BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/10662 syz-executor1: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 10666 Comm: syz-executor1 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d9287880 ffffffff81d943a9 1ffff1003b250f13 ffff8801d9a38000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801d9287990 ffffffff81451b82 024000c200000003 0000000041b58ab3 ffffffff84195325 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 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2737 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:60578 inactive_anon:40 isolated_anon:0 active_file:3551 inactive_file:8360 isolated_file:0 unevictable:0 dirty:53 writeback:0 unstable:0 slab_reclaimable:6521 slab_unreclaimable:59626 mapped:24055 shmem:177 pagetables:706 bounce:0 free:1468885 free_pcp:249 free_cma:0 Node 0 active_anon:242312kB inactive_anon:160kB active_file:14204kB inactive_file:33440kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96220kB dirty:212kB writeback:0kB shmem:708kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB 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:2980000kB min:30596kB low:38244kB high:45892kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2980760kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:760kB local_pcp:48kB free_cma:0kB Normal free:2879632kB min:36824kB low:46028kB high:55232kB active_anon:242312kB inactive_anon:160kB active_file:14204kB inactive_file:33440kB unevictable:0kB writepending:212kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26084kB slab_unreclaimable:238504kB kernel_stack:5888kB pagetables:2824kB bounce:0kB free_pcp:236kB local_pcp:164kB 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 12087 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 320509 pages reserved syz-executor1: vmalloc: allocation failure: 15157949456 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 10668 Comm: syz-executor1 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c336f880 ffffffff81d943a9 1ffff1003866df13 ffff8801c323b000 ffffffff83ab8ea0 0000000000000001 0000000000400000 ffff8801c336f990 ffffffff81451b82 024000c200000003 0000000041b58ab3 ffffffff84195325 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 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x2da/0x1cd0 net/ipv4/netfilter/arp_tables.c:549 [] do_replace net/ipv4/netfilter/arp_tables.c:986 [inline] [] do_arpt_set_ctl+0x2b7/0x650 net/ipv4/netfilter/arp_tables.c:1465 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1248 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2737 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1772 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1751 [] entry_SYSCALL_64_fastpath+0x29/0xe8 Mem-Info: active_anon:63685 inactive_anon:40 isolated_anon:0 active_file:3551 inactive_file:8360 isolated_file:0 unevictable:0 dirty:53 writeback:0 unstable:0 slab_reclaimable:6521 slab_unreclaimable:59626 mapped:24055 shmem:177 pagetables:743 bounce:0 free:1465701 free_pcp:247 free_cma:0 Node 0 active_anon:254740kB inactive_anon:160kB active_file:14204kB inactive_file:33440kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:96220kB dirty:212kB writeback:0kB shmem:708kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 92160kB 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:2980000kB min:30596kB low:38244kB high:45892kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2980760kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:760kB local_pcp:48kB free_cma:0kB Normal free:2866896kB min:36824kB low:46028kB high:55232kB active_anon:254740kB inactive_anon:160kB active_file:14204kB inactive_file:33440kB unevictable:0kB writepending:212kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:26084kB slab_unreclaimable:238504kB kernel_stack:6048kB pagetables:2972kB bounce:0kB free_pcp:228kB local_pcp:156kB 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 12087 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 320509 pages reserved caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 10662 Comm: syz-executor0 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c43cf6d8 ffffffff81d943a9 0000000000000001 ffffffff83c18800 ffffffff83f45480 ffff8801c2d04800 0000000000000003 ffff8801c43cf718 ffffffff81dfb974 ffff8801c43cf730 ffffffff83f45480 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_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 [] entry_SYSCALL_64_fastpath+0x29/0xe8 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/10681 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 10681 Comm: syz-executor0 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d8c676d8 ffffffff81d943a9 0000000000000000 ffffffff83c18800 ffffffff83f45480 ffff8801d96be000 0000000000000003 ffff8801d8c67718 ffffffff81dfb974 ffff8801d8c67730 ffffffff83f45480 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_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 [] entry_SYSCALL_64_fastpath+0x29/0xe8 audit: type=1400 audit(1517120825.500:48): avc: denied { setattr } for pid=10723 comm="syz-executor1" name="net" dev="proc" ino=20362 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor2'. binder: 10776:10785 ioctl c0306201 20007fd0 returned -14 binder: 10776:10791 ioctl c0306201 20004000 returned -14 binder: 10776:10785 ioctl c0306201 20007fd0 returned -14 audit: type=1400 audit(1517120827.430:49): avc: denied { set_context_mgr } for pid=10965 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=binder permissive=1 audit: type=1400 audit(1517120827.430:50): avc: denied { net_admin } for pid=3395 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(1517120827.430:51): avc: denied { dac_override } for pid=10975 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 binder: 10965:10980 DecRefs 0 refcount change on invalid ref 1 ret -22 binder: 10965:10980 got reply transaction with no transaction stack binder: 10965:10980 transaction failed 29201/-71, size 48-40 line 2920 binder_alloc: binder_alloc_mmap_handler: 10965 20dbd000-20dbe000 already mapped failed -16 binder: 10965:10997 BC_FREE_BUFFER uffffffffffffffff no match binder_alloc: binder_alloc_mmap_handler: 10965 20dbd000-20dbe000 already mapped failed -16 binder: 10965:11006 DecRefs 0 refcount change on invalid ref 1 ret -22 binder: 10965:11006 got reply transaction with no transaction stack binder: 10965:11006 transaction failed 29201/-71, size 48-40 line 2920 binder: 10965:11007 BC_FREE_BUFFER uffffffffffffffff no match binder: BINDER_SET_CONTEXT_MGR already set audit: type=1400 audit(1517120827.640:52): avc: denied { call } for pid=10965 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=binder permissive=1 binder_alloc: 10965: binder_alloc_buf, no vma binder: 10965:10980 transaction failed 29189/-3, size 0-0 line 3127 binder: 10965:10997 ioctl 40046207 0 returned -16 binder_alloc: 10965: binder_alloc_buf, no vma binder: 10965:11006 transaction failed 29189/-3, size 0-0 line 3127 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor0/11019 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 11019 Comm: syz-executor0 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801c8737490 ffffffff81d943a9 0000000000000000 ffffffff83c18800 ffffffff83f45480 ffff8801d9a39800 0000000000000003[ 59.324809] audit: type=1400 audit(1517120827.740:53): avc: denied { sys_admin } for pid=11013 comm="syz-executor7" 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 ffff8801c87374d0 ffffffff81dfb974 ffff8801c87374e8 ffffffff83f45480 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+0x413/0x6a0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2351 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] 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 [] entry_SYSCALL_64_fastpath+0x29/0xe8 IPVS: Creating netns size=2536 id=11 audit_printk_skb: 4 callbacks suppressed audit: type=1400 audit(1517120831.050:55): avc: denied { sys_chroot } for pid=11101 comm="syz-executor7" capability=18 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(1517120831.210:56): avc: denied { net_raw } for pid=11294 comm="syz-executor4" 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 binder: 11334:11343 BC_CLEAR_DEATH_NOTIFICATION invalid ref 1 binder: BINDER_SET_CONTEXT_MGR already set binder: 11334:11356 ioctl 40046207 0 returned -16 netlink: 16 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1517120831.720:57): avc: denied { setuid } for pid=11441 comm="syz-executor5" capability=7 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: release 11528:11533 transaction 73 out, still active binder: undelivered TRANSACTION_COMPLETE binder: 11528:11533 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: binder_alloc_mmap_handler: 11528 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 11528: binder_alloc_buf, no vma binder: 11528:11544 transaction failed 29189/-3, size 0-0 line 3127 binder: 11528:11533 ioctl 40046207 0 returned -16 binder: 11528:11560 ERROR: BC_REGISTER_LOOPER called without request binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 73, target dead FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 11563 Comm: syz-executor4 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d49b7920 ffffffff81d943a9 ffff8801d49b7c00 0000000000000000 ffff8801c868d310 ffff8801d49b7af0 ffff8801c868d200 FAULT_FLAG_ALLOW_RETRY missing 30 ffff8801d49b7b18 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] entry_SYSCALL_64_fastpath+0x29/0xe8 CPU: 0 PID: 11554 Comm: syz-executor4 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d645f830 ffffffff81d943a9 ffff8801d645fb10 0000000000000000 ffff8801c868d310 ffff8801d645fa00 ffff8801c868d200 ffff8801d645fa28 ffffffff81661d4a 0000000000002a2e ffff8801c917e8f0 ffff8801c917e8a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] SYSC_mq_timedreceive ipc/mqueue.c:1092 [inline] [] SyS_mq_timedreceive+0xcd/0xdb0 ipc/mqueue.c:1077 [] entry_SYSCALL_64_fastpath+0x29/0xe8 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 11563 Comm: syz-executor4 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d49b7920 ffffffff81d943a9 ffff8801d49b7c00 0000000000000000 ffff8801ca8b7790 ffff8801d49b7af0 ffff8801ca8b7680 ffff8801d49b7b18 ffffffff81661d4a 0000000000002a2e ffff8801d1fe20f0 ffff8801d1fe20a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] entry_SYSCALL_64_fastpath+0x29/0xe8 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 11554 Comm: syz-executor4 Not tainted 4.9.78-g68d447c #23 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d645f830 ffffffff81d943a9 ffff8801d645fb10 0000000000000000 ffff8801ca8b7790 ffff8801d645fa00 ffff8801ca8b7680 ffff8801d645fa28 ffffffff81661d4a 0000000000002a2e ffff8801c917e8f0 ffff8801c917e8a0 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa3a/0x1310 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5c2/0xd40 arch/x86/mm/fault.c:1407 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1470 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1055 [] SYSC_mq_timedreceive ipc/mqueue.c:1092 [inline] [] SyS_mq_timedreceive+0xcd/0xdb0 ipc/mqueue.c:1077 [] entry_SYSCALL_64_fastpath+0x29/0xe8 audit: type=1400 audit(1517120832.950:58): avc: denied { create } for pid=11653 comm="syz-executor0" name="pfkey" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:insmod_t:s0 tclass=file permissive=1 device eql entered promiscuous mode device eql entered promiscuous mode cgroup: cgroup2: unknown option ""