syz-executor1: vmalloc: allocation failure: 0 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 5802 Comm: syz-executor1 Not tainted 4.9.88-gbb52bba #59 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor6/5818 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 ffff8801b125f8f0 ffffffff81d95f19 1ffff1003624bf21 ffff8801d72b4800 ffffffff83ab96e0 0000000000000001 0000000000400000 ffff8801b125fa00 ffffffff814521d2 024000c2b125f940 0000000041b58ab3 ffffffff8419634d 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_pwrite64 fs/read_write.c:646 [inline] [] SyS_pwrite64+0x13f/0x170 fs/read_write.c:633 [] do_syscall_64+0x1a4/0x490 arch/x86/entry/common.c:282 [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb CPU: 0 PID: 5818 Comm: syz-executor6 Not tainted 4.9.88-gbb52bba #59 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d752f678 ffffffff81d95f19 0000000000000000 ffffffff83c19200 ffffffff83f460a0 ffff8801d7520000 0000000000000003 ffff8801d752f6b8 ffffffff81dfd514 ffff8801d752f6d0 ffffffff83f460a0 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 Mem-Info: active_anon:59117 inactive_anon:2894 isolated_anon:0 active_file:3510 inactive_file:8506 isolated_file:0 unevictable:0 dirty:134 writeback:0 unstable:0 slab_reclaimable:5380 slab_unreclaimable:59995 mapped:27146 shmem:2901 pagetables:695 bounce:0 free:1466574 free_pcp:362 free_cma:0 Node 0 active_anon:236468kB inactive_anon:11576kB active_file:14040kB inactive_file:34024kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:108584kB dirty:536kB writeback:0kB shmem:11604kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 69632kB 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:2870444kB min:36824kB low:46028kB high:55232kB active_anon:236468kB inactive_anon:11576kB active_file:14040kB inactive_file:34024kB unevictable:0kB writepending:536kB present:4718592kB managed:3585212kB mlocked:0kB slab_reclaimable:21520kB slab_unreclaimable:239980kB kernel_stack:5824kB pagetables:2780kB bounce:0kB free_pcp:676kB local_pcp:608kB 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 14916 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 [] 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 audit: type=1400 audit(1521482123.366:16): avc: denied { ioctl } for pid=5857 comm="syz-executor6" path="socket:[15569]" dev="sockfs" ino=15569 ioctlcmd=0x8902 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 keychord: keycode 2064 out of range keychord: keycode 2064 out of range audit: type=1400 audit(1521482123.446:17): avc: denied { create } for pid=5887 comm="syz-executor4" 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(1521482123.456:18): avc: denied { set_context_mgr } for pid=5886 comm="syz-executor3" 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(1521482123.466:19): avc: denied { call } for pid=5886 comm="syz-executor3" 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: 5886:5894 got transaction with invalid data ptr binder: 5886:5894 transaction failed 29201/-14, size 7680-0 line 3152 binder: 5886:5894 got transaction with unaligned buffers size, 58534 binder: 5886:5894 transaction failed 29201/-22, size 0-0 line 3178 binder: BINDER_SET_CONTEXT_MGR already set binder: 5886:5895 ioctl 40046207 0 returned -16 binder_alloc: 5886: binder_alloc_buf, no vma binder: 5886:5895 transaction failed 29189/-3, size 7680-0 line 3133 binder_alloc: 5886: binder_alloc_buf, no vma binder: 5886:5895 transaction failed 29189/-3, size 0-0 line 3133 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 IPVS: Creating netns size=2536 id=10 capability: warning: `syz-executor0' uses 32-bit capabilities (legacy support in use) audit: type=1400 audit(1521482124.356:20): avc: denied { getattr } for pid=6117 comm="syz-executor1" path="socket:[14856]" dev="sockfs" ino=14856 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 IPVS: Creating netns size=2536 id=11 binder: 6231:6237 unknown command 6 binder: 6231:6237 ioctl c0306201 20004000 returned -22 binder: release 6231:6264 transaction 7 out, still active binder: undelivered TRANSACTION_COMPLETE binder: 6231:6276 unknown command 6 binder: 6231:6276 ioctl c0306201 20004000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 6231:6264 ioctl 40046207 0 returned -16 binder_alloc: 6231: binder_alloc_buf, no vma binder: 6231:6283 transaction failed 29189/-3, size 0-0 line 3133 binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 7, target dead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=22025 sclass=netlink_route_socket pig=6307 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=22025 sclass=netlink_route_socket pig=6317 comm=syz-executor1 audit: type=1400 audit(1521482126.436:21): avc: denied { create } for pid=6371 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_fib_lookup_socket permissive=1 audit: type=1400 audit(1521482126.486:22): avc: denied { shutdown } for pid=6371 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_fib_lookup_socket permissive=1 binder_alloc: 6420: binder_alloc_buf failed to map page at 20ffd000 in userspace binder: 6420:6428 transaction failed 29201/-12, size 0-0 line 3133 binder: BINDER_SET_CONTEXT_MGR already set binder: 6420:6428 ioctl 40046207 0 returned -16 binder_alloc: 6420: binder_alloc_buf, no vma binder: 6420:6449 transaction failed 29189/-3, size 0-0 line 3133 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 capability: warning: `syz-executor0' uses deprecated v2 capabilities in a way that may be insecure SELinux: policydb magic number 0x7b10b999 does not match expected magic number 0xf97cff8c SELinux: policydb magic number 0x7b10b999 does not match expected magic number 0xf97cff8c netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor4'. device bridge0 entered promiscuous mode netlink: 72 bytes leftover after parsing attributes in process `syz-executor7'. binder: 6591:6605 got reply transaction with no transaction stack binder: 6591:6605 transaction failed 29201/-71, size 562949953421312-6729556775553118457 line 2926 binder_alloc: binder_alloc_mmap_handler: 6591 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 6591:6612 ioctl 40046207 0 returned -16 binder: undelivered TRANSACTION_ERROR: 29201 device bridge0 entered promiscuous mode netlink: 964 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 964 bytes leftover after parsing attributes in process `syz-executor7'. IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 binder: 6898:6909 transaction failed 29189/-22, size 32-8 line 3010 binder: 6898:6909 transaction failed 29189/-22, size 32-8 line 3010 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 syz-executor4 uses obsolete (PF_INET,SOCK_PACKET) audit_printk_skb: 9 callbacks suppressed audit: type=1400 audit(1521482129.106:26): avc: denied { net_admin } for pid=7120 comm="syz-executor1" 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(1521482129.106:27): avc: denied { dac_override } for pid=7129 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(1521482129.206:28): avc: denied { net_admin } for pid=3868 comm="syz-executor0" 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(1521482129.296:29): avc: denied { sys_admin } for pid=7149 comm="syz-executor5" 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(1521482129.446:30): avc: denied { dac_override } for pid=7205 comm="syz-executor4" 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