------------[ cut here ]------------ WARNING: CPU: 1 PID: 7031 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 1 PID: 7031 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline] WARNING: CPU: 1 PID: 7031 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469 Modules linked in: CPU: 1 UID: 0 PID: 7031 Comm: syz-executor996 Not tainted 6.14.0-syzkaller-00826-g327ecdbc0fda #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline] RIP: 0010:__ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469 Code: 00 89 df 44 89 e6 e8 d3 60 e0 f6 44 38 e3 72 a1 e8 e9 66 e0 f6 48 89 ef e8 d1 db 38 f7 31 ed e9 9c fe ff ff e8 d5 66 e0 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 a0 e3 2f 90 48 89 04 24 RSP: 0018:ffffc90000a08b70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ada02a2 RDX: ffff8880132b2440 RSI: ffffffff8ada0c1b RDI: 0000000000000001 RBP: ffffc90000a08c20 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888034ac6800 R13: 0000000000000041 R14: ffff888013090d80 R15: ffff8880130929d0 FS: 00007f382bb606c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000001e3030 CR3: 000000002a0a6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5641 [inline] mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1801 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1882 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_release+0x189/0x300 kernel/locking/lockdep.c:5891 Code: 0f c1 05 d2 ef 6a 7e 83 f8 01 0f 85 26 01 00 00 9c 58 f6 c4 02 0f 85 11 01 00 00 41 f7 c5 00 02 00 00 74 01 fb 48 8b 44 24 10 <65> 48 2b 04 25 28 00 00 00 0f 85 60 01 00 00 48 83 c4 18 5b 5d 41 RSP: 0018:ffffc9000c8e76d8 EFLAGS: 00000206 RAX: ff5dfcd636cfc400 RBX: ffff888023739e90 RCX: ffffc9000c8e76e4 RDX: 0000000000000000 RSI: ffffffff8d988768 RDI: ffffffff8bd36fe0 RBP: 0000000000039acc R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000002 R11: 0000000000000001 R12: ffffffff89fe1699 R13: 0000000000000206 R14: ffff8880132b2440 R15: 0000000000000001 __mutex_unlock_slowpath+0xa3/0x6a0 kernel/locking/mutex.c:893 __unix_dgram_recvmsg+0x829/0xee0 net/unix/af_unix.c:2516 unix_dgram_recvmsg+0xd0/0x110 net/unix/af_unix.c:2532 sock_recvmsg_nosec net/socket.c:1023 [inline] ____sys_recvmsg+0x5f8/0x6b0 net/socket.c:2791 ___sys_recvmsg+0x115/0x1a0 net/socket.c:2835 do_recvmmsg+0x2f8/0x740 net/socket.c:2930 __sys_recvmmsg net/socket.c:3004 [inline] __do_sys_recvmmsg net/socket.c:3027 [inline] __se_sys_recvmmsg net/socket.c:3020 [inline] __x64_sys_recvmmsg+0x239/0x290 net/socket.c:3020 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f382bbc8829 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:00007f382bb60218 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f382bc52438 RCX: 00007f382bbc8829 RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f382bc52430 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 00007f382bc1f38c R13: 00002000000001c0 R14: 0000200000000210 R15: 0000200000000200 ---------------- Code disassembly (best guess): 0: 0f c1 05 d2 ef 6a 7e xadd %eax,0x7e6aefd2(%rip) # 0x7e6aefd9 7: 83 f8 01 cmp $0x1,%eax a: 0f 85 26 01 00 00 jne 0x136 10: 9c pushf 11: 58 pop %rax 12: f6 c4 02 test $0x2,%ah 15: 0f 85 11 01 00 00 jne 0x12c 1b: 41 f7 c5 00 02 00 00 test $0x200,%r13d 22: 74 01 je 0x25 24: fb sti 25: 48 8b 44 24 10 mov 0x10(%rsp),%rax * 2a: 65 48 2b 04 25 28 00 sub %gs:0x28,%rax <-- trapping instruction 31: 00 00 33: 0f 85 60 01 00 00 jne 0x199 39: 48 83 c4 18 add $0x18,%rsp 3d: 5b pop %rbx 3e: 5d pop %rbp 3f: 41 rex.B