------------[ cut here ]------------ WARNING: CPU: 0 PID: 10481 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075 Modules linked in: CPU: 0 PID: 10481 Comm: syz.0.787 Not tainted 5.15.169-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 34 b5 f7 0f 0b e9 4b fa ff ff e8 0b 34 b5 f7 0f 0b e9 3b fe ff ff e8 ff 33 b5 f7 0f 0b e9 06 ee ff ff e8 f3 33 b5 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: ffffffff89cb3fed RBX: 0000000000000000 RCX: ffff88801ee81dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007a70 R08: ffffffff89cb3078 R09: ffffffff89cb2a4b R10: 0000000000000003 R11: ffff88801ee81dc0 R12: dffffc0000000000 R13: ffff88806a1bcc80 R14: ffff88806a1be298 R15: 1ffff92000000f18 FS: 00007f8142b576c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c820d30160 CR3: 00000000203a0000 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:___sys_recvmsg+0x0/0x690 net/socket.c:2687 Code: 8c 24 c0 00 00 00 75 19 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 de 70 3e f9 e9 b5 fe ff ff e8 c4 fb f1 01 0f 1f 40 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 01 RSP: 0018:ffffc90002e67c78 EFLAGS: 00000202 RAX: 0000000000000002 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffffc90002e67d40 RSI: 0000000020100b00 RDI: ffff88807a04a400 RBP: ffffc90002e67e50 R08: 0000000000004029 R09: fffffbfff1bd2cb6 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000020100b00 R13: 0000000000004029 R14: dffffc0000000000 R15: 00000000200000c0 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: 0033:0x7f8144700719 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:00007f8142b57038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f81448b8058 RCX: 00007f8144700719 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000004 RBP: 00007f814477332e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f81448b8058 R15: 00007ffc4abe68f8 ---------------- Code disassembly (best guess): 0: 8c 24 c0 mov %fs,(%rax,%rax,8) 3: 00 00 add %al,(%rax) 5: 00 75 19 add %dh,0x19(%rbp) 8: 48 8d 65 d8 lea -0x28(%rbp),%rsp c: 5b pop %rbx d: 41 5c pop %r12 f: 41 5d pop %r13 11: 41 5e pop %r14 13: 41 5f pop %r15 15: 5d pop %rbp 16: c3 ret 17: e8 de 70 3e f9 call 0xf93e70fa 1c: e9 b5 fe ff ff jmp 0xfffffed6 21: e8 c4 fb f1 01 call 0x1f1fbea 26: 0f 1f 40 00 nopl 0x0(%rax) * 2a: 55 push %rbp <-- trapping instruction 2b: 48 89 e5 mov %rsp,%rbp 2e: 41 57 push %r15 30: 41 56 push %r14 32: 41 55 push %r13 34: 41 54 push %r12 36: 53 push %rbx 37: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp 3b: 48 rex.W 3c: 81 .byte 0x81 3d: ec in (%dx),%al 3e: c0 .byte 0xc0 3f: 01 .byte 0x1