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 . All Rights Reserved. eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) MACsec IEEE 802.1AE tun: Universal TUN/TAP device driver, 1.6 vcan: Virtual CAN interface driver vxcan: Virtual CAN Tunnel driver slcan: serial line CAN interface driver 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. mkiss: AX.25 Multikiss, Hans Albas PE1AYX AX.25: 6pack driver, Revision: 0.3.0 AX.25: bpqether driver version 004 PPP generic driver version 2.4.2 BUG: unable to handle page fault for address: ffffdc0000000006 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 12026067 P4D 12026067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.0.0-rc1-syzkaller-00017-g3cc40a443a04 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:kernfs_root fs/kernfs/kernfs-internal.h:66 [inline] RIP: 0010:kernfs_new_node+0x3e/0x160 fs/kernfs/dir.c:655 Code: 89 44 24 04 41 89 cc 41 89 d7 49 89 f5 48 89 fb 48 bd 00 00 00 00 00 fc ff df e8 1d 26 75 ff 48 8d 7b 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 74 05 e8 c7 c4 c8 ff 4c 8b 73 30 4d 85 f6 4c 0f 44 f3 RSP: 0000:ffffc90000067a48 EFLAGS: 00010a06 RAX: 1fffe00000000006 RBX: ffff000000000000 RCX: ffff888012228000 RDX: 0000000000000000 RSI: ffffffff8b23d2c0 RDI: ffff000000000030 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000004 R10: fffffbfff19cdabd R11: 1ffffffff19cdabc R12: 0000000000000000 R13: ffffffff8b23d2c0 R14: ffff888147423e80 R15: 000000000000a1ff FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000006 CR3: 000000000ca8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kernfs_create_link+0x9f/0x1f0 fs/kernfs/symlink.c:39 sysfs_do_create_link_sd+0x85/0x100 fs/sysfs/symlink.c:44 device_add_class_symlinks drivers/base/core.c:3239 [inline] device_add+0x642/0xf90 drivers/base/core.c:3465 device_create_groups_vargs drivers/base/core.c:4194 [inline] device_create+0x252/0x2e0 drivers/base/core.c:4236 ppp_init+0xfb/0x157 drivers/net/ppp/ppp_generic.c:1410 do_one_initcall+0xbd/0x2b0 init/main.c:1296 do_initcall_level+0x168/0x218 init/main.c:1369 do_initcalls+0x4b/0x8c init/main.c:1385 kernel_init_freeable+0x43a/0x5c3 init/main.c:1611 kernel_init+0x19/0x2b0 init/main.c:1500 ret_from_fork+0x1f/0x30 Modules linked in: CR2: ffffdc0000000006 ---[ end trace 0000000000000000 ]--- RIP: 0010:kernfs_root fs/kernfs/kernfs-internal.h:66 [inline] RIP: 0010:kernfs_new_node+0x3e/0x160 fs/kernfs/dir.c:655 Code: 89 44 24 04 41 89 cc 41 89 d7 49 89 f5 48 89 fb 48 bd 00 00 00 00 00 fc ff df e8 1d 26 75 ff 48 8d 7b 30 48 89 f8 48 c1 e8 03 <80> 3c 28 00 74 05 e8 c7 c4 c8 ff 4c 8b 73 30 4d 85 f6 4c 0f 44 f3 RSP: 0000:ffffc90000067a48 EFLAGS: 00010a06 RAX: 1fffe00000000006 RBX: ffff000000000000 RCX: ffff888012228000 RDX: 0000000000000000 RSI: ffffffff8b23d2c0 RDI: ffff000000000030 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000004 R10: fffffbfff19cdabd R11: 1ffffffff19cdabc R12: 0000000000000000 R13: ffffffff8b23d2c0 R14: ffff888147423e80 R15: 000000000000a1ff FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffdc0000000006 CR3: 000000000ca8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 44 24 04 mov %eax,0x4(%rsp) 4: 41 89 cc mov %ecx,%r12d 7: 41 89 d7 mov %edx,%r15d a: 49 89 f5 mov %rsi,%r13 d: 48 89 fb mov %rdi,%rbx 10: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 17: fc ff df 1a: e8 1d 26 75 ff callq 0xff75263c 1f: 48 8d 7b 30 lea 0x30(%rbx),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) <-- trapping instruction 2e: 74 05 je 0x35 30: e8 c7 c4 c8 ff callq 0xffc8c4fc 35: 4c 8b 73 30 mov 0x30(%rbx),%r14 39: 4d 85 f6 test %r14,%r14 3c: 4c 0f 44 f3 cmove %rbx,%r14