------------[ cut here ]------------
WARNING: CPU: 1 PID: 14475 at net/mac80211/tx.c:5135 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5135 [inline]
WARNING: CPU: 1 PID: 14475 at net/mac80211/tx.c:5135 __ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5546
Modules linked in:
CPU: 1 PID: 14475 Comm: dhcpcd-run-hook Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5135 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1141/0x1520 net/mac80211/tx.c:5546
Code: f7 4c 89 ef e8 90 08 b1 f7 45 31 ed 4c 8b bc 24 a0 00 00 00 e9 7f fe ff ff e8 5b aa 72 f7 0f 0b e9 61 f8 ff ff e8 4f aa 72 f7 <0f> 0b e9 85 fb ff ff e8 43 aa 72 f7 48 c7 c7 a0 f3 66 8f 4c 89 e6
RSP: 0018:ffffc900001f0a18 EFLAGS: 00010246
RAX: ffffffff8a153451 RBX: dffffc0000000000 RCX: ffff8880329b1e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880329b1e00 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff88805c496420
R13: ffff88801f3a7424 R14: ffff88805c496910 R15: ffff88801f3a7400
FS: 0000000000000000(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe60102f10 CR3: 000000005d024000 CR4: 00000000003526e0
Call Trace:
ieee80211_beacon_get_tim+0xbf/0x580 net/mac80211/tx.c:5673
ieee80211_beacon_get include/net/mac80211.h:5447 [inline]
mac80211_hwsim_beacon_tx+0x3bd/0x770 drivers/net/wireless/virtual/mac80211_hwsim.c:2271
__iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:766
ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 net/mac80211/util.c:802
mac80211_hwsim_beacon+0xbb/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2301
__run_hrtimer kernel/time/hrtimer.c:1754 [inline]
__hrtimer_run_queues+0x525/0xc10 kernel/time/hrtimer.c:1818
hrtimer_run_softirq+0x177/0x290 kernel/time/hrtimer.c:1835
handle_softirqs+0x27d/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:mt_slot lib/maple_tree.c:814 [inline]
RIP: 0010:mas_slot lib/maple_tree.c:847 [inline]
RIP: 0010:mt_validate_nulls lib/maple_tree.c:7183 [inline]
RIP: 0010:mt_validate+0x3d6a/0x4410 lib/maple_tree.c:7237
Code: 24 b8 00 00 00 09 0f 84 9e 05 00 00 e8 bf 8b 02 f7 49 89 dc 4c 8b b4 24 a0 00 00 00 0f b6 04 24 4c 89 7c 24 08 48 89 44 24 28 <4d> 8d 3c c7 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8
RSP: 0018:ffffc900032973c0 EFLAGS: 00000293
RAX: 0000000000000001 RBX: ffff888027d36d00 RCX: ffff8880329b1e00
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000000
RBP: ffffc90003297570 R08: ffff8880329b1e00 R09: 0000000000000003
R10: 0000000000000003 R11: 0000000000000000 R12: ffff888027d36d00
R13: dffffc0000000000 R14: ffff888033605f40 R15: ffff8880274b6e80
validate_mm+0xc6/0x450 mm/mmap.c:288
__split_vma+0xa39/0xc20 mm/mmap.c:2433
do_vmi_align_munmap+0x310/0x16a0 mm/mmap.c:2509
do_vmi_munmap+0x252/0x2d0 mm/mmap.c:2668
__mmap_region mm/mmap.c:2718 [inline]
mmap_region+0x8d9/0x2090 mm/mmap.c:2949
do_mmap+0x98f/0x10a0 mm/mmap.c:1393
vm_mmap_pgoff+0x1c4/0x3f0 mm/util.c:573
ksys_mmap_pgoff+0x4c9/0x720 mm/mmap.c:1439
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f11832a7242
Code: 08 00 04 00 00 eb e2 90 41 f7 c1 ff 0f 00 00 75 27 55 89 cd 53 48 89 fb 48 85 ff 74 33 41 89 ea 48 89 df b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5e 5b 5d c3 0f 1f 00 c7 05 46 40 01 00 16 00
RSP: 002b:00007ffe60102ef8 EFLAGS: 00000206
ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f11831d1000 RCX: 00007f11832a7242
RDX: 0000000000000005 RSI: 0000000000086000 RDI: 00007f11831d1000
RBP: 0000000000000812 R08: 0000000000000003 R09: 0000000000010000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffe60102f48
R13: 00007f11832830c0 R14: 00007ffe60103300 R15: 00000fffcc0205e2
----------------
Code disassembly (best guess):
0: 24 b8 and $0xb8,%al
2: 00 00 add %al,(%rax)
4: 00 09 add %cl,(%rcx)
6: 0f 84 9e 05 00 00 je 0x5aa
c: e8 bf 8b 02 f7 call 0xf7028bd0
11: 49 89 dc mov %rbx,%r12
14: 4c 8b b4 24 a0 00 00 mov 0xa0(%rsp),%r14
1b: 00
1c: 0f b6 04 24 movzbl (%rsp),%eax
20: 4c 89 7c 24 08 mov %r15,0x8(%rsp)
25: 48 89 44 24 28 mov %rax,0x28(%rsp)
* 2a: 4d 8d 3c c7 lea (%r15,%rax,8),%r15 <-- trapping instruction
2e: 4c 89 f8 mov %r15,%rax
31: 48 c1 e8 03 shr $0x3,%rax
35: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
3a: 74 08 je 0x44
3c: 4c 89 ff mov %r15,%rdi
3f: e8 .byte 0xe8