------------[ cut here ]------------
WARNING: CPU: 0 PID: 12631 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075
Modules linked in:
CPU: 0 PID: 12631 Comm: syz.3.2480 Not tainted 5.15.172-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
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 17 cd b4 f7 0f 0b e9 4b fa ff ff e8 0b cd b4 f7 0f 0b e9 3b fe ff ff e8 ff cc b4 f7 0f 0b e9 06 ee ff ff e8 f3 cc b4 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: ffffffff89cba6ad RBX: 0000000000000000 RCX: ffff8880271c3b80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007a70 R08: ffffffff89cb9738 R09: ffffffff89cb910b
R10: 0000000000000003 R11: ffff8880271c3b80 R12: dffffc0000000000
R13: ffff888061eecc80 R14: ffff888061eee298 R15: 1ffff92000000f18
FS: 00007fb707f846c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c24c30e CR3: 000000007adcd000 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:native_irq_enable arch/x86/include/asm/irqflags.h:45 [inline]
RIP: 0010:arch_local_irq_enable arch/x86/include/asm/irqflags.h:80 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:140 [inline]
RIP: 0010:___slab_alloc+0xa36/0xe10 mm/slub.c:2996
Code: 00 00 44 8b 6c 24 10 0f 84 53 f6 ff ff fb e9 4d f6 ff ff e8 6c e1 6a 08 41 f7 c5 00 02 00 00 0f 84 37 fe ff ff fb 8b 6c 24 10 84 f6 ff ff 0f 0b e9 69 f8 ff ff e8 49 e1 6a 08 e9 66 f7 ff ff
RSP: 0018:ffffc900032a7b38 EFLAGS: 00000206
RAX: aa56e3fdd2749500 RBX: ffff8880b903dca0 RCX: ffffffff9686af03
RDX: dffffc0000000000 RSI: ffffffff8a8b2a80 RDI: ffffffff8ad90540
RBP: 00000000ffffffff R08: ffffffff8186f220 R09: fffffbfff1bd2d3e
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001e611c0
R13: 0000000000000286 R14: ffffffff7fff0000 R15: ffff8880170413c0
__slab_alloc mm/slub.c:3095 [inline]
slab_alloc_node mm/slub.c:3186 [inline]
slab_alloc mm/slub.c:3228 [inline]
kmem_cache_alloc_trace+0x1a0/0x290 mm/slub.c:3245
kmalloc include/linux/slab.h:591 [inline]
kzalloc include/linux/slab.h:721 [inline]
apparmor_sk_alloc_security+0x73/0x100 security/apparmor/lsm.c:785
security_sk_alloc+0x6d/0xa0 security/security.c:2308
sk_prot_alloc+0xfa/0x200 net/core/sock.c:1866
sk_alloc+0x35/0x310 net/core/sock.c:1916
unix_create1+0xb4/0x640
unix_create+0x146/0x1f0 net/unix/af_unix.c:918
__sock_create+0x460/0x8f0 net/socket.c:1486
sock_create net/socket.c:1542 [inline]
__sys_socketpair+0x335/0x700 net/socket.c:1646
__do_sys_socketpair net/socket.c:1695 [inline]
__se_sys_socketpair net/socket.c:1692 [inline]
__x64_sys_socketpair+0x97/0xb0 net/socket.c:1692
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: 0033:0x7fb709b4e719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb707f84038 EFLAGS: 00000246 ORIG_RAX: 0000000000000035
RAX: ffffffffffffffda RBX: 00007fb709d06130 RCX: 00007fb709b4e719
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 00007fb709bc175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb709d06130 R15: 00007ffd73dd19f8
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 44 8b 6c 24 10 mov 0x10(%rsp),%r13d
7: 0f 84 53 f6 ff ff je 0xfffff660
d: fb sti
e: e9 4d f6 ff ff jmp 0xfffff660
13: e8 6c e1 6a 08 call 0x86ae184
18: 41 f7 c5 00 02 00 00 test $0x200,%r13d
1f: 0f 84 37 fe ff ff je 0xfffffe5c
25: fb sti
26: 8b 6c 24 10 mov 0x10(%rsp),%ebp
* 2a: e9 84 f6 ff ff jmp 0xfffff6b3 <-- trapping instruction
2f: 0f 0b ud2
31: e9 69 f8 ff ff jmp 0xfffff89f
36: e8 49 e1 6a 08 call 0x86ae184
3b: e9 66 f7 ff ff jmp 0xfffff7a6