Warning: Permanently added '[localhost]:38104' (ED25519) to the list of known hosts. executing program syzkaller login: [ 476.110933][ T9] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 476.426974][ T9] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x6 has invalid maxpacket 1023, setting to 64 [ 476.431067][ T9] usb 1-1: config 0 interface 0 altsetting 0 has an endpoint descriptor with address 0xBA, changing to 0x8A [ 476.433780][ T9] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x8A has invalid maxpacket 121, setting to 64 [ 476.715874][ T9] usb 1-1: New USB device found, idVendor=2294, idProduct=425b, bcdDevice=a2.10 [ 476.718966][ T9] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 476.720735][ T9] usb 1-1: Product: syz [ 476.722209][ T9] usb 1-1: Manufacturer: syz [ 476.723666][ T9] usb 1-1: SerialNumber: syz [ 476.850879][ T9] usb 1-1: config 0 descriptor?? [ 476.911782][ T3196] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22 [ 476.930464][ T3196] raw-gadget.0 gadget.0: fail, usb_ep_enable returned -22 [ 477.015902][ T9] usb 1-1: ucan: probing device on interface #0 [ 477.660665][ T9] ================================================================== [ 477.663111][ T9] BUG: KASAN: slab-out-of-bounds in sized_strscpy+0x2a2/0x2cc [ 477.667357][ T9] Read of size 1 at addr ffffaf801ba334c0 by task kworker/0:1/9 [ 477.670402][ T9] [ 477.673199][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 477.674953][ T9] Hardware name: riscv-virtio,qemu (DT) [ 477.675954][ T9] Workqueue: usb_hub_wq hub_event [ 477.677009][ T9] Call Trace: [ 477.677461][ T9] [] dump_backtrace+0x2e/0x3c [ 477.678033][ T9] [] show_stack+0x30/0x3c [ 477.678441][ T9] [] dump_stack_lvl+0x12e/0x1a6 [ 477.679050][ T9] [] print_report+0x28e/0x5aa [ 477.679555][ T9] [] kasan_report+0xf0/0x214 [ 477.680077][ T9] [] __asan_report_load1_noabort+0x12/0x1a [ 477.680682][ T9] [] sized_strscpy+0x2a2/0x2cc [ 477.681081][ T9] [] ucan_probe+0x1682/0x178c [ 477.681701][ T9] [] usb_probe_interface+0x2d6/0x8c4 [ 477.682221][ T9] [] really_probe+0x232/0x9be [ 477.682693][ T9] [] __driver_probe_device+0x1d4/0x3f2 [ 477.683164][ T9] [] driver_probe_device+0x60/0x1ce [ 477.683629][ T9] [] __device_attach_driver+0x1e2/0x2fc [ 477.684116][ T9] [] bus_for_each_drv+0x142/0x1da [ 477.684546][ T9] [] __device_attach+0x1c4/0x462 [ 477.684989][ T9] [] device_initial_probe+0x1c/0x26 [ 477.685473][ T9] [] bus_probe_device+0x15c/0x192 [ 477.685946][ T9] [] device_add+0x10da/0x181c [ 477.686568][ T9] [] usb_set_configuration+0xf08/0x19dc [ 477.687088][ T9] [] usb_generic_driver_probe+0xae/0x128 [ 477.687556][ T9] [] usb_probe_device+0xd6/0x360 [ 477.688041][ T9] [] really_probe+0x232/0x9be [ 477.688476][ T9] [] __driver_probe_device+0x1d4/0x3f2 [ 477.688961][ T9] [] driver_probe_device+0x60/0x1ce [ 477.689427][ T9] [] __device_attach_driver+0x1e2/0x2fc [ 477.689939][ T9] [] bus_for_each_drv+0x142/0x1da [ 477.690360][ T9] [] __device_attach+0x1c4/0x462 [ 477.690845][ T9] [] device_initial_probe+0x1c/0x26 [ 477.691308][ T9] [] bus_probe_device+0x15c/0x192 [ 477.691726][ T9] [] device_add+0x10da/0x181c [ 477.692298][ T9] [] usb_new_device+0x964/0x1778 [ 477.692868][ T9] [] hub_event+0x2716/0x48de [ 477.693236][ T9] [] process_one_work+0x96a/0x1f3a [ 477.693833][ T9] [] worker_thread+0x5be/0xdc6 [ 477.694403][ T9] [] kthread+0x37e/0x7b6 [ 477.694901][ T9] [] ret_from_fork+0xe/0x18 [ 477.695755][ T9] [ 477.727668][ T9] Allocated by task 9: [ 477.729323][ T9] stack_trace_save+0xa0/0xd2 [ 477.730729][ T9] kasan_save_stack+0x3e/0x6a [ 477.732107][ T9] kasan_save_track+0x16/0x28 [ 477.733470][ T9] kasan_save_alloc_info+0x30/0x3e [ 477.734813][ T9] __kasan_kmalloc+0xa0/0xa6 [ 477.736081][ T9] __kmalloc_node_track_caller_noprof+0x258/0x5ec [ 477.737474][ T9] devm_kmalloc+0x9a/0x1fe [ 477.738619][ T9] ucan_probe+0x57e/0x178c [ 477.740000][ T9] usb_probe_interface+0x2d6/0x8c4 [ 477.741231][ T9] really_probe+0x232/0x9be [ 477.742484][ T9] __driver_probe_device+0x1d4/0x3f2 [ 477.743691][ T9] driver_probe_device+0x60/0x1ce [ 477.744904][ T9] __device_attach_driver+0x1e2/0x2fc [ 477.746169][ T9] bus_for_each_drv+0x142/0x1da [ 477.747358][ T9] __device_attach+0x1c4/0x462 [ 477.748700][ T9] device_initial_probe+0x1c/0x26 [ 477.749933][ T9] bus_probe_device+0x15c/0x192 [ 477.751133][ T9] device_add+0x10da/0x181c [ 477.752388][ T9] usb_set_configuration+0xf08/0x19dc [ 477.753544][ T9] usb_generic_driver_probe+0xae/0x128 [ 477.754798][ T9] usb_probe_device+0xd6/0x360 [ 477.755966][ T9] really_probe+0x232/0x9be [ 477.757112][ T9] __driver_probe_device+0x1d4/0x3f2 [ 477.758293][ T9] driver_probe_device+0x60/0x1ce [ 477.759500][ T9] __device_attach_driver+0x1e2/0x2fc [ 477.760700][ T9] bus_for_each_drv+0x142/0x1da [ 477.761967][ T9] __device_attach+0x1c4/0x462 [ 477.763180][ T9] device_initial_probe+0x1c/0x26 [ 477.764389][ T9] bus_probe_device+0x15c/0x192 [ 477.765582][ T9] device_add+0x10da/0x181c [ 477.766932][ T9] usb_new_device+0x964/0x1778 [ 477.768240][ T9] hub_event+0x2716/0x48de [ 477.769314][ T9] process_one_work+0x96a/0x1f3a [ 477.770635][ T9] worker_thread+0x5be/0xdc6 [ 477.771912][ T9] kthread+0x37e/0x7b6 [ 477.773127][ T9] ret_from_fork+0xe/0x18 [ 477.774740][ T9] [ 477.775733][ T9] The buggy address belongs to the object at ffffaf801ba33400 [ 477.775733][ T9] which belongs to the cache kmalloc-192 of size 192 [ 477.777629][ T9] The buggy address is located 0 bytes to the right of [ 477.777629][ T9] allocated 192-byte region [ffffaf801ba33400, ffffaf801ba334c0) [ 477.779162][ T9] [ 477.779961][ T9] The buggy address belongs to the physical page: [ 477.781550][ T9] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x9ba33 [ 477.783119][ T9] flags: 0xffe000000000000(node=0|zone=0|lastcpupid=0x7ff) [ 477.785284][ T9] page_type: f5(slab) [ 477.787708][ T9] raw: 0ffe000000000000 ffffaf80114013c0 ffff8d80006dafc0 dead000000000002 [ 477.789102][ T9] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 477.790524][ T9] page dumped because: kasan: bad access detected [ 477.792061][ T9] page_owner tracks the page as allocated [ 477.793227][ T9] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 49582585400, free_ts 0 [ 477.795535][ T9] __set_page_owner+0xa2/0x710 [ 477.796805][ T9] post_alloc_hook+0xea/0x1e2 [ 477.797922][ T9] get_page_from_freelist+0xf78/0x2bd6 [ 477.799109][ T9] __alloc_frozen_pages_noprof+0x1e8/0x20fc [ 477.800259][ T9] alloc_pages_mpol+0x1fa/0x5b8 [ 477.801490][ T9] alloc_frozen_pages_noprof+0x174/0x2f0 [ 477.802957][ T9] new_slab+0x26a/0x340 [ 477.804001][ T9] ___slab_alloc+0xaf4/0x1290 [ 477.805081][ T9] __slab_alloc.constprop.0+0x60/0xb0 [ 477.806224][ T9] __kmalloc_cache_noprof+0xd4/0x3f8 [ 477.807344][ T9] kset_create_and_add+0x56/0x182 [ 477.808465][ T9] bus_register+0x29c/0x63c [ 477.809569][ T9] fw_core_init+0x74/0x24a [ 477.810893][ T9] do_one_initcall+0x1a2/0xae4 [ 477.812155][ T9] kernel_init_freeable+0x6ec/0x792 [ 477.813547][ T9] kernel_init+0x28/0x24c [ 477.815311][ T9] page_owner free stack trace missing [ 477.816654][ T9] [ 477.817409][ T9] Memory state around the buggy address: [ 477.819105][ T9] ffffaf801ba33380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 477.820368][ T9] ffffaf801ba33400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 477.821816][ T9] >ffffaf801ba33480: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 477.823030][ T9] ^ [ 477.824546][ T9] ffffaf801ba33500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 477.825811][ T9] ffffaf801ba33580: 00 00 00 00 00 00 00 06 fc fc fc fc fc fc fc fc [ 477.827126][ T9] ================================================================== [ 477.832570][ T9] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 477.834877][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.14.0-rc1-syzkaller-g245aece3750d #0 [ 477.836456][ T9] Hardware name: riscv-virtio,qemu (DT) [ 477.837569][ T9] Workqueue: usb_hub_wq hub_event [ 477.839117][ T9] Call Trace: [ 477.839974][ T9] [] dump_backtrace+0x2e/0x3c [ 477.841372][ T9] [] show_stack+0x30/0x3c [ 477.842736][ T9] [] dump_stack_lvl+0x110/0x1a6 [ 477.844545][ T9] [] dump_stack+0x1c/0x24 [ 477.846012][ T9] [] panic+0x38c/0x86a [ 477.847264][ T9] [] check_panic_on_warn+0xc0/0xe4 [ 477.848895][ T9] [] end_report.part.0+0x4e/0xae [ 477.850650][ T9] [] kasan_report+0x13a/0x214 [ 477.852083][ T9] [] __asan_report_load1_noabort+0x12/0x1a [ 477.853690][ T9] [] sized_strscpy+0x2a2/0x2cc [ 477.854978][ T9] [] ucan_probe+0x1682/0x178c [ 477.856483][ T9] [] usb_probe_interface+0x2d6/0x8c4 [ 477.857988][ T9] [] really_probe+0x232/0x9be [ 477.859294][ T9] [] __driver_probe_device+0x1d4/0x3f2 [ 477.860665][ T9] [] driver_probe_device+0x60/0x1ce [ 477.862094][ T9] [] __device_attach_driver+0x1e2/0x2fc [ 477.863460][ T9] [] bus_for_each_drv+0x142/0x1da [ 477.864854][ T9] [] __device_attach+0x1c4/0x462 [ 477.866214][ T9] [] device_initial_probe+0x1c/0x26 [ 477.867637][ T9] [] bus_probe_device+0x15c/0x192 [ 477.868951][ T9] [] device_add+0x10da/0x181c [ 477.870427][ T9] [] usb_set_configuration+0xf08/0x19dc [ 477.871919][ T9] [] usb_generic_driver_probe+0xae/0x128 [ 477.873405][ T9] [] usb_probe_device+0xd6/0x360 [ 477.874885][ T9] [] really_probe+0x232/0x9be [ 477.876232][ T9] [] __driver_probe_device+0x1d4/0x3f2 [ 477.877639][ T9] [] driver_probe_device+0x60/0x1ce [ 477.879180][ T9] [] __device_attach_driver+0x1e2/0x2fc [ 477.880619][ T9] [] bus_for_each_drv+0x142/0x1da [ 477.881943][ T9] [] __device_attach+0x1c4/0x462 [ 477.883299][ T9] [] device_initial_probe+0x1c/0x26 [ 477.884644][ T9] [] bus_probe_device+0x15c/0x192 [ 477.886019][ T9] [] device_add+0x10da/0x181c [ 477.887548][ T9] [] usb_new_device+0x964/0x1778 [ 477.889039][ T9] [] hub_event+0x2716/0x48de [ 477.890300][ T9] [] process_one_work+0x96a/0x1f3a [ 477.891815][ T9] [] worker_thread+0x5be/0xdc6 [ 477.893252][ T9] [] kthread+0x37e/0x7b6 [ 477.894621][ T9] [] ret_from_fork+0xe/0x18 [ 477.896573][ T9] SMP: stopping secondary CPUs [ 477.900348][ T9] Rebooting in 86400 seconds.. VM DIAGNOSIS: 16:07:48 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff81db0cc4 mhartid 0000000000000000 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000020 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff80073dda sepc ffffffff86266352 vsepc 0000000000000000 mcause 8000000000000003 scause 8000000000000001 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 000000008004a000 sscratch 0000000000000000 satp 9014f000000936fc x0/zero 0000000000000000 x1/ra ffffffff81db0ca4 x2/sp ffff8f80000a5e80 x3/gp ffffffff89c1d3c0 x4/tp ffffaf8012ac0000 x5/t0 20666f2064616552 x6/t1 fffff1ef00014bd4 x7/t2 7320666f20646165 x8/s0 ffff8f80000a5eb0 x9/s1 ffffffff90fb9d80 x10/a0 ffff8f800006d005 x11/a1 000000000000001f x12/a2 0000000000000002 x13/a3 ffffffff81db0ca4 x14/a4 1ffffffff21f73b9 x15/a5 0000000000000000 x16/a6 0000000000000003 x17/a7 0000000000000003 x18/s2 0000000000000005 x19/s3 0000000000000000 x20/s4 0000000000000000 x21/s5 fffffffef21f740a x22/s6 fffffffef21f740a x23/s7 0000000000000003 x24/s8 fffffffef21f73ba x25/s9 ffffffff90fba052 x26/s10 ffffffff90fba050 x27/s11 ffffffff90fb9dd0 x28/t3 ffffffff802cb7e4 x29/t4 fffff1ef00014bd4 x30/t5 fffff1ef00014bd5 x31/t6 ffffffff90dda2b7 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff80067178 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000444 medeleg 0000000000f0b509 hedeleg 000000000000b109 mtvec 00000000800004f0 stvec ffffffff86268630 vstvec 0000000000000000 mepc ffffffff80088636 sepc ffffffff80203200 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080048000 sscratch 0000000000000000 satp 9014f000000936fc x0/zero 0000000000000000 x1/ra ffffffff80067170 x2/sp ffff8f8000167d30 x3/gp ffffffff89c1d3c0 x4/tp ffffaf80132b0000 x5/t0 4b952e4da9267483 x6/t1 fffff5ef0ddb095a x7/t2 0000000000000005 x8/s0 ffff8f8000167d40 x9/s1 ffffffff8026f5bc x10/a0 0000000000000001 x11/a1 ffffffff86842140 x12/a2 0000000000000002 x13/a3 ffffffff80067170 x14/a4 0000000000000000 x15/a5 ffffaf80132b1000 x16/a6 fffff5ef0ddb095b x17/a7 ffffaf806ed84ad3 x18/s2 0000000000000000 x19/s3 ffffffff90fcb3a8 x20/s4 fffffffef13a4928 x21/s5 0000000000000007 x22/s6 0000000000000001 x23/s7 ffffffff89d258c0 x24/s8 0000000000000000 x25/s9 0000000000000000 x26/s10 ffff8f8000167e20 x27/s11 1ffff1f00002cfb8 x28/t3 ffffaf80132b0b30 x29/t4 fffff5ef0ddb095a x30/t5 fffff5ef0ddb095b x31/t6 0000000000000009 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000