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: 1 PID: 1567519 at net/mac80211/rate.c:375 __rate_control_send_low+0x4b6/0x680 net/mac80211/rate.c:375 Modules linked in: CPU: 1 PID: 1567519 Comm: syz-executor.5 Not tainted 5.10.217 #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 f9 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 e0 b4 1d 00 <0f> 0b e9 29 fe ff ff e8 ce 50 86 fd 48 8b 44 24 08 48 8d 78 7f 48 RSP: 0000:ffff88806cf09088 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff888037d68668 RCX: 0000000000000000 RDX: ffff88804ada0000 RSI: ffffffff8129d163 RDI: ffffed100d9e1203 RBP: ffff88805e67b1e8 R08: 0000000000000001 R09: ffff88806cf37b0f R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 000055555643d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc393f98f0 CR3: 0000000068afc000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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_hh_output include/net/neighbour.h:493 [inline] neigh_output include/net/neighbour.h:507 [inline] ip6_finish_output2+0x17b4/0x1fe0 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:arch_atomic64_try_cmpxchg arch/x86/include/asm/atomic64_64.h:190 [inline] RIP: 0010:atomic64_try_cmpxchg include/asm-generic/atomic-instrumented.h:1506 [inline] RIP: 0010:atomic_long_try_cmpxchg include/asm-generic/atomic-long.h:437 [inline] RIP: 0010:rwsem_clear_reader_owned kernel/locking/rwsem.c:245 [inline] RIP: 0010:__up_read+0x183/0x7a0 kernel/locking/rwsem.c:1445 Code: 4c 39 f0 75 34 4c 89 ff be 08 00 00 00 41 83 e5 07 e8 91 aa 46 00 be 08 00 00 00 48 8d 7c 24 38 e8 82 aa 46 00 48 8b 44 24 38 <48> 89 04 24 f0 4d 0f b1 2f 0f 85 01 01 00 00 be 08 00 00 00 48 89 RSP: 0000:ffff88802ac5fdf0 EFLAGS: 00000246 RAX: ffff88804ada0001 RBX: ffffffff85675138 RCX: ffffffff8125c31e RDX: ffffed100558bfc6 RSI: 0000000000000008 RDI: ffff88802ac5fe28 RBP: ffff88802cbd3fb8 R08: 0000000000000001 R09: ffff88802ac5fe2f R10: ffffed100558bfc5 R11: 0000000000000001 R12: 1ffff1100558bfc1 R13: 0000000000000001 R14: ffff88804ada0000 R15: ffff88802cbd3fc0 mmap_read_unlock include/linux/mmap_lock.h:61 [inline] do_user_addr_fault+0x5a7/0xc60 arch/x86/mm/fault.c:1391 handle_page_fault arch/x86/mm/fault.c:1427 [inline] exc_page_fault+0xa2/0x1a0 arch/x86/mm/fault.c:1483 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571 RIP: 0033:0x7ffc393f98f0 Code: ff 48 8d 15 b2 e7 ff ff 81 3d ac b7 ff ff ff ff ff 7f 48 0f 44 c2 48 8b 40 20 48 85 ff 74 03 48 89 07 c3 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 54 53 48 83 ec 10 83 ff 0f 0f 87 b2 00 00 00 b8 01 RSP: 002b:00007ffc393e6728 EFLAGS: 00010206 RAX: 00007ffc393f98f0 RBX: 0000000000000003 RCX: 0000001b30020000 RDX: 0000001b30020004 RSI: 00007ffc393e6750 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000001b31020000 R09: 00007ffc393e63b0 R10: 0000000000000000 R11: 0000000000000000 R12: 00007ffc393e6750 R13: 0000000000000001 R14: 0000000000000001 R15: 00007ffc393e6a00 irq event stamp: 3192 hardirqs last enabled at (3200): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (3209): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (780): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (2005): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 8dd4988914eed1fc ]--- EXT4-fs error (device loop0): ext4_orphan_get:1417: comm syz-executor.0: bad orphan inode 254 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_orphan_get:1417: comm syz-executor.0: bad orphan inode 255 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_orphan_get:1417: comm syz-executor.0: bad orphan inode 255 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready EXT4-fs error (device loop0): ext4_orphan_get:1417: comm syz-executor.0: bad orphan inode 255 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop0): ext4_orphan_get:1417: comm syz-executor.0: bad orphan inode 255 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue __nla_validate_parse: 1 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.6'. EXT4-fs error (device loop0): ext4_orphan_get:1417: comm syz-executor.0: bad orphan inode 255 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium ---------------- Code disassembly (best guess): 0: 4c 39 f0 cmp %r14,%rax 3: 75 34 jne 0x39 5: 4c 89 ff mov %r15,%rdi 8: be 08 00 00 00 mov $0x8,%esi d: 41 83 e5 07 and $0x7,%r13d 11: e8 91 aa 46 00 callq 0x46aaa7 16: be 08 00 00 00 mov $0x8,%esi 1b: 48 8d 7c 24 38 lea 0x38(%rsp),%rdi 20: e8 82 aa 46 00 callq 0x46aaa7 25: 48 8b 44 24 38 mov 0x38(%rsp),%rax * 2a: 48 89 04 24 mov %rax,(%rsp) <-- trapping instruction 2e: f0 4d 0f b1 2f lock cmpxchg %r13,(%r15) 33: 0f 85 01 01 00 00 jne 0x13a 39: be 08 00 00 00 mov $0x8,%esi 3e: 48 rex.W 3f: 89 .byte 0x89