------------[ cut here ]------------ WARNING: CPU: 1 PID: 3810 at net/mac80211/tx.c:4929 __ieee80211_beacon_get+0x1ab2/0x2110 net/mac80211/tx.c:5248 Modules linked in: CPU: 1 PID: 3810 Comm: syz-executor186 Not tainted 6.1.79-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4929 [inline] RIP: 0010:__ieee80211_beacon_get+0x1ab2/0x2110 net/mac80211/tx.c:5248 Code: ff e8 32 f0 77 f7 0f 0b e9 64 ff ff ff e8 26 f0 77 f7 0f 0b e9 79 e8 ff ff e8 1a f0 77 f7 0f 0b e9 9c ed ff ff e8 0e f0 77 f7 <0f> 0b e9 30 f1 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 06 e9 RSP: 0018:ffffc900001e0820 EFLAGS: 00010246 RAX: ffffffff8a128ee2 RBX: 0000000000000000 RCX: ffff88801b265940 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e0a30 R08: ffffffff8a12800c R09: ffffffff8a127812 R10: 0000000000000003 R11: ffff88801b265940 R12: dffffc0000000000 R13: 1ffff9200003c11c R14: ffff888078156260 R15: ffffffff8a1274e0 FS: 00007f75495986c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020158030 CR3: 0000000028866000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb1/0x5d0 net/mac80211/tx.c:5335 ieee80211_beacon_get include/net/mac80211.h:5245 [inline] mac80211_hwsim_beacon_tx+0x1d2/0xaa0 drivers/net/wireless/mac80211_hwsim.c:2086 __iterate_interfaces+0x21e/0x4b0 net/mac80211/util.c:788 ieee80211_iterate_active_interfaces_atomic+0xd4/0x170 net/mac80211/util.c:824 mac80211_hwsim_beacon+0xd0/0x1e0 drivers/net/wireless/mac80211_hwsim.c:2142 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:203 Code: e8 25 00 00 00 0f 0b 0f 1f 00 53 48 89 fb e8 17 00 00 00 48 8b 3d 78 c9 e8 0c 48 89 de 5b e9 87 99 56 00 cc cc cc cc cc cc cc <48> 8b 04 24 65 48 8b 0d 44 f0 77 7e 65 8b 15 45 f0 77 7e f7 c2 00 RSP: 0018:ffffc90003dcf730 EFLAGS: 00000293 RAX: ffffffff887c1cc9 RBX: ffff88801f89adc0 RCX: ffff88801b265940 RDX: 0000000000000000 RSI: ffff88801f89adc0 RDI: ffff88801f89adc0 RBP: ffffc90003dcf910 R08: ffffffff89416d4c R09: ffffed100e2da482 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: ffff88801f89adc0 R14: 0000000000000000 R15: 1ffff920007b9f00 consume_skb+0xe/0x140 net/core/skbuff.c:1030 __unix_dgram_recvmsg+0xcb3/0x1260 net/unix/af_unix.c:2526 ____sys_recvmsg+0x285/0x530 ___sys_recvmsg net/socket.c:2775 [inline] do_recvmmsg+0x46d/0xad0 net/socket.c:2869 __sys_recvmmsg net/socket.c:2948 [inline] __do_sys_recvmmsg net/socket.c:2971 [inline] __se_sys_recvmmsg net/socket.c:2964 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2964 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f75495f9e09 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:00007f7549598228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f7549683378 RCX: 00007f75495f9e09 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f7549683370 R08: 0000000000000000 R09: 00007f75495986c0 R10: 0000000000000002 R11: 0000000000000246 R12: 00007f754968337c R13: 00007f75496501c4 R14: 0031313230386c6e R15: 00007ffc263829e8 ---------------- Code disassembly (best guess): 0: e8 25 00 00 00 call 0x2a 5: 0f 0b ud2 7: 0f 1f 00 nopl (%rax) a: 53 push %rbx b: 48 89 fb mov %rdi,%rbx e: e8 17 00 00 00 call 0x2a 13: 48 8b 3d 78 c9 e8 0c mov 0xce8c978(%rip),%rdi # 0xce8c992 1a: 48 89 de mov %rbx,%rsi 1d: 5b pop %rbx 1e: e9 87 99 56 00 jmp 0x5699aa 23: cc int3 24: cc int3 25: cc int3 26: cc int3 27: cc int3 28: cc int3 29: cc int3 * 2a: 48 8b 04 24 mov (%rsp),%rax <-- trapping instruction 2e: 65 48 8b 0d 44 f0 77 mov %gs:0x7e77f044(%rip),%rcx # 0x7e77f07a 35: 7e 36: 65 8b 15 45 f0 77 7e mov %gs:0x7e77f045(%rip),%edx # 0x7e77f082 3d: f7 .byte 0xf7 3e: c2 .byte 0xc2