------------[ cut here ]------------ WARNING: CPU: 0 PID: 5568 at net/mac80211/tx.c:5034 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5034 [inline] WARNING: CPU: 0 PID: 5568 at net/mac80211/tx.c:5034 __ieee80211_beacon_get+0x1200/0x15c0 net/mac80211/tx.c:5461 Modules linked in: CPU: 0 PID: 5568 Comm: syz-executor578 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5034 [inline] RIP: 0010:__ieee80211_beacon_get+0x1200/0x15c0 net/mac80211/tx.c:5461 Code: e8 75 57 ac f6 eb 0d e8 6e 57 ac f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 ce 07 01 f7 45 31 ed e9 4e fe ff ff e8 51 57 ac f6 90 <0f> 0b 90 e9 02 f7 ff ff e8 43 57 ac f6 90 0f 0b 90 e9 ea f8 ff ff RSP: 0018:ffffc90000007a00 EFLAGS: 00010246 RAX: ffffffff8ae89cff RBX: 0000000000000000 RCX: ffff888079e0da00 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8ae893fd R09: ffffffff8ae88e00 R10: 0000000000000003 R11: ffff888079e0da00 R12: ffff88804a73a2d0 R13: ffff88802b67bc00 R14: ffff88804a73a750 R15: ffff88804a738ca0 FS: 00007f630fe696c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002024a030 CR3: 000000002bb98000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5588 ieee80211_beacon_get include/net/mac80211.h:5552 [inline] mac80211_hwsim_beacon_tx+0x398/0x7e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2296 __iterate_interfaces+0x223/0x4c0 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2326 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x595/0xd00 kernel/time/hrtimer.c:1756 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1773 __do_softirq+0x2bc/0x943 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:206 Code: 8b 3d 6c cd 1a 0c 48 89 de 5b e9 03 ad 54 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 40 d0 03 00 65 8b 15 e0 db 6e 7e f7 c2 00 01 ff 00 RSP: 0018:ffffc9000523f5b8 EFLAGS: 00000246 RAX: ffffffff8a0b5580 RBX: ffffc9000523f7c8 RCX: ffff888079e0da00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc9000523f6f0 R08: ffffffff8a0b55ef R09: 1ffff1100fe5f481 R10: dffffc0000000000 R11: ffffed100fe5f482 R12: 1ffff92000a47ec0 R13: ffffc9000523f7c0 R14: ffff88807f2fa408 R15: dffffc0000000000 scm_destroy include/net/scm.h:77 [inline] __scm_recv_common include/net/scm.h:170 [inline] scm_recv_unix+0x790/0xad0 include/net/scm.h:204 __unix_dgram_recvmsg+0xe22/0x1450 net/unix/af_unix.c:2511 sock_recvmsg_nosec+0x18e/0x1d0 net/socket.c:1046 ____sys_recvmsg+0x3c0/0x470 net/socket.c:2801 ___sys_recvmsg net/socket.c:2845 [inline] do_recvmmsg+0x474/0xae0 net/socket.c:2939 __sys_recvmmsg net/socket.c:3018 [inline] __do_sys_recvmmsg net/socket.c:3041 [inline] __se_sys_recvmmsg net/socket.c:3034 [inline] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3034 do_syscall_64+0xfb/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f630fed0dc9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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:00007f630fe69228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f630ff5a378 RCX: 00007f630fed0dc9 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f630ff5a370 R08: 0000000000000000 R09: 00007f630fe696c0 R10: 0000000000000002 R11: 0000000000000246 R12: 00007f630ff5a37c R13: 00007f630ff271b4 R14: 0031313230386c6e R15: 00007ffd9a377d48 ---------------- Code disassembly (best guess): 0: 8b 3d 6c cd 1a 0c mov 0xc1acd6c(%rip),%edi # 0xc1acd72 6: 48 89 de mov %rbx,%rsi 9: 5b pop %rbx a: e9 03 ad 54 00 jmp 0x54ad12 f: 0f 1f 00 nopl (%rax) 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: f3 0f 1e fa endbr64 26: 48 8b 04 24 mov (%rsp),%rax * 2a: 65 48 8b 0c 25 40 d0 mov %gs:0x3d040,%rcx <-- trapping instruction 31: 03 00 33: 65 8b 15 e0 db 6e 7e mov %gs:0x7e6edbe0(%rip),%edx # 0x7e6edc1a 3a: f7 c2 00 01 ff 00 test $0xff0100,%edx