IPVS: Creating netns size=2536 id=47
tmpfs: No value for mount option '��K"W��
O��S�d�Yl�'
==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801ac84e528
BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801ac84e528
BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801ac84e528
BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801ac84e528
BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801ac84e528
BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801ac84e528
Read of size 8 by task syz-executor5/21768
CPU: 1 PID: 21768 Comm: syz-executor5 Not tainted 4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d600fd88 ffffffff81d90429 ffff8801da155140 ffff8801ac84e4d8
 ffff8801ac84e590 ffffed0035909ca5 ffff8801ac84e528 ffff8801d600fdb0
 ffffffff8153a3ac ffffed0035909ca5 ffff8801da155140 0000000000000000
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8153a3ac>] kasan_object_err+0x1c/0x70 mm/kasan/report.c:160
 [<ffffffff8153a66c>] print_address_description mm/kasan/report.c:198 [inline]
 [<ffffffff8153a66c>] kasan_report_error mm/kasan/report.c:287 [inline]
 [<ffffffff8153a66c>] kasan_report.part.1+0x21c/0x500 mm/kasan/report.c:309
 [<ffffffff8153aa09>] kasan_report mm/kasan/report.c:330 [inline]
 [<ffffffff8153aa09>] __asan_report_load8_noabort+0x29/0x30 mm/kasan/report.c:330
 [<ffffffff810ddb10>] __read_once_size include/linux/compiler.h:243 [inline]
 [<ffffffff810ddb10>] atomic_read arch/x86/include/asm/atomic.h:26 [inline]
 [<ffffffff810ddb10>] static_key_count include/linux/jump_label.h:174 [inline]
 [<ffffffff810ddb10>] static_key_false include/linux/jump_label.h:184 [inline]
 [<ffffffff810ddb10>] perf_sw_event include/linux/perf_event.h:1039 [inline]
 [<ffffffff810ddb10>] __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
Object at ffff8801ac84e4d8, in cache vm_area_struct size: 184
Allocated:
PID = 21768
 save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:57
 save_stack+0x43/0xd0 mm/kasan/kasan.c:495
binder: 21730:21782 ioctl c08c5335 209dcf74 returned -22
 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 = 21781
 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:
 ffff8801ac84e400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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
 ffff8801ac84e480: fb fb fb fc fc fc fc fc fc fc fc fb fb fb fb fb
>ffff8801ac84e500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                  ^
 ffff8801ac84e580: fb fb fc fc fc fc fc fc fc fc fb fb fb fb fb fb
 ffff8801ac84e600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
selinux_nlmsg_perm: 1 callbacks suppressed
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket pig=21817 comm=syz-executor6
binder: 21730:21766 ioctl 2403 8 returned -22
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pig=21813 comm=syz-executor4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1034 sclass=netlink_route_socket pig=21813 comm=syz-executor4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1025 sclass=netlink_route_socket pig=21813 comm=syz-executor4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1025 sclass=netlink_route_socket pig=21813 comm=syz-executor4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=65535 sclass=netlink_route_socket pig=21829 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=258 sclass=netlink_route_socket pig=21813 comm=syz-executor4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1034 sclass=netlink_route_socket pig=21841 comm=syz-executor4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1025 sclass=netlink_route_socket pig=21832 comm=syz-executor4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=1025 sclass=netlink_route_socket pig=21832 comm=syz-executor4
netlink: 216 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 216 bytes leftover after parsing attributes in process `syz-executor6'.
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
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
netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 64 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 64 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 6 bytes leftover after parsing attributes in process `syz-executor4'.
keychord: unsupported version 0
keychord: unsupported version 0
device gre0 entered promiscuous mode
tmpfs: No value for mount option '��9���������,3'
tmpfs: No value for mount option '��9���������,3'
device gre0 entered promiscuous mode
device gre0 left promiscuous mode
PF_BRIDGE: RTM_SETLINK with unknown ifindex
PF_BRIDGE: RTM_SETLINK with unknown ifindex
device gre0 entered promiscuous mode
device gre0 left promiscuous mode
binder: 22246:22252 ioctl c08c5335 209dcf74 returned -22
binder: 22246:22258 ioctl 40104593 20a1bff0 returned -22
binder: 22246:22258 ioctl c08c5335 209dcf74 returned -22
binder: 22246:22271 ioctl 40104593 20a1bff0 returned -22
netlink: 13 bytes leftover after parsing attributes in process `syz-executor2'.
device gre0 entered promiscuous mode
netlink: 13 bytes leftover after parsing attributes in process `syz-executor2'.
IPVS: Creating netns size=2536 id=48
binder: 22435:22436 ioctl 8905 20ef6000 returned -22
binder: 22435:22436 ioctl c0206434 201aa000 returned -22
binder: 22435:22436 ioctl c0206434 2011818b returned -22
binder: 22435:22436 ioctl 8905 20ef6000 returned -22
binder: 22435:22439 ioctl c0206434 2011818b returned -22
binder: 22435:22436 ioctl c0206434 201aa000 returned -22
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