rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2667 jiffies s: 92677 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: 18030 Comm: modprobe Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__lock_release kernel/locking/lockdep.c:5381 [inline]
RIP: 0010:lock_release+0x2e8/0x920 kernel/locking/lockdep.c:5696
Code: 0f 85 88 02 00 00 48 8b 44 24 40 42 0f b6 04 28 84 c0 0f 85 80 04 00 00 48 8b 04 24 89 10 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 <4c> 8b 74 24 08 74 0e 4c 89 e7 48 89 d3 e8 96 e2 6e 00 48 89 da 49
RSP: 0018:ffffc900001e0680 EFLAGS: 00000046
RAX: 1ffff11004a8c166 RBX: 1ffff11004a8c16a RCX: 0000000000000001
RDX: 0000000000000002 RSI: ffffffff8cb2db60 RDI: ffff888025460b30
RBP: ffffc900001e0790 R08: ffffffff8e2118af R09: 1ffffffff1c42315
R10: dffffc0000000000 R11: fffffbfff1c42316 R12: ffff888025460b30
R13: dffffc0000000000 R14: ffff888025460b50 R15: 1ffff9200003c0dc
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7808763440 CR3: 0000000075e68000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_lock_release include/linux/rcupdate.h:355 [inline]
 rcu_read_unlock include/linux/rcupdate.h:824 [inline]
 trace_call_bpf+0x5ca/0x6b0 kernel/trace/bpf_trace.c:137
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10027
 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 12 7c 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:ffffc900001e0ac0 EFLAGS: 00000206
RAX: 3acc5df2b9215300 RBX: 1ffff9200003c160 RCX: 3acc5df2b9215300
RDX: dffffc0000000000 RSI: ffffffff8a8c1820 RDI: ffffffff8adf5fa0
RBP: ffffc900001e0bc0 R08: ffffffff90b12277 R09: 1ffffffff216244e
R10: dffffc0000000000 R11: fffffbfff216244f R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_rx_napi+0x23d/0x3c0 net/mac80211/rx.c:5341
 ieee80211_rx include/net/mac80211.h:4849 [inline]
 ieee80211_handle_queued_frames+0x104/0x1a0 net/mac80211/main.c:317
 tasklet_action_common+0x2d0/0x460 kernel/softirq.c:827
 handle_softirqs+0x291/0x910 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:kasan_set_track+0x6/0x70 mm/kasan/common.c:51
Code: ff 89 c6 31 d2 44 89 f1 41 89 d8 e8 14 0e 6a 02 48 8d 65 e8 5b 41 5e 41 5f 5d c3 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 53 48 83 e4 f0 48 81 ec 10 02 00 00 41 89 f6 48 89 fb 65 48
RSP: 0018:ffffc90003a47858 EFLAGS: 00000286
RAX: 0000000000000100 RBX: ffff88803e427200 RCX: 0000000000000000
RDX: 0000000000000cc0 RSI: 0000000000000cc0 RDI: ffff88803e427300
RBP: ffffc90003a47860 R08: 0000000000000cc0 R09: ffffed1007c84e40
R10: 000000006b60a777 R11: 00000000fe8b9668 R12: 0000000000000006
R13: ffff8880174c5000 R14: ffff8880174c5000 R15: 0000000000000001
 __kasan_slab_alloc+0x6b/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x4b/0x490 mm/slab.h:737
 kmem_cache_alloc_bulk+0x3ba/0x4e0 mm/slub.c:3880
 mt_alloc_bulk lib/maple_tree.c:159 [inline]
 mas_alloc_nodes+0x449/0x880 lib/maple_tree.c:1301
 mas_node_count_gfp lib/maple_tree.c:1361 [inline]
 mas_preallocate+0x162/0x3b0 lib/maple_tree.c:5809
 vma_expand+0x232/0x850 mm/mmap.c:544
 __mmap_region mm/mmap.c:2740 [inline]
 mmap_region+0xc69/0x1c50 mm/mmap.c:2916
 do_mmap+0x9ce/0x10d0 mm/mmap.c:1436
 vm_mmap_pgoff+0x1c1/0x2d0 mm/util.c:520
 ksys_mmap_pgoff+0x4bf/0x720 mm/mmap.c:1482
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7808a3d242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007ffd0f238d38 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f7808759000 RCX: 00007f7808a3d242
RDX: 0000000000000001 RSI: 0000000000002000 RDI: 00007f7808759000
RBP: 0000000000000812 R08: 0000000000000000 R09: 000000000000b000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffd0f238dc0
R13: 00007f7808a1a580 R14: 00007ffd0f2391b0 R15: 00000fffa1e471aa
 </TASK>