dhcpcd-9.4.0 starting dev: loaded udev DUID 00:04:60:53:42:71:88:b7:f6:77:35:a2:41:23:0b:7b:f3:52 forked to background, child pid 1217 Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 26.067717][ T24] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 26.587817][ T24] usb 1-1: New USB device found, idVendor=0cf3, idProduct=9271, bcdDevice= 1.08 [ 26.596936][ T24] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 26.604995][ T24] usb 1-1: Product: syz [ 26.609217][ T24] usb 1-1: Manufacturer: syz [ 26.613799][ T24] usb 1-1: SerialNumber: syz [ 26.658744][ T24] usb 1-1: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw requested [ 27.247766][ T24] usb 1-1: ath9k_htc: Transferred FW: ath9k_htc/htc_9271-1.4.0.fw, size: 51008 [ 28.287744][ T24] ath9k_htc 1-1:1.0: ath9k_htc: Target is unresponsive [ 28.294858][ T24] ath9k_htc: Failed to initialize the device [ 28.457660][ C1] ================================================================== [ 28.465741][ C1] BUG: KASAN: slab-out-of-bounds in ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 28.473843][ C1] Read of size 4 at addr ffff88811e6cc2e8 by task swapper/1/0 [ 28.481295][ C1] [ 28.483606][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc4-syzkaller-00099-g90557fa89d3e #0 [ 28.493311][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 28.503363][ C1] Call Trace: [ 28.506634][ C1] <IRQ> [ 28.509464][ C1] dump_stack_lvl+0xcd/0x134 [ 28.514058][ C1] print_address_description.constprop.0.cold+0xeb/0x495 [ 28.521085][ C1] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 28.526535][ C1] kasan_report.cold+0xf4/0x1c6 [ 28.531457][ C1] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 28.536822][ C1] ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 28.542117][ C1] ? partition_sched_domains_locked+0x440/0x880 [ 28.548375][ C1] ? hif_usb_start+0xa0/0xa0 [ 28.552961][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 28.557937][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 28.563364][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 28.568560][ C1] dummy_timer+0x11f9/0x32b0 [ 28.573160][ C1] ? dummy_dequeue+0x500/0x500 [ 28.578028][ C1] ? dummy_dequeue+0x500/0x500 [ 28.582800][ C1] call_timer_fn+0x1a5/0x6b0 [ 28.587389][ C1] ? timer_fixup_activate+0x350/0x350 [ 28.592756][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 28.597646][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 28.602831][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 28.608021][ C1] ? dummy_dequeue+0x500/0x500 [ 28.612774][ C1] __run_timers.part.0+0x679/0xa80 [ 28.617881][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 28.622631][ C1] ? lapic_next_event+0x4d/0x80 [ 28.627473][ C1] ? clockevents_program_event+0x12b/0x370 [ 28.633283][ C1] run_timer_softirq+0xb3/0x1d0 [ 28.638121][ C1] __do_softirq+0x288/0x9a5 [ 28.642608][ C1] __irq_exit_rcu+0x113/0x170 [ 28.647267][ C1] irq_exit_rcu+0x5/0x20 [ 28.651494][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 28.657112][ C1] </IRQ> [ 28.660024][ C1] <TASK> [ 28.662937][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 28.668902][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x240 [ 28.674693][ C1] Code: 89 de e8 aa 1f 55 fb 84 db 75 98 e8 a1 23 55 fb e8 8c 67 5b fb 66 90 e8 95 23 55 fb 0f 00 2d de d6 7b 00 e8 89 23 55 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 d4 1f 55 fb 48 85 db [ 28.694334][ C1] RSP: 0018:ffffc9000010fd20 EFLAGS: 00000293 [ 28.700388][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 28.708364][ C1] RDX: ffff8881002cd580 RSI: ffffffff85efefa7 RDI: 0000000000000000 [ 28.716324][ C1] RBP: ffff88810967a064 R08: 0000000000000001 R09: 0000000000000001 [ 28.724288][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 28.732254][ C1] R13: ffff88810967a000 R14: ffff88810967a064 R15: ffff88810b1cd804 [ 28.740214][ C1] ? acpi_idle_do_entry+0x1c7/0x240 [ 28.745413][ C1] acpi_idle_enter+0x369/0x510 [ 28.750173][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 28.755271][ C1] cpuidle_enter+0x4a/0xa0 [ 28.759673][ C1] do_idle+0x3e8/0x590 [ 28.763730][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 28.768742][ C1] cpu_startup_entry+0x14/0x20 [ 28.773579][ C1] start_secondary+0x21d/0x2b0 [ 28.778333][ C1] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 28.784044][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 28.789923][ C1] </TASK> [ 28.792925][ C1] [ 28.795248][ C1] Allocated by task 0: [ 28.799295][ C1] (stack is not available) [ 28.803683][ C1] [ 28.806002][ C1] The buggy address belongs to the object at ffff88811e6cc000 [ 28.806002][ C1] which belongs to the cache kmalloc-cg-4k of size 4096 [ 28.820381][ C1] The buggy address is located 744 bytes inside of [ 28.820381][ C1] 4096-byte region [ffff88811e6cc000, ffff88811e6cd000) [ 28.833721][ C1] [ 28.836031][ C1] The buggy address belongs to the physical page: [ 28.842429][ C1] page:ffffea000479b200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11e6c8 [ 28.852661][ C1] head:ffffea000479b200 order:3 compound_mapcount:0 compound_pincount:0 [ 28.860966][ C1] flags: 0x200000000010200(slab|head|node=0|zone=2) [ 28.867543][ C1] raw: 0200000000010200 0000000000000000 dead000000000122 ffff88810004c280 [ 28.876107][ C1] raw: 0000000000000000 0000000080040004 00000001ffffffff 0000000000000000 [ 28.884665][ C1] page dumped because: kasan: bad access detected [ 28.891053][ C1] page_owner tracks the page as allocated [ 28.896747][ C1] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1282, tgid 1282 (udevd), ts 28369549787, free_ts 28294822366 [ 28.917475][ C1] get_page_from_freelist+0x138c/0x27a0 [ 28.923021][ C1] __alloc_pages+0x1c7/0x510 [ 28.927615][ C1] alloc_pages+0x1aa/0x310 [ 28.932014][ C1] allocate_slab+0x26c/0x3c0 [ 28.936592][ C1] ___slab_alloc+0x98f/0xda0 [ 28.941426][ C1] __slab_alloc.constprop.0+0x4d/0xa0 [ 28.946790][ C1] __kmalloc_node+0x12a/0x360 [ 28.951448][ C1] kvmalloc_node+0x3e/0x190 [ 28.955930][ C1] seq_read_iter+0x7f7/0x1280 [ 28.960589][ C1] kernfs_fop_read_iter+0x506/0x6e0 [ 28.965772][ C1] new_sync_read+0x384/0x5f0 [ 28.970344][ C1] vfs_read+0x492/0x5d0 [ 28.974482][ C1] ksys_read+0x127/0x250 [ 28.978709][ C1] do_syscall_64+0x35/0xb0 [ 28.983192][ C1] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 28.989087][ C1] page last free stack trace: [ 28.993763][ C1] free_pcp_prepare+0x537/0xb80 [ 28.998606][ C1] free_unref_page+0x19/0x5a0 [ 29.003267][ C1] device_release+0x9f/0x240 [ 29.007839][ C1] kobject_put+0x1c8/0x540 [ 29.012235][ C1] put_device+0x1b/0x30 [ 29.016378][ C1] ath9k_htc_probe_device+0x1c7/0x1f00 [ 29.021833][ C1] ath9k_htc_hw_init+0x31/0x60 [ 29.026596][ C1] ath9k_hif_usb_firmware_cb+0x274/0x530 [ 29.032221][ C1] request_firmware_work_func+0x12c/0x230 [ 29.037932][ C1] process_one_work+0x996/0x1610 [ 29.042857][ C1] worker_thread+0x665/0x1080 [ 29.047520][ C1] kthread+0x2ef/0x3a0 [ 29.051578][ C1] ret_from_fork+0x1f/0x30 [ 29.055984][ C1] [ 29.058306][ C1] Memory state around the buggy address: [ 29.063928][ C1] ffff88811e6cc180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.071972][ C1] ffff88811e6cc200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.080012][ C1] >ffff88811e6cc280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.088058][ C1] ^ [ 29.095491][ C1] ffff88811e6cc300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.103532][ C1] ffff88811e6cc380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.111567][ C1] ================================================================== [ 29.119635][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 29.126198][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc4-syzkaller-00099-g90557fa89d3e #0 [ 29.135892][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 29.145928][ C1] Call Trace: [ 29.149191][ C1] <IRQ> [ 29.152020][ C1] dump_stack_lvl+0xcd/0x134 [ 29.156603][ C1] panic+0x2d7/0x636 [ 29.160484][ C1] ? panic_print_sys_info.part.0+0x10b/0x10b [ 29.166450][ C1] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 29.171806][ C1] end_report.part.0+0x3f/0x7c [ 29.176567][ C1] kasan_report.cold+0x93/0x1c6 [ 29.181400][ C1] ? ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 29.186778][ C1] ath9k_hif_usb_rx_cb+0xea7/0x10d0 [ 29.191968][ C1] ? partition_sched_domains_locked+0x440/0x880 [ 29.198195][ C1] ? hif_usb_start+0xa0/0xa0 [ 29.202802][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 29.207736][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 29.213094][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 29.218276][ C1] dummy_timer+0x11f9/0x32b0 [ 29.222855][ C1] ? dummy_dequeue+0x500/0x500 [ 29.227603][ C1] ? dummy_dequeue+0x500/0x500 [ 29.232349][ C1] call_timer_fn+0x1a5/0x6b0 [ 29.236925][ C1] ? timer_fixup_activate+0x350/0x350 [ 29.242279][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 29.247111][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 29.252295][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 29.257480][ C1] ? dummy_dequeue+0x500/0x500 [ 29.262244][ C1] __run_timers.part.0+0x679/0xa80 [ 29.267351][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 29.272101][ C1] ? lapic_next_event+0x4d/0x80 [ 29.276951][ C1] ? clockevents_program_event+0x12b/0x370 [ 29.282752][ C1] run_timer_softirq+0xb3/0x1d0 [ 29.287590][ C1] __do_softirq+0x288/0x9a5 [ 29.292079][ C1] __irq_exit_rcu+0x113/0x170 [ 29.296749][ C1] irq_exit_rcu+0x5/0x20 [ 29.300976][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0 [ 29.306603][ C1] </IRQ> [ 29.309517][ C1] <TASK> [ 29.312436][ C1] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 29.318409][ C1] RIP: 0010:acpi_idle_do_entry+0x1c9/0x240 [ 29.324247][ C1] Code: 89 de e8 aa 1f 55 fb 84 db 75 98 e8 a1 23 55 fb e8 8c 67 5b fb 66 90 e8 95 23 55 fb 0f 00 2d de d6 7b 00 e8 89 23 55 fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 d4 1f 55 fb 48 85 db [ 29.343841][ C1] RSP: 0018:ffffc9000010fd20 EFLAGS: 00000293 [ 29.349891][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 29.357843][ C1] RDX: ffff8881002cd580 RSI: ffffffff85efefa7 RDI: 0000000000000000 [ 29.365800][ C1] RBP: ffff88810967a064 R08: 0000000000000001 R09: 0000000000000001 [ 29.373752][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 29.381730][ C1] R13: ffff88810967a000 R14: ffff88810967a064 R15: ffff88810b1cd804 [ 29.389691][ C1] ? acpi_idle_do_entry+0x1c7/0x240 [ 29.394887][ C1] acpi_idle_enter+0x369/0x510 [ 29.399643][ C1] cpuidle_enter_state+0x1b1/0xc80 [ 29.404744][ C1] cpuidle_enter+0x4a/0xa0 [ 29.409149][ C1] do_idle+0x3e8/0x590 [ 29.413210][ C1] ? arch_cpu_idle_exit+0x30/0x30 [ 29.418233][ C1] cpu_startup_entry+0x14/0x20 [ 29.422990][ C1] start_secondary+0x21d/0x2b0 [ 29.427751][ C1] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 29.433197][ C1] secondary_startup_64_no_verify+0xce/0xdb [ 29.439079][ C1] </TASK> [ 29.442328][ C1] Kernel Offset: disabled [ 29.446643][ C1] Rebooting in 86400 seconds..