------------[ cut here ]------------ WARNING: CPU: 1 PID: 3836 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075 Modules linked in: CPU: 1 PID: 3836 Comm: syz-executor390 Not tainted 5.15.158-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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 87 e4 ca f7 0f 0b e9 4b fa ff ff e8 7b e4 ca f7 0f 0b e9 3b fe ff ff e8 6f e4 ca f7 0f 0b e9 06 ee ff ff e8 63 e4 ca 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:ffffc90000dd0840 EFLAGS: 00010246 RAX: ffffffff89b5785d RBX: 0000000000000000 RCX: ffff8880159a0000 RDX: 0000000080000102 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000dd0a70 R08: ffffffff89b568e8 R09: ffffffff89b562bb R10: 0000000000000003 R11: ffff8880159a0000 R12: dffffc0000000000 R13: ffff88807d734c80 R14: ffff88807d736298 R15: 1ffff920001ba118 FS: 00007f0bfc8236c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002024f030 CR3: 0000000075aeb000 CR4: 00000000003506e0 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:1686 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 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:flush_tlb_mm_range+0x36b/0x4a0 arch/x86/mm/tlb.c:995 Code: eb 84 90 00 8b 44 24 40 fa a9 00 02 00 00 74 05 e8 da 30 4d 00 4c 89 ef e8 42 f6 ff ff e8 ad 2c 4d 00 fb 65 ff 0d ed c4 c8 7e 01 00 00 00 e8 cb b1 1d 00 65 8b 05 9c bf c8 7e 85 c0 74 39 48 RSP: 0018:ffffc90003857280 EFLAGS: 00000246 RAX: 0b2402d87f83c900 RBX: dffffc0000000000 RCX: ffffffff81631938 RDX: dffffc0000000000 RSI: ffffffff8a8b2980 RDI: ffffffff8ad8f600 RBP: ffffc90003857330 R08: dffffc0000000000 R09: fffffbfff1f7ee19 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000008 R13: ffff8880b9b39b00 R14: ffffc900038572c0 R15: ffff88801e173e70 flush_tlb_page arch/x86/include/asm/tlbflush.h:239 [inline] ptep_clear_flush+0x112/0x150 mm/pgtable-generic.c:97 wp_page_copy+0xdfe/0x2070 mm/memory.c:3085 handle_pte_fault mm/memory.c:4639 [inline] __handle_mm_fault mm/memory.c:4756 [inline] handle_mm_fault+0x2a3d/0x5950 mm/memory.c:4854 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline] handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x271/0x740 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0010:__put_user_nocheck_4+0x3/0x11 Code: 00 00 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 0f 1f 44 00 00 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb <89> 01 31 c9 0f 01 ca c3 66 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f RSP: 0018:ffffc900038578f8 EFLAGS: 00050246 RAX: 0000000000000000 RBX: 000000002024f030 RCX: 000000002024f030 RDX: ffff8880159a0000 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc90003857a70 R08: ffffffff882cac4d R09: fffff5200070aed9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 000000002024f000 R14: 0000000000000002 R15: ffffc90003857d60 ____sys_recvmsg+0x35b/0x530 net/socket.c:2663 ___sys_recvmsg+0x1ec/0x690 net/socket.c:2692 do_recvmmsg+0x36f/0x8f0 net/socket.c:2786 __sys_recvmmsg net/socket.c:2865 [inline] __do_sys_recvmmsg net/socket.c:2888 [inline] __se_sys_recvmmsg net/socket.c:2881 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2881 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: 0033:0x7f0bfc88c019 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 1d 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:00007f0bfc823228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f0bfc90f378 RCX: 00007f0bfc88c019 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f0bfc90f370 R08: 0000000000000000 R09: 00007f0bfc8236c0 R10: 0000000000000002 R11: 0000000000000246 R12: 00007f0bfc90f37c R13: 00007f0bfc8dc3d4 R14: 0031313230386c6e R15: 00007ffe91833e28 ---------------- Code disassembly (best guess): 0: eb 84 jmp 0xffffff86 2: 90 nop 3: 00 8b 44 24 40 fa add %cl,-0x5bfdbbc(%rbx) 9: a9 00 02 00 00 test $0x200,%eax e: 74 05 je 0x15 10: e8 da 30 4d 00 call 0x4d30ef 15: 4c 89 ef mov %r13,%rdi 18: e8 42 f6 ff ff call 0xfffff65f 1d: e8 ad 2c 4d 00 call 0x4d2ccf 22: fb sti 23: 65 ff 0d ed c4 c8 7e decl %gs:0x7ec8c4ed(%rip) # 0x7ec8c517 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 cb b1 1d 00 call 0x1db1ff 34: 65 8b 05 9c bf c8 7e mov %gs:0x7ec8bf9c(%rip),%eax # 0x7ec8bfd7 3b: 85 c0 test %eax,%eax 3d: 74 39 je 0x78 3f: 48 rex.W