------------[ cut here ]------------
WARNING: CPU: 1 PID: 7331 at net/mac80211/tx.c:5029 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5029 [inline]
WARNING: CPU: 1 PID: 7331 at net/mac80211/tx.c:5029 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline]
WARNING: CPU: 1 PID: 7331 at net/mac80211/tx.c:5029 __ieee80211_beacon_get+0x149c/0x16e0 net/mac80211/tx.c:5438
Modules linked in:
CPU: 1 PID: 7331 Comm: syz-executor.1 Not tainted 6.8.0-rc4-syzkaller-00014-g7e90b5c295ec #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5029 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5024 [inline]
RIP: 0010:__ieee80211_beacon_get+0x149c/0x16e0 net/mac80211/tx.c:5438
Code: 23 89 ef 44 89 e6 e8 23 25 54 f7 44 38 e5 72 a4 e8 59 2b 54 f7 48 89 df e8 01 7e a4 f7 31 db e9 9f fe ff ff e8 45 2b 54 f7 90 <0f> 0b 90 e9 aa f6 ff ff 48 89 04 24 e8 73 bb ae f7 48 8b 04 24 e9
RSP: 0000:ffffc90000578bd0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffc90000578c80 RCX: ffffffff8a37af75
RDX: ffff888025014800 RSI: ffffffff8a37b8cb RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888026885400
R13: 0000000000000041 R14: ffff888066a54c80 R15: ffff888066a566e8
FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:000000005709c400
CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002e333000 CR3: 000000001fb9e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5565
ieee80211_beacon_get include/net/mac80211.h:5452 [inline]
mac80211_hwsim_beacon_tx+0x3f6/0x740 drivers/net/wireless/virtual/mac80211_hwsim.c:2275
__iterate_interfaces+0x2d2/0x580 net/mac80211/util.c:767
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:803
mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2305
__run_hrtimer kernel/time/hrtimer.c:1689 [inline]
__hrtimer_run_queues+0x203/0xc30 kernel/time/hrtimer.c:1753
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1770
__do_softirq+0x21c/0x8e7 kernel/softirq.c:553
invoke_softirq kernel/softirq.c:427 [inline]
__irq_exit_rcu kernel/softirq.c:632 [inline]
irq_exit_rcu+0xbb/0x120 kernel/softirq.c:644
sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1076
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:finish_task_switch.isra.0+0x223/0xcb0 kernel/sched/core.c:5274
Code: 0a 00 00 44 8b 0d 65 44 1b 0e 45 85 c9 0f 85 c4 01 00 00 48 89 df e8 ac f8 ff ff e8 97 ea 34 00 fb 65 48 8b 1c 25 80 c2 03 00 <48> 8d bb d8 15 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0000:ffffc90002ed7d18 EFLAGS: 00000202
RAX: 0000000000001d19 RBX: ffff888025014800 RCX: 1ffffffff1ef1c89
RDX: 0000000000000000 RSI: ffffffff8aecb020 RDI: ffffffff8b4db8c0
RBP: ffffc90002ed7d60 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8f7916d7 R11: 0000000000000000 R12: ffff88802c33da38
R13: ffff888020ef2400 R14: 0000000000000000 R15: ffff88802c33ccc0
context_switch kernel/sched/core.c:5403 [inline]
__schedule+0xf1a/0x5c60 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0xe9/0x280 kernel/sched/core.c:6817
exit_to_user_mode_loop kernel/entry/common.c:96 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
irqentry_exit_to_user_mode+0xea/0x290 kernel/entry/common.c:225
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:654
RIP: 0023:0xf72f1ac9
Code: 10 89 74 24 14 8d 74 26 00 8b 45 08 8b 4d 0c 83 c5 08 89 ce 39 d0 19 fe 72 ef 89 44 24 0c 8b 44 24 10 89 4c 24 10 8b 74 24 14 <83> e8 08 89 f9 39 f2 19 d9 73 15 8d 74 26 00 8b 70 f8 8b 58 fc 83
RSP: 002b:00000000ffd5bd20 EFLAGS: 00000246
RAX: 00000000f6bb23d0 RBX: 00000000ffffffff RCX: 0000000000000000
RDX: 0000000088963a97 RSI: 0000000088963a97 RDI: 00000000ffffffff
RBP: 00000000f6bb2298 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 0a 00 or (%rax),%al
2: 00 44 8b 0d add %al,0xd(%rbx,%rcx,4)
6: 65 44 1b 0e sbb %gs:(%rsi),%r9d
a: 45 85 c9 test %r9d,%r9d
d: 0f 85 c4 01 00 00 jne 0x1d7
13: 48 89 df mov %rbx,%rdi
16: e8 ac f8 ff ff call 0xfffff8c7
1b: e8 97 ea 34 00 call 0x34eab7
20: fb sti
21: 65 48 8b 1c 25 80 c2 mov %gs:0x3c280,%rbx
28: 03 00
* 2a: 48 8d bb d8 15 00 00 lea 0x15d8(%rbx),%rdi <-- trapping instruction
31: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
38: fc ff df
3b: 48 89 fa mov %rdi,%rdx
3e: 48 rex.W
3f: c1 .byte 0xc1