[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.139' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 135.718175] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 135.738501] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 135.748522] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 135.759267] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 135.763140] audit: type=1804 audit(1677821455.244:2): pid=7973 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.AiVrhC/0/file0/bus" dev="loop3" ino=18 res=1 [ 135.800528] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 135.805268] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 135.841587] EXT4-fs error (device loop5): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 135.859493] EXT4-fs error (device loop3): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 135.860567] EXT4-fs error (device loop1): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 135.889905] EXT4-fs error (device loop2): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 135.901890] audit: type=1804 audit(1677821455.254:3): pid=7977 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.m05wpK/0/file0/bus" dev="loop5" ino=18 res=1 [ 135.915564] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 135.929839] EXT4-fs error (device loop0): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 135.937935] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 135.970776] EXT4-fs error (device loop4): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 136.001312] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.014457] audit: type=1804 audit(1677821455.284:4): pid=7974 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.kTX7jt/0/file0/bus" dev="loop1" ino=18 res=1 [ 136.043810] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.056127] EXT4-fs (loop5): This should not happen!! Data will be lost [ 136.056127] [ 136.065490] EXT4-fs (loop3): This should not happen!! Data will be lost [ 136.065490] [ 136.073913] EXT4-fs (loop4): This should not happen!! Data will be lost [ 136.073913] [ 136.083895] EXT4-fs (loop5): Total free blocks count 0 [ 136.090591] EXT4-fs (loop3): Total free blocks count 0 [ 136.096709] EXT4-fs (loop5): Free/Dirty block details [ 136.102081] EXT4-fs (loop4): Total free blocks count 0 [ 136.107082] EXT4-fs (loop1): This should not happen!! Data will be lost [ 136.107082] [ 136.113739] EXT4-fs (loop3): Free/Dirty block details [ 136.121740] EXT4-fs (loop5): free_blocks=2415919104 [ 136.128078] EXT4-fs (loop4): Free/Dirty block details [ 136.133971] EXT4-fs (loop3): free_blocks=2415919104 [ 136.141238] EXT4-fs (loop5): dirty_blocks=16 [ 136.146441] EXT4-fs (loop4): free_blocks=2415919104 [ 136.151635] EXT4-fs (loop3): dirty_blocks=16 [ 136.152456] EXT4-fs (loop1): Total free blocks count 0 [ 136.157490] EXT4-fs (loop5): Block reservation details [ 136.165154] audit: type=1804 audit(1677821455.304:5): pid=7981 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.LApdkx/0/file0/bus" dev="loop2" ino=18 res=1 [ 136.168480] EXT4-fs (loop4): dirty_blocks=16 [ 136.193310] EXT4-fs (loop3): Block reservation details [ 136.195487] EXT4-fs (loop1): Free/Dirty block details [ 136.206244] EXT4-fs (loop3): i_reserved_data_blocks=1 [ 136.213741] EXT4-fs (loop5): i_reserved_data_blocks=1 [ 136.217905] EXT4-fs (loop1): free_blocks=2415919104 [ 136.225133] EXT4-fs (loop1): dirty_blocks=16 [ 136.231273] EXT4-fs (loop1): Block reservation details [ 136.238653] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.248101] EXT4-fs (loop1): i_reserved_data_blocks=1 [ 136.257566] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.267738] audit: type=1804 audit(1677821455.314:6): pid=7980 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.lGaTso/0/file0/bus" dev="loop0" ino=18 res=1 [ 136.273053] EXT4-fs (loop4): Block reservation details [ 136.299241] EXT4-fs (loop3): This should not happen!! Data will be lost [ 136.299241] [ 136.308429] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.311487] EXT4-fs (loop5): This should not happen!! Data will be lost [ 136.311487] [ 136.327085] EXT4-fs (loop1): This should not happen!! Data will be lost [ 136.327085] [ 136.338914] audit: type=1804 audit(1677821455.344:7): pid=7983 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.fMsqYI/0/file0/bus" dev="loop4" ino=18 res=1 [ 136.360616] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.373029] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.373413] EXT4-fs (loop4): i_reserved_data_blocks=1 [ 136.385636] EXT4-fs (loop0): This should not happen!! Data will be lost [ 136.385636] executing program [ 136.391019] EXT4-fs (loop2): This should not happen!! Data will be lost [ 136.391019] [ 136.398620] EXT4-fs (loop0): Total free blocks count 0 [ 136.412429] EXT4-fs (loop0): Free/Dirty block details [ 136.413864] EXT4-fs (loop2): Total free blocks count 0 [ 136.427494] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.429749] EXT4-fs (loop2): Free/Dirty block details [ 136.441793] EXT4-fs (loop0): free_blocks=2415919104 executing program [ 136.449941] EXT4-fs (loop4): This should not happen!! Data will be lost [ 136.449941] [ 136.459263] EXT4-fs (loop0): dirty_blocks=16 [ 136.460731] EXT4-fs (loop2): free_blocks=2415919104 [ 136.464439] EXT4-fs (loop0): Block reservation details [ 136.484087] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 136.487760] EXT4-fs (loop2): dirty_blocks=16 [ 136.497776] EXT4-fs (loop2): Block reservation details executing program [ 136.503755] EXT4-fs (loop2): i_reserved_data_blocks=1 executing program executing program executing program [ 136.643055] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 136.667156] audit: type=1804 audit(1677821456.154:8): pid=8037 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.AiVrhC/1/file0/bus" dev="loop3" ino=18 res=1 [ 136.691067] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 136.710073] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 136.719199] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 136.741839] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 136.750837] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 136.753315] audit: type=1804 audit(1677821456.204:9): pid=8041 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.fMsqYI/1/file0/bus" dev="loop4" ino=18 res=1 [ 136.791636] EXT4-fs error (device loop3): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 136.803288] EXT4-fs error (device loop5): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 136.806373] EXT4-fs error (device loop4): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 136.840538] EXT4-fs error (device loop1): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 136.854692] EXT4-fs error (device loop2): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 136.868998] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.869004] EXT4-fs (loop3): This should not happen!! Data will be lost [ 136.869004] [ 136.869014] EXT4-fs (loop3): Total free blocks count 0 [ 136.882173] EXT4-fs error (device loop0): ext4_mb_generate_buddy:754: group 0, [ 136.891617] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.895849] block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 136.911341] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.924952] audit: type=1804 audit(1677821456.224:10): pid=8031 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.m05wpK/1/file0/bus" dev="loop5" ino=18 res=1 [ 136.945928] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.960687] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 136.981923] EXT4-fs (loop3): Free/Dirty block details [ 136.988989] EXT4-fs (loop1): This should not happen!! Data will be lost [ 136.988989] [ 136.997891] EXT4-fs (loop3): free_blocks=2415919104 [ 137.003014] EXT4-fs (loop3): dirty_blocks=16 [ 137.008652] EXT4-fs (loop4): This should not happen!! Data will be lost [ 137.008652] [ 137.017646] EXT4-fs (loop1): Total free blocks count 0 [ 137.023221] EXT4-fs (loop3): Block reservation details [ 137.029795] EXT4-fs (loop1): Free/Dirty block details [ 137.036670] audit: type=1804 audit(1677821456.224:11): pid=8027 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor384" name="/root/syzkaller.kTX7jt/1/file0/bus" dev="loop1" ino=18 res=1 [ 137.066185] EXT4-fs (loop4): Total free blocks count 0 [ 137.072120] EXT4-fs (loop3): i_reserved_data_blocks=1 [ 137.077539] EXT4-fs (loop2): This should not happen!! Data will be lost [ 137.077539] [ 137.077550] EXT4-fs (loop2): Total free blocks count 0 [ 137.077554] EXT4-fs (loop2): Free/Dirty block details [ 137.077561] EXT4-fs (loop2): free_blocks=2415919104 [ 137.077566] EXT4-fs (loop2): dirty_blocks=16 [ 137.077571] EXT4-fs (loop2): Block reservation details [ 137.077576] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 137.084681] EXT4-fs (loop5): This should not happen!! Data will be lost [ 137.084681] [ 137.091933] EXT4-fs (loop1): free_blocks=2415919104 [ 137.131772] EXT4-fs (loop4): Free/Dirty block details [ 137.138963] EXT4-fs (loop4): free_blocks=2415919104 [ 137.155281] EXT4-fs (loop4): dirty_blocks=16 [ 137.162158] EXT4-fs (loop4): Block reservation details [ 137.175281] EXT4-fs (loop4): i_reserved_data_blocks=1 [ 137.180662] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.185350] EXT4-fs (loop5): Total free blocks count 0 [ 137.192652] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.213782] EXT4-fs (loop5): Free/Dirty block details [ 137.223609] EXT4-fs (loop2): This should not happen!! Data will be lost [ 137.223609] [ 137.232186] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.237170] EXT4-fs (loop1): dirty_blocks=16 [ 137.247591] EXT4-fs (loop0): This should not happen!! Data will be lost [ 137.247591] [ 137.257055] EXT4-fs (loop5): free_blocks=2415919104 [ 137.262234] EXT4-fs (loop4): This should not happen!! Data will be lost [ 137.262234] [ 137.264896] EXT4-fs (loop1): Block reservation details [ 137.276140] EXT4-fs (loop0): Total free blocks count 0 [ 137.277152] EXT4-fs (loop3): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.281805] EXT4-fs (loop5): dirty_blocks=16 [ 137.299012] EXT4-fs (loop1): i_reserved_data_blocks=1 [ 137.299190] EXT4-fs (loop0): Free/Dirty block details [ 137.305558] EXT4-fs (loop3): This should not happen!! Data will be lost [ 137.305558] [ 137.315732] EXT4-fs (loop0): free_blocks=2415919104 [ 137.323320] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.323451] EXT4-fs (loop5): Block reservation details [ 137.336116] EXT4-fs (loop1): This should not happen!! Data will be lost [ 137.336116] [ 137.348683] EXT4-fs (loop0): dirty_blocks=16 executing program [ 137.352570] EXT4-fs (loop5): i_reserved_data_blocks=1 [ 137.353136] EXT4-fs (loop0): Block reservation details [ 137.373338] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 137.373453] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.390376] EXT4-fs (loop5): This should not happen!! Data will be lost [ 137.390376] executing program executing program executing program executing program executing program [ 137.587737] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 137.597639] EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue [ 137.609602] EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue [ 137.625699] EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue [ 137.666333] EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue [ 137.684949] EXT4-fs error (device loop0): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 137.714979] EXT4-fs error (device loop4): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 137.719771] EXT4-fs error (device loop3): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 137.764864] ------------[ cut here ]------------ [ 137.767208] EXT4-fs error (device loop5): ext4_mb_generate_buddy:754: group 0, [ 137.769802] kernel BUG at fs/ext4/inode.c:3192! [ 137.777514] block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 137.792156] EXT4-fs error (device loop2): ext4_mb_generate_buddy:754: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 137.809224] EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue [ 137.809871] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.840300] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.855769] EXT4-fs (loop4): This should not happen!! Data will be lost [ 137.855769] [ 137.865603] EXT4-fs (loop0): This should not happen!! Data will be lost [ 137.865603] [ 137.872721] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 137.873976] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 137.879292] Modules linked in: [ 137.879301] CPU: 1 PID: 8102 Comm: syz-executor384 Not tainted 4.14.307-syzkaller #0 [ 137.879305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 137.879309] task: ffff8880aacfe4c0 task.stack: ffff8880a1058000 [ 137.879322] RIP: 0010:ext4_da_write_end+0x7b9/0x8e0 [ 137.879326] RSP: 0018:ffff8880a105f5e0 EFLAGS: 00010297 [ 137.879332] RAX: ffff8880aacfe4c0 RBX: ffff88808a41f540 RCX: ffff88808a41f330 [ 137.879336] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffea000228cf08 [ 137.879339] RBP: ffff88808a41f330 R08: 0000000000000001 R09: ffffea000228cf00 [ 137.879349] R10: ffff88808a33c07e R11: ffff8880aacfe4c0 R12: 0000000000000001 [ 137.879353] R13: 000000000000007e R14: 0000000000000001 R15: 0000000000000001 [ 137.879358] FS: 00007f3f5d07d700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 137.879362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 137.879366] CR2: 000055a24acc3cc8 CR3: 00000000a9139000 CR4: 00000000003406e0 [ 137.879373] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 137.879377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 137.879379] Call Trace: [ 137.879394] generic_perform_write+0x274/0x430 [ 137.879404] ? filemap_page_mkwrite+0x2d0/0x2d0 [ 137.879413] ? current_time+0xb0/0xb0 [ 137.879420] ? ext4_file_write_iter+0x1cc/0xd20 [ 137.879431] __generic_file_write_iter+0x227/0x590 [ 137.898729] EXT4-fs (loop4): Total free blocks count 0 [ 137.902065] ext4_file_write_iter+0x276/0xd20 [ 137.902077] ? aa_path_link+0x3a0/0x3a0 [ 137.924294] EXT4-fs (loop0): Total free blocks count 0 [ 137.927993] ? direct_splice_actor+0x115/0x160 [ 137.927999] ? splice_direct_to_actor+0x27c/0x730 [ 137.928005] ? do_splice_direct+0x164/0x210 [ 137.928014] ? ext4_file_read_iter+0x330/0x330 [ 137.928022] ? entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 137.928028] ? do_splice_direct+0x164/0x210 [ 137.928034] ? SyS_sendfile64+0xff/0x110 [ 137.928043] ? do_syscall_64+0x1d5/0x640 [ 137.936653] EXT4-fs (loop4): Free/Dirty block details [ 137.942904] ? __radix_tree_lookup+0x1b5/0x2e0 [ 137.942915] ? trace_hardirqs_on+0x10/0x10 [ 137.942925] do_iter_readv_writev+0x4cf/0x5f0 [ 137.942934] ? clone_verify_area+0x1e0/0x1e0 [ 137.954992] EXT4-fs (loop5): This should not happen!! Data will be lost [ 137.954992] [ 137.957562] ? rw_verify_area+0xe1/0x2a0 [ 137.957570] do_iter_write+0x152/0x550 [ 137.957581] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 137.964932] EXT4-fs (loop0): Free/Dirty block details [ 137.973039] vfs_iter_write+0x70/0xa0 [ 137.973049] iter_file_splice_write+0x52b/0xa90 [ 137.973061] ? splice_from_pipe_next.part.0+0x2f0/0x2f0 [ 137.981553] EXT4-fs (loop5): Total free blocks count 0 [ 137.986213] ? rw_verify_area+0xe1/0x2a0 [ 137.986221] ? splice_from_pipe_next.part.0+0x2f0/0x2f0 [ 137.986228] direct_splice_actor+0x115/0x160 [ 137.986237] splice_direct_to_actor+0x27c/0x730 [ 137.986244] ? generic_pipe_buf_nosteal+0x10/0x10 [ 137.986251] ? do_splice_to+0x140/0x140 [ 137.986259] ? rw_verify_area+0xe1/0x2a0 [ 137.996244] EXT4-fs (loop4): free_blocks=2415919104 [ 138.001558] do_splice_direct+0x164/0x210 [ 138.001567] ? splice_direct_to_actor+0x730/0x730 [ 138.001577] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 138.004186] EXT4-fs (loop0): free_blocks=2415919104 [ 138.008702] do_sendfile+0x47f/0xb30 [ 138.008711] ? do_compat_writev+0x180/0x180 [ 138.008717] ? SyS_futex+0x1da/0x290 [ 138.008726] SyS_sendfile64+0xff/0x110 [ 138.008734] ? SyS_sendfile+0x130/0x130 [ 138.008741] ? do_syscall_64+0x4c/0x640 [ 138.008747] ? SyS_sendfile+0x130/0x130 [ 138.008753] do_syscall_64+0x1d5/0x640 [ 138.008762] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 138.008769] RIP: 0033:0x7f3f5d0d1679 [ 138.019255] EXT4-fs (loop5): Free/Dirty block details [ 138.021876] RSP: 002b:00007f3f5d07d2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 138.021885] RAX: ffffffffffffffda RBX: 00007f3f5d1567a0 RCX: 00007f3f5d0d1679 [ 138.021889] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 138.021892] RBP: 00007f3f5d12384c R08: 0000000000000000 R09: 0000000000000000 [ 138.021899] R10: 0001000000201005 R11: 0000000000000246 R12: 00007f3f5d1230e0 [ 138.026918] EXT4-fs (loop4): dirty_blocks=16 [ 138.032067] R13: 0000000020000fc0 R14: 0030656c69662f2e R15: 00007f3f5d1567a8 [ 138.032076] Code: 80 3c 02 [ 138.039223] EXT4-fs (loop0): dirty_blocks=16 [ 138.040528] 00 0f 85 22 01 00 00 48 8b 85 [ 138.046636] EXT4-fs (loop5): free_blocks=2415919104 [ 138.050357] e0 00 00 00 48 85 c0 0f 85 a2 fe ff ff [ 138.056375] EXT4-fs (loop0): Block reservation details [ 138.059902] e8 33 4d 99 ff 0f 0b e9 96 fe ff ff e8 [ 138.065330] EXT4-fs (loop4): Block reservation details [ 138.069840] 27 4d 99 ff <0f> 0b 4c 89 f7 e8 8d 10 [ 138.074216] EXT4-fs (loop4): i_reserved_data_blocks=1 [ 138.078195] c3 ff e9 f5 fc ff ff e8 83 10 c3 ff e9 [ 138.078229] RIP: ext4_da_write_end+0x7b9/0x8e0 RSP: ffff8880a105f5e0 [ 138.225773] EXT4-fs error (device loop1): ext4_mb_generate_buddy:754: group 0, [ 138.227733] EXT4-fs (loop5): dirty_blocks=16 [ 138.231393] block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 138.231684] EXT4-fs (loop2): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 138.235615] EXT4-fs (loop0): i_reserved_data_blocks=1 [ 138.240979] EXT4-fs (loop2): This should not happen!! Data will be lost [ 138.240979] [ 138.245279] EXT4-fs (loop5): Block reservation details [ 138.249722] EXT4-fs (loop2): Total free blocks count 0 [ 138.253707] EXT4-fs (loop5): i_reserved_data_blocks=1 [ 138.261579] EXT4-fs (loop1): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 3 with error 28 [ 138.325146] EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 2 with error 28 [ 138.335652] EXT4-fs (loop2): Free/Dirty block details [ 138.345632] EXT4-fs (loop0): This should not happen!! Data will be lost [ 138.345632] [ 138.350954] EXT4-fs (loop2): free_blocks=2415919104 [ 138.362439] EXT4-fs (loop5): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 138.370727] EXT4-fs (loop2): dirty_blocks=16 [ 138.382375] EXT4-fs (loop5): This should not happen!! Data will be lost [ 138.382375] [ 138.393957] EXT4-fs (loop2): Block reservation details [ 138.399518] EXT4-fs (loop4): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28 [ 138.407579] EXT4-fs (loop2): i_reserved_data_blocks=1 [ 138.414686] EXT4-fs (loop4): This should not happen!! Data will be lost [ 138.414686] [ 138.423575] ---[ end trace c4aef23c239e7373 ]--- [ 138.436691] EXT4-fs (loop1): This should not happen!! Data will be lost [ 138.436691] [ 138.451719] Kernel panic - not syncing: Fatal exception [ 138.462017] EXT4-fs (loop1): Total free blocks count 0 [ 138.464833] Kernel Offset: disabled [ 138.547358] Rebooting in 86400 seconds..