BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801a722ebf0
BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801a722ebf0
BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801a722ebf0
BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801a722ebf0
BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801a722ebf0
BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801a722ebf0
Read of size 8 by task syz-executor2/3638
CPU: 0 PID: 3638 Comm: syz-executor2 Not tainted 4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801a7257d88 ffffffff81d90429 ffff8801da155140 ffff8801a722eba0
 ffff8801a722ec58 ffffed0034e45d7e ffff8801a722ebf0 ffff8801a7257db0
 ffffffff8153a3ac ffffed0034e45d7e 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 ffff8801a722eba0, in cache vm_area_struct size: 184
Allocated:
PID = 3638
 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 = 3652
 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:
 ffff8801a722ea80: fc fc fc fc fc fb fb fb fb fb fb fb fb fb fb fb
 ffff8801a722eb00: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
>ffff8801a722eb80: fc fc fc fc fb fb fb fb fb fb fb fb fb fb fb fb
                                                             ^
 ffff8801a722ec00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
 ffff8801a722ec80: fc fc fc fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
capability: warning: `syz-executor7' uses 32-bit capabilities (legacy support in use)
netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'.
binder: 3784:3786 ioctl c08c5335 20001f74 returned -22
binder: 3784:3786 ioctl 4b6a 20002f75 returned -22
PF_BRIDGE: RTM_SETLINK with unknown ifindex
binder: 3784:3791 ioctl c08c5335 20001f74 returned -22
PF_BRIDGE: RTM_SETLINK with unknown ifindex
binder: 3784:3791 ioctl 4b6a 20002f75 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
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=769 sclass=netlink_audit_socket pig=3891 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3391 sclass=netlink_audit_socket pig=3891 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=3391 sclass=netlink_audit_socket pig=3891 comm=syz-executor3
netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 9 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'.
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
9pnet_virtio: no channels available for device ./file0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4032 comm=syz-executor2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4032 comm=syz-executor2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4032 comm=syz-executor2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4032 comm=syz-executor2
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4032 comm=syz-executor2
syz-executor1 uses obsolete (PF_INET,SOCK_PACKET)
binder: 4068:4076 ioctl c018aa3f 20fabfe8 returned -22
binder: 4068:4076 ioctl c018aa3f 20fabfe8 returned -22
9pnet_virtio: no channels available for device ./file0
9pnet_virtio: no channels available for device ./file0
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 4130 Comm: syz-executor0 Tainted: G    B           4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c6777990 ffffffff81d90429 ffff8801c6777c70 0000000000000000
 ffff8801acc9eb90 ffff8801c6777b60 ffff8801acc9ea80 ffff8801c6777b88
 ffffffff8165e3c7 0000000000000000 ffff8801c6777ae0 00000001c7f05067
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e3c7>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd6c1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd6c1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd6c1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd6c1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd447>] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
device gre0 entered promiscuous mode
device lo entered promiscuous mode
device gre0 left promiscuous mode
device lo left promiscuous mode
device gre0 entered 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
device lo entered promiscuous mode
device lo left promiscuous mode
CPU: 1 PID: 4142 Comm: syz-executor0 Tainted: G    B           4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c85079c0 ffffffff81d90429 ffff8801c8507ca0 0000000000000000
 ffff8801acc9eb90 ffff8801c8507b90 ffff8801acc9ea80 ffff8801c8507bb8
 ffffffff8165e3c7 f73f37b718dd6ba3 ffff8801c8507b10 00000001c7f05067
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e3c7>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd6c1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd6c1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd6c1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd6c1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd447>] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff81bba46b>] SYSC_keyctl security/keys/keyctl.c:1604 [inline]
 [<ffffffff81bba46b>] SyS_keyctl+0x1fb/0x230 security/keys/keyctl.c:1592
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
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
tc_ctl_action: received NO action attribs
device gre0 entered promiscuous mode
tc_ctl_action: received NO action attribs
ALSA: seq fatal error: cannot create timer (-19)
ALSA: seq fatal error: cannot create timer (-19)
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 4237 Comm: syz-executor4 Tainted: G    B           4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d8f2f930 ffffffff81d90429 ffff8801d8f2fc10 0000000000000000
 ffff8801acc9ed10 ffff8801d8f2fb00 ffff8801acc9ec00 ffff8801d8f2fb28
 ffffffff8165e3c7 0000000000000001 ffff8801d8f2fa80 00000001c7a45067
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e3c7>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd6c1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd6c1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd6c1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd6c1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd447>] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
CPU: 0 PID: 4252 Comm: syz-executor4 Tainted: G    B           4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d177f920 ffffffff81d90429 ffff8801d177fc00 0000000000000000
 ffff8801acc9ed10 ffff8801d177faf0 ffff8801acc9ec00 ffff8801d177fb18
 ffffffff8165e3c7 0000000000000000 ffff8801d177fa70 00000001c7a45067
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e3c7>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd6c1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd6c1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd6c1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd6c1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd447>] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 0 PID: 4252 Comm: syz-executor4 Tainted: G    B           4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d177f930 ffffffff81d90429 ffff8801d177fc10 0000000000000000
 ffff8801a8594110 ffff8801d177fb00 ffff8801a8594000 ffff8801d177fb28
 ffffffff8165e3c7 ffff8801d177fac8 ffff8801d177fa80 00000001c7a45067
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e3c7>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd6c1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd6c1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd6c1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd6c1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd447>] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
capability: warning: `syz-executor4' uses deprecated v2 capabilities in a way that may be insecure
binder: 4371:4374 ioctl 8927 20c56fd8 returned -22
binder: 4371:4374 ioctl 4028641b 209affd8 returned -22
binder: 4371:4374 ioctl 89e0 208dd000 returned -22
binder: 4371:4374 ioctl 8927 20c56fd8 returned -22
binder: 4371:4386 ioctl 4028641b 209affd8 returned -22
binder: 4371:4374 ioctl 89e0 208dd000 returned -22
binder: 4385:4389 ioctl 8924 206b0000 returned -22
binder: 4385:4389 ioctl 8924 206b0000 returned -22
loop_reread_partitions: partition scan of loop0 (2�]�fI�����B�!S,��D�') failed (rc=-13)
loop: Write error at byte offset 18446744073709547520, length 512.
blk_update_request: I/O error, dev loop0, sector 0
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
Buffer I/O error on dev loop0, logical block 0, lost async page write
A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check.
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 0 PID: 4448 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
 ffff8801c7b9f4e0 ffffffff81d90429 ffff8801c7b9f7c0 0000000000000000
 ffff8801a8594710 ffff8801c7b9f6b0 ffff8801a8594600 ffff8801c7b9f6d8
 ffffffff8165e3c7 ffff880102408040 ffff8801c7b9f630 00000001cc9f8067
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e3c7>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd6c1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd6c1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd6c1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd6c1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd447>] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff8143127c>] generic_perform_write+0x1dc/0x500 mm/filemap.c:2731
 [<ffffffff81438e58>] __generic_file_write_iter+0x348/0x570 mm/filemap.c:2866
 [<ffffffff81439355>] generic_file_write_iter+0x2d5/0x600 mm/filemap.c:2894
 [<ffffffff8156a9ef>] new_sync_write fs/read_write.c:499 [inline]
 [<ffffffff8156a9ef>] __vfs_write+0x4bf/0x680 fs/read_write.c:512
 [<ffffffff8156c319>] vfs_write+0x189/0x530 fs/read_write.c:560
 [<ffffffff8156fe09>] SYSC_write fs/read_write.c:607 [inline]
 [<ffffffff8156fe09>] SyS_write+0xd9/0x1b0 fs/read_write.c:599
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
loop: Write error at byte offset 18446744073709547520, length 512.
blk_update_request: I/O error, dev loop0, sector 0
Buffer I/O error on dev loop0, logical block 0, lost async page write
loop: Write error at byte offset 18446744073709547520, length 512.
blk_update_request: I/O error, dev loop0, sector 0
Buffer I/O error on dev loop0, logical block 0, lost async page write
loop: Write error at byte offset 18446744073709547520, length 512.
blk_update_request: I/O error, dev loop0, sector 0
Buffer I/O error on dev loop0, logical block 0, lost async page write
loop_reread_partitions: partition scan of loop0 () failed (rc=-13)
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 0 PID: 4518 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
 ffff8801aa2df970 ffffffff81d90429 ffff8801aa2dfc50 0000000000000000
 ffff8801acc9f190 ffff8801aa2dfb40 ffff8801acc9f080 ffff8801aa2dfb68
 ffffffff8165e3c7 ffffffff84186db4 ffff8801aa2dfac0 00000001cae56067
Call Trace:
 [<ffffffff81d90429>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81d90429>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff8165e3c7>] handle_userfault+0xa37/0x1300 fs/userfaultfd.c:323
 [<ffffffff814cd6c1>] do_anonymous_page mm/memory.c:2747 [inline]
 [<ffffffff814cd6c1>] handle_pte_fault mm/memory.c:3488 [inline]
 [<ffffffff814cd6c1>] __handle_mm_fault mm/memory.c:3577 [inline]
 [<ffffffff814cd6c1>] handle_mm_fault+0x1fd1/0x2530 mm/memory.c:3614
 [<ffffffff810dd447>] __do_page_fault+0x5b7/0xd70 arch/x86/mm/fault.c:1396
 [<ffffffff810ddc27>] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1460
 [<ffffffff838aa958>] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1012
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
IPv6: Can't replace route, no match found
device lo left promiscuous mode
IPv6: Can't replace route, no match found
9pnet_virtio: no channels available for device ./file0
program syz-executor7 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
binder: 4692:4705 ioctl 4c82 0 returned -22
binder: 4692:4705 ioctl 4c81 ffffffffffffffff returned -22
binder: 4692:4705 ioctl 540f 20740ffc returned -22
binder: 4692:4705 ioctl 8901 20ec0000 returned -22
binder: 4692:4705 ioctl 4c82 0 returned -22
binder: 4692:4715 ioctl 4c81 ffffffffffffffff returned -22
binder_alloc: binder_alloc_mmap_handler: 4692 20000000-20400000 already mapped failed -16
program syz-executor7 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
binder: 4692:4705 ioctl 540f 20740ffc returned -22
binder: 4692:4715 ioctl 8901 20ec0000 returned -22
sg_write: data in/out 156/5168 bytes for SCSI command 0x85-- guessing data in;
   program syz-executor6 not setting count and/or reply_len properly
9pnet_virtio: no channels available for device ./file0
IPVS: Creating netns size=2536 id=9
binder: 4747:4749 ioctl c0505405 20b96fb0 returned -22
binder: 4747:4754 ioctl c0505405 20b96fb0 returned -22
sg_write: data in/out 476/6 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor3 not setting count and/or reply_len properly
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
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
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 lo entered promiscuous mode
device syz5 entered promiscuous mode
device lo left promiscuous mode
nla_parse: 13 callbacks suppressed
netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'.
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
netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'.
IPVS: Creating netns size=2536 id=10
device lo entered promiscuous mode
device lo left promiscuous mode
netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'.
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
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
selinux_nlmsg_perm: 13 callbacks suppressed
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=62197 sclass=netlink_route_socket pig=4892 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4925 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=62197 sclass=netlink_route_socket pig=4892 comm=syz-executor3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4925 comm=syz-executor6
binder: 4935:4940 ioctl c0206416 20d30fe0 returned -22
IPVS: Creating netns size=2536 id=11
binder: 4935:4940 ioctl c0206416 20d30fe0 returned -22
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
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
netlink: 18 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 18 bytes leftover after parsing attributes in process `syz-executor3'.
IPVS: Creating netns size=2536 id=12
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
sd 0:0:1:0: [sg0] tag#789 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK
sd 0:0:1:0: [sg0] tag#789 CDB: Test Unit Ready
sd 0:0:1:0: [sg0] tag#789 CDB[00]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#789 CDB[10]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#789 CDB[20]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#789 CDB[30]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
sd 0:0:1:0: [sg0] tag#789 CDB[40]: 00 00 00 00 00 00 00 00 00 00 00 00 00 00
device gre0 entered promiscuous mode
device gre0 entered promiscuous mode
blk_update_request: I/O error, dev loop7, sector 0
Buffer I/O error on dev loop7, logical block 0, lost async page write
blk_update_request: I/O error, dev loop7, sector 8
Buffer I/O error on dev loop7, logical block 1, lost async page write
blk_update_request: I/O error, dev loop7, sector 16
Buffer I/O error on dev loop7, logical block 2, lost async page write
blk_update_request: I/O error, dev loop7, sector 24
Buffer I/O error on dev loop7, logical block 3, lost async page write
blk_update_request: I/O error, dev loop7, sector 32
Buffer I/O error on dev loop7, logical block 4, lost async page write
blk_update_request: I/O error, dev loop7, sector 40
Buffer I/O error on dev loop7, logical block 5, lost async page write
blk_update_request: I/O error, dev loop7, sector 48
Buffer I/O error on dev loop7, logical block 6, lost async page write
blk_update_request: I/O error, dev loop7, sector 56
Buffer I/O error on dev loop7, logical block 7, lost async page write
blk_update_request: I/O error, dev loop7, sector 64
Buffer I/O error on dev loop7, logical block 8, lost async page write
blk_update_request: I/O error, dev loop7, sector 72
Buffer I/O error on dev loop7, logical block 9, lost async page write
netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'.
device gre0 entered promiscuous mode
binder: 5513:5518 ioctl 4b44 20ad2000 returned -22
device gre0 entered promiscuous mode
device gre0 left promiscuous mode
ALSA: seq fatal error: cannot create timer (-19)
binder: 5513:5535 ioctl 4b44 20ad2000 returned -22
device gre0 entered promiscuous mode
ALSA: seq fatal error: cannot create timer (-19)
device gre0 left promiscuous mode
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5641 comm=syz-executor3
IPVS: Creating netns size=2536 id=13
IPv6: NLM_F_REPLACE set, but no existing node found!
IPv6: NLM_F_REPLACE set, but no existing node found!