------------[ cut here ]------------
WARNING: CPU: 0 PID: 27777 at net/mac80211/rx.c:5235 ieee80211_rx_list+0x2307/0x2e40 net/mac80211/rx.c:5235
Modules linked in:
CPU: 0 PID: 27777 Comm: syz.0.7349 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:ieee80211_rx_list+0x2307/0x2e40 net/mac80211/rx.c:5235
Code: 0f 0b e9 17 e1 ff ff e8 37 b3 d1 f7 e9 0d e1 ff ff e8 2d b3 d1 f7 e9 03 e1 ff ff e8 23 b3 d1 f7 e9 f9 e0 ff ff e8 19 b3 d1 f7 <0f> 0b e9 ed e0 ff ff e8 0d b3 d1 f7 48 c7 44 24 48 00 00 00 00 e9
RSP: 0018:ffffc900000079e0 EFLAGS: 00010246
RAX: ffffffff89b07e77 RBX: ffff8880779615bd RCX: ffff88802d9b0000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffffc90000007bf0 R08: dffffc0000000000 R09: 1ffffffff2162648
R10: dffffc0000000000 R11: fffffbfff2162649 R12: ffff88805e103b40
R13: ffff888077963348 R14: ffff888077960ea0 R15: dffffc0000000000
FS: 00007fd41bbc76c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff4d5beb840 CR3: 0000000020669000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
ieee80211_rx_napi+0x1aa/0x3c0 net/mac80211/rx.c:5340
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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xb6/0x160 kernel/sched/core.c:6875
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 7f bf 01 00 00 00 e8 45 22 1f f7 e8 b0 ff 4e f7 fb bf 01 00 00 00 25 ba ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc900036bf500 EFLAGS: 00000286
RAX: 86accf601c10b400 RBX: 0000000000000000 RCX: 86accf601c10b400
RDX: dffffc0000000000 RSI: ffffffff8a8c1820 RDI: 0000000000000001
RBP: ffffc900036bf5a0 R08: ffffffff90b13257 R09: 1ffffffff216264a
R10: dffffc0000000000 R11: fffffbfff216264b R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920006d7ea0
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_acquire+0x225/0x4a0 kernel/locking/lockdep.c:5680
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc900036bf660 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: 86accf601c10b400
RDX: 0000000000000000 RSI: ffffffff8a8c29a0 RDI: ffffffff8adf6220
RBP: ffffc900036bf770 R08: dffffc0000000000 R09: 1ffffffff216264a
R10: dffffc0000000000 R11: fffffbfff216264b R12: 0000000000000000
R13: 1ffff920006d7ed8 R14: 0000000000000246 R15: dffffc0000000000
__fs_reclaim_acquire mm/page_alloc.c:4749 [inline]
fs_reclaim_acquire+0x6d/0x100 mm/page_alloc.c:4763
might_alloc include/linux/sched/mm.h:271 [inline]
slab_pre_alloc_hook+0x2a/0x300 mm/slab.h:710
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+0x56/0x2f0 mm/slub.c:3383
vm_area_dup+0x23/0x1a0 kernel/fork.c:468
dup_mmap kernel/fork.c:647 [inline]
dup_mm kernel/fork.c:1552 [inline]
copy_mm+0xb13/0x1680 kernel/fork.c:1601
copy_process+0x1952/0x4070 kernel/fork.c:2358
kernel_clone+0x24b/0x900 kernel/fork.c:2765
__do_sys_clone kernel/fork.c:2906 [inline]
__se_sys_clone kernel/fork.c:2890 [inline]
__x64_sys_clone+0x1a7/0x220 kernel/fork.c:2890
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: 0033:0x7fd41ad9e159
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:00007fd41bbc6fd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd41b026090 RCX: 00007fd41ad9e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000021140200
RBP: 00007fd41ae35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fd41b026128 R14: 00007fd41b026090 R15: 00007ffc75cb8eb8
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 43 c6 44 37 04 f8 movb $0xf8,0x4(%r15,%r14,1)
8: 74 0b je 0x15
a: 0f 0b ud2
c: 48 f7 03 08 00 00 00 testq $0x8,(%rbx)
13: 74 7f je 0x94
15: bf 01 00 00 00 mov $0x1,%edi
1a: e8 45 22 1f f7 call 0xf71f2264
1f: e8 b0 ff 4e f7 call 0xf74effd4
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 25 ba ff ff call 0xffffba54 <-- trapping instruction
2f: 43 c6 44 37 08 00 movb $0x0,0x8(%r15,%r14,1)
35: 48 c7 44 24 40 00 00 movq $0x0,0x40(%rsp)
3c: 00 00
3e: 9c pushf
3f: 8f .byte 0x8f