device lo left promiscuous mode ================================================================== BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801a9dbbce8 BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801a9dbbce8 BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801a9dbbce8 BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801a9dbbce8 BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801a9dbbce8 BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801a9dbbce8 Read of size 8 by task syz-executor7/14661 CPU: 1 PID: 14661 Comm: syz-executor7 Not tainted 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a72afd88 ffffffff81d90429 ffff8801da155140 ffff8801a9dbbc98 ffff8801a9dbbd50 ffffed00353b779d ffff8801a9dbbce8 ffff8801a72afdb0 ffffffff8153a3ac ffffed00353b779d 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 ffff8801a9dbbc98, in cache vm_area_struct size: 184 Allocated: PID = 14661 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 = 14674 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: ffff8801a9dbbb80: fc fc fc fc fb fb fb fb fb fb fb fb fb fb fb fb ffff8801a9dbbc00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc >ffff8801a9dbbc80: fc fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801a9dbbd00: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc ffff8801a9dbbd80: fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== device lo entered promiscuous mode device lo left promiscuous mode binder: 14862:14869 ioctl 8927 204dcfd8 returned -22 binder: 14862:14869 ioctl 89e0 208dd000 returned -22 binder: 14862:14869 ioctl 8927 204dcfd8 returned -22 binder: 14862:14869 ioctl 89e0 208dd000 returned -22 device sit0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 left promiscuous mode IPv6: NLM_F_REPLACE set, but no existing node found! IPv6: NLM_F_REPLACE set, but no existing node found! device lo entered promiscuous mode device lo left promiscuous mode 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 nla_parse: 19 callbacks suppressed netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. device lo entered promiscuous mode device lo left promiscuous mode netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. 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 sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor0 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15365 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=15423 comm=syz-executor2 Option 'Þ¾š„'' to dns_resolver key: bad/missing value SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=15423 comm=syz-executor2 Option 'Þ¾š„'' to dns_resolver key: bad/missing value SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=15478 comm=syz-executor5 Option 'Þ¾š„'' to dns_resolver key: bad/missing value device gre0 entered promiscuous mode device gre0 left promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=15478 comm=syz-executor5 Option 'Þ¾š„'' to dns_resolver key: bad/missing value device gre0 entered promiscuous mode device gre0 left promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. device gre0 entered promiscuous mode 9pnet_virtio: no channels available for device ./file0 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 15593 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 ffff8801d6c5f5d0 ffffffff81d90429 ffff8801d6c5f8b0 0000000000000000 ffff8801c523f610 ffff8801d6c5f7a0 ffff8801c523f500 ffff8801d6c5f7c8 ffffffff8165e3c7 0000000000000000 ffff8801d6c5f720 00000001d6d76067 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 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x1aa/0x1140 fs/ioctl.c:679 [] SYSC_ioctl fs/ioctl.c:694 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] entry_SYSCALL_64_fastpath+0x23/0xc6 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 15585 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 ffff8801a9d7f5d0 ffffffff81d90429 ffff8801a9d7f8b0 0000000000000000 ffff8801c523f610 ffff8801a9d7f7a0 ffff8801c523f500 ffff8801a9d7f7c8 ffffffff8165e3c7 1ffff100353afebe ffff8801a9d7f720 00000001d6d76067 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 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x1aa/0x1140 fs/ioctl.c:679 [] SYSC_ioctl fs/ioctl.c:694 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:685 [] entry_SYSCALL_64_fastpath+0x23/0xc6 netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. binder: 15629:15630 ioctl 400454d4 205c2000 returned -22 binder: 15629:15630 ioctl 400454d4 205c2000 returned -22 9pnet_virtio: no channels available for device ./file0 device gre0 entered promiscuous mode IPVS: Creating netns size=2536 id=36 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 PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex netlink: 5 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 64 bytes leftover after parsing attributes in process `syz-executor7'. tmpfs: No value for mount option '‹' IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready tmpfs: No value for mount option '‹' IPv6: Can't replace route, no match found IPv6: Can't replace route, no match found syz-executor7: vmalloc: allocation failure: 17179869168 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 16063 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 ffff8801c9b27880 ffffffff81d90429 1ffff10039364f13 ffff8801a71e8000 ffffffff83ab7d80 0000000000000001 0000000000400000 ffff8801c9b27990 ffffffff8144ead2 024000c2df395b89 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:86845 inactive_anon:34 isolated_anon:0 active_file:3748 inactive_file:6722 isolated_file:0 unevictable:0 dirty:35 writeback:0 unstable:0 slab_reclaimable:6459 slab_unreclaimable:38417 mapped:22801 shmem:45 pagetables:695 bounce:0 free:1465976 free_pcp:385 free_cma:0 Node 0 active_anon:353544kB inactive_anon:136kB active_file:14992kB inactive_file:26888kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91204kB dirty:140kB writeback:0kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 61440kB 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:2889228kB min:36816kB low:46020kB high:55224kB active_anon:324736kB inactive_anon:136kB active_file:14992kB inactive_file:26888kB unevictable:0kB writepending:0kB present:4718592kB managed:3585220kB mlocked:0kB slab_reclaimable:25836kB slab_unreclaimable:154492kB kernel_stack:5696kB pagetables:2632kB bounce:0kB free_pcp:1076kB local_pcp:620kB 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) [ 113.760195] syz-executor7: vmalloc: allocation failure: 17179869168 bytes, mode:0x24000c2(GFP_KERNEL|__GFP_HIGHMEM) CPU: 0 PID: 16073 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 ffff8801a188f880 ffffffff81d90429 1ffff10034311f13 ffff8801cef53000 ffffffff83ab7d80 0000000000000001 0000000000400000 ffff8801a188f990 ffffffff8144ead2 024000c28c33c44c 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:82677 inactive_anon:34 isolated_anon:0 active_file:3748 inactive_file:6722 isolated_file:0 unevictable:0 dirty:8 writeback:14 unstable:0 slab_reclaimable:6468 slab_unreclaimable:38792 mapped:22774 shmem:45 pagetables:661 bounce:0 free:1470435 free_pcp:481 free_cma:0 Node 0 active_anon:330708kB inactive_anon:136kB active_file:14992kB inactive_file:26888kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:91096kB dirty:32kB writeback:56kB shmem:180kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 59392kB 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:2884688kB min:36816kB low:46020kB high:55224kB active_anon:330708kB inactive_anon:136kB active_file:14992kB inactive_file:26888kB unevictable:0kB writepending:88kB present:4718592kB managed:3585220kB mlocked:0kB slab_reclaimable:25872kB slab_unreclaimable:155168kB kernel_stack:5568kB pagetables:2644kB bounce:0kB free_pcp:1224kB local_pcp:588kB 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 10514 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: 16090:16097 ioctl 541c 20dd8ff4 returned -22 binder: 16090:16097 ioctl 54a3 0 returned -22 binder_alloc: binder_alloc_mmap_handler: 16090 20000000-20400000 already mapped failed -16 binder: 16090:16097 ioctl 541c 20dd8ff4 returned -22 binder: 16090:16102 ioctl 54a3 0 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=63367 sclass=netlink_route_socket pig=16136 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=63367 sclass=netlink_route_socket pig=16136 comm=syz-executor0 IPVS: Creating netns size=2536 id=37 IPVS: Creating netns size=2536 id=38 2*512kB (M) 1*1024kB (M) 2*2048kB (M) 726*4096kB (M) = 2981144kB Normal: 649*4kB (UME) 1113*8kB (UME) 920*16kB (UME) 768*32kB (UME) 1195*64kB (UME) 325*128kB (UME) 32*256kB (UE) 22*512kB (UME) 13*1024kB (UME) 15*2048kB (UME) 651*4096kB (UM) = 2898860kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 10528 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: 16194:16195 ioctl 4c09 0 returned -22 binder: 16194:16198 ioctl 4c09 0 returned -22 program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 program syz-executor0 is using a deprecated SCSI ioctl, please convert it to SG_IO sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 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 PF_BRIDGE: RTM_SETLINK with unknown ifindex device lo left promiscuous mode IPVS: Creating netns size=2536 id=39 device lo entered promiscuous mode PF_BRIDGE: RTM_SETLINK with unknown ifindex IPVS: Creating netns size=2536 id=40 nla_parse: 3 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. device gre0 entered promiscuous mode 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 9pnet_virtio: no channels available for device ./file0 tc_dump_action: action bad kind SELinux: unrecognized netlink message: protocol=0 nlmsg_type=48586 sclass=netlink_route_socket pig=16569 comm=syz-executor0 tc_dump_action: action bad kind SELinux: unrecognized netlink message: protocol=0 nlmsg_type=48586 sclass=netlink_route_socket pig=16569 comm=syz-executor0 9pnet_virtio: no channels available for device ./file0 netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 16646 Comm: syz-executor6 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a3f37740 ffffffff81d90429 ffff8801a3f37a20 0000000000000000 ffff8801c523ed10 ffff8801a3f37910 ffff8801c523ec00 ffff8801a3f37938 ffffffff8165e3c7 ffff8801a3f37798 ffff8801a3f37890 00000001acdaf067 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