syzkaller syzkaller login: [ 6.590114][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 11.442976][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 11.442982][ T23] audit: type=1400 audit(1668337469.830:71): avc: denied { transition } for pid=290 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.448602][ T23] audit: type=1400 audit(1668337469.830:72): avc: denied { write } for pid=290 comm="sh" path="pipe:[11325]" dev="pipefs" ino=11325 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 11.700148][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #288!!! [ 11.730131][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #280!!! [ 12.210612][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! [ 12.439648][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. executing program [ 49.147784][ T23] audit: type=1400 audit(1668337507.530:73): avc: denied { execmem } for pid=365 comm="syz-executor141" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 49.151254][ T23] audit: type=1400 audit(1668337507.530:74): avc: denied { read write } for pid=365 comm="syz-executor141" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 49.155380][ T23] audit: type=1400 audit(1668337507.530:75): avc: denied { open } for pid=365 comm="syz-executor141" path="/dev/loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 49.158972][ T23] audit: type=1400 audit(1668337507.530:76): avc: denied { ioctl } for pid=365 comm="syz-executor141" path="/dev/loop0" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 49.160526][ T367] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 49.163049][ T23] audit: type=1400 audit(1668337507.540:77): avc: denied { mounton } for pid=367 comm="syz-executor141" path="/root/syzkaller.2dvo2L/0/file0" dev="sda1" ino=1140 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 49.164023][ T367] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 49.175540][ T367] F2FS-fs (loop0): invalid crc_offset: 0 [ 49.183511][ T367] F2FS-fs (loop0): Found nat_bits in checkpoint [ 49.203942][ T367] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 49.211164][ T367] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 [ 49.218776][ T23] audit: type=1400 audit(1668337507.600:78): avc: denied { mount } for pid=367 comm="syz-executor141" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 49.249425][ T23] audit: type=1400 audit(1668337507.600:79): avc: denied { write } for pid=367 comm="syz-executor141" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 49.271864][ T23] audit: type=1400 audit(1668337507.600:80): avc: denied { add_name } for pid=367 comm="syz-executor141" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 49.292729][ T23] audit: type=1400 audit(1668337507.600:81): avc: denied { create } for pid=367 comm="syz-executor141" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 49.313259][ T23] audit: type=1400 audit(1668337507.600:82): avc: denied { read write open } for pid=367 comm="syz-executor141" path="/root/syzkaller.2dvo2L/0/file0/bus" dev="loop0" ino=10 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 49.477557][ T7] ================================================================== [ 49.485653][ T7] BUG: KASAN: slab-out-of-bounds in gc_data_segment+0x29fd/0x3040 [ 49.493517][ T7] Read of size 4 at addr ffff8881085f5568 by task kworker/u4:0/7 [ 49.501196][ T7] [ 49.503504][ T7] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 5.10.149-syzkaller-01350-g0118fb827bc7 #0 [ 49.513270][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 49.523305][ T7] Workqueue: writeback wb_workfn (flush-7:0) [ 49.529262][ T7] Call Trace: [ 49.532528][ T7] dump_stack_lvl+0x1e2/0x24b [ 49.537184][ T7] ? bfq_pos_tree_add_move+0x43e/0x43e [ 49.542618][ T7] ? panic+0x7d7/0x7d7 [ 49.546665][ T7] print_address_description+0x81/0x3c0 [ 49.552204][ T7] kasan_report+0x1a4/0x1f0 [ 49.556703][ T7] ? gc_data_segment+0x29fd/0x3040 [ 49.561812][ T7] ? gc_data_segment+0x29fd/0x3040 [ 49.566990][ T7] __asan_report_load4_noabort+0x14/0x20 [ 49.572599][ T7] gc_data_segment+0x29fd/0x3040 [ 49.577514][ T7] ? PageUptodate+0xc0/0xc0 [ 49.581994][ T7] ? page_cache_prev_miss+0x430/0x430 [ 49.587339][ T7] ? page_ext_put+0x1c/0x30 [ 49.591819][ T7] ? __page_pinner_migration_failed+0xe5/0x250 [ 49.597942][ T7] ? __reset_page_pinner+0x4d0/0x4d0 [ 49.603210][ T7] ? pagecache_get_page+0x766/0x850 [ 49.608385][ T7] do_garbage_collect+0xd3f/0x1de0 [ 49.613473][ T7] ? has_not_enough_free_secs+0x940/0x940 [ 49.619334][ T7] ? __kasan_check_write+0x14/0x20 [ 49.624428][ T7] ? __down_write+0x119/0x320 [ 49.629079][ T7] ? __kasan_check_write+0x14/0x20 [ 49.634192][ T7] ? __up_write+0x66/0x1d0 [ 49.638606][ T7] f2fs_gc+0x89e/0x19c0 [ 49.642834][ T7] ? f2fs_start_bidx_of_node+0x370/0x370 [ 49.648440][ T7] ? __down_write+0x119/0x320 [ 49.653098][ T7] ? has_not_enough_free_secs+0x408/0x910 [ 49.658793][ T7] f2fs_balance_fs+0x339/0x3e0 [ 49.663528][ T7] ? f2fs_commit_inmem_pages+0x280/0x280 [ 49.669134][ T7] ? f2fs_update_inode+0x10b9/0x1960 [ 49.674394][ T7] ? f2fs_put_page+0x12a/0x1b0 [ 49.679130][ T7] f2fs_write_inode+0x672/0x720 [ 49.683959][ T7] ? _raw_spin_trylock_bh+0x1d0/0x1d0 [ 49.689306][ T7] write_inode+0xf8/0x2a0 [ 49.693630][ T7] __writeback_single_inode+0x37a/0x6e0 [ 49.699154][ T7] writeback_sb_inodes+0x999/0x1700 [ 49.704327][ T7] ? queue_io+0x500/0x500 [ 49.708631][ T7] ? writeback_sb_inodes+0x1700/0x1700 [ 49.714152][ T7] ? queue_io+0x3c7/0x500 [ 49.718465][ T7] ? kmem_cache_free+0xa9/0x1f0 [ 49.723291][ T7] wb_writeback+0x42f/0xc20 [ 49.727770][ T7] ? process_one_work+0x726/0xc10 [ 49.732857][ T7] ? wb_io_lists_depopulated+0x180/0x180 [ 49.738462][ T7] ? widen_string+0x41/0x3a0 [ 49.743032][ T7] ? __kasan_check_write+0x14/0x20 [ 49.748115][ T7] wb_do_writeback+0x222/0xbd0 [ 49.752861][ T7] ? wb_workfn+0x3f0/0x3f0 [ 49.757251][ T7] ? compat_start_thread+0x80/0x80 [ 49.762338][ T7] ? psi_group_change+0x7cc/0xdf0 [ 49.767332][ T7] ? set_worker_desc+0x158/0x1c0 [ 49.772240][ T7] ? work_busy+0x250/0x250 [ 49.776645][ T7] ? finish_task_switch+0x130/0x580 [ 49.781816][ T7] ? __switch_to_asm+0x34/0x60 [ 49.786552][ T7] ? kthread_data+0x52/0xc0 [ 49.791027][ T7] wb_workfn+0xf8/0x3f0 [ 49.795278][ T7] process_one_work+0x726/0xc10 [ 49.800373][ T7] worker_thread+0xb27/0x1550 [ 49.805026][ T7] kthread+0x349/0x3d0 [ 49.809071][ T7] ? worker_clr_flags+0x180/0x180 [ 49.814070][ T7] ? kthread_blkcg+0xd0/0xd0 [ 49.818636][ T7] ret_from_fork+0x1f/0x30 [ 49.823021][ T7] [ 49.825325][ T7] Allocated by task 1: [ 49.829367][ T7] __kasan_slab_alloc+0xb2/0xe0 [ 49.834191][ T7] kmem_cache_alloc+0x16c/0x300 [ 49.839026][ T7] __kernfs_new_node+0xdb/0x6e0 [ 49.844108][ T7] kernfs_create_dir_ns+0x9b/0x230 [ 49.849191][ T7] internal_create_group+0x29d/0xf50 [ 49.854709][ T7] sysfs_create_group+0x1f/0x30 [ 49.859534][ T7] dpm_sysfs_add+0x5d/0x290 [ 49.864009][ T7] device_add+0x52c/0xbd0 [ 49.868310][ T7] acpi_device_add+0x973/0xd60 [ 49.873046][ T7] acpi_add_single_object+0x1191/0x18d0 [ 49.878566][ T7] acpi_bus_check_add+0x42b/0xef0 [ 49.883566][ T7] acpi_ns_walk_namespace+0x242/0x4ad [ 49.888996][ T7] acpi_walk_namespace+0xf2/0x121 [ 49.893995][ T7] acpi_bus_scan+0xd1/0x150 [ 49.898474][ T7] acpi_scan_init+0x261/0x7fe [ 49.903124][ T7] acpi_init+0x173/0x226 [ 49.907436][ T7] do_one_initcall+0x1b5/0x610 [ 49.912180][ T7] do_initcall_level+0x192/0x2f0 [ 49.917091][ T7] do_initcalls+0x50/0x94 [ 49.921404][ T7] do_basic_setup+0x88/0x91 [ 49.925880][ T7] kernel_init_freeable+0x2ba/0x3f1 [ 49.931051][ T7] kernel_init+0x11/0x290 [ 49.935355][ T7] ret_from_fork+0x1f/0x30 [ 49.939737][ T7] [ 49.942043][ T7] The buggy address belongs to the object at ffff8881085f54b0 [ 49.942043][ T7] which belongs to the cache kernfs_node_cache of size 136 [ 49.956589][ T7] The buggy address is located 48 bytes to the right of [ 49.956589][ T7] 136-byte region [ffff8881085f54b0, ffff8881085f5538) [ 49.970268][ T7] The buggy address belongs to the page: [ 49.975986][ T7] page:ffffea0004217d40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1085f5 [ 49.986199][ T7] flags: 0x8000000000000200(slab) [ 49.991204][ T7] raw: 8000000000000200 dead000000000100 dead000000000122 ffff88810017c180 [ 49.999855][ T7] raw: 0000000000000000 0000000000140014 00000001ffffffff 0000000000000000 [ 50.008405][ T7] page dumped because: kasan: bad access detected [ 50.014792][ T7] page_owner tracks the page as allocated [ 50.020495][ T7] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 1118880235, free_ts 1088263818 [ 50.036082][ T7] get_page_from_freelist+0x755/0x810 [ 50.041530][ T7] __alloc_pages_nodemask+0x3b6/0x890 [ 50.046875][ T7] allocate_slab+0x78/0x540 [ 50.051355][ T7] ___slab_alloc+0x131/0x2e0 [ 50.055915][ T7] __slab_alloc+0x63/0xa0 [ 50.060224][ T7] kmem_cache_alloc+0x1ef/0x300 [ 50.065135][ T7] __kernfs_new_node+0xdb/0x6e0 [ 50.069955][ T7] kernfs_new_node+0x97/0x170 [ 50.074612][ T7] __kernfs_create_file+0x4a/0x270 [ 50.079697][ T7] sysfs_add_file_mode_ns+0x273/0x320 [ 50.085038][ T7] sysfs_merge_group+0x207/0x460 [ 50.089949][ T7] dpm_sysfs_add+0xcf/0x290 [ 50.094424][ T7] device_add+0x52c/0xbd0 [ 50.098725][ T7] acpi_device_add+0x973/0xd60 [ 50.103461][ T7] acpi_add_single_object+0x1191/0x18d0 [ 50.108976][ T7] acpi_bus_check_add+0x42b/0xef0 [ 50.113969][ T7] page last free stack trace: [ 50.118620][ T7] free_pcp_prepare+0x18c/0x1c0 [ 50.123566][ T7] __free_pages+0x390/0x570 [ 50.128040][ T7] __free_slab+0xd3/0x190 [ 50.132342][ T7] unfreeze_partials+0x17d/0x1b0 [ 50.137253][ T7] flush_cpu_slab+0x4b/0x70 [ 50.141730][ T7] flush_smp_call_function_queue+0x21b/0x690 [ 50.147681][ T7] generic_smp_call_function_single_interrupt+0x13/0x20 [ 50.154610][ T7] __sysvec_call_function_single+0x66/0x1b0 [ 50.160476][ T7] asm_call_irq_on_stack+0xf/0x20 [ 50.165474][ T7] sysvec_call_function_single+0x85/0xe0 [ 50.171090][ T7] asm_sysvec_call_function_single+0x12/0x20 [ 50.177041][ T7] default_idle+0x12/0x20 [ 50.181345][ T7] arch_cpu_idle+0xa/0x10 [ 50.185654][ T7] default_idle_call+0x72/0x1d0 [ 50.190480][ T7] do_idle+0x1fc/0x5d0 [ 50.194536][ T7] cpu_startup_entry+0x25/0x30 [ 50.199267][ T7] [ 50.201573][ T7] Memory state around the buggy address: [ 50.207177][ T7] ffff8881085f5400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 50.215218][ T7] ffff8881085f5480: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00 [ 50.223256][ T7] >ffff8881085f5500: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc 00 [ 50.231286][ T7] ^ [ 50.238715][ T7] ffff8881085f5580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 50.246749][ T7] ffff8881085f5600: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 50.254781][ T7] ================================================================== [ 50.262812][ T7] Disabling lock debugging due to kernel taint executing program [ 50.414500][ T373] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 50.422428][ T373] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 50.431607][ T373] F2FS-fs (loop0): invalid crc_offset: 0 [ 50.438141][ T373] F2FS-fs (loop0): Found nat_bits in checkpoint [ 50.458184][ T373] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 50.465315][ T373] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 50.811663][ T379] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 50.819320][ T379] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 50.828492][ T379] F2FS-fs (loop0): invalid crc_offset: 0 [ 50.835409][ T379] F2FS-fs (loop0): Found nat_bits in checkpoint [ 50.855670][ T379] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 50.863083][ T379] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 51.231588][ T385] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 51.239249][ T385] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 51.248232][ T385] F2FS-fs (loop0): invalid crc_offset: 0 [ 51.254923][ T385] F2FS-fs (loop0): Found nat_bits in checkpoint [ 51.274909][ T385] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 51.281978][ T385] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 51.641225][ T391] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 51.648889][ T391] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 51.657868][ T391] F2FS-fs (loop0): invalid crc_offset: 0 [ 51.664611][ T391] F2FS-fs (loop0): Found nat_bits in checkpoint [ 51.684888][ T391] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 51.691977][ T391] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 52.092337][ T397] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 52.100015][ T397] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 52.108952][ T397] F2FS-fs (loop0): invalid crc_offset: 0 [ 52.116408][ T397] F2FS-fs (loop0): Found nat_bits in checkpoint [ 52.136303][ T397] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 52.143403][ T397] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 52.531705][ T403] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 52.539640][ T403] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 52.548623][ T403] F2FS-fs (loop0): invalid crc_offset: 0 [ 52.555619][ T403] F2FS-fs (loop0): Found nat_bits in checkpoint [ 52.575632][ T403] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 52.582722][ T403] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 52.941217][ T409] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 52.948880][ T409] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 52.958165][ T409] F2FS-fs (loop0): invalid crc_offset: 0 [ 52.964976][ T409] F2FS-fs (loop0): Found nat_bits in checkpoint [ 52.984968][ T409] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 52.992071][ T409] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 53.352193][ T415] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 53.359894][ T415] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 53.369154][ T415] F2FS-fs (loop0): invalid crc_offset: 0 [ 53.376362][ T415] F2FS-fs (loop0): Found nat_bits in checkpoint [ 53.396245][ T415] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 53.403312][ T415] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 53.754655][ T421] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 53.762398][ T421] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 53.771404][ T421] F2FS-fs (loop0): invalid crc_offset: 0 [ 53.777977][ T421] F2FS-fs (loop0): Found nat_bits in checkpoint [ 53.798101][ T421] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 53.805207][ T421] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 54.215355][ T427] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 54.223498][ T427] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 54.232671][ T427] F2FS-fs (loop0): invalid crc_offset: 0 [ 54.239193][ T427] F2FS-fs (loop0): Found nat_bits in checkpoint [ 54.258921][ T427] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 54.265970][ T427] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 54.651423][ T433] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 54.659126][ T433] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 54.668474][ T433] F2FS-fs (loop0): invalid crc_offset: 0 [ 54.675236][ T433] F2FS-fs (loop0): Found nat_bits in checkpoint [ 54.695575][ T433] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 54.702661][ T433] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 55.131416][ T439] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 55.139117][ T439] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 55.148335][ T439] F2FS-fs (loop0): invalid crc_offset: 0 [ 55.155033][ T439] F2FS-fs (loop0): Found nat_bits in checkpoint [ 55.175163][ T439] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 55.182205][ T439] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 55.541766][ T445] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 55.549472][ T445] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 55.558666][ T445] F2FS-fs (loop0): invalid crc_offset: 0 [ 55.565834][ T445] F2FS-fs (loop0): Found nat_bits in checkpoint [ 55.585724][ T445] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 55.592770][ T445] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 56.011569][ T451] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 56.019268][ T451] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 56.028305][ T451] F2FS-fs (loop0): invalid crc_offset: 0 [ 56.035239][ T451] F2FS-fs (loop0): Found nat_bits in checkpoint [ 56.055466][ T451] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 56.062543][ T451] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 56.431328][ T457] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 56.438989][ T457] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 56.448137][ T457] F2FS-fs (loop0): invalid crc_offset: 0 [ 56.455069][ T457] F2FS-fs (loop0): Found nat_bits in checkpoint [ 56.475136][ T457] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 56.482207][ T457] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 56.891354][ T463] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 56.899061][ T463] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 56.908374][ T463] F2FS-fs (loop0): invalid crc_offset: 0 [ 56.915070][ T463] F2FS-fs (loop0): Found nat_bits in checkpoint [ 56.935086][ T463] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 56.942141][ T463] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 57.331228][ T469] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 57.338973][ T469] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 57.348193][ T469] F2FS-fs (loop0): invalid crc_offset: 0 [ 57.354878][ T469] F2FS-fs (loop0): Found nat_bits in checkpoint [ 57.375135][ T469] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 57.382291][ T469] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 57.762156][ T475] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 57.769874][ T475] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 57.779408][ T475] F2FS-fs (loop0): invalid crc_offset: 0 [ 57.786163][ T475] F2FS-fs (loop0): Found nat_bits in checkpoint [ 57.806428][ T475] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 57.813515][ T475] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 58.211734][ T481] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 58.219445][ T481] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 58.228818][ T481] F2FS-fs (loop0): invalid crc_offset: 0 [ 58.235733][ T481] F2FS-fs (loop0): Found nat_bits in checkpoint [ 58.255738][ T481] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 58.263080][ T481] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 58.621506][ T487] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 58.629214][ T487] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 58.638240][ T487] F2FS-fs (loop0): invalid crc_offset: 0 [ 58.645007][ T487] F2FS-fs (loop0): Found nat_bits in checkpoint [ 58.664988][ T487] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 58.672229][ T487] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1 executing program [ 59.051304][ T493] F2FS-fs (loop0): Invalid log_blocksize (16), supports only 12 [ 59.059009][ T493] F2FS-fs (loop0): Can't find valid F2FS filesystem in 1th superblock [ 59.068011][ T493] F2FS-fs (loop0): invalid crc_offset: 0 [ 59.074980][ T493] F2FS-fs (loop0): Found nat_bits in checkpoint [ 59.095305][ T493] F2FS-fs (loop0): Try to recover 1th superblock, ret: 0 [ 59.102398][ T493] F2FS-fs (loop0): Mounted with checkpoint version = 3e17dab1