891aaee545aa6ce2abc49478b38603212e69945e19d74caa19ca5a4b98614b8752016962530c47eac8d86219beefb19ce0ba058f2467a4ffed4e61342e", 0x3c}, 0x58, &(0x7f0000001d00)=[{&(0x7f0000001c80)="395d33ce3a890894d2f93e48e4f17af8b0a2a315284e1bb82b71932975d9c1153dffc9d0b9959a97727f228361471ef81c6fbf2c0d5689236221486add213a9bda3a69bac3888aa7269fddc612ce9b6cfbef218e7300ff71243d420e0e36af80eacd", 0x62}], 0x1, &(0x7f0000003bc0)=ANY=[@ANYBLOB="d40000000e0100007f001524aea37ed238b02e370000ab23ab37747e4473f82c2382ec000000007622bc7e3a0fe4ab1579b72eb2c193c4e38da71fbeb23520907b8350c8f3f0a036350e8459c282e5bd79c4a9638b6d355ebb87e0ebb4a412f9c285286458e887fd57db35739cf446d4c5e681edb44a34c05d35017f1675ebde3da1ae5910e2620dff910ffc7a40cbdd5df96eea559c4b6b66956a0095e4230a468db917e72c7bc8c3de23cfade05f8a56fc28483ffe5af454938c0a96639e7e172dd4b71a13029215510a31125ecdce333cccc7e6baa814c6051cfbf632"], 0xd4, 0x4044050}, {&(0x7f0000001e40)={0x27, 0x0, 0x1, 0x5, 0x0, 0x9bc, "f309de43bad0a9d67b2a8f99ddf4e234e7cf3173aef1384051279f64cb62b7bf6f8939171b5a411aae124afbe0012ea227ef3743b001376d56968748eeafa4", 0x9}, 0x58, &(0x7f0000002380)=[{&(0x7f0000001ec0)="f1fc0acfde8a16067711a928c027ad61dd4f81812f1c7f434c0636802abc2818ed7b78ec83c25e34c365e52162bfeacccdc42f645a8ce18713eab3230f9aadb130a0b7a92287cc7c86b4aae8cc833d6ed9656b7fdb7ddddce9e5d58c619d223e667b2aa99646f812f411d7d1822798c51319", 0x72}, {&(0x7f0000001f40)="f5ad56aac9beb8157ffc38c89be69f3365c2de2051b45d41b95d2b9422fe38ce5ba743d377a0a65f41136d17a6bc7c7857e8ec78e98757d399e793df4669c99fa0a6f2e3f0a6bcc9b771ea256380337c88b925f9590fc209b54dfa1eaf3d3fcc98a7c49cca8167a3f2d1759a886f1fbbd48b8ec415f8ac9b3863c41f3be9ad24354abbf22bb297", 0x87}, {&(0x7f0000002000)="8dc7493cf1038337103d18a53e9a6ae7b4b67da8a07cf49d1e621603a6a354946dbdfb2989722db8a49bc4b64533590316a601fdf7f29ba901fd6d186e7a5ed99072ab6091a8bd0b793694bd347a2ea65f63a0a2d1d7ecb8a7e18fff6b7123ac75e6c9db0fc32707bc699181fbde971189027b27ed788284ccba94063a86c3b0bfc9471e23fcc495f53f66a644fe84f2dcf6a6b2f082eb9ecb574921e698804b00ebe4ac092ab3961e8566a3248006e9980f955fe5bad66dab7b78837febf551b1156796617dcb31b5f8fd1502058a98ebadb7ed493adc914ebf41f54f41cc32e00ea5", 0xe3}, {&(0x7f0000002100)="ad1f370904a75277269a5604e80db05cc71a5aeb40e735b352fd12b144fc85a12c2149deb15a1b2371cbff24ffcd8408d71893081b31", 0x36}, {&(0x7f0000002140)="82543b918a32a7383a5ae97f534ae634195245cdae0e23c8ee3e8f6f630a4df05c4fb44531551347f2d29cd8a4245d4fb22a5f11fec942e8d9966db01e75bd02deecd615d1559caca1b577ceae58a1a893324a5ad7c4185d90f34487ffb698b77c095339a1eff79fdafb44e3017df9ec5ce8839a8b960b4e885651777d525059670e1f", 0x83}, {&(0x7f0000002200)="2647699aa5736b48ddfdcbcf6404896ec44a1789063174fa6e4c78b0e2a40bd675108a8f511d65bd6f895b516d1dea762881f7e973798860c1bbce188486d1b3499d8c7da09e706f10f65291fb295e7531a3820408c77add7b47f9d668adc41b8fc92cd41e0246632a6e8c86ece4a6908b664e41cdc73cc2a201d8ec293ce949624db8855fd1b9027540e48c37a2", 0x8e}, {&(0x7f00000022c0)="396fe705d302ad1b1dcc4dd70c23ba67367e4384c2c91d347803fa8b95b278646c3ec16c271d58cad0d7f5ad95b8275b3aba456b11a6abc9c4b4576dc6a08c927af619a13ed4d9e5b2fe44fc289f0855004d8a8a4997df4bb6fbcc107f20fa3a9fe6e93a84fd415019ec744b3679f646ec27b40c94d0870c3a87cb880e6e824030f81e56534d54fa47496eef7bdaea524ad30e3e91c29a057c6a2b10c16ba687fd63890d141ed7f9c4aa0f1e012de6", 0xaf}], 0x7, 0x0, 0x0, 0x880}, {&(0x7f00000023c0)={0x27, 0x1, 0x0, 0x0, 0x7fff, 0xffffffffffffff00, "4ce180a0c800c000bd5a7b75840341ca7ebee6a95982d89dfa0e27ece31a7283bf39d7a406628514eaa137ac889516ae90fbf8c582b1bf18b0dbf9701c063d", 0x3a}, 0x58, &(0x7f0000003880)=[{&(0x7f0000002440)="93455ddfad0a05692c55f79d46f775ea0e6be2b506cfb2", 0x17}, {&(0x7f0000002480)="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", 0x1000}, {&(0x7f0000003480)="d0495eac3afe7c17e2c34af4d791d0b52c83512d7aa7ecb72ee5235c955b9140d9f24b4202f2e2495e43b60872a05ffdefdc9e474d7d28404490a078912f5f83bf0002286d4b83f943caac446619b6e1ccc7227cd2d86e0c5b615538c4d9ea922b6971e5156ccfb9032dd8df600624e632970d", 0x73}, {&(0x7f0000003500)="b7309130ee9d0b0ab09e1fdad4f234ec5d956b1399e6dca0ac735a71d152ff2c721970021b7bf9cda880890a0f30f684d46589ab7d7ba3b5f50392b81e8500b7fc6a8927d29bde275455e0cc7b8af2", 0x4f}, {&(0x7f0000003580)="0643b27a99fe243584237dc2f8602ee9e4bdb8bfea9c023dffac4fb4fa4de796922ef9dcbe701d39fb7b4aba372703c431c64631258692c7bc9963af837f48a82fa465d0ca2e7bbe2d4eafb0c9e0705355e8546d252b1cb1ef85db2ba9f7d3c3b4e68488f63975f916d5d3794023676fff00c57653e8fd763ecdd45a86bd6d316cc5c03f9f6753b0ce5a54dd3c5626d475af32f0ffdeca59f08e2f0fc42a7c954ddbd7d7802b76b83cd81cc660d96de74a4c527f0427026b75f4c788dd326d86a04e550353058bd1ebf5be198efd897194f517aa920215be48228d20ceb031ec4841532818c33cd11c728f904fd86868f3dd8a", 0xf3}, {&(0x7f0000003680)="28d243985bf38314650ec67cc3559bea28ea12359a1e1e30a42c7811b0841c330573b1ced31605cfa5e89ec7739f1bb6be19cf60b5c801f7898f93cbfcab255113970bbea881cc34e6fdc553d41a74d9f248c825fb8d8129e9e9b2c86627f6b03f89613b7c4c384b044974ab723b053438c6bf", 0x73}, {&(0x7f0000003700)="4fe86a205ed92b05ef550d09db193b82c5d85fc3a03313a83dbe2da4f167920d1ccd1bb317d721512ef9513d7e72239ea4b28a7655a3eb57737de5d6709b0f1c11803d3fd1694c7cc1fa33168608f915ca670863cb5031a890098777c7626965d166cf2ab096c6e5dff57ce534ea54aaf5c042fb480d6ad7c0c3eff91ccc9f15eaaf9da189a0f9a3a3a860dd9d276347db017565453822f70b6211d32ef629caf30140631c3e57adb1f3a7f5d88832106e11521d02c2e3244a6af8d3b1e60c3fa46904fc18020fc98f1b1583679a586bc5f9f77c5ef51c767a27c807089a9e76c707ccebe2684f7ba6b55301469da9f276", 0xf1}, {&(0x7f0000003800)="98ddf0f57be1c1f4d4750d84b93f449979ee2e31643125a23775c66ceba54a3552b6f00824e2adc52a43d695853dfd006387d1f95ad96344c06bae01f5bca04c635c477b8722f827cdfbacc1d24e6e92fbc9ab8c40c598a901876020ea48ba771002864fd104b734a90f9dddcc8f0a8b70d3cb", 0x73}], 0x8, &(0x7f00000038c0)={0x4c, 0x10e, 0x2, "bf57233d5c1c5b87257f5dd0950245a888321768cfbdbc9dc8bfa2b9520c5bce24aeda1937d77bd07b23d4d695daff7f0e3cdbe34d8f847576108a133f"}, 0x4c, 0x10}], 0x7, 0x20040000) 2018/03/07 14:40:53 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000", 0x14) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:53 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x2cd) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e22, @broadcast=0xffffffff}, 0xfffffef0) 2018/03/07 14:40:53 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) r1 = syz_open_dev$sg(&(0x7f0000000000)='/dev/sg#\x00', 0x100000001, 0x8000) setsockopt$sock_timeval(r1, 0x1, 0x0, &(0x7f0000000080)={0x77359400}, 0x8) ioctl$TIOCNXCL(r1, 0x540d) sendmsg$key(r0, &(0x7f0000f56000)={0x0, 0x0, &(0x7f0000f36000)={&(0x7f0000333f88)={0x2, 0x3, 0x0, 0x9, 0xc, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, [@sadb_x_sa2={0x2, 0x13, 0x2}, @sadb_address={0x3, 0x6, 0x0, 0x0, 0x0, @in={0x2, 0x4e20, @multicast1=0xe0000001}}, @sadb_sa={0x2, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2}, @sadb_address={0x3, 0x5, 0x0, 0x0, 0x0, @in={0x2, 0x4e20, @multicast1=0xe0000001}}]}, 0x60}, 0x1}, 0x0) creat(&(0x7f0000000040)='./file0\x00', 0x1) 2018/03/07 14:40:53 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600", 0x1e) fstat(r0, &(0x7f00000000c0)) [ 80.460291] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1941 sclass=netlink_route_socket pig=9535 comm=syz-executor5 2018/03/07 14:40:54 executing program 7: madvise(&(0x7f0000bdc000/0x2000)=nil, 0x2000, 0x3) munmap(&(0x7f0000bdc000/0x3000)=nil, 0x3000) madvise(&(0x7f0000bde000/0x3000)=nil, 0x3000, 0x0) 2018/03/07 14:40:54 executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000febff6)='/dev/ptmx\x00', 0x0, 0x0) r1 = epoll_create(0x10007fff) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r2 = syz_open_pts(r0, 0x0) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x200080, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r3, 0x40605346, &(0x7f0000000040)={0x80000000, 0x2, {0x0, 0x3, 0x1, 0x3, 0x5}}) dup3(r1, r0, 0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r2, &(0x7f0000fe1ff4)) epoll_ctl$EPOLL_CTL_MOD(r1, 0x3, r2, &(0x7f0000fee000)) 2018/03/07 14:40:54 executing program 5: r0 = socket$netlink(0x10, 0x3, 0xe) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0xfffffffffffffffd}, 0xffffff25, &(0x7f0000000200)={&(0x7f0000000040)=ANY=[@ANYPTR64, @ANYRES32=0x0, @ANYBLOB="00000000df4856e7c128205b07834ded1cdec5832503ea949a1b7b4ad08969d6962d92925cf44ffe3876694725c21f3442e1cebc6efaed2ceda384a4700c63dbf32dfb16e6"], 0x3}, 0x1}, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f00000000c0)={0x0, 0x8000, 0x1ff, 0x7}, 0x8) 2018/03/07 14:40:54 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) getsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f0000000000), &(0x7f0000000040)=0x4) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) [ 80.534860] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 80.553744] CPU: 1 PID: 9543 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 80.561288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.561676] BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor4/9566 [ 80.561689] caller is __this_cpu_preempt_check+0x1c/0x20 [ 80.584509] ffff8801b304f8a8 ffffffff81d956f9 1ffff10036609f18 ffff8801b80cc800 [ 80.592513] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b304f9b8 [ 80.600510] ffffffff81451c92 024000c2b304f8f8 0000000041b58ab3 ffffffff84195b35 [ 80.608499] Call Trace: [ 80.611066] [] dump_stack+0xc1/0x128 [ 80.616410] [] warn_alloc+0x212/0x240 [ 80.621840] [] ? zone_watermark_ok_safe+0x280/0x280 [ 80.628484] [] ? avc_has_perm+0xb0/0x4f0 [ 80.634176] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 80.640644] [] __vmalloc_node_range+0x3f5/0x5f0 [ 80.646940] [] ? check_preemption_disabled+0x3b/0x200 [ 80.653753] [] ? task_has_security+0x130/0x270 [ 80.659961] [] vmalloc+0x5b/0x70 [ 80.664956] [] ? sel_write_load+0x130/0xfd0 [ 80.670902] [] sel_write_load+0x130/0xfd0 [ 80.676678] [] ? sel_read_bool+0x250/0x250 [ 80.682538] [] ? sel_read_bool+0x250/0x250 [ 80.688401] [] __vfs_write+0x103/0x680 [ 80.693919] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 80.700386] [] ? __might_sleep+0x95/0x1a0 [ 80.706163] [] ? __lock_is_held+0xa1/0xf0 [ 80.711941] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 80.718760] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 80.725315] [] ? __sb_start_write+0x14a/0x310 [ 80.731439] [] vfs_write+0x189/0x530 [ 80.736779] [] SyS_pwrite64+0x13f/0x170 [ 80.742382] [] ? SyS_pread64+0x170/0x170 [ 80.748076] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 80.754632] [] ? from_kgid_munged+0x1ee/0x2c0 [ 80.760751] [] sys32_pwrite+0x39/0x50 [ 80.766177] [] ? sys32_pread+0x50/0x50 [ 80.771693] [] do_fast_syscall_32+0x2f5/0x870 [ 80.777817] [] ? trace_hardirqs_off_thunk+0x1a/0x1c 2018/03/07 14:40:54 executing program 7: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) signalfd4(r0, &(0x7f0000000000)={0x9}, 0x8, 0x80800) r2 = dup2(r1, r1) r3 = socket$inet_tcp(0x2, 0x1, 0x0) sendmsg$netlink(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000002c00)=[{&(0x7f0000001640)={0x10, 0x0, 0x0, 0x0, 0x0, "", []}, 0x10}], 0x1, &(0x7f00000000c0)=ANY=[@ANYBLOB="100400006295f52d7d6e5d64d2e3eaa19243", @ANYRES32=r3], 0x10}, 0x0) recvmsg(r0, &(0x7f0000019fc8)={0x0, 0x0, &(0x7f0000011000)=[], 0x0, &(0x7f000001b000)}, 0x2) ioctl$sock_SIOCGSKNS(r2, 0x894c, &(0x7f0000000040)=0x5) 2018/03/07 14:40:54 executing program 3: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x490100, 0x0) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r0) [ 80.784462] [] entry_SYSENTER_compat+0x90/0xa2 [ 80.790670] CPU: 0 PID: 9566 Comm: syz-executor4 Not tainted 4.9.86-gb324a70 #58 [ 80.798194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.807538] ffff8801d93df668 ffffffff81d956f9 0000000000000000 ffffffff83c19000 [ 80.815554] ffffffff83f45e20 ffff8801d93e9800 0000000000000003 ffff8801d93df6a8 [ 80.823565] ffffffff81dfccf4 ffff8801d93df6c0 ffffffff83f45e20 dffffc0000000000 [ 80.831597] Call Trace: [ 80.834176] [] dump_stack+0xc1/0x128 [ 80.839532] [] check_preemption_disabled+0x1d4/0x200 [ 80.846280] [] __this_cpu_preempt_check+0x1c/0x20 [ 80.852763] [] ipcomp_init_state+0x188/0x930 [ 80.858810] [] ? __lock_is_held+0xa1/0xf0 [ 80.864594] [] ipcomp4_init_state+0xb0/0x7d0 [ 80.870638] [] __xfrm_init_state+0x3e7/0xb30 [ 80.876682] [] xfrm_init_state+0x1a/0x20 [ 80.882379] [] pfkey_add+0x1fb9/0x3470 [ 80.882904] Mem-Info: [ 80.882922] active_anon:57957 inactive_anon:44 isolated_anon:0 [ 80.882922] active_file:3500 inactive_file:8863 isolated_file:0 [ 80.882922] unevictable:0 dirty:70 writeback:0 unstable:0 [ 80.882922] slab_reclaimable:6948 slab_unreclaimable:59154 [ 80.882922] mapped:23844 shmem:51 pagetables:708 bounce:0 [ 80.882922] free:1470871 free_pcp:423 free_cma:0 [ 80.882936] Node 0 active_anon:231828kB inactive_anon:176kB active_file:14000kB inactive_file:35452kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95376kB dirty:280kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 80.882952] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 80.882977] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 80.883002] Normal free:2887632kB min:36824kB low:46028kB high:55232kB active_anon:231828kB inactive_anon:176kB active_file:14000kB inactive_file:35452kB unevictable:0kB writepending:280kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27792kB slab_unreclaimable:236616kB kernel_stack:5760kB pagetables:2832kB bounce:0kB free_pcp:920kB local_pcp:672kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 80.883052] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 164*4kB (UME) 80*8kB (UME) 118*16kB (UME) 106*32kB (UME) 229*64kB (UME) 27*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 695*4096kB (M) = 2887792kB [ 80.883146] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 80.883149] 12413 total pagecache pages [ 80.883152] 0 pages in swap cache [ 80.883156] Swap cache stats: add 0, delete 0, find 0/0 [ 80.883158] Free swap = 0kB [ 80.883160] Total swap = 0kB [ 80.883162] 1965969 pages RAM [ 80.883164] 0 pages HighMem/MovableOnly [ 80.883166] 320510 pages reserved [ 80.883234] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 81.144062] [] ? pfkey_delete+0x360/0x360 [ 81.149837] [] ? pfkey_seq_stop+0x80/0x80 [ 81.155618] [] ? __skb_clone+0x24a/0x7d0 [ 81.161302] [] ? pfkey_delete+0x360/0x360 [ 81.167076] [] pfkey_process+0x68b/0x750 [ 81.172764] [] ? pfkey_send_new_mapping+0x11b0/0x11b0 [ 81.179585] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 81.186399] [] pfkey_sendmsg+0x3a9/0x760 [ 81.192086] [] ? pfkey_spdget+0x820/0x820 [ 81.197867] [] sock_sendmsg+0xca/0x110 [ 81.203377] [] ___sys_sendmsg+0x6d1/0x7e0 [ 81.209151] [] ? copy_msghdr_from_user+0x570/0x570 [ 81.215708] [] ? entry_SYSENTER_compat+0x90/0xa2 [ 81.222092] [] ? check_preemption_disabled+0x3b/0x200 [ 81.228910] [] ? __fget+0x20a/0x3b0 [ 81.234161] [] ? __fget+0x231/0x3b0 [ 81.239411] [] ? __fget+0x47/0x3b0 [ 81.244579] [] ? __fget_light+0x169/0x1f0 [ 81.250356] [] ? __fdget+0x18/0x20 [ 81.255527] [] ? sockfd_lookup_light+0x118/0x160 [ 81.261909] [] __sys_sendmsg+0xd6/0x190 [ 81.267508] [] ? SyS_shutdown+0x1b0/0x1b0 [ 81.273279] [] ? __fget+0x231/0x3b0 [ 81.278534] [] ? compat_SyS_futex+0x1f9/0x2a0 [ 81.284656] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 81.291209] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 81.297329] [] compat_SyS_sendmsg+0x2a/0x40 [ 81.303275] [] ? compat_SyS_getsockopt+0x2a0/0x2a0 [ 81.309833] [] do_fast_syscall_32+0x2f5/0x870 [ 81.315969] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.322612] [] entry_SYSENTER_compat+0x90/0xa2 [ 81.328827] CPU: 1 PID: 9588 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 81.336354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.345688] ffff8801b4d7f8a8 ffffffff81d956f9 1ffff100369aff18 ffff8801b517e000 [ 81.353671] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b4d7f9b8 [ 81.361638] ffffffff81451c92 024000c2b4d7f8f8 0000000041b58ab3 ffffffff84195b35 [ 81.369601] Call Trace: [ 81.372159] [] dump_stack+0xc1/0x128 [ 81.377492] [] warn_alloc+0x212/0x240 [ 81.382911] [] ? zone_watermark_ok_safe+0x280/0x280 [ 81.389549] [] ? avc_has_perm+0xb0/0x4f0 [ 81.395229] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 81.401689] [] __vmalloc_node_range+0x3f5/0x5f0 [ 81.407984] [] ? check_preemption_disabled+0x3b/0x200 [ 81.414799] [] ? task_has_security+0x130/0x270 [ 81.421001] [] vmalloc+0x5b/0x70 [ 81.425986] [] ? sel_write_load+0x130/0xfd0 [ 81.431927] [] sel_write_load+0x130/0xfd0 [ 81.437693] [] ? sel_read_bool+0x250/0x250 [ 81.443554] [] ? sel_read_bool+0x250/0x250 [ 81.449408] [] __vfs_write+0x103/0x680 [ 81.454917] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 81.461381] [] ? __might_sleep+0x95/0x1a0 [ 81.467146] [] ? __lock_is_held+0xa1/0xf0 [ 81.472934] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 81.479776] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 81.486322] [] ? __sb_start_write+0x14a/0x310 [ 81.492441] [] vfs_write+0x189/0x530 [ 81.497775] [] SyS_pwrite64+0x13f/0x170 [ 81.503366] [] ? SyS_pread64+0x170/0x170 [ 81.509049] [] ? compat_SyS_setsockopt+0x290/0x290 [ 81.515595] [] ? from_kgid_munged+0x1ee/0x2c0 [ 81.521707] [] sys32_pwrite+0x39/0x50 [ 81.527124] [] ? sys32_pread+0x50/0x50 [ 81.532632] [] do_fast_syscall_32+0x2f5/0x870 [ 81.538747] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 81.545383] [] entry_SYSENTER_compat+0x90/0xa2 [ 81.552345] Mem-Info: [ 81.554753] active_anon:53759 inactive_anon:44 isolated_anon:0 [ 81.554753] active_file:3502 inactive_file:8889 isolated_file:0 [ 81.554753] unevictable:0 dirty:111 writeback:0 unstable:0 [ 81.554753] slab_reclaimable:6942 slab_unreclaimable:59122 [ 81.554753] mapped:23804 shmem:51 pagetables:610 bounce:0 [ 81.554753] free:1475165 free_pcp:505 free_cma:0 [ 81.587999] Node 0 active_anon:215036kB inactive_anon:176kB active_file:14008kB inactive_file:35556kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95216kB dirty:444kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 83968kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 81.617344] 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 [ 81.648047] lowmem_reserve[]: 0 2908 6410 6410 [ 81.653198] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 81.684235] lowmem_reserve[]: 0 0 3501 3501 [ 81.689170] Normal free:2904840kB min:36824kB low:46028kB high:55232kB active_anon:215036kB inactive_anon:176kB active_file:14008kB inactive_file:35556kB unevictable:0kB writepending:448kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27768kB slab_unreclaimable:236492kB kernel_stack:5408kB pagetables:2440kB bounce:0kB free_pcp:1240kB local_pcp:732kB free_cma:0kB [ 81.723021] lowmem_reserve[]: 0 0 0 0 [ 81.727425] 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 [ 81.742733] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 81.759934] Normal: 210*4kB (UME) 82*8kB (UME) 121*16kB (UME) 115*32kB (UME) 231*64kB (UME) 27*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 3*2048kB (UM) 698*4096kB (M) = 2904840kB [ 81.779478] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2018/03/07 14:40:55 executing program 5: r0 = socket$netlink(0x10, 0x3, 0xa) r1 = socket$inet_sctp(0x2, 0x1, 0x84) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r1, 0x84, 0x16, &(0x7f0000000040)={0x1, [0x0]}, 0x6) 2018/03/07 14:40:55 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ppp\x00', 0x100, 0x0) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000200)='/dev/keychord\x00', 0x10000, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000280)={0x0, 0x6}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f00000000c0)={r2, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r3}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:55 executing program 4: mkdir(&(0x7f0000000080)='./file0\x00', 0x7fffffffffe) mount(&(0x7f0000f06000)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f0000aeeffa)='ramfs\x00', 0x0, &(0x7f00007d7000)) chdir(&(0x7f00002d7000)='./file0\x00') chroot(&(0x7f0000000000)='.') umount2(&(0x7f0000f66000)='.', 0x2) r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x0, 0x0) personality(0x500000f) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f00000000c0)={0x80000000, {{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x18}}}, 0x1, 0x9, [{{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e22, @multicast1=0xe0000001}}, {{0x2, 0x4e20, @multicast1=0xe0000001}}, {{0x2, 0x4e24, @broadcast=0xffffffff}}, {{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0xe}}}, {{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e22, @loopback=0x7f000001}}, {{0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e22, @rand_addr=0x3}}]}, 0x50c) 2018/03/07 14:40:55 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600", 0x1e) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:55 executing program 0: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600", 0x1e) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:55 executing program 3: setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x4080, 0x0) ioctl$DRM_IOCTL_ADD_BUFS(r0, 0xc0186416, &(0x7f0000000040)={0x9, 0x9, 0x80, 0x1, 0x15, 0x9}) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000080)={0x0, 0x9}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(0xffffffffffffffff, 0x84, 0x22, &(0x7f0000000100)={0x8, 0x8000, 0x80000001, 0x4, r1}, 0x10) bind$inet(0xffffffffffffffff, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) 2018/03/07 14:40:55 executing program 7: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f00000003c0)='sit0\x00', 0x10) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) r1 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000000)='/dev/keychord\x00', 0x490100, 0x0) ioctl$LOOP_CHANGE_FD(r1, 0x4c06, r0) 2018/03/07 14:40:55 executing program 6: r0 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) getsockopt$inet_tcp_buf(r0, 0x6, 0x1f, &(0x7f0000000000)=""/29, &(0x7f0000000040)=0x1d) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) sendto$inet(r1, &(0x7f0000fd0000), 0xffffff73, 0x200007ff, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) setsockopt$inet_int(r1, 0x0, 0x1, &(0x7f0000321ffc)=0x9, 0x4) setsockopt$inet_int(r1, 0x0, 0x4, &(0x7f0000bdaffc), 0x0) sendto$inet(r1, &(0x7f0000f45fff)='x', 0x1, 0x0, &(0x7f0000cb4000)={0x2, 0x4e20, @empty}, 0x10) 2018/03/07 14:40:55 executing program 0: mkdir(&(0x7f000000dff6)='./control\x00', 0x0) r0 = open(&(0x7f0000039000)='./control\x00', 0x0, 0x0) mkdirat(r0, &(0x7f0000097ff6)='./control\x00', 0x0) mkdirat(r0, &(0x7f0000016ff8)='./file0\x00', 0x0) r1 = openat(r0, &(0x7f0000025000)='./file0\x00', 0x0, 0x0) symlinkat(&(0x7f0000023ff8)='./control\x00', r1, &(0x7f0000012ff6)='./control\x00') renameat2(r1, &(0x7f0000bee000)='./control\x00', r0, &(0x7f000003a000)='./control\x00', 0x2) syz_extract_tcp_res(&(0x7f0000000000), 0x7, 0x280) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000fa3ff6)='./control\x00', 0x0, 0x0) renameat2(r0, &(0x7f0000576ff8)='./file0\x00', r2, &(0x7f0000d38ff6)='./control\x00', 0x2) [ 81.788225] 12451 total pagecache pages [ 81.792178] 0 pages in swap cache [ 81.795597] Swap cache stats: add 0, delete 0, find 0/0 [ 81.800946] Free swap = 0kB [ 81.803940] Total swap = 0kB [ 81.806951] 1965969 pages RAM [ 81.810034] 0 pages HighMem/MovableOnly [ 81.813973] 320510 pages reserved 2018/03/07 14:40:55 executing program 3: r0 = syz_open_dev$tun(&(0x7f0000000040)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000002380)={"64596df17c0e4200", 0x4000002000000401}) ioctl$TUNDETACHFILTER(r0, 0x401054d6, 0x0) ioctl$TUNGETFEATURES(r0, 0x800454cf, &(0x7f0000000000)) 2018/03/07 14:40:55 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600", 0x1e) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:55 executing program 7: seccomp(0x200000000000001, 0x0, &(0x7f0000000080)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0xffffffff}]}) r0 = gettid() r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x88100, 0x0) r2 = accept4$inet(r1, &(0x7f00000000c0)={0x0, 0x0, @multicast2}, &(0x7f0000000100)=0x10, 0x80000) fcntl$setown(r2, 0x8, r0) r3 = eventfd2(0x9, 0x1) syz_open_dev$mice(&(0x7f0000001400)='/dev/input/mice\x00', 0x0, 0x842) sendfile(r3, r2, &(0x7f0000000180), 0x20000009) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r4, 0x5452, &(0x7f0000008ff8)=0x3f) ioctl$sock_FIOSETOWN(r4, 0x8901, &(0x7f00008d6000)=r0) poll(&(0x7f0000000000)=[{r5}], 0x1, 0x81) fcntl$setsig(r4, 0xa, 0x12) dup2(r4, r5) tkill(r0, 0x15) 2018/03/07 14:40:55 executing program 0: r0 = add_key$user(&(0x7f0000098ffb)='user\x00', &(0x7f0000354000)={0x73, 0x79, 0x7a, 0x0}, &(0x7f00005f4f97)="90", 0x1, 0xfffffffffffffffd) keyctl$read(0xb, r0, &(0x7f0000838fbb)=""/69, 0x45) [ 81.831112] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 81.863605] CPU: 1 PID: 9611 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 81.871143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.880485] ffff8801bf48f8a8 ffffffff81d956f9 1ffff10037e91f18 ffff8801bad69800 [ 81.888473] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801bf48f9b8 [ 81.896449] ffffffff81451c92 024000c2bf48f8f8 0000000041b58ab3 ffffffff84195b35 [ 81.904421] Call Trace: [ 81.906986] [] dump_stack+0xc1/0x128 [ 81.912323] [] warn_alloc+0x212/0x240 [ 81.917745] [] ? zone_watermark_ok_safe+0x280/0x280 [ 81.924380] [] ? avc_has_perm+0xb0/0x4f0 [ 81.930063] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 81.936524] [] __vmalloc_node_range+0x3f5/0x5f0 [ 81.942816] [] ? check_preemption_disabled+0x3b/0x200 [ 81.949624] [] ? task_has_security+0x130/0x270 [ 81.955823] [] vmalloc+0x5b/0x70 [ 81.960810] [] ? sel_write_load+0x130/0xfd0 [ 81.966750] [] sel_write_load+0x130/0xfd0 [ 81.972518] [] ? sel_read_bool+0x250/0x250 [ 81.978374] [] ? sel_read_bool+0x250/0x250 [ 81.984230] [] __vfs_write+0x103/0x680 [ 81.989739] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 81.996204] [] ? __might_sleep+0x95/0x1a0 [ 82.001971] [] ? __lock_is_held+0xa1/0xf0 [ 82.007738] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 82.014548] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 82.021097] [] ? __sb_start_write+0x14a/0x310 [ 82.027211] [] vfs_write+0x189/0x530 [ 82.032545] [] SyS_pwrite64+0x13f/0x170 [ 82.038141] [] ? SyS_pread64+0x170/0x170 [ 82.043824] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 82.049940] [] sys32_pwrite+0x39/0x50 [ 82.055360] [] ? sys32_pread+0x50/0x50 [ 82.060867] [] do_fast_syscall_32+0x2f5/0x870 [ 82.066984] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.073621] [] entry_SYSENTER_compat+0x90/0xa2 [ 82.093500] Mem-Info: [ 82.095997] active_anon:56873 inactive_anon:44 isolated_anon:0 [ 82.095997] active_file:3502 inactive_file:8889 isolated_file:0 [ 82.095997] unevictable:0 dirty:113 writeback:0 unstable:0 [ 82.095997] slab_reclaimable:6944 slab_unreclaimable:59052 [ 82.095997] mapped:23819 shmem:51 pagetables:634 bounce:0 [ 82.095997] free:1471568 free_pcp:457 free_cma:0 [ 82.129891] Node 0 active_anon:219224kB inactive_anon:176kB active_file:14008kB inactive_file:35612kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95204kB dirty:472kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 79872kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 82.160211] 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 [ 82.189543] lowmem_reserve[]: 0 2908 6410 6410 [ 82.194763] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 82.225882] lowmem_reserve[]: 0 0 3501 3501 [ 82.231153] Normal free:2900968kB min:36824kB low:46028kB high:55232kB active_anon:219224kB inactive_anon:176kB active_file:14008kB inactive_file:35612kB unevictable:0kB writepending:476kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27760kB slab_unreclaimable:236156kB kernel_stack:5536kB pagetables:2492kB bounce:0kB free_pcp:1076kB local_pcp:660kB free_cma:0kB [ 82.264974] lowmem_reserve[]: 0 0 0 0 [ 82.269395] 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 [ 82.284675] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 82.301908] Normal: 205*4kB (UME) 85*8kB (UM) 119*16kB (UME) 111*32kB (UME) 233*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 5*2048kB (UM) 696*4096kB (M) = 2900844kB [ 82.321879] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 82.330598] 12457 total pagecache pages [ 82.334559] 0 pages in swap cache [ 82.338087] Swap cache stats: add 0, delete 0, find 0/0 [ 82.343427] Free swap = 0kB [ 82.346413] Total swap = 0kB [ 82.349424] 1965969 pages RAM [ 82.352506] 0 pages HighMem/MovableOnly [ 82.356444] 320510 pages reserved [ 82.359925] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 82.369956] CPU: 0 PID: 9625 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 82.377459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.386782] ffff8801d8f178a8 ffffffff81d956f9 1ffff1003b1e2f18 ffff8801b5af6000 [ 82.394773] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d8f179b8 [ 82.402753] ffffffff81451c92 024000c2d8f178f8 0000000041b58ab3 ffffffff84195b35 [ 82.410718] Call Trace: [ 82.413276] [] dump_stack+0xc1/0x128 [ 82.418609] [] warn_alloc+0x212/0x240 [ 82.424029] [] ? zone_watermark_ok_safe+0x280/0x280 [ 82.430664] [] ? avc_has_perm+0xb0/0x4f0 [ 82.436344] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 82.442814] [] __vmalloc_node_range+0x3f5/0x5f0 [ 82.449104] [] ? check_preemption_disabled+0x3b/0x200 [ 82.455911] [] ? task_has_security+0x130/0x270 [ 82.462113] [] vmalloc+0x5b/0x70 [ 82.467097] [] ? sel_write_load+0x130/0xfd0 [ 82.473035] [] sel_write_load+0x130/0xfd0 [ 82.478802] [] ? sel_read_bool+0x250/0x250 [ 82.484656] [] ? sel_read_bool+0x250/0x250 [ 82.490510] [] __vfs_write+0x103/0x680 [ 82.496016] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 82.502478] [] ? __might_sleep+0x95/0x1a0 [ 82.508246] [] ? __lock_is_held+0xa1/0xf0 [ 82.514014] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 82.520826] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 82.527376] [] ? __sb_start_write+0x14a/0x310 [ 82.533490] [] vfs_write+0x189/0x530 [ 82.538821] [] SyS_pwrite64+0x13f/0x170 [ 82.544411] [] ? SyS_pread64+0x170/0x170 [ 82.550093] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 82.556640] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 82.562755] [] sys32_pwrite+0x39/0x50 [ 82.568175] [] ? sys32_pread+0x50/0x50 [ 82.573680] [] do_fast_syscall_32+0x2f5/0x870 [ 82.579792] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.586428] [] entry_SYSENTER_compat+0x90/0xa2 [ 82.593549] Mem-Info: [ 82.595955] active_anon:53760 inactive_anon:44 isolated_anon:0 [ 82.595955] active_file:3502 inactive_file:8905 isolated_file:0 [ 82.595955] unevictable:0 dirty:123 writeback:0 unstable:0 [ 82.595955] slab_reclaimable:6941 slab_unreclaimable:59039 [ 82.595955] mapped:23804 shmem:51 pagetables:610 bounce:0 [ 82.595955] free:1475216 free_pcp:527 free_cma:0 [ 82.629654] Node 0 active_anon:215040kB inactive_anon:176kB active_file:14008kB inactive_file:35620kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95216kB dirty:492kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 83968kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 82.659457] 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 [ 82.688814] lowmem_reserve[]: 0 2908 6410 6410 [ 82.693965] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 82.725357] lowmem_reserve[]: 0 0 3501 3501 [ 82.730347] Normal free:2905044kB min:36824kB low:46028kB high:55232kB active_anon:215040kB inactive_anon:176kB active_file:14008kB inactive_file:35620kB unevictable:0kB writepending:500kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27768kB slab_unreclaimable:236160kB kernel_stack:5408kB pagetables:2440kB bounce:0kB free_pcp:1324kB local_pcp:660kB free_cma:0kB [ 82.764639] lowmem_reserve[]: 0 0 0 0 [ 82.769028] 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 [ 82.784276] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 82.801932] Normal: 205*4kB (UME) 86*8kB (UM) 119*16kB (UME) 113*32kB (UME) 234*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 3*2048kB (UM) 698*4096kB (M) = 2905076kB [ 82.821357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 82.830455] 12463 total pagecache pages [ 82.834400] 0 pages in swap cache [ 82.837844] Swap cache stats: add 0, delete 0, find 0/0 [ 82.843185] Free swap = 0kB 2018/03/07 14:40:56 executing program 0: getrusage(0x4000000000, &(0x7f0000000080)) 2018/03/07 14:40:56 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000000000000000000006000300010000", 0x23) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000040)={0x10}, 0x8, &(0x7f0000000080)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x1) 2018/03/07 14:40:56 executing program 4: r0 = syz_open_dev$tun(&(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) setsockopt$inet6_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000040)='lp\x00', 0x3) r2 = openat$selinux_avc_hash_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/hash_stats\x00', 0x0, 0x0) setsockopt$inet6_tcp_TCP_FASTOPEN_KEY(r2, 0x6, 0x21, &(0x7f0000000080)="aec64273486fa63cdef4fbd54a666562", 0x10) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'ifb0\x00', 0x4012}) mmap(&(0x7f0000014000/0x2000)=nil, 0x2000, 0x0, 0x32, 0xffffffffffffffff, 0x0) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000100), &(0x7f0000000180)=0x14) ioctl$TUNSETTXFILTER(r0, 0x400454d1, &(0x7f00000001c0)=ANY=[@ANYBLOB="00007e512cbb93cfaf4ee4239b8798001bfead23820e62000961461fbef05a62d717459b338c2ce65e7413711216d67e96c50c08ebf70d8e5734abbb5538bc831088d3b2"]) 2018/03/07 14:40:56 executing program 6: unshare(0x8000400) mkdir(&(0x7f0000066ffa)='./bus\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000059ffa)='./bus\x00', 0x0, 0x0) getdents(r0, &(0x7f0000000000)=""/48, 0x2133f94e6a34fd23) syncfs(r0) getdents(r0, &(0x7f0000000040)=""/47, 0x2f) 2018/03/07 14:40:56 executing program 3: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='/exe\x00\x00\x00\x00\x00\x00') fsetxattr(r0, &(0x7f0000000680)=@known='user.syz\x00', &(0x7f0000002140)="65066a54bb1c28862e728226672100", 0xf, 0x0) sendto(r0, &(0x7f0000000000)="8f6472a7aebeb3f06852a413610aa0d94fede93045352d10f7bb080690c7f2526eecec3c03e658d15da0a65356fc9d404cf2f90cf391ed75d0ec573d668290059082a944b888048bf058ed0d721898fbdbc8c4af1d73764b7227c672f032d35557f4ff5849f8bc5b7fd572877272857656f86f827558a6e6c8137a5f57009f39c8ecfffd803063c2f5a5c8d4c914a696373762792995360034a223164c7a52b2", 0xa0, 0x40000, &(0x7f0000000100)=@in6={0xa, 0x4e24, 0x5, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}, 0x100}, 0x80) 2018/03/07 14:40:56 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) fstatfs(r0, &(0x7f0000000180)=""/5) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:56 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x0, 0x0) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffff9c, 0x84, 0x1b, &(0x7f0000000040)={0x0, 0x22, "0a200bdb7c7283b7068b08ed12eab032aa3d4ae77aaacb31fcaa2be60f7eb7f4cd03"}, &(0x7f0000000080)=0x2a) ioctl$TIOCLINUX3(r1, 0x541c, &(0x7f0000000180)=0x3) fsync(r0) ioctl$sock_ifreq(r1, 0x8971, &(0x7f00000001c0)={'erspan0\x00', @ifru_ivalue}) getsockopt$inet_sctp6_SCTP_GET_LOCAL_ADDRS(r1, 0x84, 0x6d, &(0x7f00000000c0)={r2, 0x73, "0d0e74b28681717ccc208940779a856fa3b766b6da47b3af6cc0383384a9e77b62603399a442417d0cf652160834337fceb9afd084c572778bea9bdb9a7db46b96fad4866811b5e4513cda2a0427b079b738d92faf88ed6c451312f0178de7839972ac743e3234d013aa234e0de74873748c40"}, &(0x7f0000000140)=0x7b) sendmsg$nl_generic(r0, &(0x7f0000004fc8)={&(0x7f000000aff4)={0x10}, 0xc, &(0x7f0000012ff0)={&(0x7f0000011000)={0x1c, 0x2000005a, 0x443, 0xffffffffffffffff, 0xffffffffffffffff, {}, [@typed={0x8, 0x3}]}, 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:56 executing program 0: unshare(0x28060400) exit(0x0) r0 = gettid() timer_create(0x0, &(0x7f0000ec5000)={0x0, 0x12, 0x0, @tid}, &(0x7f0000fd7000)) timer_settime(0x0, 0x0, &(0x7f0000d07000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) sysinfo(&(0x7f0000000000)=""/218) tkill(r0, 0x1000000000016) 2018/03/07 14:40:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c0000001c00070f000000000000000007000000", @ANYRES32=0x0, @ANYBLOB="00b98ba68d176d21cfcdc5df8dc9da0000000000"], 0x1c}, 0x1}, 0x0) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2\x00', 0x80942, 0x0) getsockopt$bt_BT_SNDMTU(r1, 0x112, 0xc, &(0x7f00000000c0)=0x8000, &(0x7f0000000100)=0x2) [ 82.846188] Total swap = 0kB [ 82.849210] 1965969 pages RAM [ 82.852289] 0 pages HighMem/MovableOnly [ 82.856231] 320510 pages reserved [ 82.868570] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 82.885548] CPU: 1 PID: 9649 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 2018/03/07 14:40:56 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000000000000000000006000300010000", 0x23) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:56 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000000000000000000006000300010000", 0x23) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:56 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa7", 0x26) fstat(r0, &(0x7f00000000c0)) [ 82.893075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.902421] ffff8801d92d78a8 ffffffff81d956f9 1ffff1003b25af18 ffff8801b3039800 [ 82.910444] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d92d79b8 [ 82.918462] ffffffff81451c92 024000c2d92d78f8 0000000041b58ab3 ffffffff84195b35 [ 82.926437] Call Trace: [ 82.929004] [] dump_stack+0xc1/0x128 [ 82.934356] [] warn_alloc+0x212/0x240 [ 82.939787] [] ? zone_watermark_ok_safe+0x280/0x280 [ 82.946432] [] ? avc_has_perm+0xb0/0x4f0 [ 82.952119] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 82.958587] [] __vmalloc_node_range+0x3f5/0x5f0 [ 82.964884] [] ? check_preemption_disabled+0x3b/0x200 [ 82.971698] [] ? task_has_security+0x130/0x270 [ 82.977905] [] vmalloc+0x5b/0x70 [ 82.982900] [] ? sel_write_load+0x130/0xfd0 [ 82.988848] [] sel_write_load+0x130/0xfd0 [ 82.994617] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 83.001511] [] ? futex_wake+0x146/0x440 [ 83.007114] [] ? sel_read_bool+0x250/0x250 [ 83.012984] [] ? sel_read_bool+0x250/0x250 [ 83.018846] [] __vfs_write+0x103/0x680 [ 83.024353] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 83.030817] [] ? __might_sleep+0x95/0x1a0 [ 83.036584] [] ? __lock_is_held+0xa1/0xf0 [ 83.042352] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 83.049160] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 83.055710] [] ? __sb_start_write+0x14a/0x310 [ 83.061822] [] vfs_write+0x189/0x530 [ 83.067154] [] SyS_pwrite64+0x13f/0x170 [ 83.072748] [] ? SyS_pread64+0x170/0x170 [ 83.078428] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 83.084541] [] sys32_pwrite+0x39/0x50 [ 83.089969] [] ? sys32_pread+0x50/0x50 2018/03/07 14:40:56 executing program 3: mkdir(&(0x7f0000000000)='./file0\x00', 0x0) mount(&(0x7f000000a000)='./file0\x00', &(0x7f000000aff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x1, &(0x7f000000a000)) removexattr(&(0x7f0000000080)='./file0\x00', &(0x7f00000e6feb)=@known='com.apple.FinderInfo\x00') 2018/03/07 14:40:56 executing program 7: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/enforce\x00', 0x200, 0x0) ioctl$DRM_IOCTL_ADD_CTX(r0, 0xc0086420, &(0x7f0000000040)) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000556ff0)='/dev/sequencer2\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r1, 0x40085112, &(0x7f0000b18000)={{0xffffff92}, {0xe0}}) 2018/03/07 14:40:56 executing program 3: r0 = socket$inet(0x2, 0x2, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000fdcff6)='/dev/ptmx\x00', 0x0, 0x0) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000fdb000)='/dev/vga_arbiter\x00', 0x0, 0x0) ioctl$TCSETS(r1, 0x40045431, &(0x7f00003b9fdc)) r3 = syz_open_pts(r1, 0x0) r4 = dup2(r3, r2) fchmod(r2, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000469ffc)=0x100, 0x4) sendto$inet(r0, &(0x7f0000edf000), 0x0, 0x0, &(0x7f0000ee9ff0)={0x2, 0x4e20, @empty}, 0x10) r5 = fcntl$dupfd(r0, 0x0, r0) recvfrom$inet(r0, &(0x7f0000eeff8d)=""/115, 0x73, 0x12041, &(0x7f0000898ff0)={0x2, 0x4e20, @rand_addr}, 0x10) ioctl$sock_netrom_SIOCGSTAMP(r5, 0x8906, &(0x7f0000bf2000)) ioctl$RNDZAPENTCNT(r4, 0x5204, &(0x7f00000001c0)=0x81) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r5, 0x84, 0x9, &(0x7f0000000000)={0x0, @in={{0x2, 0x4e24, @empty}}, 0x54, 0x20000000000, 0x3f, 0x5, 0x22}, &(0x7f00000000c0)=0x98) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f0000000100)={r6, @in6={{0xa, 0x4e22, 0x10001, @remote={0xfe, 0x80, [], 0xbb}, 0x401}}, 0x9, 0x1000, 0x5, 0x4, 0x20}, 0x98) ioctl$sock_netrom_SIOCGSTAMPNS(r5, 0x8907, &(0x7f0000000200)) [ 83.095491] [] do_fast_syscall_32+0x2f5/0x870 [ 83.101614] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.108252] [] entry_SYSENTER_compat+0x90/0xa2 [ 83.120283] Mem-Info: [ 83.122803] active_anon:56382 inactive_anon:44 isolated_anon:0 [ 83.122803] active_file:3502 inactive_file:8905 isolated_file:0 [ 83.122803] unevictable:0 dirty:126 writeback:0 unstable:0 [ 83.122803] slab_reclaimable:6943 slab_unreclaimable:58980 2018/03/07 14:40:56 executing program 7: r0 = socket$netlink(0x10, 0x3, 0x1f) r1 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) write$selinux_context(r1, &(0x7f0000000040)='system_u:object_r:tmpreaper_exec_t:s0\x00', 0x26) writev(r0, &(0x7f00002aeff8)=[{&(0x7f0000000080)="290000002000190700003fffffffda060200000022e80501040000040d00140010000000000000019c", 0x29}], 0x1) dup2(r0, r0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_POOL(r1, 0xc058534b, &(0x7f00000000c0)={0x400, 0x5, 0x7, 0x7fff, 0x7, 0xf2}) 2018/03/07 14:40:56 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa7", 0x26) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="1cf61ac3bf6341b7e75c1dfda40000001c00070f", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0x1c}, 0x1}, 0x0) r1 = getgid() stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = getegid() fstat(r0, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r6 = getegid() fstat(r0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r8 = getegid() ioctl$sock_proto_private(r0, 0x89e5, &(0x7f0000000580)="011e7090d5b7750f7e0143ea") getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000140)={0x0, 0x0, 0x0}, &(0x7f00000001c0)=0xc) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f0000000400)={0x0, 0x0, 0x0}, &(0x7f0000000440)=0xc) r12 = syz_open_procfs(r10, &(0x7f00000004c0)='net/unix\x00') getsockopt$inet_udp_int(r12, 0x11, 0x64, &(0x7f0000000500), &(0x7f0000000540)=0x4) getgroups(0xa, &(0x7f0000000480)=[r1, r2, r3, r4, r5, r6, r7, r8, r9, r11]) [ 83.122803] mapped:23804 shmem:51 pagetables:647 bounce:0 [ 83.122803] free:1472568 free_pcp:409 free_cma:0 [ 83.157902] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 83.162331] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex 2018/03/07 14:40:56 executing program 4: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0xfffffffffffffffd, 0x0) openat(r0, &(0x7f0000000100)='./file0\x00', 0x10000, 0x0) poll(&(0x7f0000000180)=[{r0, 0x1105}], 0x1, 0x800) ppoll(&(0x7f0000000000)=[{r0, 0x200}, {r0, 0x1}, {r0, 0x2058}, {r0, 0x400}, {r0, 0x2000}], 0x5, &(0x7f0000000080), &(0x7f00000000c0)={0x80}, 0x8) 2018/03/07 14:40:56 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000", 0x24) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:56 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x18000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000080)=@ipv6_getanyicast={0x14, 0x3e, 0x100, 0x70bd2d, 0x25dfdbff, {0xa}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x4}, 0x4) [ 83.170810] Node 0 active_anon:215072kB inactive_anon:176kB active_file:14008kB inactive_file:35620kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95216kB dirty:504kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 83968kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 83.187223] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=25535 sclass=netlink_route_socket pig=9694 comm=syz-executor5 [ 83.188694] SELinux: unrecognized netlink message: protocol=0 nlmsg_type=25535 sclass=netlink_route_socket pig=9694 comm=syz-executor5 [ 83.225071] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 83.225589] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 83.236412] audit: type=1400 audit(1520433656.737:32): avc: denied { fsetid } for pid=9698 comm="syz-executor3" capability=4 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 [ 83.263117] 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 [ 83.292447] lowmem_reserve[]: 0 2908 6410 6410 [ 83.297673] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 83.328608] lowmem_reserve[]: 0 0 3501 3501 [ 83.333504] Normal free:2901632kB min:36824kB low:46028kB high:55232kB active_anon:219232kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB writepending:540kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27712kB slab_unreclaimable:235608kB kernel_stack:5504kB pagetables:2492kB bounce:0kB free_pcp:1020kB local_pcp:384kB free_cma:0kB [ 83.367493] lowmem_reserve[]: 0 0 0 0 [ 83.371851] 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 [ 83.387177] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 83.404371] Normal: 194*4kB (UM) 105*8kB (UM) 129*16kB (UME) 119*32kB (UME) 237*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 3*2048kB (UM) 697*4096kB (M) = 2901632kB [ 83.423860] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 83.432437] 12469 total pagecache pages [ 83.436386] 0 pages in swap cache [ 83.439829] Swap cache stats: add 0, delete 0, find 0/0 [ 83.445166] Free swap = 0kB [ 83.448180] Total swap = 0kB [ 83.451173] 1965969 pages RAM [ 83.454250] 0 pages HighMem/MovableOnly [ 83.458209] 320510 pages reserved [ 83.461673] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 83.472071] CPU: 0 PID: 9680 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 83.479580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.488906] ffff8801bf48f8a8 ffffffff81d956f9 1ffff10037e91f18 ffff8801d8c48000 [ 83.496869] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801bf48f9b8 [ 83.504834] ffffffff81451c92 024000c2bf48f8f8 0000000041b58ab3 ffffffff84195b35 [ 83.512802] Call Trace: [ 83.515360] [] dump_stack+0xc1/0x128 [ 83.520694] [] warn_alloc+0x212/0x240 [ 83.526114] [] ? zone_watermark_ok_safe+0x280/0x280 [ 83.532750] [] ? avc_has_perm+0xb0/0x4f0 [ 83.538429] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 83.544891] [] __vmalloc_node_range+0x3f5/0x5f0 [ 83.551185] [] ? check_preemption_disabled+0x3b/0x200 [ 83.557994] [] ? task_has_security+0x130/0x270 [ 83.564193] [] vmalloc+0x5b/0x70 [ 83.569179] [] ? sel_write_load+0x130/0xfd0 [ 83.575120] [] sel_write_load+0x130/0xfd0 [ 83.580887] [] ? sel_read_bool+0x250/0x250 [ 83.586743] [] ? sel_read_bool+0x250/0x250 [ 83.592600] [] __vfs_write+0x103/0x680 [ 83.598113] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 83.604586] [] ? __might_sleep+0x95/0x1a0 [ 83.610355] [] ? __lock_is_held+0xa1/0xf0 [ 83.616122] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 83.622929] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 83.629476] [] ? __sb_start_write+0x14a/0x310 [ 83.635588] [] vfs_write+0x189/0x530 [ 83.640923] [] SyS_pwrite64+0x13f/0x170 [ 83.646517] [] ? SyS_pread64+0x170/0x170 [ 83.652197] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 83.658745] [] sys32_pwrite+0x39/0x50 [ 83.664165] [] ? sys32_pread+0x50/0x50 [ 83.670016] [] do_fast_syscall_32+0x2f5/0x870 [ 83.676134] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.682771] [] entry_SYSENTER_compat+0x90/0xa2 [ 83.689944] Mem-Info: [ 83.692352] active_anon:54808 inactive_anon:44 isolated_anon:0 [ 83.692352] active_file:3502 inactive_file:8915 isolated_file:0 [ 83.692352] unevictable:0 dirty:139 writeback:0 unstable:0 [ 83.692352] slab_reclaimable:6929 slab_unreclaimable:58902 [ 83.692352] mapped:23804 shmem:51 pagetables:623 bounce:0 [ 83.692352] free:1474348 free_pcp:474 free_cma:0 [ 83.725638] Node 0 active_anon:219232kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95216kB dirty:556kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 83.755337] 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 [ 83.785127] lowmem_reserve[]: 0 2908 6410 6410 [ 83.790304] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 83.821646] lowmem_reserve[]: 0 0 3501 3501 [ 83.826533] Normal free:2901540kB min:36824kB low:46028kB high:55232kB active_anon:219232kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB writepending:564kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27716kB slab_unreclaimable:235608kB kernel_stack:5472kB pagetables:2492kB bounce:0kB free_pcp:1116kB local_pcp:752kB free_cma:0kB [ 83.860796] lowmem_reserve[]: 0 0 0 0 [ 83.865160] 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 [ 83.880447] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 83.897640] Normal: 195*4kB (UME) 105*8kB (UM) 125*16kB (UME) 118*32kB (UME) 237*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 3*2048kB (UM) 697*4096kB (M) = 2901540kB [ 83.917632] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 83.926184] 12474 total pagecache pages [ 83.930721] 0 pages in swap cache [ 83.934149] Swap cache stats: add 0, delete 0, find 0/0 [ 83.939502] Free swap = 0kB [ 83.942494] Total swap = 0kB [ 83.945482] 1965969 pages RAM 2018/03/07 14:40:57 executing program 7: r0 = socket$inet(0xa, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0xe, &(0x7f0000000040), 0x4) fstat(r0, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0}) quotactl(0x7, &(0x7f0000000000)='./file0\x00', r1, &(0x7f0000000100)="6746d82cec505d8dc7f8a5a1036f328748fefa8f4eade5e64e0d3086739ec07fd47ddc5eec82c5e7980f6be297e7dc88c8b3c0e2a32b97b3aa11b85eaa47e68d46f16e88d9f4544bcc79c200dac5c6604c589ba2f695c4e151449cc88153f3b080ee4150507ed41a3d0dd4542b7ff11e949bb4ce05b3918d575e1c4165315632fad4bd33b6d572a05e") 2018/03/07 14:40:57 executing program 4: r0 = gettid() r1 = syz_open_procfs(r0, &(0x7f0000000140)='cgroup\x00') exit(0x0) pread64(r1, &(0x7f0000000080)=""/26, 0x1a, 0x5f) openat$selinux_avc_cache_stats(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/avc/cache_stats\x00', 0x0, 0x0) 2018/03/07 14:40:57 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) ioctl$TUNGETIFF(r2, 0x800454d2, &(0x7f0000000200)) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) setsockopt$inet6_udp_encap(r2, 0x11, 0x64, &(0x7f0000000180)=0x5, 0x4) 2018/03/07 14:40:57 executing program 3: r0 = socket$packet(0x11, 0x80200000000002, 0x300) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) getsockopt$packet_buf(r0, 0x107, 0x0, &(0x7f0000000040)=""/66, &(0x7f00000000c0)=0x42) bind$inet(r1, &(0x7f0000deb000)={0x2, 0x4e23, @broadcast=0xffffffff}, 0x10) sendto$inet(r1, &(0x7f0000617fc9), 0x84, 0x20000000, &(0x7f0000deaff0)={0x2, 0x4e23, @loopback=0x7f000001}, 0x10) sendmsg(r1, &(0x7f000009cfe4)={&(0x7f000009ffa8)=@alg={0x26, 'aead\x00', 0x0, 0x0, 'pcrypt(pcrypt(rfc4106(gcm(aes))))\x00'}, 0x80, &(0x7f0000398000)=[{&(0x7f0000697000)="80", 0x1}], 0x1}, 0x0) recvmsg(r1, &(0x7f0000000340)={&(0x7f0000000180)=@can, 0x80, &(0x7f0000000000)=[{&(0x7f0000000280)=""/191, 0xbf}], 0x1}, 0x2) 2018/03/07 14:40:57 executing program 6: r0 = syz_open_dev$sg(&(0x7f0000000ff7)='/dev/sg#\x00', 0x0, 0x0) r1 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc\x00', 0x0, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) accept4$ax25(r1, &(0x7f0000000040), &(0x7f0000000080)=0x10, 0x800) ioctl$LOOP_CLR_FD(r1, 0x7003) ioctl$LOOP_CLR_FD(r0, 0x4c01) dup3(r0, r1, 0x0) 2018/03/07 14:40:57 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e020000000000000000000000060003000100", 0x22) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:57 executing program 0: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000bfa7", 0x26) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=ANY=[@ANYBLOB="1c0001001c00070f000000000000000007000000", @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00'], 0x1c}, 0x1}, 0x0) [ 83.948587] 0 pages HighMem/MovableOnly [ 83.952535] 320510 pages reserved 2018/03/07 14:40:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x400, 0x0) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000000080)=@req3={0x4, 0xe178, 0x7, 0x5, 0x9, 0x603f, 0x7fffffff}, 0x1c) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:57 executing program 0: r0 = socket$netlink(0x10, 0x3, 0x6) sendmsg$nl_crypto(r0, &(0x7f0000000240)={&(0x7f0000000080)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000140)=@alg={0xe0, 0x10, 0x201, 0x0, 0x0, {{'ecb-blowfish-asm\x00'}}, []}, 0xe0}, 0x1}, 0x0) ioctl$DRM_IOCTL_PRIME_FD_TO_HANDLE(0xffffffffffffffff, 0xc00c642e, &(0x7f0000000000)={0x0, 0x80000, 0xffffffffffffff9c}) ioctl$DRM_IOCTL_AGP_ALLOC(0xffffffffffffff9c, 0xc0106434, &(0x7f0000000040)={0x3f, 0x0, 0x0, 0x3}) r3 = openat$keychord(0xffffffffffffff9c, &(0x7f0000000280)='/dev/keychord\x00', 0x20300, 0x0) syz_open_pts(r3, 0x400) ioctl$DRM_IOCTL_AGP_FREE(r1, 0x40106435, &(0x7f0000000100)={0x8000, r2, 0x10000, 0x7}) 2018/03/07 14:40:57 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e020000000000000000000000060003000100", 0x22) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:57 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e020000000000000000000000060003000100", 0x22) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:57 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000040)=ANY=[@ANYBLOB="1c0000001c00070f000000000000000007000000", @ANYRES32=0x0, @ANYBLOB="000076b90ea35382f82d54d6"], 0x1c}, 0x1}, 0x0) 2018/03/07 14:40:57 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) prctl$setmm(0x23, 0x6, &(0x7f0000ffd000/0x2000)=nil) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:57 executing program 5: r0 = openat$selinux_checkreqprot(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/checkreqprot\x00', 0x20000, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x5}, &(0x7f00000001c0)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000240)={r1, @in6={{0xa, 0x4e22, 0x1, @remote={0xfe, 0x80, [], 0xbb}, 0x1f}}, 0xffffffffffffff01, 0xffffffff}, &(0x7f0000000300)=0x88) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000000100)={&(0x7f0000000000)={0x10}, 0xc8, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) r3 = memfd_create(&(0x7f0000000040)='^\x00', 0x1) ioctl$sock_inet6_udp_SIOCOUTQ(r3, 0x5411, &(0x7f0000000080)) [ 83.972407] sock: process `syz-executor7' is using obsolete setsockopt SO_BSDCOMPAT [ 83.981193] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 83.981202] CPU: 1 PID: 9726 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 83.981207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 2018/03/07 14:40:57 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000000000000000000006000300010000", 0x23) fstat(r0, &(0x7f00000000c0)) [ 83.981222] ffff8801af8c78a8 ffffffff81d956f9 1ffff10035f18f18 ffff8801d4f83000 [ 83.981234] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801af8c79b8 [ 83.981245] ffffffff81451c92 024000c2af8c78f8 0000000041b58ab3 ffffffff84195b35 [ 83.981247] Call Trace: [ 83.981259] [] dump_stack+0xc1/0x128 [ 83.981267] [] warn_alloc+0x212/0x240 [ 83.981277] [] ? zone_watermark_ok_safe+0x280/0x280 [ 83.981288] [] ? avc_has_perm+0xb0/0x4f0 [ 83.981299] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 83.981307] [] __vmalloc_node_range+0x3f5/0x5f0 [ 83.981316] [] ? check_preemption_disabled+0x3b/0x200 [ 83.981325] [] ? task_has_security+0x130/0x270 [ 83.981333] [] vmalloc+0x5b/0x70 [ 83.981340] [] ? sel_write_load+0x130/0xfd0 [ 83.981347] [] sel_write_load+0x130/0xfd0 [ 83.981357] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 83.981363] [] ? futex_wake+0x146/0x440 [ 83.981371] [] ? sel_read_bool+0x250/0x250 [ 83.981380] [] ? sel_read_bool+0x250/0x250 [ 83.981393] [] __vfs_write+0x103/0x680 [ 83.981403] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 83.981413] [] ? __might_sleep+0x95/0x1a0 [ 83.981425] [] ? __lock_is_held+0xa1/0xf0 [ 83.981434] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 83.981441] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 83.981449] [] ? __sb_start_write+0x14a/0x310 [ 83.981457] [] vfs_write+0x189/0x530 [ 83.981465] [] SyS_pwrite64+0x13f/0x170 [ 83.981473] [] ? SyS_pread64+0x170/0x170 [ 83.981482] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 83.981491] [] sys32_pwrite+0x39/0x50 [ 83.981497] [] ? sys32_pread+0x50/0x50 [ 83.981505] [] do_fast_syscall_32+0x2f5/0x870 [ 83.981512] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.981522] [] entry_SYSENTER_compat+0x90/0xa2 [ 83.984406] Mem-Info: [ 83.984430] active_anon:56910 inactive_anon:44 isolated_anon:0 [ 83.984430] active_file:3502 inactive_file:8915 isolated_file:0 [ 83.984430] unevictable:0 dirty:142 writeback:0 unstable:0 [ 83.984430] slab_reclaimable:6930 slab_unreclaimable:58902 [ 83.984430] mapped:23829 shmem:51 pagetables:697 bounce:0 [ 83.984430] free:1472195 free_pcp:353 free_cma:0 [ 83.984451] Node 0 active_anon:227640kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95316kB dirty:568kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 83.984474] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 83.984556] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 83.984589] Normal free:2892928kB min:36824kB low:46028kB high:55232kB active_anon:227640kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB writepending:568kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27720kB slab_unreclaimable:235608kB kernel_stack:5760kB pagetables:2788kB bounce:0kB free_pcp:640kB local_pcp:308kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 83.984644] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 132*4kB (UME) 102*8kB (UM) 128*16kB (UME) 112*32kB (UME) 237*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 1*2048kB (U) 696*4096kB (M) = 2892928kB [ 83.984747] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 83.984750] 12475 total pagecache pages [ 83.984753] 0 pages in swap cache [ 83.984757] Swap cache stats: add 0, delete 0, find 0/0 [ 83.984760] Free swap = 0kB [ 83.984762] Total swap = 0kB [ 83.984765] 1965969 pages RAM [ 83.984767] 0 pages HighMem/MovableOnly [ 83.984769] 320510 pages reserved [ 83.986652] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 83.986697] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 83.986706] CPU: 1 PID: 9726 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 83.986710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.986723] ffff8801af8c78a8 ffffffff81d956f9 1ffff10035f18f18 ffff8801d4f83000 [ 83.986734] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801af8c79b8 [ 83.986744] ffffffff81451c92 024000c2af8c78f8 0000000041b58ab3 ffffffff84195b35 [ 83.986746] Call Trace: [ 83.986757] [] dump_stack+0xc1/0x128 [ 83.986768] [] warn_alloc+0x212/0x240 [ 83.986777] [] ? zone_watermark_ok_safe+0x280/0x280 [ 83.986787] [] ? avc_has_perm+0xb0/0x4f0 [ 83.986801] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 83.986809] [] __vmalloc_node_range+0x3f5/0x5f0 [ 83.986819] [] ? check_preemption_disabled+0x3b/0x200 [ 83.986827] [] ? task_has_security+0x130/0x270 [ 83.986835] [] vmalloc+0x5b/0x70 [ 83.986843] [] ? sel_write_load+0x130/0xfd0 [ 83.986850] [] sel_write_load+0x130/0xfd0 [ 83.986860] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 83.986867] [] ? futex_wake+0x146/0x440 [ 83.986875] [] ? sel_read_bool+0x250/0x250 [ 83.986884] [] ? sel_read_bool+0x250/0x250 [ 83.986893] [] __vfs_write+0x103/0x680 [ 83.986901] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 83.986909] [] ? __might_sleep+0x95/0x1a0 [ 83.986918] [] ? __lock_is_held+0xa1/0xf0 [ 83.986927] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 83.986935] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 83.986942] [] ? __sb_start_write+0x14a/0x310 [ 83.986949] [] vfs_write+0x189/0x530 [ 83.986958] [] SyS_pwrite64+0x13f/0x170 [ 83.986966] [] ? SyS_pread64+0x170/0x170 [ 83.986975] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 83.986984] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 83.986991] [] sys32_pwrite+0x39/0x50 [ 83.986998] [] ? sys32_pread+0x50/0x50 [ 83.987007] [] do_fast_syscall_32+0x2f5/0x870 [ 83.987014] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 83.987022] [] entry_SYSENTER_compat+0x90/0xa2 [ 83.987101] Mem-Info: [ 83.987119] active_anon:57433 inactive_anon:44 isolated_anon:0 [ 83.987119] active_file:3502 inactive_file:8915 isolated_file:0 [ 83.987119] unevictable:0 dirty:142 writeback:0 unstable:0 [ 83.987119] slab_reclaimable:6930 slab_unreclaimable:58902 [ 83.987119] mapped:23829 shmem:51 pagetables:697 bounce:0 [ 83.987119] free:1471683 free_pcp:348 free_cma:0 [ 83.987134] Node 0 active_anon:229732kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95316kB dirty:568kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 83.987157] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 83.987184] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 83.987215] Normal free:2890880kB min:36824kB low:46028kB high:55232kB active_anon:229732kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB writepending:568kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27720kB slab_unreclaimable:235608kB kernel_stack:5824kB pagetables:2788kB bounce:0kB free_pcp:620kB local_pcp:300kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 83.987312] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 132*4kB (UME) 102*8kB (UM) 128*16kB (UME) 110*32kB (UME) 237*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 2*2048kB (UM) 695*4096kB (M) = 2890816kB [ 83.987409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 83.987412] 12475 total pagecache pages [ 83.987415] 0 pages in swap cache [ 83.987419] Swap cache stats: add 0, delete 0, find 0/0 [ 83.987421] Free swap = 0kB [ 83.987423] Total swap = 0kB [ 83.987425] 1965969 pages RAM [ 83.987427] 0 pages HighMem/MovableOnly [ 83.987429] 320510 pages reserved [ 84.004259] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 84.026565] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 84.030288] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 84.032225] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 84.032239] CPU: 0 PID: 9747 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 84.032244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.032258] ffff8801d89078a8 ffffffff81d956f9 1ffff1003b120f18 ffff8801d8f14800 [ 84.032270] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d89079b8 [ 84.032281] ffffffff81451c92 024000c2d89078f8 0000000041b58ab3 ffffffff84195b35 [ 84.032283] Call Trace: [ 84.032295] [] dump_stack+0xc1/0x128 [ 84.032304] [] warn_alloc+0x212/0x240 [ 84.032312] [] ? zone_watermark_ok_safe+0x280/0x280 [ 84.032321] [] ? avc_has_perm+0xb0/0x4f0 [ 84.032333] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 84.032343] [] __vmalloc_node_range+0x3f5/0x5f0 [ 84.032353] [] ? check_preemption_disabled+0x3b/0x200 [ 84.032360] [] ? task_has_security+0x130/0x270 [ 84.032368] [] vmalloc+0x5b/0x70 [ 84.032375] [] ? sel_write_load+0x130/0xfd0 [ 84.032383] [] sel_write_load+0x130/0xfd0 [ 84.032390] [] ? sel_read_bool+0x250/0x250 [ 84.032399] [] ? sel_read_bool+0x250/0x250 [ 84.032407] [] __vfs_write+0x103/0x680 [ 84.032415] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 84.032423] [] ? __might_sleep+0x95/0x1a0 [ 84.032431] [] ? __lock_is_held+0xa1/0xf0 [ 84.032440] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 84.032448] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 84.032455] [] ? __sb_start_write+0x14a/0x310 [ 84.032462] [] vfs_write+0x189/0x530 [ 84.032470] [] SyS_pwrite64+0x13f/0x170 [ 84.032478] [] ? SyS_pread64+0x170/0x170 [ 84.032486] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 84.032494] [] sys32_pwrite+0x39/0x50 [ 84.032500] [] ? sys32_pread+0x50/0x50 [ 84.032507] [] do_fast_syscall_32+0x2f5/0x870 [ 84.032514] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.032523] [] entry_SYSENTER_compat+0x90/0xa2 [ 84.034029] Mem-Info: [ 84.034051] active_anon:55906 inactive_anon:44 isolated_anon:0 [ 84.034051] active_file:3502 inactive_file:8915 isolated_file:0 [ 84.034051] unevictable:0 dirty:142 writeback:0 unstable:0 [ 84.034051] slab_reclaimable:6930 slab_unreclaimable:58981 [ 84.034051] mapped:23829 shmem:51 pagetables:697 bounce:0 [ 84.034051] free:1473104 free_pcp:367 free_cma:0 [ 84.034075] Node 0 active_anon:223624kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95316kB dirty:568kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 84.034136] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 84.034168] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 84.034201] Normal free:2896564kB min:36824kB low:46028kB high:55232kB active_anon:223624kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB writepending:568kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27720kB slab_unreclaimable:235924kB kernel_stack:5824kB pagetables:2788kB bounce:0kB free_pcp:696kB local_pcp:280kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 84.034252] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 101*4kB (UME) 103*8kB (UM) 127*16kB (UME) 104*32kB (UME) 237*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 5*2048kB (UM) 695*4096kB (M) = 2896636kB [ 84.034347] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 84.034349] 12475 total pagecache pages [ 84.034352] 0 pages in swap cache [ 84.034356] Swap cache stats: add 0, delete 0, find 0/0 [ 84.034358] Free swap = 0kB [ 84.034361] Total swap = 0kB [ 84.034363] 1965969 pages RAM [ 84.034365] 0 pages HighMem/MovableOnly [ 84.034367] 320510 pages reserved [ 84.035975] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 84.035983] CPU: 0 PID: 9747 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 84.035987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.036000] ffff8801d89078a8 ffffffff81d956f9 1ffff1003b120f18 ffff8801d8f14800 [ 84.036011] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d89079b8 [ 84.036021] ffffffff81451c92 024000c2d89078f8 0000000041b58ab3 ffffffff84195b35 [ 84.036022] Call Trace: [ 84.036034] [] dump_stack+0xc1/0x128 [ 84.036043] [] warn_alloc+0x212/0x240 [ 84.036050] [] ? zone_watermark_ok_safe+0x280/0x280 [ 84.036058] [] ? avc_has_perm+0xb0/0x4f0 [ 84.036068] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 84.036076] [] __vmalloc_node_range+0x3f5/0x5f0 [ 84.036086] [] ? check_preemption_disabled+0x3b/0x200 [ 84.036093] [] ? task_has_security+0x130/0x270 [ 84.036100] [] vmalloc+0x5b/0x70 [ 84.036107] [] ? sel_write_load+0x130/0xfd0 [ 84.036114] [] sel_write_load+0x130/0xfd0 [ 84.036124] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 84.036130] [] ? futex_wake+0x146/0x440 [ 84.036137] [] ? sel_read_bool+0x250/0x250 [ 84.036154] [] ? sel_read_bool+0x250/0x250 [ 84.036173] [] __vfs_write+0x103/0x680 [ 84.036186] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 84.036199] [] ? __might_sleep+0x95/0x1a0 [ 84.036213] [] ? __lock_is_held+0xa1/0xf0 [ 84.036226] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 84.036238] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 84.036248] [] ? __sb_start_write+0x14a/0x310 [ 84.036256] [] vfs_write+0x189/0x530 [ 84.036274] [] SyS_pwrite64+0x13f/0x170 [ 84.036281] [] ? SyS_pread64+0x170/0x170 [ 84.036302] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 84.036311] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 84.036328] [] sys32_pwrite+0x39/0x50 [ 84.036335] [] ? sys32_pread+0x50/0x50 [ 84.036342] [] do_fast_syscall_32+0x2f5/0x870 [ 84.036353] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 84.036369] [] entry_SYSENTER_compat+0x90/0xa2 [ 84.036372] Mem-Info: [ 84.036396] active_anon:56417 inactive_anon:44 isolated_anon:0 [ 84.036396] active_file:3502 inactive_file:8915 isolated_file:0 [ 84.036396] unevictable:0 dirty:142 writeback:0 unstable:0 [ 84.036396] slab_reclaimable:6930 slab_unreclaimable:58981 [ 84.036396] mapped:23829 shmem:51 pagetables:697 bounce:0 [ 84.036396] free:1472600 free_pcp:365 free_cma:0 [ 84.036544] Node 0 active_anon:225668kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95316kB dirty:568kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 84.036561] 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 lowmem_reserve[]: 0 2908 6410 6410 [ 84.036590] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 [ 84.036619] Normal free:2894548kB min:36824kB low:46028kB high:55232kB active_anon:225668kB inactive_anon:176kB active_file:14008kB inactive_file:35660kB unevictable:0kB writepending:568kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27720kB slab_unreclaimable:235924kB kernel_stack:5856kB pagetables:2788kB bounce:0kB free_pcp:688kB local_pcp:272kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 [ 84.036672] 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 DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB Normal: 101*4kB (UME) 103*8kB (UM) 127*16kB (UME) 103*32kB (UME) 237*64kB (UME) 28*128kB (UM) 8*256kB (UM) 12*512kB (ME) 6*1024kB (UM) 4*2048kB (UM) 695*4096kB (M) = 2894556kB [ 84.036771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2018/03/07 14:40:59 executing program 0: seccomp(0x200000001, 0xffffffffffffffff, &(0x7f0000016000)={0x0, &(0x7f00001e0fe8)=[{0x6, 0xfffffffffffffffc, 0x47f, 0x7ffff7ff00000}]}) r0 = dup(0xffffffffffffff9c) fstat(r0, &(0x7f00004e8fbc)) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x101200, 0x0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40042406, &(0x7f0000000040)='\x00') 2018/03/07 14:40:59 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000280)={r1, 0x0, 0x800aa4}, &(0x7f0000000240)=0xfffffffffffffdbb) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_udp_int(r2, 0x11, 0x1, &(0x7f0000000180), &(0x7f0000000200)=0x4) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) 2018/03/07 14:40:59 executing program 3: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e020000000000000000000000060003000100", 0x22) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:59 executing program 4: r0 = getpgrp(0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) ptrace$setopts(0x4206, r0, 0x0, 0xffffffdffffffffe) fcntl$F_GET_RW_HINT(r1, 0x40b, &(0x7f0000000000)) 2018/03/07 14:40:59 executing program 7: r0 = socket$inet_tcp(0x2, 0x1, 0x0) r1 = epoll_create1(0x0) r2 = epoll_create1(0x0) fcntl$getown(r0, 0x9) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f00001b3000)) dup3(r2, r1, 0x0) listen(r0, 0x0) epoll_pwait(r1, &(0x7f0000dc7fc4)=[{}], 0x1, 0x0, &(0x7f000004aff8), 0x8) 2018/03/07 14:40:59 executing program 6: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) listen(r0, 0x0) r1 = socket$netlink(0x10, 0x3, 0x4) writev(r1, &(0x7f000013b000)=[{&(0x7f0000373f14)="580000001400192340834b80040d8c560a06f8ffec0481000000000000005800004824ca944f64009400050028825a003b7dbe907902008000f0fffefffffe03ed03fff5dd00000010000100000c0900fcff0000040e05a5", 0x58}], 0x1) read(r1, &(0x7f0000000000)=""/245, 0xf5) openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/commit_pending_bools\x00', 0x1, 0x0) openat$autofs(0xffffffffffffff9c, &(0x7f00000002c0)='/dev/autofs\x00', 0x500, 0x0) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000140)={0x0, 0x1f}, &(0x7f0000000180)=0x8) 2018/03/07 14:40:59 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000000000000000000006000300010000", 0x23) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0xb) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) [ 84.036774] 12475 total pagecache pages [ 84.036777] 0 pages in swap cache [ 84.036781] Swap cache stats: add 0, delete 0, find 0/0 [ 84.036783] Free swap = 0kB [ 84.036785] Total swap = 0kB [ 84.036787] 1965969 pages RAM [ 84.036789] 0 pages HighMem/MovableOnly [ 84.037495] 320510 pages reserved 2018/03/07 14:40:59 executing program 4: r0 = socket(0x10, 0x80002, 0x0) write(r0, &(0x7f0000000000)="260000002200470105001e000000000000006d20002b1f00c00000000000000000c7033500b0", 0x26) clock_gettime(0x6, &(0x7f0000000200)={0x0, 0x0}) setsockopt$netrom_NETROM_IDLE(r0, 0x103, 0x7, &(0x7f0000000080)=0x81, 0x4) recvmmsg(r0, &(0x7f0000000000)=[{{&(0x7f000086c000)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x14, &(0x7f0000000080)=[]}}], 0x4000052, 0x0, &(0x7f0000000040)={0x0, r1+10000000}) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000000c0), &(0x7f0000000100)=0x14) 2018/03/07 14:40:59 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$selinux_policy(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy\x00', 0x0, 0x0) getdents(r1, &(0x7f0000000080)=""/111, 0x6f) setsockopt$inet6_buf(r0, 0x29, 0x48, &(0x7f0000000000)="7c47c0ad", 0x4) 2018/03/07 14:40:59 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e02000000000000000000000006000300010000", 0x23) fstat(r0, &(0x7f00000000c0)) 2018/03/07 14:40:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) r1 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x63, 0x0) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffff9c, 0x84, 0x1, &(0x7f0000000080)={0x0, 0x4, 0x6, 0x8, 0xfffffffffffffffb, 0xae87}, &(0x7f00000000c0)=0x14) getsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r1, 0x84, 0x9, &(0x7f0000000280)={r2, @in6={{0xa, 0x4e24, 0x5, @dev={0xfe, 0x80, [], 0xa}, 0x1429}}, 0x20, 0x4, 0xd5e9, 0x2, 0x1}, &(0x7f0000000100)=0x98) sendfile(r0, r0, 0x0, 0x2) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) [ 85.966778] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) 2018/03/07 14:40:59 executing program 0: r0 = gettid() exit(0x0) ioprio_get$pid(0x1, r0) r1 = dup(0xffffffffffffff9c) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x40082404, &(0x7f0000000000)=0x10001) socket$inet6(0xa, 0x4, 0xfffffffffffffffb) 2018/03/07 14:40:59 executing program 4: r0 = add_key(&(0x7f0000015000)='logon\x00', &(0x7f0000014000)={0x73, 0x79, 0x7a}, &(0x7f0000014000)="578ea44f6ba3a636ffe97fbf75d7f372f0e7dc32856ed7aba5b6170997cd8b3e7f4fb91f56a1d51d0440a1121990753224a83c0fabcdf91de1ac17b66df943ab65c55d35edaefad0633a", 0x4a, 0xffffffffffffffff) keyctl$set_timeout(0xf, r0, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000100)='/dev/autofs\x00', 0x2, 0x0) getsockopt$bt_l2cap_L2CAP_OPTIONS(r1, 0x6, 0x1, &(0x7f0000000140), &(0x7f0000000180)=0xc) r2 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x4080, 0x0) r3 = accept4$inet(r2, &(0x7f0000000040)={0x0, 0x0, @dev}, &(0x7f0000000080)=0x10, 0x80000) setsockopt$netlink_NETLINK_PKTINFO(r3, 0x10e, 0x3, &(0x7f00000000c0)=0xa99, 0x4) 2018/03/07 14:40:59 executing program 7: clock_nanosleep(0x0, 0x0, &(0x7f00006ba000)={0x0, 0x1c9c380}, &(0x7f0000daaff8)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) munlock(&(0x7f0000cd2000/0x1000)=nil, 0x1000) clock_nanosleep(0x7, 0x1, &(0x7f0000000000)={0x0, 0x1c9c380}, &(0x7f0000000040)) lgetxattr(&(0x7f0000b7c000)='./file0\x00', &(0x7f00002f3000)=@random={'security.', 'user,\x00'}, &(0x7f0000839000)=""/80, 0x50) 2018/03/07 14:40:59 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000", 0x24) fstat(0xffffffffffffffff, &(0x7f00000000c0)) 2018/03/07 14:40:59 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) getpeername$packet(r0, &(0x7f0000000280)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @empty}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r0, &(0x7f0000000380)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200}, 0xc, &(0x7f0000000340)={&(0x7f0000000300)=@bridge_newneigh={0x2c, 0x1c, 0x308, 0x70bd2d, 0x25dfdbfe, {0xa, 0x0, 0x0, r1, 0x60, 0x80}, [@NDA_SRC_VNI={0x8, 0xb, 0x6}, @NDA_VNI={0x8, 0x7, 0x8}]}, 0x2c}, 0x1, 0x0, 0x0, 0x10}, 0x4004) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1, 0x0, 0x0, 0x20000000}, 0x0) [ 86.008444] audit: type=1400 audit(1520433659.517:33): avc: denied { write } for pid=9775 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1 [ 86.045385] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 86.057555] CPU: 1 PID: 9770 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 86.060861] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 86.070530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.079873] ffff8801d87a78a8 ffffffff81d956f9 1ffff1003b0f4f18 ffff8801d86c3000 [ 86.087899] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d87a79b8 [ 86.095919] ffffffff81451c92 024000c2d87a78f8 0000000041b58ab3 ffffffff84195b35 [ 86.103921] Call Trace: [ 86.106499] [] dump_stack+0xc1/0x128 [ 86.111851] [] warn_alloc+0x212/0x240 [ 86.117291] [] ? zone_watermark_ok_safe+0x280/0x280 [ 86.123948] [] ? avc_has_perm+0xb0/0x4f0 [ 86.129646] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 86.136109] [] __vmalloc_node_range+0x3f5/0x5f0 [ 86.142410] [] ? check_preemption_disabled+0x3b/0x200 [ 86.149237] [] ? task_has_security+0x130/0x270 [ 86.155451] [] vmalloc+0x5b/0x70 [ 86.160453] [] ? sel_write_load+0x130/0xfd0 [ 86.166411] [] sel_write_load+0x130/0xfd0 [ 86.172195] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 86.179106] [] ? futex_wake+0x146/0x440 [ 86.184716] [] ? sel_read_bool+0x250/0x250 [ 86.190589] [] ? sel_read_bool+0x250/0x250 [ 86.196460] [] __vfs_write+0x103/0x680 [ 86.201979] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 86.208451] [] ? __might_sleep+0x95/0x1a0 [ 86.214234] [] ? __lock_is_held+0xa1/0xf0 [ 86.220017] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 86.226841] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 86.233387] [] ? __sb_start_write+0x14a/0x310 [ 86.239503] [] vfs_write+0x189/0x530 [ 86.244839] [] SyS_pwrite64+0x13f/0x170 [ 86.250430] [] ? SyS_pread64+0x170/0x170 [ 86.256108] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 86.262222] [] sys32_pwrite+0x39/0x50 [ 86.267640] [] ? sys32_pread+0x50/0x50 [ 86.273146] [] do_fast_syscall_32+0x2f5/0x870 [ 86.279257] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 86.285889] [] entry_SYSENTER_compat+0x90/0xa2 [ 86.293320] Mem-Info: [ 86.296014] active_anon:54319 inactive_anon:44 isolated_anon:0 [ 86.296014] active_file:3502 inactive_file:8924 isolated_file:0 [ 86.296014] unevictable:0 dirty:181 writeback:0 unstable:0 [ 86.296014] slab_reclaimable:6954 slab_unreclaimable:59076 [ 86.296014] mapped:23820 shmem:51 pagetables:615 bounce:0 [ 86.296014] free:1474643 free_pcp:431 free_cma:0 [ 86.330843] Node 0 active_anon:217196kB inactive_anon:176kB active_file:14008kB inactive_file:35708kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95236kB dirty:736kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 81920kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 86.360211] 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 [ 86.389872] lowmem_reserve[]: 0 2908 6410 6410 [ 86.395038] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 86.426087] lowmem_reserve[]: 0 0 3501 3501 [ 86.431034] Normal free:2902908kB min:36824kB low:46028kB high:55232kB active_anon:217192kB inactive_anon:176kB active_file:14016kB inactive_file:35804kB unevictable:0kB writepending:708kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27832kB slab_unreclaimable:236284kB kernel_stack:5504kB pagetables:2476kB bounce:0kB free_pcp:940kB local_pcp:320kB free_cma:0kB [ 86.464795] lowmem_reserve[]: 0 0 0 0 [ 86.469181] 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 [ 86.484440] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 86.502015] Normal: 196*4kB (UM) 106*8kB (UM) 134*16kB (UME) 100*32kB (UME) 237*64kB (UME) 31*128kB (UM) 9*256kB (UM) 12*512kB (ME) 5*1024kB (UM) 4*2048kB (UM) 697*4096kB (M) = 2902784kB [ 86.521494] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 86.530216] 12506 total pagecache pages [ 86.534169] 0 pages in swap cache [ 86.537619] Swap cache stats: add 0, delete 0, find 0/0 [ 86.542959] Free swap = 0kB [ 86.545949] Total swap = 0kB [ 86.548968] 1965969 pages RAM [ 86.552050] 0 pages HighMem/MovableOnly [ 86.555991] 320510 pages reserved [ 86.565583] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 86.575538] CPU: 1 PID: 9781 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 86.583040] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.592366] ffff8801d902f8a8 ffffffff81d956f9 1ffff1003b205f18 ffff8801b43c9800 [ 86.600340] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d902f9b8 [ 86.608304] ffffffff81451c92 024000c2d902f8f8 0000000041b58ab3 ffffffff84195b35 [ 86.616263] Call Trace: [ 86.618828] [] dump_stack+0xc1/0x128 [ 86.624163] [] warn_alloc+0x212/0x240 [ 86.629581] [] ? zone_watermark_ok_safe+0x280/0x280 [ 86.636217] [] ? avc_has_perm+0xb0/0x4f0 [ 86.641905] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 86.648366] [] __vmalloc_node_range+0x3f5/0x5f0 [ 86.654659] [] ? check_preemption_disabled+0x3b/0x200 [ 86.661467] [] ? task_has_security+0x130/0x270 [ 86.667754] [] vmalloc+0x5b/0x70 [ 86.672743] [] ? sel_write_load+0x130/0xfd0 [ 86.678682] [] sel_write_load+0x130/0xfd0 [ 86.684447] [] ? sel_read_bool+0x250/0x250 [ 86.690301] [] ? sel_read_bool+0x250/0x250 [ 86.696157] [] __vfs_write+0x103/0x680 [ 86.701663] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 86.708132] [] ? __might_sleep+0x95/0x1a0 [ 86.713986] [] ? __lock_is_held+0xa1/0xf0 [ 86.719751] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 86.726556] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 86.733103] [] ? __sb_start_write+0x14a/0x310 [ 86.739218] [] vfs_write+0x189/0x530 [ 86.744550] [] SyS_pwrite64+0x13f/0x170 [ 86.750142] [] ? SyS_pread64+0x170/0x170 [ 86.755822] [] ? scm_detach_fds_compat+0x3c0/0x3c0 [ 86.762371] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 86.768483] [] sys32_pwrite+0x39/0x50 [ 86.773900] [] ? sys32_pread+0x50/0x50 [ 86.779405] [] do_fast_syscall_32+0x2f5/0x870 [ 86.785515] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 86.792151] [] entry_SYSENTER_compat+0x90/0xa2 [ 86.798693] Mem-Info: [ 86.801091] active_anon:54298 inactive_anon:44 isolated_anon:0 [ 86.801091] active_file:3504 inactive_file:8951 isolated_file:0 [ 86.801091] unevictable:0 dirty:177 writeback:0 unstable:0 [ 86.801091] slab_reclaimable:6958 slab_unreclaimable:59071 [ 86.801091] mapped:23810 shmem:51 pagetables:619 bounce:0 [ 86.801091] free:1474512 free_pcp:478 free_cma:0 [ 86.834417] Node 0 active_anon:217192kB inactive_anon:176kB active_file:14016kB inactive_file:35804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95240kB dirty:708kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 86016kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 86.863764] 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 [ 86.893121] lowmem_reserve[]: 0 2908 6410 6410 [ 86.898304] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:724kB free_cma:0kB [ 86.929350] lowmem_reserve[]: 0 0 3501 3501 [ 86.934238] Normal free:2902196kB min:36824kB low:46028kB high:55232kB active_anon:217192kB inactive_anon:176kB active_file:14016kB inactive_file:35804kB unevictable:0kB writepending:708kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27832kB slab_unreclaimable:236284kB kernel_stack:5440kB pagetables:2476kB bounce:0kB free_pcp:1132kB local_pcp:320kB free_cma:0kB [ 86.968089] lowmem_reserve[]: 0 0 0 0 [ 86.972442] 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 [ 86.987690] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 87.004830] Normal: 89*4kB (M) 82*8kB (UM) 134*16kB (UME) 102*32kB (UME) 237*64kB (UME) 31*128kB (UM) 9*256kB (UM) 12*512kB (ME) 5*1024kB (UM) 4*2048kB (UM) 697*4096kB (M) = 2902228kB [ 87.023997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2018/03/07 14:41:00 executing program 2: r0 = openat$selinux_load(0xffffffffffffff9c, &(0x7f0000a76000)='/selinux/load\x00', 0x2, 0x0) pwrite64(r0, &(0x7f000028cfc7), 0x0, 0x0) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000000c0)={0x0, 0x9}, &(0x7f0000000100)=0x8) fgetxattr(r0, &(0x7f0000000200)=@known='com.apple.FinderInfo\x00', &(0x7f0000000280)=""/4096, 0x1000) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000140)={r1}, &(0x7f0000000240)=0x3) r2 = openat$selinux_commit_pending_bools(0xffffffffffffff9c, &(0x7f0000000000)='/selinux/commit_pending_bools\x00', 0x1, 0x0) getsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(0xffffffffffffffff, 0x84, 0xc, &(0x7f0000000040), &(0x7f0000000080)=0xfffffffffffffdd9) setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000001c0)=0x5, 0x4) ioctl$sock_inet_tcp_SIOCOUTQ(r2, 0x5411, &(0x7f0000000180)) 2018/03/07 14:41:00 executing program 5: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)=@bridge_delneigh={0x1c, 0x1c, 0xf07, 0x0, 0x0, {0x7}, []}, 0x1c}, 0x1}, 0x0) syz_open_dev$random(&(0x7f0000000040)='/dev/random\x00', 0x0, 0x4840) 2018/03/07 14:41:00 executing program 1: r0 = socket(0x10, 0x802, 0x0) write(r0, &(0x7f0000000000)="240000001a0025d70000f60300fffc0e0200000000000000000000000600030001000000", 0xfffffffffffffe9e) fstat(0xffffffffffffffff, &(0x7f00000000c0)) 2018/03/07 14:41:00 executing program 6: r0 = syz_open_dev$mice(&(0x7f0000000000)='/dev/input/mice\x00', 0x0, 0x80001) getsockopt$inet_sctp6_SCTP_RESET_STREAMS(0xffffffffffffffff, 0x84, 0x77, &(0x7f0000000040)={0x0, 0x7, 0x5, [0x0, 0xffffffff000000, 0xffffffff, 0x9, 0xf2]}, &(0x7f00000000c0)=0x12) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000100)={0x0, 0x8, 0x6, 0x603, 0x2, 0xadb5}, &(0x7f0000000140)=0x14) getsockopt$inet_sctp_SCTP_STATUS(r0, 0x84, 0xe, &(0x7f0000000180)={r1, 0x0, 0x1, 0x4, 0x56603c6e, 0x3ff, 0x1f, 0x9, {r2, @in={{0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}}, 0xffffffffffffffc0, 0x0, 0xf1, 0x6d7e, 0x7c00}}, &(0x7f0000000240)=0xb0) syz_emit_ethernet(0x2a, &(0x7f0000000080)={@random="ffff00", @random="6a83ee2aaf1d", [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x2f, 0x0, @rand_addr, @loopback=0x7f000001, {[]}}, @igmp={0x0, 0x7f9, 0x0, @empty}}}}}, 0x0) 2018/03/07 14:41:00 executing program 4: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x400, 0x0) r1 = openat$dir(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x4000, 0x6c) r2 = geteuid() r3 = getpgid(0x0) r4 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r5 = fcntl$getown(0xffffffffffffff9c, 0x9) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000001a00)={0x0, 0x0}, &(0x7f0000001a40)=0xc) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000001a80)={0x0, 0x0}, &(0x7f0000001ac0)=0xc) r9 = fcntl$getown(0xffffffffffffffff, 0x9) stat(&(0x7f0000001dc0)='./file0\x00', &(0x7f0000001e00)={0x0, 0x0, 0x0, 0x0, 0x0}) getgroups(0x5, &(0x7f0000001e80)=[0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0xffffffffffffffff, 0xffffffffffffffff]) r12 = getpgrp(0x0) getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f0000001ec0)={{{@in6=@ipv4={[], [], @empty}, @in6=@mcast2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@broadcast}, 0x0, @in6=@remote}}, &(0x7f0000001fc0)=0xe8) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000002000)={0x0, 0x0, 0x0}, &(0x7f0000002040)=0xc) r15 = dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x80000) r16 = syz_open_dev$loop(&(0x7f0000002080)='/dev/loop#\x00', 0x6, 0x10000) ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f00000020c0)=0x0) r18 = geteuid() r19 = getgid() r20 = socket$inet_icmp(0x2, 0x2, 0x1) sendmsg$netlink(r0, &(0x7f0000002180)={0x0, 0x0, &(0x7f0000001d80)=[{&(0x7f00000000c0)={0x114c, 0x2d, 0x20, 0x70bd26, 0x25dfdbfb, "", [@generic="57c0358f40ed7a92704ff2dd9382e6ee145b450eafb1c95d06e74bdbf7408d9feec05720ec2aaaa465dc37ad14ea65a89f046c0f20563dd881add2d47a68e63c6cc1aa66b79aa5001b97ac52b8e45f3fa72f391f9e382bac02ecef6641b2bfb8d8861735", @nested={0xd8, 0x63, [@generic="9156e9f7a864a3fc85b27ba4a2df0512e2886ad86ea7e880ab65f83c178aff17e8013146a8", @typed={0x18, 0x3c, @ipv6=@mcast1={0xff, 0x1, [], 0x1}}, @typed={0xc, 0x6a, @fd=r1}, @typed={0xc, 0x6c, @str='\x00'}, @generic="706575359cd6d86c7373406870bc4810efda588d3a7ceb740ecf80cebebe3ec205bf2a4272b1b0b8cec8637512e161e7149cb7e2573dc2a45a309fdec59dc9fc2080b5af5b073f735f353916f5836fe8f6dd2ebd1bd5b3a05415194a8164b3b1f1c8f8b2e4e8825df778119e6197fc0cc708534c309f1390e70d6b234265b7"]}, @generic="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0x114c}, {&(0x7f0000001240)={0x654, 0x36, 0x310, 0x70bd26, 0x25dfdbff, "", [@typed={0x8, 0x2c}, @nested={0x1cc, 0x85, [@generic="47888c9e93e93e10cc2497047d3866334d20fbe1cae838fc27fa0aec803f8dd5fae72596661d754791b157b2cf73ac82de68a386c32e26efad093e22bf9599577ac64e9b1a403eed7e4dae994aa7cc2036e78dde29e7f7c09bef9b32272299e5ced83b40eff422a0d24ddd0fa3432363804022ecd2cb5f93018922876bb738fa9e3482e11581", @typed={0xc, 0x64, @uid=r2}, @generic="160d13b604f7c15424d47451458e02fc5b28189ec37346212f96138449b388f345b09b65640940ed189e97d2a8931c228ae55fcb00d1003ad0257d557392bf9af7b01da1813b9c1ff5a60eb1849f426f9ed810aad5ae46aa55e27e6d877192dc38647ff2b9c128469d3077188993738a16036207f4fc", @generic="212fa2e8e0eb31bc2a087a4dad136320cbe416b1514ad63cf6f51ab71e819ad6115a319d8042983cfdd134055d5bcd4779cd0d0cda10ea70dd1903d6f7804f9cab24e8e760acbb193f9e90ba482338c2515338b7206f2354b8bd0fd49158b3f8eecaf895340d67b7ee4ab74874c6a3a5573294f9db5187a84b080b8d5ccc57a9175c3e58f46b14cdf8f4d0b92564a8e1a127e6e451bad149c21752b2b3b596faa848e52c7d78770495d02820d24fbddc50a87020", @typed={0xc, 0x3, @u32=0x9}]}, @typed={0xbc, 0x3a, @binary="3964a38cc10ce81a9b3a649c9ec6df7cce1453fc9534da8e1ca502b220ac9a22d129c9ad56feddb88098cd32f6d96670dede9885a2f0c48fa75d47674cd24bd63e5f9e2c77a2d47a7d393cf2202c569d8ca267dc220ea56cdf064269c2f130d6e9bdf978dfc3c2afa9384e641171000fb62fd11677bcd0c48a9775ee62b4f93f23f3ac7486f496f9290bc227bfc55b9ef59e743399ea585c50dfb719c0129740cde9b11d2b9a2bdcff80fc0ffb43394f2836"}, @typed={0xc, 0x14, @pid=r3}, @nested={0x30, 0x2, [@typed={0x14, 0x3, @str='+cpusetproc\x00'}, @typed={0x18, 0x4e, @ipv6=@loopback={0x0, 0x1}}]}, @nested={0xc, 0x5d, [@typed={0x8, 0x1e}]}, @generic="fc9add15f6e664e0fcb241800a14fb8cc67bdc0ae29bd8193823f52d523f5b5ef2eab3f01f5ae1fe928f02a6ba6975f941db313555737c3649448d54e5fcd772e4f20407b1872ca2c47aa9ee725e186787a3715394d231ec129985981eba788f3f22fcab3d26071f92ac7e7c8adbf1b06d47135456446b0abbfc272f9bf10f8c580e3087ceb9658a01d3d427928c7111bc681b6ec5dc8c5fb8b0c002a4596f3b22e627830b4fc57e7027", @nested={0xc8, 0x3f, [@generic="d629ae34865a6bc88bb31d354275486a105cc79cce08caffb80e15e9798338af28ebf14b3189a28b325dc83b8f2fe3e6cf5a861832984698d3c6fbd70c552ed5245be45caf91ccd41bea13d4cac4e493058ffd58554dd602a6b239534edad0f5c9aa3551c4396035a71c04f0c7ec92eb81e50d8004f211f5ec92fcd54cd75a759625d2cfdb3cc4b61e2cd9a576fcf5cc020bf53b088dba17ff49b6eaaf6e5d3c7b5b3942ce46542539dcd6f620933ed42c35bffcbb583e6ebcf011ff39bc3bf920c8247f"]}, @generic="4a8f183d1d049a69e7747cbffdcee8e9f3c8ed0f20535b554e917a326ff9d8445d92a77a0df1542f34332dfa3e96799c92c072c9ebe872d324dd075593d559c8cb31d166957866f522748061fc9897cb6cd841e3ef4cb932182f9af43c8a30bcc43edb02c25e0077cfa852f7b473f14ffe2928fb3c6f281a3b421f393e31f3aaded9a1afadf438ef59b224dbe06babd506244420ae0c4a6464419e870e", @nested={0x15c, 0x32, [@generic="7d48852177d018a96ba9aaf413648a6634b48a43146ee9cde825cc091df6ba43c60f3b8cf0d60bb258985efdc23882593ac14fd3e545b38a55f415409d4f906b107efb664e3e5b0ccf0243bf71ce39cc61c95a87fe581a4b2921ac106be1384ecbfbc7838ef4363d787bc46eb09a3ae4ad75c862bbd440cddbf7d09e964cf520d0f87fec9088605fe8cee63b4c3edd66c9b9cb4cb4b726b9be8f6bafeff2070480a25a91308485c610df8628ab008222f249a31b520b25f0da9d5f0f9c54d6ba06ec562c80ae9ced25dfaca0de4fbeb9288fabf75023ae133525ad344b01ed99428a948bcf15cd4e93", @typed={0xc, 0x47, @fd=r4}, @typed={0x60, 0x5d, @binary="176d0421480890bee019f2126939d1530072a3dbc872e583434870368e3ba275adb582a1af20a3157225906721f3973c82a2dfce42ab33c7871d165ecabfa729331cb530072e698f78208534bbb44d2b889e90b4ec06"}]}]}, 0x654}, {&(0x7f00000018c0)=ANY=[@ANYBLOB="3c010000210000042dbd7000fedbdf25080049000000000025aebb4e05aa319b2b32c2bbd7dc8699c5a5dd0df59475afa06be9ac2e012549c7d9ce2c22d055281ca32c466a6a966e08a1ea3bf518b9c8ac7f62f7a9254b801fc52659f3f980cc59ba92327ef2ec5589ea8ecac041d3a8ee981dbed4117649e0276129de988064ee0a199dd4777046e35cf0f906434ca29d31c51c566de40fb445c587d33243fd4acbefbf58e89b6561ed44445070cd04c4ae54ac5d84b355c779d46858935b425ecd984d627e428bfcd403e757a90312635a4012ec8158fc51ce4aa8d84c8b49d1629dcdbadc2b1d4331093a5fe01a9811c495d9d88aeb4875b6513404c53b79178601bd217dbf6d697d1185baa217a26705cac8358c50481ed3e44de2654b0ade70bab09792810016e4ac88dc8516ac000000"], 0x13c}, {&(0x7f0000001b00)={0x258, 0x16, 0x10, 0x70bd2a, 0x25dfdbfc, "", [@typed={0x10, 0x78, @str='ppp0\\\x00'}, @nested={0x22c, 0x41, [@generic="a6f8709847acb7a2", @generic="837fd03f58de8a24c255b4d0db11ace7efee78068d990b9bbfc7c01462366815e9e0e0abb139859cd75d5a3a3c35f46174f811f09e291aad788077465cb111f35886957a3810b04245a00f47e1978fa1b7eb1bd1e395aced492801a2e45e0edb5bb862458cc67e95c761416137a7e5b833be9eb1690a6b62c47507078b302c90e70dd2ac45645de082fa23157b0098fdf85f0055a8dbad9ea7ee23b1b8b94110494b5430ee699fbf7e649487ddb68464d304ec7b", @typed={0xc, 0x3e, @pid=r5}, @generic="0dbbfa2653c71167883291dbd4a41c4e87d0e0eacb842a2087f1c640a2847b79ce6d10d14b613c0d0483d5f6bd45b549768ab2a6508e2987290d52a16d44648676222b46247faa4b9648f92e70aa428ab825e89e7ca9a93eceb7451794aab9df75065535c9b54c715e2ea2a88d2b14312fc122dd", @typed={0xc, 0x12, @uid=r7}, @generic="342c2e831255ce8554bce9ef6f42c06d3a385009dbfc328165ba6ee4ffd457151ea75a007652e3d502ab70f6a7fd2fb8ea76bbe97c58c9c44a5fda68f4d0747c01b412965a9910bb643650ea8e5068f19154a25f2241280f1dea7a2085bca199b94d5db88b2e7b8b40d661e65628e520ba7bdc380794c626c8305f528f02013aa9e0f879a9a81d39a295d3b03e108726da6695a10f1e34d4898d02678bf1949d997781e2ba26e27f9836465e9caa5ae1e8d0b75c094f93b9303a4a38d28e3f6bd6952e2684f0fb33549e18cb9c9ecda5b6", @typed={0xc, 0x7b, @u32=0xf}]}, @typed={0xc, 0x4c, @uid=r8}]}, 0x258}], 0x4, &(0x7f0000002100)=[@cred={0x18, 0x1, 0x2, r9, r10, r11}, @cred={0x18, 0x1, 0x2, r12, r13, r14}, @rights={0x14, 0x1, 0x1, [r15, r16]}, @cred={0x18, 0x1, 0x2, r17, r18, r19}, @rights={0xc, 0x1, 0x1, []}, @rights={0x10, 0x1, 0x1, [r20]}], 0x78, 0x40}, 0x4008040) r21 = socket$l2tp(0x18, 0x1, 0x1) shutdown(r21, 0x1) getpgid(r6) connect$l2tp(r21, &(0x7f0000003000)=@pppol2tpv3={0x18, 0x1, {0x0, 0xffffffffffffffff, {0x2, 0x4e20, @remote={0xac, 0x14, 0xffffffffffffffff, 0xbb}}, 0x1, 0x15}}, 0x2e) ioctl$PPPIOCGMRU(r21, 0x80047453, &(0x7f0000000000)) 2018/03/07 14:41:00 executing program 7: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x100) ioctl$KDGKBDIACR(r0, 0x4b4a, &(0x7f0000000040)=""/172) mmap(&(0x7f0000000000/0xfd5000)=nil, 0xfd5000, 0x300000c, 0x32, 0xffffffffffffffff, 0x0) signalfd(0xffffffffffffffff, &(0x7f0000b9fff8)={0xffffffffffffffff}, 0x8) 2018/03/07 14:41:00 executing program 0: r0 = socket$inet(0x10, 0x3, 0x0) sendmsg(r0, &(0x7f0000004fc8)={0x0, 0x0, &(0x7f0000003000)=[{&(0x7f000000efdc)="240000002600030007fffd94ffffffffffffffe103000000031d0000fffffffffffffffc", 0x24}], 0x1}, 0x0) r1 = inotify_add_watch(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) inotify_rm_watch(r0, r1) [ 87.032557] 12506 total pagecache pages [ 87.036505] 0 pages in swap cache [ 87.040122] Swap cache stats: add 0, delete 0, find 0/0 [ 87.045461] Free swap = 0kB [ 87.048467] Total swap = 0kB [ 87.051461] 1965969 pages RAM [ 87.054531] 0 pages HighMem/MovableOnly [ 87.058497] 320510 pages reserved [ 87.069022] syz-executor2: vmalloc: allocation failure: 0 bytes[ 87.077701] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 87.085783] PF_BRIDGE: RTM_NEWNEIGH with invalid ifindex [ 87.092171] , mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 87.098949] CPU: 0 PID: 9824 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 87.106480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.115803] ffff8801b4f878a8 ffffffff81d956f9 1ffff100369f0f18 ffff8801b22e4800 [ 87.123769] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801b4f879b8 [ 87.131733] ffffffff81451c92 024000c2b4f878f8 0000000041b58ab3 ffffffff84195b35 [ 87.139705] Call Trace: [ 87.142261] [] dump_stack+0xc1/0x128 [ 87.147593] [] warn_alloc+0x212/0x240 [ 87.153011] [] ? zone_watermark_ok_safe+0x280/0x280 [ 87.159648] [] ? avc_has_perm+0xb0/0x4f0 [ 87.165328] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 87.171818] [] __vmalloc_node_range+0x3f5/0x5f0 [ 87.178116] [] ? check_preemption_disabled+0x3b/0x200 [ 87.184931] [] ? task_has_security+0x130/0x270 [ 87.191131] [] vmalloc+0x5b/0x70 [ 87.196114] [] ? sel_write_load+0x130/0xfd0 [ 87.202051] [] sel_write_load+0x130/0xfd0 [ 87.207817] [] ? drop_futex_key_refs.isra.11+0x63/0xd0 [ 87.214708] [] ? futex_wake+0x146/0x440 [ 87.220298] [] ? sel_read_bool+0x250/0x250 [ 87.226152] [] ? sel_read_bool+0x250/0x250 [ 87.232005] [] __vfs_write+0x103/0x680 [ 87.237509] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 87.243971] [] ? __might_sleep+0x95/0x1a0 [ 87.249735] [] ? __lock_is_held+0xa1/0xf0 [ 87.255500] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 87.262308] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 87.268856] [] ? __sb_start_write+0x14a/0x310 [ 87.274967] [] vfs_write+0x189/0x530 [ 87.280298] [] SyS_pwrite64+0x13f/0x170 [ 87.285888] [] ? SyS_pread64+0x170/0x170 [ 87.291569] [] ? compat_SyS_ioctl+0x8c/0x2050 [ 87.297682] [] sys32_pwrite+0x39/0x50 [ 87.303099] [] ? sys32_pread+0x50/0x50 [ 87.308605] [] do_fast_syscall_32+0x2f5/0x870 [ 87.314714] [] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 87.321351] [] entry_SYSENTER_compat+0x90/0xa2 [ 87.333958] Mem-Info: [ 87.336399] active_anon:53763 inactive_anon:44 isolated_anon:0 [ 87.336399] active_file:3504 inactive_file:8959 isolated_file:0 [ 87.336399] unevictable:0 dirty:187 writeback:0 unstable:0 [ 87.336399] slab_reclaimable:6965 slab_unreclaimable:59005 [ 87.336399] mapped:23810 shmem:51 pagetables:619 bounce:0 [ 87.336399] free:1475231 free_pcp:484 free_cma:0 [ 87.370296] Node 0 active_anon:215052kB inactive_anon:176kB active_file:14016kB inactive_file:35836kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:95240kB dirty:760kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 86016kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no [ 87.399862] 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 [ 87.429737] lowmem_reserve[]: 0 2908 6410 6410 [ 87.434901] DMA32 free:2979944kB 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:2980716kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:772kB local_pcp:48kB free_cma:0kB [ 87.466274] lowmem_reserve[]: 0 0 3501 3501 [ 87.471222] Normal free:2905136kB min:36824kB low:46028kB high:55232kB active_anon:215052kB inactive_anon:176kB active_file:14016kB inactive_file:35836kB unevictable:0kB writepending:764kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27860kB slab_unreclaimable:236032kB kernel_stack:5440kB pagetables:2476kB bounce:0kB free_pcp:1140kB local_pcp:684kB free_cma:0kB [ 87.505539] lowmem_reserve[]: 0 0 0 0 [ 87.509936] 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 [ 87.525205] DMA32: 4*4kB (M) 1*8kB (M) 1*16kB (M) 2*32kB (M) 2*64kB (M) 3*128kB (M) 2*256kB (M) 4*512kB (M) 1*1024kB (M) 1*2048kB (M) 726*4096kB (M) = 2979944kB [ 87.542787] Normal: 112*4kB (UM) 96*8kB (UM) 139*16kB (UME) 112*32kB (UME) 238*64kB (UME) 31*128kB (UM) 8*256kB (UM) 13*512kB (ME) 5*1024kB (UM) 3*2048kB (UM) 698*4096kB (M) = 2905200kB [ 87.562167] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 87.570888] 12518 total pagecache pages [ 87.574842] 0 pages in swap cache [ 87.578285] Swap cache stats: add 0, delete 0, find 0/0 [ 87.583622] Free swap = 0kB [ 87.586607] Total swap = 0kB [ 87.590072] 1965969 pages RAM [ 87.593158] 0 pages HighMem/MovableOnly [ 87.597127] 320510 pages reserved [ 87.600593] syz-executor2: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) [ 87.610745] CPU: 1 PID: 9841 Comm: syz-executor2 Not tainted 4.9.86-gb324a70 #58 [ 87.618254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.627588] ffff8801d8e678a8 ffffffff81d956f9 1ffff1003b1ccf18 ffff8801d81ab000 [ 87.635594] ffffffff83ab9520 0000000000000001 0000000000400000 ffff8801d8e679b8 [ 87.643582] ffffffff81451c92 024000c2d8e678f8 0000000041b58ab3 ffffffff84195b35 [ 87.651573] Call Trace: [ 87.654138] [] dump_stack+0xc1/0x128 [ 87.659492] [] warn_alloc+0x212/0x240 [ 87.664930] [] ? zone_watermark_ok_safe+0x280/0x280 [ 87.671590] [] ? avc_has_perm+0xb0/0x4f0 [ 87.677277] [] ? __vmalloc_node_range+0x3e0/0x5f0 [ 87.683740] [] __vmalloc_node_range+0x3f5/0x5f0 [ 87.690028] [] ? check_preemption_disabled+0x3b/0x200 [ 87.696840] [] ? task_has_security+0x130/0x270 [ 87.703046] [] vmalloc+0x5b/0x70 [ 87.708034] [] ? sel_write_load+0x130/0xfd0 [ 87.713974] [] sel_write_load+0x130/0xfd0 [ 87.719740] [] ? sel_read_bool+0x250/0x250 [ 87.725592] [] ? sel_read_bool+0x250/0x250 [ 87.731459] [] __vfs_write+0x103/0x680 [ 87.736971] [] ? do_iter_readv_writev+0x4b0/0x4b0 [ 87.743449] [] ? __might_sleep+0x95/0x1a0 [ 87.749227] [] ? __lock_is_held+0xa1/0xf0 [ 87.754994] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 87.761810] [] ? rcu_sync_lockdep_assert+0x6d/0xb0 [ 87.768364] [] ? __sb_start_write+0x14a/0x310 [ 87.774480] [] vfs_write+0x189/0x530 [ 87.779813] [] SyS_