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: 1 PID: 15314 at net/mac80211/rate.c:375 __rate_control_send_low+0x4b6/0x680 net/mac80211/rate.c:375 Modules linked in: CPU: 1 PID: 15314 Comm: syz-executor.3 Not tainted 5.10.229 #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 29 63 85 fd 44 8b 44 24 24 45 89 e9 44 89 e1 48 8b 74 24 10 44 89 f2 48 c7 c7 e0 1b 96 84 e8 8a c0 1d 00 <0f> 0b e9 29 fe ff ff e8 fe 62 85 fd 48 8b 44 24 08 48 8d 78 7f 48 RSP: 0018:ffff88806cf09008 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff888055ebb8e8 RCX: 0000000000000000 RDX: ffff88803b398000 RSI: ffffffff8129f023 RDI: ffffed100d9e11f3 RBP: ffff888017d131e8 R08: 0000000000000001 R09: ffff88806cf37b0f R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 00007f3a168fc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32524000 CR3: 0000000041c8e000 CR4: 0000000000350ee0 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:3811 [inline] __dev_queue_xmit+0xd43/0x2690 net/core/dev.c:4167 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:969 [inline] ip6_finish_output net/ipv6/ip6_output.c:226 [inline] NF_HOOK_COND include/linux/netfilter.h:285 [inline] ip6_output+0x3b8/0x7e0 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:1106 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:90 [inline] RIP: 0010:lock_release+0x11b/0x680 kernel/locking/lockdep.c:5579 Code: 85 be 02 00 00 65 4c 8b 34 25 80 6f 02 00 49 8d be 44 09 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 eb 04 00 00 45 RSP: 0018:ffff8880556af688 EFLAGS: 00000217 RAX: dffffc0000000000 RBX: ffffffff8567877c RCX: ffffffff81274c58 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88803b398944 RBP: 1ffff1100aad5ed3 R08: 0000000000000000 R09: ffffffff8567774f R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff850dec88 R13: ffff888058cab910 R14: ffff88803b398000 R15: ffffffff850dec20 __mutex_unlock_slowpath+0x80/0x600 kernel/locking/mutex.c:1234 kernfs_add_one+0x36e/0x4d0 fs/kernfs/dir.c:830 __kernfs_create_file+0x29c/0x350 fs/kernfs/file.c:1014 sysfs_add_file_mode_ns+0x221/0x560 fs/sysfs/file.c:306 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x324/0xb30 fs/sysfs/group.c:149 internal_create_groups.part.0+0x90/0x140 fs/sysfs/group.c:189 internal_create_groups fs/sysfs/group.c:185 [inline] sysfs_create_groups+0x25/0x50 fs/sysfs/group.c:215 device_add_groups drivers/base/core.c:2095 [inline] device_add_attrs drivers/base/core.c:2254 [inline] device_add+0x138f/0x1c50 drivers/base/core.c:2962 netdev_register_kobject+0x17a/0x3b0 net/core/net-sysfs.c:1997 register_netdevice+0xd6e/0x1480 net/core/dev.c:10048 register_netdev+0x2d/0x50 net/core/dev.c:10172 sit_init_net+0x264/0x500 net/ipv6/sit.c:1916 ops_init+0xbb/0x6b0 net/core/net_namespace.c:156 setup_net+0x2d8/0x810 net/core/net_namespace.c:354 copy_net_ns+0x2c0/0x5d0 net/core/net_namespace.c:495 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xbd/0x1f0 kernel/nsproxy.c:231 ksys_unshare+0x449/0x8a0 kernel/fork.c:3003 __do_sys_unshare kernel/fork.c:3071 [inline] __se_sys_unshare kernel/fork.c:3069 [inline] __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3069 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f3a19386b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3a168fc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f3a19499f60 RCX: 00007f3a19386b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048020200 RBP: 00007f3a193e0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe87752daf R14: 00007f3a168fc300 R15: 0000000000022000 irq event stamp: 9728 hardirqs last enabled at (9746): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (9757): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (7004): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (7149): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 27c510ada3257c8a ]--- EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue ext4 filesystem being mounted at /syzkaller-testdir549374633/syzkaller.sSH613/235/file0 supports timestamps until 2038-01-19 (0x7fffffff) netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 'syz-executor.1': attribute type 7 has an invalid length. tmpfs: Bad value for 'nr_blocks' EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue ext4 filesystem being mounted at /syzkaller-testdir549374633/syzkaller.sSH613/236/file0 supports timestamps until 2038-01-19 (0x7fffffff) ---------------- Code disassembly (best guess): 0: 85 be 02 00 00 65 test %edi,0x65000002(%rsi) 6: 4c 8b 34 25 80 6f 02 mov 0x26f80,%r14 d: 00 e: 49 8d be 44 09 00 00 lea 0x944(%r14),%rdi 15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1c: fc ff df 1f: 48 89 fa mov %rdi,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx 26: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 08 jl 0x3f 37: 84 d2 test %dl,%dl 39: 0f 85 eb 04 00 00 jne 0x52a 3f: 45 rex.RB