Unknown ioctl -2143271656 ================================================ WARNING: lock held when returning to user space! 4.18.0+ #198 Not tainted ------------------------------------------------ syz-executor1/20493 is leaving the kernel with locks still held! 1 lock held by syz-executor1/20493: #0: 00000000cd321d18 (&fi->mutex){+.+.}, at: fuse_lock_inode+0xaf/0xe0 fs/fuse/inode.c:363 Unknown ioctl 35090 Unknown ioctl 1079792899 Unknown ioctl 19462 Unknown ioctl -2143271656 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 20943 Comm: syz-executor6 Not tainted 4.18.0+ #198 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3552 dst_alloc+0xbb/0x1d0 net/core/dst.c:105 rt_dst_alloc+0x102/0x520 net/ipv4/route.c:1576 __mkroute_output net/ipv4/route.c:2275 [inline] ip_route_output_key_hash_rcu+0xa5b/0x3500 net/ipv4/route.c:2502 ip_route_output_key_hash+0x242/0x3b0 net/ipv4/route.c:2331 __ip_route_output_key include/net/route.h:124 [inline] ip_route_connect include/net/route.h:303 [inline] __ip4_datagram_connect+0xb4d/0x1020 net/ipv4/datagram.c:51 __ip6_datagram_connect+0xd28/0x1470 net/ipv6/datagram.c:191 ip6_datagram_connect+0x2f/0x50 net/ipv6/datagram.c:273 inet_dgram_connect+0x154/0x2e0 net/ipv4/af_inet.c:571 __sys_connect+0x37d/0x4c0 net/socket.c:1662 __do_sys_connect net/socket.c:1673 [inline] __se_sys_connect net/socket.c:1670 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1670 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efe56446c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007efe564476d4 RCX: 0000000000457089 RDX: 0000000000000049 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004cb520 R14: 00000000004c30fc R15: 0000000000000000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 20992 Comm: syz-executor6 Not tainted 4.18.0+ #198 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x11 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3552 dst_alloc+0xbb/0x1d0 net/core/dst.c:105 rt_dst_alloc+0x102/0x520 net/ipv4/route.c:1576 __mkroute_output net/ipv4/route.c:2275 [inline] ip_route_output_key_hash_rcu+0xa5b/0x3500 net/ipv4/route.c:2502 IPVS: ftp: loaded support on port[0] = 21 ip_route_output_key_hash+0x242/0x3b0 net/ipv4/route.c:2331 __ip_route_output_key include/net/route.h:124 [inline] ip_route_output_flow+0x28/0xc0 net/ipv4/route.c:2586 ip_route_connect include/net/route.h:310 [inline] __ip4_datagram_connect+0x706/0x1020 net/ipv4/datagram.c:51 __ip6_datagram_connect+0xd28/0x1470 net/ipv6/datagram.c:191 ip6_datagram_connect+0x2f/0x50 net/ipv6/datagram.c:273 inet_dgram_connect+0x154/0x2e0 net/ipv4/af_inet.c:571 __sys_connect+0x37d/0x4c0 net/socket.c:1662 __do_sys_connect net/socket.c:1673 [inline] __se_sys_connect net/socket.c:1670 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1670 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457089 Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efe56446c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007efe564476d4 RCX: 0000000000457089 RDX: 0000000000000049 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000004cb520 R14: 00000000004c30fc R15: 0000000000000001 bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready