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 usbcore: registered new interface driver hso usbcore: registered new interface driver lan78xx usbcore: registered new interface driver asix usbcore: registered new interface driver ax88179_178a usbcore: registered new interface driver cdc_ether usbcore: registered new interface driver cdc_eem usbcore: registered new interface driver dm9601 usbcore: registered new interface driver sr9700 usbcore: registered new interface driver CoreChips usbcore: registered new interface driver smsc75xx usbcore: registered new interface driver smsc95xx usbcore: registered new interface driver gl620a usbcore: registered new interface driver net1080 usbcore: registered new interface driver plusb usbcore: registered new interface driver rndis_host usbcore: registered new interface driver cdc_subset usbcore: registered new interface driver zaurus usbcore: registered new interface driver MOSCHIP usb-ethernet driver usbcore: registered new interface driver int51x1 usbcore: registered new interface driver cdc_phonet usbcore: registered new interface driver kalmia usbcore: registered new interface driver ipheth usbcore: registered new interface driver sierra_net usbcore: registered new interface driver cx82310_eth usbcore: registered new interface driver cdc_ncm usbcore: registered new interface driver huawei_cdc_ncm usbcore: registered new interface driver lg-vl600 usbcore: registered new interface driver qmi_wwan usbcore: registered new interface driver cdc_mbim usbcore: registered new interface driver ch9200 usbcore: registered new interface driver r8153_ecm uhci_hcd: USB Universal Host Controller Interface driver driver u132_hcd Warning! fotg210_hcd should always be loaded before uhci_hcd and ohci_hcd, not after SPI driver max3421-hcd has no spi_device_id for maxim,max3421 general protection fault, probably for non-canonical address 0xffff000000000400: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfff8200000002000-0xfff8200000002007] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-syzkaller-00049-g4e55e22d3d9a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 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:ffffc9000001fd60 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000100 RCX: 0000000000000400 RDX: 0000000000000a79 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: kmalloc_array include/linux/slab.h:640 [inline] kcalloc include/linux/slab.h:671 [inline] __tty_alloc_driver drivers/tty/tty_io.c:3340 [inline] __tty_alloc_driver+0x2e8/0x510 drivers/tty/tty_io.c:3317 acm_init+0x19/0x318 drivers/usb/class/cdc-acm.c:2036 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 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:ffffc9000001fd60 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000100 RCX: 0000000000000400 RDX: 0000000000000a79 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