Warning: Permanently added '10.128.0.132' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.181461] F2FS-fs (loop0): Magic Mismatch, valid(0xf2f52010) - read(0x0) [ 34.188766] F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock [ 34.197072] F2FS-fs (loop0): invalid crc value [ 34.240439] F2FS-fs (loop0): access invalid blkaddr:1 [ 34.245672] ------------[ cut here ]------------ [ 34.250700] WARNING: CPU: 1 PID: 8111 at fs/f2fs/checkpoint.c:166 f2fs_is_valid_blkaddr+0x35d/0xa20 [ 34.259926] Kernel panic - not syncing: panic_on_warn set ... [ 34.259926] [ 34.267279] CPU: 1 PID: 8111 Comm: syz-executor228 Not tainted 4.19.193-syzkaller #0 [ 34.275155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.284486] Call Trace: [ 34.287056] dump_stack+0x1fc/0x2ef [ 34.290671] panic+0x26a/0x50e [ 34.293844] ? __warn_printk+0xf3/0xf3 [ 34.297717] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 34.302455] ? __probe_kernel_read+0x130/0x1b0 [ 34.307032] ? __warn.cold+0x5/0x5a [ 34.310638] ? __warn+0xe4/0x200 [ 34.313982] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 34.318715] __warn.cold+0x20/0x5a [ 34.322236] ? f2fs_is_valid_blkaddr+0x35d/0xa20 [ 34.326971] report_bug+0x262/0x2b0 [ 34.330579] do_error_trap+0x1d7/0x310 [ 34.334445] ? math_error+0x310/0x310 [ 34.338234] ? __irq_work_queue_local+0x101/0x160 [ 34.343067] ? irq_work_queue+0x29/0x80 [ 34.347040] ? error_entry+0x72/0xd0 [ 34.350735] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.355732] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.360786] invalid_op+0x14/0x20 [ 34.364348] RIP: 0010:f2fs_is_valid_blkaddr+0x35d/0xa20 [ 34.370076] Code: 7a 06 00 00 48 8b 7d 00 44 89 e1 48 c7 c2 80 15 a8 88 48 c7 c6 20 14 a8 88 e8 bf fa fd ff 48 c7 c7 c0 15 a8 88 e8 fc 4e dd 04 <0f> 0b 45 31 ed e9 3f fe ff ff e8 14 1a 4d fe 48 8d bd 40 01 00 00 [ 34.389145] RSP: 0018:ffff8880b01d7740 EFLAGS: 00010282 [ 34.394491] RAX: 0000000000000024 RBX: 0000000000000005 RCX: 0000000000000000 [ 34.401739] RDX: 0000000000000000 RSI: ffffffff814df6b1 RDI: ffffed101603aeda [ 34.409003] RBP: ffff8880b0214640 R08: 0000000000000024 R09: 0000000000000000 [ 34.416282] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000001 [ 34.423547] R13: 0000000000000001 R14: 0000000000001400 R15: 0000000000000400 [ 34.430816] ? vprintk_func+0x81/0x180 [ 34.434686] f2fs_submit_page_bio+0x138/0x1580 [ 34.439251] ? page_cache_tree_insert+0x3f0/0x3f0 [ 34.444091] ? check_preemption_disabled+0x41/0x280 [ 34.449108] read_node_page+0x496/0x630 [ 34.453093] ? truncate_node+0x10c0/0x10c0 [ 34.457324] ? add_to_page_cache_lru+0x259/0x680 [ 34.462061] ? add_to_page_cache_locked+0x40/0x40 [ 34.466883] ? pagecache_get_page+0x1c4/0xd50 [ 34.471364] __get_node_page.part.0+0x9b/0x14b0 [ 34.476021] f2fs_get_node_page+0x109/0x1a0 [ 34.480336] f2fs_iget+0x22a/0x4ce0 [ 34.483957] ? wait_for_completion_io+0x10/0x10 [ 34.488918] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.493925] f2fs_fill_super+0x34b4/0x7050 [ 34.498154] ? snprintf+0xbb/0xf0 [ 34.501590] ? f2fs_commit_super+0x400/0x400 [ 34.505979] ? wait_for_completion_io+0x10/0x10 [ 34.510649] ? set_blocksize+0x163/0x3f0 [ 34.514698] mount_bdev+0x2fc/0x3b0 [ 34.518312] ? f2fs_commit_super+0x400/0x400 [ 34.522702] mount_fs+0xa3/0x310 [ 34.526057] vfs_kern_mount.part.0+0x68/0x470 [ 34.530541] do_mount+0x113c/0x2f10 [ 34.534157] ? __do_page_fault+0x180/0xd60 [ 34.538383] ? copy_mount_string+0x40/0x40 [ 34.542603] ? copy_mount_options+0x1cd/0x380 [ 34.547081] ? copy_mount_options+0x1da/0x380 [ 34.551583] ? copy_mount_options+0x1e9/0x380 [ 34.556061] ? copy_mount_options+0x26f/0x380 [ 34.560554] ksys_mount+0xcf/0x130 [ 34.564085] __x64_sys_mount+0xba/0x150 [ 34.568043] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.572617] do_syscall_64+0xf9/0x620 [ 34.576920] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.582088] RIP: 0033:0x4458ba [ 34.585255] 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 [ 34.604141] RSP: 002b:00007ffc1d863a68 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 34.611829] RAX: ffffffffffffffda RBX: 00007ffc1d863ac0 RCX: 00000000004458ba [ 34.619082] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc1d863a80 [ 34.626341] RBP: 00007ffc1d863a80 R08: 00007ffc1d863ac0 R09: 0000000000000000 [ 34.633588] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000698 [ 34.640848] R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000031 [ 34.649017] Kernel Offset: disabled [ 34.652683] Rebooting in 86400 seconds..