CPU: 1 PID: 5657 Comm: syz-executor7 Not tainted 4.9.89-g960923f #61 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801aedd78e0 ffffffff81d96069 1ffff10035dbaf1f ffff8801aed64800 ffffffff83ab9720 0000000000000001 0000000000400000 ffff8801aedd79f0 ffffffff81452332 024000c2aedd7930 0000000041b58ab3[ 40.377523] check_preemption_disabled: 3 callbacks suppressed BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor1/5684 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 ffffffff8419640dCall 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: 5684 Comm: syz-executor1 Not tainted 4.9.89-g960923f #61 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801aeeff430 ffffffff81d96069 0000000000000000 ffffffff83c19200 ffffffff83f46160 ffff8801aeed3000 0000000000000003 ffff8801aeeff470 ffffffff81dfd664 ffff8801aeeff488 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 [] ipcomp4_init_state+0xb0/0x7d0 net/ipv4/ipcomp.c:137 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2096 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:639 [] xfrm_user_rcv_msg+0x40d/0x6a0 net/xfrm/xfrm_user.c:2549 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2353 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2557 [] netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] [] netlink_unicast+0x511/0x750 net/netlink/af_netlink.c:1301 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] 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 Mem-Info: active_anon:55815 inactive_anon:44 isolated_anon:0 active_file:3492 inactive_file:8572 isolated_file:0 unevictable:0 dirty:13 writeback:0 unstable:0 slab_reclaimable:5321 slab_unreclaimable:60036 mapped:24247 shmem:51 pagetables:683 bounce:0 free:1473119 free_pcp:403 free_cma:0 audit: type=1400 audit(1521731912.560:16): avc: denied { set_context_mgr } for pid=5693 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=binder permissive=1 binder: 5693:5694 tried to acquire reference to desc 0, got 1 instead binder: 5693:5694 BC_REQUEST_DEATH_NOTIFICATION invalid ref 2 binder: BINDER_SET_CONTEXT_MGR already set binder: 5693:5694 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 5693:5694 ioctl 40046207 0 returned -16 Node 0 active_anon:216976kB inactive_anon:176kB active_file:13968kB inactive_file:34288kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96928kB dirty:136kB writeback:0kB shmem:204kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 88064kB 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:724kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 Normal free:2903172kB min:36824kB low:46028kB high:55232kB active_anon:216976kB inactive_anon:176kB active_file:13968kB inactive_file:34288kB unevictable:0kB writepending:148kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:21364kB slab_unreclaimable:240064kB kernel_stack:5440kB pagetables:2588kB bounce:0kB free_pcp:1320kB local_pcp:700kB 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: 987*4kB (UME) 191*8kB (UME) 267*16kB (UM) 18*32kB (UM) 16*64kB (UE) 5*128kB (UME) 4*256kB (E) 5*512kB (UME) 2*1024kB (ME) 1*2048kB (E) 704*4096kB (M) = 2903252kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12117 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 capability: warning: `syz-executor3' uses 32-bit capabilities (legacy support in use) syz-executor4 uses obsolete (PF_INET,SOCK_PACKET) tc_ctl_action: received NO action attribs tc_ctl_action: received NO action attribs TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. audit: type=1400 audit(1521731913.410:17): avc: denied { write } for pid=5926 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_generic_socket permissive=1 audit: type=1400 audit(1521731913.450:18): avc: denied { read } for pid=5926 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_generic_socket permissive=1 audit: type=1400 audit(1521731913.710:19): avc: denied { write } for pid=6012 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_netfilter_socket permissive=1 mmap: syz-executor1 (6014) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. IPVS: Creating netns size=2536 id=10 audit: type=1400 audit(1521731917.640:20): avc: denied { net_admin } for pid=5453 comm="syz-executor6" capability=12 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 audit: type=1400 audit(1521731917.640:21): avc: denied { dac_override } for pid=6225 comm="syz-executor1" capability=1 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 audit: type=1400 audit(1521731917.640:22): avc: denied { sys_admin } for pid=6225 comm="syz-executor1" capability=21 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 audit: type=1400 audit(1521731917.670:23): avc: denied { net_raw } for pid=6223 comm="syz-executor5" capability=13 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 audit: type=1400 audit(1521731917.670:24): avc: denied { net_admin } for pid=3862 comm="syz-executor7" capability=12 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 audit: type=1400 audit(1521731917.770:25): avc: denied { sys_admin } for pid=3860 comm="syz-executor1" capability=21 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 audit: type=1400 audit(1521731917.780:26): avc: denied { dac_override } for pid=6242 comm="syz-executor6" capability=1 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 audit: type=1400 audit(1521731918.190:27): avc: denied { set_context_mgr } for pid=6255 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=binder permissive=1 binder: 6255:6259 unknown command 0 binder: 6255:6259 ioctl c0306201 20008000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 6255:6272 ioctl 40046207 0 returned -16 binder: 6255:6272 unknown command 0 binder: 6255:6272 ioctl c0306201 20008000 returned -22 audit: type=1400 audit(1521731918.290:28): avc: denied { net_raw } for pid=6280 comm="syz-executor7" capability=13 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 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor5/6289 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 6289 Comm: syz-executor5 Not tainted 4.9.89-g960923f #61 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d3747668 ffffffff81d96069 0000000000000001 ffffffff83c19200 ffffffff83f46160 ffff8801d0fd6000 0000000000000003 ffff8801d37476a8 ffffffff81dfd664 ffff8801d37476c0 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 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. binder: 6319:6323 tried to acquire reference to desc 0, got 1 instead binder: BINDER_SET_CONTEXT_MGR already set binder: 6319:6323 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 6319:6341 ioctl 40046207 0 returned -16 TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters.