=============================== [ INFO: suspicious RCU usage. ] 4.4.174+ #4 Not tainted ------------------------------- net/ipv4/xfrm4_protocol.c:80 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 0 no locks held by syz-executor.0/9884. stack backtrace: CPU: 1 PID: 9884 Comm: syz-executor.0 Not tainted 4.4.174+ #4 0000000000000000 938f0a7844888a04 ffff88009e1577c8 ffffffff81aad1a1 ffffffff831af4e0 0000000000000000 0000000000000001 0000000000000050 ffff8800a3580000 ffff88009e1577f8 ffffffff813ab7d6 ffff8800b8540000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] lockdep_rcu_suspicious.cold+0x10a/0x149 kernel/locking/lockdep.c:4305 [] xfrm4_rcv_encap+0x30a/0x370 net/ipv4/xfrm4_protocol.c:80 [] xfrm4_udp_encap_rcv+0x3f5/0x620 net/ipv4/xfrm4_input.c:148 [] udp_queue_rcv_skb+0xe57/0x14e0 net/ipv4/udp.c:1547 [] sk_backlog_rcv include/net/sock.h:875 [inline] [] __release_sock net/core/sock.c:2024 [inline] [] release_sock+0x170/0x500 net/core/sock.c:2477 [] udp_sendmsg+0x1176/0x1c60 net/ipv4/udp.c:1107 [] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:638 [inline] [] sock_sendmsg+0xbe/0x110 net/socket.c:648 [] sock_write_iter+0x235/0x3d0 net/socket.c:847 [] new_sync_write fs/read_write.c:480 [inline] [] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. input: syz1 as /devices/virtual/input/input38 uinput: write device info first vmalloc: allocation failure: 0 bytes syz-executor.3: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 10203 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 55f2106c724f54f3 ffff8800b449f9f0 ffffffff81aad1a1 1ffff10016893f41 ffff8801d356c740 00000000024000c2 0000000000000000 ffffffff82895080 ffff8800b449fb00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102888 inactive_anon:15840 isolated_anon:0 active_file:4774 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4269 writeback:0 unstable:0 slab_reclaimable:4970 slab_unreclaimable:61865 mapped:61170 shmem:18155 pagetables:5023 bounce:0 free:1367953 free_pcp:608 free_cma:0 DMA32 free:2504236kB min:4696kB low:5868kB high:7044kB active_anon:188816kB inactive_anon:28296kB active_file:8296kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8076kB writeback:0kB mapped:110664kB shmem:32696kB slab_reclaimable:9532kB slab_unreclaimable:112028kB kernel_stack:4256kB pagetables:8576kB unstable:0kB bounce:0kB free_pcp:1392kB local_pcp:700kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2968160kB min:5580kB low:6972kB high:8368kB active_anon:222648kB inactive_anon:35068kB active_file:10808kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9008kB writeback:0kB mapped:134064kB shmem:39916kB slab_reclaimable:10380kB slab_unreclaimable:135432kB kernel_stack:5984kB pagetables:11284kB unstable:0kB bounce:0kB free_pcp:1384kB local_pcp:716kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 82*4kB (UM) 277*8kB (UME) 582*16kB (UME) 136*32kB (UME) 73*64kB (UME) 34*128kB (UME) 7*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2504592kB Normal: 80*4kB (UME) 358*8kB (UME) 629*16kB (UME) 112*32kB (UME) 72*64kB (UME) 34*128kB (UME) 18*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2968256kB 38391 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.3: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 10244 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 a8b6dd28046ea184 ffff8801d185f9f0 ffffffff81aad1a1 1ffff1003a30bf41 ffff8801c00e5f00 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801d185fb00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102898 inactive_anon:15843 isolated_anon:0 active_file:4779 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4275 writeback:0 unstable:0 slab_reclaimable:4987 slab_unreclaimable:61846 mapped:61188 shmem:18154 pagetables:4944 bounce:0 free:1368138 free_pcp:506 free_cma:0 DMA32 free:2504960kB min:4696kB low:5868kB high:7044kB active_anon:188800kB inactive_anon:28308kB active_file:8308kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8096kB writeback:0kB mapped:110672kB shmem:32700kB slab_reclaimable:9536kB slab_unreclaimable:112016kB kernel_stack:4096kB pagetables:8364kB unstable:0kB bounce:0kB free_pcp:1000kB local_pcp:388kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2968288kB min:5580kB low:6972kB high:8368kB active_anon:222664kB inactive_anon:35072kB active_file:10816kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9016kB writeback:0kB mapped:134044kB shmem:39916kB slab_reclaimable:10412kB slab_unreclaimable:135596kB kernel_stack:5824kB pagetables:11360kB unstable:0kB bounce:0kB free_pcp:1084kB local_pcp:368kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 117*4kB (UM) 283*8kB (UME) 589*16kB (UME) 134*32kB (UME) 75*64kB (UME) 33*128kB (UME) 8*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2505084kB Normal: 118*4kB (UME) 365*8kB (UME) 626*16kB (UME) 101*32kB (UME) 74*64kB (UME) 35*128kB (UME) 18*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2968320kB 38396 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.3: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 10283 Comm: syz-executor.3 Not tainted 4.4.174+ #4 0000000000000000 8caa2c8a58f3ebae ffff88009e1979f0 ffffffff81aad1a1 1ffff10013c32f41 ffff8801d3fa0000 00000000024000c2 0000000000000000 ffffffff82895080 ffff88009e197b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102860 inactive_anon:15844 isolated_anon:0 active_file:4781 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4280 writeback:0 unstable:0 slab_reclaimable:5001 slab_unreclaimable:61947 mapped:61184 shmem:18154 pagetables:4917 bounce:0 free:1368090 free_pcp:555 free_cma:0 DMA32 free:2504552kB min:4696kB low:5868kB high:7044kB active_anon:188960kB inactive_anon:28296kB active_file:8308kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8104kB writeback:0kB mapped:110676kB shmem:32688kB slab_reclaimable:9544kB slab_unreclaimable:111916kB kernel_stack:4224kB pagetables:8388kB unstable:0kB bounce:0kB free_pcp:1136kB local_pcp:632kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2967792kB min:5580kB low:6972kB high:8368kB active_anon:222572kB inactive_anon:35080kB active_file:10816kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9016kB writeback:0kB mapped:134064kB shmem:39928kB slab_reclaimable:10476kB slab_unreclaimable:136184kB kernel_stack:5952kB pagetables:11344kB unstable:0kB bounce:0kB free_pcp:916kB local_pcp:240kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 61*4kB (UM) 240*8kB (UME) 595*16kB (UME) 123*32kB (UME) 84*64kB (UME) 32*128kB (UME) 9*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2504964kB Normal: 134*4kB (UME) 335*8kB (UM) 619*16kB (UME) 88*32kB (UME) 79*64kB (UME) 34*128kB (UME) 19*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2968064kB 38401 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.1: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 10886 Comm: syz-executor.1 Not tainted 4.4.174+ #4 0000000000000000 0d774eb10a8cf506 ffff8801d92e79f0 ffffffff81aad1a1 1ffff1003b25cf41 ffff8801da798000 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801d92e7b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102878 inactive_anon:15841 isolated_anon:0 active_file:4787 inactive_file:15461 isolated_file:0 unevictable:9 dirty:4284 writeback:0 unstable:0 slab_reclaimable:5163 slab_unreclaimable:62915 mapped:61188 shmem:18155 pagetables:5020 bounce:0 free:1366894 free_pcp:313 free_cma:0 DMA32 free:2504296kB min:4696kB low:5868kB high:7044kB active_anon:188920kB inactive_anon:28288kB active_file:8328kB inactive_file:28160kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8116kB writeback:0kB mapped:110684kB shmem:32680kB slab_reclaimable:9744kB slab_unreclaimable:112204kB kernel_stack:4224kB pagetables:8624kB unstable:0kB bounce:0kB free_pcp:740kB local_pcp:184kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2964996kB min:5580kB low:6972kB high:8368kB active_anon:222560kB inactive_anon:35080kB active_file:10820kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9020kB writeback:0kB mapped:134068kB shmem:39928kB slab_reclaimable:10908kB slab_unreclaimable:138964kB kernel_stack:5952kB pagetables:11260kB unstable:0kB bounce:0kB free_pcp:1008kB local_pcp:296kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 86*4kB (U) 202*8kB (UM) 598*16kB (UME) 63*32kB (UME) 94*64kB (UME) 37*128kB (UME) 10*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2504424kB Normal: 183*4kB (UME) 325*8kB (UM) 620*16kB (UM) 86*32kB (UME) 25*64kB (UME) 33*128kB (UME) 21*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2965060kB 38401 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.1: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 10948 Comm: syz-executor.1 Not tainted 4.4.174+ #4 0000000000000000 f0e547fdcb2f46af ffff8801bf9579f0 ffffffff81aad1a1 1ffff10037f2af41 ffff8801bd444740 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801bf957b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102890 inactive_anon:15844 isolated_anon:0 active_file:4793 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4292 writeback:0 unstable:0 slab_reclaimable:5169 slab_unreclaimable:62779 mapped:61209 shmem:18154 pagetables:4952 bounce:0 free:1367127 free_pcp:656 free_cma:0 DMA32 free:2504852kB min:4696kB low:5868kB high:7044kB active_anon:188768kB inactive_anon:28296kB active_file:8332kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8116kB writeback:0kB mapped:110688kB shmem:32688kB slab_reclaimable:9752kB slab_unreclaimable:111492kB kernel_stack:4160kB pagetables:8452kB unstable:0kB bounce:0kB free_pcp:1348kB local_pcp:716kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2963904kB min:5580kB low:6972kB high:8368kB active_anon:222620kB inactive_anon:35080kB active_file:10848kB inactive_file:33688kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9052kB writeback:0kB mapped:134064kB shmem:39928kB slab_reclaimable:10924kB slab_unreclaimable:139712kB kernel_stack:5984kB pagetables:11296kB unstable:0kB bounce:0kB free_pcp:1232kB local_pcp:564kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 69*4kB (UM) 204*8kB (UME) 596*16kB (UME) 78*32kB (UME) 95*64kB (UME) 37*128kB (UME) 10*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2504884kB Normal: 84*4kB (UME) 330*8kB (UM) 620*16kB (UME) 60*32kB (UME) 27*64kB (UME) 33*128kB (UME) 21*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2964000kB 38410 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.1: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 10987 Comm: syz-executor.1 Not tainted 4.4.174+ #4 0000000000000000 947e2e975359306c ffff8800b2af79f0 ffffffff81aad1a1 1ffff1001655ef41 ffff8801b71597c0 00000000024000c2 0000000000000000 ffffffff82895080 ffff8800b2af7b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102855 inactive_anon:15843 isolated_anon:0 active_file:4797 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4296 writeback:0 unstable:0 slab_reclaimable:5177 slab_unreclaimable:62854 mapped:61208 shmem:18154 pagetables:4939 bounce:0 free:1367074 free_pcp:672 free_cma:0 DMA32 free:2505336kB min:4696kB low:5868kB high:7044kB active_anon:188772kB inactive_anon:28300kB active_file:8336kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8132kB writeback:0kB mapped:110688kB shmem:32688kB slab_reclaimable:9768kB slab_unreclaimable:111052kB kernel_stack:4192kB pagetables:8444kB unstable:0kB bounce:0kB free_pcp:1340kB local_pcp:632kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2963296kB min:5580kB low:6972kB high:8368kB active_anon:222648kB inactive_anon:35072kB active_file:10864kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9068kB writeback:0kB mapped:134144kB shmem:39928kB slab_reclaimable:10948kB slab_unreclaimable:140148kB kernel_stack:5856kB pagetables:11312kB unstable:0kB bounce:0kB free_pcp:1336kB local_pcp:684kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 53*4kB (UM) 211*8kB (UME) 593*16kB (UME) 85*32kB (UME) 100*64kB (UME) 37*128kB (UME) 10*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2505372kB Normal: 36*4kB (UME) 318*8kB (UME) 618*16kB (UME) 60*32kB (UME) 25*64kB (UME) 32*128kB (UME) 21*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2963424kB 38415 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.4: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 11012 Comm: syz-executor.4 Not tainted 4.4.174+ #4 0000000000000000 0c00bf0fab07231e ffff8801d714f9f0 ffffffff81aad1a1 1ffff1003ae29f41 ffff8801d6eb8000 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801d714fb00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102875 inactive_anon:15841 isolated_anon:0 active_file:4805 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4305 writeback:0 unstable:0 slab_reclaimable:5187 slab_unreclaimable:62998 mapped:61195 shmem:18154 pagetables:4970 bounce:0 free:1366900 free_pcp:518 free_cma:0 DMA32 free:2504740kB min:4696kB low:5868kB high:7044kB active_anon:188824kB inactive_anon:28288kB active_file:8340kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8140kB writeback:0kB mapped:110688kB shmem:32680kB slab_reclaimable:9776kB slab_unreclaimable:111620kB kernel_stack:4128kB pagetables:8504kB unstable:0kB bounce:0kB free_pcp:1204kB local_pcp:488kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2963412kB min:5580kB low:6972kB high:8368kB active_anon:222656kB inactive_anon:35088kB active_file:10880kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9084kB writeback:0kB mapped:134064kB shmem:39936kB slab_reclaimable:10980kB slab_unreclaimable:140172kB kernel_stack:5952kB pagetables:11352kB unstable:0kB bounce:0kB free_pcp:1048kB local_pcp:336kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 61*4kB (UM) 218*8kB (UM) 592*16kB (UME) 65*32kB (UME) 100*64kB (UME) 37*128kB (UME) 10*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2504804kB Normal: 65*4kB (UME) 348*8kB (UME) 615*16kB (UME) 59*32kB (UME) 24*64kB (ME) 31*128kB (UME) 21*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2963508kB 38419 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.4: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 11044 Comm: syz-executor.4 Not tainted 4.4.174+ #4 0000000000000000 3410d5b2b7c1f61f ffff8801d73379f0 ffffffff81aad1a1 1ffff1003ae66f41 ffff8800a6795f00 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801d7337b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102924 inactive_anon:15842 isolated_anon:0 active_file:4807 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4307 writeback:0 unstable:0 slab_reclaimable:5213 slab_unreclaimable:63359 mapped:61188 shmem:18155 pagetables:4984 bounce:0 free:1366390 free_pcp:521 free_cma:0 DMA32 free:2503636kB min:4696kB low:5868kB high:7044kB active_anon:188976kB inactive_anon:28292kB active_file:8340kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8140kB writeback:0kB mapped:110688kB shmem:32692kB slab_reclaimable:9816kB slab_unreclaimable:112484kB kernel_stack:4416kB pagetables:8516kB unstable:0kB bounce:0kB free_pcp:1240kB local_pcp:500kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2962480kB min:5580kB low:6972kB high:8368kB active_anon:222604kB inactive_anon:35084kB active_file:10888kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9088kB writeback:0kB mapped:134064kB shmem:39928kB slab_reclaimable:11044kB slab_unreclaimable:141168kB kernel_stack:5920kB pagetables:11256kB unstable:0kB bounce:0kB free_pcp:1096kB local_pcp:460kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 184*4kB (UM) 229*8kB (UME) 587*16kB (UME) 49*32kB (UME) 87*64kB (UME) 37*128kB (UME) 10*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2503960kB Normal: 148*4kB (UME) 356*8kB (UME) 612*16kB (UME) 50*32kB (UME) 25*64kB (UME) 23*128kB (UME) 21*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2962608kB 38422 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved vmalloc: allocation failure: 0 bytes syz-executor.4: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 11108 Comm: syz-executor.4 Not tainted 4.4.174+ #4 0000000000000000 c253f2c07f5db928 ffff8801d5cd79f0 ffffffff81aad1a1 1ffff1003ab9af41 ffff8800b797c740 00000000024000c2 0000000000000000 ffffffff82895080 ffff8801d5cd7b00 ffffffff8148c0cb ffffffff00000001 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [] warn_alloc_failed.cold+0x78/0x99 mm/page_alloc.c:2757 [] __vmalloc_node_range mm/vmalloc.c:1693 [inline] [] __vmalloc_node_range+0x365/0x650 mm/vmalloc.c:1654 [] __vmalloc_node mm/vmalloc.c:1716 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1730 [inline] [] vmalloc+0x5c/0x70 mm/vmalloc.c:1745 [] sel_write_load+0x119/0xf90 security/selinux/selinuxfs.c:527 [] __vfs_write+0x116/0x3d0 fs/read_write.c:491 [] vfs_write+0x182/0x4e0 fs/read_write.c:540 [] SYSC_write fs/read_write.c:587 [inline] [] SyS_write+0xdc/0x1c0 fs/read_write.c:579 [] entry_SYSCALL_64_fastpath+0x1e/0x9a Mem-Info: active_anon:102846 inactive_anon:15842 isolated_anon:0 active_file:4812 inactive_file:15460 isolated_file:0 unevictable:9 dirty:4314 writeback:0 unstable:0 slab_reclaimable:5080 slab_unreclaimable:63564 mapped:61182 shmem:18154 pagetables:4946 bounce:0 free:1366499 free_pcp:605 free_cma:0 DMA32 free:2503724kB min:4696kB low:5868kB high:7044kB active_anon:188768kB inactive_anon:28304kB active_file:8356kB inactive_file:28156kB unevictable:36kB isolated(anon):0kB isolated(file):0kB present:3145324kB managed:3021976kB mlocked:36kB dirty:8164kB writeback:0kB mapped:110672kB shmem:32700kB slab_reclaimable:9620kB slab_unreclaimable:112824kB kernel_stack:4128kB pagetables:8492kB unstable:0kB bounce:0kB free_pcp:1324kB local_pcp:668kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 3504 3504 Normal free:2962464kB min:5580kB low:6972kB high:8368kB active_anon:222616kB inactive_anon:35064kB active_file:10892kB inactive_file:33684kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3588764kB mlocked:0kB dirty:9092kB writeback:0kB mapped:134056kB shmem:39916kB slab_reclaimable:10700kB slab_unreclaimable:141432kB kernel_stack:5984kB pagetables:11292kB unstable:0kB bounce:0kB free_pcp:1096kB local_pcp:400kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 DMA32: 195*4kB (UME) 241*8kB (UME) 583*16kB (UME) 49*32kB (UME) 83*64kB (UME) 37*128kB (UME) 10*256kB (UME) 5*512kB (UME) 1*1024kB (U) 4*2048kB (M) 602*4096kB (M) = 2503780kB Normal: 170*4kB (UME) 375*8kB (UME) 612*16kB (UME) 44*32kB (UME) 24*64kB (ME) 22*128kB (UME) 21*256kB (UME) 8*512kB (UME) 7*1024kB (UME) 5*2048kB (UME) 712*4096kB (M) = 2962464kB 38428 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 313294 pages reserved