rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2691 jiffies s: 37469 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15764 Comm: syz-executor.2 Not tainted 6.4.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x10/0x60 kernel/kcov.c:207
Code: 89 fb e8 13 00 00 00 48 8b 3d 44 4b ca 0c 48 89 de 5b e9 53 fe 56 00 0f 1f 00 f3 0f 1e fa 48 8b 04 24 65 48 8b 0d 10 3b 78 7e <65> 8b 15 11 3b 78 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74
RSP: 0018:ffffc90000007c88 EFLAGS: 00000002
RAX: ffffffff88d240e6 RBX: 0000000000000001 RCX: ffff888039e31dc0
RDX: ffff888039e31dc0 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff888037eb4000 R08: ffffffff88d240d9 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
R13: ffffffff88d23f80 R14: ffff88807ac60340 R15: ffff88802c8b3c00
FS:  00007f7e6ad45700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002003d030 CR3: 0000000079fe8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 advance_sched+0x166/0xc80 net/sched/sch_taprio.c:932
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x13f/0x480 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:list_empty_careful include/linux/list.h:328 [inline]
RIP: 0010:finish_wait+0x89/0x1e0 kernel/sched/wait.c:409
Code: 04 28 84 c0 0f 85 4c 01 00 00 c7 03 00 00 00 00 49 8d 5f 18 49 89 de 49 c1 ee 03 41 80 3c 2e 00 74 08 48 89 df e8 e7 f3 7a 00 <48> 8b 03 48 39 d8 75 29 48 89 e9 4d 8d 67 20 4c 89 e0 48 c1 e8 03
RSP: 0018:ffffc9000312f5b0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc9000312f658 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffc9000312f640 RDI: ffff888039e33518
RBP: dffffc0000000000 R08: dffffc0000000000 R09: fffffbfff1cab8b6
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d58dec0
R13: ffff88807d58dec0 R14: 1ffff92000625ecb R15: ffffc9000312f640
 unix_wait_for_peer+0x281/0x340 net/unix/af_unix.c:1452
 unix_dgram_sendmsg+0x134c/0x2050 net/unix/af_unix.c:2048
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg net/socket.c:747 [inline]
 ____sys_sendmsg+0x58f/0x890 net/socket.c:2503
 ___sys_sendmsg net/socket.c:2557 [inline]
 __sys_sendmmsg+0x3af/0x730 net/socket.c:2643
 __do_sys_sendmmsg net/socket.c:2672 [inline]
 __se_sys_sendmmsg net/socket.c:2669 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2669
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7e6a08c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7e6ad45168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f7e6a1abf80 RCX: 00007f7e6a08c169
RDX: 0000000000000318 RSI: 00000000200bd000 RDI: 0000000000000004
RBP: 00007f7e6a0e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda2ae1c6f R14: 00007f7e6ad45300 R15: 0000000000022000
 </TASK>