------------[ cut here ]------------
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1665 at lockdep_assert_rq_held kernel/sched/sched.h:1665 [inline], CPU#0: syz.0.18/5986
WARNING: kernel/sched/sched.h:1665 at lockdep_assert_rq_held kernel/sched/sched.h:1662 [inline], CPU#0: syz.0.18/5986
WARNING: kernel/sched/sched.h:1665 at update_rq_clock+0x40a/0xd20 kernel/sched/core.c:875, CPU#0: syz.0.18/5986
Modules linked in:
CPU: 0 UID: 0 PID: 5986 Comm: syz.0.18 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1665 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1662 [inline]
RIP: 0010:update_rq_clock+0x40a/0xd20 kernel/sched/core.c:875
Code: ab c8 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 98 7a fe 09 a8 04 0f 84 df fc ff ff 90 0f 0b 90 e9 d6 fc ff ff 90 <0f> 0b 90 e9 92 fc ff ff 4c 8d 83 c0 0b 00 00 48 b8 00 00 00 00 00
RSP: 0000:ffffc90007f4f5e0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88802b13c040 RCX: 0000000000000001
RDX: 0000000000000046 RSI: ffffffff8e3badb8 RDI: ffffffff8c625a80
RBP: ffffc90007f4f780 R08: 0000000000000001 R09: 0000000000000001
R10: ffff88802b03cbd8 R11: 0000000000000000 R12: ffffffff9245c8e4
R13: ffff88802b13cf20 R14: ffff88802b13c040 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88809574a000(0063) knlGS:00000000f5395b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7198e50 CR3: 000000004ed63000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 pick_next_task kernel/sched/core.c:6375 [inline]
 __schedule+0x1c69/0x6920 kernel/sched/core.c:7199
 preempt_schedule_common+0x3c/0xb0 kernel/sched/core.c:7463
 preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
 _raw_spin_unlock_irqrestore+0x61/0x80 kernel/locking/spinlock.c:221
 __unix_dgram_recvmsg+0x31a/0xc30 net/unix/af_unix.c:2615
 unix_dgram_recvmsg+0xcd/0x100 net/unix/af_unix.c:2689
 sock_recvmsg_nosec net/socket.c:1151 [inline]
 ____sys_recvmsg+0x5eb/0x670 net/socket.c:2931
 ___sys_recvmsg+0x16a/0x1a0 net/socket.c:2975
 do_recvmmsg+0x54d/0x740 net/socket.c:3062
 __sys_recvmmsg+0x21f/0x270 net/socket.c:3144
 __do_compat_sys_recvmmsg_time32 net/compat.c:417 [inline]
 __se_compat_sys_recvmmsg_time32 net/compat.c:413 [inline]
 __ia32_compat_sys_recvmmsg_time32+0xc4/0x160 net/compat.c:413
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f07fec
Code: Unable to access opcode bytes at 0xf7f07fc2.
RSP: 002b:00000000f539550c EFLAGS: 00000292 ORIG_RAX: 0000000000000151
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00000000800000c0
RDX: 0000000000010106 RSI: 0000000000000002 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>