dhcpcd-9.4.0 starting dev: loaded udev DUID 00:04:08:8d:7f:22:61:cc:c3:77:b4:57:97:dd:f7:b3:90:2d forked to background, child pid 1206 Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 31.480669][ T70] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 32.020601][ T70] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 32.029770][ T70] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 32.037860][ T70] usb 1-1: Product: syz [ 32.042068][ T70] usb 1-1: Manufacturer: syz [ 32.046647][ T70] usb 1-1: SerialNumber: syz [ 32.092533][ T70] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 32.670618][ T70] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 33.720520][ T70] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 33.727591][ T70] ath9k_htc: Failed to initialize the device [ 33.890510][ C0] ================================================================== [ 33.898594][ C0] BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 33.906685][ C0] Read of size 4 at addr ffff888108a5c348 by task swapper/0/0 [ 33.914119][ C0] [ 33.916426][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc1-syzkaller #0 [ 33.924382][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.934416][ C0] Call Trace: [ 33.937677][ C0] <IRQ> [ 33.940501][ C0] dump_stack_lvl+0xcd/0x134 [ 33.945090][ C0] print_address_description.constprop.0.cold+0xeb/0x495 [ 33.952098][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 33.957460][ C0] kasan_report.cold+0xf4/0x1c6 [ 33.962333][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 33.967697][ C0] ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 33.972883][ C0] ? __ia32_sys_membarrier+0x40/0x200 [ 33.978243][ C0] ? hif_usb_start+0xa0/0xa0 [ 33.982817][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 33.987745][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 33.993102][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 33.998282][ C0] dummy_timer+0x11f9/0x32b0 [ 34.002856][ C0] ? dummy_dequeue+0x500/0x500 [ 34.007602][ C0] ? dummy_dequeue+0x500/0x500 [ 34.012344][ C0] call_timer_fn+0x1a5/0x6b0 [ 34.016918][ C0] ? timer_fixup_activate+0x350/0x350 [ 34.022272][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 34.027111][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 34.032300][ C0] ? dummy_dequeue+0x500/0x500 [ 34.037047][ C0] __run_timers.part.0+0x67c/0xa30 [ 34.042169][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 34.046914][ C0] ? lapic_next_event+0x4d/0x80 [ 34.051749][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.057972][ C0] ? clockevents_program_event+0x12b/0x370 [ 34.063789][ C0] run_timer_softirq+0xb3/0x1d0 [ 34.068628][ C0] __do_softirq+0x288/0x9a5 [ 34.073119][ C0] __irq_exit_rcu+0x113/0x170 [ 34.077779][ C0] irq_exit_rcu+0x5/0x20 [ 34.082004][ C0] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 34.087626][ C0] </IRQ> [ 34.090542][ C0] <TASK> [ 34.093454][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 34.099433][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 34.105227][ C0] Code: 89 de e8 bd 82 5a fb 84 db 75 ac e8 d4 7e 5a fb e8 ff bc 60 fb eb 0c e8 c8 7e 5a fb 0f 00 2d 31 1d 81 00 e8 bc 7e 5a fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 37 81 5a fb 48 85 db [ 34.124817][ C0] RSP: 0018:ffffffff87807d60 EFLAGS: 00000293 [ 34.130869][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 34.138823][ C0] RDX: ffffffff878526c0 RSI: ffffffff85e9fa54 RDI: 0000000000000000 [ 34.146787][ C0] RBP: ffff8881094a6864 R08: 0000000000000001 R09: 0000000000000001 [ 34.154738][ C0] R10: ffffffff814ab778 R11: 0000000000000000 R12: 0000000000000001 [ 34.162691][ C0] R13: ffff8881094a6800 R14: ffff8881094a6864 R15: ffff88810c898804 [ 34.170647][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 34.175662][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 34.180849][ C0] acpi_idle_enter+0x361/0x500 [ 34.185594][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 34.190690][ C0] cpuidle_enter+0x4a/0xa0 [ 34.195108][ C0] do_idle+0x3e8/0x590 [ 34.199176][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 34.204184][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 34.210411][ C0] cpu_startup_entry+0x14/0x20 [ 34.215181][ C0] start_kernel+0x47f/0x4a0 [ 34.219667][ C0] secondary_startup_64_no_verify+0xc3/0xcb [ 34.225544][ C0] </TASK> [ 34.228543][ C0] [ 34.230846][ C0] Allocated by task 0: [ 34.234889][ C0] (stack is not available) [ 34.239278][ C0] [ 34.241584][ C0] The buggy address belongs to the object at ffff888108a5c000 [ 34.241584][ C0] which belongs to the cache kmalloc-4k of size 4096 [ 34.255635][ C0] The buggy address is located 840 bytes inside of [ 34.255635][ C0] 4096-byte region [ffff888108a5c000, ffff888108a5d000) [ 34.268971][ C0] [ 34.271274][ C0] The buggy address belongs to the physical page: [ 34.277657][ C0] page:ffffea0004229600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x108a58 [ 34.287870][ C0] head:ffffea0004229600 order:3 compound_mapcount:0 compound_pincount:0 [ 34.296170][ C0] flags: 0x200000000010200(slab|head|node=0|zone=2) [ 34.302744][ C0] raw: 0200000000010200 0000000000000000 dead000000000122 ffff888100042140 [ 34.311310][ C0] raw: 0000000000000000 0000000080040004 00000001ffffffff 0000000000000000 [ 34.319879][ C0] page dumped because: kasan: bad access detected [ 34.326266][ C0] page_owner tracks the page as allocated [ 34.331959][ C0] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1276, tgid 1276 (syz-executor343), ts 33871880672, free_ts 33727566773 [ 34.352779][ C0] get_page_from_freelist+0x1373/0x2780 [ 34.358317][ C0] __alloc_pages+0x1b2/0x500 [ 34.362889][ C0] alloc_pages+0x1aa/0x310 [ 34.367288][ C0] allocate_slab+0x26c/0x3c0 [ 34.371854][ C0] ___slab_alloc+0x95a/0x1010 [ 34.376513][ C0] __slab_alloc.constprop.0+0x4d/0xa0 [ 34.381865][ C0] __kmalloc+0x306/0x320 [ 34.386084][ C0] tomoyo_realpath_from_path+0xc3/0x620 [ 34.391609][ C0] tomoyo_path_number_perm+0x1d5/0x590 [ 34.397056][ C0] security_file_ioctl+0x50/0xb0 [ 34.401977][ C0] __x64_sys_ioctl+0xb3/0x200 [ 34.406633][ C0] do_syscall_64+0x35/0xb0 [ 34.411030][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 34.416905][ C0] page last free stack trace: [ 34.421555][ C0] free_pcp_prepare+0x537/0xb80 [ 34.426387][ C0] free_unref_page+0x19/0x580 [ 34.431045][ C0] device_release+0x9f/0x240 [ 34.435621][ C0] kobject_put+0x1c8/0x540 [ 34.440018][ C0] put_device+0x1b/0x30 [ 34.444151][ C0] ath9k_htc_probe_device+0x1c7/0x1f00 [ 34.449594][ C0] ath9k_htc_hw_init+0x31/0x60 [ 34.454342][ C0] ath9k_hif_usb_firmware_cb+0x274/0x530 [ 34.459958][ C0] request_firmware_work_func+0x12c/0x230 [ 34.465660][ C0] process_one_work+0x996/0x1610 [ 34.470579][ C0] worker_thread+0x665/0x1080 [ 34.475238][ C0] kthread+0x2ef/0x3a0 [ 34.479291][ C0] ret_from_fork+0x1f/0x30 [ 34.483700][ C0] [ 34.486011][ C0] Memory state around the buggy address: [ 34.491624][ C0] ffff888108a5c200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.499661][ C0] ffff888108a5c280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.507699][ C0] >ffff888108a5c300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.515741][ C0] ^ [ 34.522144][ C0] ffff888108a5c380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.530184][ C0] ffff888108a5c400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.538218][ C0] ================================================================== [ 34.546251][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 34.552812][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.18.0-rc1-syzkaller #0 [ 34.560768][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.570804][ C0] Call Trace: [ 34.574064][ C0] <IRQ> [ 34.576888][ C0] dump_stack_lvl+0xcd/0x134 [ 34.581463][ C0] panic+0x2d7/0x636 [ 34.585348][ C0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 34.591334][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 34.596695][ C0] end_report.part.0+0x3f/0x7c [ 34.601457][ C0] kasan_report.cold+0x93/0x1c6 [ 34.606304][ C0] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 34.611666][ C0] ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 34.616855][ C0] ? __ia32_sys_membarrier+0x40/0x200 [ 34.622217][ C0] ? hif_usb_start+0xa0/0xa0 [ 34.626791][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 34.631714][ C0] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 34.637199][ C0] usb_hcd_giveback_urb+0x367/0x410 [ 34.642394][ C0] dummy_timer+0x11f9/0x32b0 [ 34.646977][ C0] ? dummy_dequeue+0x500/0x500 [ 34.651746][ C0] ? dummy_dequeue+0x500/0x500 [ 34.656502][ C0] call_timer_fn+0x1a5/0x6b0 [ 34.661102][ C0] ? timer_fixup_activate+0x350/0x350 [ 34.666477][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 34.671348][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 34.676561][ C0] ? dummy_dequeue+0x500/0x500 [ 34.681309][ C0] __run_timers.part.0+0x67c/0xa30 [ 34.686415][ C0] ? call_timer_fn+0x6b0/0x6b0 [ 34.691173][ C0] ? lapic_next_event+0x4d/0x80 [ 34.696009][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 34.702239][ C0] ? clockevents_program_event+0x12b/0x370 [ 34.708034][ C0] run_timer_softirq+0xb3/0x1d0 [ 34.712875][ C0] __do_softirq+0x288/0x9a5 [ 34.717368][ C0] __irq_exit_rcu+0x113/0x170 [ 34.722033][ C0] irq_exit_rcu+0x5/0x20 [ 34.726258][ C0] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 34.731883][ C0] </IRQ> [ 34.734808][ C0] <TASK> [ 34.737719][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 34.743682][ C0] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 [ 34.749474][ C0] Code: 89 de e8 bd 82 5a fb 84 db 75 ac e8 d4 7e 5a fb e8 ff bc 60 fb eb 0c e8 c8 7e 5a fb 0f 00 2d 31 1d 81 00 e8 bc 7e 5a fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 37 81 5a fb 48 85 db [ 34.769078][ C0] RSP: 0018:ffffffff87807d60 EFLAGS: 00000293 [ 34.775126][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 34.783078][ C0] RDX: ffffffff878526c0 RSI: ffffffff85e9fa54 RDI: 0000000000000000 [ 34.791028][ C0] RBP: ffff8881094a6864 R08: 0000000000000001 R09: 0000000000000001 [ 34.798978][ C0] R10: ffffffff814ab778 R11: 0000000000000000 R12: 0000000000000001 [ 34.806928][ C0] R13: ffff8881094a6800 R14: ffff8881094a6864 R15: ffff88810c898804 [ 34.814883][ C0] ? trace_hardirqs_on+0x38/0x1c0 [ 34.819894][ C0] ? acpi_idle_do_entry+0x1c4/0x250 [ 34.825080][ C0] acpi_idle_enter+0x361/0x500 [ 34.829829][ C0] cpuidle_enter_state+0x1b1/0xc80 [ 34.834927][ C0] cpuidle_enter+0x4a/0xa0 [ 34.839326][ C0] do_idle+0x3e8/0x590 [ 34.843376][ C0] ? arch_cpu_idle_exit+0x30/0x30 [ 34.848381][ C0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 34.854619][ C0] cpu_startup_entry+0x14/0x20 [ 34.859369][ C0] start_kernel+0x47f/0x4a0 [ 34.863855][ C0] secondary_startup_64_no_verify+0xc3/0xcb [ 34.869732][ C0] </TASK> [ 34.872888][ C0] Kernel Offset: disabled [ 34.877195][ C0] Rebooting in 86400 seconds..