------------[ cut here ]------------
WARNING: CPU: 0 PID: 6065 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
WARNING: CPU: 0 PID: 6065 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
WARNING: CPU: 0 PID: 6065 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Modules linked in:
CPU: 0 UID: 0 PID: 6065 Comm: syz-executor322 Not tainted 6.14.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline]
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline]
RIP: 0010:__ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469
Code: 00 89 df 44 89 e6 e8 23 c0 e1 f6 44 38 e3 72 a1 e8 39 c6 e1 f6 48 89 ef e8 b1 2f 3a f7 31 ed e9 9c fe ff ff e8 25 c6 e1 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 60 bc 2f 90 48 89 04 24
RSP: 0018:ffffc90000007b70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ad80442
RDX: ffff888021b54880 RSI: ffffffff8ad80dbb RDI: 0000000000000001
RBP: ffffc90000007c20 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000002 R12: ffff888024f3e400
R13: 0000000000000041 R14: ffff88803111cd80 R15: ffff88803111e9d0
FS: 0000555591df2380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007aaba000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596
ieee80211_beacon_get include/net/mac80211.h:5641 [inline]
mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311
__iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:760
ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:796
mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345
__run_hrtimer kernel/time/hrtimer.c:1801 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1882
handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
__do_softirq kernel/softirq.c:595 [inline]
invoke_softirq kernel/softirq.c:435 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x13/0x70 kernel/kcov.c:217
Code: 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 48 8b 15 54 05 4a 7e 65 8b 05 55 05 4a 7e 00 01 ff 00 48 8b 34 24 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75
RSP: 0018:ffffc9000423f4e8 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffffea0001c1ef80 RCX: ffffffff81fa84a1
RDX: ffff888021b54880 RSI: 0000000000000008 RDI: ffffea0001c1ef80
RBP: 0000000000000001 R08: 0000000000000001 R09: fffff94000383df0
R10: ffffea0001c1ef87 R11: 0000000000000001 R12: ffffea0001c1ef80
R13: 0000000000000000 R14: ffff888078c18e90 R15: ffff888078c18ec0
folio_flags.constprop.0+0xa/0x70 include/linux/page-flags.h:317
__folio_set_swapbacked include/linux/page-flags.h:539 [inline]
shmem_alloc_and_add_folio+0x4cf/0xc10 mm/shmem.c:1909
shmem_get_folio_gfp+0x689/0x1530 mm/shmem.c:2522
shmem_fault+0x200/0xae0 mm/shmem.c:2723
__do_fault+0x10a/0x490 mm/memory.c:4977
do_read_fault mm/memory.c:5392 [inline]
do_fault mm/memory.c:5526 [inline]
do_pte_missing+0xecf/0x3e10 mm/memory.c:4047
handle_pte_fault mm/memory.c:5889 [inline]
__handle_mm_fault+0x1166/0x2c60 mm/memory.c:6032
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6201
faultin_page mm/gup.c:1196 [inline]
__get_user_pages+0x773/0x36f0 mm/gup.c:1491
populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1929
__mm_populate+0x1d6/0x380 mm/gup.c:2032
mm_populate include/linux/mm.h:3386 [inline]
vm_mmap_pgoff+0x2d3/0x3a0 mm/util.c:580
ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:607
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f461f5bfe79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe54113708 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000014748 RCX: 00007f461f5bfe79
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000400000000000
RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000206 R12: 00007ffe5411373c
R13: 00007ffe54113770 R14: 00007ffe54113750 R15: 000000000000002c
----------------
Code disassembly (best guess):
0: 84 00 test %al,(%rax)
2: 00 00 add %al,(%rax)
4: 00 00 add %al,(%rax)
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: f3 0f 1e fa endbr64
1b: 65 48 8b 15 54 05 4a mov %gs:0x7e4a0554(%rip),%rdx # 0x7e4a0577
22: 7e
23: 65 8b 05 55 05 4a 7e mov %gs:0x7e4a0555(%rip),%eax # 0x7e4a057f
* 2a: a9 00 01 ff 00 test $0xff0100,%eax <-- trapping instruction
2f: 48 8b 34 24 mov (%rsp),%rsi
33: 74 1d je 0x52
35: f6 c4 01 test $0x1,%ah
38: 74 43 je 0x7d
3a: a9 00 00 0f 00 test $0xf0000,%eax
3f: 75 .byte 0x75