rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2691 jiffies s: 1649 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: 4701 Comm: syz.2.119 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:migrate_enable+0x14f/0x220 kernel/sched/core.c:2258
Code: 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 be 00 00 00 ff 0b bf 01 00 00 00 e8 f8 c9 ff ff 65 8b 05 b9 4d a9 7e <85> c0 74 33 65 48 8b 04 25 28 00 00 00 48 3b 44 24 10 75 46 48 83
RSP: 0018:ffffc900001e03f0 EFLAGS: 00000013
RAX: 0000000000000101 RBX: ffff8880b8f3b810 RCX: 0000000000000100
RDX: 0000000000000100 RSI: ffffffff8adf0c00 RDI: 00000000ffffffff
RBP: 1ffff1100356f087 R08: dffffc0000000000 R09: 1ffffffff215e648
R10: dffffc0000000000 R11: fffffbfff215e649 R12: 0000000000120000
R13: dffffc0000000000 R14: ffffffff8c64f988 R15: ffff88801ab78000
FS:  00007f6e14c4a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7e4c7dfd58 CR3: 0000000082dee000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 bpf_prog_run_array include/linux/bpf.h:1672 [inline]
 trace_call_bpf+0x4b1/0x6b0 kernel/trace/bpf_trace.c:135
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:9997
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 92 30 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0760 EFLAGS: 00000206
RAX: e707ed68eb644b00 RBX: 1ffff9200003c0f4 RCX: e707ed68eb644b00
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0c20
RBP: ffffc900001e0860 R08: ffffffff90af332f R09: 1ffffffff215e665
R10: dffffc0000000000 R11: fffffbfff215e666 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3b900 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ndisc_send_skb+0xd9d/0x14e0 net/ipv6/ndisc.c:521
 addrconf_rs_timer+0x2d1/0x630 net/ipv6/addrconf.c:3979
 call_timer_fn+0x1ac/0x670 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x53e/0x800 kernel/time/timer.c:2023
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:244 [inline]
RIP: 0010:__sanitizer_cov_trace_cmp8+0x4/0x80 kernel/kcov.c:293
Code: 77 22 89 ff 89 f6 49 ff c0 4c 89 01 48 c7 44 11 08 04 00 00 00 48 89 7c 11 10 48 89 74 11 18 48 89 44 11 20 c3 90 48 8b 04 24 <65> 48 8b 0d e4 fa 7f 7e 65 8b 15 e5 fa 7f 7e 81 e2 00 01 ff 00 74
RSP: 0018:ffffc90003737950 EFLAGS: 00000203
RAX: ffffffff813a0e7c RBX: 00000000713bbea8 RCX: ffff88801ab78000
RDX: 0000000000000002 RSI: ffff8880f13bbea8 RDI: 00000000713bbea8
RBP: ffffc90003737af0 R08: ffffffff90af3347 R09: 1ffffffff215e668
R10: dffffc0000000000 R11: fffffbfff215e669 R12: dffffc0000000000
R13: 1ffff920006e6f48 R14: ffff8880f13bbea8 R15: 0000000000000000
 __virt_addr_valid+0x4c/0x540 arch/x86/mm/physaddr.c:61
 kasan_addr_to_slab+0x9/0xc0 mm/kasan/common.c:36
 __kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:471
 call_rcu+0x14f/0x990 kernel/rcu/tree.c:2849
 destroy_inode fs/inode.c:316 [inline]
 evict+0x834/0x8d0 fs/inode.c:720
 smc_clcsock_release+0xc5/0xe0 net/smc/smc_close.c:34
 __smc_release+0x661/0x7d0 net/smc/af_smc.c:300
 smc_release+0x2ca/0x530 net/smc/af_smc.c:343
 __sock_release net/socket.c:654 [inline]
 sock_close+0xd5/0x240 net/socket.c:1399
 __fput+0x22c/0x920 fs/file_table.c:320
 task_work_run+0x1d0/0x260 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6e13d9aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6e14c4a028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffff8d RBX: 00007f6e14015fa0 RCX: 00007f6e13d9aeb9
RDX: 00000000200048cc RSI: 0000200000000240 RDI: 0000000000000006
RBP: 00007f6e13e08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6e14016038 R14: 00007f6e14015fa0 R15: 00007ffea8c9ca88
 </TASK>