================================================================== BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801c6236430 BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801c6236430 BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801c6236430 BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801c6236430 BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801c6236430 BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801c6236430 Read of size 8 by task syz-executor1/11420 CPU: 1 PID: 11420 Comm: syz-executor1 Not tainted 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d157fd88 ffffffff81d90429 ffff8801da155140 ffff8801c62363e0 ffff8801c6236498 ffffed0038c46c86 ffff8801c6236430 ffff8801d157fdb0 ffffffff8153a3ac ffffed0038c46c86 ffff8801da155140 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160 [] print_address_description mm/kasan/report.c:198 [inline] [] kasan_report_error mm/kasan/report.c:287 [inline] [] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309 [] kasan_report mm/kasan/report.c:330 [inline] [] __asan_report_load8_noabort+0x29/0x30 mm/kasan/report.c:330 [] __read_once_size include/linux/compiler.h:243 [inline] [] atomic_read arch/x86/include/asm/atomic.h:26 [inline] [] static_key_count include/linux/jump_label.h:174 [inline] [] static_key_false include/linux/jump_label.h:184 [inline] [] perf_sw_event include/linux/perf_event.h:1039 [inline] [] __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 Object at ffff8801c62363e0, in cache vm_area_struct size: 184 Allocated: PID = 11420 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 set_track mm/kasan/kasan.c:507 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:598 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:537 slab_post_alloc_hook mm/slab.h:417 [inline] slab_alloc_node mm/slub.c:2715 [inline] slab_alloc mm/slub.c:2723 [inline] kmem_cache_alloc+0xba/0x290 mm/slub.c:2728 kmem_cache_zalloc include/linux/slab.h:626 [inline] mmap_region+0x587/0xfd0 mm/mmap.c:1662 do_mmap+0x57b/0xbe0 mm/mmap.c:1473 do_mmap_pgoff include/linux/mm.h:2018 [inline] vm_mmap_pgoff+0x16b/0x1b0 mm/util.c:305 SYSC_mmap_pgoff mm/mmap.c:1523 [inline] SyS_mmap_pgoff+0xd0/0x560 mm/mmap.c:1481 SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86 entry_SYSCALL_64_fastpath+0x23/0xc6 Freed: PID = 11427 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57 save_stack+0x43/0xd0 mm/kasan/kasan.c:495 set_track mm/kasan/kasan.c:507 [inline] kasan_slab_free+0x73/0xc0 mm/kasan/kasan.c:571 slab_free_hook mm/slub.c:1355 [inline] slab_free_freelist_hook mm/slub.c:1377 [inline] slab_free mm/slub.c:2958 [inline] kmem_cache_free+0xb2/0x2e0 mm/slub.c:2980 remove_vma+0x11d/0x160 mm/mmap.c:175 remove_vma_list mm/mmap.c:2482 [inline] do_munmap+0x7ff/0xeb0 mm/mmap.c:2705 mmap_region+0x14d/0xfd0 mm/mmap.c:1635 do_mmap+0x57b/0xbe0 mm/mmap.c:1473 do_mmap_pgoff include/linux/mm.h:2018 [inline] vm_mmap_pgoff+0x16b/0x1b0 mm/util.c:305 SYSC_mmap_pgoff mm/mmap.c:1523 [inline] SyS_mmap_pgoff+0xd0/0x560 mm/mmap.c:1481 SYSC_mmap arch/x86/kernel/sys_x86_64.c:95 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:86 entry_SYSCALL_64_fastpath+0x23/0xc6 Memory state around the buggy address: ffff8801c6236300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801c6236380: fb fb fb fb fc fc fc fc fc fc fc fc fb fb fb fb >ffff8801c6236400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801c6236480: fb fb fb fc fc fc fc fc fc fc fc fb fb fb fb fb ffff8801c6236500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== netlink: 4 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. IPv6: Can't replace route, no match found netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. binder: 11503:11508 ioctl 4b44 20ad2000 returned -22 binder: 11503:11516 ioctl 4b44 20ad2000 returned -22 binder: 11545:11547 ioctl 4b44 20ad2000 returned -22 binder: 11543:11548 ioctl 4b44 20ad2000 returned -22 binder: 11543:11548 ioctl 4b44 20ad2000 returned -22 binder: 11553:11555 ioctl 400454d4 200f3ffc returned -22 binder: 11545:11558 ioctl 4b44 20ad2000 returned -22 device lo entered promiscuous mode device lo left promiscuous mode binder: 11553:11584 ioctl 400454d4 200f3ffc returned -22 netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route IPv6: NLM_F_CREATE should be set when creating new route binder: 11589:11595 ioctl 4b44 20ad2000 returned -22 device lo entered promiscuous mode device lo left promiscuous mode binder: 11626:11627 ioctl 400454d4 200f3ffc returned -22 netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE binder: 11589:11637 ioctl 4b44 20ad2000 returned -22 IPv6: NLM_F_CREATE should be set when creating new route IPv6: NLM_F_CREATE should be set when creating new route binder: 11626:11645 ioctl 400454d4 200f3ffc returned -22 binder: 11657:11663 ioctl 4b44 20ad2000 returned -22 binder: 11657:11677 ioctl 4b44 20ad2000 returned -22 binder: 11696:11699 ioctl 4b44 20ad2000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=11707 comm=syz-executor2 Option 'Þ¾š„'' to dns_resolver key: bad/missing value binder: 11706:11707 ioctl 40082404 20000ff8 returned -22 binder: 11706:11707 ioctl 4b48 20000000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=11707 comm=syz-executor2 ?: renamed from tunl0 Option 'Þ¾š„'' to dns_resolver key: bad/missing value binder: 11696:11699 ioctl 4b44 20ad2000 returned -22 binder: 11706:11716 ioctl 40082404 20000ff8 returned -22 binder: 11706:11707 ioctl 4b48 20000000 returned -22 binder: 11753:11756 ioctl 4b44 20ad2000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=11770 comm=syz-executor1 binder: 11753:11766 ioctl 4b44 20ad2000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pig=11770 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11770 comm=syz-executor1 binder: 11792:11793 ioctl 4b44 20ad2000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=5 sclass=netlink_route_socket pig=11779 comm=syz-executor1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pig=11770 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=11770 comm=syz-executor1 binder: 11792:11807 ioctl 4b44 20ad2000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=11818 comm=syz-executor2 netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=11819 comm=syz-executor3 Option 'Þ¾š„'' to dns_resolver key: bad/missing value binder: 11821:11822 ioctl 4b44 20ad2000 returned -22 binder: 11823:11825 ioctl 4b44 20ad2000 returned -22 Option 'Þ¾š„'' to dns_resolver key: bad/missing value binder: 11815:11819 ioctl 40082404 20000ff8 returned -22 binder: 11815:11819 ioctl 4b48 20000000 returned -22 device lo entered promiscuous mode Option 'Þ¾š„'' to dns_resolver key: bad/missing value device lo left promiscuous mode binder: 11821:11843 ioctl 4b44 20ad2000 returned -22 binder: 11823:11839 ioctl 4b44 20ad2000 returned -22 binder: 11815:11835 ioctl 40082404 20000ff8 returned -22 binder: 11815:11819 ioctl 4b48 20000000 returned -22 device lo entered promiscuous mode device lo left promiscuous mode binder: 11812:11826 ioctl 40082404 20000ff8 returned -22 binder: 11812:11826 ioctl 4b48 20000000 returned -22 binder: 11857:11863 ioctl 4b44 20ad2000 returned -22 binder: 11855:11862 ioctl 4b44 20ad2000 returned -22 Option 'Þ¾š„'' to dns_resolver key: bad/missing value binder: 11812:11826 ioctl 40082404 20000ff8 returned -22 binder: 11857:11874 ioctl 4b44 20ad2000 returned -22 binder: 11855:11877 ioctl 4b44 20ad2000 returned -22 binder: 11812:11818 ioctl 4b48 20000000 returned -22 binder: 11891:11893 ioctl 4b44 20ad2000 returned -22 binder: 11891:11897 ioctl 4b44 20ad2000 returned -22 binder: 11903:11904 ioctl 4b44 20ad2000 returned -22 binder: 11903:11922 ioctl 4b44 20ad2000 returned -22 binder: 11939:11941 ioctl 4b44 20ad2000 returned -22 netlink: 13 bytes leftover after parsing attributes in process `syz-executor1'. binder: 11939:11954 ioctl 4b44 20ad2000 returned -22 binder: 11992:11997 ioctl 4b44 20ad2000 returned -22 binder: 11992:12009 ioctl 4b44 20ad2000 returned -22 binder: 12047:12053 ioctl 4b44 20ad2000 returned -22 binder: 12047:12061 ioctl 4b44 20ad2000 returned -22 binder: 12085:12087 ioctl 4b44 20ad2000 returned -22 binder: 12085:12102 ioctl 4b44 20ad2000 returned -22 binder: 12119:12121 ioctl 4b44 20ad2000 returned -22 binder: 12119:12129 ioctl 4b44 20ad2000 returned -22 syz-executor7: vmalloc: allocation failure: 17179869168 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 1 PID: 12181 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801aadaf880 ffffffff81d90429 1ffff100355b5f13 ffff8801cf741800 ffffffff83ab7d80 0000000000000001 0000000000400000 ffff8801aadaf990 ffffffff8144ead2 024000c28f850e50 0000000041b58ab3 ffffffff8419115d Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3054 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x21a/0x1e30 net/ipv4/netfilter/ip_tables.c:700 [] do_replace net/ipv4/netfilter/ip_tables.c:1151 [inline] [] do_ipt_set_ctl+0x2be/0x470 net/ipv4/netfilter/ip_tables.c:1687 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1243 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2736 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1771 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1750 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Mem-Info: active_anon:75744 inactive_anon:37 isolated_anon:0 active_file:3710 inactive_file:6519 isolated_file:0 unevictable:0 dirty:79 writeback:0 unstable:0 slab_reclaimable:5050 slab_unreclaimable:24412 mapped:22735 shmem:180 pagetables:690 bounce:0 free:1492785 free_pcp:402 free_cma:0 Node 0 active_anon:302976kB inactive_anon:148kB active_file:14840kB inactive_file:26088kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:90940kB dirty:316kB writeback:0kB shmem:720kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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 slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2910 6411 6411 DMA32 free:2981144kB min:30600kB low:38248kB high:45896kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2981844kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:700kB local_pcp:652kB free_cma:0kB lowmem_reserve[]: 0 0 3501 3501 Normal free:2974200kB min:36816kB low:46020kB high:55224kB active_anon:303000kB inactive_anon:148kB active_file:14840kB inactive_file:26096kB unevictable:0kB writepending:324kB present:4718592kB managed:3585220kB mlocked:0kB slab_reclaimable:20200kB slab_unreclaimable:97712kB kernel_stack:5536kB pagetables:2760kB bounce:0kB free_pcp:1060kB local_pcp:432kB free_cma:0kB lowmem_reserve[]: 0 0 0 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 DMA32: 2*4kB (M) 2*8kB (M) 2*16kB (M) 3*32kB (M) 4*64kB (M) 3*128kB (M) 2*256kB (M) 2*512kB (M) 1*1024kB (M) 2*2048kB (M) 726*4096kB (M) = 2981144kB Normal: 728*4kB (UME) 1431*8kB (UME) 946*16kB (UME) 711*32kB (UME) 1510*64kB (UME) 372*128kB (UME) 34*256kB (UME) 12*512kB (U) 4*1024kB (UE) 3*2048kB [ 69.222544] syz-executor7: vmalloc: allocation failure: 17179869168 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 12189 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d144f880 ffffffff81d90429 1ffff1003a289f13 ffff8801c70d1800 ffffffff83ab7d80 0000000000000001 0000000000400000 ffff8801d144f990 ffffffff8144ead2 024000c2cc0c7c41 0000000041b58ab3 ffffffff8419115dCall Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] warn_alloc+0x212/0x240 mm/page_alloc.c:3054 [] __vmalloc_node_range+0x3f5/0x5f0 mm/vmalloc.c:1722 [] __vmalloc_node mm/vmalloc.c:1744 [inline] [] __vmalloc_node_flags mm/vmalloc.c:1758 [inline] [] vmalloc+0x5b/0x70 mm/vmalloc.c:1773 [] xt_alloc_entry_offsets+0x41/0x60 net/netfilter/x_tables.c:722 [] translate_table+0x21a/0x1e30 net/ipv4/netfilter/ip_tables.c:700 [] do_replace net/ipv4/netfilter/ip_tables.c:1151 [inline] [] do_ipt_set_ctl+0x2be/0x470 net/ipv4/netfilter/ip_tables.c:1687 [] nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] [] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 [] ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1243 [] tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2736 [] sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2706 [] SYSC_setsockopt net/socket.c:1771 [inline] [] SyS_setsockopt+0x160/0x250 net/socket.c:1750 [] entry_SYSCALL_64_fastpath+0x23/0xc6 Mem-Info: active_anon:75750 inactive_anon:37 isolated_anon:0 active_file:3710 inactive_file:6525 isolated_file:0 unevictable:0 dirty:82 writeback:0 unstable:0 slab_reclaimable:5050 slab_unreclaimable:24439 mapped:22735 shmem:180 pagetables:690 bounce:0 free:1492797 free_pcp:433 free_cma:0 Node 0 active_anon:303000kB inactive_anon:148kB active_file:14840kB inactive_file:26100kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:90940kB dirty:328kB writeback:0kB shmem:720kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB pages_scanned:0 all_unreclaimable? no 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 slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB 0 2910 6411 6411DMA32 free:2981144kB min:30600kB low:38248kB high:45896kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2981844kB mlocked:0kB slab_reclaimable:0kB slab_unreclaimable:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:700kB local_pcp:48kB free_cma:0kB 0 0 3501 3501Normal free:2974136kB min:36816kB low:46020kB high:55224kB active_anon:303000kB inactive_anon:148kB active_file:14840kB inactive_file:26100kB unevictable:0kB writepending:328kB present:4718592kB managed:3585220kB mlocked:0kB slab_reclaimable:20200kB slab_unreclaimable:97756kB kernel_stack:5600kB pagetables:2760kB bounce:0kB free_pcp:1032kB local_pcp:600kB free_cma:0kB 0 0 0 0DMA: 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 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 10414 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 320236 pages reserved binder: 12198:12202 ioctl 541c 20647000 returned -22 binder: 12198:12202 ioctl 8955 20a1e000 returned -22 binder: 12198:12226 ioctl 541c 20647000 returned -22 binder: 12198:12226 ioctl 8955 20a1e000 returned -22 (UM) 672*4096kB (UM) = 2974104kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 10414 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 320236 pages reserved tmpfs: No value for mount option '‹¶K"WöËO¢©S£d€Yl®' device gre0 entered promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 12496 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d9b479b0 ffffffff81d90429 ffff8801d9b47c90 0000000000000000 ffff8801d5b97910 ffff8801d9b47b80 ffff8801d5b97800 ffff8801d9b47ba8 ffffffff8165e3c7 0000000000000001 ffff8801d9b47b00 00000001ccdac067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_memfd_create mm/shmem.c:3498 [inline] [] SyS_memfd_create+0x37/0x2f0 mm/shmem.c:3484 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 12483 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d1adf900 ffffffff81d90429 ffff8801d1adfbe0 0000000000000000 ffff8801d5b97910 ffff8801d1adfad0 ffff8801d5b97800 ffff8801d1adfaf8 ffffffff8165e3c7 ffff880100000000 ffff8801d1adfa50 00000001ccdac067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] SYSC_seccomp kernel/seccomp.c:809 [inline] [] SyS_seccomp+0x24/0x30 kernel/seccomp.c:806 [] entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 0 PID: 12532 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d5ef7830 ffffffff81d90429 ffff8801d5ef7b10 0000000000000000 ffff8801d5b97910 ffff8801d5ef7a00 ffff8801d5b97800 ffff8801d5ef7a28 ffffffff8165e3c7 0000000000000000 ffff8801d5ef7980 00000001ccdac067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 FAULT_FLAG_ALLOW_RETRY missing 30 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] move_addr_to_kernel net/socket.c:1568 [inline] [] SYSC_connect+0x288/0x310 net/socket.c:1553 [] SyS_connect+0x24/0x30 net/socket.c:1543 [] entry_SYSCALL_64_fastpath+0x23/0xc6 CPU: 1 PID: 12515 Comm: syz-executor7 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a8a27960 ffffffff81d90429 ffff8801a8a27c40 0000000000000000 ffff8801d5b97910 ffff8801a8a27b30 ffff8801d5b97800 ffff8801a8a27b58 ffffffff8165e3c7 ffff8801d90e8000 0000000000000000 0000000000000000 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] entry_SYSCALL_64_fastpath+0x23/0xc6 device gre0 entered promiscuous mode nla_parse: 1 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor7'. device gre0 entered promiscuous mode netlink: 9 bytes leftover after parsing attributes in process `syz-executor2'. A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. IPVS: Creating netns size=2536 id=20 IPVS: Creating netns size=2536 id=21 pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads pktgen: kernel_thread() failed for cpu 0 pktgen: Cannot create thread for cpu 0 (-4) pktgen: kernel_thread() failed for cpu 1 pktgen: Cannot create thread for cpu 1 (-4) pktgen: Initialization failed for all threads device gre0 entered promiscuous mode FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 13163 Comm: syz-executor3 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 sg_write: data in/out 65498/34 bytes for SCSI command 0xfe-- guessing data in; program syz-executor7 not setting count and/or reply_len properly ffff8801d1b7f830 ffffffff81d90429 ffff8801d1b7fb10 0000000000000000 ffff8801ad100d10 ffff8801d1b7fa00 ffff8801ad100c00 ffff8801d1b7fa28 ffffffff8165e3c7 ffff8801db221400 ffff8801d1b7f980 00000001c85ef067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] move_addr_to_kernel net/socket.c:1568 [inline] [] SYSC_connect+0x288/0x310 net/socket.c:1553 [] SyS_connect+0x24/0x30 net/socket.c:1543 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 13163 Comm: syz-executor3 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801d1b7f830 ffffffff81d90429 ffff8801d1b7fb10 0000000000000000 ffff8801d5b97c10 ffff8801d1b7fa00 ffff8801d5b97b00 ffff8801d1b7fa28 ffffffff8165e3c7 ffff8801db321400 ffff8801d1b7f980 00000001c6135067 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x128 lib/dump_stack.c:51 [] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323 [] do_anonymous_page mm/memory.c:2747 [inline] [] handle_pte_fault mm/memory.c:3488 [inline] [] __handle_mm_fault mm/memory.c:3577 [inline] [] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614 [] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012 [] move_addr_to_kernel net/socket.c:1568 [inline] [] SYSC_connect+0x288/0x310 net/socket.c:1553 [] SyS_connect+0x24/0x30 net/socket.c:1543 [] entry_SYSCALL_64_fastpath+0x23/0xc6 sg_write: data in/out 65498/34 bytes for SCSI command 0xfe-- guessing data in; program syz-executor2 not setting count and/or reply_len properly sg_write: data in/out 65498/34 bytes for SCSI command 0xfe-- guessing data in; program syz-executor7 not setting count and/or reply_len properly sg_write: data in/out 392925/816 bytes for SCSI command 0x0-- guessing data in; program syz-executor7 not setting count and/or reply_len properly sg_write: data in/out 65498/34 bytes for SCSI command 0xfe-- guessing data in; program syz-executor2 not setting count and/or reply_len properly binder: 13422:13433 ioctl c020aa00 20000ed9 returned -22 binder: 13422:13433 ioctl c020aa00 20000ed9 returned -22