------------[ cut here ]------------ WARNING: CPU: 0 PID: 5263 at net/mac80211/tx.c:4851 __ieee80211_beacon_get+0x183d/0x2080 net/mac80211/tx.c:5075 Modules linked in: CPU: 0 PID: 5263 Comm: syz-executor.2 Not tainted 5.15.155-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 97 1a cb f7 0f 0b e9 4b fa ff ff e8 8b 1a cb f7 0f 0b e9 3b fe ff ff e8 7f 1a cb f7 0f 0b e9 06 ee ff ff e8 73 1a cb 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:ffffc90000007840 EFLAGS: 00010246 RAX: ffffffff89b5426d RBX: 0000000000000000 RCX: ffff88807a7cbb80 RDX: 0000000080000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000007a70 R08: ffffffff89b532f8 R09: ffffffff89b52ccb R10: 0000000000000003 R11: ffff88807a7cbb80 R12: dffffc0000000000 R13: ffff88805e388c80 R14: ffff88805e38a298 R15: 1ffff92000000f18 FS: 00007fea785f96c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f726000 CR3: 0000000060166000 CR4: 00000000003526f0 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:memory_is_nonzero mm/kasan/generic.c:101 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x5c/0x290 mm/kasan/generic.c:189 Code: fb 48 c1 eb 03 49 b8 00 00 00 00 00 fc ff df 4e 8d 0c 03 4c 8d 54 37 ff 49 c1 ea 03 49 bb 01 00 00 00 00 fc ff df 4f 8d 34 1a <4c> 89 f5 4c 29 cd 48 83 fd 10 7f 26 48 85 ed 0f 84 3a 01 00 00 49 RSP: 0018:ffffc90003007718 EFLAGS: 00000a07 RAX: 0000000000000001 RBX: 1ffff1100b20590c RCX: ffffffff88f46444 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88805902c860 RBP: 000000000001ffff R08: dffffc0000000000 R09: ffffed100b20590c R10: 1ffff1100b20590c R11: dffffc0000000001 R12: 0000000000000000 R13: ffff888064cbc000 R14: ffffed100b20590d R15: ffff88805902c800 instrument_atomic_read include/linux/instrumented.h:71 [inline] test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline] sock_flag include/net/sock.h:939 [inline] __unix_dgram_recvmsg+0x834/0x1260 net/unix/af_unix.c:2357 ____sys_recvmsg+0x286/0x530 ___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: 0033:0x7fea7a0a7e69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007fea785f90c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fea7a1d6050 RCX: 00007fea7a0a7e69 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007fea7a0f447a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fea7a1d6050 R15: 00007ffd949ae2c8 ---------------- Code disassembly (best guess): 0: fb sti 1: 48 c1 eb 03 shr $0x3,%rbx 5: 49 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%r8 c: fc ff df f: 4e 8d 0c 03 lea (%rbx,%r8,1),%r9 13: 4c 8d 54 37 ff lea -0x1(%rdi,%rsi,1),%r10 18: 49 c1 ea 03 shr $0x3,%r10 1c: 49 bb 01 00 00 00 00 movabs $0xdffffc0000000001,%r11 23: fc ff df 26: 4f 8d 34 1a lea (%r10,%r11,1),%r14 * 2a: 4c 89 f5 mov %r14,%rbp <-- trapping instruction 2d: 4c 29 cd sub %r9,%rbp 30: 48 83 fd 10 cmp $0x10,%rbp 34: 7f 26 jg 0x5c 36: 48 85 ed test %rbp,%rbp 39: 0f 84 3a 01 00 00 je 0x179 3f: 49 rex.WB