------------[ cut here ]------------ WARNING: CPU: 0 PID: 6203 at net/mac80211/tx.c:5041 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5041 [inline] WARNING: CPU: 0 PID: 6203 at net/mac80211/tx.c:5041 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5036 [inline] WARNING: CPU: 0 PID: 6203 at net/mac80211/tx.c:5041 __ieee80211_beacon_get+0x14f4/0x1720 net/mac80211/tx.c:5470 Modules linked in: CPU: 0 UID: 0 PID: 6203 Comm: syz-executor242 Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5041 [inline] RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5036 [inline] RIP: 0010:__ieee80211_beacon_get+0x14f4/0x1720 net/mac80211/tx.c:5470 Code: 24 89 df 89 ee e8 9c 6a cf f6 40 38 eb 72 a2 e8 72 70 cf f6 4c 89 e7 e8 7a 28 2a f7 45 31 e4 e9 9b fe ff ff e8 5d 70 cf f6 90 <0f> 0b 90 e9 3e f6 ff ff 48 89 c6 48 c7 c7 40 04 52 90 48 89 44 24 RSP: 0018:ffffc90000007b70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88802bf5a9d0 RCX: ffffffff8aebb6e1 RDX: ffff888029f74880 RSI: ffffffff8aebc0a3 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffc90000007c28 R13: ffff88802887d000 R14: 0000000000000041 R15: ffff88802bf5a500 FS: 000055555cac8380(0000) GS:ffff8880d69e4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000140 CR3: 00000000324d6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5597 ieee80211_beacon_get include/net/mac80211.h:5648 [inline] mac80211_hwsim_beacon_tx+0x4dc/0xa40 drivers/net/wireless/virtual/mac80211_hwsim.c:2313 __iterate_interfaces+0x2e2/0x650 net/mac80211/util.c:761 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:797 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2347 __run_hrtimer kernel/time/hrtimer.c:1761 [inline] __hrtimer_run_queues+0x1ff/0xad0 kernel/time/hrtimer.c:1825 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1842 handle_softirqs+0x216/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 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:__sanitizer_cov_trace_const_cmp1+0x0/0x20 kernel/kcov.c:299 Code: 0c 24 48 89 f2 48 89 fe bf 06 00 00 00 e9 b8 fe ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 0c 24 40 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 e9 RSP: 0018:ffffc90003fbf5e0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffc90003fbf780 RCX: ffffffff81f2246c RDX: ffff888029f74880 RSI: 0000000000000003 RDI: 000000000000003f RBP: 0000000000000a43 R08: 0000000000000006 R09: 0000000000000a43 R10: 0000000000000a4f R11: 0000000000000000 R12: 0000000000000003 R13: 0000000000000a4f R14: ffff88803ea139c0 R15: dffffc0000000000 xas_next_entry+0x181/0x3c0 include/linux/xarray.h:1723 next_uptodate_folio+0x29/0x4a0 mm/filemap.c:3553 filemap_map_pages+0x63a/0x1680 mm/filemap.c:3746 do_fault_around mm/memory.c:5476 [inline] do_read_fault mm/memory.c:5509 [inline] do_fault mm/memory.c:5652 [inline] do_pte_missing+0xf1a/0x3fb0 mm/memory.c:4160 handle_pte_fault mm/memory.c:5997 [inline] __handle_mm_fault+0x103d/0x2a40 mm/memory.c:6140 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309 faultin_page mm/gup.c:1193 [inline] __get_user_pages+0x771/0x36f0 mm/gup.c:1491 populate_vma_page_range+0x278/0x3a0 mm/gup.c:1929 __mm_populate+0x1d8/0x380 mm/gup.c:2032 mm_populate include/linux/mm.h:3487 [inline] vm_mmap_pgoff+0x362/0x450 mm/util.c:584 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:607 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa04ec63e39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc9143c658 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 000000000000e806 RCX: 00007fa04ec63e39 RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 0000000000000000 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000008031 R11: 0000000000000206 R12: 00007ffc9143c68c R13: 00007ffc9143c6c0 R14: 00007ffc9143c6a0 R15: 000000000000003f ---------------- Code disassembly (best guess): 0: 0c 24 or $0x24,%al 2: 48 89 f2 mov %rsi,%rdx 5: 48 89 fe mov %rdi,%rsi 8: bf 06 00 00 00 mov $0x6,%edi d: e9 b8 fe ff ff jmp 0xfffffeca 12: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 19: 00 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: 90 nop 23: 90 nop 24: 90 nop 25: 90 nop 26: 90 nop 27: 90 nop 28: 90 nop 29: 90 nop * 2a: f3 0f 1e fa endbr64 <-- trapping instruction 2e: 48 8b 0c 24 mov (%rsp),%rcx 32: 40 0f b6 d6 movzbl %sil,%edx 36: 40 0f b6 f7 movzbl %dil,%esi 3a: bf 01 00 00 00 mov $0x1,%edi 3f: e9 .byte 0xe9