vmalloc: allocation failure: 0 bytes syz-executor0: page allocation failure: order:0, mode:0x24000c2 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/7497 CPU: 0 PID: 7503 Comm: syz-executor0 Not tainted 4.4.124-g851fb4d #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 bc0d3ec2bb676fac ffff8800bb2178c0 ffffffff81d0663d 1ffff10017642f1b ffff8800aa619800 00000000024000c2 0000000000000000 0000000000000001 ffff8800bb2179d0 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:59509 inactive_anon:44 isolated_anon:0 active_file:4348 inactive_file:8469 isolated_file:0 unevictable:0 dirty:116 writeback:0 unstable:0 slab_reclaimable:6352 slab_unreclaimable:60711 mapped:23855 shmem:51 pagetables:693 bounce:0 free:1466116 free_pcp:380 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:2661272kB min:30608kB low:38260kB high:45912kB active_anon:104700kB inactive_anon:108kB active_file:8336kB inactive_file:15964kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982712kB mlocked:0kB dirty:236kB writeback:0kB mapped:45380kB shmem:112kB slab_reclaimable:11428kB slab_unreclaimable:110472kB kernel_stack:2176kB pagetables:1172kB unstable:0kB bounce:0kB free_pcp:904kB local_pcp:308kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3187288kB min:36808kB low:46008kB high:55212kB active_anon:133336kB inactive_anon:68kB active_file:9056kB inactive_file:17912kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:228kB writeback:0kB mapped:50040kB shmem:92kB slab_reclaimable:13980kB slab_unreclaimable:132372kB kernel_stack:3712kB pagetables:1600kB unstable:0kB bounce:0kB free_pcp:616kB local_pcp:120kB 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: 918*4kB (UME) 224*8kB (UME) 134*16kB (UME) 157*32kB (UME) 35*64kB (UME) 21*128kB (UME) 17*256kB (ME) 9*512kB (ME) 7*1024kB (ME) 1*2048kB (E) 641*4096kB (M) = 2661272kB Normal: 864*4kB (UME) 231*8kB (UME) 130*16kB (UME) 182*32kB (UME) 53*64kB (UME) 25*128kB (UM) 23*256kB (ME) 13*512kB (UM) 15*1024kB (UME) 1*2048kB (U) 766*4096kB (M) = 3187288kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12867 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 vmalloc: allocation failure: 0 bytes syz-executor0: page allocation failure: order:0, mode:0x24000c2 CPU: 0 PID: 7512 Comm: syz-executor0 Not tainted 4.4.124-g851fb4d #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 ee53326047afd497 ffff8800bb9d78c0 ffffffff81d0663d 1ffff1001773af1b ffff8800b61ce000 00000000024000c2 0000000000000000 0000000000000001 ffff8800bb9d79d0 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:56412 inactive_anon:44 isolated_anon:0 active_file:4348 inactive_file:8469 isolated_file:0 unevictable:0 dirty:116 writeback:0 unstable:0 slab_reclaimable:6352 slab_unreclaimable:60711 mapped:23818 shmem:51 pagetables:656 bounce:0 free:1469071 free_pcp:545 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:2661144kB min:30608kB low:38260kB high:45912kB active_anon:104700kB inactive_anon:108kB active_file:8336kB inactive_file:15964kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:3129292kB managed:2982712kB mlocked:0kB dirty:236kB writeback:0kB mapped:45232kB shmem:112kB slab_reclaimable:11428kB slab_unreclaimable:110472kB kernel_stack:2176kB pagetables:1172kB unstable:0kB bounce:0kB free_pcp:952kB local_pcp:356kB free_cma:0kB writeback_tmp:0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 3500 3500 Normal free:3199236kB min:36808kB low:46008kB high:55212kB active_anon:120948kB inactive_anon:68kB active_file:9056kB inactive_file:17912kB unevictable:0kB isolated(anon):0kB isolated(file):0kB present:4718592kB managed:3584660kB mlocked:0kB dirty:228kB writeback:0kB mapped:50040kB shmem:92kB slab_reclaimable:13980kB slab_unreclaimable:132372kB kernel_stack:3712kB pagetables:1452kB unstable:0kB bounce:0kB free_pcp:1228kB local_pcp:732kB 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: 918*4kB (UME) 224*8kB (UME) 134*16kB (UME) 152*32kB (UME) 35*64kB (UME) 21*128kB (UME) 17*256kB (ME) 9*512kB (ME) 7*1024kB (ME) 1*2048kB (E) 641*4096kB (M) = 2661112kB Normal: 930*4kB (UME) 236*8kB (UME) 131*16kB (UME) 183*32kB (UME) 55*64kB (UME) 27*128kB (UM) 25*256kB (ME) 14*512kB (UM) 15*1024kB (UME) 2*2048kB (UM) 768*4096kB (M) = 3199288kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12867 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: 1 PID: 7497 Comm: syz-executor5 Not tainted 4.4.124-g851fb4d #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 a41de3106ded005a ffff8801d27a7648 ffffffff81d0663d 0000000000000001 ffffffff839ff0a0 ffffffff83d0cf20 ffff8801ca169800 0000000000000003 ffff8801d27a7688 ffffffff81d66594 ffff8801d27a76a0 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: 7548:7553 got reply transaction with no transaction stack binder: 7548:7553 transaction failed 29201/-71, size 0-0 line 2927 binder_alloc: binder_alloc_mmap_handler: 7548 20000000-20002000 already mapped failed -16 binder: 7548:7567 got reply transaction with no transaction stack binder: 7548:7567 transaction failed 29201/-71, size 0-0 line 2927 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/7779 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 7779 Comm: syz-executor5 Not tainted 4.4.124-g851fb4d #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 f4c67ad5718f17ce ffff8801d874f648 ffffffff81d0663d 0000000000000000 ffffffff839ff0a0 ffffffff83d0cf20 ffff8801d7d26000 0000000000000003 ffff8801d874f688 ffffffff81d66594 ffff8801d874f6a0 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-executor5/7779 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 7779 Comm: syz-executor5 Not tainted 4.4.124-g851fb4d #18 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 f4c67ad5718f17ce ffff8801d874f648 ffffffff81d0663d 0000000000000000 ffffffff839ff0a0 ffffffff83d0cf20 ffff8801d7d26000 0000000000000003 ffff8801d874f688 ffffffff81d66594 ffff8801d874f6a0 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: 7827:7829 got transaction to invalid handle binder: 7827:7829 transaction failed 29201/-22, size 0-0 line 3011 binder: 7827:7836 got reply transaction with no transaction stack binder: 7827:7836 transaction failed 29201/-71, size 0-0 line 2927 binder: BINDER_SET_CONTEXT_MGR already set binder: 7827:7836 ioctl 40046207 0 returned -16 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 IPVS: Creating netns size=2552 id=10 audit: type=1400 audit(1521991803.631:24): avc: denied { create } for pid=8048 comm="syz-executor4" 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 audit: type=1400 audit(1521991803.691:25): avc: denied { write } for pid=8048 comm="syz-executor4" path="socket:[19811]" dev="sockfs" ino=19811 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=55864 sclass=netlink_route_socket binder: 8373:8378 ioctl 40046205 0 returned -22 binder: 8373:8385 ioctl 40046205 0 returned -22 sd 0:0:1:0: [sg0] tag#206 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#206 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#206 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#206 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#206 CDB[20]: 00 00 00 sd 0:0:1:0: [sg0] tag#206 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#206 CDB: Test Unit Ready sd 0:0:1:0: [sg0] tag#206 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#206 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 sd 0:0:1:0: [sg0] tag#206 CDB[20]: 00 00 00 SELinux: policydb string SE Linux does not match my string SE Linux audit: type=1400 audit(1521991806.081:26): avc: denied { create } for pid=8572 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:systemd_systemctl_exec_t:s0 tclass=tcp_socket permissive=1 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1326 audit(1521991806.301:27): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8614 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=40000003 syscall=240 compat=1 ip=0xf7762ba9 code=0x0 audit: type=1326 audit(1521991806.381:28): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8614 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=40000003 syscall=240 compat=1 ip=0xf7762ba9 code=0x0 audit: type=1400 audit(1521991806.531:29): avc: denied { setopt } for pid=8668 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 audit: type=1400 audit(1521991806.571:30): avc: denied { getopt } for pid=8668 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 device bridge0 entered promiscuous mode 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=11263 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=11263 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=6507 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=6507 sclass=netlink_route_socket SELinux: unrecognized netlink message: protocol=0 nlmsg_type=6507 sclass=netlink_route_socket keychord: unsupported version 8 sock: process `syz-executor6' is using obsolete setsockopt SO_BSDCOMPAT