vmalloc: allocation failure: 0 bytes BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/5754 syz-executor2: page allocation failure: order:0, mode:0x24000c2 CPU: 1 PID: 5751 Comm: syz-executor2 Not tainted 4.4.124-g49632c6 #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 a614be5960a32f3a ffff8800acaef8c0 ffffffff81d0663d 1ffff1001595df1b ffff8801d970b000 00000000024000c2 0000000000000000 0000000000000001 ffff8800acaef9d0 ffffffff81431809 ffffffff838ac720 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] warn_alloc_failed+0x1d9/0x240 mm/page_alloc.c:2757 [] __vmalloc_node_range+0x41d/0x630 mm/vmalloc.c:1692 [] __vmalloc_node mm/vmalloc.c:1715 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1729 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1744 [] sel_write_load+0x130/0xff0 security/selinux/selinuxfs.c:527 [] __vfs_write+0x103/0x450 fs/read_write.c:489 [] vfs_write+0x18a/0x530 fs/read_write.c:538 [] SYSC_write fs/read_write.c:585 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:577 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 Mem-Info: active_anon:49932 inactive_anon:42 isolated_anon:0 active_file:3503 inactive_file:7944 isolated_file:0 unevictable:0 dirty:51 writeback:0 unstable:0 slab_reclaimable:4594 slab_unreclaimable:58938 mapped:23890 shmem:48 pagetables:630 bounce:0 free:1478062 free_pcp:479 free_cma:0 DMA free:15904kB min:160kB low:200kB high:240kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:15992kB managed:15904kB mlocked:0kB dirty:0kB writeback:0kB mapped:0kB shmem:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB unstable:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? yes lowmem_reserve[]: 0 2910 6411 6411 DMA32 free:2679176kB min:30608kB low:38260kB high:45912kB active_anon:89948kB inactive_anon:112kB active_file:8916kB inactive_file:10844kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982712kB mlocked:0kB dirty:128kB writeback:0kB mapped:44272kB shmem:120kB slab_reclaimable:9232kB slab_unreclaimable:108376kB kernel_stack:1696kB pagetables:1104kB unstable:0kB bounce:0kB free_pcp:916kB local_pcp:620kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3217168kB min:36808kB low:46008kB high:55212kB active_anon:109780kB inactive_anon:56kB active_file:5096kB inactive_file:20932kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:76kB writeback:0kB mapped:51288kB shmem:72kB slab_reclaimable:9144kB slab_unreclaimable:127376kB kernel_stack:3552kB pagetables:1416kB unstable:0kB bounce:0kB free_pcp:1000kB local_pcp:504kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 0*4kB 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) = 15904kB DMA32: 426*4kB (UME) 326*8kB (UM) 199*16kB (UME) 47*32kB (UME) 27*64kB (UM) 9*128kB (UM) 11*256kB (UME) 4*512kB (UME) 8*1024kB (M) 4*2048kB (ME) 646*4096kB (M) = 2679144kB Normal: 394*4kB (UME) 249*8kB (UM) 221*16kB (UM) 81*32kB (UME) 25*64kB (UM) 22*128kB (UME) 14*256kB (UME) 3*512kB (M) 17*1024kB (ME) 3*2048kB (M) 775*4096kB (M) = 3217184kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11494 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965969 pages RAM 0 pages HighMem/MovableOnly 320150 pages reserved caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 5754 Comm: syz-executor5 Not tainted 4.4.124-g49632c6 #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 9f2c384d217b1a46 ffff8800a86c7648 ffffffff81d0663d 0000000000000000 ffffffff839ff0a0 ffffffff83d0cf20 ffff8801c7d6e000 0000000000000003 ffff8800a86c7688 ffffffff81d66594 ffff8800a86c76a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x980 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fbb/0x3490 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] C_SYSC_sendmsg net/compat.c:720 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 audit: type=1326 audit(1522245833.139:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5964 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf77f4ba9 code=0x0 audit: type=1326 audit(1522245833.219:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5964 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=40000003 syscall=240 compat=1 ip=0xf77f4ba9 code=0x0 binder: 6095:6098 ioctl c0106434 20000140 returned -22 binder: 6095:6105 ioctl c0086438 20000180 returned -22 binder: 6095:6105 ioctl c0086426 200000c0 returned -22 binder: 6095:6098 ioctl c0106434 20000140 returned -22 binder: 6095:6105 ioctl c0086438 20000180 returned -22 capability: warning: `syz-executor1' uses 32-bit capabilities (legacy support in use) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket mmap: syz-executor3 (6299) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. IPVS: Creating netns size=2552 id=10 TCP: request_sock_TCP: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. IPv6: NLM_F_CREATE should be specified when creating new route netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8259 sclass=netlink_route_socket binder: BINDER_SET_CONTEXT_MGR already set binder: 6718:6729 ioctl 40046207 0 returned -16 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8259 sclass=netlink_route_socket binder_alloc: 6718: binder_alloc_buf, no vma binder: 6718:6750 transaction failed 29189/-3, size 0-0 line 3134 binder: release 6718:6729 transaction 7 out, still active binder: send failed reply for transaction 7, target dead binder: 6765:6772 BC_INCREFS_DONE u00000000204edf8a node 11 cookie mismatch 0000000000000000 != 0000000000000001 binder: BINDER_SET_CONTEXT_MGR already set binder: 6765:6789 ioctl 40046207 0 returned -16 binder_alloc: 6765: binder_alloc_buf, no vma binder: 6765:6772 transaction failed 29189/-3, size 40-8 line 3134 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 6765:6772 transaction 10 out, still active binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 10, target dead TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=13244 sclass=netlink_route_socket binder: BINDER_SET_CONTEXT_MGR already set binder: 7012:7029 ERROR: BC_REGISTER_LOOPER called without request binder: 7012:7029 unknown command 1078518545 binder: 7012:7029 ioctl c0306201 20007000 returned -22 binder_alloc: binder_alloc_mmap_handler: 7012 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7012:7029 ioctl 40046207 0 returned -16 binder: 7012:7032 ERROR: BC_REGISTER_LOOPER called without request binder: 7012:7029 unknown command 1078518545 binder: 7012:7029 ioctl c0306201 20007000 returned -22 IPVS: length: 154 != 24 binder: 7020:7022 ioctl 40046207 0 returned -16 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/7062 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 7062 Comm: syz-executor0 Not tainted 4.4.124-g49632c6 #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 c0b7629723c99ddb ffff8801d34ff648 ffffffff81d0663d 0000000000000000 ffffffff839ff0a0 ffffffff83d0cf20 ffff8801cbe3c800 0000000000000003 ffff8801d34ff688 ffffffff81d66594 ffff8801d34ff6a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x980 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fbb/0x3490 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] C_SYSC_sendmsg net/compat.c:720 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/7088 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 7088 Comm: syz-executor0 Not tainted 4.4.124-g49632c6 #20 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 e7e8b81cd2bb9cd6 ffff8801d3d1f648 ffffffff81d0663d 0000000000000000 ffffffff839ff0a0 ffffffff83d0cf20 ffff8801caa41800 0000000000000003 ffff8801d3d1f688 ffffffff81d66594 ffff8801d3d1f6a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x980 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2058 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2084 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fbb/0x3490 net/key/af_key.c:1506 [] pfkey_process+0x68b/0x750 net/key/af_key.c:2834 [] pfkey_sendmsg+0x3a9/0x760 net/key/af_key.c:3678 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] C_SYSC_sendmsg net/compat.c:720 [inline] [] compat_SyS_sendmsg+0x2a/0x40 net/compat.c:718 [] do_syscall_32_irqs_on arch/x86/entry/common.c:392 [inline] [] do_fast_syscall_32+0x321/0x8a0 arch/x86/entry/common.c:459 [] sysenter_flags_fixed+0xd/0x17 binder: 7188:7194 ioctl c0306201 2000a000 returned -14 binder: BINDER_SET_CONTEXT_MGR already set binder: 7188:7205 ioctl 40046207 0 returned -16 binder: 7188:7194 ioctl c0306201 2000a000 returned -14 binder_alloc: 7188: binder_alloc_buf, no vma binder: 7188:7209 transaction failed 29189/-3, size 56-8 line 3134 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 7188:7194 transaction 20 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 20, target dead binder: 7245:7253 ioctl c0306201 2000a000 returned -14 binder_alloc: binder_alloc_mmap_handler: 7245 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7245:7263 ioctl 40046207 0 returned -16 binder: 7245:7269 ioctl c0306201 2000a000 returned -14 binder: 7245:7273 ioctl c0306201 20007fd0 returned -14 binder: release 7245:7253 transaction 25 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 25, target dead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=201 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=201 sclass=netlink_route_socket binder: 7407:7411 ioctl 4b3b 20000040 returned -22 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. binder_alloc: binder_alloc_mmap_handler: 7407 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7407:7415 ioctl 40046207 0 returned -16 binder: 7407:7416 ioctl 4b3b 20000040 returned -22 binder_alloc: 7407: binder_alloc_buf, no vma binder: 7407:7418 transaction failed 29189/-3, size 0-0 line 3134 binder: 7429:7432 ioctl 4b3b 20000040 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 7430:7437 ioctl 40046207 0 returned -16 binder: 7430:7437 BC_INCREFS_DONE u00000000204edf8a node 32 cookie mismatch 0000000020000001 != 0000000000000001 binder: BINDER_SET_CONTEXT_MGR already set binder: 7430:7437 ioctl 40046207 0 returned -16 binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 28, process died. binder: undelivered TRANSACTION_COMPLETE binder: release 7430:7437 transaction 34 out, still active binder: release 7430:7437 transaction 31 out, still active binder: BINDER_SET_CONTEXT_MGR already set binder: 7426:7441 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 7426:7434 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 7426:7434 unknown command 0 binder: 7426:7434 ioctl c0306201 200003c0 returned -22 binder: 7429:7455 transaction failed 29189/0, size 0-0 line 2951 binder: send failed reply for transaction 31, target dead binder: 7426:7447 ioctl 40046207 0 returned -16 binder: release 7429:7444 transaction 37 out, still active