------------[ cut here ]------------ WARNING: CPU: 0 PID: 6626 at net/mac80211/tx.c:5040 __ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] WARNING: CPU: 0 PID: 6626 at net/mac80211/tx.c:5040 __ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Modules linked in: CPU: 0 UID: 0 PID: 6626 Comm: syz-executor353 Not tainted 6.13.0-rc3-syzkaller-00017-gf44d154d6e3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__ieee80211_beacon_update_cntdwn net/mac80211/tx.c:5040 [inline] RIP: 0010:__ieee80211_beacon_get+0x1202/0x15c0 net/mac80211/tx.c:5469 Code: e8 43 19 64 f6 eb 0d e8 3c 19 64 f6 4c 8b bc 24 98 00 00 00 4c 89 ef e8 4c 58 bc f6 45 31 ed e9 4c fe ff ff e8 1f 19 64 f6 90 <0f> 0b 90 e9 00 f7 ff ff e8 11 19 64 f6 90 0f 0b 90 e9 e8 f8 ff ff RSP: 0018:ffffc900000079e0 EFLAGS: 00010246 RAX: ffffffff8b3b5a81 RBX: 0000000000000000 RCX: ffff8880327c8000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff8b3b517d R09: ffffffff8b3b4b80 R10: 0000000000000003 R11: ffff8880327c8000 R12: ffff88807f24e500 R13: ffff888035188800 R14: ffff88807f24e9d0 R15: ffff88807f24cd80 FS: 00007fc6b55c46c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000202d9030 CR3: 0000000034cc2000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5596 ieee80211_beacon_get include/net/mac80211.h:5635 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x297/0x570 net/mac80211/util.c:758 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:794 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1803 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1820 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561 __do_softirq kernel/softirq.c:595 [inline] invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0xf7/0x220 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+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__might_resched+0x2ef/0x780 kernel/sched/core.c:8760 Code: d7 cd f1 0c 48 8b 05 70 c0 a8 11 48 29 c1 48 83 c1 9c 79 57 48 85 c0 74 52 48 c7 44 24 40 0e 36 e0 45 4a c7 04 3a 00 00 00 00 <42> c7 44 3a 09 00 00 00 00 66 42 c7 44 3a 0d 00 00 42 c6 44 3a 0f RSP: 0018:ffffc9000be9f920 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff920017d3f38 RCX: ffff8880327c8000 RDX: dffffc0000000000 RSI: ffff8880327c8000 RDI: ffffc9000be9f9c0 RBP: ffffc9000be9fa40 R08: ffffffff81eaf401 R09: 1ffff920017d3ed0 R10: dffffc0000000000 R11: fffff520017d3ed1 R12: 0000000000000000 R13: ffff8880327c8444 R14: 0000000000000b82 R15: 1ffff920017d3f2c __might_fault+0x72/0x120 mm/memory.c:6748 do_recvmmsg+0x59c/0xab0 net/socket.c:2946 __sys_recvmmsg net/socket.c:3014 [inline] __do_sys_recvmmsg net/socket.c:3037 [inline] __se_sys_recvmmsg net/socket.c:3030 [inline] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3030 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc6b5638dc9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 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:00007fc6b55c4228 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fc6b56c31f8 RCX: 00007fc6b5638dc9 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007fc6b56c31f0 R08: 0000000000000000 R09: 00007fc6b55c46c0 R10: 0000000000000002 R11: 0000000000000246 R12: 00007fc6b56c31fc R13: 00007fc6b5688bc0 R14: 0031313230386c6e R15: 00007fff54ae9d98 ---------------- Code disassembly (best guess): 0: d7 xlat %ds:(%rbx) 1: cd f1 int $0xf1 3: 0c 48 or $0x48,%al 5: 8b 05 70 c0 a8 11 mov 0x11a8c070(%rip),%eax # 0x11a8c07b b: 48 29 c1 sub %rax,%rcx e: 48 83 c1 9c add $0xffffffffffffff9c,%rcx 12: 79 57 jns 0x6b 14: 48 85 c0 test %rax,%rax 17: 74 52 je 0x6b 19: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp) 20: e0 45 22: 4a c7 04 3a 00 00 00 movq $0x0,(%rdx,%r15,1) 29: 00 * 2a: 42 c7 44 3a 09 00 00 movl $0x0,0x9(%rdx,%r15,1) <-- trapping instruction 31: 00 00 33: 66 42 c7 44 3a 0d 00 movw $0x0,0xd(%rdx,%r15,1) 3a: 00 3b: 42 rex.X 3c: c6 .byte 0xc6 3d: 44 3a 0f cmp (%rdi),%r9b