Warning: Permanently added '10.128.0.229' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 36.179290] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 36.186556] F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock [ 36.196145] F2FS-fs (loop0): invalid crc value [ 36.237225] F2FS-fs (loop0): access invalid blkaddr:1 [ 36.242417] ------------[ cut here ]------------ [ 36.248023] WARNING: CPU: 1 PID: 8084 at fs/f2fs/checkpoint.c:166 f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.257211] Kernel panic - not syncing: panic_on_warn set ... [ 36.257211] [ 36.264557] CPU: 1 PID: 8084 Comm: syz-executor483 Not tainted 4.19.211-syzkaller #0 [ 36.272412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.281764] Call Trace: [ 36.284338] dump_stack+0x1fc/0x2ef [ 36.287947] panic+0x26a/0x50e [ 36.291119] ? __warn_printk+0xf3/0xf3 [ 36.294989] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.299723] ? __probe_kernel_read+0x130/0x1b0 [ 36.304284] ? __warn.cold+0x5/0x5a [ 36.307888] ? __warn+0xe4/0x200 [ 36.311233] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.315969] __warn.cold+0x20/0x5a [ 36.319491] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.324223] report_bug+0x262/0x2b0 [ 36.327838] do_error_trap+0x1d7/0x310 [ 36.331705] ? math_error+0x310/0x310 [ 36.335489] ? __irq_work_queue_local+0x101/0x160 [ 36.340313] ? irq_work_queue+0x29/0x80 [ 36.344267] ? error_entry+0x72/0xd0 [ 36.347967] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.352963] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.357807] invalid_op+0x14/0x20 [ 36.361241] RIP: 0010:f2fs_is_valid_blkaddr+0x35d/0xa20 [ 36.366583] Code: 7a 06 00 00 48 8b 7d 00 44 89 e1 48 c7 c2 40 1a a8 88 48 c7 c6 e0 18 a8 88 e8 bf fa fd ff 48 c7 c7 80 1a a8 88 e8 fe 34 de 04 <0f> 0b 45 31 ed e9 3f fe ff ff e8 84 03 4d fe 48 8d bd 40 01 00 00 [ 36.385463] RSP: 0018:ffff8880b2477740 EFLAGS: 00010282 [ 36.390801] RAX: 0000000000000024 RBX: 0000000000000005 RCX: 0000000000000000 [ 36.398048] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed101648eeda [ 36.405294] RBP: ffff888095385e40 R08: 0000000000000024 R09: 0000000000000000 [ 36.412544] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 [ 36.419793] R13: 0000000000000001 R14: 0000000000001400 R15: 0000000000000400 [ 36.427048] ? vprintk_func+0x81/0x180 [ 36.430923] f2fs_submit_page_bio+0x138/0x1580 [ 36.435498] ? page_cache_tree_insert+0x3f0/0x3f0 [ 36.440354] ? check_preemption_disabled+0x41/0x280 [ 36.445388] read_node_page+0x496/0x630 [ 36.449344] ? truncate_node+0x10c0/0x10c0 [ 36.453559] ? add_to_page_cache_lru+0x259/0x680 [ 36.458297] ? add_to_page_cache_locked+0x40/0x40 [ 36.463124] ? pagecache_get_page+0x1c4/0xd50 [ 36.467602] __get_node_page.part.0+0x9b/0x14b0 [ 36.472252] f2fs_get_node_page+0x109/0x1a0 [ 36.476554] f2fs_iget+0x22a/0x4ce0 [ 36.480159] ? wait_for_completion_io+0x10/0x10 [ 36.484808] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.489804] f2fs_fill_super+0x34b4/0x7050 [ 36.494028] ? snprintf+0xbb/0xf0 [ 36.497465] ? f2fs_commit_super+0x400/0x400 [ 36.501878] ? wait_for_completion_io+0x10/0x10 [ 36.506536] ? set_blocksize+0x163/0x3f0 [ 36.510581] mount_bdev+0x2fc/0x3b0 [ 36.514187] ? f2fs_commit_super+0x400/0x400 [ 36.518575] mount_fs+0xa3/0x310 [ 36.521923] vfs_kern_mount.part.0+0x68/0x470 [ 36.526421] do_mount+0x115c/0x2f50 [ 36.530032] ? lock_acquire+0x170/0x3c0 [ 36.534012] ? check_preemption_disabled+0x41/0x280 [ 36.539011] ? copy_mount_string+0x40/0x40 [ 36.543222] ? copy_mount_options+0x59/0x380 [ 36.547611] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.552608] ? kmem_cache_alloc_trace+0x323/0x380 [ 36.557434] ? copy_mount_options+0x26f/0x380 [ 36.561910] ksys_mount+0xcf/0x130 [ 36.565432] __x64_sys_mount+0xba/0x150 [ 36.569403] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.573967] do_syscall_64+0xf9/0x620 [ 36.577750] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.582916] RIP: 0033:0x7fa601b8ca1a [ 36.586609] Code: 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 36.605492] RSP: 002b:00007ffdeb467fe8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 36.613184] RAX: ffffffffffffffda RBX: 00007ffdeb468040 RCX: 00007fa601b8ca1a [ 36.620446] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffdeb468000 [ 36.627693] RBP: 00007ffdeb468000 R08: 00007ffdeb468040 R09: 0000000000000000 [ 36.634948] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000650 [ 36.642214] R13: 0000000000000003 R14: 0000000000000004 R15: 000000000000002e [ 36.649843] Kernel Offset: disabled [ 36.653490] Rebooting in 86400 seconds..