------------[ cut here ]------------
WARNING: CPU: 1 PID: 6634 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 1 PID: 6634 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Modules linked in:
CPU: 1 PID: 6634 Comm: modprobe Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Code: 24 4c 89 e7 e8 8e f7 09 f8 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 89 57 d1 f7 0f 0b e9 f6 f7 ff ff e8 7d 57 d1 f7 <0f> 0b e9 48 fb ff ff e8 71 57 d1 f7 48 c7 c7 90 ef fa 8d 4c 89 e6
RSP: 0018:ffffc900001e0a30 EFLAGS: 00010246
RAX: ffffffff89b11dd3 RBX: ffffffff89b10bd6 RCX: ffff888023485940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888023485940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805430e228
R13: dffffc0000000000 R14: ffff88805430e760 R15: ffff88801afcc824
FS: 00007f3ee90a7c80(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ee927ba90 CR3: 0000000045679000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5472
ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1747 [inline]
__hrtimer_run_queues+0x54a/0xd50 kernel/time/hrtimer.c:1811
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
handle_softirqs+0x2a1/0x930 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:__unwind_start+0x595/0x740 arch/x86/kernel/unwind_orc.c:716
Code: 0f 92 c2 20 ca 80 fa 01 75 3e 48 8b 54 24 20 4c 39 e2 0f 97 c1 48 39 c2 0f 96 c0 20 c8 3c 01 75 27 48 8b 44 24 08 80 3c 30 00 <4c> 8b 64 24 18 74 08 4c 89 e7 e8 dc 3e 9a 00 48 8b 44 24 10 49 39
RSP: 0018:ffffc9000ed970e8 EFLAGS: 00000246
RAX: 1ffff92001db2e30 RBX: ffffc9000ed97148 RCX: 0000000000000001
RDX: ffffc9000ed971d8 RSI: dffffc0000000000 RDI: ffffc9000ed970e8
RBP: 1ffff92001db2e2a R08: ffffc9000ed97101 R09: ffffc9000ed97148
R10: dffffc0000000000 R11: fffff52001db2e35 R12: ffffc9000ed90000
R13: ffffc9000ed97158 R14: 1ffff92001db2e2b R15: ffffc9000ed97150
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xda/0x140 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_free_info+0x2d/0x50 mm/kasan/generic.c:516
____kasan_slab_free+0x126/0x1e0 mm/kasan/common.c:237
kasan_slab_free include/linux/kasan.h:177 [inline]
slab_free_hook mm/slub.c:1729 [inline]
slab_free_freelist_hook+0x131/0x1a0 mm/slub.c:1755
slab_free mm/slub.c:3687 [inline]
kmem_cache_free+0xf7/0x290 mm/slub.c:3709
mas_destroy+0x2583/0x2d90 lib/maple_tree.c:5867
mas_store_prealloc+0x33a/0x440 lib/maple_tree.c:5792
__vma_adjust+0x131e/0x1cd0 mm/mmap.c:832
vma_adjust include/linux/mm.h:2810 [inline]
__split_vma+0x3a7/0x500 mm/mmap.c:-1
mprotect_fixup+0x5b1/0x800 mm/mprotect.c:623
do_mprotect_pkey+0x7fe/0xba0 mm/mprotect.c:792
__do_sys_mprotect mm/mprotect.c:819 [inline]
__se_sys_mprotect mm/mprotect.c:816 [inline]
__x64_sys_mprotect+0x7c/0x90 mm/mprotect.c:816
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: 0033:0x7f3ee94362c7
Code: 89 3d fd 3f 01 00 eb 90 0f 1f 00 f7 d8 89 05 f0 3f 01 00 48 c7 c0 ff ff ff ff eb 91 0f 1f 80 00 00 00 00 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d c9 3f 01 00 f7 d8 89 01 48 83
RSP: 002b:00007fff6fb224c8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00007f3ee91150c0 RCX: 00007f3ee94362c7
RDX: 0000000000000001 RSI: 0000000000001000 RDI: 00007f3ee9112000
RBP: 00007fff6fb22790 R08: 0000000000000000 R09: 00007f3ee91b0c90
R10: 00007f3ee91150c0 R11: 0000000000000206 R12: 0000000000000030
R13: 0000005c193b9912 R14: 0000000000000000 R15: 00007f3ee944a310
----------------
Code disassembly (best guess):
0: 0f 92 c2 setb %dl
3: 20 ca and %cl,%dl
5: 80 fa 01 cmp $0x1,%dl
8: 75 3e jne 0x48
a: 48 8b 54 24 20 mov 0x20(%rsp),%rdx
f: 4c 39 e2 cmp %r12,%rdx
12: 0f 97 c1 seta %cl
15: 48 39 c2 cmp %rax,%rdx
18: 0f 96 c0 setbe %al
1b: 20 c8 and %cl,%al
1d: 3c 01 cmp $0x1,%al
1f: 75 27 jne 0x48
21: 48 8b 44 24 08 mov 0x8(%rsp),%rax
26: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1)
* 2a: 4c 8b 64 24 18 mov 0x18(%rsp),%r12 <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 dc 3e 9a 00 call 0x9a3f15
39: 48 8b 44 24 10 mov 0x10(%rsp),%rax
3e: 49 rex.WB
3f: 39 .byte 0x39