rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2672 jiffies s: 3133 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5058 Comm: syz-executor.2 Not tainted 6.5.0-rc1-syzkaller-00356-g3223eeaf0545 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data+0x32/0x90 kernel/kcov.c:236
Code: 89 f1 89 c6 49 89 d2 81 e6 00 01 00 00 49 89 f8 65 48 8b 14 25 80 b9 03 00 a9 00 01 ff 00 74 0e 85 f6 74 59 8b 82 04 16 00 00 <85> c0 74 4f 8b 82 e0 15 00 00 83 f8 03 75 44 48 8b 82 e8 15 00 00
RSP: 0018:ffffc900001e0c38 EFLAGS: 00000206
RAX: 0000000000000000 RBX: 000000000000b8e9 RCX: ffffffff8858edaf
RDX: ffff888025781dc0 RSI: 0000000000000100 RDI: 0000000000000004
RBP: ffff88807b5b9b50 R08: 0000000000000004 R09: 000000000000f99d
R10: 000000000000b8e9 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000007 R14: ffffed100f6b735a R15: 000000000000f99d
FS:  00005555557c2480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc933f78038 CR3: 000000004974a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 fq_pie_timer+0x1ff/0x4f0 net/sched/sch_fq_pie.c:386
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x764/0xb10 kernel/time/timer.c:2022
 run_timer_softirq+0x58/0xd0 kernel/time/timer.c:2035
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0xb7/0x120 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1109
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 16 df 31 f7 48 89 df e8 ce 57 32 f7 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 45 03 24 f7 65 8b 05 e6 13 ce 75 85 c0 74 12 5b
RSP: 0018:ffffc9000437f8d0 EFLAGS: 00000246
RAX: 0000000000000002 RBX: ffffffff922e6438 RCX: 1ffffffff1d56ba9
RDX: 0000000000000000 RSI: ffffffff8a6c7720 RDI: ffffffff8ac80840
RBP: 0000000000000282 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8eab8ed7 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000003670 R14: 0000000000000000 R15: 0000000000000000
 __debug_check_no_obj_freed lib/debugobjects.c:1042 [inline]
 debug_check_no_obj_freed+0x245/0x4c0 lib/debugobjects.c:1063
 slab_free_hook mm/slub.c:1767 [inline]
 slab_free_freelist_hook+0x182/0x1e0 mm/slub.c:1818
 slab_free mm/slub.c:3801 [inline]
 __kmem_cache_free+0xb8/0x2f0 mm/slub.c:3814
 kvfree+0x47/0x50 mm/util.c:650
 translate_table+0xc0c/0x17b0 net/ipv6/netfilter/ip6_tables.c:728
 do_replace net/ipv6/netfilter/ip6_tables.c:1150 [inline]
 do_ip6t_set_ctl+0x5ab/0xbd0 net/ipv6/netfilter/ip6_tables.c:1636
 nf_setsockopt+0x87/0xe0 net/netfilter/nf_sockopt.c:101
 ipv6_setsockopt+0x12b/0x190 net/ipv6/ipv6_sockglue.c:1017
 tcp_setsockopt+0x9d/0x100 net/ipv4/tcp.c:3696
 __sys_setsockopt+0x2ca/0x5b0 net/socket.c:2263
 __do_sys_setsockopt net/socket.c:2274 [inline]
 __se_sys_setsockopt net/socket.c:2271 [inline]
 __x64_sys_setsockopt+0xbd/0x150 net/socket.c:2271
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc933e7e87a
Code: ff ff ff c3 0f 1f 40 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7
RSP: 002b:00007ffd7cbef208 EFLAGS: 00000206 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ffd7cbef290 RCX: 00007fc933e7e87a
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00000000000002e8 R09: 0079746972756365
R10: 00007fc933f77fe0 R11: 0000000000000206 R12: 00007fc933f77f80
R13: 00007ffd7cbef22c R14: 0000000000000000 R15: 00007fc933f78d00
 </TASK>