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 [ 11.319085][ T1236] ssh-keygen (1236) used greatest stack depth: 23408 bytes left Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 27.756928][ T1144] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 27.996939][ T1144] usb 1-1: Using ep0 maxpacket: 16 [ 28.117045][ T1144] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 1024 [ 28.287038][ T1144] usb 1-1: New USB device found, idVendor=1435, idProduct=0826, bcdDevice=1c.50 [ 28.296101][ T1144] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 28.304131][ T1144] usb 1-1: Product: syz [ 28.308319][ T1144] usb 1-1: Manufacturer: syz [ 28.312899][ T1144] usb 1-1: SerialNumber: syz [ 28.321371][ T1144] usb 1-1: config 0 descriptor?? [ 28.337579][ T1286] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22 [ 28.376948][ C1] usb 1-1: RX USB error -71. [ 28.396949][ C1] usb 1-1: RX USB error -71. [ 28.416929][ C1] usb 1-1: RX USB error -71. [ 28.436922][ C1] usb 1-1: RX USB error -71. [ 28.456928][ C1] usb 1-1: RX USB error -71. [ 28.476937][ C1] usb 1-1: RX USB error -71. [ 28.496934][ C1] usb 1-1: RX USB error -71. [ 28.516934][ C1] usb 1-1: RX USB error -71. [ 28.536903][ C1] usb 1-1: RX USB error -71. [ 28.556919][ C1] usb 1-1: RX USB error -71. [ 28.576905][ C1] usb 1-1: RX USB error -71. [ 28.596894][ C1] usb 1-1: RX USB error -71. [ 28.616899][ C1] usb 1-1: RX USB error -71. [ 28.636919][ C1] usb 1-1: RX USB error -71. [ 28.656908][ C1] usb 1-1: RX USB error -71. [ 28.676903][ C1] usb 1-1: RX USB error -71. [ 28.696918][ C1] usb 1-1: RX USB error -71. [ 28.716901][ C1] usb 1-1: RX USB error -71. [ 28.736918][ C1] usb 1-1: RX USB error -71. [ 28.756907][ C1] usb 1-1: RX USB error -71. [ 28.776925][ C1] usb 1-1: RX USB error -71. [ 28.796929][ C1] usb 1-1: RX USB error -71. [ 28.816901][ C1] usb 1-1: RX USB error -71. [ 28.836914][ C1] usb 1-1: RX USB error -71. [ 28.856912][ C1] usb 1-1: RX USB error -71. [ 28.876901][ C1] usb 1-1: RX USB error -71. [ 28.896908][ C1] usb 1-1: RX USB error -71. [ 28.916902][ C1] usb 1-1: RX USB error -71. [ 28.936911][ C1] usb 1-1: RX USB error -71. [ 28.956931][ C1] usb 1-1: RX USB error -71. [ 28.976925][ C1] usb 1-1: RX USB error -71. [ 28.996899][ C1] usb 1-1: RX USB error -71. [ 29.016901][ C1] usb 1-1: RX USB error -71. [ 29.036902][ C1] usb 1-1: RX USB error -71. [ 29.056898][ C1] usb 1-1: RX USB error -71. [ 29.076917][ C1] usb 1-1: RX USB error -71. [ 29.096902][ C1] usb 1-1: RX USB error -71. [ 29.116929][ C1] usb 1-1: RX USB error -71. [ 29.136902][ C1] usb 1-1: RX USB error -71. [ 29.156895][ C1] usb 1-1: RX USB error -71. [ 29.176904][ C1] usb 1-1: RX USB error -71. [ 29.196907][ C1] usb 1-1: RX USB error -71. [ 29.216899][ C1] usb 1-1: RX USB error -71. [ 29.236909][ C1] usb 1-1: RX USB error -71. [ 29.256921][ C1] usb 1-1: RX USB error -71. [ 29.276921][ C1] usb 1-1: RX USB error -71. [ 29.296898][ C1] usb 1-1: RX USB error -71. [ 29.316899][ C1] usb 1-1: RX USB error -71. [ 29.336902][ C1] usb 1-1: RX USB error -71. [ 29.356936][ C1] usb 1-1: RX USB error -71. [ 29.376925][ C1] usb 1-1: RX USB error -71. [ 29.396914][ C1] usb 1-1: RX USB error -71. [ 29.416906][ C1] usb 1-1: RX USB error -71. [ 29.436920][ C1] usb 1-1: RX USB error -71. [ 29.456912][ C1] usb 1-1: RX USB error -71. [ 29.476930][ C1] usb 1-1: RX USB error -71. [ 29.496907][ C1] usb 1-1: RX USB error -71. [ 29.516895][ C1] usb 1-1: RX USB error -71. [ 29.536903][ C1] usb 1-1: RX USB error -71. [ 29.556897][ C1] usb 1-1: RX USB error -71. [ 29.576925][ C1] usb 1-1: RX USB error -71. [ 29.596926][ C1] usb 1-1: RX USB error -71. [ 29.616888][ C1] usb 1-1: RX USB error -71. [ 29.636927][ C1] usb 1-1: RX USB error -71. [ 29.656903][ C1] usb 1-1: RX USB error -71. [ 29.676903][ C1] usb 1-1: RX USB error -71. [ 29.696915][ C1] usb 1-1: RX USB error -71. [ 29.716921][ C1] usb 1-1: RX USB error -71. [ 29.736916][ C1] usb 1-1: RX USB error -71. [ 29.756903][ C1] usb 1-1: RX USB error -71. [ 29.776917][ C1] usb 1-1: RX USB error -71. [ 29.796904][ C1] usb 1-1: RX USB error -71. [ 29.816917][ C1] usb 1-1: RX USB error -71. [ 29.836922][ C1] usb 1-1: RX USB error -71. [ 29.856902][ C1] usb 1-1: RX USB error -71. [ 29.876915][ C1] usb 1-1: RX USB error -71. [ 29.896919][ C1] usb 1-1: RX USB error -71. [ 29.916901][ C1] usb 1-1: RX USB error -71. [ 29.936922][ C1] usb 1-1: RX USB error -71. [ 29.956908][ C1] usb 1-1: RX USB error -71. [ 29.976899][ C1] usb 1-1: RX USB error -71. [ 29.996921][ C1] usb 1-1: RX USB error -71. [ 30.016908][ C1] usb 1-1: RX USB error -71. [ 30.036905][ C1] usb 1-1: RX USB error -71. [ 30.056918][ C1] usb 1-1: RX USB error -71. [ 30.076901][ C1] usb 1-1: RX USB error -71. [ 30.096920][ C1] usb 1-1: RX USB error -71. [ 30.116910][ C1] usb 1-1: RX USB error -71. [ 30.136919][ C1] usb 1-1: RX USB error -71. [ 30.156895][ C1] usb 1-1: RX USB error -71. [ 30.176924][ C1] usb 1-1: RX USB error -71. [ 30.196898][ C1] usb 1-1: RX USB error -71. [ 30.216915][ C1] usb 1-1: RX USB error -71. [ 30.236908][ C1] usb 1-1: RX USB error -71. [ 30.256897][ C1] usb 1-1: RX USB error -71. [ 30.276882][ C1] usb 1-1: RX USB error -71. [ 30.296884][ C1] usb 1-1: RX USB error -71. [ 30.316904][ C1] usb 1-1: RX USB error -71. [ 30.336925][ C1] usb 1-1: RX USB error -71. [ 30.356926][ C1] usb 1-1: RX USB error -71. [ 30.376915][ C1] usb 1-1: RX USB error -71. [ 30.396921][ C1] usb 1-1: RX USB error -71. [ 30.416883][ C1] usb 1-1: RX USB error -71. [ 30.436893][ C1] usb 1-1: RX USB error -71. [ 30.441572][ T1144] usb 1-1: timeout waiting for command 01 reply [ 30.447906][ T1144] usb 1-1: could not initialize adapter [ 30.456929][ C1] usb 1-1: RX USB error -2. [ 30.461562][ C1] usb 1-1: error -1 when submitting rx urb [ 30.468414][ T1144] ar5523: probe of 1-1:0.0 failed with error -110 executing program [ 32.489008][ T71] usb 1-1: USB disconnect, device number 2 [ 32.496903][ C1] ================================================================== [ 32.504984][ C1] BUG: KASAN: use-after-free in ar5523_cmd_tx_cb+0x220/0x240 [ 32.512405][ C1] Read of size 8 at addr ffff88811c3db3f0 by task udevd/1289 [ 32.519818][ C1] [ 32.522131][ C1] CPU: 1 PID: 1289 Comm: udevd Not tainted 5.19.0-rc7-syzkaller-00142-g88a15fbb47db #0 [ 32.531740][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 32.541779][ C1] Call Trace: [ 32.545042][ C1] [ 32.547963][ C1] dump_stack_lvl+0xcd/0x134 [ 32.552542][ C1] print_address_description.constprop.0.cold+0xeb/0x495 [ 32.559553][ C1] ? ar5523_cmd_tx_cb+0x220/0x240 [ 32.564566][ C1] kasan_report.cold+0xf4/0x1c6 [ 32.569402][ C1] ? ar5523_cmd_tx_cb+0x220/0x240 [ 32.574411][ C1] ar5523_cmd_tx_cb+0x220/0x240 [ 32.579248][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 32.584623][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 32.589815][ C1] dummy_timer+0x11f9/0x32b0 [ 32.594396][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 32.600366][ C1] ? dummy_dequeue+0x500/0x500 [ 32.605133][ C1] ? dummy_dequeue+0x500/0x500 [ 32.609882][ C1] call_timer_fn+0x1a5/0x6b0 [ 32.614460][ C1] ? timer_fixup_activate+0x350/0x350 [ 32.619817][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 32.624656][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 32.629844][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 32.635028][ C1] ? dummy_dequeue+0x500/0x500 [ 32.639783][ C1] __run_timers.part.0+0x679/0xa80 [ 32.644884][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 32.649633][ C1] ? lapic_next_event+0x4d/0x80 [ 32.654469][ C1] ? clockevents_program_event+0x12b/0x370 [ 32.660261][ C1] run_timer_softirq+0xb3/0x1d0 [ 32.665098][ C1] __do_softirq+0x288/0x9a5 [ 32.669586][ C1] __irq_exit_rcu+0x113/0x170 [ 32.674245][ C1] irq_exit_rcu+0x5/0x20 [ 32.678472][ C1] sysvec_apic_timer_interrupt+0x40/0xc0 [ 32.684087][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 32.690050][ C1] RIP: 0033:0x7f3ee98b1815 [ 32.694448][ C1] Code: 89 44 24 10 49 89 54 24 18 48 81 fb ff 03 00 00 0f 87 2f 01 00 00 4c 89 65 70 4c 89 60 18 48 89 d8 48 83 c8 01 49 89 44 24 08 <49> 89 1c 1c 48 81 fb ff ff 00 00 0f 87 e2 01 00 00 8b 44 24 1c 85 [ 32.714040][ C1] RSP: 002b:00007ffe56559490 EFLAGS: 00010206 [ 32.720091][ C1] RAX: 00000000000010b1 RBX: 00000000000010b0 RCX: 00000000000000a1 [ 32.728045][ C1] RDX: 00007f3ee99e6a60 RSI: 0000000000000000 RDI: 000055da6dd021c0 [ 32.735999][ C1] RBP: 00007f3ee99e6a00 R08: 0000000000000007 R09: 000055da6dcf45f0 [ 32.743951][ C1] R10: 00007ffe56559500 R11: 00007ffe56559500 R12: 000055da6dd011b0 [ 32.751908][ C1] R13: 000055da6dd021c0 R14: 00000000000000a0 R15: 000055da6dcd0910 [ 32.759954][ C1] [ 32.762956][ C1] [ 32.765261][ C1] The buggy address belongs to the physical page: [ 32.771647][ C1] page:ffffea000470f6c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11c3db [ 32.781865][ C1] flags: 0x200000000000000(node=0|zone=2) [ 32.787571][ C1] raw: 0200000000000000 0000000000000000 ffffea000470f6c8 0000000000000000 [ 32.796135][ C1] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 32.804696][ C1] page dumped because: kasan: bad access detected [ 32.811086][ C1] page_owner tracks the page as freed [ 32.816431][ C1] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), pid 1144, tgid 1144 (kworker/1:2), ts 28358197528, free_ts 30468384276 [ 32.834223][ C1] get_page_from_freelist+0x138c/0x27a0 [ 32.839763][ C1] __alloc_pages+0x1c7/0x510 [ 32.844340][ C1] alloc_pages+0x1aa/0x310 [ 32.848741][ C1] kmalloc_order+0x34/0xf0 [ 32.853137][ C1] kmalloc_order_trace+0x14/0x120 [ 32.858142][ C1] wiphy_new_nm+0x6f0/0x2080 [ 32.862717][ C1] ieee80211_alloc_hw_nm+0x373/0x2270 [ 32.868085][ C1] ar5523_probe+0x121/0x1da0 [ 32.872657][ C1] usb_probe_interface+0x315/0x7f0 [ 32.877751][ C1] really_probe+0x23e/0xb90 [ 32.882237][ C1] __driver_probe_device+0x338/0x4d0 [ 32.887503][ C1] driver_probe_device+0x4c/0x1a0 [ 32.892509][ C1] __device_attach_driver+0x20b/0x2f0 [ 32.897863][ C1] bus_for_each_drv+0x15f/0x1e0 [ 32.902695][ C1] __device_attach+0x1e4/0x530 [ 32.907439][ C1] bus_probe_device+0x1e4/0x290 [ 32.912273][ C1] page last free stack trace: [ 32.916924][ C1] free_pcp_prepare+0x537/0xb80 [ 32.921757][ C1] free_unref_page+0x19/0x5a0 [ 32.926419][ C1] device_release+0x9f/0x240 [ 32.931008][ C1] kobject_put+0x1c8/0x540 [ 32.935421][ C1] put_device+0x1b/0x30 [ 32.939561][ C1] ar5523_probe+0x1338/0x1da0 [ 32.944218][ C1] usb_probe_interface+0x315/0x7f0 [ 32.946969][ T71] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 32.949307][ C1] really_probe+0x23e/0xb90 [ 32.956794][ T71] dummy_hcd dummy_hcd.0: usb_device address has changed! [ 32.961225][ C1] __driver_probe_device+0x338/0x4d0 [ 32.973615][ C1] driver_probe_device+0x4c/0x1a0 [ 32.978660][ C1] __device_attach_driver+0x20b/0x2f0 [ 32.984046][ C1] bus_for_each_drv+0x15f/0x1e0 [ 32.988884][ C1] __device_attach+0x1e4/0x530 [ 32.993631][ C1] bus_probe_device+0x1e4/0x290 [ 32.998463][ C1] device_add+0xbda/0x1ea0 [ 33.002865][ C1] usb_set_configuration+0x101e/0x1900 [ 33.008311][ C1] [ 33.010617][ C1] Memory state around the buggy address: [ 33.016234][ C1] ffff88811c3db280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.024275][ C1] ffff88811c3db300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.032318][ C1] >ffff88811c3db380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.040358][ C1] ^ [ 33.048065][ C1] ffff88811c3db400: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.056114][ C1] ffff88811c3db480: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.064162][ C1] ================================================================== [ 33.072206][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 33.078773][ C1] CPU: 1 PID: 1289 Comm: udevd Not tainted 5.19.0-rc7-syzkaller-00142-g88a15fbb47db #0 [ 33.088403][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 33.098440][ C1] Call Trace: [ 33.101705][ C1] [ 33.104620][ C1] dump_stack_lvl+0xcd/0x134 [ 33.109199][ C1] panic+0x2d7/0x636 [ 33.113081][ C1] ? panic_print_sys_info.part.0+0x10b/0x10b [ 33.119050][ C1] ? ar5523_cmd_tx_cb+0x220/0x240 [ 33.124061][ C1] end_report.part.0+0x3f/0x7c [ 33.128817][ C1] kasan_report.cold+0x93/0x1c6 [ 33.133651][ C1] ? ar5523_cmd_tx_cb+0x220/0x240 [ 33.138688][ C1] ar5523_cmd_tx_cb+0x220/0x240 [ 33.143524][ C1] __usb_hcd_giveback_urb+0x2b0/0x5c0 [ 33.148885][ C1] usb_hcd_giveback_urb+0x367/0x410 [ 33.154079][ C1] dummy_timer+0x11f9/0x32b0 [ 33.158656][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 33.164623][ C1] ? dummy_dequeue+0x500/0x500 [ 33.169373][ C1] ? dummy_dequeue+0x500/0x500 [ 33.174130][ C1] call_timer_fn+0x1a5/0x6b0 [ 33.178720][ C1] ? timer_fixup_activate+0x350/0x350 [ 33.184077][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 33.188911][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 33.194097][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 33.199285][ C1] ? dummy_dequeue+0x500/0x500 [ 33.204033][ C1] __run_timers.part.0+0x679/0xa80 [ 33.209147][ C1] ? call_timer_fn+0x6b0/0x6b0 [ 33.213897][ C1] ? lapic_next_event+0x4d/0x80 [ 33.218736][ C1] ? clockevents_program_event+0x12b/0x370 [ 33.224531][ C1] run_timer_softirq+0xb3/0x1d0 [ 33.229384][ C1] __do_softirq+0x288/0x9a5 [ 33.233872][ C1] __irq_exit_rcu+0x113/0x170 [ 33.238533][ C1] irq_exit_rcu+0x5/0x20 [ 33.242775][ C1] sysvec_apic_timer_interrupt+0x40/0xc0 [ 33.248490][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 33.254457][ C1] RIP: 0033:0x7f3ee98b1815 [ 33.258857][ C1] Code: 89 44 24 10 49 89 54 24 18 48 81 fb ff 03 00 00 0f 87 2f 01 00 00 4c 89 65 70 4c 89 60 18 48 89 d8 48 83 c8 01 49 89 44 24 08 <49> 89 1c 1c 48 81 fb ff ff 00 00 0f 87 e2 01 00 00 8b 44 24 1c 85 [ 33.278476][ C1] RSP: 002b:00007ffe56559490 EFLAGS: 00010206 [ 33.284542][ C1] RAX: 00000000000010b1 RBX: 00000000000010b0 RCX: 00000000000000a1 [ 33.292502][ C1] RDX: 00007f3ee99e6a60 RSI: 0000000000000000 RDI: 000055da6dd021c0 [ 33.300463][ C1] RBP: 00007f3ee99e6a00 R08: 0000000000000007 R09: 000055da6dcf45f0 [ 33.308427][ C1] R10: 00007ffe56559500 R11: 00007ffe56559500 R12: 000055da6dd011b0 [ 33.316486][ C1] R13: 000055da6dd021c0 R14: 00000000000000a0 R15: 000055da6dcd0910 [ 33.324538][ C1] [ 33.327762][ C1] Kernel Offset: disabled [ 33.332085][ C1] Rebooting in 86400 seconds..