netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'.
==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:243 [inline] at addr ffff8801d61b8908
BUG: KASAN: use-after-free in atomic_read arch/x86/include/asm/atomic.h:26 [inline] at addr ffff8801d61b8908
BUG: KASAN: use-after-free in static_key_count include/linux/jump_label.h:174 [inline] at addr ffff8801d61b8908
BUG: KASAN: use-after-free in static_key_false include/linux/jump_label.h:184 [inline] at addr ffff8801d61b8908
BUG: KASAN: use-after-free in perf_sw_event include/linux/perf_event.h:1039 [inline] at addr ffff8801d61b8908
BUG: KASAN: use-after-free in __do_page_fault+0xc80/0xd70 arch/x86/mm/fault.c:1438 at addr ffff8801d61b8908
Read of size 8 by task syz-executor2/7510
CPU: 1 PID: 7510 Comm: syz-executor2 Not tainted 4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801ab657d88 ffffffff81d90429 ffff8801da155140 ffff8801d61b88b8
 ffff8801d61b8970 ffffed003ac37121 ffff8801d61b8908 ffff8801ab657db0
netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'.
device gre0 entered promiscuous mode
 ffffffff8153a3ac ffffed003ac37121 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 ffff8801d61b88b8, in cache vm_area_struct size: 184
Allocated:
PID = 7510
 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 = 7517
 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:
 ffff8801d61b8800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc
 ffff8801d61b8880: fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb fb
>ffff8801d61b8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
                      ^
 ffff8801d61b8980: fc fc fc fc fc fc fb fb fb fb fb fb fb fb fb fb
 ffff8801d61b8a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc
==================================================================
device gre0 left promiscuous mode
netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor1'.
9pnet_virtio: no channels available for device ./file0
9pnet_virtio: no channels available for device ./file0
device gre0 entered promiscuous mode
loop_reread_partitions: partition scan of loop0 (2°]€fI¸Òæ¶Ì”B±!S,›ùDÏ') failed (rc=-13)
sock: sock_set_timeout: `syz-executor7' (pid 7867) tries to set negative timeout
sock: sock_set_timeout: `syz-executor7' (pid 7845) tries to set negative timeout
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=37633 sclass=netlink_route_socket pig=7916 comm=syz-executor5
loop_reread_partitions: partition scan of loop0 () failed (rc=-13)
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=37633 sclass=netlink_route_socket pig=7943 comm=syz-executor5
binder: 8036:8037 ioctl c018aa3f 20fabfe8 returned -22
binder: 8036:8047 ioctl c018aa3f 20fabfe8 returned -22
IPVS: Creating netns size=2536 id=17
IPVS: Creating netns size=2536 id=18
IPv6: NLM_F_REPLACE set, but no existing node found!
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 0 PID: 8230 Comm: syz-executor5 Tainted: G    B           4.9.64-gfbb7468 #94
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801d945f9a0 ffffffff81d90429 ffff8801d945fc80 0000000000000000
 ffff8801a692b910 ffff8801d945fb70 ffff8801a692b800 ffff8801d945fb98
 ffffffff8165e3c7 0000000000000282 ffff8801d945faf0 00000001cea08067
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
device syz0 entered promiscuous mode
 [<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
 [<ffffffff8116819c>] SYSC_sigaltstack kernel/signal.c:3170 [inline]
 [<ffffffff8116819c>] SyS_sigaltstack+0x6c/0x90 kernel/signal.c:3168
 [<ffffffff838a9785>] entry_SYSCALL_64_fastpath+0x23/0xc6
binder: 8308:8313 ioctl c08c5335 209dcf74 returned -22
device gre0 entered promiscuous mode
binder: 8308:8366 ioctl c08c5335 209dcf74 returned -22
device gre0 entered promiscuous mode
nla_parse: 20 callbacks suppressed
netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'.
binder: 8602:8603 ioctl 5609 208daffa returned -22
netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'.
binder: 8602:8635 ioctl 5609 208daffa returned -22
Option '                                            ž"†u<<�`ÔÍÞ€á/P}£$q_¥é2R¢ì’�
_ÛR!×]¬œ¡' to dns_resolver key: bad/missing value
device gre0 entered promiscuous mode
Option '                                            ž"†u<<�`ÔÍÞ€á/P}£$q_¥é2R¢ì’�
_ÛR!×]¬œ¡' to dns_resolver key: bad/missing value
sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in;
   program syz-executor2 not setting count and/or reply_len properly
netlink: 64 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 64 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 6 bytes leftover after parsing attributes in process `syz-executor1'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'.
device gre0 entered promiscuous mode
netlink: 2 bytes leftover after parsing attributes in process `syz-executor6'.
binder: 9122:9123 ioctl 54a3 0 returned -22
binder: 9122:9123 ioctl 54a3 0 returned -22
device gre0 entered promiscuous mode
qtaguid: iface_stat: iface_check_stats_reset_and_adjust(lo): iface reset its stats unexpectedly
binder: 9233:9235 ioctl c0086420 20739ff8 returned -22
binder: 9233:9235 ioctl 40086425 203c4000 returned -22
IPVS: Creating netns size=2536 id=19
TCP: request_sock_TCP: Possible SYN flooding on port 20005. Sending cookies.  Check SNMP counters.
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=257 sclass=netlink_route_socket pig=9394 comm=syz-executor1
binder: 9397:9400 ioctl 541c 20dd8ff4 returned -22
binder: 9397:9400 ioctl 54a3 0 returned -22
binder: 9397:9400 ioctl 4c03 20c14000 returned -22
netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'.
binder_alloc: binder_alloc_mmap_handler: 9397 20000000-20400000 already mapped failed -16
binder: 9397:9400 ioctl 541c 20dd8ff4 returned -22
device gre0 entered promiscuous mode
binder: 9397:9409 ioctl 54a3 0 returned -22
binder: 9397:9409 ioctl 4c03 20c14000 returned -22
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=257 sclass=netlink_route_socket pig=9414 comm=syz-executor1
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=43027 sclass=netlink_route_socket pig=9407 comm=syz-executor4
?: renamed from tunl0
loop_reread_partitions: partition scan of loop0 (2°]€fI¸Òæ¶Ì”B±!S,›ùDÏ') failed (rc=-13)
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=43027 sclass=netlink_route_socket pig=9441 comm=syz-executor4
loop: Write error at byte offset 18446744073709547520, length 512.
blk_update_request: I/O error, dev loop0, sector 0
buffer_io_error: 8 callbacks suppressed
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
VFS: Dirty inode writeback failed for block device loop0 (err=-5).
loop_reread_partitions: partition scan of loop0 () failed (rc=-13)
binder: 9546:9550 ioctl c08c5335 209dcf74 returned -22
binder: 9546:9573 ioctl c08c5335 209dcf74 returned -22
device gre0 entered promiscuous mode
FAULT_FLAG_ALLOW_RETRY missing 30
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 9650 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
 ffff8801d610f970 ffffffff81d90429 ffff8801d610fc50 0000000000000000
 ffff8801a692bd90 ffff8801d610fb40 ffff8801a692bc80 ffff8801d610fb68
 ffffffff8165e3c7 ffff8801d610f9d8 ffff8801d610fac0 00000001cddfe067
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: 9648 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
 ffff8801d61074e0 ffffffff81d90429 ffff8801d61077c0 0000000000000000
 ffff8801a692b490 ffff8801d61076b0 ffff8801a692b380 ffff8801d61076d8
 ffffffff8165e3c7 ffff880102408040 ffff8801d6107630 00000001a632e067
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
FAULT_FLAG_ALLOW_RETRY missing 30
CPU: 1 PID: 9648 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
 ffff8801d61074e0 ffffffff81d90429 ffff8801d61077c0 0000000000000000
 ffff8801d23e4890 ffff8801d61076b0 ffff8801d23e4780 ffff8801d61076d8
 ffffffff8165e3c7 ffff8801d6107806 ffff8801d6107630 00000001c80f6067
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
CPU: 0 PID: 9677 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
 ffff8801c6637930 ffffffff81d90429 ffff8801c6637c10 0000000000000000
 ffff8801a692bd90 ffff8801c6637b00 ffff8801a692bc80 ffff8801c6637b28
 ffffffff8165e3c7 ffff8801c6637ac8 ffff8801c6637a80 00000001cddfe067
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
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
device  entered promiscuous mode
device  left promiscuous mode
binder: 9774:9775 ioctl 8927 204dcfd8 returned -22
binder: 9774:9775 ioctl 4028641b 209affd8 returned -22
device  entered promiscuous mode
binder: 9774:9775 ioctl 8927 204dcfd8 returned -22
binder: 9774:9784 ioctl 4028641b 209affd8 returned -22
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  left promiscuous mode
binder: 9888:9889 ioctl 8927 204dcfd8 returned -22
binder: 9888:9889 ioctl 4028641b 209affd8 returned -22
binder: 9888:9889 ioctl 8927 204dcfd8 returned -22
device gre0 entered promiscuous mode
device syz0 entered promiscuous mode
binder: 9888:9905 ioctl 4028641b 209affd8 returned -22
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
binder: 9992:9993 ioctl 4b34 8 returned -22
device lo entered promiscuous mode
binder: 9992:9993 ioctl 4b34 8 returned -22
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
IPVS: Creating netns size=2536 id=20
device gre0 entered promiscuous mode
nla_parse: 12 callbacks suppressed
netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'.