unregister_netdevice: waiting for ip6tnl0 to become free. Usage count = 7 syz-executor7: page allocation failure: order:4, mode:0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 1 PID: 31735 Comm: syz-executor7 Not tainted 4.18.0-rc5+ #29 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+0x185/0x1e0 lib/dump_stack.c:113 warn_alloc+0x459/0x6d0 mm/page_alloc.c:3435 __alloc_pages_slowpath mm/page_alloc.c:4305 [inline] __alloc_pages_nodemask+0x615c/0x6320 mm/page_alloc.c:4398 __alloc_pages include/linux/gfp.h:458 [inline] __alloc_pages_node include/linux/gfp.h:471 [inline] alloc_pages_node include/linux/gfp.h:485 [inline] alloc_thread_stack_node kernel/fork.c:241 [inline] dup_task_struct kernel/fork.c:783 [inline] copy_process+0x7ca/0xa250 kernel/fork.c:1642 _do_fork+0x390/0x1000 kernel/fork.c:2100 __do_sys_clone kernel/fork.c:2207 [inline] __se_sys_clone kernel/fork.c:2201 [inline] __x64_sys_clone+0x15e/0x1b0 kernel/fork.c:2201 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x4592e9 Code: ff 48 85 f6 0f 84 67 8b fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c 3e 8b fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 RSP: 002b:00007ffe7990d468 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f06e964a000 RCX: 00000000004592e9 RDX: 0000000000000000 RSI: 0000000000a3ffb0 RDI: 0000000030000000 RBP: 000000000072c908 R08: 0000000000000000 R09: 0000000000000000 R10: badc0ffeebadface R11: 0000000000000202 R12: 00000000004122b0 R13: 0000000000412340 R14: 0000000000000000 R15: 0000000000000000 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:26954 inactive_anon:84 isolated_anon:0 active_file:1742 inactive_file:4105 isolated_file:32 unevictable:0 dirty:52 writeback:0 unstable:0 slab_reclaimable:3406 slab_unreclaimable:12113 mapped:71122 shmem:124 pagetables:757 bounce:0 free:29739 free_pcp:161 free_cma:0 Node 0 active_anon:107816kB inactive_anon:336kB active_file:6968kB inactive_file:12964kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:281008kB dirty:208kB writeback:0kB shmem:496kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 28672kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15904kB min:144kB low:180kB high:216kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15904kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2812 7238 7238 Node 0 DMA32 free:51024kB min:26204kB low:32752kB high:39300kB active_anon:30220kB inactive_anon:36kB active_file:56kB inactive_file:16kB unevictable:0kB writepending:4kB present:3129292kB managed:2885376kB mlocked:0kB kernel_stack:1664kB pagetables:428kB bounce:0kB free_pcp:16kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 4425 4425 Node 0 Normal free:63620kB min:41232kB low:51540kB high:61848kB active_anon:77596kB inactive_anon:300kB active_file:6148kB inactive_file:6052kB unevictable:0kB writepending:204kB present:4718592kB managed:4532216kB mlocked:0kB kernel_stack:9280kB pagetables:2600kB bounce:0kB free_pcp:684kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 0*4kB 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) = 15904kB Node 0 DMA32: 416*4kB (UM) 746*8kB (UM) 304*16kB (UM) 104*32kB (M) 61*64kB (M) 37*128kB (UM) 19*256kB (UM) 7*512kB (UM) 0*1024kB 3*2048kB (H) 3*4096kB (H) = 51344kB Node 0 Normal: 851*4kB (ME) 958*8kB (UME) 334*16kB (UME) 203*32kB (ME) 100*64kB (UME) 48*128kB (UME) 43*256kB (UE) 14*512kB (UM) 3*1024kB (M) 3*2048kB (UMH) 1*4096kB (H) = 66940kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2431 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 107595 pages reserved IPVS: ftp: loaded support on port[0] = 21 xprt_adjust_timeout: rq_timeout = 0! xprt_adjust_timeout: rq_timeout = 0! netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. syz-executor7: page allocation failure: order:4, mode:0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null) syz-executor7 cpuset=/ mems_allowed=0 CPU: 0 PID: 31815 Comm: syz-executor7 Not tainted 4.18.0-rc5+ #29 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+0x185/0x1e0 lib/dump_stack.c:113 warn_alloc+0x459/0x6d0 mm/page_alloc.c:3435 __alloc_pages_slowpath mm/page_alloc.c:4305 [inline] __alloc_pages_nodemask+0x615c/0x6320 mm/page_alloc.c:4398 __alloc_pages include/linux/gfp.h:458 [inline] __alloc_pages_node include/linux/gfp.h:471 [inline] alloc_pages_node include/linux/gfp.h:485 [inline] alloc_thread_stack_node kernel/fork.c:241 [inline] dup_task_struct kernel/fork.c:783 [inline] copy_process+0x7ca/0xa250 kernel/fork.c:1642 _do_fork+0x390/0x1000 kernel/fork.c:2100 __do_sys_clone kernel/fork.c:2207 [inline] __se_sys_clone kernel/fork.c:2201 [inline] __x64_sys_clone+0x15e/0x1b0 kernel/fork.c:2201 do_syscall_64+0x15b/0x230 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x4592e9 Code: ff 48 85 f6 0f 84 67 8b fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c 3e 8b fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 RSP: 002b:00007ffdba9b5108 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fe3c6d7f000 RCX: 00000000004592e9 RDX: 0000000000000000 RSI: 0000000000a3ffb0 RDI: 0000000030000000 RBP: 000000000072c908 R08: 0000000000000000 R09: 0000000000000000 R10: badc0ffeebadface R11: 0000000000000202 R12: 00000000004122b0 R13: 0000000000412340 R14: 0000000000000000 R15: 0000000000000000 Mem-Info: active_anon:26946 inactive_anon:84 isolated_anon:0 active_file:2007 inactive_file:3059 isolated_file:0 unevictable:0 dirty:43 writeback:0 unstable:0 slab_reclaimable:3406 slab_unreclaimable:12250 mapped:70362 shmem:124 pagetables:768 bounce:0 free:29245 free_pcp:210 free_cma:0 Node 0 active_anon:107784kB inactive_anon:336kB active_file:6956kB inactive_file:10828kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:279012kB dirty:172kB writeback:0kB shmem:496kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 28672kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15904kB min:144kB low:180kB high:216kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15904kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2812 7238 7238 Node 0 DMA32 free:50164kB min:26204kB low:32752kB high:39300kB active_anon:30180kB inactive_anon:40kB active_file:148kB inactive_file:84kB unevictable:0kB writepending:4kB present:3129292kB managed:2885376kB mlocked:0kB kernel_stack:1664kB pagetables:336kB bounce:0kB free_pcp:112kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 4425 4425 Node 0 Normal free:60488kB min:41232kB low:51540kB high:61848kB active_anon:77604kB inactive_anon:296kB active_file:2656kB inactive_file:7992kB unevictable:0kB writepending:168kB present:4718592kB managed:4532216kB mlocked:0kB kernel_stack:9408kB pagetables:2736kB bounce:0kB free_pcp:740kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 0*4kB 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) = 15904kB Node 0 DMA32: 214*4kB (UM) 745*8kB (UM) 304*16kB (UM) 104*32kB (UM) 60*64kB (UM) 37*128kB (UM) 18*256kB (UM) 6*512kB (UM) 0*1024kB 3*2048kB (H) 3*4096kB (H) = 49696kB Node 0 Normal: 1205*4kB (UME) 1017*8kB (UME) 303*16kB (UME) 155*32kB (UME) 83*64kB (UME) 54*128kB (UME) 44*256kB (UME) 10*512kB (UM) 4*1024kB (UM) 3*2048kB (MH) 1*4096kB (H) = 65708kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 1576 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 107595 pages reserved