Option 'Þ¾š„'' to dns_resolver key: bad/missing value ================================================================== BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801cb442de0 BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801cb442de0 BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801cb442de0 BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801cb442de0 BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801cb442de0 BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801cb442de0 Read of size 8 by task syz-executor3/3860 CPU: 1 PID: 3860 Comm: syz-executor3 Not tainted 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801ab117d88 ffffffff81d90429 ffff8801da155140 ffff8801cb442d90 ffff8801cb442e48 ffffed00396885bc ffff8801cb442de0 ffff8801ab117db0 ffffffff8153a3ac ffffed00396885bc 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 ffff8801cb442d90, in cache vm_area_struct size: 184 Allocated: PID = 3860 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 = 3876 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: ffff8801cb442c80: fc fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801cb442d00: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc >ffff8801cb442d80: fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801cb442e00: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc ffff8801cb442e80: fc fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== binder: 3857:3908 ioctl 40082404 20000ff8 returned -22 binder: 3857:3908 ioctl 4b48 20000000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=3908 comm=syz-executor2 Option 'Þ¾š„'' to dns_resolver key: bad/missing value binder: 3857:3933 ioctl 40082404 20000ff8 returned -22 binder: 3857:3935 ioctl 4b48 20000000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3803 sclass=netlink_route_socket pig=3939 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=3803 sclass=netlink_route_socket pig=3947 comm=syz-executor3 device lo left promiscuous mode device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=4044 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=4055 comm=syz-executor0 device  entered promiscuous mode capability: warning: `syz-executor0' uses deprecated v2 capabilities in a way that may be insecure device  left promiscuous mode netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'. binder: 4237:4238 ioctl c058534b 20ff1000 returned -22 PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex binder: 4237:4242 ioctl c058534b 20ff1000 returned -22 device gre0 entered promiscuous mode PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 4280 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 ffff8801d0c9f830 ffffffff81d90429 ffff8801d0c9fb10 0000000000000000 ffff8801a4c2cb90 ffff8801d0c9fa00 ffff8801a4c2ca80 ffff8801d0c9fa28 ffffffff8165e3c7 0000000000000000 ffff8801d0c9f980 00000001a780b067 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 device gre0 entered promiscuous mode SELinux: unrecognized netlink message: protocol=9 nlmsg_type=23 sclass=netlink_audit_socket pig=4326 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=23 sclass=netlink_audit_socket pig=4326 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=21818 sclass=netlink_route_socket pig=4348 comm=syz-executor6 netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=21818 sclass=netlink_route_socket pig=4348 comm=syz-executor6 binder: 4369:4370 ioctl 8935 20a26000 returned -22 binder: 4369:4370 ioctl 8905 20a31ffc returned -22 binder: 4369:4370 ioctl 8915 205d7000 returned -22 binder: 4369:4370 ioctl 8935 20a26000 returned -22 binder: 4369:4392 ioctl 8905 20a31ffc returned -22 binder: 4369:4370 ioctl 8915 205d7000 returned -22 device gre0 entered promiscuous mode Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable device gre0 entered promiscuous mode Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable binder: 4502:4508 ioctl 4b44 2004dff8 returned -22 binder: 4502:4508 ioctl 4b44 2004dff8 returned -22 binder: 4556:4561 ioctl 40086425 203c4000 returned -22 binder: 4556:4604 ioctl 40086425 203c4000 returned -22 9pnet_virtio: no channels available for device H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H¨H capability: warning: `syz-executor6' uses 32-bit capabilities (legacy support in use) binder: 4661:4666 ioctl 541c 20647000 returned -22 binder: 4661:4666 ioctl 8955 20a1e000 returned -22 binder: 4661:4696 ioctl 541c 20647000 returned -22 binder: 4661:4696 ioctl 8955 20a1e000 returned -22 IPVS: Creating netns size=2536 id=9 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 device gre0 entered promiscuous mode 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 binder: binder_mmap: 5206 207fd000-20801000 bad vm_flags failed -1 binder: 5206:5208 ioctl 8917 20227fe0 returned -22 binder: binder_mmap: 5206 207fd000-20801000 bad vm_flags failed -1 binder: 5206:5223 ioctl 8917 20227fe0 returned -22 selinux_nlmsg_perm: 1 callbacks suppressed SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=5250 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5250 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5250 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=5250 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=202 sclass=netlink_route_socket pig=5289 comm=syz-executor7 netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=5289 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5335 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5335 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=5335 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=202 sclass=netlink_route_socket pig=5250 comm=syz-executor7 netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode device gre0 left promiscuous mode device gre0 entered promiscuous mode netlink: 17 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor0'. FAULT_FLAG_ALLOW_RETRY missing 30 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 5370 Comm: syz-executor2 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cb137970 ffffffff81d90429 ffff8801cb137c50 0000000000000000 ffff8801a4de1a90 ffff8801cb137b40 ffff8801a4de1980 ffff8801cb137b68 ffffffff8165e3c7 ffffffff84186db4 ffff8801cb137ac0 00000001c9e13067 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 5350 Comm: syz-executor2 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801cf7ff8a0 ffffffff81d90429 ffff8801cf7ffb80 0000000000000000 ffff8801a4de1a90 ffff8801cf7ffa70 ffff8801a4de1980 ffff8801cf7ffa98 ffffffff8165e3c7 ffff8801c60679c0 ffff8801cf7ff9f0 00000001c9e13067 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 CPU: 1 PID: 5384 Comm: syz-executor2 Tainted: G B 4.9.64-gfbb7468 #94 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ffff8801a7adf940 ffffffff81d90429 ffff8801a7adfc20 0000000000000000 ffff8801a4de1a90 ffff8801a7adfb10 ffff8801a4de1980 ffff8801a7adfb38 ffffffff8165e3c7 1ffff10034f5bf2f ffff8801a7adfa90 00000001c9e13067 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 netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. FAULT_FLAG_ALLOW_RETRY missing 70 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 5456 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 ffff8801aa93f8b0 ffffffff81d90429 ffff8801aa93fb90 0000000000000000 ffff8801a4de1c10 ffff8801aa93fa80 ffff8801a4de1b00 ffff8801aa93faa8 ffffffff8165e3c7 ffff8801ce021800 ffff8801aa93fa00 00000001adb7e067 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 [] SyS_clock_adjtime+0x1c/0x30 kernel/time/posix-timers.c:1045 [] entry_SYSCALL_64_fastpath+0x23/0xc6 netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. CPU: 0 PID: 5479 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 ffff8801cde7fae0 ffffffff81d90429 ffff8801cde7fdc0 0000000000000000 ffff8801a4de1c10 ffff8801cde7fcb0 ffff8801a4de1b00 ffff8801cde7fcd8 ffffffff8165e3c7 0000000000000000 ffff8801cde7fc30 00000001adb7e067 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 FAULT_FLAG_ALLOW_RETRY missing 70 CPU: 1 PID: 5479 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 ffff8801cde7fae0 ffffffff81d90429 ffff8801cde7fdc0 0000000000000000 ffff8801a4c2d790 ffff8801cde7fcb0 ffff8801a4c2d680 ffff8801cde7fcd8 ffffffff8165e3c7 ffff8801a962d500 ffff8801cde7fc30 00000001ac7c0067 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 5456 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 ffff8801aa93f8b0 ffffffff81d90429 ffff8801aa93fb90 0000000000000000 ffff8801a4c2d790 ffff8801aa93fa80 ffff8801a4c2d680 ffff8801aa93faa8 ffffffff8165e3c7 ffff8801ce021800 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 [] SyS_clock_adjtime+0x1c/0x30 kernel/time/posix-timers.c:1045 [] entry_SYSCALL_64_fastpath+0x23/0xc6 tmpfs: No value for mount option '‹¶K"WöËO¢©S£d€Yl®' tmpfs: No value for mount option '‹¶K"WöËO¢©S£d€Yl®' binder: 5666:5673 ioctl c08c5335 209dcf74 returned -22 binder: 5666:5673 ioctl 89a0 2066bff0 returned -22 binder: 5666:5673 ioctl 80084502 2099ffaa returned -22 binder: 5666:5685 ioctl c08c5335 209dcf74 returned -22 binder: 5666:5685 ioctl 89a0 2066bff0 returned -22 binder: 5666:5685 ioctl 80084502 2099ffaa returned -22 IPVS: Creating netns size=2536 id=10 IPVS: Creating netns size=2536 id=11 binder: 5750:5754 ioctl c08c5335 209dcf74 returned -22 binder: 5750:5754 ioctl 89a0 2066bff0 returned -22 binder: 5750:5754 ioctl 80084502 2099ffaa returned -22 binder: 5750:5771 ioctl c08c5335 209dcf74 returned -22 binder: 5750:5771 ioctl 89a0 2066bff0 returned -22 binder: 5750:5771 ioctl 80084502 2099ffaa returned -22 sg_write: data in/out 476/6 bytes for SCSI command 0x0-- guessing data in; program syz-executor0 not setting count and/or reply_len properly device gre0 entered promiscuous mode sg_write: data in/out 9969/38 bytes for SCSI command 0x8-- guessing data in; program syz-executor6 not setting count and/or reply_len properly device eql entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode ?: renamed from tunl0 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