rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2637 jiffies s: 1549 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 UID: 0 PID: 5230 Comm: syz-executor Not tainted 6.11.0-rc6-syzkaller-00183-gb831f83e40a2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:406 [inline]
RIP: 0010:unwind_next_frame+0xdd9/0x23a0 arch/x86/kernel/unwind_orc.c:585
Code: 84 37 f6 ff ff e8 97 d3 4e 00 48 8b 7c 24 28 e8 6d e6 ff ff 48 8b 0c 24 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 <0f> 85 2c 12 00 00 48 8b 54 24 10 48 89 43 48 48 b8 00 00 00 00 00
RSP: 0018:ffffc90000a17618 EFLAGS: 00000046
RAX: ffffffff81501d3c RBX: ffffc90000a17698 RCX: 1ffff92000142edc
RDX: dffffc0000000000 RSI: ffffffff813cd339 RDI: ffffc90000a18ed0
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffffffff914c8628
R13: ffffc90000a18ed8 R14: ffffffff914c862c R15: 0000000000000001
FS:  000055558a40c500(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32505ff8 CR3: 000000003282c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:370 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:387
 kmalloc_noprof include/linux/slab.h:681 [inline]
 dummy_urb_enqueue+0x8d/0x8a0 drivers/usb/gadget/udc/dummy_hcd.c:1271
 usb_hcd_submit_urb+0x2d1/0x2090 drivers/usb/core/hcd.c:1533
 usb_submit_urb+0x87c/0x1730 drivers/usb/core/urb.c:581
 ath9k_hif_usb_reg_in_cb+0x494/0x690 drivers/net/wireless/ath/ath9k/hif_usb.c:792
 __usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
 usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
 dummy_timer+0x17c3/0x38d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
 __run_hrtimer kernel/time/hrtimer.c:1689 [inline]
 __hrtimer_run_queues+0x20c/0xcc0 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x450 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x43/0xb0 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:should_failslab+0xa8/0x120 mm/failslab.c:45
Code: 40 74 45 48 8d 7b 1c c1 ee 0d 48 b8 00 00 00 00 00 fc ff df 48 89 f9 89 f2 48 c1 e9 03 83 e2 01 0f b6 0c 01 48 89 f8 83 e0 07 <83> c0 03 38 c8 7c 04 84 c9 75 5c 8b 73 1c 48 c7 c7 20 c0 f6 8d e8
RSP: 0018:ffffc90000a181c8 EFLAGS: 00000202
RAX: 0000000000000004 RBX: ffff88801ac41dc0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88801ac41ddc
RBP: ffffc90000a18228 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: ffff8880b8929418 R12: ffff88801ac41dc0
R13: 0000000000000920 R14: 0000000000000398 R15: ffffffff8a93c0fa
 slab_pre_alloc_hook mm/slub.c:3945 [inline]
 slab_alloc_node mm/slub.c:4021 [inline]
 __do_kmalloc_node mm/slub.c:4161 [inline]
 __kmalloc_noprof+0xcb/0x400 mm/slub.c:4174
 kmalloc_noprof include/linux/slab.h:685 [inline]
 kzalloc_noprof include/linux/slab.h:807 [inline]
 ieee802_11_parse_elems_full+0xea/0x1680 net/mac80211/parse.c:958
 ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2361 [inline]
 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2368 [inline]
 ieee80211_inform_bss+0xfd/0x1100 net/mac80211/scan.c:79
 rdev_inform_bss net/wireless/rdev-ops.h:418 [inline]
 cfg80211_inform_single_bss_data+0x8e2/0x1dc0 net/wireless/scan.c:2335
 cfg80211_inform_bss_data+0x205/0x39c0 net/wireless/scan.c:3159
 cfg80211_inform_bss_frame_data+0x271/0x7a0 net/wireless/scan.c:3254
 ieee80211_bss_info_update+0x311/0xab0 net/mac80211/scan.c:226
 ieee80211_scan_rx+0x474/0xac0 net/mac80211/scan.c:340
 __ieee80211_rx_handle_packet net/mac80211/rx.c:5225 [inline]
 ieee80211_rx_list+0x1be3/0x2e90 net/mac80211/rx.c:5462
 ieee80211_rx_napi+0xdd/0x400 net/mac80211/rx.c:5485
 ieee80211_rx include/net/mac80211.h:5124 [inline]
 ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:439
 tasklet_action_common.constprop.0+0x24c/0x3e0 kernel/softirq.c:785
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x70 kernel/kcov.c:216
Code: 00 48 8b 34 24 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 1c 16 00 00 85 c0 74 2b 8b 82 f8 15 00 00 <83> f8 02 75 20 48 8b 8a 00 16 00 00 8b 92 fc 15 00 00 48 8b 01 48
RSP: 0018:ffffc9000371f268 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff902cd964 RCX: ffffffff813cd424
RDX: ffff88802bc38000 RSI: ffffffff813cd3c3 RDI: 0000000000000006
RBP: ffffffff902cd964 R08: 0000000000000006 R09: ffffffff81e052d0
R10: ffffffff81e051b8 R11: 0000000000000000 R12: ffffffff81e052d0
R13: ffffffff81e051b8 R14: dffffc0000000000 R15: ffffffff902cd964
 __orc_find+0x63/0x130 arch/x86/kernel/unwind_orc.c:104
 orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
 unwind_next_frame+0x335/0x23a0 arch/x86/kernel/unwind_orc.c:494
 arch_stack_walk+0x100/0x170 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
 save_stack+0x162/0x1f0 mm/page_owner.c:156
 __reset_page_owner+0x8d/0x400 mm/page_owner.c:297
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1101 [inline]
 free_unref_page+0x64a/0xe40 mm/page_alloc.c:2619
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:322
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3992 [inline]
 slab_alloc_node mm/slub.c:4041 [inline]
 kmem_cache_alloc_noprof+0x121/0x2f0 mm/slub.c:4048
 ptlock_alloc+0x1f/0x70 mm/memory.c:6589
 ptlock_init include/linux/mm.h:2944 [inline]
 pagetable_pte_ctor include/linux/mm.h:2971 [inline]
 __pte_alloc_one_noprof include/asm-generic/pgalloc.h:73 [inline]
 pte_alloc_one+0x74/0x370 arch/x86/mm/pgtable.c:33
 __pte_alloc+0x6e/0x3a0 mm/memory.c:448
 copy_pte_range mm/memory.c:1106 [inline]
 copy_pmd_range mm/memory.c:1252 [inline]
 copy_pud_range mm/memory.c:1289 [inline]
 copy_p4d_range mm/memory.c:1313 [inline]
 copy_page_range+0x3285/0x57e0 mm/memory.c:1411
 dup_mmap kernel/fork.c:749 [inline]
 dup_mm kernel/fork.c:1672 [inline]
 copy_mm kernel/fork.c:1721 [inline]
 copy_process+0x8117/0x8de0 kernel/fork.c:2374
 kernel_clone+0xfd/0x960 kernel/fork.c:2781
 __do_sys_clone+0xba/0x100 kernel/fork.c:2924
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb253d73753
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffd8bf6c128 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb253d73753
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055558a40c7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000001eb3c R14: 000000000001ea12 R15: 00007ffd8bf6c2b0
 </TASK>