------------[ cut here ]------------
debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0)
WARNING: kernel/sched/sched.h:1666 at lockdep_assert_rq_held kernel/sched/sched.h:1666 [inline], CPU#0: syz.4.1947/12814
WARNING: kernel/sched/sched.h:1666 at lockdep_assert_rq_held kernel/sched/sched.h:1663 [inline], CPU#0: syz.4.1947/12814
WARNING: kernel/sched/sched.h:1666 at update_rq_clock+0x40a/0xd20 kernel/sched/core.c:875, CPU#0: syz.4.1947/12814
Modules linked in:
CPU: 0 UID: 0 PID: 12814 Comm: syz.4.1947 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:1666 [inline]
RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1663 [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 c3 cc cc cc cc 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: 0018:ffffc900047a7840 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff88802b33c040 RCX: 0000000000000001
RDX: 0000000000000046 RSI: ffffffff8e36be9b RDI: ffffffff8c624080
RBP: ffffc900047a79e0 R08: 0000000000000001 R09: 0000000000000001
R10: ffff88802b23cbd8 R11: 0000000000000000 R12: ffffffff9145bbe4
R13: ffff88802b33cf20 R14: ffff88802b33c040 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888096952000(0063) knlGS:00000000f54bdb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000080003000 CR3: 000000004c302000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 pick_next_task kernel/sched/core.c:6375 [inline]
 __schedule+0x1c69/0x6920 kernel/sched/core.c:7199
 __schedule_loop kernel/sched/core.c:7361 [inline]
 schedule+0xdd/0x2c0 kernel/sched/core.c:7376
 schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
 snd_rawmidi_write+0x492/0xc60 sound/core/rawmidi.c:1619
 do_loop_readv_writev fs/read_write.c:851 [inline]
 do_loop_readv_writev fs/read_write.c:836 [inline]
 vfs_writev+0x5ed/0xdd0 fs/read_write.c:1060
 do_writev+0x28a/0x340 fs/read_write.c:1104
 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: 0023:0xf70cefec
Code: Unable to access opcode bytes at 0xf70cefc2.
RSP: 002b:00000000f54bd50c EFLAGS: 00000292 ORIG_RAX: 0000000000000092
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000080000840
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>