EXT4-fs error (device loop2): ext4_fill_super:4955: inode #2: comm syz-executor.2: iget: special inode unallocated Kernel panic - not syncing: EXT4-fs (device loop2): panic forced after error CPU: 1 PID: 5440 Comm: syz-executor.2 Not tainted 5.10.187-syzkaller-00057-g8a427269c016 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x17 lib/dump_stack.c:135 panic+0x2cf/0x80b kernel/panic.c:308 ext4_handle_error+0x30e/0x310 fs/ext4/super.c:673 __ext4_error_inode+0x2d8/0x5b0 fs/ext4/super.c:735 __ext4_iget+0x222b/0x41f0 fs/ext4/inode.c:4858 ext4_fill_super+0x7424/0x9280 fs/ext4/super.c:4955 mount_bdev+0x262/0x370 fs/super.c:1420 ext4_mount+0x34/0x40 fs/ext4/super.c:6625 legacy_get_tree+0xf1/0x190 fs/fs_context.c:592 vfs_get_tree+0x88/0x290 fs/super.c:1550 do_new_mount+0x28b/0xad0 fs/namespace.c:2899 path_mount+0x56f/0xcb0 fs/namespace.c:3229 do_mount fs/namespace.c:3242 [inline] __do_sys_mount fs/namespace.c:3450 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3427 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3427 do_syscall_64+0x34/0x70 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f96e94a5ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f96e82070c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f96e95c5050 RCX: 00007f96e94a5ae9 RDX: 00000000200001c0 RSI: 00000000200006c0 RDI: 0000000020000640 RBP: 00007f96e94f147a R08: 0000000000000000 R09: 0000000000000000 R10: 000000003f000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f96e95c5050 R15: 00007ffe89c2edf8 Kernel Offset: disabled Rebooting in 86400 seconds..