syz-executor7: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 8489 Comm: syz-executor7 Not tainted 4.9.89-gebc2789 #63 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/8505 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b3c478e0 ffffffff81d96069 1ffff10036788f1f ffff8801b43a0000 ffffffff83ab9720 0000000000000001 0000000000400000 ffff8801b3c479f0 ffffffff81452332 024000c2b3c47930 0000000041b58ab3 ffffffff8419640d Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] sel_write_load+0x130/0xfd0 security/selinux/selinuxfs.c:514 [] __vfs_write+0x103/0x680 fs/read_write.c:507 [] vfs_write+0x189/0x530 fs/read_write.c:557 [] SYSC_write fs/read_write.c:604 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:596 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb CPU: 0 PID: 8505 Comm: syz-executor6 Not tainted 4.9.89-gebc2789 #63 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Mem-Info: active_anon:63054 inactive_anon:43 isolated_anon:0 active_file:3552 inactive_file:8629 isolated_file:0 unevictable:0 dirty:137 writeback:0 unstable:0 slab_reclaimable:6880 slab_unreclaimable:58955 mapped:24356 shmem:50 pagetables:675 bounce:0 free:1464718 free_pcp:474 free_cma:0 Node 0 active_anon:252216kB inactive_anon:172kB active_file:14208kB inactive_file:34516kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:97424kB dirty:548kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 104448kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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 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 Normal free:2863020kB min:36824kB low:46028kB high:55232kB active_anon:252216kB inactive_anon:172kB active_file:14208kB inactive_file:34516kB unevictable:0kB writepending:548kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27520kB slab_unreclaimable:235820kB kernel_stack:5984kB pagetables:2700kB bounce:0kB free_pcp:1124kB local_pcp:388kB free_cma:0kB DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12230 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 320510 pages reserved syz-executor7: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) ffff8801bfea7668 ffffffff81d96069 0000000000000000 ffffffff83c19200 ffffffff83f46160 ffff8801b39e6000 0000000000000003 ffff8801bfea76a8 ffffffff81dfd664 ffff8801bfea76c0 ffffffff83f46160 dffffc0000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 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+0x188/0x930 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_init_state+0x1a/0x20 net/xfrm/xfrm_state.c:2122 [] pfkey_msg2xfrm_state net/key/af_key.c:1289 [inline] [] pfkey_add+0x1fb9/0x3470 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:635 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:645 [] ___sys_sendmsg+0x6d1/0x7e0 net/socket.c:1969 [] __sys_sendmsg+0xd6/0x190 net/socket.c:2003 [] SYSC_sendmsg net/socket.c:2014 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2010 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb CPU: 1 PID: 8489 Comm: syz-executor7 Not tainted 4.9.89-gebc2789 #63 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801b3c478e0 ffffffff81d96069 1ffff10036788f1f ffff8801b43a0000 ffffffff83ab9720 0000000000000001 0000000000400000 ffff8801b3c479f0 ffffffff81452332 024000c2b3c47930 0000000041b58ab3 ffffffff8419640d Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3056 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] sel_write_load+0x130/0xfd0 security/selinux/selinuxfs.c:514 [] __vfs_write+0x103/0x680 fs/read_write.c:507 [] vfs_write+0x189/0x530 fs/read_write.c:557 [] SYSC_write fs/read_write.c:604 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:596 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Mem-Info: active_anon:56820 inactive_anon:43 isolated_anon:0 active_file:3552 inactive_file:8632 isolated_file:0 unevictable:0 dirty:146 writeback:0 unstable:0 slab_reclaimable:6901 slab_unreclaimable:59047 mapped:24325 shmem:50 pagetables:634 bounce:0 free:1470914 free_pcp:547 free_cma:0 Node 0 active_anon:227280kB inactive_anon:172kB active_file:14208kB inactive_file:34528kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:97300kB dirty:596kB writeback:0kB shmem:200kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 83968kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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 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 Normal free:2888268kB min:36824kB low:46028kB high:55232kB active_anon:227280kB inactive_anon:172kB active_file:14208kB inactive_file:34528kB unevictable:0kB writepending:604kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:27508kB slab_unreclaimable:235844kB kernel_stack:5632kB pagetables:2536kB bounce:0kB free_pcp:1416kB local_pcp:704kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB 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: 333*4kB (UME) 69*8kB (UME) 43*16kB (UME) 104*32kB (UM) 166*64kB (UM) 38*128kB (UM) 23*256kB (UME) 8*512kB (UME) 4*1024kB (UM) 9*2048kB (UM) 692*4096kB (M) = 2888332kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12245 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 320510 pages reserved SELinux: unknown mount option audit: type=1400 audit(1521862526.418:37): avc: denied { setgid } for pid=8661 comm="syz-executor0" capability=6 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1036 sclass=netlink_route_socket pig=8704 comm=syz-executor0 netlink: 92 bytes leftover after parsing attributes in process `syz-executor0'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1036 sclass=netlink_route_socket pig=8704 comm=syz-executor0 netlink: 92 bytes leftover after parsing attributes in process `syz-executor0'. audit: type=1400 audit(1521862526.828:38): avc: denied { validate_trans } for pid=8727 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=security permissive=1 binder: 8815:8819 BC_FREE_BUFFER u0000000000000000 no match binder: 8815:8819 Acquire 1 refcount change on invalid ref 1 ret -22 binder: 8815:8819 got reply transaction with no transaction stack binder: 8815:8819 transaction failed 29201/-71, size 0-0 line 2926 binder: 8815:8819 ioctl c0306201 20000240 returned -14 binder: 8815:8836 got reply transaction with bad transaction stack, transaction 38 has target 8815:0 binder: 8815:8836 transaction failed 29201/-71, size 0-0 line 2941 binder: 8815:8836 ioctl c0306201 20000240 returned -14 binder: BINDER_SET_CONTEXT_MGR already set binder: 8815:8849 ioctl 40046207 0 returned -16 binder_alloc: binder_alloc_mmap_handler: 8815 20000000-20002000 already mapped failed -16 binder: undelivered TRANSACTION_ERROR: 29201 binder: release 8815:8836 transaction 38 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 38, target dead tc_dump_action: action bad kind tc_dump_action: action bad kind netlink: 24 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1521862528.728:39): avc: denied { connect } for pid=9132 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:semanage_trans_lock_t:s0 tclass=tcp_socket permissive=1 audit: type=1400 audit(1521862528.758:40): avc: denied { name_connect } for pid=9132 comm="syz-executor6" dest=20001 scontext=system_u:object_r:semanage_trans_lock_t:s0 tcontext=system_u:object_r:port_t:s0 tclass=tcp_socket permissive=1 binder: BINDER_SET_CONTEXT_MGR already set binder: 9190:9198 ioctl 40046207 0 returned -16 binder: 9190:9198 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 9190:9196 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 audit: type=1400 audit(1521862529.198:42): avc: denied { ioctl } for pid=9264 comm="syz-executor0" path="socket:[22973]" dev="sockfs" ino=22973 ioctlcmd=0x5411 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 audit: type=1400 audit(1521862529.198:41): avc: denied { relabelfrom } for pid=9261 comm="syz-executor1" name="" dev="pipefs" ino=22972 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=fifo_file permissive=1 audit: type=1401 audit(1521862529.198:43): op=setxattr invalid_context="trusted.syz" audit: type=1401 audit(1521862529.198:44): op=setxattr invalid_context="trusted.syz" IPv4: Oversized IP packet from 127.0.0.1 audit: type=1400 audit(1521862529.978:45): avc: denied { net_broadcast } for pid=9402 comm="syz-executor2" capability=11 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 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1400 audit(1521862530.458:46): avc: denied { setattr } for pid=9541 comm="syz-executor0" name="oom_score" dev="proc" ino=23242 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=file permissive=1 audit: type=1400 audit(1521862530.498:47): avc: denied { fsetid } for pid=9576 comm="syz-executor7" 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 binder: 9588:9592 ERROR: BC_REGISTER_LOOPER called without request binder: 9588:9592 transaction failed 29189/-22, size 88-40 line 3010 binder: 9588:9592 ioctl 5416 200000c0 returned -22 binder: 9588:9592 ioctl 40485404 20000300 returned -22 binder: 9588:9605 ioctl c018620b 200001c0 returned -14 binder: 9588:9592 ioctl c0306201 200002c0 returned -14 binder_alloc: binder_alloc_mmap_handler: 9588 20000000-20002000 already mapped failed -16 binder: 9588:9605 ioctl 5416 200000c0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 9588:9606 ioctl 40046207 0 returned -16 binder: 9588:9605 ioctl c0306201 20007000 returned -14 binder: 9588:9606 ioctl 40485404 20000300 returned -22 audit: type=1400 audit(1521862530.648:48): avc: denied { ioctl } for pid=9610 comm="syz-executor5" path="socket:[24021]" dev="sockfs" ino=24021 ioctlcmd=0x8946 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(1521862530.688:49): avc: denied { connect } for pid=9610 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_generic_socket permissive=1 binder: undelivered TRANSACTION_ERROR: 29189 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1521862531.388:50): avc: denied { dyntransition } for pid=9831 comm="syz-executor1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=process permissive=1 binder: 9933:9934 unknown command -786836528 binder: 9933:9934 ioctl c0306201 20a20000 returned -22 binder: 9933:9934 unknown command -786836528 binder: 9933:9934 ioctl c0306201 20a20000 returned -22 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 device syz_tun entered promiscuous mode IPv4: Oversized IP packet from 127.0.0.1 device syz_tun left promiscuous mode audit: type=1400 audit(1521862532.078:51): avc: denied { create } for pid=10052 comm="syz-executor1" 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(1521862532.108:52): avc: denied { write } for pid=10052 comm="syz-executor1" 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 binder: 10106:10117 unknown command 1867014929 binder: 10106:10117 ioctl c0306201 20007000 returned -22 binder: 10106:10117 ioctl c0306201 20004000 returned -14 binder: 10106:10117 ioctl 400454cc 0 returned -22 binder: 10106:10147 unknown command 1867014929 binder: 10106:10147 ioctl c0306201 20007000 returned -22 binder: 10106:10117 ioctl c0306201 20004000 returned -14 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=29 sclass=netlink_tcpdiag_socket pig=10156 comm=syz-executor0 binder: 10106:10117 ioctl 400454cc 0 returned -22 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=29 sclass=netlink_tcpdiag_socket pig=10158 comm=syz-executor0 audit: type=1401 audit(1521862532.848:53): op=fscreate invalid_context=2E2F66696C65300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000AF0B00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 audit: type=1401 audit(1521862532.958:54): op=fscreate invalid_context=2E2F66696C65300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000AF0B00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000