wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: CPU: 0 PID: 46407 at net/mac80211/rate.c:375 __rate_control_send_low+0x4b6/0x680 net/mac80211/rate.c:375 Modules linked in: CPU: 0 PID: 46407 Comm: syz-executor.5 Not tainted 5.10.218 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__rate_control_send_low+0x4b6/0x680 net/mac80211/rate.c:375 Code: 14 48 89 44 24 10 e8 b9 50 86 fd 44 8b 44 24 24 45 89 e9 44 89 e1 48 8b 74 24 10 44 89 f2 48 c7 c7 00 e6 95 84 e8 a0 b4 1d 00 <0f> 0b e9 29 fe ff ff e8 8e 50 86 fd 48 8b 44 24 08 48 8d 78 7f 48 RSP: 0018:ffff88806ce09000 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888057ea8de8 RCX: 0000000000000000 RDX: ffff888056dc3480 RSI: ffffffff8129d163 RDI: ffffed100d9c11f2 RBP: ffff888048d1b1e8 R08: 0000000000000001 R09: ffff88806ce37b0f R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020007000 CR3: 000000003f4f4000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 000000000ddd062a Call Trace: rate_control_send_low+0x1f2/0x600 net/mac80211/rate.c:400 rate_control_get_rate+0x18b/0x510 net/mac80211/rate.c:913 ieee80211_tx_h_rate_ctrl+0x9ed/0x1630 net/mac80211/tx.c:754 invoke_tx_handlers_early+0xaf3/0x2570 net/mac80211/tx.c:1789 ieee80211_tx+0x246/0x410 net/mac80211/tx.c:1931 ieee80211_xmit+0x220/0x2a0 net/mac80211/tx.c:2031 __ieee80211_subif_start_xmit+0x752/0xca0 net/mac80211/tx.c:4062 ieee80211_subif_start_xmit+0xef/0xf70 net/mac80211/tx.c:4198 __netdev_start_xmit include/linux/netdevice.h:4818 [inline] netdev_start_xmit include/linux/netdevice.h:4832 [inline] xmit_one net/core/dev.c:3600 [inline] dev_hard_start_xmit+0x1cb/0x6f0 net/core/dev.c:3616 sch_direct_xmit+0x25f/0x790 net/sched/sch_generic.c:336 qdisc_restart net/sched/sch_generic.c:401 [inline] __qdisc_run+0x4aa/0x1570 net/sched/sch_generic.c:409 qdisc_run include/net/pkt_sched.h:127 [inline] qdisc_run include/net/pkt_sched.h:124 [inline] __dev_xmit_skb net/core/dev.c:3792 [inline] __dev_queue_xmit+0xd99/0x2710 net/core/dev.c:4148 neigh_resolve_output net/core/neighbour.c:1509 [inline] neigh_resolve_output+0x4da/0x7f0 net/core/neighbour.c:1489 neigh_output include/net/neighbour.h:509 [inline] ip6_finish_output2+0xaaf/0x1fe0 net/ipv6/ip6_output.c:145 __ip6_finish_output.part.0+0x4f7/0xbc0 net/ipv6/ip6_output.c:216 __ip6_finish_output include/linux/skbuff.h:972 [inline] ip6_finish_output net/ipv6/ip6_output.c:226 [inline] NF_HOOK_COND include/linux/netfilter.h:285 [inline] ip6_output+0x3aa/0x7e0 net/ipv6/ip6_output.c:249 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:296 [inline] NF_HOOK include/linux/netfilter.h:290 [inline] mld_sendpack+0x8f3/0xe40 net/ipv6/mcast.c:1676 mld_send_cr net/ipv6/mcast.c:1972 [inline] mld_ifc_timer_expire+0x60a/0xf10 net/ipv6/mcast.c:2471 call_timer_fn+0x182/0x4a0 kernel/time/timer.c:1444 expire_timers kernel/time/timer.c:1489 [inline] __run_timers.part.0+0x667/0x9a0 kernel/time/timer.c:1783 __run_timers kernel/time/timer.c:1761 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1796 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:lock_acquire+0x1b9/0x470 kernel/locking/lockdep.c:5534 Code: 49 db 7e e8 39 91 ff ff b8 ff ff ff ff 48 83 c4 20 65 0f c1 05 e8 49 db 7e 83 f8 01 4c 8b 54 24 08 0f 85 48 02 00 00 41 52 9d <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff88805e5f75f8 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 1ffff1100bcbeec1 RCX: 000000006f935260 RDX: 1ffff1100adb87b8 RSI: e2cac880f9f1263e RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff868646e7 R10: 0000000000000246 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff84ff8be0 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:303 [inline] rcu_read_lock include/linux/rcupdate.h:717 [inline] lock_page_memcg+0x65/0x270 mm/memcontrol.c:2140 page_remove_rmap+0x21/0x7c0 mm/rmap.c:1328 zap_pte_range mm/memory.c:1287 [inline] zap_pmd_range mm/memory.c:1404 [inline] zap_pud_range mm/memory.c:1433 [inline] zap_p4d_range mm/memory.c:1454 [inline] unmap_page_range+0x110f/0x1fe0 mm/memory.c:1475 unmap_single_vma+0x198/0x300 mm/memory.c:1520 unmap_vmas+0x16d/0x300 mm/memory.c:1552 exit_mmap+0x27f/0x4f0 mm/mmap.c:3235 __mmput kernel/fork.c:1101 [inline] mmput+0xca/0x340 kernel/fork.c:1122 exit_mm kernel/exit.c:534 [inline] do_exit+0xa96/0x2600 kernel/exit.c:845 do_group_exit+0x125/0x310 kernel/exit.c:980 get_signal+0x4bc/0x22e0 kernel/signal.c:2751 arch_do_signal_or_restart+0x2b7/0x1990 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x10f/0x190 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f7978e9fb19 Code: Unable to access opcode bytes at RIP 0x7f7978e9faef. RSP: 002b:00007f7976415218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000001 RBX: 00007f7978fb2f68 RCX: 00007f7978e9fb19 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f7978fb2f6c RBP: 00007f7978fb2f60 R08: 000000000000000e R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7978fb2f6c R13: 00007ffc99522d2f R14: 00007f7976415300 R15: 0000000000022000 irq event stamp: 3160 hardirqs last enabled at (3170): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (3179): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1568): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1579): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 0e70d0f8d520ce14 ]--- netlink: 1792 bytes leftover after parsing attributes in process `syz-executor.4'. 9pnet: Insufficient options for proto=fd netlink: 1792 bytes leftover after parsing attributes in process `syz-executor.4'. 9pnet: Insufficient options for proto=fd ---------------- Code disassembly (best guess), 3 bytes skipped: 0: e8 39 91 ff ff callq 0xffff913e 5: b8 ff ff ff ff mov $0xffffffff,%eax a: 48 83 c4 20 add $0x20,%rsp e: 65 0f c1 05 e8 49 db xadd %eax,%gs:0x7edb49e8(%rip) # 0x7edb49fe 15: 7e 16: 83 f8 01 cmp $0x1,%eax 19: 4c 8b 54 24 08 mov 0x8(%rsp),%r10 1e: 0f 85 48 02 00 00 jne 0x26c 24: 41 52 push %r10 26: 9d popfq * 27: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 2e: fc ff df 31: 48 01 c3 add %rax,%rbx 34: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3b: 48 rex.W 3c: c7 .byte 0xc7