============================= WARNING: suspicious RCU usage 4.15.0-rc5+ #178 Not tainted ----------------------------- net/ipv6/ip6_fib.c:1704 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 4 locks held by syz-executor5/11792: #0: (br_ioctl_mutex){+.+.}, at: [<00000000d70c3308>] sock_ioctl+0x367/0x440 net/socket.c:1018 #1: (rtnl_mutex){+.+.}, at: [<000000007cd79bdc>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 #2: (rcu_read_lock){....}, at: [<00000000e1261f2f>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1562 #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] spin_lock_bh include/linux/spinlock.h:315 [inline] #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1957 stack backtrace: CPU: 0 PID: 11792 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #178 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:4585 fib6_del+0xcaa/0x11b0 net/ipv6/ip6_fib.c:1703 fib6_clean_node+0x42e/0x580 net/ipv6/ip6_fib.c:1894 fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1817 fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1865 fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1942 __fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1958 fib6_clean_all+0x27/0x30 net/ipv6/ip6_fib.c:1969 rt6_sync_down_dev net/ipv6/route.c:3611 [inline] rt6_disable_ip+0xfd/0x700 net/ipv6/route.c:3616 addrconf_ifdown+0x14b/0x14f0 net/ipv6/addrconf.c:3595 addrconf_notify+0x5f8/0x2310 net/ipv6/addrconf.c:3519 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x32/0x70 net/core/dev.c:1696 call_netdevice_notifiers net/core/dev.c:1714 [inline] rollback_registered_many+0x8b5/0xe20 net/core/dev.c:7335 rollback_registered+0x1be/0x3c0 net/core/dev.c:7377 unregister_netdevice_queue+0x2e3/0x5f0 net/core/dev.c:8392 br_dev_delete+0x138/0x190 net/bridge/br_if.c:320 br_del_bridge+0xac/0xe0 net/bridge/br_if.c:421 br_ioctl_deviceless_stub+0x2ec/0xa00 net/bridge/br_ioctl.c:380 sock_ioctl+0x383/0x440 net/socket.c:1020 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007f3df6fedc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 0000000020dbc000 RSI: 00000000000089a1 RDI: 0000000000000013 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee0a0 R13: 00000000ffffffff R14: 00007f3df6fee6d4 R15: 0000000000000000 ============================= WARNING: suspicious RCU usage 4.15.0-rc5+ #178 Not tainted ----------------------------- net/ipv6/ip6_fib.c:1731 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 4 locks held by syz-executor5/11792: #0: (br_ioctl_mutex){+.+.}, at: [<00000000d70c3308>] sock_ioctl+0x367/0x440 net/socket.c:1018 #1: (rtnl_mutex){+.+.}, at: [<000000007cd79bdc>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 #2: (rcu_read_lock){....}, at: [<00000000e1261f2f>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1562 #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] spin_lock_bh include/linux/spinlock.h:315 [inline] #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1957 stack backtrace: CPU: 0 PID: 11792 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #178 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:4585 fib6_del+0x425/0x11b0 net/ipv6/ip6_fib.c:1730 fib6_clean_node+0x42e/0x580 net/ipv6/ip6_fib.c:1894 fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1817 fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1865 fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1942 __fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1958 fib6_clean_all+0x27/0x30 net/ipv6/ip6_fib.c:1969 rt6_sync_down_dev net/ipv6/route.c:3611 [inline] rt6_disable_ip+0xfd/0x700 net/ipv6/route.c:3616 addrconf_ifdown+0x14b/0x14f0 net/ipv6/addrconf.c:3595 addrconf_notify+0x5f8/0x2310 net/ipv6/addrconf.c:3519 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x32/0x70 net/core/dev.c:1696 call_netdevice_notifiers net/core/dev.c:1714 [inline] rollback_registered_many+0x8b5/0xe20 net/core/dev.c:7335 rollback_registered+0x1be/0x3c0 net/core/dev.c:7377 unregister_netdevice_queue+0x2e3/0x5f0 net/core/dev.c:8392 br_dev_delete+0x138/0x190 net/bridge/br_if.c:320 br_del_bridge+0xac/0xe0 net/bridge/br_if.c:421 br_ioctl_deviceless_stub+0x2ec/0xa00 net/bridge/br_ioctl.c:380 sock_ioctl+0x383/0x440 net/socket.c:1020 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007f3df6fedc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 0000000020dbc000 RSI: 00000000000089a1 RDI: 0000000000000013 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee0a0 R13: 00000000ffffffff R14: 00007f3df6fee6d4 R15: 0000000000000000 ============================= WARNING: suspicious RCU usage 4.15.0-rc5+ #178 Not tainted ----------------------------- net/ipv6/ip6_fib.c:1641 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 4 locks held by syz-executor5/11792: #0: (br_ioctl_mutex){+.+.}, at: [<00000000d70c3308>] sock_ioctl+0x367/0x440 net/socket.c:1018 #1: (rtnl_mutex){+.+.}, at: [<000000007cd79bdc>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 #2: (rcu_read_lock){....}, at: [<00000000e1261f2f>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1562 #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] spin_lock_bh include/linux/spinlock.h:315 [inline] #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1957 stack backtrace: CPU: 0 PID: 11792 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #178 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:4585 fib6_del_route net/ipv6/ip6_fib.c:1640 [inline] fib6_del+0xd18/0x11b0 net/ipv6/ip6_fib.c:1733 fib6_clean_node+0x42e/0x580 net/ipv6/ip6_fib.c:1894 fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1817 fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1865 fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1942 __fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1958 fib6_clean_all+0x27/0x30 net/ipv6/ip6_fib.c:1969 rt6_sync_down_dev net/ipv6/route.c:3611 [inline] rt6_disable_ip+0xfd/0x700 net/ipv6/route.c:3616 addrconf_ifdown+0x14b/0x14f0 net/ipv6/addrconf.c:3595 addrconf_notify+0x5f8/0x2310 net/ipv6/addrconf.c:3519 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x32/0x70 net/core/dev.c:1696 call_netdevice_notifiers net/core/dev.c:1714 [inline] rollback_registered_many+0x8b5/0xe20 net/core/dev.c:7335 rollback_registered+0x1be/0x3c0 net/core/dev.c:7377 unregister_netdevice_queue+0x2e3/0x5f0 net/core/dev.c:8392 br_dev_delete+0x138/0x190 net/bridge/br_if.c:320 br_del_bridge+0xac/0xe0 net/bridge/br_if.c:421 br_ioctl_deviceless_stub+0x2ec/0xa00 net/bridge/br_ioctl.c:380 sock_ioctl+0x383/0x440 net/socket.c:1020 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007f3df6fedc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 0000000020dbc000 RSI: 00000000000089a1 RDI: 0000000000000013 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee0a0 R13: 00000000ffffffff R14: 00007f3df6fee6d4 R15: 0000000000000000 ============================= WARNING: suspicious RCU usage 4.15.0-rc5+ #178 Not tainted ----------------------------- net/ipv6/ip6_fib.c:1678 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 5 locks held by syz-executor5/11792: #0: (br_ioctl_mutex){+.+.}, at: [<00000000d70c3308>] sock_ioctl+0x367/0x440 net/socket.c:1018 #1: (rtnl_mutex){+.+.}, at: [<000000007cd79bdc>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 #2: (rcu_read_lock){....}, at: [<00000000e1261f2f>] __fib6_clean_all+0x0/0x3a0 net/ipv6/ip6_fib.c:1562 #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] spin_lock_bh include/linux/spinlock.h:315 [inline] #3: (&(&tb->tb6_lock)->rlock){+.-.}, at: [<0000000062cc5b5c>] __fib6_clean_all+0x1d0/0x3a0 net/ipv6/ip6_fib.c:1957 #4: (&net->ipv6.fib6_walker_lock){++--}, at: [<00000000ddb04d40>] fib6_del_route net/ipv6/ip6_fib.c:1673 [inline] #4: (&net->ipv6.fib6_walker_lock){++--}, at: [<00000000ddb04d40>] fib6_del+0x935/0x11b0 net/ipv6/ip6_fib.c:1733 stack backtrace: CPU: 0 PID: 11792 Comm: syz-executor5 Not tainted 4.15.0-rc5+ #178 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:4585 fib6_del_route net/ipv6/ip6_fib.c:1677 [inline] fib6_del+0xeb3/0x11b0 net/ipv6/ip6_fib.c:1733 fib6_clean_node+0x42e/0x580 net/ipv6/ip6_fib.c:1894 fib6_walk_continue+0x46c/0x8a0 net/ipv6/ip6_fib.c:1817 fib6_walk+0x91/0xf0 net/ipv6/ip6_fib.c:1865 fib6_clean_tree+0x1e6/0x340 net/ipv6/ip6_fib.c:1942 __fib6_clean_all+0x1f4/0x3a0 net/ipv6/ip6_fib.c:1958 fib6_clean_all+0x27/0x30 net/ipv6/ip6_fib.c:1969 rt6_sync_down_dev net/ipv6/route.c:3611 [inline] rt6_disable_ip+0xfd/0x700 net/ipv6/route.c:3616 addrconf_ifdown+0x14b/0x14f0 net/ipv6/addrconf.c:3595 addrconf_notify+0x5f8/0x2310 net/ipv6/addrconf.c:3519 notifier_call_chain+0x136/0x2c0 kernel/notifier.c:93 __raw_notifier_call_chain kernel/notifier.c:394 [inline] raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401 call_netdevice_notifiers_info+0x32/0x70 net/core/dev.c:1696 call_netdevice_notifiers net/core/dev.c:1714 [inline] rollback_registered_many+0x8b5/0xe20 net/core/dev.c:7335 rollback_registered+0x1be/0x3c0 net/core/dev.c:7377 unregister_netdevice_queue+0x2e3/0x5f0 net/core/dev.c:8392 br_dev_delete+0x138/0x190 net/bridge/br_if.c:320 br_del_bridge+0xac/0xe0 net/bridge/br_if.c:421 br_ioctl_deviceless_stub+0x2ec/0xa00 net/bridge/br_ioctl.c:380 sock_ioctl+0x383/0x440 net/socket.c:1020 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007f3df6fedc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 0000000020dbc000 RSI: 00000000000089a1 RDI: 0000000000000013 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee0a0 R13: 00000000ffffffff R14: 00007f3df6fee6d4 R15: 0000000000000000 nla_parse: 17 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. device lo entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12348 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=12348 comm=syz-executor5 netlink: 14 bytes leftover after parsing attributes in process `syz-executor7'. openvswitch: netlink: Flow key attr not present in new flow. netlink: 14 bytes leftover after parsing attributes in process `syz-executor7'. openvswitch: netlink: Flow key attr not present in new flow. netlink: 'syz-executor7': attribute type 27 has an invalid length. netlink: 'syz-executor7': attribute type 27 has an invalid length. netlink: 14 bytes leftover after parsing attributes in process `syz-executor6'. tc_dump_action: action bad kind netlink: 14 bytes leftover after parsing attributes in process `syz-executor6'. tc_dump_action: action bad kind netlink: 'syz-executor2': attribute type 10 has an invalid length. netlink: 'syz-executor2': attribute type 10 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=13126 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=13115 comm=syz-executor2 sctp: [Deprecated]: syz-executor3 (pid 13213) Use of int in maxseg socket option. Use struct sctp_assoc_value instead syz-executor7: vmalloc: allocation failure: 17179144504 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 0 PID: 13207 Comm: syz-executor7 Not tainted 4.15.0-rc5+ #178 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 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3299 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:704 do_replace net/ipv6/netfilter/ip6_tables.c:1167 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1693 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2872 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1821 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1800 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007fd50d477c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000014 RBP: 0000000000000583 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006f64e8 R13: 00000000ffffffff R14: 00007fd50d4786d4 R15: 0000000000000000 Mem-Info: active_anon:32482 inactive_anon:61 isolated_anon:0 active_file:4018 inactive_file:8328 isolated_file:0 unevictable:0 dirty:125 writeback:0 unstable:0 slab_reclaimable:9319 slab_unreclaimable:88354 mapped:23460 shmem:68 pagetables:703 bounce:0 free:1455590 free_pcp:301 free_cma:0 Node 0 active_anon:129928kB inactive_anon:244kB active_file:16072kB inactive_file:33312kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:93840kB dirty:500kB writeback:0kB shmem:272kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 26624kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 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 kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2874 6386 6386 Node 0 DMA32 free:2945812kB min:30348kB low:37932kB high:45516kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2946452kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:640kB local_pcp:640kB free_cma:0kB lowmem_reserve[]: 0 0 3511 3511 Node 0 Normal free:2860640kB min:37068kB low:46332kB high:55596kB active_anon:129928kB inactive_anon:244kB active_file:16072kB inactive_file:33312kB unevictable:0kB writepending:500kB present:4718592kB managed:3596136kB mlocked:0kB kernel_stack:4704kB pagetables:2812kB bounce:0kB free_pcp:564kB local_pcp:452kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 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 DMA32: 5*4kB (M) 4*8kB (M) 4*16kB (M) 3*32kB (M) 3*64kB (M) 3*128kB (M) 4*256kB (M) 2*512kB (M) 2*1024kB (M) 2*2048kB (M) 717*4096kB (M) = 2945812kB Node 0 Normal: 66*4kB (ME) 625*8kB (UME) 761*16kB (UM) 562*32kB (UME) 265*64kB (UME) 106*128kB (UME) 41*256kB (UME) 12*512kB (UM) 11*1024kB (UME) 9*2048kB (UME) 671*4096kB (UM) = 2860704kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 12413 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 326355 pages reserved syz-executor7: vmalloc: allocation failure: 17179144504 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 1 PID: 13229 Comm: syz-executor7 Not tainted 4.15.0-rc5+ #178 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 warn_alloc+0x19a/0x2b0 mm/page_alloc.c:3299 __vmalloc_node_range+0x4f0/0x650 mm/vmalloc.c:1775 __vmalloc_node mm/vmalloc.c:1804 [inline] __vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1826 kvmalloc_node+0x82/0xd0 mm/util.c:406 kvmalloc include/linux/mm.h:541 [inline] kvmalloc_array include/linux/mm.h:557 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:704 do_replace net/ipv6/netfilter/ip6_tables.c:1167 [inline] do_ip6t_set_ctl+0x370/0x5f0 net/ipv6/netfilter/ip6_tables.c:1693 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:928 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2872 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978 SYSC_setsockopt net/socket.c:1821 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1800 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007fd50d435c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fd50d436700 RCX: 0000000000452ac9 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000016 RBP: 0000000000a2f870 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a2f7ef R14: 00007fd50d4369c0 R15: 000000000000000e sctp: [Deprecated]: syz-executor3 (pid 13228) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor4 (pid 13260) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor4 (pid 13266) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=13504 comm=syz-executor1