------------[ cut here ]------------
WARNING: CPU: 0 PID: 6145 at net/mac80211/tx.c:4944 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
WARNING: CPU: 0 PID: 6145 at net/mac80211/tx.c:4944 __ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Modules linked in:
CPU: 0 PID: 6145 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4944 [inline]
RIP: 0010:__ieee80211_beacon_get+0x1233/0x1600 net/mac80211/tx.c:5345
Code: 24 4c 89 e7 e8 0e 35 0b f8 45 31 f6 4c 8b bc 24 a0 00 00 00 e9 7a fe ff ff e8 09 9e d2 f7 0f 0b e9 f6 f7 ff ff e8 fd 9d d2 f7 <0f> 0b e9 48 fb ff ff e8 f1 9d d2 f7 48 c7 c7 b0 cb fa 8d 4c 89 e6
RSP: 0018:ffffc90000007a10 EFLAGS: 00010246
RAX: ffffffff89afd5b3 RBX: ffffffff89afc3b6 RCX: ffff88802e195940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff88802e195940 R09: 0000000000000003
R10: 0000000000000007 R11: 0000000000000100 R12: ffff888062d1a228
R13: dffffc0000000000 R14: ffff888062d1a760 R15: ffff88805526b024
FS: 0000555557646500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3181eff8 CR3: 0000000063032000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0x63/0x4e0 net/mac80211/tx.c:5472
ieee80211_beacon_get include/net/mac80211.h:5335 [inline]
mac80211_hwsim_beacon_tx+0x21c/0xae0 drivers/net/wireless/mac80211_hwsim.c:2091
__iterate_interfaces+0x243/0x500 net/mac80211/util.c:788
ieee80211_iterate_active_interfaces_atomic+0xd7/0x170 net/mac80211/util.c:824
mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2147
__run_hrtimer kernel/time/hrtimer.c:1747 [inline]
__hrtimer_run_queues+0x560/0xd70 kernel/time/hrtimer.c:1811
hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
__do_softirq kernel/softirq.c:630 [inline]
invoke_softirq kernel/softirq.c:470 [inline]
__irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:console_emit_next_record+0x970/0xba0 kernel/printk/printk.c:2786
Code: 0f 85 a7 00 00 00 e8 1f a8 1a 00 0f b6 5c 24 0f 4d 85 e4 75 07 e8 10 a8 1a 00 eb 06 e8 09 a8 1a 00 fb 66 43 c7 44 3d 24 f8 f8 <43> c6 44 3d 26 f8 49 81 c6 00 06 06 06 4f 89 74 3d 14 66 43 c7 44
RSP: 0018:ffffc900032172c0 EFLAGS: 00000293
RAX: ffffffff8167cba7 RBX: 0000000000000001 RCX: ffff88802e195940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900032174e0 R08: ffffffff90af5247 R09: 1ffffffff215ea48
R10: dffffc0000000000 R11: fffffbfff215ea49 R12: 0000000000000200
R13: 1ffff92000642e64 R14: f8f8f8f8f2f2f2f8 R15: dffffc0000000000
console_flush_all kernel/printk/printk.c:-1 [inline]
console_unlock+0x223/0x630 kernel/printk/printk.c:2906
vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
_printk+0xda/0x130 kernel/printk/printk.c:2328
_erofs_err+0x135/0x190 fs/erofs/super.c:35
z_erofs_pcluster_readmore+0x367/0x4f0 fs/erofs/zdata.c:1658
z_erofs_read_folio+0x287/0x630 fs/erofs/zdata.c:1681
filemap_read_folio+0x16b/0x770 mm/filemap.c:2490
do_read_cache_folio+0x2a0/0x760 mm/filemap.c:3659
erofs_bread+0x18e/0x670 fs/erofs/data.c:50
erofs_readdir+0x2a8/0xb30 fs/erofs/dir.c:65
iterate_dir+0x218/0x560 fs/readdir.c:-1
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0xf2/0x270 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fca3d5c4933
Code: c7 c0 e8 ff ff ff 64 c7 00 16 00 00 00 31 c0 eb 9e e8 81 9b fd ff 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 e8 ff ff ff f7 d8
RSP: 002b:00007ffe437570c8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 0000555557661a30 RCX: 00007fca3d5c4933
RDX: 0000000000008000 RSI: 0000555557661a60 RDI: 0000000000000005
RBP: 0000555557661a60 R08: 00007fca3d7eacc0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 0000555557661a34
R13: ffffffffffffffe8 R14: 0000000000000010 R15: 00007ffe43759370
----------------
Code disassembly (best guess):
0: 0f 85 a7 00 00 00 jne 0xad
6: e8 1f a8 1a 00 call 0x1aa82a
b: 0f b6 5c 24 0f movzbl 0xf(%rsp),%ebx
10: 4d 85 e4 test %r12,%r12
13: 75 07 jne 0x1c
15: e8 10 a8 1a 00 call 0x1aa82a
1a: eb 06 jmp 0x22
1c: e8 09 a8 1a 00 call 0x1aa82a
21: fb sti
22: 66 43 c7 44 3d 24 f8 movw $0xf8f8,0x24(%r13,%r15,1)
29: f8
* 2a: 43 c6 44 3d 26 f8 movb $0xf8,0x26(%r13,%r15,1) <-- trapping instruction
30: 49 81 c6 00 06 06 06 add $0x6060600,%r14
37: 4f 89 74 3d 14 mov %r14,0x14(%r13,%r15,1)
3c: 66 data16
3d: 43 rex.XB
3e: c7 .byte 0xc7
3f: 44 rex.R