------------[ cut here ]------------ WARNING: CPU: 0 PID: 5818 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 0 PID: 5818 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5035 [inline] WARNING: CPU: 0 PID: 5818 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x14ac/0x16b0 net/mac80211/tx.c:5469 Modules linked in: CPU: 0 UID: 0 PID: 5818 Comm: strace-static-x Not tainted 6.14.0-rc3-syzkaller-00079-g87a132e73910 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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 23 26 e1 f6 44 38 e3 72 a1 e8 39 2c e1 f6 48 89 ef e8 41 98 39 f7 31 ed e9 9c fe ff ff e8 25 2c e1 f6 90 <0f> 0b 90 e9 86 f6 ff ff 48 89 c6 48 c7 c7 e0 d4 2f 90 48 89 04 24 RSP: 0018:ffffc90000007b70 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8ad8a942 RDX: ffff88802e9a4880 RSI: ffffffff8ad8b2bb RDI: 0000000000000001 RBP: ffffc90000007c20 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000003 R12: ffff888024bc8800 R13: 0000000000000041 R14: ffff88802a794d80 R15: ffff88802a7969d0 FS: 00000000176aa3c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000400000347030 CR3: 0000000022336000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xa7/0x280 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5641 [inline] mac80211_hwsim_beacon_tx+0x4ea/0xa10 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x2e5/0x640 net/mac80211/util.c:760 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:796 mac80211_hwsim_beacon+0x105/0x200 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1801 [inline] __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1882 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678 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.part.0+0x155/0x380 kernel/locking/lockdep.c:5816 Code: b8 ff ff ff ff 65 0f c1 05 f0 db 6b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffffc90003af74a0 EFLAGS: 00000206 RAX: 0000000000000046 RBX: 1ffff9200075ee95 RCX: 00000000fa48a4d0 RDX: 0000000000000001 RSI: ffffffff8b6cefa0 RDI: ffffffff8bd35480 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dd8598 R10: ffffffff96ec2cc7 R11: 0000000000000001 R12: 0000000000000000 R13: ffffffff8e1bcc80 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:337 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] mt_find+0x15a/0xa20 lib/maple_tree.c:6887 find_vma+0xc0/0x140 mm/mmap.c:913 gup_vma_lookup+0x24/0x220 mm/gup.c:1342 __get_user_pages+0x236/0x36f0 mm/gup.c:1459 __get_user_pages_locked mm/gup.c:1757 [inline] __gup_longterm_locked+0x212/0x1870 mm/gup.c:2523 pin_user_pages_remote+0xee/0x150 mm/gup.c:3567 process_vm_rw_single_vec mm/process_vm_access.c:106 [inline] process_vm_rw_core.constprop.0+0x42b/0x9c0 mm/process_vm_access.c:216 process_vm_rw+0x301/0x360 mm/process_vm_access.c:284 __do_sys_process_vm_readv mm/process_vm_access.c:296 [inline] __se_sys_process_vm_readv mm/process_vm_access.c:292 [inline] __x64_sys_process_vm_readv+0xe2/0x1c0 mm/process_vm_access.c:292 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: 0033:0x4eacda Code: 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 38 12 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 36 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 a8 ff ff ff f7 RSP: 002b:00007ffc1aa7cd78 EFLAGS: 00000246 ORIG_RAX: 0000000000000136 RAX: ffffffffffffffda RBX: 00007ffe5ea1d000 RCX: 00000000004eacda RDX: 0000000000000001 RSI: 00007ffc1aa7cda0 RDI: 0000000000001892 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 00007ffc1aa7cdb0 R11: 0000000000000246 R12: 00007ffe5ea1da00 R13: 00007ffc1aa7ce50 R14: 0000000000001000 R15: 0000000000000010 ---------------- Code disassembly (best guess): 0: b8 ff ff ff ff mov $0xffffffff,%eax 5: 65 0f c1 05 f0 db 6b xadd %eax,%gs:0x7e6bdbf0(%rip) # 0x7e6bdbfd c: 7e d: 83 f8 01 cmp $0x1,%eax 10: 0f 85 d0 01 00 00 jne 0x1e6 16: 9c pushf 17: 58 pop %rax 18: f6 c4 02 test $0x2,%ah 1b: 0f 85 e5 01 00 00 jne 0x206 21: 48 85 ed test %rbp,%rbp 24: 0f 85 b6 01 00 00 jne 0x1e0 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7