forked to background, child pid 3171 no interfaces have a carrier [ 21.292700][ T3172] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.304703][ T3172] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.190313][ T139] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.730462][ T139] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 52.739688][ T139] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 52.748147][ T139] usb 1-1: Product: syz [ 52.752547][ T139] usb 1-1: Manufacturer: syz [ 52.757140][ T139] usb 1-1: SerialNumber: syz [ 52.802211][ T139] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 53.380415][ T22] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 54.410359][ T22] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 54.417917][ T22] ath9k_htc: Failed to initialize the device [ 54.590294][ C1] ================================================================== [ 54.598452][ C1] BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xd17/0x10d0 [ 54.606527][ C1] Read of size 4 at addr ffff88801f264354 by task swapper/1/0 [ 54.614235][ C1] [ 54.616541][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.18.0-rc2-syzkaller-00050-ga19944809fe9 #0 [ 54.626234][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.636272][ C1] Call Trace: [ 54.639532][ C1] [ 54.642368][ C1] dump_stack_lvl+0xcd/0x134 [ 54.646949][ C1] print_address_description.constprop.0.cold+0xeb/0x495 [ 54.653949][ C1] ? ath9k_hif_usb_rx_cb+0xd17/0x10d0 [ 54.659295][ C1] kasan_report.cold+0xf4/0x1c6 [ 54.664124][ C1] ? ath9k_hif_usb_rx_cb+0xd17/0x10d0 [ 54.669544][ C1] ath9k_hif_usb_rx_cb+0xd17/0x10d0 [ 54.674741][ C1] ? partition_sched_domains_locked+0x7a0/0x840 [ 54.681051][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 54.685887][ C1] ? hif_usb_start+0xa0/0xa0 [ 54.690518][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 54.695569][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 54.701372][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 54.706554][ C1] dummy_timer+0x11f9/0x32b0 [ 54.711124][ C1] ? dummy_dequeue+0x500/0x500 [ 54.715964][ C1] ? dummy_dequeue+0x500/0x500 [ 54.720705][ C1] call_timer_fn+0x1a5/0x6b0 [ 54.725274][ C1] ? timer_fixup_activate+0x350/0x350 [ 54.730644][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 54.735491][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 54.740780][ C1] ? dummy_dequeue+0x500/0x500 [ 54.745541][ C1] __run_timers.part.0+0x67c/0xa30 [ 54.750636][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 54.755399][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 54.760681][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 54.765778][ C1] run_timer_softirq+0xb3/0x1d0 [ 54.770612][ C1] __do_softirq+0x29b/0x9c2 [ 54.775101][ C1] __irq_exit_rcu+0x123/0x180 [ 54.780056][ C1] irq_exit_rcu+0x5/0x20 [ 54.784276][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 54.789891][ C1] [ 54.792799][ C1] [ 54.795702][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 54.801840][ C1] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 54.807633][ C1] Code: 89 de e8 7d 83 16 f8 84 db 75 ac e8 94 7f 16 f8 e8 ff c7 1c f8 eb 0c e8 88 7f 16 f8 0f 00 2d 41 ba cf 00 e8 7c 7f 16 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 f7 81 16 f8 48 85 db [ 54.827398][ C1] RSP: 0018:ffffc90000177d18 EFLAGS: 00000293 [ 54.833451][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 54.841398][ C1] RDX: ffff888011a21d00 RSI: ffffffff89629c24 RDI: 0000000000000000 [ 54.849346][ C1] RBP: ffff888016853064 R08: 0000000000000001 R09: 0000000000000001 [ 54.857294][ C1] R10: ffffffff817f6448 R11: 0000000000000000 R12: 0000000000000001 [ 54.865249][ C1] R13: ffff888016853000 R14: ffff888016853064 R15: ffff888019d19804 [ 54.873198][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 54.878203][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 54.883382][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 54.888555][ C1] acpi_idle_enter+0x361/0x500 [ 54.893296][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 54.898403][ C1] cpuidle_enter+0x4a/0xa0 [ 54.902797][ C1] do_idle+0x3e8/0x590 [ 54.906844][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 54.911846][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 54.917630][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 54.922806][ C1] cpu_startup_entry+0x14/0x20 [ 54.927737][ C1] start_secondary+0x265/0x340 [ 54.932492][ C1] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 54.937928][ C1] secondary_startup_64_no_verify+0xc3/0xcb [ 54.943807][ C1] [ 54.946822][ C1] [ 54.949128][ C1] Allocated by task 0: [ 54.953164][ C1] (stack is not available) [ 54.957553][ C1] [ 54.959851][ C1] The buggy address belongs to the object at ffff88801f264000 [ 54.959851][ C1] which belongs to the cache kmalloc-4k of size 4096 [ 54.974404][ C1] The buggy address is located 852 bytes inside of [ 54.974404][ C1] 4096-byte region [ffff88801f264000, ffff88801f265000) [ 54.987844][ C1] [ 54.990149][ C1] The buggy address belongs to the physical page: [ 54.996526][ C1] page:ffffea00007c9800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1f260 [ 55.006764][ C1] head:ffffea00007c9800 order:3 compound_mapcount:0 compound_pincount:0 [ 55.015068][ C1] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff) [ 55.023033][ C1] raw: 00fff00000010200 0000000000000000 dead000000000122 ffff888010c42140 [ 55.031595][ C1] raw: 0000000000000000 0000000080040004 00000001ffffffff 0000000000000000 [ 55.040144][ C1] page dumped because: kasan: bad access detected [ 55.046526][ C1] page_owner tracks the page as allocated [ 55.052402][ C1] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 2943, tgid 2943 (syslogd), ts 54424364611, free_ts 54417896851 [ 55.072715][ C1] get_page_from_freelist+0xba2/0x3e00 [ 55.078179][ C1] __alloc_pages+0x1b2/0x500 [ 55.082747][ C1] alloc_pages+0x1aa/0x310 [ 55.087157][ C1] allocate_slab+0x26c/0x3c0 [ 55.091721][ C1] ___slab_alloc+0x8df/0xf20 [ 55.096285][ C1] __slab_alloc.constprop.0+0x4d/0xa0 [ 55.101628][ C1] __kmalloc+0x318/0x350 [ 55.105843][ C1] tomoyo_realpath_from_path+0xc3/0x620 [ 55.111360][ C1] tomoyo_path_perm+0x21b/0x400 [ 55.116186][ C1] security_inode_getattr+0xcf/0x140 [ 55.121446][ C1] vfs_statx+0x16a/0x390 [ 55.125666][ C1] vfs_fstatat+0x8c/0xb0 [ 55.129883][ C1] __do_sys_newfstatat+0x91/0x110 [ 55.134898][ C1] do_syscall_64+0x35/0xb0 [ 55.139317][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 55.145190][ C1] page last free stack trace: [ 55.149840][ C1] free_pcp_prepare+0x549/0xd20 [ 55.154673][ C1] free_unref_page+0x19/0x6a0 [ 55.159327][ C1] device_release+0x9f/0x240 [ 55.163899][ C1] kobject_put+0x1c8/0x540 [ 55.168298][ C1] put_device+0x1b/0x30 [ 55.172428][ C1] ath9k_htc_probe_device+0x1c7/0x1f00 [ 55.177858][ C1] ath9k_htc_hw_init+0x31/0x60 [ 55.182599][ C1] ath9k_hif_usb_firmware_cb+0x274/0x530 [ 55.188214][ C1] request_firmware_work_func+0x12c/0x230 [ 55.193994][ C1] process_one_work+0x996/0x1610 [ 55.198902][ C1] worker_thread+0x665/0x1080 [ 55.203549][ C1] kthread+0x2e9/0x3a0 [ 55.207592][ C1] ret_from_fork+0x1f/0x30 [ 55.211983][ C1] [ 55.214277][ C1] Memory state around the buggy address: [ 55.219873][ C1] ffff88801f264200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.228175][ C1] ffff88801f264280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.236385][ C1] >ffff88801f264300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.244425][ C1] ^ [ 55.251389][ C1] ffff88801f264380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.259428][ C1] ffff88801f264400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.267459][ C1] ================================================================== [ 55.275490][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 55.282044][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.18.0-rc2-syzkaller-00050-ga19944809fe9 #0 [ 55.291738][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.301765][ C1] Call Trace: [ 55.305021][ C1] [ 55.307837][ C1] dump_stack_lvl+0xcd/0x134 [ 55.312410][ C1] panic+0x2d7/0x636 [ 55.316278][ C1] ? panic_print_sys_info.part.0+0x10b/0x10b [ 55.322237][ C1] ? ath9k_hif_usb_rx_cb+0xd17/0x10d0 [ 55.327591][ C1] end_report.part.0+0x3f/0x7c [ 55.332332][ C1] kasan_report.cold+0x93/0x1c6 [ 55.337153][ C1] ? ath9k_hif_usb_rx_cb+0xd17/0x10d0 [ 55.342497][ C1] ath9k_hif_usb_rx_cb+0xd17/0x10d0 [ 55.347673][ C1] ? partition_sched_domains_locked+0x7a0/0x840 [ 55.353973][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 55.358795][ C1] ? hif_usb_start+0xa0/0xa0 [ 55.363357][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 55.368272][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 55.373623][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 55.378798][ C1] dummy_timer+0x11f9/0x32b0 [ 55.383370][ C1] ? dummy_dequeue+0x500/0x500 [ 55.388110][ C1] ? dummy_dequeue+0x500/0x500 [ 55.392842][ C1] call_timer_fn+0x1a5/0x6b0 [ 55.397406][ C1] ? timer_fixup_activate+0x350/0x350 [ 55.402760][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 55.407589][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 55.412759][ C1] ? dummy_dequeue+0x500/0x500 [ 55.417493][ C1] __run_timers.part.0+0x67c/0xa30 [ 55.422580][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 55.427319][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 55.432489][ C1] ? sched_clock_cpu+0x15/0x1f0 [ 55.437315][ C1] run_timer_softirq+0xb3/0x1d0 [ 55.442137][ C1] __do_softirq+0x29b/0x9c2 [ 55.446619][ C1] __irq_exit_rcu+0x123/0x180 [ 55.451274][ C1] irq_exit_rcu+0x5/0x20 [ 55.455486][ C1] sysvec_apic_timer_interrupt+0x93/0xc0 [ 55.461096][ C1] [ 55.464005][ C1] [ 55.466906][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 55.472860][ C1] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 55.478656][ C1] Code: 89 de e8 7d 83 16 f8 84 db 75 ac e8 94 7f 16 f8 e8 ff c7 1c f8 eb 0c e8 88 7f 16 f8 0f 00 2d 41 ba cf 00 e8 7c 7f 16 f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 f7 81 16 f8 48 85 db [ 55.498241][ C1] RSP: 0018:ffffc90000177d18 EFLAGS: 00000293 [ 55.504444][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 55.512744][ C1] RDX: ffff888011a21d00 RSI: ffffffff89629c24 RDI: 0000000000000000 [ 55.520702][ C1] RBP: ffff888016853064 R08: 0000000000000001 R09: 0000000000000001 [ 55.528650][ C1] R10: ffffffff817f6448 R11: 0000000000000000 R12: 0000000000000001 [ 55.536594][ C1] R13: ffff888016853000 R14: ffff888016853064 R15: ffff888019d19804 [ 55.544634][ C1] ? trace_hardirqs_on+0x38/0x1c0 [ 55.549640][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 55.554822][ C1] ? acpi_idle_do_entry+0x1c4/0x250 [ 55.559995][ C1] acpi_idle_enter+0x361/0x500 [ 55.564744][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 55.569844][ C1] cpuidle_enter+0x4a/0xa0 [ 55.574235][ C1] do_idle+0x3e8/0x590 [ 55.578277][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 55.583452][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 55.589242][ C1] ? lockdep_hardirqs_on+0x79/0x100 [ 55.594433][ C1] cpu_startup_entry+0x14/0x20 [ 55.599187][ C1] start_secondary+0x265/0x340 [ 55.603939][ C1] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 55.609471][ C1] secondary_startup_64_no_verify+0xc3/0xcb [ 55.615344][ C1] [ 55.618754][ C1] Kernel Offset: disabled [ 55.623058][ C1] Rebooting in 86400 seconds..