[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.72' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 79.526948][ T6697] loop0: detected capacity change from 0 to 4096 [ 79.544564][ T6697] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 79.558887][ T6697] EXT4-fs (loop0): get root inode failed [ 79.565034][ T6697] EXT4-fs (loop0): mount failed [ 79.639206][ T6697] [ 79.641606][ T6697] ====================================================== [ 79.649141][ T6697] WARNING: possible circular locking dependency detected [ 79.656919][ T6697] 5.14.0-rc3-next-20210729-syzkaller #0 Not tainted [ 79.663676][ T6697] ------------------------------------------------------ [ 79.670904][ T6697] syz-executor258/6697 is trying to acquire lock: [ 79.677308][ T6697] ffff88807dbec138 ((wq_completion)loop0){+.+.}-{0:0}, at: flush_workqueue+0xe1/0x1600 [ 79.687226][ T6697] [ 79.687226][ T6697] but task is already holding lock: [ 79.694580][ T6697] ffff88801d535468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaf/0x15e0 [ 79.703447][ T6697] [ 79.703447][ T6697] which lock already depends on the new lock. [ 79.703447][ T6697] [ 79.714109][ T6697] [ 79.714109][ T6697] the existing dependency chain (in reverse order) is: [ 79.723128][ T6697] [ 79.723128][ T6697] -> #6 (&lo->lo_mutex){+.+.}-{3:3}: [ 79.730674][ T6697] __mutex_lock+0x131/0x1300 [ 79.735788][ T6697] loop_control_ioctl+0x22f/0x450 [ 79.741327][ T6697] __x64_sys_ioctl+0x193/0x200 [ 79.746610][ T6697] do_syscall_64+0x35/0xb0 [ 79.751537][ T6697] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.758238][ T6697] [ 79.758238][ T6697] -> #5 (loop_ctl_mutex){+.+.}-{3:3}: [ 79.766078][ T6697] __mutex_lock+0x131/0x1300 [ 79.771186][ T6697] loop_add+0x9c/0x940 [ 79.775764][ T6697] loop_probe+0x6a/0x80 [ 79.780440][ T6697] blk_request_module+0x111/0x1d0 [ 79.785990][ T6697] blkdev_get_no_open+0x178/0x1e0 [ 79.791572][ T6697] blkdev_get_by_dev.part.0+0x23/0xd40 [ 79.797555][ T6697] blkdev_open+0x295/0x300 [ 79.802628][ T6697] do_dentry_open+0x4c8/0x11d0 [ 79.807923][ T6697] path_openat+0x1c23/0x27f0 [ 79.813025][ T6697] do_filp_open+0x1aa/0x400 [ 79.818081][ T6697] do_sys_openat2+0x16d/0x420 [ 79.823281][ T6697] __x64_sys_open+0x119/0x1c0 [ 79.828466][ T6697] do_syscall_64+0x35/0xb0 [ 79.833389][ T6697] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.839798][ T6697] [ 79.839798][ T6697] -> #4 (major_names_lock){+.+.}-{3:3}: [ 79.847686][ T6697] __mutex_lock+0x131/0x1300 [ 79.852835][ T6697] blkdev_show+0x27/0x160 [ 79.857687][ T6697] devinfo_show+0xc1/0xf0 [ 79.862554][ T6697] seq_read_iter+0xbb0/0x1240 [ 79.867738][ T6697] proc_reg_read_iter+0x1fb/0x2d0 [ 79.873284][ T6697] new_sync_read+0x41e/0x6e0 [ 79.878383][ T6697] vfs_read+0x35c/0x570 [ 79.883054][ T6697] ksys_read+0x12d/0x250 [ 79.887805][ T6697] do_syscall_64+0x35/0xb0 [ 79.892818][ T6697] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.899325][ T6697] [ 79.899325][ T6697] -> #3 (&p->lock){+.+.}-{3:3}: [ 79.906365][ T6697] __mutex_lock+0x131/0x1300 [ 79.912002][ T6697] seq_read_iter+0xdf/0x1240 [ 79.917326][ T6697] generic_file_splice_read+0x450/0x6c0 [ 79.923401][ T6697] do_splice_to+0x1bf/0x250 [ 79.928786][ T6697] splice_direct_to_actor+0x2c2/0x8c0 [ 79.934691][ T6697] do_splice_direct+0x1b3/0x280 [ 79.941019][ T6697] do_sendfile+0x9f0/0x1120 [ 79.946054][ T6697] __x64_sys_sendfile64+0x1cc/0x210 [ 79.951777][ T6697] do_syscall_64+0x35/0xb0 [ 79.956718][ T6697] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.963145][ T6697] [ 79.963145][ T6697] -> #2 (sb_writers#3){.+.+}-{0:0}: [ 79.970541][ T6697] lo_write_bvec+0x3b6/0x6d0 [ 79.975657][ T6697] loop_process_work+0xc60/0x24e0 [ 79.981189][ T6697] process_one_work+0x98d/0x1630 [ 79.986655][ T6697] worker_thread+0x658/0x11f0 [ 79.991863][ T6697] kthread+0x3e5/0x4d0 [ 79.996448][ T6697] ret_from_fork+0x1f/0x30 [ 80.001482][ T6697] [ 80.001482][ T6697] -> #1 ((work_completion)(&lo->rootcg_work)){+.+.}-{0:0}: [ 80.010866][ T6697] process_one_work+0x8fc/0x1630 [ 80.016321][ T6697] worker_thread+0x658/0x11f0 [ 80.021625][ T6697] kthread+0x3e5/0x4d0 [ 80.026328][ T6697] ret_from_fork+0x1f/0x30 [ 80.031255][ T6697] [ 80.031255][ T6697] -> #0 ((wq_completion)loop0){+.+.}-{0:0}: [ 80.039800][ T6697] __lock_acquire+0x2a07/0x54a0 [ 80.045274][ T6697] lock_acquire+0x1ab/0x510 [ 80.050442][ T6697] flush_workqueue+0x110/0x1600 [ 80.056001][ T6697] drain_workqueue+0x1a5/0x3c0 [ 80.061320][ T6697] destroy_workqueue+0x71/0x800 [ 80.066776][ T6697] __loop_clr_fd+0x212/0x15e0 [ 80.071974][ T6697] lo_ioctl+0x3c3/0x1880 [ 80.076813][ T6697] blkdev_ioctl+0x2a1/0x6d0 [ 80.081960][ T6697] block_ioctl+0xf9/0x140 [ 80.086911][ T6697] __x64_sys_ioctl+0x193/0x200 [ 80.092192][ T6697] do_syscall_64+0x35/0xb0 [ 80.097227][ T6697] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 80.103767][ T6697] [ 80.103767][ T6697] other info that might help us debug this: [ 80.103767][ T6697] [ 80.113981][ T6697] Chain exists of: [ 80.113981][ T6697] (wq_completion)loop0 --> loop_ctl_mutex --> &lo->lo_mutex [ 80.113981][ T6697] [ 80.127310][ T6697] Possible unsafe locking scenario: [ 80.127310][ T6697] [ 80.134746][ T6697] CPU0 CPU1 [ 80.140309][ T6697] ---- ---- [ 80.145678][ T6697] lock(&lo->lo_mutex); [ 80.149915][ T6697] lock(loop_ctl_mutex); [ 80.156831][ T6697] lock(&lo->lo_mutex); [ 80.163575][ T6697] lock((wq_completion)loop0); [ 80.168492][ T6697] [ 80.168492][ T6697] *** DEADLOCK *** [ 80.168492][ T6697] [ 80.176614][ T6697] 1 lock held by syz-executor258/6697: [ 80.182055][ T6697] #0: ffff88801d535468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xaf/0x15e0 [ 80.191349][ T6697] [ 80.191349][ T6697] stack backtrace: [ 80.197220][ T6697] CPU: 1 PID: 6697 Comm: syz-executor258 Not tainted 5.14.0-rc3-next-20210729-syzkaller #0 [ 80.207357][ T6697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.217488][ T6697] Call Trace: [ 80.220770][ T6697] dump_stack_lvl+0xcd/0x134 [ 80.225366][ T6697] check_noncircular+0x25f/0x2e0 [ 80.230326][ T6697] ? print_circular_bug+0x1e0/0x1e0 [ 80.235508][ T6697] ? stack_trace_save+0x8c/0xc0 [ 80.240356][ T6697] ? stack_trace_consume_entry+0x160/0x160 [ 80.246150][ T6697] ? lockdep_lock+0xc6/0x200 [ 80.250813][ T6697] ? call_rcu_zapped+0xb0/0xb0 [ 80.255763][ T6697] __lock_acquire+0x2a07/0x54a0 [ 80.260612][ T6697] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 80.266865][ T6697] lock_acquire+0x1ab/0x510 [ 80.272654][ T6697] ? flush_workqueue+0xe1/0x1600 [ 80.277605][ T6697] ? lock_release+0x720/0x720 [ 80.282323][ T6697] ? lockdep_init_map_type+0x2c3/0x7b0 [ 80.288138][ T6697] ? lockdep_init_map_type+0x2c3/0x7b0 [ 80.293972][ T6697] flush_workqueue+0x110/0x1600 [ 80.298857][ T6697] ? flush_workqueue+0xe1/0x1600 [ 80.303800][ T6697] ? __mutex_lock+0x21c/0x1300 [ 80.308818][ T6697] ? check_flush_dependency+0x400/0x400 [ 80.314366][ T6697] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 80.319996][ T6697] ? lockdep_hardirqs_on+0x79/0x100 [ 80.325205][ T6697] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 80.331099][ T6697] drain_workqueue+0x1a5/0x3c0 [ 80.335882][ T6697] destroy_workqueue+0x71/0x800 [ 80.340745][ T6697] __loop_clr_fd+0x212/0x15e0 [ 80.345420][ T6697] ? lock_downgrade+0x6e0/0x6e0 [ 80.350278][ T6697] lo_ioctl+0x3c3/0x1880 [ 80.354512][ T6697] ? loop_set_status_old+0x250/0x250 [ 80.359812][ T6697] ? find_held_lock+0x2d/0x110 [ 80.364558][ T6697] ? tomoyo_path_number_perm+0x204/0x590 [ 80.370304][ T6697] ? lock_downgrade+0x6e0/0x6e0 [ 80.375263][ T6697] ? tomoyo_path_number_perm+0x441/0x590 [ 80.380884][ T6697] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 80.387142][ T6697] ? tomoyo_path_number_perm+0x24e/0x590 [ 80.392774][ T6697] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 80.398587][ T6697] ? __lock_acquire+0x162f/0x54a0 [ 80.404041][ T6697] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 80.410036][ T6697] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 80.416001][ T6697] ? blkdev_common_ioctl+0x12a/0x18c0 [ 80.421395][ T6697] ? vfs_fileattr_set+0xb50/0xb50 [ 80.426481][ T6697] ? blk_ioctl_discard+0x2e0/0x2e0 [ 80.431802][ T6697] ? find_held_lock+0x2d/0x110 [ 80.436557][ T6697] ? loop_set_status_old+0x250/0x250 [ 80.441940][ T6697] blkdev_ioctl+0x2a1/0x6d0 [ 80.446438][ T6697] ? blkdev_common_ioctl+0x18c0/0x18c0 [ 80.452000][ T6697] block_ioctl+0xf9/0x140 [ 80.456786][ T6697] ? bd_unlink_disk_holder+0x430/0x430 [ 80.462244][ T6697] __x64_sys_ioctl+0x193/0x200 [ 80.467013][ T6697] do_syscall_64+0x35/0xb0 [ 80.471426][ T6697] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 80.477315][ T6697] RIP: 0033:0x444717 [ 80.481427][ T6697] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 44 3a 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 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 [ 80.501216][ T6697] RSP: 002b:00007fffab8ca568 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.509637][ T6697] RAX: ffffffffffffffda RBX: 00000000016232c0 RCX: 0000000000444717 [ 80.517605][ T6697] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000007 [ 80.525759][ T6697] RBP: 0000000000000075 R08: 00007fffab8ca5c0 R09: 0000000000000000 [ 80.534678][ T6697] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200002a8 executing program [ 80.542638][ T6697] R13: 0000000000000006 R14: 0000000000000007 R15: 0000000000000007 [ 80.582286][ T6705] loop0: detected capacity change from 0 to 4096 [ 80.602489][ T6705] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 80.616125][ T6705] EXT4-fs (loop0): get root inode failed [ 80.622277][ T6705] EXT4-fs (loop0): mount failed executing program executing program [ 80.721848][ T6711] loop0: detected capacity change from 0 to 4096 [ 80.730826][ T6711] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 80.743880][ T6711] EXT4-fs (loop0): get root inode failed [ 80.750649][ T6711] EXT4-fs (loop0): mount failed [ 80.804091][ T6718] loop0: detected capacity change from 0 to 4096 [ 80.813613][ T6718] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 80.827169][ T6718] EXT4-fs (loop0): get root inode failed [ 80.833817][ T6718] EXT4-fs (loop0): mount failed executing program executing program executing program executing program executing program executing program [ 81.194817][ T6744] loop0: detected capacity change from 0 to 4096 [ 81.204651][ T6744] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 81.218937][ T6744] EXT4-fs (loop0): get root inode failed [ 81.229410][ T6744] EXT4-fs (loop0): mount failed [ 81.293083][ T6749] loop0: detected capacity change from 0 to 4096 [ 81.319440][ T6749] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 81.334184][ T6749] EXT4-fs (loop0): get root inode failed executing program executing program [ 81.342142][ T6749] EXT4-fs (loop0): mount failed executing program [ 81.404346][ T6763] loop0: detected capacity change from 0 to 4096 [ 81.414135][ T6763] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 81.428034][ T6763] EXT4-fs (loop0): get root inode failed [ 81.433816][ T6763] EXT4-fs (loop0): mount failed executing program executing program executing program executing program executing program [ 81.715205][ T6792] loop0: detected capacity change from 0 to 4096 [ 81.725153][ T6792] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 81.743556][ T6792] EXT4-fs (loop0): get root inode failed [ 81.749720][ T6792] EXT4-fs (loop0): mount failed [ 81.821892][ T6797] loop0: detected capacity change from 0 to 4096 [ 81.846679][ T6797] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 81.861128][ T6797] EXT4-fs (loop0): get root inode failed [ 81.866881][ T6797] EXT4-fs (loop0): mount failed executing program executing program [ 81.927116][ T6811] loop0: detected capacity change from 0 to 4096 [ 81.936525][ T6811] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 81.950565][ T6811] EXT4-fs (loop0): get root inode failed [ 81.956708][ T6811] EXT4-fs (loop0): mount failed executing program [ 82.040044][ T6815] loop0: detected capacity change from 0 to 4096 [ 82.050516][ T6815] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 82.064741][ T6815] EXT4-fs (loop0): get root inode failed [ 82.071929][ T6815] EXT4-fs (loop0): mount failed [ 82.123520][ T6823] loop0: detected capacity change from 0 to 4096 [ 82.134532][ T6823] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 82.153155][ T6823] EXT4-fs (loop0): get root inode failed executing program [ 82.171897][ T6823] EXT4-fs (loop0): mount failed executing program [ 82.217322][ T6837] loop0: detected capacity change from 0 to 4096 [ 82.227125][ T6837] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 82.241093][ T6837] EXT4-fs (loop0): get root inode failed [ 82.247025][ T6837] EXT4-fs (loop0): mount failed [ 82.331827][ T6841] loop0: detected capacity change from 0 to 4096 [ 82.341968][ T6841] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 82.355779][ T6841] EXT4-fs (loop0): get root inode failed [ 82.362512][ T6841] EXT4-fs (loop0): mount failed executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 82.805259][ T6883] loop0: detected capacity change from 0 to 4096 [ 82.815694][ T6883] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 82.834502][ T6883] EXT4-fs (loop0): get root inode failed [ 82.840669][ T6883] EXT4-fs (loop0): mount failed [ 82.910115][ T6889] loop0: detected capacity change from 0 to 4096 [ 82.919330][ T6889] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 82.932113][ T6889] EXT4-fs (loop0): get root inode failed [ 82.938199][ T6889] EXT4-fs (loop0): mount failed executing program executing program [ 83.022207][ T6899] loop0: detected capacity change from 0 to 4096 [ 83.030647][ T6899] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.043822][ T6899] EXT4-fs (loop0): get root inode failed [ 83.050000][ T6899] EXT4-fs (loop0): mount failed [ 83.101729][ T6906] loop0: detected capacity change from 0 to 4096 [ 83.111370][ T6906] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.125346][ T6906] EXT4-fs (loop0): get root inode failed [ 83.132186][ T6906] EXT4-fs (loop0): mount failed executing program executing program [ 83.232653][ T6913] loop0: detected capacity change from 0 to 4096 [ 83.242299][ T6913] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.256067][ T6913] EXT4-fs (loop0): get root inode failed [ 83.262669][ T6913] EXT4-fs (loop0): mount failed executing program [ 83.329819][ T6918] loop0: detected capacity change from 0 to 4096 [ 83.339547][ T6918] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.353478][ T6918] EXT4-fs (loop0): get root inode failed [ 83.359909][ T6918] EXT4-fs (loop0): mount failed executing program [ 83.418734][ T6927] loop0: detected capacity change from 0 to 4096 [ 83.432933][ T6927] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.445676][ T6927] EXT4-fs (loop0): get root inode failed [ 83.451429][ T6927] EXT4-fs (loop0): mount failed executing program [ 83.519225][ T6938] loop0: detected capacity change from 0 to 4096 [ 83.530673][ T6938] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.543671][ T6938] EXT4-fs (loop0): get root inode failed [ 83.550287][ T6938] EXT4-fs (loop0): mount failed executing program [ 83.597117][ T6948] loop0: detected capacity change from 0 to 4096 [ 83.608958][ T6948] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.622534][ T6948] EXT4-fs (loop0): get root inode failed [ 83.629704][ T6948] EXT4-fs (loop0): mount failed [ 83.691889][ T6952] loop0: detected capacity change from 0 to 4096 [ 83.703133][ T6952] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.717163][ T6952] EXT4-fs (loop0): get root inode failed [ 83.723819][ T6952] EXT4-fs (loop0): mount failed executing program executing program executing program executing program [ 83.887128][ T6971] loop0: detected capacity change from 0 to 4096 [ 83.897775][ T6971] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 83.911004][ T6971] EXT4-fs (loop0): get root inode failed [ 83.916753][ T6971] EXT4-fs (loop0): mount failed executing program [ 83.982989][ T6976] loop0: detected capacity change from 0 to 4096 [ 84.006422][ T6976] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 84.021376][ T6976] EXT4-fs (loop0): get root inode failed [ 84.027421][ T6976] EXT4-fs (loop0): mount failed [ 84.114798][ T6987] loop0: detected capacity change from 0 to 4096 [ 84.138808][ T6987] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated executing program [ 84.168086][ T6987] EXT4-fs (loop0): get root inode failed [ 84.173911][ T6987] EXT4-fs (loop0): mount failed executing program executing program executing program executing program [ 84.385985][ T7013] loop0: detected capacity change from 0 to 4096 [ 84.395671][ T7013] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 84.409919][ T7013] EXT4-fs (loop0): get root inode failed [ 84.416126][ T7013] EXT4-fs (loop0): mount failed executing program executing program [ 84.529670][ T7021] loop0: detected capacity change from 0 to 4096 [ 84.539250][ T7021] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 84.552019][ T7021] EXT4-fs (loop0): get root inode failed [ 84.558064][ T7021] EXT4-fs (loop0): mount failed executing program [ 84.610147][ T7028] loop0: detected capacity change from 0 to 4096 [ 84.621047][ T7028] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 84.633836][ T7028] EXT4-fs (loop0): get root inode failed [ 84.640876][ T7028] EXT4-fs (loop0): mount failed executing program executing program executing program [ 84.883013][ T7051] loop0: detected capacity change from 0 to 4096 [ 84.894348][ T7051] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 84.908347][ T7051] EXT4-fs (loop0): get root inode failed [ 84.915030][ T7051] EXT4-fs (loop0): mount failed executing program executing program executing program executing program [ 85.098792][ T7067] loop0: detected capacity change from 0 to 4096 [ 85.108544][ T7067] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.121789][ T7067] EXT4-fs (loop0): get root inode failed [ 85.127646][ T7067] EXT4-fs (loop0): mount failed executing program [ 85.208696][ T7073] loop0: detected capacity change from 0 to 4096 [ 85.219626][ T7073] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.232198][ T7073] EXT4-fs (loop0): get root inode failed [ 85.238351][ T7073] EXT4-fs (loop0): mount failed executing program [ 85.285433][ T7086] loop0: detected capacity change from 0 to 4096 [ 85.306138][ T7086] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.324453][ T7086] EXT4-fs (loop0): get root inode failed [ 85.330554][ T7086] EXT4-fs (loop0): mount failed executing program executing program [ 85.399590][ T7094] loop0: detected capacity change from 0 to 4096 [ 85.409790][ T7094] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.423342][ T7094] EXT4-fs (loop0): get root inode failed [ 85.429491][ T7094] EXT4-fs (loop0): mount failed executing program executing program executing program executing program executing program [ 85.704963][ T7116] loop0: detected capacity change from 0 to 4096 [ 85.713719][ T7116] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.726442][ T7116] EXT4-fs (loop0): get root inode failed [ 85.733845][ T7116] EXT4-fs (loop0): mount failed executing program [ 85.790462][ T7123] loop0: detected capacity change from 0 to 4096 [ 85.799469][ T7123] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.813202][ T7123] EXT4-fs (loop0): get root inode failed [ 85.819583][ T7123] EXT4-fs (loop0): mount failed executing program [ 85.867051][ T7132] loop0: detected capacity change from 0 to 4096 [ 85.885467][ T7132] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.898971][ T7132] EXT4-fs (loop0): get root inode failed [ 85.905191][ T7132] EXT4-fs (loop0): mount failed executing program [ 85.959244][ T7137] loop0: detected capacity change from 0 to 4096 [ 85.968321][ T7137] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 85.981233][ T7137] EXT4-fs (loop0): get root inode failed [ 85.987066][ T7137] EXT4-fs (loop0): mount failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 86.720679][ T7195] loop0: detected capacity change from 0 to 4096 [ 86.730201][ T7195] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 86.749995][ T7195] EXT4-fs (loop0): get root inode failed [ 86.755772][ T7195] EXT4-fs (loop0): mount failed executing program executing program [ 86.856154][ T7207] loop0: detected capacity change from 0 to 4096 [ 86.865582][ T7207] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 86.879619][ T7207] EXT4-fs (loop0): get root inode failed [ 86.885417][ T7207] EXT4-fs (loop0): mount failed executing program executing program [ 86.941820][ T7211] loop0: detected capacity change from 0 to 4096 [ 86.956989][ T7211] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 86.970546][ T7211] EXT4-fs (loop0): get root inode failed [ 86.976302][ T7211] EXT4-fs (loop0): mount failed executing program [ 87.071520][ T7222] loop0: detected capacity change from 0 to 4096 [ 87.080634][ T7222] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.094651][ T7222] EXT4-fs (loop0): get root inode failed [ 87.100608][ T7222] EXT4-fs (loop0): mount failed executing program [ 87.145214][ T7234] loop0: detected capacity change from 0 to 4096 [ 87.165385][ T7234] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.179700][ T7234] EXT4-fs (loop0): get root inode failed [ 87.186054][ T7234] EXT4-fs (loop0): mount failed executing program executing program executing program [ 87.302075][ T7243] loop0: detected capacity change from 0 to 4096 [ 87.311622][ T7243] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.332135][ T7243] EXT4-fs (loop0): get root inode failed [ 87.338836][ T7243] EXT4-fs (loop0): mount failed executing program [ 87.418550][ T7251] loop0: detected capacity change from 0 to 4096 [ 87.428265][ T7251] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.441233][ T7251] EXT4-fs (loop0): get root inode failed [ 87.447557][ T7251] EXT4-fs (loop0): mount failed executing program [ 87.511598][ T7259] loop0: detected capacity change from 0 to 4096 [ 87.521145][ T7259] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.534339][ T7259] EXT4-fs (loop0): get root inode failed [ 87.541552][ T7259] EXT4-fs (loop0): mount failed [ 87.591206][ T7271] loop0: detected capacity change from 0 to 4096 [ 87.600574][ T7271] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.613383][ T7271] EXT4-fs (loop0): get root inode failed [ 87.619976][ T7271] EXT4-fs (loop0): mount failed executing program executing program [ 87.685288][ T7278] loop0: detected capacity change from 0 to 4096 [ 87.705226][ T7278] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.717872][ T7278] EXT4-fs (loop0): get root inode failed [ 87.723737][ T7278] EXT4-fs (loop0): mount failed executing program [ 87.799220][ T7283] loop0: detected capacity change from 0 to 4096 [ 87.816780][ T7283] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.829614][ T7283] EXT4-fs (loop0): get root inode failed [ 87.835352][ T7283] EXT4-fs (loop0): mount failed executing program [ 87.879978][ T7293] loop0: detected capacity change from 0 to 4096 [ 87.889553][ T7293] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 87.903031][ T7293] EXT4-fs (loop0): get root inode failed [ 87.908923][ T7293] EXT4-fs (loop0): mount failed executing program [ 87.991635][ T7301] loop0: detected capacity change from 0 to 4096 [ 88.001438][ T7301] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.015295][ T7301] EXT4-fs (loop0): get root inode failed [ 88.024548][ T7301] EXT4-fs (loop0): mount failed [ 88.109711][ T7310] loop0: detected capacity change from 0 to 4096 [ 88.122416][ T7310] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.134831][ T7310] EXT4-fs (loop0): get root inode failed [ 88.141415][ T7310] EXT4-fs (loop0): mount failed executing program executing program executing program executing program executing program [ 88.441504][ T7334] loop0: detected capacity change from 0 to 4096 [ 88.452388][ T7334] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.465881][ T7334] EXT4-fs (loop0): get root inode failed [ 88.472484][ T7334] EXT4-fs (loop0): mount failed executing program [ 88.529628][ T7338] loop0: detected capacity change from 0 to 4096 [ 88.540421][ T7338] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.553158][ T7338] EXT4-fs (loop0): get root inode failed [ 88.559329][ T7338] EXT4-fs (loop0): mount failed executing program [ 88.633224][ T7346] loop0: detected capacity change from 0 to 4096 [ 88.643016][ T7346] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.655762][ T7346] EXT4-fs (loop0): get root inode failed [ 88.663351][ T7346] EXT4-fs (loop0): mount failed executing program [ 88.752258][ T7355] loop0: detected capacity change from 0 to 4096 [ 88.761924][ T7355] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.776289][ T7355] EXT4-fs (loop0): get root inode failed [ 88.784000][ T7355] EXT4-fs (loop0): mount failed executing program [ 88.859133][ T7366] loop0: detected capacity change from 0 to 4096 [ 88.882447][ T7366] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.895592][ T7366] EXT4-fs (loop0): get root inode failed [ 88.901503][ T7366] EXT4-fs (loop0): mount failed executing program [ 88.971888][ T7378] loop0: detected capacity change from 0 to 4096 [ 88.980789][ T7378] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 88.994448][ T7378] EXT4-fs (loop0): get root inode failed [ 89.000787][ T7378] EXT4-fs (loop0): mount failed [ 89.058132][ T7387] loop0: detected capacity change from 0 to 4096 [ 89.072482][ T7387] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 89.085383][ T7387] EXT4-fs (loop0): get root inode failed [ 89.091142][ T7387] EXT4-fs (loop0): mount failed executing program [ 89.170818][ T7396] loop0: detected capacity change from 0 to 4096 [ 89.180743][ T7396] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 89.193407][ T7396] EXT4-fs (loop0): get root inode failed [ 89.200269][ T7396] EXT4-fs (loop0): mount failed executing program executing program [ 89.273604][ T7403] loop0: detected capacity change from 0 to 4096 [ 89.283135][ T7403] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 89.296957][ T7403] EXT4-fs (loop0): get root inode failed [ 89.303483][ T7403] EXT4-fs (loop0): mount failed executing program [ 89.356388][ T7410] loop0: detected capacity change from 0 to 4096 [ 89.365857][ T7410] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 89.379645][ T7410] EXT4-fs (loop0): get root inode failed [ 89.385370][ T7410] EXT4-fs (loop0): mount failed executing program executing program [ 89.468331][ T7414] loop0: detected capacity change from 0 to 4096 [ 89.484010][ T7414] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 89.498775][ T7414] EXT4-fs (loop0): get root inode failed [ 89.504498][ T7414] EXT4-fs (loop0): mount failed [ 89.591944][ T7427] loop0: detected capacity change from 0 to 4096 [ 89.601680][ T7427] EXT4-fs error (device loop0): ext4_fill_super:4953: inode #2: comm syz-executor258: iget: root inode unallocated [ 89.615720][ T7427] EXT4-fs (loop0): get root inode failed [ 89.621691][ T7427] EXT4-fs (loop0): mount failed executing program