rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2676 jiffies s: 10045 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4104 Comm: syz.3.74 Not tainted 6.1.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__lock_release kernel/locking/lockdep.c:5320 [inline] RIP: 0010:lock_release+0x1d9/0xa20 kernel/locking/lockdep.c:5682 Code: eb 03 42 0f b6 04 3b 84 c0 0f 85 6e 05 00 00 c7 84 24 80 00 00 00 01 00 00 00 48 c7 c0 a4 08 9a 8e 48 c1 e8 03 42 0f b6 04 38 <84> c0 4c 8b 74 24 10 0f 85 6e 05 00 00 83 3d 17 6e 2f 0d 00 0f 84 RSP: 0000:ffffc90000007300 EFLAGS: 00000807 RAX: 0000000000000000 RBX: 1ffff92000000e70 RCX: ffffc90000007303 RDX: 0000000000000000 RSI: ffffffff8b0c0f40 RDI: ffffffff8b5d62c0 RBP: ffffc90000007430 R08: dffffc0000000000 R09: fffffbfff1d33a7e R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000e6c R13: 0000000000000046 R14: ffffc900000073b0 R15: dffffc0000000000 FS: 00007f3051f016c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000100000000 CR3: 000000005f53e000 CR4: 00000000003506f0 Call Trace: __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline] _raw_spin_unlock_irqrestore+0x75/0x130 kernel/locking/spinlock.c:194 hrtimer_interrupt+0x53c/0x980 kernel/time/hrtimer.c:1822 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:jhash+0x42c/0x6c0 include/linux/jhash.h:96 Code: 01 00 00 41 0f b6 07 c1 e0 10 01 c5 4d 8d 7e 05 4c 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 98 01 00 00 41 0f b6 07 c1 e0 08 <01> c5 4d 8d 7e 04 4c 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 53 RSP: 0000:ffffc900000076e8 EFLAGS: 00000206 RAX: 0000000000000100 RBX: 000000006155db3f RCX: ffff88807fb15940 RDX: dffffc0000000000 RSI: ffffffff8d995ac0 RDI: 0000000000000006 RBP: 000000006155db3f R08: 0000000000000005 R09: ffffffff8438b691 R10: 000000000000000c R11: ffff88807fb15940 R12: 000000006155db3f R13: dffffc0000000000 R14: ffff88805917645a R15: ffff88805917645f rht_key_get_hash include/linux/rhashtable.h:133 [inline] rht_key_hashfn include/linux/rhashtable.h:159 [inline] __rhashtable_lookup include/linux/rhashtable.h:596 [inline] rhltable_lookup+0x265/0x7f0 include/linux/rhashtable.h:688 sta_info_hash_lookup net/mac80211/sta_info.c:195 [inline] sta_info_get_bss+0x124/0x320 net/mac80211/sta_info.c:232 ieee80211_rx_for_interface+0x102/0x3c0 net/mac80211/rx.c:4968 __ieee80211_rx_handle_packet net/mac80211/rx.c:5133 [inline] ieee80211_rx_list+0x29a2/0x3380 net/mac80211/rx.c:5259 ieee80211_rx_napi+0x186/0x3b0 net/mac80211/rx.c:5282 ieee80211_rx include/net/mac80211.h:4830 [inline] ieee80211_handle_queued_frames+0x103/0x1b0 net/mac80211/main.c:315 tasklet_action_common+0x3cb/0x4a0 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_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 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 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 a9 0e 34 f7 48 RSP: 0000:ffffc900031cf720 EFLAGS: 00000282 RAX: abc344eba5fc7700 RBX: 1ffff92000639eec RCX: ffffffff816ae04a RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: 0000000000000001 RBP: ffffc900031cf7e0 R08: dffffc0000000000 R09: fffffbfff20e764b R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000639ee4 R13: 1ffff92000639ee8 R14: ffffc900031cf740 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:trace_lock_acquire include/trace/events/lock.h:24 [inline] RIP: 0010:lock_acquire+0xf3/0x5a0 kernel/locking/lockdep.c:5633 Code: 0d 0f 86 e4 02 00 00 89 db 48 89 d8 48 c1 e8 06 48 8d 3c c5 e8 d3 99 8e be 08 00 00 00 e8 35 ad 77 00 48 0f a3 1d b5 60 2f 0d <73> 0d e8 c6 e4 08 00 84 c0 0f 84 b9 02 00 00 48 c7 c0 a4 08 9a 8e RSP: 0000:ffffc900031cf8a0 EFLAGS: 00000257 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff816a732b RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e99d3e8 RBP: ffffc900031cfa00 R08: dffffc0000000000 R09: fffffbfff1d33a7e R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000639f1c R13: dffffc0000000000 R14: 0000000000000000 R15: dffffc0000000000 rcu_lock_acquire include/linux/rcupdate.h:350 [inline] rcu_read_lock include/linux/rcupdate.h:791 [inline] blk_cgroup_congested+0x36/0x220 block/blk-cgroup.c:1997 __cgroup_throttle_swaprate+0x6d/0x1b0 mm/swapfile.c:3671 cgroup_throttle_swaprate include/linux/swap.h:662 [inline] wp_page_copy+0x461/0x18c0 mm/memory.c:3160 handle_pte_fault mm/memory.c:5031 [inline] __handle_mm_fault mm/memory.c:5155 [inline] handle_mm_fault+0x2525/0x5340 mm/memory.c:5276 do_user_addr_fault arch/x86/mm/fault.c:1340 [inline] handle_page_fault arch/x86/mm/fault.c:1431 [inline] exc_page_fault+0x26f/0x620 arch/x86/mm/fault.c:1487 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:570 RIP: 0033:0x7f3051049cdb Code: 00 74 24 80 3d 10 ba df 00 00 0f b6 35 06 ba df 00 75 4c 80 3d 01 ba df 00 00 75 43 40 84 f6 75 3e 66 0f 1f 44 00 00 48 89 ef 60 fa ff ff 8b 45 0c 85 c0 75 38 b9 40 42 0f 00 ba 81 00 00 00 RSP: 002b:00007f3051f010f0 EFLAGS: 00010246 RAX: 0000000000000001 RBX: 00007f3051315f88 RCX: 00007f3051179e79 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3051315f80 RBP: 00007f3051315f80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3051315f8c R13: 0000000000000000 R14: 00007ffe3af8b7e0 R15: 00007ffe3af8b8c8