Hello, syzbot found the following issue on: HEAD commit: 568035b01cfb Linux 6.0-rc1 git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=15271a0d080000 kernel config: https://syzkaller.appspot.com/x/.config?x=3cb39b084894e9a5 dashboard link: https://syzkaller.appspot.com/bug?extid=2c35c4d66094ddfe198e compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2c35c4d66094ddfe198e@xxxxxxxxxxxxxxxxxxxxxxxxx scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 sd 0:0:1:0: Attached scsi generic sg0 type 0 Rounding down aligned max_sectors from 4294967295 to 4294967288 db_root: cannot open: /etc/target CAN device driver interface usbcore: registered new interface driver usb_8dev usbcore: registered new interface driver ems_usb usbcore: registered new interface driver gs_usb usbcore: registered new interface driver kvaser_usb usbcore: registered new interface driver mcba_usb usbcore: registered new interface driver peak_usb e100: Intel(R) PRO/100 Network Driver e100: Copyright(c) 1999-2006 Intel Corporation e1000: Intel(R) PRO/1000 Network Driver e1000: Copyright (c) 1999-2006 Intel Corporation. e1000e: Intel(R) PRO/1000 Network Driver e1000e: Copyright(c) 1999 - 2015 Intel Corporation. sky2: driver version 1.30 usbcore: registered new interface driver ath9k_htc usbcore: registered new interface driver carl9170 usbcore: registered new interface driver ath6kl_usb usbcore: registered new interface driver ar5523 usbcore: registered new interface driver ath10k_usb Atmel at76x USB Wireless LAN Driver 0.17 loading usbcore: registered new interface driver at76c50x-usb usbcore: registered new interface driver brcmfmac usbcore: registered new interface driver orinoco_usb usbcore: registered new interface driver p54usb usbcore: registered new interface driver usb8xxx usbcore: registered new interface driver lbtf_usb usbcore: registered new interface driver mwifiex_usb usbcore: registered new interface driver mt7601u usbcore: registered new interface driver rt2500usb usbcore: registered new interface driver rt73usb usbcore: registered new interface driver rt2800usb usbcore: registered new interface driver rtl8187 usbcore: registered new interface driver rtl8192cu usbcore: registered new interface driver rtl8xxxu usbcore: registered new interface driver RSI-USB WLAN usbcore: registered new interface driver zd1211rw usbcore: registered new interface driver zd1201 usbcore: registered new interface driver rndis_wlan usbcore: registered new interface driver atusb usbcore: registered new interface driver catc usbcore: registered new interface driver kaweth pegasus: Pegasus/Pegasus II USB Ethernet driver usbcore: registered new interface driver pegasus usbcore: registered new interface driver rtl8150 usbcore: registered new interface driver r8152 hso: drivers/net/usb/hso.c: Option Wireless general protection fault, probably for non-canonical address 0xffff080000000400: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfff8600000002000-0xfff8600000002007] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:freelist_dereference mm/slub.c:347 [inline] RIP: 0010:get_freepointer mm/slub.c:354 [inline] RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline] RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline] RIP: 0010:slab_alloc mm/slub.c:3251 [inline] RIP: 0010:__kmalloc+0x10e/0x320 mm/slub.c:4420 Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 dc 01 00 00 48 85 c0 0f 84 d3 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 df 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 RSP: 0000:ffffc9000001fd58 EFLAGS: 00010246 RAX: ffff080000000000 RBX: 0000000000000100 RCX: 0000000000000400 RDX: 0000000000001899 RSI: 0000000000000dc0 RDI: 000000000003b420 RBP: ffff888100042000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000dc0 R13: 0000000000000800 R14: 0000000000000dc0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kmalloc_array include/linux/slab.h:640 [inline] kcalloc include/linux/slab.h:671 [inline] __tty_alloc_driver drivers/tty/tty_io.c:3358 [inline] __tty_alloc_driver+0x1ea/0x510 drivers/tty/tty_io.c:3317 hso_init+0x98/0x44e drivers/net/usb/hso.c:3247 do_one_initcall+0xfe/0x650 init/main.c:1296 do_initcall_level init/main.c:1369 [inline] do_initcalls init/main.c:1385 [inline] do_basic_setup init/main.c:1404 [inline] kernel_init_freeable+0x6ac/0x735 init/main.c:1611 kernel_init+0x1a/0x1d0 init/main.c:1500 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:freelist_dereference mm/slub.c:347 [inline] RIP: 0010:get_freepointer mm/slub.c:354 [inline] RIP: 0010:get_freepointer_safe mm/slub.c:368 [inline] RIP: 0010:slab_alloc_node mm/slub.c:3211 [inline] RIP: 0010:slab_alloc mm/slub.c:3251 [inline] RIP: 0010:__kmalloc+0x10e/0x320 mm/slub.c:4420 Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 dc 01 00 00 48 85 c0 0f 84 d3 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 df 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 RSP: 0000:ffffc9000001fd58 EFLAGS: 00010246 RAX: ffff080000000000 RBX: 0000000000000100 RCX: 0000000000000400 RDX: 0000000000001899 RSI: 0000000000000dc0 RDI: 000000000003b420 RBP: ffff888100042000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000dc0 R13: 0000000000000800 R14: 0000000000000dc0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 0000000007825000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 8b 51 08 mov 0x8(%rcx),%edx 3: 48 8b 01 mov (%rcx),%rax 6: 48 83 79 10 00 cmpq $0x0,0x10(%rcx) b: 48 89 44 24 08 mov %rax,0x8(%rsp) 10: 0f 84 dc 01 00 00 je 0x1f2 16: 48 85 c0 test %rax,%rax 19: 0f 84 d3 01 00 00 je 0x1f2 1f: 48 8b 7d 00 mov 0x0(%rbp),%rdi 23: 8b 4d 28 mov 0x28(%rbp),%ecx 26: 40 f6 c7 0f test $0xf,%dil * 2a: 48 8b 1c 08 mov (%rax,%rcx,1),%rbx <-- trapping instruction 2e: 0f 85 df 01 00 00 jne 0x213 34: 48 8d 4a 08 lea 0x8(%rdx),%rcx 38: 65 48 0f c7 0f cmpxchg16b %gs:(%rdi) 3d: 0f 94 c0 sete %al --- This report is generated by a bot. 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