rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2710 jiffies s: 2013 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: 3857 Comm: syz.4.53 Not tainted 6.1.106-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:lookup_chain_cache kernel/locking/lockdep.c:3718 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3738 [inline]
RIP: 0010:validate_chain+0x162/0x5950 kernel/locking/lockdep.c:3793
Code: 88 10 00 0f 84 ea 03 00 00 48 b8 eb 83 b5 80 46 86 c8 61 49 0f af c6 48 c1 e8 2f 48 8d 1c c5 a0 b1 5f 90 48 89 d8 48 c1 e8 03 <48> 89 44 24 58 42 80 3c 20 00 74 08 48 89 df e8 ea f1 76 00 48 89
RSP: 0018:ffffc900001df780 EFLAGS: 00000802
RAX: 1ffffffff20d60df RBX: ffffffff906b06f8 RCX: ffffffff816b2c82
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9073b228
RBP: ffffc900001dfa30 R08: dffffc0000000000 R09: fffffbfff20e7646
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8880254ac6d0 R14: 3fbde5c2879fe4a6 R15: 1ffff11004a958da
FS:  00007f23072396c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3175ee CR3: 0000000057d89000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __lock_acquire+0x125b/0x1f80 kernel/locking/lockdep.c:5049
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 seqcount_lockdep_reader_access+0xf8/0x220 include/linux/seqlock.h:102
 timekeeping_get_delta kernel/time/timekeeping.c:254 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:388 [inline]
 ktime_get+0x7f/0x270 kernel/time/timekeeping.c:848
 hrtimer_forward_now include/linux/hrtimer.h:508 [inline]
 perf_swevent_hrtimer+0x43b/0x4f0 kernel/events/core.c:10875
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x5a7/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 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:rcu_read_unlock_special+0x84/0x540 kernel/rcu/tree_plugin.h:682
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 1d 48 8e 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:ffffc900001e0340 EFLAGS: 00000206
RAX: ca7eafcd3badd000 RBX: 1ffff9200003c070 RCX: ffffffff816ae04a
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: ffffffff8b5d62c0
RBP: ffffc900001e0420 R08: dffffc0000000000 R09: fffffbfff20e7662
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d32fe00
R13: ffff8880254abfd8 R14: ffffc900001e0380 R15: 1ffff9200003c06c
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 is_bpf_text_address+0x27a/0x2a0 kernel/bpf/core.c:733
 kernel_text_address+0x9f/0xd0 kernel/extable.c:125
 __kernel_text_address+0x9/0x40 kernel/extable.c:79
 unwind_get_return_address+0x49/0x80 arch/x86/kernel/unwind_orc.c:323
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 kmem_cache_alloc_node+0x136/0x310 mm/slub.c:3443
 __alloc_skb+0xde/0x670 net/core/skbuff.c:505
 alloc_skb include/linux/skbuff.h:1271 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:424
 ndisc_send_rs+0x269/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_irq_work+0x8e/0xb0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6870
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 99 54 b0 f6 e8 04 56 e3 f6 fb bf 01 00 00 00 <e8> 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 a9 0e 34 f7 48
RSP: 0018:ffffc900049b7bc0 EFLAGS: 00000282
RAX: ca7eafcd3badd000 RBX: 1ffff92000936f80 RCX: ffffffff91f33103
RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001
RBP: ffffc900049b7c80 R08: ffffffff9013e040 R09: ffffffff9013e048
R10: ffffffff9013e058 R11: ffffffff9013e050 R12: 1ffff92000936f78
R13: 1ffff92000936f7c R14: ffffc900049b7be0 R15: dffffc0000000000
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:i_uid_write include/linux/fs.h:1629 [inline]
RIP: 0010:inode_init_always+0x223/0xc70 fs/inode.c:174
Code: e8 03 42 80 3c 28 00 74 08 48 89 ef e8 66 18 ea ff 48 8b 7d 00 31 f6 e8 bb 1f 8e ff 89 c5 4c 89 e0 48 c1 e8 03 42 0f b6 04 28 <84> c0 0f 85 f1 07 00 00 89 6b 04 43 80 3c 2e 00 74 08 4c 89 ff e8
RSP: 0018:ffffc900049b7d40 EFLAGS: 00000a07
RAX: 0000000000000000 RBX: ffff8880712d86c0 RCX: 0000000000040000
RDX: ffffc90005901000 RSI: 0000000000000165 RDI: 0000000000000166
RBP: 0000000000000000 R08: ffffffff81862746 R09: ffffed100e25b11a
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880712d86c4
R13: dffffc0000000000 R14: 1ffff1100e25b0dd R15: ffff8880712d86e8
 alloc_inode fs/inode.c:268 [inline]
 new_inode_pseudo+0x94/0x1d0 fs/inode.c:1020
 sock_alloc net/socket.c:631 [inline]
 __sock_create+0x11f/0x910 net/socket.c:1514
 sock_create net/socket.c:1601 [inline]
 __sys_socket_create net/socket.c:1638 [inline]
 __sys_socket+0x136/0x3a0 net/socket.c:1666
 __do_sys_socket net/socket.c:1679 [inline]
 __se_sys_socket net/socket.c:1677 [inline]
 __x64_sys_socket+0x76/0x80 net/socket.c:1677
 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: 0033:0x7f2306379e79
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:00007f2307239038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f2306515f80 RCX: 00007f2306379e79
RDX: 0000000000000300 RSI: 0200000000000002 RDI: 0000000000000011
RBP: 00007f23063e793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2306515f80 R15: 00007ffeed6b1748
 </TASK>