BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 58s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 pending: check_corruption, vmstat_shepherd, cache_reap workqueue events_long: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=31/256 pending: br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 in-flight: 26332:call_usermodehelper_exec_work workqueue events_power_efficient: flags=0x80 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 pending: neigh_periodic_work, do_cache_clean workqueue mm_percpu_wq: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 pending: vmstat_update pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=14 idle: 21 26352 4818 26302 26283 151 10811 21044 26343 26296 3428 26340 26346 selinux_nlmsg_perm: 4 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=28238 comm=syz-executor2 nla_parse: 26 callbacks suppressed netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. device syz5 entered promiscuous mode device syz5 left promiscuous mode netlink: 16 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47729 sclass=netlink_route_socket pig=28435 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=47729 sclass=netlink_route_socket pig=28455 comm=syz-executor4 sctp: [Deprecated]: syz-executor0 (pid 28486) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. sctp: [Deprecated]: syz-executor0 (pid 28486) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. sctp: [Deprecated]: syz-executor1 (pid 28516) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 28486) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 28486) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=28522 comm=syz-executor5 netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=28629 comm=syz-executor2 PF_BRIDGE: br_mdb_parse() with unknown ifindex PF_BRIDGE: br_mdb_parse() with unknown ifindex SELinux: unrecognized netlink message: protocol=0 nlmsg_type=48315 sclass=netlink_route_socket pig=28698 comm=syz-executor6 device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=28735 comm=syz-executor6 device lo left promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=28842 comm=syz-executor4 device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode SELinux: unrecognized netlink message: protocol=9 nlmsg_type=24 sclass=netlink_audit_socket pig=29016 comm=syz-executor1 RDS: rds_bind could not find a transport for 0.0.0.3, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=9 nlmsg_type=47 sclass=netlink_audit_socket pig=29016 comm=syz-executor1 RDS: rds_bind could not find a transport for 0.0.0.3, load rds_tcp or rds_rdma? sctp: [Deprecated]: syz-executor2 (pid 29163) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 29166) Use of int in maxseg socket option. Use struct sctp_assoc_value instead RDS: rds_bind could not find a transport for 172.20.5.187, load rds_tcp or rds_rdma? syz-executor3: vmalloc: allocation failure: 17179390264 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 0 PID: 29259 Comm: syz-executor3 Not tainted 4.14.0-rc8+ #116 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+0x1c2/0x2f0 mm/page_alloc.c:3254 __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:530 [inline] kvmalloc_array include/linux/mm.h:546 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x345/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 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:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2873 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2969 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452879 RSP: 002b:00007fbcaad38be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452879 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000014 RBP: 00000000000005a3 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006f67e8 R13: 00000000ffffffff R14: 00007fbcaad396d4 R15: 0000000000000000 warn_alloc_show_mem: 3 callbacks suppressed Mem-Info: active_anon:71690 inactive_anon:32 isolated_anon:0 active_file:4654 inactive_file:6311 isolated_file:0 unevictable:0 dirty:211 writeback:0 unstable:0 slab_reclaimable:5776 slab_unreclaimable:108057 mapped:21784 shmem:39 pagetables:788 bounce:0 free:1402815 free_pcp:441 free_cma:0 Node 0 active_anon:295364kB inactive_anon:128kB active_file:18616kB inactive_file:25244kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:87136kB dirty:844kB writeback:0kB shmem:156kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 49152kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no syz-executor3: vmalloc: allocation failure: 17179390264 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 0 PID: 29278 Comm: syz-executor3 Not tainted 4.14.0-rc8+ #116 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+0x1c2/0x2f0 mm/page_alloc.c:3254 __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:530 [inline] kvmalloc_array include/linux/mm.h:546 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x345/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 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:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2873 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2969 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452879 RSP: 002b:00007fbcaacf6be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758190 RCX: 0000000000452879 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000015 RBP: 0000000000000153 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006f0068 R13: 00000000ffffffff R14: 00007fbcaacf76d4 R15: 0000000000000015 syz-executor3: vmalloc: allocation failure: 17179390264 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 1 PID: 29278 Comm: syz-executor3 Not tainted 4.14.0-rc8+ #116 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+0x1c2/0x2f0 mm/page_alloc.c:3254 __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:530 [inline] kvmalloc_array include/linux/mm.h:546 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x345/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 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:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2873 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2969 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452879 RSP: 002b:00007fbcaacf6be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758190 RCX: 0000000000452879 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000017 RBP: 0000000000000153 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006f0068 R13: 00000000ffffffff R14: 00007fbcaacf76d4 R15: 0000000000000015 syz-executor3: vmalloc: allocation failure: 17179390264 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 1 PID: 29290 Comm: syz-executor3 Not tainted 4.14.0-rc8+ #116 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+0x1c2/0x2f0 mm/page_alloc.c:3254 __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:530 [inline] kvmalloc_array include/linux/mm.h:546 [inline] xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774 translate_table+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:705 do_replace net/ipv6/netfilter/ip6_tables.c:1168 [inline] do_ip6t_set_ctl+0x345/0x5c0 net/ipv6/netfilter/ip6_tables.c:1694 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:927 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2873 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2969 SYSC_setsockopt net/socket.c:1852 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1831 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x452879 RSP: 002b:00007fbcaacd5be8 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758248 RCX: 0000000000452879 RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000015 RBP: 00000000000005a3 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020001fde R11: 0000000000000212 R12: 00000000006f67e8 R13: 00000000ffffffff R14: 00007fbcaacd66d4 R15: 000000000000001b 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 2884 6397 6397 Node 0 DMA32 free:2946388kB min:30396kB low:37992kB high:45588kB active_anon:4kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2956164kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:728kB local_pcp:652kB free_cma:0kB lowmem_reserve[]: 0 0 3513 3513 Node 0 Normal free:2669572kB min:37020kB low:46272kB high:55524kB active_anon:258776kB inactive_anon:128kB active_file:18612kB inactive_file:25272kB unevictable:0kB writepending:900kB present:4718592kB managed:3597452kB mlocked:0kB kernel_stack:4320kB pagetables:2828kB bounce:0kB free_pcp:1132kB local_pcp:556kB 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: 13*4kB (UM) 1078*8kB (UM) 1047*16kB (UM) 1048*32kB (UM) 1044*64kB (UM) 692*128kB (UM) 484*256kB (UM) 14*512kB (UM) 12*1024kB (UM) 10*2048kB (UM) 627*4096kB (UM) = 2946388kB Node 0 Normal: 241*4kB (UM) 420*8kB (UME) 672*16kB (UME) 4064*32kB (UME) 2579*64kB (UME) 1593*128kB (UME) 894*256kB (UME) 401*512kB (UME) 109*1024kB (UME) 96*2048kB (UME) 345*4096kB (UM) = 2669604kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 11016 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 323598 pages reserved sctp: [Deprecated]: syz-executor7 (pid 29395) Use of int in max_burst socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor7 (pid 29416) Use of int in max_burst socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 29514) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 29548) Use of int in maxseg socket option. Use struct sctp_assoc_value instead RDS: rds_bind could not find a transport for 172.20.3.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.3.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 0.0.16.255, load rds_tcp or rds_rdma? selinux_nlmsg_perm: 10 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3084 sclass=netlink_route_socket pig=29827 comm=syz-executor2 sctp: [Deprecated]: syz-executor7 (pid 29824) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead RDS: rds_bind could not find a transport for 0.0.0.6, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3084 sclass=netlink_route_socket pig=29830 comm=syz-executor2 RDS: rds_bind could not find a transport for 0.0.0.6, load rds_tcp or rds_rdma? sctp: [Deprecated]: syz-executor7 (pid 29824) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead device syz3 entered promiscuous mode nla_parse: 18 callbacks suppressed netlink: 17 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor5'. sctp: [Deprecated]: syz-executor7 (pid 29958) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor7 (pid 29985) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead lo: Invalid MTU -16646140 requested, hw min 0 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=7 sclass=netlink_tcpdiag_socket pig=30067 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=0 sclass=netlink_tcpdiag_socket pig=30067 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=7 sclass=netlink_tcpdiag_socket pig=30070 comm=syz-executor4