netlink: 'syz-executor1': attribute type 1 has an invalid length.
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=103497, q=92)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295017615-4295007113), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor2   R  running task    21360 10386   5942 0x00000000
Call Trace:
 <IRQ>
 sched_show_task.cold.83+0x2b6/0x30a kernel/sched/core.c:5296
 print_other_cpu_stall.cold.79+0xa83/0xba5 kernel/rcu/tree.c:1430
 check_cpu_stall kernel/rcu/tree.c:1557 [inline]
 __rcu_pending kernel/rcu/tree.c:3276 [inline]
 rcu_pending kernel/rcu/tree.c:3319 [inline]
 rcu_check_callbacks+0xafc/0x1990 kernel/rcu/tree.c:2665
 update_process_times+0x2d/0x70 kernel/time/timer.c:1636
 tick_sched_handle+0x9f/0x180 kernel/time/tick-sched.c:164
 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274
 __run_hrtimer kernel/time/hrtimer.c:1398 [inline]
 __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460
 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1029 [inline]
 smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1054
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x26/0x50 kernel/kcov.c:101
Code: 5d c3 66 90 55 48 89 e5 65 48 8b 04 25 40 ee 01 00 65 8b 15 3c 38 83 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b 8b 90 d0 12 00 00 <83> fa 02 75 20 48 8b 88 d8 12 00 00 8b 80 d4 12 00 00 48 8b 11 48
RSP: 0018:ffff88018aedea40 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff88014de882c0 RBX: ffffea0006422648 RCX: ffffffff819d581e
RDX: 0000000000000002 RSI: ffffffff819d582c RDI: 0000000000000005
RBP: ffff88018aedea40 R08: ffff88014de882c0 R09: ffffed00315dbd5b
R10: ffffed00315dbd5b R11: 0000000000000003 R12: 1ffff100315dbd93
R13: ffff88018aeded58 R14: 0000000000000000 R15: dffffc0000000000
 compound_head include/linux/page-flags.h:142 [inline]
 find_get_entry+0x5ec/0xc40 mm/filemap.c:1452
 pagecache_get_page+0x12f/0xf00 mm/filemap.c:1541
 find_get_page include/linux/pagemap.h:272 [inline]
 generic_file_buffered_read mm/filemap.c:2088 [inline]
 generic_file_read_iter+0xa13/0x2dc0 mm/filemap.c:2362
 ext4_file_read_iter+0x18b/0x3c0 fs/ext4/file.c:77
 call_read_iter include/linux/fs.h:1802 [inline]
 generic_file_splice_read+0x5a5/0x9a0 fs/splice.c:308
 do_splice_to+0x12e/0x190 fs/splice.c:881
 splice_direct_to_actor+0x270/0x8f0 fs/splice.c:953
 do_splice_direct+0x2d4/0x420 fs/splice.c:1062
 do_sendfile+0x62a/0xe20 fs/read_write.c:1440
 __do_sys_sendfile64 fs/read_write.c:1495 [inline]
 __se_sys_sendfile64 fs/read_write.c:1487 [inline]
 __x64_sys_sendfile64+0x15d/0x250 fs/read_write.c:1487
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f180f415c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000457579
RDX: 00000000200000c0 RSI: 0000000000000006 RDI: 0000000000000006
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080ffffff10 R11: 0000000000000246 R12: 00007f180f4166d4
R13: 00000000004c34e4 R14: 00000000004d5298 R15: 00000000ffffffff
rcu: rcu_preempt kthread starved for 10502 jiffies! g103497 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    23160    10      2 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 schedule_timeout+0x140/0x260 kernel/time/timer.c:1804
 rcu_gp_kthread+0x9d9/0x2310 kernel/rcu/tree.c:2194
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
sched: RT throttling activated