rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P16981 1-.... } 5982 jiffies s: 260189 root: 0x2/T
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 16981 Comm: syz.4.2518 Not tainted 6.1.110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:clockevents_program_event+0x1b3/0x310 kernel/time/clockevents.c:334
Code: c3 be 0d 00 49 83 ff 3f 0f 87 52 01 00 00 e8 54 bb 0d 00 44 89 f9 48 d3 ed 49 8d 7c 24 08 48 89 f8 48 c1 e8 03 42 80 3c 28 00 <74> 05 e8 16 3d 65 00 48 89 ef 4c 89 e6 41 ff 54 24 08 89 c5 31 ff
RSP: 0018:ffffc900001e0190 EFLAGS: 00000046
RAX: 1ffff110171e4e39 RBX: ffff8880b8f271f4 RCX: 0000000000000020
RDX: 0000000000010100 RSI: 0000000000000020 RDI: ffff8880b8f271c8
RBP: 00000000000000df R08: ffffffff817cf3dd R09: fffffbfff1d33c96
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b8f271c0
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000020
FS:  00007f284a1a86c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31517ff8 CR3: 0000000050f04000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 hrtimer_interrupt+0x546/0x980 kernel/time/hrtimer.c:1828
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:slab_free_freelist_hook mm/slub.c:1761 [inline]
RIP: 0010:slab_free mm/slub.c:3661 [inline]
RIP: 0010:__kmem_cache_free+0x1c3/0x3c0 mm/slub.c:3674
Code: 00 c7 44 24 04 01 00 00 00 e9 1a 01 00 00 4c 89 7c 24 10 c7 44 24 04 01 00 00 00 31 c0 48 89 44 24 18 45 31 f6 4c 89 eb eb 10 <ff> 4c 24 04 4c 39 eb 4c 89 fb 0f 84 d3 00 00 00 41 8b 44 24 28 4c
RSP: 0018:ffffc900001e03c8 EFLAGS: 00000202
RAX: db8d50a2fc110f01 RBX: ffff88804fe08800 RCX: ffffffff816af0fa
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: ffffffff8b5d6dc0
RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff223b85c
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888017c41dc0
R13: ffff88804fe08800 R14: 0000000000000000 R15: 0000000000000000
 skb_free_head net/core/skbuff.c:762 [inline]
 skb_release_data+0x5de/0x7a0 net/core/skbuff.c:791
 skb_release_all net/core/skbuff.c:856 [inline]
 __kfree_skb net/core/skbuff.c:870 [inline]
 kfree_skb_reason+0x16f/0x390 net/core/skbuff.c:893
 tcp_v4_rcv+0x270b/0x3250 net/ipv4/tcp_ipv4.c:2145
 ip_protocol_deliver_rcu+0x381/0x740 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x304/0x580 net/ipv4/ip_input.c:233
 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
 NF_HOOK+0x39d/0x450 include/linux/netfilter.h:302
 __netif_receive_skb_one_core net/core/dev.c:5528 [inline]
 __netif_receive_skb+0x1c6/0x530 net/core/dev.c:5642
 process_backlog+0x381/0x760 net/core/dev.c:5970
 __napi_poll+0xc7/0x470 net/core/dev.c:6537
 napi_poll net/core/dev.c:6604 [inline]
 net_rx_action+0x70f/0xeb0 net/core/dev.c:6718
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 do_softirq+0x162/0x240 kernel/softirq.c:472
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:396
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 __icmp_send+0xd8b/0x1530 net/ipv4/icmp.c:774
 icmp_send include/net/icmp.h:43 [inline]
 ip_fragment+0x181/0x220 net/ipv4/ip_output.c:587
 dst_output include/net/dst.h:444 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 __ip_queue_xmit+0x11b1/0x1b60 net/ipv4/ip_output.c:532
 __tcp_transmit_skb+0x1e33/0x33a0 net/ipv4/tcp_output.c:1403
 tcp_transmit_skb net/ipv4/tcp_output.c:1421 [inline]
 tcp_write_xmit+0x1a60/0x64c0 net/ipv4/tcp_output.c:2709
 __tcp_push_pending_frames+0x97/0x350 net/ipv4/tcp_output.c:2894
 tcp_sendmsg_locked+0x21de/0x4100 net/ipv4/tcp.c:1441
 tcp_sendmsg+0x2c/0x40 net/ipv4/tcp.c:1490
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2514
 ___sys_sendmsg net/socket.c:2568 [inline]
 __sys_sendmsg+0x2a9/0x390 net/socket.c:2597
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f284937def9
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:00007f284a1a8038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f2849535f80 RCX: 00007f284937def9
RDX: 00000000000052cc RSI: 0000000020000040 RDI: 000000000000000b
RBP: 00007f28493f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2849535f80 R15: 00007fff72c0ebf8
 </TASK>