------------[ cut here ]------------ WARNING: CPU: 0 PID: 5038 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1abc/0x2110 net/mac80211/tx.c:5255 Modules linked in: CPU: 0 PID: 5038 Comm: syz.2.187 Not tainted 6.1.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:4934 [inline] RIP: 0010:__ieee80211_beacon_get+0x1abc/0x2110 net/mac80211/tx.c:5255 Code: ff ff ff e8 96 af 5b f7 0f 0b 48 8b 7c 24 20 e8 ea 82 66 fe e9 6f e8 ff ff e8 80 af 5b f7 0f 0b e9 92 ed ff ff e8 74 af 5b f7 <0f> 0b e9 26 f1 ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c fc e8 RSP: 0018:ffffc90000007820 EFLAGS: 00010246 RAX: ffffffff8a2edc7c RBX: 0000000000000000 RCX: ffff88801f7ad940 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007a30 R08: ffffffff8a2ecd9c R09: ffffffff8a2ec5a2 R10: 0000000000000003 R11: ffff88801f7ad940 R12: dffffc0000000000 R13: 1ffff92000000f1c R14: ffff8880655f6258 R15: ffffffff8a2ec270 FS: 00007f36ba9d56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555765645c8 CR3: 00000000652a3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb1/0x5d0 net/mac80211/tx.c:5342 ieee80211_beacon_get include/net/mac80211.h:5249 [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:1689 [inline] __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1770 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:119 [inline] RIP: 0010:lock_is_held_type+0x2e/0x180 kernel/locking/lockdep.c:5698 Code: 56 41 55 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 bd ff ff ff ff 83 3d cc c9 f2 03 00 0f 84 00 01 00 00 <65> 8b 05 db 02 5b 75 85 c0 0f 85 f1 00 00 00 65 4c 8b 2d 4b f9 5a RSP: 0018:ffffc90004f875b8 EFLAGS: 00000202 RAX: 09aa966e7c67de00 RBX: 0000000000000000 RCX: 0000000080000000 RDX: ffff88801f7ad940 RSI: 00000000ffffffff RDI: ffffffff8d32af40 RBP: 00000000ffffffff R08: ffffffff8aa39589 R09: ffffffff8aa4096c R10: 0000000000000002 R11: ffff88801f7ad940 R12: 0000000000000027 R13: ffff888058a4f702 R14: ffffc90004f877a0 R15: ffff888071615080 xa_entry include/linux/xarray.h:1198 [inline] xas_descend+0x120/0x470 lib/xarray.c:204 xas_load lib/xarray.c:242 [inline] xas_find+0x20b/0xaa0 lib/xarray.c:1252 first_map_page mm/filemap.c:3417 [inline] filemap_map_pages+0x32a/0x12c0 mm/filemap.c:3444 do_fault_around mm/memory.c:4598 [inline] do_read_fault mm/memory.c:4624 [inline] do_fault mm/memory.c:4758 [inline] handle_pte_fault mm/memory.c:5029 [inline] __handle_mm_fault mm/memory.c:5171 [inline] handle_mm_fault+0x33e0/0x5340 mm/memory.c:5292 faultin_page mm/gup.c:1009 [inline] __get_user_pages+0x4f3/0x1190 mm/gup.c:1233 populate_vma_page_range+0x217/0x2b0 mm/gup.c:1590 __mm_populate+0x275/0x440 mm/gup.c:1704 mm_populate include/linux/mm.h:2801 [inline] vm_mmap_pgoff+0x22b/0x2d0 mm/util.c:525 ksys_mmap_pgoff+0x4f5/0x6d0 mm/mmap.c:1471 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f36b9b7e759 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f36ba9d5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f36b9d35f80 RCX: 00007f36b9b7e759 RDX: 0000000000000002 RSI: 0000000000b36000 RDI: 0000000020000000 RBP: 00007f36b9bf175e R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f36b9d35f80 R15: 00007fffb299b0f8 ---------------- Code disassembly (best guess): 0: 56 push %rsi 1: 41 55 push %r13 3: 41 54 push %r12 5: 53 push %rbx 6: 48 83 ec 10 sub $0x10,%rsp a: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 11: 00 00 13: 48 89 44 24 08 mov %rax,0x8(%rsp) 18: bd ff ff ff ff mov $0xffffffff,%ebp 1d: 83 3d cc c9 f2 03 00 cmpl $0x0,0x3f2c9cc(%rip) # 0x3f2c9f0 24: 0f 84 00 01 00 00 je 0x12a * 2a: 65 8b 05 db 02 5b 75 mov %gs:0x755b02db(%rip),%eax # 0x755b030c <-- trapping instruction 31: 85 c0 test %eax,%eax 33: 0f 85 f1 00 00 00 jne 0x12a 39: 65 gs 3a: 4c rex.WR 3b: 8b .byte 0x8b 3c: 2d .byte 0x2d 3d: 4b f9 rex.WXB stc 3f: 5a pop %rdx