forked to background, child pid 3170 no interfaces have a carrier [ 27.707335][ T3171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.720933][ T3171] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.213' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.404114][ T6] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.924197][ T6] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 49.933346][ T6] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 49.941935][ T6] usb 1-1: Product: syz [ 49.946175][ T6] usb 1-1: Manufacturer: syz [ 49.950772][ T6] usb 1-1: SerialNumber: syz [ 49.996301][ T6] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 50.574200][ T6] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 51.604113][ T6] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 51.611303][ T6] ath9k_htc: Failed to initialize the device [ 51.734200][ C0] ================================================================== [ 51.742273][ C0] BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 51.750349][ C0] Read of size 4 at addr ffff8880731e4348 by task swapper/0/0 [ 51.757789][ C0] [ 51.760095][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc3-next-20220420-syzkaller #0 [ 51.769302][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.779350][ C0] Call Trace: [ 51.782616][ C0] [ 51.785443][ C0] dump_stack_lvl+0xcd/0x134 [ 51.790043][ C0] print_address_description.constprop.0.cold+0xeb/0x495 [ 51.797080][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 51.802461][ C0] kasan_report.cold+0xf4/0x1c6 [ 51.807315][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 51.812686][ C0] ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 51.817887][ C0] ? down_read_non_owner+0x3a0/0x4a0 [ 51.823184][ C0] ? hif_usb_start+0xa0/0xa0 [ 51.827773][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 51.832700][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 51.838071][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 51.843280][ C0] dummy_timer+0x11f9/0x32b0 [ 51.847895][ C0] ? dummy_dequeue+0x500/0x500 [ 51.852660][ C0] ? dummy_dequeue+0x500/0x500 [ 51.857420][ C0] call_timer_fn+0x1a5/0x6b0 [ 51.862004][ C0] ? timer_fixup_activate+0x350/0x350 [ 51.867379][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 51.872240][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.877434][ C0] ? dummy_dequeue+0x500/0x500 [ 51.882198][ C0] __run_timers.part.0+0x679/0xa80 [ 51.887321][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 51.892096][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 51.897326][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 51.902195][ C0] run_timer_softirq+0xb3/0x1d0 [ 51.907048][ C0] __do_softirq+0x29b/0x9c2 [ 51.911554][ C0] __irq_exit_rcu+0x123/0x180 [ 51.916226][ C0] irq_exit_rcu+0x5/0x20 [ 51.920460][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 51.926098][ C0] [ 51.929018][ C0] [ 51.931938][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 51.937918][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 51.943719][ C0] Code: 89 de e8 2d 38 09 f8 84 db 75 ac e8 44 34 09 f8 e8 3f 86 0f f8 eb 0c e8 38 34 09 f8 0f 00 2d 41 3f c2 00 e8 2c 34 09 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 a7 36 09 f8 48 85 db [ 51.963321][ C0] RSP: 0018:ffffffff8ba07d60 EFLAGS: 00000293 [ 51.969378][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 51.977337][ C0] RDX: ffffffff8babc880 RSI: ffffffff8970d984 RDI: 0000000000000000 [ 51.985299][ C0] RBP: ffff888140784064 R08: 0000000000000001 R09: 0000000000000001 [ 51.993262][ C0] R10: ffffffff81805fe8 R11: 0000000000000000 R12: 0000000000000001 [ 52.001223][ C0] R13: ffff888140784000 R14: ffff888140784064 R15: ffff88814743b004 [ 52.009190][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 52.014222][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 52.019421][ C0] acpi_idle_enter+0x369/0x510 [ 52.024188][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 52.029316][ C0] cpuidle_enter+0x4a/0xa0 [ 52.033744][ C0] do_idle+0x3e8/0x590 [ 52.037807][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 52.042835][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 52.049080][ C0] cpu_startup_entry+0x14/0x20 [ 52.053860][ C0] start_kernel+0x47f/0x4a0 [ 52.058368][ C0] secondary_startup_64_no_verify+0xce/0xdb [ 52.064286][ C0] [ 52.067301][ C0] [ 52.069639][ C0] Allocated by task 0: [ 52.073684][ C0] (stack is not available) [ 52.078075][ C0] [ 52.080379][ C0] The buggy address belongs to the object at ffff8880731e3300 [ 52.080379][ C0] which belongs to the cache names_cache of size 4096 [ 52.094590][ C0] The buggy address is located 72 bytes to the right of [ 52.094590][ C0] 4096-byte region [ffff8880731e3300, ffff8880731e4300) [ 52.108377][ C0] [ 52.110688][ C0] The buggy address belongs to the physical page: [ 52.117077][ C0] page:ffffea0001cc7800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x731e0 [ 52.127215][ C0] head:ffffea0001cc7800 order:3 compound_mapcount:0 compound_pincount:0 [ 52.135534][ C0] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 52.143511][ C0] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888140007500 [ 52.152085][ C0] raw: 0000000000000000 0000000080070007 00000001ffffffff 0000000000000000 [ 52.160649][ C0] page dumped because: kasan: bad access detected [ 52.167038][ C0] page_owner tracks the page as allocated [ 52.172730][ C0] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2942, tgid 2942 (syslogd), ts 51617769195, free_ts 51611281760 [ 52.193652][ C0] get_page_from_freelist+0xba2/0x3e00 [ 52.199108][ C0] __alloc_pages+0x1b2/0x500 [ 52.203690][ C0] alloc_pages+0x1aa/0x310 [ 52.208105][ C0] allocate_slab+0x26c/0x3c0 [ 52.212694][ C0] ___slab_alloc+0x985/0xd90 [ 52.217284][ C0] __slab_alloc.constprop.0+0x4d/0xa0 [ 52.222656][ C0] kmem_cache_alloc+0x360/0x3b0 [ 52.227504][ C0] getname_flags.part.0+0x50/0x4f0 [ 52.232605][ C0] getname+0x8e/0xd0 [ 52.236499][ C0] do_sys_openat2+0xf5/0x4c0 [ 52.241094][ C0] __x64_sys_openat+0x13f/0x1f0 [ 52.245936][ C0] do_syscall_64+0x35/0xb0 [ 52.250350][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 52.256242][ C0] page last free stack trace: [ 52.260891][ C0] free_pcp_prepare+0x549/0xd20 [ 52.265746][ C0] free_unref_page+0x19/0x6a0 [ 52.270411][ C0] device_release+0x9f/0x240 [ 52.275006][ C0] kobject_put+0x1c8/0x540 [ 52.279413][ C0] put_device+0x1b/0x30 [ 52.283559][ C0] ath9k_htc_probe_device+0x1c7/0x1f00 [ 52.289018][ C0] ath9k_htc_hw_init+0x31/0x60 [ 52.293798][ C0] ath9k_hif_usb_firmware_cb+0x274/0x530 [ 52.299443][ C0] request_firmware_work_func+0x12c/0x230 [ 52.305168][ C0] process_one_work+0x996/0x1610 [ 52.310103][ C0] worker_thread+0x665/0x1080 [ 52.314779][ C0] kthread+0x2e9/0x3a0 [ 52.318836][ C0] ret_from_fork+0x1f/0x30 [ 52.323369][ C0] [ 52.325682][ C0] Memory state around the buggy address: [ 52.331300][ C0] ffff8880731e4200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.339356][ C0] ffff8880731e4280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.347407][ C0] >ffff8880731e4300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.355451][ C0] ^ [ 52.361843][ C0] ffff8880731e4380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.369887][ C0] ffff8880731e4400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 52.377927][ C0] ================================================================== [ 52.385965][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 52.392533][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc3-next-20220420-syzkaller #0 [ 52.401716][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.411754][ C0] Call Trace: [ 52.415019][ C0] [ 52.417859][ C0] dump_stack_lvl+0xcd/0x134 [ 52.422474][ C0] panic+0x2d7/0x636 [ 52.426383][ C0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 52.432379][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 52.437758][ C0] end_report.part.0+0x3f/0x7c [ 52.442534][ C0] kasan_report.cold+0x93/0x1c6 [ 52.447391][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 52.452763][ C0] ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 52.457964][ C0] ? down_read_non_owner+0x3a0/0x4a0 [ 52.463253][ C0] ? hif_usb_start+0xa0/0xa0 [ 52.467839][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 52.472777][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 52.478143][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 52.483339][ C0] dummy_timer+0x11f9/0x32b0 [ 52.487942][ C0] ? dummy_dequeue+0x500/0x500 [ 52.492705][ C0] ? dummy_dequeue+0x500/0x500 [ 52.497463][ C0] call_timer_fn+0x1a5/0x6b0 [ 52.502050][ C0] ? timer_fixup_activate+0x350/0x350 [ 52.507414][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 52.512273][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.517465][ C0] ? dummy_dequeue+0x500/0x500 [ 52.522243][ C0] __run_timers.part.0+0x679/0xa80 [ 52.527351][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 52.532113][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 52.537304][ C0] ? sched_clock_cpu+0x15/0x1f0 [ 52.542164][ C0] run_timer_softirq+0xb3/0x1d0 [ 52.547009][ C0] __do_softirq+0x29b/0x9c2 [ 52.551518][ C0] __irq_exit_rcu+0x123/0x180 [ 52.556190][ C0] irq_exit_rcu+0x5/0x20 [ 52.560421][ C0] sysvec_apic_timer_interrupt+0x93/0xc0 [ 52.566060][ C0] [ 52.568974][ C0] [ 52.571889][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 52.577870][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 52.583676][ C0] Code: 89 de e8 2d 38 09 f8 84 db 75 ac e8 44 34 09 f8 e8 3f 86 0f f8 eb 0c e8 38 34 09 f8 0f 00 2d 41 3f c2 00 e8 2c 34 09 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 a7 36 09 f8 48 85 db [ 52.603274][ C0] RSP: 0018:ffffffff8ba07d60 EFLAGS: 00000293 [ 52.609329][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 52.617294][ C0] RDX: ffffffff8babc880 RSI: ffffffff8970d984 RDI: 0000000000000000 [ 52.625253][ C0] RBP: ffff888140784064 R08: 0000000000000001 R09: 0000000000000001 [ 52.633209][ C0] R10: ffffffff81805fe8 R11: 0000000000000000 R12: 0000000000000001 [ 52.641176][ C0] R13: ffff888140784000 R14: ffff888140784064 R15: ffff88814743b004 [ 52.649137][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 52.654165][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 52.659360][ C0] acpi_idle_enter+0x369/0x510 [ 52.664128][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 52.669260][ C0] cpuidle_enter+0x4a/0xa0 [ 52.673698][ C0] do_idle+0x3e8/0x590 [ 52.677774][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 52.682814][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 52.689076][ C0] cpu_startup_entry+0x14/0x20 [ 52.693850][ C0] start_kernel+0x47f/0x4a0 [ 52.698353][ C0] secondary_startup_64_no_verify+0xce/0xdb [ 52.704255][ C0] [ 52.707420][ C0] Kernel Offset: disabled [ 52.711734][ C0] Rebooting in 86400 seconds..