Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 kobject_add_internal failed for _dev_input_mice with -EEXIST, don't try to register things with the same name in the same directory. sysfs_warn_dup+0x83/0xa0 fs/sysfs/dir.c:30 WARNING: CPU: 1 PID: 4487 at lib/kobject.c:238 kobject_add_internal+0x8d4/0xbc0 lib/kobject.c:235 sysfs_create_dir_ns+0x178/0x1d0 fs/sysfs/dir.c:58 Kernel panic - not syncing: panic_on_warn set ... create_dir lib/kobject.c:69 [inline] kobject_add_internal+0x335/0xbc0 lib/kobject.c:227 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xf9/0x150 lib/kobject.c:436 gfs2_sys_fs_add+0x1ff/0x580 fs/gfs2/sys.c:652 fill_super+0x86f/0x1d70 fs/gfs2/ops_fstype.c:1118 gfs2_mount+0x587/0x6e0 fs/gfs2/ops_fstype.c:1321 mount_fs+0x66/0x2d0 fs/super.c:1222 vfs_kern_mount.part.26+0xc6/0x4a0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:2509 [inline] do_new_mount fs/namespace.c:2512 [inline] do_mount+0xea4/0x2bb0 fs/namespace.c:2842 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4433aa RSP: 002b:00007fff38d29ab8 EFLAGS: 00000213 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004433aa RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007fff38d29ad0 RBP: 0000000020000570 R08: 0000000020000580 R09: 000000000000000a R10: 0000000001000080 R11: 0000000000000213 R12: 666f3d61746f7571 R13: 65766f6365726f6e R14: 0030656c69662f2e R15: 0000000000000004 CPU: 1 PID: 4487 Comm: syzkaller551725 Not tainted 4.16.0-rc7+ #8 ------------[ cut here ]------------ Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x24d lib/dump_stack.c:53 kobject_add_internal failed for _dev_input_mice with -EEXIST, don't try to register things with the same name in the same directory. panic+0x1e4/0x41c kernel/panic.c:183 WARNING: CPU: 0 PID: 4483 at lib/kobject.c:238 kobject_add_internal+0x8d4/0xbc0 lib/kobject.c:235 Modules linked in: CPU: 0 PID: 4483 Comm: syzkaller551725 Not tainted 4.16.0-rc7+ #8 __warn+0x1dc/0x200 kernel/panic.c:547 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kobject_add_internal+0x8d4/0xbc0 lib/kobject.c:235 report_bug+0x1f4/0x2b0 lib/bug.c:186 RSP: 0018:ffff8801ad0674a0 EFLAGS: 00010282 fixup_bug.part.10+0x37/0x80 arch/x86/kernel/traps.c:178 RAX: dffffc0000000008 RBX: ffff8801ad109190 RCX: ffffffff815b193e fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 RDX: 0000000000000000 RSI: 1ffff10035a0ce44 RDI: 1ffff10035a0ce19 RBP: ffff8801ad067598 R08: 1ffff10035a0cddb R09: 0000000000000001 R10: ffff8801ad067260 R11: 0000000000000000 R12: 1ffff10035a0ce9a R13: 00000000ffffffef R14: ffff8801d3980748 R15: 1ffff10035a0ce9e FS: 00000000017dc880(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004b5a38 CR3: 00000001ae2ab005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986 RIP: 0010:kobject_add_internal+0x8d4/0xbc0 lib/kobject.c:235 RSP: 0018:ffff8801ad0474a0 EFLAGS: 00010282 RAX: dffffc0000000008 RBX: ffff8801ad1f1150 RCX: ffffffff815b193e RDX: 0000000000000000 RSI: 1ffff10035a08e44 RDI: 1ffff10035a08e19 RBP: ffff8801ad047598 R08: 1ffff10035a08ddb R09: 0000000000000000 R10: ffff8801ad047260 R11: 0000000000000000 R12: 1ffff10035a08e9a kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xf9/0x150 lib/kobject.c:436 R13: 00000000ffffffef R14: ffff8801d3980748 R15: 1ffff10035a08e9e gfs2_sys_fs_add+0x1ff/0x580 fs/gfs2/sys.c:652 kobject_add_varg lib/kobject.c:364 [inline] kobject_init_and_add+0xf9/0x150 lib/kobject.c:436 fill_super+0x86f/0x1d70 fs/gfs2/ops_fstype.c:1118 gfs2_sys_fs_add+0x1ff/0x580 fs/gfs2/sys.c:652 fill_super+0x86f/0x1d70 fs/gfs2/ops_fstype.c:1118 gfs2_mount+0x587/0x6e0 fs/gfs2/ops_fstype.c:1321 mount_fs+0x66/0x2d0 fs/super.c:1222 vfs_kern_mount.part.26+0xc6/0x4a0 fs/namespace.c:1037 gfs2_mount+0x587/0x6e0 fs/gfs2/ops_fstype.c:1321 vfs_kern_mount fs/namespace.c:2509 [inline] do_new_mount fs/namespace.c:2512 [inline] do_mount+0xea4/0x2bb0 fs/namespace.c:2842 mount_fs+0x66/0x2d0 fs/super.c:1222 vfs_kern_mount.part.26+0xc6/0x4a0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:2509 [inline] do_new_mount fs/namespace.c:2512 [inline] do_mount+0xea4/0x2bb0 fs/namespace.c:2842 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 SYSC_mount fs/namespace.c:3058 [inline] SyS_mount+0xab/0x120 fs/namespace.c:3035 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4433aa RSP: 002b:00007fff38d29ab8 EFLAGS: 00000213 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004433aa RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007fff38d29ad0 RBP: 0000000020000570 R08: 0000000020000580 R09: 000000000000000a R10: 0000000001000080 R11: 0000000000000213 R12: 666f3d61746f7571 R13: 65766f6365726f6e R14: 0030656c69662f2e R15: 0000000000000004 Code: entry_SYSCALL_64_after_hwframe+0x42/0xb7 00 RIP: 0033:0x4433aa 00 RSP: 002b:00007fff38d29ab8 EFLAGS: 00000213 ORIG_RAX: 00000000000000a5 00 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004433aa RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 00007fff38d29ad0 00 RBP: 0000000020000570 R08: 0000000020000580 R09: 000000000000000a R10: 0000000001000080 R11: 0000000000000213 R12: 666f3d61746f7571 fc R13: 65766f6365726f6e R14: 0030656c69662f2e R15: 0000000000000004 ff df 48 c1 ea 03 80 3c 02 00 0f 85 aa 00 00 00 48 8b 13 48 c7 c6 00 24 d6 87 48 c7 c7 60 21 d6 87 e8 4c b3 62 fa <0f> 0b e9 1d fb ff ff e8 30 9e 92 fa 0f 0b e9 29 fe ff ff e8 24 ---[ end trace 7e7a5418a9b1d729 ]--- Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..