rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2642 jiffies s: 136237 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: 28155 Comm: syz.4.7632 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1081 [inline] RIP: 0010:__sysvec_apic_timer_interrupt+0xe0/0x5a0 arch/x86/kernel/apic/apic.c:1124 Code: 06 48 8d 3c dd a8 6a 1f 8e be 08 00 00 00 e8 97 cb 9a 00 4c 0f a3 35 47 2f e9 0c 73 0d e8 18 d9 34 00 84 c0 0f 84 58 02 00 00 2b ab e1 08 89 c3 83 f8 08 0f 83 56 02 00 00 4c 8d 34 dd 80 49 RSP: 0018:ffffc900001e0490 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0a782465a8be7c00 RDX: 0000000000000000 RSI: ffffffff8adef740 RDI: ffffffff8adef700 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1c3ed56 R10: fffffbfff1c3ed56 R11: 1ffffffff1c3ed55 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f6cce3776c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f588a4a76c8 CR3: 000000005336c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:ieee80211_rx_h_decrypt net/mac80211/rx.c:1914 [inline] RIP: 0010:ieee80211_rx_handlers+0x19b0/0x7490 net/mac80211/rx.c:4049 Code: 80 3c 20 00 74 08 48 89 df e8 7c 65 38 f8 48 89 5c 24 48 4c 8b 2b 4d 89 ee 49 c1 ee 03 43 0f b6 04 26 84 c0 0f 85 2e 42 00 00 <41> 0f b7 5d 00 83 e3 0c bf 0c 00 00 00 89 de e8 2c 39 e8 f7 83 fb RSP: 0018:ffffc900001e0580 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880613b2e98 RCX: 0000000000040000 RDX: ffffc90002312000 RSI: 00000000000000d9 RDI: 00000000000000da RBP: ffffc900001e07b0 R08: dffffc0000000000 R09: ffffed100a2e21dc R10: ffffed100a2e21dc R11: 1ffff1100a2e21db R12: dffffc0000000000 R13: ffff88802f79203c R14: 1ffff11005ef2407 R15: ffff8880613b2dc0 ieee80211_invoke_rx_handlers net/mac80211/rx.c:4097 [inline] ieee80211_prepare_and_rx_handle+0x2288/0x6240 net/mac80211/rx.c:4922 __ieee80211_rx_handle_packet net/mac80211/rx.c:5144 [inline] ieee80211_rx_list+0x2158/0x2d00 net/mac80211/rx.c:5306 ieee80211_rx_napi+0x1a6/0x3c0 net/mac80211/rx.c:5329 ieee80211_rx include/net/mac80211.h:4846 [inline] ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317 tasklet_action_common+0x298/0x400 kernel/softirq.c:826 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596 __do_softirq kernel/softirq.c:630 [inline] invoke_softirq kernel/softirq.c:470 [inline] __irq_exit_rcu+0x12f/0x220 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 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:preempt_schedule_irq+0xac/0x150 kernel/sched/core.c:6873 Code: 44 24 20 f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 70 bf 01 00 00 00 e8 0f 42 37 f7 e8 4a be 66 f7 fb bf 01 00 00 00 df b9 ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24 RSP: 0018:ffffc900035d78e0 EFLAGS: 00000282 RAX: 0a782465a8be7c00 RBX: 0000000000000000 RCX: 0a782465a8be7c00 RDX: dffffc0000000000 RSI: ffffffff8a8c0580 RDI: 0000000000000001 RBP: ffffc900035d7980 R08: ffffffff8f9f7048 R09: ffffffff8f9f7058 R10: ffffffff8f9f7050 R11: ffffffff8f9f7043 R12: 0000000000000000 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920006baf1c irqentry_exit+0x63/0x70 kernel/entry/common.c:439 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lock_release+0x593/0x910 kernel/locking/lockdep.c:5686 Code: 00 00 00 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 75 75 f7 44 24 50 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 2f 00 00 00 00 66 43 c7 44 2f 09 00 00 43 c6 44 2f 0b 00 RSP: 0018:ffffc900035d7a40 EFLAGS: 00000206 RAX: 0000000000000001 RBX: ffffffffffffffff RCX: 0a782465a8be7c00 RDX: 0000000000000000 RSI: ffffffff8a8c1700 RDI: ffffffff8adef760 RBP: ffffc900035d7b50 R08: dffffc0000000000 R09: fffffbfff1c3ed56 R10: fffffbfff1c3ed56 R11: 1ffffffff1c3ed55 R12: ffff88802e4c6420 R13: dffffc0000000000 R14: ffff88802e4c6410 R15: 1ffff920006baf54 rcu_lock_release include/linux/rcupdate.h:355 [inline] rcu_read_unlock include/linux/rcupdate.h:824 [inline] xa_load+0x2bc/0x2e0 lib/xarray.c:1467 memcg_list_lru_allocated mm/list_lru.c:469 [inline] memcg_list_lru_alloc+0x11d/0xae0 mm/list_lru.c:483 memcg_slab_pre_alloc_hook mm/slab.h:494 [inline] slab_pre_alloc_hook+0x2b2/0x310 mm/slab.h:715 slab_alloc_node mm/slub.c:3279 [inline] slab_alloc mm/slub.c:3367 [inline] __kmem_cache_alloc_lru mm/slub.c:3374 [inline] kmem_cache_alloc_lru+0x49/0x2e0 mm/slub.c:3390 alloc_inode_sb include/linux/fs.h:3245 [inline] sock_alloc_inode+0x24/0xc0 net/socket.c:306 alloc_inode fs/inode.c:261 [inline] new_inode_pseudo+0x5f/0x1c0 fs/inode.c:1063 sock_alloc net/socket.c:631 [inline] __sock_create+0x129/0x940 net/socket.c:1514 sock_create net/socket.c:1606 [inline] __sys_socketpair+0x232/0x540 net/socket.c:1737 __do_sys_socketpair net/socket.c:1786 [inline] __se_sys_socketpair net/socket.c:1783 [inline] __x64_sys_socketpair+0x97/0xb0 net/socket.c:1783 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f6ccd58f6c9 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:00007f6cce377038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f6ccd7e5fa0 RCX: 00007f6ccd58f6c9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 00007f6ccd611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6ccd7e6038 R14: 00007f6ccd7e5fa0 R15: 00007ffe2b6ee7c8