------------[ cut here ]------------ WARNING: CPU: 0 PID: 18249 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 0 PID: 18249 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline] WARNING: CPU: 0 PID: 18249 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469 Modules linked in: CPU: 0 UID: 0 PID: 18249 Comm: syz-executor706 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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 f3 b8 f4 f6 44 38 e3 72 a1 e8 c9 b7 f4 f6 48 89 ef e8 91 e2 4b f7 31 ed e9 9c fe ff ff e8 b5 b7 f4 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 20 6b 2d 90 48 89 04 24 RSP: 0018:ffffc90000007b70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8a99f902 RDX: ffff88802d48da00 RSI: ffffffff8a9a027b RDI: 0000000000000001 RBP: ffffc90000007c20 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000004 R12: ffff888031099800 R13: 0000000000000041 R14: ffff88802ab70d80 R15: ffff88802ab729d8 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f92e8a48f18 CR3: 000000003370a000 CR4: 0000000000350ef0 Call Trace: ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5632 [inline] mac80211_hwsim_beacon_tx+0x4ea/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x2e8/0x640 net/mac80211/util.c:775 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:811 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x20d/0xae0 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1820 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:655 irq_exit_rcu+0x9/0x30 kernel/softirq.c:671 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_acquire+0x25/0xb0 kernel/locking/lockdep.c:5817 Code: 90 90 90 90 90 f3 0f 1e fa 41 57 4d 89 cf 41 56 45 89 c6 41 55 41 89 cd 41 54 41 89 d4 55 89 f5 53 48 83 ec 08 48 8b 5c 24 40 <48> 89 3c 24 53 e8 d1 fe fe ff 48 c7 c0 94 b5 5f 90 48 ba 00 00 00 RSP: 0018:ffffc9000ce577b8 EFLAGS: 00000296 RAX: ffffffff81fc884a RBX: ffffffff81fc884a RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8e1bb9c0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000017 R11: 0000000000000003 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock_sched include/linux/rcupdate.h:941 [inline] pfn_valid include/linux/mmzone.h:2048 [inline] page_table_check_clear mm/page_table_check.c:70 [inline] __page_table_check_pte_clear+0x1c0/0x580 mm/page_table_check.c:169 page_table_check_pte_clear include/linux/page_table_check.h:49 [inline] ptep_get_and_clear_full arch/x86/include/asm/pgtable.h:1337 [inline] get_and_clear_full_ptes include/linux/pgtable.h:705 [inline] zap_present_folio_ptes mm/memory.c:1502 [inline] zap_present_ptes mm/memory.c:1585 [inline] zap_pte_range mm/memory.c:1627 [inline] zap_pmd_range mm/memory.c:1753 [inline] zap_pud_range mm/memory.c:1782 [inline] zap_p4d_range mm/memory.c:1803 [inline] unmap_page_range+0x22f6/0x3d60 mm/memory.c:1824 unmap_single_vma+0x194/0x2b0 mm/memory.c:1870 unmap_vmas+0x22f/0x490 mm/memory.c:1914 exit_mmap+0x1c6/0xb30 mm/mmap.c:1667 __mmput+0x12a/0x480 kernel/fork.c:1347 mmput+0x62/0x70 kernel/fork.c:1369 exit_mm kernel/exit.c:570 [inline] do_exit+0x9bf/0x2d70 kernel/exit.c:925 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 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: 0033:0x7f92e89c0329 Code: Unable to access opcode bytes at 0x7f92e89c02ff. RSP: 002b:00007ffe205ed798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92e89c0329 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f92e8a4b170 R08: ffffffffffffffb0 R09: 00007ffe205ed360 R10: 00007ffe205ed360 R11: 0000000000000246 R12: 00007f92e8a4b170 R13: 0000000000000000 R14: 00007f92e8a4dca0 R15: 00007f92e8985550 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: f3 0f 1e fa endbr64 9: 41 57 push %r15 b: 4d 89 cf mov %r9,%r15 e: 41 56 push %r14 10: 45 89 c6 mov %r8d,%r14d 13: 41 55 push %r13 15: 41 89 cd mov %ecx,%r13d 18: 41 54 push %r12 1a: 41 89 d4 mov %edx,%r12d 1d: 55 push %rbp 1e: 89 f5 mov %esi,%ebp 20: 53 push %rbx 21: 48 83 ec 08 sub $0x8,%rsp 25: 48 8b 5c 24 40 mov 0x40(%rsp),%rbx * 2a: 48 89 3c 24 mov %rdi,(%rsp) <-- trapping instruction 2e: 53 push %rbx 2f: e8 d1 fe fe ff call 0xfffeff05 34: 48 c7 c0 94 b5 5f 90 mov $0xffffffff905fb594,%rax 3b: 48 rex.W 3c: ba .byte 0xba 3d: 00 00 add %al,(%rax)