------------[ cut here ]------------
!local->started
WARNING: net/mac80211/rx.c:5471 at ieee80211_rx_list+0x1547/0x2fc0 net/mac80211/rx.c:5471, CPU#0: syz.2.865/10813
Modules linked in:
CPU: 0 UID: 0 PID: 10813 Comm: syz.2.865 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ieee80211_rx_list+0x1547/0x2fc0 net/mac80211/rx.c:5471
Code: 3d 1e 12 df 05 41 0f b6 d5 0f b6 f3 67 48 0f b9 3a e9 ad ef ff ff e8 08 24 fd f6 90 0f 0b 90 e9 58 ee ff ff e8 fa 23 fd f6 90 <0f> 0b 90 e9 91 ef ff ff e8 ec 23 fd f6 44 0f b6 75 48 bf 30 00 00
RSP: 0018:ffffc90000007c38 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8b0b9e0d
RDX: ffff88802e393d00 RSI: ffffffff8b0bb0c6 RDI: ffff88802e393d00
RBP: ffff888036ee1000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888036ee10d8
R13: ffff888030883168 R14: ffff888030880720 R15: ffff888030880ec0
FS: 00007f8ac2b196c0(0000) GS:ffff88812433f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006841a000 CR4: 0000000000350ef0
Call Trace:
ieee80211_rx_napi+0xdc/0x400 net/mac80211/rx.c:5611
ieee80211_rx include/net/mac80211.h:5267 [inline]
ieee80211_handle_queued_frames+0xc8/0x120 net/mac80211/main.c:452
tasklet_action_common+0x2de/0x3d0 kernel/softirq.c:925
handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
RIP: 0010:rcu_is_watching+0x19/0xc0 kernel/rcu/tree.c:752
Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 53 65 ff 05 73 b4 20 12 e8 1e f9 a1 09 48 c7 c3 e8 4c 0f 94 <89> c5 83 f8 07 0f 87 82 00 00 00 48 8d 3c ed e0 28 13 8e 48 b8 00
RSP: 0018:ffffc90004ecee18 EFLAGS: 00000282
RAX: 0000000000000000 RBX: ffffffff940f4ce8 RCX: ffffc90004173000
RDX: 0000000000080000 RSI: ffffffff8c1b1220 RDI: ffffffff8c1b1260
RBP: ffffffff827fa002 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000006d6d
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000001
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x263/0x320 kernel/locking/lockdep.c:5879
rcu_lock_release include/linux/rcupdate.h:322 [inline]
rcu_read_unlock include/linux/rcupdate.h:881 [inline]
__update_page_owner_handle+0x3c7/0x550 mm/page_owner.c:270
__set_page_owner+0x11f/0x540 mm/page_owner.c:342
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x153/0x170 mm/page_alloc.c:1889
prep_new_page mm/page_alloc.c:1897 [inline]
get_page_from_freelist+0x111d/0x3140 mm/page_alloc.c:3962
__alloc_frozen_pages_noprof+0x27c/0x2ba0 mm/page_alloc.c:5250
alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2484
folio_alloc_mpol_noprof+0x36/0x340 mm/mempolicy.c:2503
shmem_alloc_folio+0x135/0x160 mm/shmem.c:1930
shmem_alloc_and_add_folio+0x371/0xd40 mm/shmem.c:1972
shmem_get_folio_gfp+0x6ab/0x1900 mm/shmem.c:2567
shmem_fault+0x1f9/0xa20 mm/shmem.c:2768
__do_fault+0x10d/0x550 mm/memory.c:5364
do_read_fault mm/memory.c:5799 [inline]
do_fault+0xabb/0x1990 mm/memory.c:5933
do_pte_missing mm/memory.c:4477 [inline]
handle_pte_fault mm/memory.c:6317 [inline]
__handle_mm_fault+0x180f/0x2b60 mm/memory.c:6455
handle_mm_fault+0x36d/0xa20 mm/memory.c:6624
faultin_page mm/gup.c:1126 [inline]
__get_user_pages+0xf9c/0x34d0 mm/gup.c:1428
populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860
__mm_populate+0x107/0x3a0 mm/gup.c:1963
mm_populate include/linux/mm.h:3894 [inline]
vm_mmap_pgoff+0x37f/0x470 mm/util.c:586
ksys_mmap_pgoff+0xe1/0x650 mm/mmap.c:605
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8ac1b9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8ac2b19028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f8ac1e15fa0 RCX: 00007f8ac1b9c799
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f8ac1c32c99 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8ac1e16038 R14: 00007f8ac1e15fa0 R15: 00007ffdf3afa6e8
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: f3 0f 1e fa endbr64
15: 55 push %rbp
16: 53 push %rbx
17: 65 ff 05 73 b4 20 12 incl %gs:0x1220b473(%rip) # 0x1220b491
1e: e8 1e f9 a1 09 call 0x9a1f941
23: 48 c7 c3 e8 4c 0f 94 mov $0xffffffff940f4ce8,%rbx
* 2a: 89 c5 mov %eax,%ebp <-- trapping instruction
2c: 83 f8 07 cmp $0x7,%eax
2f: 0f 87 82 00 00 00 ja 0xb7
35: 48 8d 3c ed e0 28 13 lea -0x71ecd720(,%rbp,8),%rdi
3c: 8e
3d: 48 rex.W
3e: b8 .byte 0xb8