------------[ cut here ]------------
WARNING: CPU: 1 PID: 5841 at net/mac80211/tx.c:4859 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
WARNING: CPU: 1 PID: 5841 at net/mac80211/tx.c:4859 __ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Modules linked in:
CPU: 1 PID: 5841 Comm: udevadm Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4859 [inline]
RIP: 0010:__ieee80211_beacon_get+0x172c/0x1f80 net/mac80211/tx.c:5083
Code: f8 0f 0b e9 f1 fa ff ff e8 51 6c 3a f8 0f 0b 4c 8b 74 24 08 e9 36 fe ff ff e8 40 6c 3a f8 0f 0b e9 3c ef ff ff e8 34 6c 3a f8 <0f> 0b e9 b8 f2 ff ff e8 68 ef 6b 00 44 89 e1 80 e1 07 80 c1 03 38
RSP: 0018:ffffc90000dd08c0 EFLAGS: 00010246
RAX: ffffffff893d5e5c RBX: ffff88805e094c80 RCX: ffff888020138000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0ae8 R08: ffff888020138000 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88807d1e5000
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba128
FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1458adfe9c CR3: 000000005fca1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5202
ieee80211_beacon_get include/net/mac80211.h:4983 [inline]
mac80211_hwsim_beacon_tx+0xf4/0x920 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xb3/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0x9b/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:instrument_atomic_read include/linux/instrumented.h:71 [inline]
RIP: 0010:atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline]
RIP: 0010:lock_page_memcg+0x20c/0x410 mm/memcontrol.c:2062
Code: ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 f6 44 24 41 02 0f 85 f9 00 00 00 f7 c3 00 02 00 00 74 01 fb 4d 8d af 80 10 00 00 <4c> 89 ef be 04 00 00 00 e8 f7 95 fb ff 4c 89 e8 48 c1 e8 03 48 b9
RSP: 0018:ffffc900033af760 EFLAGS: 00000206
RAX: 10d3f7b999548c00 RBX: 0000000000000286 RCX: 10d3f7b999548c00
RDX: dffffc0000000000 RSI: ffffffff8a0b18a0 RDI: ffffffff8a59a880
RBP: ffffc900033af838 R08: dffffc0000000000 R09: fffffbfff1ff7a19
R10: fffffbfff1ff7a19 R11: 1ffffffff1ff7a18 R12: ffff888016a7c670
R13: ffff888016a7d080 R14: ffffea00003b0138 R15: ffff888016a7c000
page_remove_rmap+0x2a/0x10f0 mm/rmap.c:1351
zap_pte_range mm/memory.c:1384 [inline]
zap_pmd_range mm/memory.c:1505 [inline]
zap_pud_range mm/memory.c:1534 [inline]
zap_p4d_range mm/memory.c:1555 [inline]
unmap_page_range+0xfbc/0x2520 mm/memory.c:1576
unmap_vmas+0x11b/0x230 mm/memory.c:1653
exit_mmap+0x38f/0x5f0 mm/mmap.c:3216
__mmput+0x115/0x3b0 kernel/fork.c:1127
exit_mm+0x567/0x6c0 kernel/exit.c:550
do_exit+0x5a1/0x20a0 kernel/exit.c:870
do_group_exit+0x12e/0x300 kernel/exit.c:997
__do_sys_exit_group kernel/exit.c:1008 [inline]
__se_sys_exit_group kernel/exit.c:1006 [inline]
__x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1458bdb6c5
Code: Unable to access opcode bytes at RIP 0x7f1458bdb69b.
RSP: 002b:00007fff8c6d71a8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f1458cdcfe8 RCX: 00007f1458bdb6c5
RDX: 00000000000000e7 RSI: fffffffffffffe60 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00007fff8c6d7140 R09: 0000000000000000
R10: 00007fff8c6d6ff0 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f1458cdb680 R15: 00007f1458cdd000
----------------
Code disassembly (best guess):
0: ff 48 c7 decl -0x39(%rax)
3: 44 24 40 rex.R and $0x40,%al
6: 00 00 add %al,(%rax)
8: 00 00 add %al,(%rax)
a: 9c pushf
b: 8f 44 24 40 pop 0x40(%rsp)
f: f6 44 24 41 02 testb $0x2,0x41(%rsp)
14: 0f 85 f9 00 00 00 jne 0x113
1a: f7 c3 00 02 00 00 test $0x200,%ebx
20: 74 01 je 0x23
22: fb sti
23: 4d 8d af 80 10 00 00 lea 0x1080(%r15),%r13
* 2a: 4c 89 ef mov %r13,%rdi <-- trapping instruction
2d: be 04 00 00 00 mov $0x4,%esi
32: e8 f7 95 fb ff call 0xfffb962e
37: 4c 89 e8 mov %r13,%rax
3a: 48 c1 e8 03 shr $0x3,%rax
3e: 48 rex.W
3f: b9 .byte 0xb9