sysfs: cannot create duplicate filename '/devices/virtual/bdi/7:0-fuseblk' ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8018 at fs/sysfs/dir.c:30 sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8018 Comm: syz-executor818 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967 RIP: 0010:sysfs_warn_dup.cold+0x17/0x26 fs/sysfs/dir.c:30 RSP: 0018:ffff8880b31577a0 EFLAGS: 00010282 RAX: 000000000000004a RBX: ffff8880b33a0150 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878bd020 RDI: ffffed101662aeea RBP: ffff88809b7b2340 R08: 000000000000004a R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880af206000 R13: ffff8880a8ce2540 R14: ffff8880b33a0158 R15: ffff8880b33a1258 sysfs_create_dir_ns+0x16f/0x1d0 fs/sysfs/dir.c:59 create_dir lib/kobject.c:71 [inline] kobject_add_internal+0x28b/0x930 lib/kobject.c:229 kobject_add_varg lib/kobject.c:364 [inline] kobject_add+0x11f/0x180 lib/kobject.c:409 device_add+0x33f/0x15c0 drivers/base/core.c:1885 device_create_groups_vargs+0x1dc/0x250 drivers/base/core.c:2529 device_create_vargs+0x3a/0x50 drivers/base/core.c:2569 bdi_register_va.part.0+0x35/0x650 mm/backing-dev.c:880 bdi_register_va+0x63/0x80 mm/backing-dev.c:896 super_setup_bdi_name+0x123/0x220 fs/super.c:1297 fuse_bdi_init fs/fuse/inode.c:996 [inline] fuse_fill_super+0x937/0x15c0 fs/fuse/inode.c:1116 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fa472aae129 RSP: 002b:00007fff85f2bfb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fff85f2bff0 RCX: 00007fa472aae129 RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000020000000 RBP: 0000000000000000 R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000f4240 R13: 0000000000000000 R14: 00007fff85f2bfdc R15: 00007fff85f2bfe0 Kernel Offset: disabled Rebooting in 86400 seconds..