Hello, syzbot found the following issue on: HEAD commit: bc6c6584ffb2 Add linux-next specific files for 20220810 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=1518dbbb080000 kernel config: https://syzkaller.appspot.com/x/.config?x=5784be4315a4403b dashboard link: https://syzkaller.appspot.com/bug?extid=cf0ad9bc61d1fa5ef614 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+cf0ad9bc61d1fa5ef614@xxxxxxxxxxxxxxxxxxxxxxxxx input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 ACPI: button: Sleep Button [SLPF] ACPI: \_SB_.LNKC: Enabled at IRQ 11 virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKD: Enabled at IRQ 10 virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKB: Enabled at IRQ 10 virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 Linux agpgart interface v0.103 ACPI: bus type drm_connector registered [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 Console: switching to colour frame buffer device 128x48 platform vkms: [drm] fb0: vkmsdrmfb frame buffer device usbcore: registered new interface driver udl brd: module loaded loop: module loaded zram: Added device: zram0 null_blk: disk nullb0 created null_blk: module loaded Guest personality initialized and is inactive VMCI host device registered (name=vmci, major=10, minor=120) Initialized host personality usbcore: registered new interface driver rtsx_usb usbcore: registered new interface driver viperboard usbcore: registered new interface driver dln2 usbcore: registered new interface driver pn533_usb nfcsim 0.2 initialized usbcore: registered new interface driver port100 usbcore: registered new interface driver nfcmrvl Loading iSCSI transport class v2.0-870. scsi host0: Virtio SCSI HBA st: Version 20160209, fixed bufsize 32768, s/g segs 256 Rounding down aligned max_sectors from 4294967295 to 4294967288 db_root: cannot open: /etc/target slram: not enough parameters. ftl_cs: FTL header not found. wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@xxxxxxxxx>. All Rights Reserved. eql: Equalizer2002: Simon Janes (simon@xxxxxxx) and David S. Miller (davem@xxxxxxxxxx) MACsec IEEE 802.1AE tun: Universal TUN/TAP device driver, 1.6 general protection fault, probably for non-canonical address 0xffff000000000800: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0xfff8200000004000-0xfff8200000004007] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.19.0-next-20220810-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:kmem_cache_alloc_trace+0x164/0x3e0 mm/slub.c:3282 Code: 8b 51 08 48 8b 01 48 83 79 10 00 48 89 44 24 08 0f 84 bf 01 00 00 48 85 c0 0f 84 b6 01 00 00 48 8b 7d 00 8b 4d 28 40 f6 c7 0f <48> 8b 1c 08 0f 85 c2 01 00 00 48 8d 4a 08 65 48 0f c7 0f 0f 94 c0 RSP: 0000:ffffc90000067810 EFLAGS: 00010246 RAX: ffff000000000000 RBX: 0000000000000000 RCX: 0000000000000800 RDX: 0000000000002d18 RSI: 0000000000000dc0 RDI: 000000000003dce0 RBP: ffff888011842140 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000dc0 R14: 0000000000000a20 R15: 0000000000000dc0 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:733 [inline] kobject_uevent_env+0x230/0x1640 lib/kobject_uevent.c:524 netdev_queue_add_kobject net/core/net-sysfs.c:1677 [inline] netdev_queue_update_kobjects+0x3d1/0x4e0 net/core/net-sysfs.c:1718 register_queue_kobjects net/core/net-sysfs.c:1779 [inline] netdev_register_kobject+0x330/0x400 net/core/net-sysfs.c:2019 register_netdevice+0xe01/0x1680 net/core/dev.c:10070 virtnet_probe+0x1378/0x2f30 drivers/net/virtio_net.c:3923 virtio_dev_probe+0x577/0x870 drivers/virtio/virtio.c:305 call_driver_probe drivers/base/dd.c:530 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:609 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:748 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:778 __driver_attach+0x223/0x550 drivers/base/dd.c:1150 bus_for_each_dev+0x147/0x1d0 drivers/base/bus.c:301 bus_add_driver+0x4c9/0x640 drivers/base/bus.c:618 driver_register+0x220/0x3a0 drivers/base/driver.c:240 virtio_net_driver_init+0x93/0xd2 drivers/net/virtio_net.c:4102 do_one_initcall+0xfe/0x650 init/main.c:1299 do_initcall_level init/main.c:1374 [inline] do_initcalls init/main.c:1390 [inline] do_basic_setup init/main.c:1409 [inline] kernel_init_freeable+0x6b1/0x73a init/main.c:1616 kernel_init+0x1a/0x1d0 init/main.c:1505 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 </TASK> Modules linked in: ---------------- 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 bf 01 00 00 je 0x1d5 16: 48 85 c0 test %rax,%rax 19: 0f 84 b6 01 00 00 je 0x1d5 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 c2 01 00 00 jne 0x1f6 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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