------------[ cut here ]------------ WARNING: CPU: 0 PID: 3701 at net/mac80211/tx.c:4849 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5073 Modules linked in: CPU: 0 PID: 3701 Comm: syz-executor426 Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4849 [inline] RIP: 0010:__ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5073 Code: ff e8 37 79 cc f7 0f 0b e9 4b fa ff ff e8 2b 79 cc f7 0f 0b e9 3b fe ff ff e8 1f 79 cc f7 0f 0b e9 06 ee ff ff e8 13 79 cc 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: ffffffff89b3878d RBX: 0000000000000000 RCX: ffff888079fabb80 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007a70 R08: ffffffff89b37818 R09: ffffffff89b371eb R10: 0000000000000003 R11: ffff888079fabb80 R12: dffffc0000000000 R13: ffff88801a714c80 R14: ffff88801a716298 R15: 1ffff92000000f18 FS: 00007f6b8d64b6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002022c030 CR3: 000000001ef33000 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:5192 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:1685 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1749 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1766 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:lock_release+0x62d/0x9a0 kernel/locking/lockdep.c:5646 Code: 3c 3b 00 74 08 4c 89 f7 e8 e0 d4 66 00 f6 84 24 91 00 00 00 02 75 6f 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25 RSP: 0018:ffffc9000355fb40 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff920006abf7a RCX: ffffc9000355fb03 RDX: 0000000000000000 RSI: ffffffff8a8b1000 RDI: ffffffff8ad86280 RBP: ffffc9000355fc70 R08: dffffc0000000000 R09: fffffbfff1bc7e0e R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920006abf74 R13: 0000000000000246 R14: ffffc9000355fbd0 R15: dffffc0000000000 do_recvmmsg+0x39d/0x8f0 net/socket.c:2773 __sys_recvmmsg net/socket.c:2846 [inline] __do_sys_recvmmsg net/socket.c:2869 [inline] __se_sys_recvmmsg net/socket.c:2862 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2862 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6b8d6ace09 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:00007f6b8d64b228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f6b8d736378 RCX: 00007f6b8d6ace09 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f6b8d736370 R08: 0000000000000000 R09: 00007f6b8d64b6c0 R10: 0000000000000002 R11: 0000000000000246 R12: 00007f6b8d73637c R13: 00007f6b8d7031c4 R14: 0031313230386c6e R15: 00007ffda45e9d48 ---------------- Code disassembly (best guess): 0: 3c 3b cmp $0x3b,%al 2: 00 74 08 4c add %dh,0x4c(%rax,%rcx,1) 6: 89 f7 mov %esi,%edi 8: e8 e0 d4 66 00 call 0x66d4ed d: f6 84 24 91 00 00 00 testb $0x2,0x91(%rsp) 14: 02 15: 75 6f jne 0x86 17: 41 f7 c5 00 02 00 00 test $0x200,%r13d 1e: 74 01 je 0x21 20: fb sti 21: 48 c7 44 24 60 0e 36 movq $0x45e0360e,0x60(%rsp) 28: e0 45 * 2a: 4b c7 04 27 00 00 00 movq $0x0,(%r15,%r12,1) <-- trapping instruction 31: 00 32: 4b c7 44 27 08 00 00 movq $0x0,0x8(%r15,%r12,1) 39: 00 00 3b: 65 gs 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 04 25 add $0x25,%al