F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): access invalid blkaddr:1 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7965 at fs/f2fs/checkpoint.c:150 f2fs_is_valid_blkaddr+0x2d9/0x920 fs/f2fs/checkpoint.c:148 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 7965 Comm: syz-executor753 Not tainted 4.14.241-syzkaller #0 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+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:964 RIP: 0010:f2fs_is_valid_blkaddr+0x2d9/0x920 fs/f2fs/checkpoint.c:150 RSP: 0018:ffff888096e87820 EFLAGS: 00010286 RAX: dffffc0000000000 RBX: ffff8880b3b503c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff878bbbc0 RDI: ffffed1012dd0ede RBP: 0000000000000005 R08: 0000000000000029 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000001400 R15: 0000000000000400 f2fs_submit_page_bio+0x10a/0x1380 fs/f2fs/data.c:377 read_node_page+0x209/0x2f0 fs/f2fs/node.c:1128 __get_node_page.part.0+0x97/0xea0 fs/f2fs/node.c:1173 __get_node_page fs/f2fs/node.c:37 [inline] get_node_page+0xdd/0x170 fs/f2fs/node.c:1219 do_read_inode fs/f2fs/inode.c:264 [inline] f2fs_iget+0x1e8/0x3760 fs/f2fs/inode.c:360 f2fs_fill_super+0x30ac/0x56a0 fs/f2fs/super.c:2622 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:2549 [inline] do_mount+0xe53/0x2a00 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4458ba RSP: 002b:00007ffd6fa535f8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffd6fa53650 RCX: 00000000004458ba RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd6fa53610 RBP: 00007ffd6fa53610 R08: 00007ffd6fa53650 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000698 R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000031 Kernel Offset: disabled Rebooting in 86400 seconds..