------------[ cut here ]------------ WARNING: CPU: 1 PID: 6219 at net/mac80211/tx.c:4934 __ieee80211_beacon_get+0x1abc/0x2110 net/mac80211/tx.c:5255 Modules linked in: CPU: 1 PID: 6219 Comm: syz.0.573 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:ffffc900001e0820 EFLAGS: 00010246 RAX: ffffffff8a2edc7c RBX: 0000000000000000 RCX: ffff888076f39dc0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900001e0a30 R08: ffffffff8a2ecd9c R09: ffffffff8a2ec5a2 R10: 0000000000000003 R11: ffff888076f39dc0 R12: dffffc0000000000 R13: 1ffff9200003c11c R14: ffff8880566ee258 R15: ffffffff8a2ec270 FS: 00007f46e539d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f46e539dd58 CR3: 000000007f935000 CR4: 00000000003506e0 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:lock_release+0x6/0xa20 kernel/locking/lockdep.c:5670 Code: ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 73 fd ff ff 4c 89 ef e8 da 57 77 00 e9 66 fd ff ff 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 00 01 00 00 49 89 f5 48 RSP: 0018:ffffc9000482f628 EFLAGS: 00000246 RAX: 1ffff92000905ed9 RBX: ffffc9000482f6c0 RCX: 1ffff92000905ed0 RDX: ffffc9000f273000 RSI: ffffffff895d2b5d RDI: ffff8880792bf590 RBP: ffffc9000482f630 R08: ffffffff8895604a R09: ffffed1004ec430d R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000482f6e0 R13: dffffc0000000000 R14: ffff8880792bf528 R15: ffffffff895d2b5d __mutex_unlock_slowpath+0xde/0x750 kernel/locking/mutex.c:907 __unix_dgram_recvmsg+0xcbd/0x1260 net/unix/af_unix.c:2508 ____sys_recvmsg+0x285/0x530 ___sys_recvmsg net/socket.c:2780 [inline] do_recvmmsg+0x46d/0xad0 net/socket.c:2874 __sys_recvmmsg net/socket.c:2953 [inline] __do_sys_recvmmsg net/socket.c:2976 [inline] __se_sys_recvmmsg net/socket.c:2969 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2969 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: 0033:0x7f46e457e819 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:00007f46e539d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f46e4736080 RCX: 00007f46e457e819 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007f46e45f175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f46e4736080 R15: 00007ffef0d00c38 ---------------- Code disassembly (best guess): 0: ff 44 89 e9 incl -0x17(%rcx,%rcx,4) 4: 80 e1 07 and $0x7,%cl 7: 80 c1 03 add $0x3,%cl a: 38 c1 cmp %al,%cl c: 0f 8c 73 fd ff ff jl 0xfffffd85 12: 4c 89 ef mov %r13,%rdi 15: e8 da 57 77 00 call 0x7757f4 1a: e9 66 fd ff ff jmp 0xfffffd85 1f: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 24: 55 push %rbp 25: 48 89 e5 mov %rsp,%rbp 28: 41 57 push %r15 * 2a: 41 56 push %r14 <-- trapping instruction 2c: 41 55 push %r13 2e: 41 54 push %r12 30: 53 push %rbx 31: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp 35: 48 81 ec 00 01 00 00 sub $0x100,%rsp 3c: 49 89 f5 mov %rsi,%r13 3f: 48 rex.W