rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=647/1/0x4000000000000000 softirq=33054/33055 fqs=2101 
	(detected by 1, t=10504 jiffies, g=46381, q=1295)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11314 Comm: syz.2.1719 Not tainted 5.15.176-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__perf_event_overflow+0xa2/0x530 kernel/events/core.c:9456
Code: 48 8b 6d 00 31 ff 48 89 ee e8 da 62 de ff 48 85 ed 0f 84 98 03 00 00 4c 89 ef 89 de e8 97 fc ff ff 89 c3 49 8d ad 24 04 00 00 <48> 89 e8 48 c1 e8 03 48 89 44 24 28 42 0f b6 04 20 84 c0 0f 85 9f
RSP: 0018:ffffc900000071d8 EFLAGS: 00000096
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888028009dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888020792dec R08: ffffffff81a22404 R09: ffffed10040f25c8
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880207929c8 R14: ffff888020792e38 R15: 0000000000000000
FS:  00007fab5402e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007aa24000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 perf_tp_event+0x363/0xc40 kernel/events/core.c:10022
 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9996
 perf_trace_preemptirq_template+0x31d/0x430 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x10e/0x190 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x520 kernel/rcu/tree_plugin.h:671
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 6d 82 96 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0018:ffffc90000007720 EFLAGS: 00000206
RAX: b4c0459333e0f700 RBX: 1ffff92000000eec RCX: ffffffff96a90f03
RDX: dffffc0000000000 RSI: ffffffff8aab2b80 RDI: ffffffff8af9f340
RBP: ffffc900000077f8 R08: ffffffff81870518 R09: ffffed10171c765a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8cb23d00
R13: ffff88802800a218 R14: ffffc90000007760 R15: 1ffff92000000ee8
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 netif_receive_skb_list_internal+0xafa/0xdf0 net/core/dev.c:5728
 gro_normal_list net/core/dev.c:5881 [inline]
 napi_complete_done+0x352/0x820 net/core/dev.c:6619
 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline]
 virtnet_poll+0xbd1/0x1260 drivers/net/virtio_net.c:1592
 __napi_poll+0xc7/0x440 net/core/dev.c:7043
 napi_poll net/core/dev.c:7110 [inline]
 net_rx_action+0x617/0xda0 net/core/dev.c:7200
 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
 __do_softirq kernel/softirq.c:592 [inline]
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
 common_interrupt+0xb3/0xd0 arch/x86/kernel/irq.c:240
 </IRQ>
 <TASK>
 asm_common_interrupt+0x22/0x40 arch/x86/include/asm/idtentry.h:667
RIP: 0010:ex_to_insn lib/extable.c:20 [inline]
RIP: 0010:cmp_ex_search+0x45/0x90 lib/extable.c:97
Code: 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 20 e7 93 fd 4c 8b 3b 4c 89 f0 48 c1 e8 03 0f b6 04 28 84 c0 75 37 49 63 1e <4c> 01 f3 31 c0 49 39 df 19 c0 49 39 df bd 01 00 00 00 0f 46 e8 4c
RSP: 0018:ffffc90003a47798 EFLAGS: 00000246
RAX: 0000000000000000 RBX: fffffffff567fd0c RCX: 0000000000080000
RDX: ffffc90005b79000 RSI: 0000000000001456 RDI: 0000000000001457
RBP: dffffc0000000000 R08: ffffffff8412df50 R09: ffffed10041e9478
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8c738368
R13: ffffc90003a47840 R14: ffffffff8c738428 R15: ffffffff843517e0
 __inline_bsearch include/linux/bsearch.h:15 [inline]
 bsearch+0x45/0xb0 lib/bsearch.c:33
 search_extable+0xaf/0xf0 lib/extable.c:116
 search_kernel_exception_table kernel/extable.c:48 [inline]
 search_exception_tables+0x36/0x60 kernel/extable.c:57
 fixup_exception+0x4d/0x13a0 arch/x86/mm/extable.c:157
 kernelmode_fixup_or_oops+0x6b/0xd0 arch/x86/mm/fault.c:719
 __bad_area_nosemaphore+0x117/0x580 arch/x86/mm/fault.c:766
 handle_page_fault arch/x86/mm/fault.c:1445 [inline]
 exc_page_fault+0x41b/0x700 arch/x86/mm/fault.c:1501
 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
RIP: 0010:strncpy_from_user+0x170/0x370 lib/strncpy_from_user.c:139
Code: 4c 89 ee e8 02 71 4b fd 49 83 fd 07 0f 86 a2 00 00 00 4c 89 7c 24 08 48 c7 44 24 10 f8 ff ff ff 45 31 e4 4c 89 f5 48 8b 04 24 <4e> 8b 3c 20 48 b8 ff fe fe fe fe fe fe fe 49 8d 1c 07 4d 89 fe 49
RSP: 0018:ffffc90003a47b90 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff888028009dc0
RDX: ffffc90005b79000 RSI: 000000000000007f RDI: 0000000000000007
RBP: ffffc90003a47cb0 R08: ffffffff843517be R09: ffffffff81d396b3
R10: 0000000000000003 R11: ffff888028009dc0 R12: 0000000000000000
R13: 000000000000007f R14: ffffc90003a47cb0 R15: 000000000000007f
 strncpy_from_bpfptr include/linux/bpfptr.h:84 [inline]
 bpf_prog_load+0x185/0x1b60 kernel/bpf/syscall.c:2238
 __sys_bpf+0x343/0x670 kernel/bpf/syscall.c:4656
 __do_sys_bpf kernel/bpf/syscall.c:4760 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4758 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4758
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fab561bdd29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fab5402e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fab563adfa0 RCX: 00007fab561bdd29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007fab56239b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fab563adfa0 R15: 00007ffd6cde6f08
 </TASK>