============================= WARNING: suspicious RCU usage 4.15.0+ #221 Not tainted ----------------------------- net/tipc/bearer.c:177 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 2 locks held by syz-executor7/31929: #0: (cb_lock){++++}, at: [<000000002ea54be9>] genl_rcv+0x19/0x40 net/netlink/genetlink.c:634 #1: (genl_mutex){+.+.}, at: [<000000008fc3ea45>] genl_lock net/netlink/genetlink.c:33 [inline] #1: (genl_mutex){+.+.}, at: [<000000008fc3ea45>] genl_rcv_msg+0x115/0x140 net/netlink/genetlink.c:622 stack backtrace: CPU: 1 PID: 31929 Comm: syz-executor7 Not tainted 4.15.0+ #221 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4592 tipc_bearer_find+0x2b4/0x3b0 net/tipc/bearer.c:177 tipc_nl_compat_link_set+0x329/0x9f0 net/tipc/netlink_compat.c:729 __tipc_nl_compat_doit net/tipc/netlink_compat.c:288 [inline] tipc_nl_compat_doit+0x15b/0x670 net/tipc/netlink_compat.c:335 tipc_nl_compat_handle net/tipc/netlink_compat.c:1119 [inline] tipc_nl_compat_recv+0x1135/0x18f0 net/tipc/netlink_compat.c:1201 genl_family_rcv_msg+0x7b7/0xfb0 net/netlink/genetlink.c:599 genl_rcv_msg+0xb2/0x140 net/netlink/genetlink.c:624 netlink_rcv_skb+0x14b/0x380 net/netlink/af_netlink.c:2442 genl_rcv+0x28/0x40 net/netlink/genetlink.c:635 netlink_unicast_kernel net/netlink/af_netlink.c:1308 [inline] netlink_unicast+0x4c4/0x6b0 net/netlink/af_netlink.c:1334 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1897 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2046 __sys_sendmsg+0xe5/0x210 net/socket.c:2080 SYSC_sendmsg net/socket.c:2091 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2087 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x4537d9 RSP: 002b:00007f50a6210c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 00000000004537d9 RDX: 0000000000000000 RSI: 0000000020003000 RDI: 0000000000000013 RBP: 00000000000005ca R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f7b90 R13: 00000000ffffffff R14: 00007f50a62116d4 R15: 0000000000000000 x_tables: ip_tables: ah match: only valid for protocol 51 x_tables: ip_tables: ah match: only valid for protocol 51 xt_l2tp: invalid flags combination: 0 xt_l2tp: invalid flags combination: 0 dccp_close: ABORT with 452 bytes unread nla_parse: 52 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. x_tables: ip6_tables: TCPOPTSTRIP target: only valid in mangle table, not security x_tables: ip6_tables: TCPOPTSTRIP target: only valid in mangle table, not security x_tables: ip6_tables: TCPOPTSTRIP target: only valid in mangle table, not security audit: type=1400 audit(1518204016.956:63): avc: denied { relabelto } for pid=368 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1518204016.957:64): avc: denied { send } for pid=368 comm="syz-executor5" saddr=fe80::a8aa:aaff:feaa:50f src=42563 daddr=ff01::1 netif=wlan0 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1518204016.957:65): avc: denied { send } for pid=368 comm="syz-executor5" saddr=fe80::a8aa:aaff:feaa:50f daddr=fe80::a8aa:aaff:feaa:50f netif=lo scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 x_tables: ip6_tables: TCPOPTSTRIP target: only valid in mangle table, not security netlink: 'syz-executor2': attribute type 21 has an invalid length. netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 'syz-executor2': attribute type 21 has an invalid length. x_tables: ip6_tables: TCPOPTSTRIP target: only valid in mangle table, not security netlink: 11 bytes leftover after parsing attributes in process `syz-executor2'. NFQUEUE: number of total queues is 0 x_tables: ip6_tables: TCPOPTSTRIP target: only valid in mangle table, not security NFQUEUE: number of total queues is 0 NFQUEUE: number of total queues is 0 oom_reaper: reaped process 597 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB rsyslogd invoked oom-killer: gfp_mask=0x14200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 rsyslogd cpuset=/ mems_allowed=0 syz-executor3: vmalloc: allocation failure, allocated 3075936256 of 4294971392 bytes, mode:0x14000c0(GFP_KERNEL), nodemask=(null) CPU: 1 PID: 4007 Comm: rsyslogd Not tainted 4.15.0+ #221 syz-executor3 cpuset= Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 / mems_allowed=0 dump_header+0x28c/0xe1e mm/oom_kill.c:437 oom_kill_process+0x8b9/0x1550 mm/oom_kill.c:866 out_of_memory+0x86d/0x1220 mm/oom_kill.c:1080 __alloc_pages_may_oom mm/page_alloc.c:3402 [inline] __alloc_pages_slowpath+0x1d1b/0x2d00 mm/page_alloc.c:4103 __alloc_pages_nodemask+0x9fb/0xd80 mm/page_alloc.c:4259 alloc_pages_current+0xb6/0x1e0 mm/mempolicy.c:2055 alloc_pages include/linux/gfp.h:492 [inline] __page_cache_alloc+0x334/0x500 mm/filemap.c:945 page_cache_read mm/filemap.c:2387 [inline] filemap_fault+0xf34/0x1ca0 mm/filemap.c:2571 ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6177 __do_fault+0xeb/0x315 mm/memory.c:3228 do_read_fault mm/memory.c:3638 [inline] do_fault mm/memory.c:3738 [inline] handle_pte_fault mm/memory.c:3969 [inline] __handle_mm_fault+0x1d8f/0x3ce0 mm/memory.c:4093 handle_mm_fault+0x38f/0x930 mm/memory.c:4130 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1426 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1501 page_fault+0x4c/0x60 arch/x86/entry/entry_64.S:1261 RIP: 0033:0x7fe2b0a321fd RSP: 002b:00007fe2adfd1e30 EFLAGS: 00010293 RAX: 0000000000000070 RBX: 00000000013074b0 RCX: 00007fe2b0a321fd RDX: 0000000000000fff RSI: 00007fe2af8065a0 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00000000012f2260 R09: 0000000004000001 R10: 0000000000000001 R11: 0000000000000293 R12: 000000000065e420 R13: 00007fe2adfd29c0 R14: 00007fe2b1077040 R15: 0000000000000003 CPU: 0 PID: 597 Comm: syz-executor3 Not tainted 4.15.0+ #221 Mem-Info: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 active_anon:26276 inactive_anon:64 isolated_anon:0 active_file:15 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:10579 slab_unreclaimable:80141 mapped:16514 shmem:70 pagetables:571 bounce:0 free:15777 free_pcp:89 free_cma:0 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3306 Node 0 active_anon:105104kB inactive_anon:256kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66056kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 63488kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 __vmalloc_area_node mm/vmalloc.c:1718 [inline] __vmalloc_node_range+0x482/0x650 mm/vmalloc.c:1759 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:428 lowmem_reserve[]: kvmalloc include/linux/mm.h:541 [inline] xt_alloc_table_info+0x63/0xe0 net/netfilter/x_tables.c:1011 do_replace net/ipv4/netfilter/arp_tables.c:970 [inline] do_arpt_set_ctl+0x29d/0x8d0 net/ipv4/netfilter/arp_tables.c:1458 0 2868 6378 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1259 6378 raw_setsockopt+0xb7/0xd0 net/ipv4/raw.c:870 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 Node 0 DMA32 free:28736kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2939956kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x4537d9 RSP: 002b:00007f7e91ef1c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 00000000004537d9 lowmem_reserve[]: RDX: 0000000000000060 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 00000000000005ca R08: 0000000000000370 R09: 0000000000000000 R10: 0000000020003000 R11: 0000000000000212 R12: 00000000006f7b90 R13: 00000000ffffffff R14: 00007f7e91ef26d4 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: 0 0 active_anon:26276 inactive_anon:64 isolated_anon:0 active_file:15 inactive_file:13 isolated_file:0 unevictable:0 dirty:0 writeback:0 unstable:0 slab_reclaimable:10579 slab_unreclaimable:80141 mapped:16514 shmem:70 pagetables:571 bounce:0 free:15777 free_pcp:89 free_cma:0 3510 Node 0 active_anon:105104kB inactive_anon:256kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:66056kB dirty:0kB writeback:0kB shmem:280kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 63488kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 0 3510 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: Node 0 0 Normal free:18464kB min:37100kB low:46372kB high:55644kB active_anon:105204kB inactive_anon:256kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:4128kB pagetables:2284kB bounce:0kB free_pcp:236kB local_pcp:116kB free_cma:0kB 2868 6378 lowmem_reserve[]: 6378 0 Node 0 DMA32 free:28736kB min:30316kB low:37892kB high:45468kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129292kB managed:2939956kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB 0 0 0 lowmem_reserve[]: 0 Node 0 0 3510 DMA: 3510 1*4kB Node 0 (U) Normal free:18464kB min:37100kB low:46372kB high:55644kB active_anon:105204kB inactive_anon:256kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3594332kB mlocked:0kB kernel_stack:4128kB pagetables:2284kB bounce:0kB free_pcp:236kB local_pcp:120kB free_cma:0kB lowmem_reserve[]: 0*8kB 0 0 0 0*16kB 0 1*32kB Node 0 (U) 2*64kB DMA: 1*4kB (U) 1*128kB (U) 1*256kB (U) 0*512kB (U) 0*8kB 1*1024kB 0*16kB 1*32kB (U) 1*2048kB (M) 3*4096kB (M) (U) 2*64kB = 15908kB (U) 1*128kB (U) Node 0 1*256kB DMA32: 4*4kB (UM) 2*8kB (UM) (U) 0*512kB 0*16kB 1*1024kB (U) 1*32kB 1*2048kB (M) (M) 3*4096kB (M) 0*64kB = 15908kB 2*128kB Node 0 (M) DMA32: 4*4kB 3*256kB (UM) 2*8kB (UM) (M) 0*16kB 1*32kB 2*512kB (M) (M) 0*64kB 4*1024kB (UM) 2*128kB (M) 1*2048kB (M) 5*4096kB 3*256kB (M) (M) 2*512kB (M) = 28736kB 4*1024kB Node 0 (UM) 1*2048kB Normal: (M) 640*4kB 5*4096kB (M) (UME) = 28736kB Node 0 287*8kB Normal: 640*4kB (UME) (UME) 287*8kB 200*16kB (UME) 200*16kB (M) (M) 86*32kB 86*32kB (UME) (UME) 58*64kB 58*64kB (UM) 24*128kB (UM) (UM) 24*128kB 0*256kB 2*512kB (UM) 0*256kB (U) 0*1024kB 2*512kB 0*2048kB 0*4096kB (U) = 18616kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 0*1024kB 98 total pagecache pages 0 pages in swap cache 0*2048kB Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB 0*4096kB Total swap = 0kB 1965969 pages RAM = 18616kB 0 pages HighMem/MovableOnly 328420 pages reserved Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 98 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 328420 pages reserved Unreclaimable slab info: Name Used Total pid_2 506KB 596KB hashtab_node 118KB 119KB ebitmap_node 4181KB 4803KB avtab_node 1012KB 1013KB TIPC 12KB 21KB rds_tcp_connection 9KB 14KB RDS 23KB 62KB rds_connection 4KB 8KB SCTPv6 690KB 700KB SCTP 125KB 221KB sctp_chunk 61KB 270KB sctp_bind_bucket 10KB 19KB tw_sock_DCCPv6 3KB 7KB request_sock_DCCPv6 0KB 3KB DCCPv6 34KB 58KB tw_sock_DCCP 4KB 11KB DCCP 22KB 27KB ccid2_hc_tx_sock 5KB 6KB ccid2_hc_rx_sock 0KB 3KB dccp_ackvec_record 0KB 3KB dccp_ackvec 2KB 7KB dccp_bind_bucket 9KB 16KB bridge_fdb_cache 6KB 11KB nf-frags 0KB 3KB xfrm6_tunnel_spi 0KB 4KB ip6-frags 17KB 19KB fib6_nodes 23KB 28KB ip6_dst_cache 276KB 438KB RAWv6 706KB 715KB UDPLITEv6 7KB 10KB UDPv6 327KB 336KB tw_sock_TCPv6 0KB 3KB TCPv6 87KB 101KB nf_conntrack 9KB 11KB sd_ext_cdb 0KB 3KB scsi_sense_cache 12KB 24KB virtio_scsi_cmd 16KB 16KB sgpool-128 8KB 8KB sgpool-64 4KB 6KB sgpool-32 5KB 7KB sgpool-16 7KB 7KB sgpool-8 15KB 15KB cfq_io_cq 4KB 19KB cfq_queue 2KB 23KB mqueue_inode_cache 1KB 7KB nfs_commit_data 3KB 7KB nfs_write_data 34KB 37KB jbd2_inode 2KB 7KB ext4_system_zone 0KB 3KB bio-1 1KB 3KB pid_namespace 2KB 7KB rpc_buffers 17KB 19KB rpc_tasks 2KB 3KB UNIX 21KB 66KB ip4-frags 0KB 3KB tcp_bind_bucket 12KB 40KB inet_peer_cache 1KB 4KB xfrm_dst_cache 20KB 64KB ip_fib_trie 4KB 7KB ip_fib_alias 39KB 55KB ip_dst_cache 65KB 148KB RAW 244KB 316KB UDP 195KB 484KB tw_sock_TCP 1KB 7KB TCP 73KB 102KB hugetlbfs_inode_cache 3KB 7KB eventpoll_pwq 3KB 19KB eventpoll_epi 6KB 19KB inotify_inode_mark 3KB 3KB request_queue 31KB 34KB blkdev_ioc 5KB 23KB bio-0 41KB 41KB biovec-(1<<(21-12)) 775KB 775KB bio_integrity_payload 0KB 4KB khugepaged_mm_slot 26KB 81KB user_namespace 5KB 7KB dmaengine-unmap-2 0KB 3KB audit_buffer 2KB 3KB skbuff_fclone_cache 795KB 1488KB skbuff_head_cache 1651KB 3277KB configfs_dir_cache 0KB 4KB file_lock_cache 0KB 3KB file_lock_ctx 0KB 3KB fsnotify_mark_connector 2KB 3KB net_namespace 54KB 54KB shmem_inode_cache 3269KB 3454KB task_delay_info 809KB 913KB taskstats 666KB 769KB sigqueue 29816KB 29846KB kernfs_node_cache 6020KB 6024KB mnt_cache 51KB 84KB filp 7712KB 9903KB names_cache 51446KB 51484KB avc_node 52KB 55KB selinux_file_security 387KB 647KB selinux_inode_security 2574KB 2832KB key_jar 3KB 7KB nsproxy 0KB 7KB vm_area_struct 15733KB 16652KB mm_struct 3085KB 4640KB fs_cache 512KB 532KB files_cache 1928KB 1980KB signal_cache 2955KB 3169KB sighand_cache 321KB 444KB task_struct 25810KB 25865KB cred_jar 1036KB 2092KB anon_vma_chain 4296KB 6492KB anon_vma 220KB 350KB pid 68KB 180KB Acpi-Operand 312KB 792KB Acpi-Namespace 102KB 104KB numa_policy 0KB 3KB debug_objects_cache 850KB 850KB trace_event_file 149KB 151KB ftrace_event_field 261KB 263KB pool_workqueue 51KB 56KB page->ptl 2781KB 3304KB kmalloc-262144 1032KB 1032KB kmalloc-131072 650KB 780KB kmalloc-65536 264KB 264KB kmalloc-32768 1287KB 1287KB kmalloc-16384 676KB 709KB kmalloc-8192 1749KB 1806KB kmalloc-4096 6124KB 6124KB kmalloc-2048 10999KB 13107KB kmalloc-1024 4314KB 7544KB kmalloc-512 1943KB 3881KB kmalloc-256 2184KB 2572KB kmalloc-128 1781KB 2067KB kmalloc-96 3831KB 4620KB kmalloc-64 4656KB 5568KB kmalloc-32 3864KB 4563KB kmalloc-192 566KB 604KB kmem_cache 106KB 112KB [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 2102] 0 2102 5517 311 90112 0 -1000 udevd [ 3856] 0 3856 2493 573 49152 0 0 dhclient [ 4004] 0 4004 14265 175 114688 0 0 rsyslogd [ 4059] 0 4059 3735 44 69632 0 0 mcstransd [ 4060] 0 4060 4725 51 86016 0 0 cron [ 4083] 0 4083 12927 1227 131072 0 0 restorecond [ 4100] 0 4100 12490 152 135168 0 -1000 sshd [ 4129] 0 4129 3694 41 73728 0 0 getty [ 4130] 0 4130 3694 39 77824 0 0 getty [ 4131] 0 4131 3694 41 69632 0 0 getty [ 4132] 0 4132 3694 41 73728 0 0 getty [ 4133] 0 4133 3694 41 73728 0 0 getty [ 4134] 0 4134 3694 41 73728 0 0 getty [ 4135] 0 4135 3649 39 77824 0 0 getty [ 4137] 0 4137 5681 455 90112 0 -1000 udevd [ 4138] 0 4138 5681 455 90112 0 -1000 udevd [ 4151] 0 4151 17821 197 188416 0 0 sshd [ 4153] 0 4153 65296 21988 352256 0 0 syz-fuzzer [ 4197] 0 4197 7297 14 65536 0 0 syz-executor0 [ 4198] 0 4198 7297 14 69632 0 0 syz-executor2 [ 4199] 0 4199 7297 16 61440 0 0 syz-executor1 [ 4200] 0 4200 7296 2074 73728 0 0 syz-executor0 [ 4201] 0 4201 7296 2074 77824 0 0 syz-executor2 [ 4202] 0 4202 7297 15 69632 0 0 syz-executor7 [ 4203] 0 4203 7297 16 69632 0 0 syz-executor3 [ 4204] 0 4204 7296 2075 69632 0 0 syz-executor1 [ 4205] 0 4205 7297 15 69632 0 0 syz-executor4 [ 4206] 0 4206 7297 15 69632 0 0 syz-executor5 [ 4207] 0 4207 7296 2075 77824 0 0 syz-executor7 [ 4208] 0 4208 7297 16 69632 0 0 syz-executor6 [ 4209] 0 4209 7296 2075 77824 0 0 syz-executor3 [ 4210] 0 4210 7296 2074 77824 0 0 syz-executor4 [ 4211] 0 4211 7296 2075 77824 0 0 syz-executor5 [ 4212] 0 4212 7296 2076 77824 0 0 syz-executor6 [ 597] 0 594 7399 0 81920 0 0 syz-executor3 Out of memory: Kill process 4153 (syz-fuzzer) score 13 or sacrifice child Killed process 4208 (syz-executor6) total-vm:29188kB, anon-rss:60kB, file-rss:4kB, shmem-rss:0kB