------------[ cut here ]------------
WARNING: CPU: 1 PID: 13381 at net/mac80211/tx.c:4861 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4861 [inline]
WARNING: CPU: 1 PID: 13381 at net/mac80211/tx.c:4861 __ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5085
Modules linked in:
CPU: 1 PID: 13381 Comm: syz.1.1751 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4861 [inline]
RIP: 0010:__ieee80211_beacon_get+0x179f/0x2000 net/mac80211/tx.c:5085
Code: 29 f8 0f 0b 4f 89 64 2f 04 4f 89 64 2f 0c 43 c6 44 2f 14 f8 e9 19 fe ff ff e8 0d 87 29 f8 0f 0b e9 03 ef ff ff e8 01 87 29 f8 <0f> 0b e9 76 f2 ff ff e8 25 b8 6d 00 89 d9 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc90000dd08e0 EFLAGS: 00010246
RAX: ffffffff894fc1ef RBX: ffff888025326268 RCX: ffff8880214c9dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000dd0b08 R08: ffff8880214c9dc0 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888025893a00
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920001ba12c
FS: 00007fa7966d96c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 0000000053b02000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x48/0x840 net/mac80211/tx.c:5204
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+0x4f2/0xb70 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x176/0x240 kernel/time/hrtimer.c:1766
handle_softirqs+0x339/0x830 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x13b/0x230 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:console_unlock+0xcad/0x1120 kernel/printk/printk.c:2749
Code: 75 11 e8 c6 dc 18 00 4d 85 ff 75 16 e8 bc dc 18 00 eb 15 e8 b5 dc 18 00 e8 f0 0d 5d 08 4d 85 ff 74 ea e8 a6 dc 18 00 fb 31 ff <89> de e8 fc df 18 00 85 db 0f 94 c0 22 44 24 17 3c 01 75 1f e8 8a
RSP: 0018:ffffc9000328f680 EFLAGS: 00000246
RAX: ffffffff81606c4a RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc900050f1000 RSI: 0000000000027ce1 RDI: 0000000000000000
RBP: ffffc9000328f8f0 R08: ffffffff901d81c7 R09: 1ffffffff203b038
R10: dffffc0000000000 R11: fffffbfff203b039 R12: 1ffffffff198d8b9
R13: 0000000000000031 R14: 0000000000000000 R15: 0000000000000200
vprintk_emit+0xc0/0x150 kernel/printk/printk.c:2274
_printk+0xda/0x130 kernel/printk/printk.c:2299
load_system_files+0x3657/0x55a0 fs/ntfs/super.c:1886
ntfs_fill_super+0x19e0/0x2c90 fs/ntfs/super.c:2894
mount_bdev+0x287/0x3c0 fs/super.c:1400
legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
vfs_get_tree+0x88/0x270 fs/super.c:1530
do_new_mount+0x24a/0xa40 fs/namespace.c:3034
do_mount fs/namespace.c:3377 [inline]
__do_sys_mount fs/namespace.c:3585 [inline]
__se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
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: 0033:0x7fa7984810ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fa7966d8e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa7966d8ee0 RCX: 00007fa7984810ca
RDX: 0000200000000080 RSI: 00002000000001c0 RDI: 00007fa7966d8ea0
RBP: 0000200000000080 R08: 00007fa7966d8ee0 R09: 0000000000800c84
R10: 0000000000800c84 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007fa7966d8ea0 R14: 000000000001ee75 R15: 0000200000000500
----------------
Code disassembly (best guess):
0: 75 11 jne 0x13
2: e8 c6 dc 18 00 call 0x18dccd
7: 4d 85 ff test %r15,%r15
a: 75 16 jne 0x22
c: e8 bc dc 18 00 call 0x18dccd
11: eb 15 jmp 0x28
13: e8 b5 dc 18 00 call 0x18dccd
18: e8 f0 0d 5d 08 call 0x85d0e0d
1d: 4d 85 ff test %r15,%r15
20: 74 ea je 0xc
22: e8 a6 dc 18 00 call 0x18dccd
27: fb sti
28: 31 ff xor %edi,%edi
* 2a: 89 de mov %ebx,%esi <-- trapping instruction
2c: e8 fc df 18 00 call 0x18e02d
31: 85 db test %ebx,%ebx
33: 0f 94 c0 sete %al
36: 22 44 24 17 and 0x17(%rsp),%al
3a: 3c 01 cmp $0x1,%al
3c: 75 1f jne 0x5d
3e: e8 .byte 0xe8
3f: 8a .byte 0x8a