------------[ cut here ]------------
WARNING: CPU: 0 PID: 4419 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 0 PID: 4419 Comm: syz-executor205 Not tainted 5.15.178-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:4851 [inline]
RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Code: ff e8 07 1d aa f7 0f 0b e9 4b fa ff ff e8 fb 1c aa f7 0f 0b e9 3b fe ff ff e8 ef 1c aa f7 0f 0b e9 06 ee ff ff e8 e3 1c aa f7 <0f> 0b e9 91 f0 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 2d ea
RSP: 0018:ffffc90000007840 EFLAGS: 00010246
RAX: ffffffff89d668ad RBX: 0000000000000000 RCX: ffff88807dde8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007a70 R08: ffffffff89d65938 R09: ffffffff89d6530b
R10: 0000000000000003 R11: ffff88807dde8000 R12: dffffc0000000000
R13: ffff88807cd9cc80 R14: ffff88807cd9e298 R15: 1ffff92000000f18
FS: 00007ff9ead056c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00004000000c8030 CR3: 00000000727cd000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_beacon_get_tim+0xb7/0x950 net/mac80211/tx.c:5194
ieee80211_beacon_get include/net/mac80211.h:4981 [inline]
mac80211_hwsim_beacon_tx+0xe2/0x8a0 drivers/net/wireless/mac80211_hwsim.c:1812
__iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0xaf/0x140 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xa7/0x180 drivers/net/wireless/mac80211_hwsim.c:1865
__run_hrtimer kernel/time/hrtimer.c:1688 [inline]
__hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1752
hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1769
handle_softirqs+0x3a7/0x930 kernel/softirq.c:558
__do_softirq kernel/softirq.c:592 [inline]
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:641
irq_exit_rcu+0x5/0x20 kernel/softirq.c:653
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:check_kcov_mode kernel/kcov.c:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:206
Code: 24 ea 81 7e 65 8b 15 25 ea 81 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 34 16 00 00 00 74 2c 8b 91 10 16 00 00 <83> fa 02 75 21 48 8b 91 18 16 00 00 48 8b 32 48 8d 7e 01 8b 89 14
RSP: 0018:ffffc9000374f0f8 EFLAGS: 00000246
RAX: ffffffff81ad43ab RBX: 0000000000000000 RCX: ffff88807dde8000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000374f230 R08: ffffffff81ad4138 R09: fffff9400037600f
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffd4000376008
R13: 0000000000000000 R14: ffffea0001bb0040 R15: ffffea0001bb0000
release_pages+0x61b/0x1f40 mm/swap.c:931
__pagevec_lru_add+0x1584/0x18d0 mm/swap.c:1056
lru_cache_add+0x556/0x7e0 mm/swap.c:453
wp_page_copy+0xec3/0x2070 mm/memory.c:3115
handle_pte_fault mm/memory.c:4666 [inline]
__handle_mm_fault mm/memory.c:4783 [inline]
handle_mm_fault+0x2a3d/0x5960 mm/memory.c:4881
do_user_addr_fault arch/x86/mm/fault.c:1357 [inline]
handle_page_fault arch/x86/mm/fault.c:1445 [inline]
exc_page_fault+0x271/0x700 arch/x86/mm/fault.c:1501
asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606
RIP: 0010:__put_user_nocheck_4+0x3/0x11
Code: 00 00 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 0f 1f 44 00 00 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb <89> 01 31 c9 0f 01 ca c3 66 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f
RSP: 0018:ffffc9000374f8f8 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 00004000000c8030 RCX: 00004000000c8030
RDX: ffff88807dde8000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc9000374fa70 R08: ffffffff884cf43d R09: fffff520006e9ed9
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 00004000000c8000 R14: 0000000000000002 R15: ffffc9000374fd60
____sys_recvmsg+0x35b/0x530 net/socket.c:2668
___sys_recvmsg+0x1ec/0x690 net/socket.c:2697
do_recvmmsg+0x36f/0x8f0 net/socket.c:2791
__sys_recvmmsg net/socket.c:2870 [inline]
__do_sys_recvmmsg net/socket.c:2893 [inline]
__se_sys_recvmmsg net/socket.c:2886 [inline]
__x64_sys_recvmmsg+0x195/0x240 net/socket.c:2886
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff9eb569fb9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff9ead05168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007ff9eb5f3438 RCX: 00007ff9eb569fb9
RDX: 0000000000010106 RSI: 00004000000000c0 RDI: 0000000000000003
RBP: 00007ff9eb5f3430 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 00007ff9eb5f343c
R13: 000000000000006e R14: 00007fffdcad5470 R15: 00007fffdcad5558
----------------
Code disassembly (best guess):
0: 24 ea and $0xea,%al
2: 81 7e 65 8b 15 25 ea cmpl $0xea25158b,0x65(%rsi)
9: 81 7e 81 e2 00 01 ff cmpl $0xff0100e2,-0x7f(%rsi)
10: 00 74 11 81 add %dh,-0x7f(%rcx,%rdx,1)
14: fa cli
15: 00 01 add %al,(%rcx)
17: 00 00 add %al,(%rax)
19: 75 35 jne 0x50
1b: 83 b9 34 16 00 00 00 cmpl $0x0,0x1634(%rcx)
22: 74 2c je 0x50
24: 8b 91 10 16 00 00 mov 0x1610(%rcx),%edx
* 2a: 83 fa 02 cmp $0x2,%edx <-- trapping instruction
2d: 75 21 jne 0x50
2f: 48 8b 91 18 16 00 00 mov 0x1618(%rcx),%rdx
36: 48 8b 32 mov (%rdx),%rsi
39: 48 8d 7e 01 lea 0x1(%rsi),%rdi
3d: 8b .byte 0x8b
3e: 89 .byte 0x89
3f: 14 .byte 0x14