====================================================== WARNING: possible circular locking dependency detected 4.15.0+ #291 Not tainted ------------------------------------------------------ syz-executor5/5374 is trying to acquire lock: (sk_lock-AF_INET){+.+.}, at: [<00000000d9749a66>] lock_sock include/net/sock.h:1461 [inline] (sk_lock-AF_INET){+.+.}, at: [<00000000d9749a66>] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 but task is already holding lock: (rtnl_mutex){+.+.}, at: [<00000000a5948650>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (rtnl_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 register_netdevice_notifier+0xad/0x860 net/core/dev.c:1607 tee_tg_check+0x1a0/0x280 net/netfilter/xt_TEE.c:106 xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845 check_target net/ipv4/netfilter/ip_tables.c:513 [inline] find_check_entry.isra.8+0x8c8/0xcb0 net/ipv4/netfilter/ip_tables.c:554 translate_table+0xed1/0x1610 net/ipv4/netfilter/ip_tables.c:725 do_replace net/ipv4/netfilter/ip_tables.c:1141 [inline] do_ipt_set_ctl+0x370/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1260 sctp_setsockopt+0x2b6/0x61d0 net/sctp/socket.c:4104 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 -> #0 (sk_lock-AF_INET){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 lock_sock_nested+0xc2/0x110 net/core/sock.c:2780 lock_sock include/net/sock.h:1461 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1252 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock(sk_lock-AF_INET); lock(rtnl_mutex); lock(sk_lock-AF_INET); *** DEADLOCK *** 1 lock held by syz-executor5/5374: #0: (rtnl_mutex){+.+.}, at: [<00000000a5948650>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 stack backtrace: CPU: 0 PID: 5374 Comm: syz-executor5 Not tainted 4.15.0+ #291 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 print_circular_bug.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2417 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 lock_sock_nested+0xc2/0x110 net/core/sock.c:2780 lock_sock include/net/sock.h:1461 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xb0 net/ipv4/ip_sockglue.c:1252 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f665de71c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f665de72700 RCX: 0000000000453299 RDX: 0000000000000027 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 0000000000000000 R08: 000000000000000c R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a2f33f R14: 00007f665de729c0 R15: 0000000000000000 audit: type=1400 audit(1517517093.395:23): avc: denied { ipc_owner } for pid=5389 comm="syz-executor3" capability=15 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 IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 audit: type=1400 audit(1517517094.809:24): avc: denied { map } for pid=5654 comm="syz-executor1" path="/dev/binder0" dev="devtmpfs" ino=1147 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 audit: type=1400 audit(1517517094.810:25): avc: denied { set_context_mgr } for pid=5654 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(1517517094.813:26): avc: denied { call } for pid=5654 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: binder_alloc_mmap_handler: 5654 20000000-20002000 already mapped failed -16 audit: type=1400 audit(1517517094.850:27): avc: denied { map } for pid=5659 comm="syz-executor2" path=2F616E6F6E5F6875676570616765202864656C6574656429 dev="hugetlbfs" ino=14721 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:hugetlbfs_t:s0 tclass=file permissive=1 binder: BINDER_SET_CONTEXT_MGR already set binder: 5654:5674 ioctl 40046207 0 returned -16 rpcbind: RPC call returned error 22 binder: release 5654:5657 transaction 2 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 2, target dead rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 binder: release 5680:5681 transaction 4 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 4, target dead rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 6008 Comm: syz-executor0 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3604 kmalloc include/linux/slab.h:499 [inline] kzalloc include/linux/slab.h:688 [inline] virtio_transport_alloc_pkt+0xc4/0x9f0 net/vmw_vsock/virtio_transport_common.c:48 virtio_transport_send_pkt_info+0x1d7/0x420 net/vmw_vsock/virtio_transport_common.c:180 virtio_transport_connect+0x176/0x200 net/vmw_vsock/virtio_transport_common.c:588 vsock_stream_connect+0x4bc/0xf80 net/vmw_vsock/af_vsock.c:1197 SYSC_connect+0x213/0x4a0 net/socket.c:1639 SyS_connect+0x24/0x30 net/socket.c:1620 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f80e4759c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f80e4759aa0 RCX: 0000000000453299 RDX: 0000000000000010 RSI: 0000000020001000 RDI: 0000000000000013 RBP: 00007f80e4759a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f80e4759bc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6043 Comm: syz-executor7 Not tainted 4.15.0+ #291 rpcbind: RPC call returned error 22 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 map_lookup_elem+0x288/0xc30 kernel/bpf/syscall.c:584 SYSC_bpf kernel/bpf/syscall.c:1869 [inline] SyS_bpf+0xa3a/0x4860 kernel/bpf/syscall.c:1843 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fed61072c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fed61072aa0 RCX: 0000000000453299 RDX: 0000000000000018 RSI: 0000000020000000 RDI: 0000000000000001 RBP: 00007fed61072a90 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fed61072bc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 QAT: Invalid ioctl rpcbind: RPC call returned error 22 QAT: Invalid ioctl rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 syz-executor5 uses obsolete (PF_INET,SOCK_PACKET) rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 audit: type=1400 audit(1517517096.844:28): avc: denied { setuid } for pid=6203 comm="syz-executor3" 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 CPU: 1 PID: 6174 Comm: syz-executor4 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 strndup_user+0x62/0xb0 mm/util.c:217 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3043 [inline] SyS_mount+0x3c/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f2f31b79c58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2f31b79aa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007f2f31b79a90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007f2f31b79bc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6334 Comm: syz-executor2 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 strndup_user+0x62/0xb0 mm/util.c:217 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3043 [inline] SyS_mount+0x3c/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fe27be0ec58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe27be0eaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fe27be0ea90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fe27be0ebc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6351 Comm: syz-executor1 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 strndup_user+0x62/0xb0 mm/util.c:217 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3043 [inline] SyS_mount+0x3c/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007ff2245cbc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff2245cbaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007ff2245cba90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007ff2245cbbc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6355 Comm: syz-executor2 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 strndup_user+0x62/0xb0 mm/util.c:217 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3048 [inline] SyS_mount+0x6b/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fe27be0ec58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe27be0eaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fe27be0ea90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fe27be0ebc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6368 Comm: syz-executor1 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 strndup_user+0x62/0xb0 mm/util.c:217 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3048 [inline] SyS_mount+0x6b/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007ff2245cbc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff2245cbaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007ff2245cba90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007ff2245cbbc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6374 Comm: syz-executor2 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3604 kmalloc include/linux/slab.h:499 [inline] copy_mount_options+0x5f/0x2e0 fs/namespace.c:2721 SYSC_mount fs/namespace.c:3053 [inline] SyS_mount+0x87/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fe27be0ec58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe27be0eaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fe27be0ea90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fe27be0ebc8 R14: 00000000004b8096 R15: 0000000000000000 QAT: Invalid ioctl QAT: Invalid ioctl FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6386 Comm: syz-executor1 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3604 kmalloc include/linux/slab.h:499 [inline] copy_mount_options+0x5f/0x2e0 fs/namespace.c:2721 SYSC_mount fs/namespace.c:3053 [inline] SyS_mount+0x87/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007ff2245cbc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff2245cbaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007ff2245cba90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007ff2245cbbc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6390 Comm: syz-executor2 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3538 getname_flags+0xcb/0x580 fs/namei.c:138 user_path_at_empty+0x2d/0x50 fs/namei.c:2568 user_path include/linux/namei.h:62 [inline] do_mount+0x15f/0x2bb0 fs/namespace.c:2782 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fe27be0ec58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe27be0eaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fe27be0ea90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fe27be0ebc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 6402 Comm: syz-executor2 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2955 [inline] prepare_alloc_pages mm/page_alloc.c:4194 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4233 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x72/0x570 mm/slab.c:2664 cache_alloc_refill mm/slab.c:3031 [inline] ____cache_alloc mm/slab.c:3113 [inline] __do_cache_alloc mm/slab.c:3335 [inline] slab_alloc mm/slab.c:3370 [inline] kmem_cache_alloc+0x400/0x760 mm/slab.c:3538 getname_flags+0xcb/0x580 fs/namei.c:138 user_path_at_empty+0x2d/0x50 fs/namei.c:2568 user_path include/linux/namei.h:62 [inline] do_mount+0x15f/0x2bb0 fs/namespace.c:2782 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fe27be0ec58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe27be0eaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fe27be0ea90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fe27be0ebc8 R14: 00000000004b8096 R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6404 Comm: syz-executor1 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2955 [inline] prepare_alloc_pages mm/page_alloc.c:4194 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4233 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x72/0x570 mm/slab.c:2664 cache_alloc_refill mm/slab.c:3031 [inline] ____cache_alloc mm/slab.c:3113 [inline] __do_cache_alloc mm/slab.c:3335 [inline] slab_alloc mm/slab.c:3370 [inline] kmem_cache_alloc_trace+0x3f0/0x750 mm/slab.c:3604 kmalloc include/linux/slab.h:499 [inline] copy_mount_options+0x5f/0x2e0 fs/namespace.c:2721 SYSC_mount fs/namespace.c:3053 [inline] SyS_mount+0x87/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007ff2245cbc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff2245cbaa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007ff2245cba90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007ff2245cbbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rds_bind: 40 callbacks suppressed RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6608 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 strndup_user+0x62/0xb0 mm/util.c:217 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3043 [inline] SyS_mount+0x3c/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6622 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 memdup_user+0x2c/0x90 mm/util.c:160 strndup_user+0x62/0xb0 mm/util.c:217 copy_mount_string fs/namespace.c:2746 [inline] SYSC_mount fs/namespace.c:3048 [inline] SyS_mount+0x6b/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 QAT: Invalid ioctl rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6638 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc_trace+0x4b/0x750 mm/slab.c:3604 kmalloc include/linux/slab.h:499 [inline] copy_mount_options+0x5f/0x2e0 fs/namespace.c:2721 SYSC_mount fs/namespace.c:3053 [inline] SyS_mount+0x87/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 QAT: Invalid ioctl audit: type=1400 audit(1517517100.556:29): avc: denied { write } for pid=6651 comm="syz-executor0" name="net" dev="proc" ino=16119 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 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6659 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2955 [inline] prepare_alloc_pages mm/page_alloc.c:4194 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4233 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x72/0x570 mm/slab.c:2664 cache_alloc_refill mm/slab.c:3031 [inline] ____cache_alloc mm/slab.c:3113 [inline] __do_cache_alloc mm/slab.c:3335 [inline] slab_alloc mm/slab.c:3370 [inline] kmem_cache_alloc_trace+0x3f0/0x750 mm/slab.c:3604 kmalloc include/linux/slab.h:499 [inline] copy_mount_options+0x5f/0x2e0 fs/namespace.c:2721 SYSC_mount fs/namespace.c:3053 [inline] SyS_mount+0x87/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6693 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3538 getname_flags+0xcb/0x580 fs/namei.c:138 user_path_at_empty+0x2d/0x50 fs/namei.c:2568 user_path include/linux/namei.h:62 [inline] do_mount+0x15f/0x2bb0 fs/namespace.c:2782 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 6706 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2955 [inline] prepare_alloc_pages mm/page_alloc.c:4194 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4233 __alloc_pages include/linux/gfp.h:456 [inline] __alloc_pages_node include/linux/gfp.h:469 [inline] kmem_getpages mm/slab.c:1409 [inline] cache_grow_begin+0x72/0x570 mm/slab.c:2664 cache_alloc_refill mm/slab.c:3031 [inline] ____cache_alloc mm/slab.c:3113 [inline] __do_cache_alloc mm/slab.c:3335 [inline] slab_alloc mm/slab.c:3370 [inline] kmem_cache_alloc+0x400/0x760 mm/slab.c:3538 getname_flags+0xcb/0x580 fs/namei.c:138 user_path_at_empty+0x2d/0x50 fs/namei.c:2568 user_path include/linux/namei.h:62 [inline] do_mount+0x15f/0x2bb0 fs/namespace.c:2782 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 6724 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3538 kmem_cache_zalloc include/linux/slab.h:678 [inline] alloc_vfsmnt+0xe0/0x9c0 fs/namespace.c:205 vfs_kern_mount.part.26+0x84/0x4a0 fs/namespace.c:1030 vfs_kern_mount fs/namespace.c:2509 [inline] do_new_mount fs/namespace.c:2512 [inline] do_mount+0xea4/0x2bb0 fs/namespace.c:2842 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 rpcbind: RPC call returned error 22 audit: type=1400 audit(1517517100.559:30): avc: denied { add_name } for pid=6651 comm="syz-executor0" name="pfkey" 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 audit: type=1400 audit(1517517100.560:31): avc: denied { create } for pid=6651 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 rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 CPU: 0 PID: 6746 Comm: syz-executor6 Not tainted 4.15.0+ #291 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3364 [inline] __do_kmalloc mm/slab.c:3702 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3719 kstrdup+0x39/0x70 mm/util.c:56 kstrdup_const+0x39/0x50 mm/util.c:77 alloc_vfsmnt+0x1a5/0x9c0 fs/namespace.c:214 vfs_kern_mount.part.26+0x84/0x4a0 fs/namespace.c:1030 vfs_kern_mount fs/namespace.c:2509 [inline] do_new_mount fs/namespace.c:2512 [inline] do_mount+0xea4/0x2bb0 fs/namespace.c:2842 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007fc9d7e9fc58 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc9d7e9faa0 RCX: 0000000000453299 RDX: 00000000207fc000 RSI: 0000000020343ff8 RDI: 0000000020144000 RBP: 00007fc9d7e9fa90 R08: 000000002000a000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b8096 R13: 00007fc9d7e9fbc8 R14: 00000000004b8096 R15: 0000000000000000 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 RDS: rds_bind could not find a transport for 172.20.0.170, load rds_tcp or rds_rdma? QAT: Invalid ioctl rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22