================================================ [ BUG: lock held when returning to user space! ] 4.9.124+ #33 Not tainted ------------------------------------------------ syz-executor2/10642 is leaving the kernel with locks still held! 1 lock held by syz-executor2/10642: #0: (&fi->mutex){+.+.+.}, at: [] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362 Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! attempt to access beyond end of device loop5: rw=48, want=8200, limit=20 attempt to access beyond end of device loop5: rw=48, want=12296, limit=20 attempt to access beyond end of device loop5: rw=48, want=8200, limit=20 attempt to access beyond end of device loop5: rw=48, want=12296, limit=20 f2fs_msg: 14 callbacks suppressed F2FS-fs (loop5): invalid crc value F2FS-fs (loop5): Failed to get valid F2FS checkpoint PF_BRIDGE: RTM_NEWNEIGH with invalid address Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! input: syz1 as /devices/virtual/input/input43 uinput: write device info first net_ratelimit: 1 callbacks suppressed Dead loop on virtual device ip6_vti0, fix it urgently! Dead loop on virtual device ip6_vti0, fix it urgently! input: syz1 as /devices/virtual/input/input45 Dead loop on virtual device ip6_vti0, fix it urgently! device lo entered promiscuous mode device lo left promiscuous mode EXT4-fs warning (device sda1): ext4_group_extend:1730: can't shrink FS - resize aborted EXT4-fs warning (device sda1): ext4_group_extend:1730: can't shrink FS - resize aborted Dead loop on virtual device ip6_vti0, fix it urgently! EXT4-fs warning (device sda1): ext4_group_extend:1730: can't shrink FS - resize aborted