Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.10.6' (ECDSA) to the list of known hosts.
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syzkaller login: [   27.597794] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   27.606937] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   27.620316] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.622503] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.635243] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   27.653317] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.654664] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   27.663040] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.683372] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.692865] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   27.704286] Remounting filesystem read-only
[   27.705074] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.708742] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.725377] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.729668] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   27.748378] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.758648] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.766292] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.769622] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.777766] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.787996] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.796151] 
[   27.804911] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.805402] ======================================================
[   27.805404] WARNING: possible circular locking dependency detected
[   27.805409] 4.14.295-syzkaller #0 Not tainted
[   27.805411] ------------------------------------------------------
[   27.805414] syz-executor281/7966 is trying to acquire lock:
[   27.805416]  (&dat_lock_key){.+.+}
[   27.816987] Remounting filesystem read-only
[   27.821128] , at: [<ffffffff826e77c8>] nilfs_count_free_blocks+0x68/0x180
[   27.821130] 
[   27.821130] but task is already holding lock:
[   27.821132]  (&nilfs->ns_sem){++++}, at: [<ffffffff826bdf59>] nilfs_put_super+0x139/0x190
[   27.821144] 
[   27.821144] which lock already depends on the new lock.
[   27.821144] 
[   27.821145] 
[   27.821145] the existing dependency chain (in reverse order) is:
[   27.821147] 
[   27.821147] -> #1 (&nilfs->ns_sem){++++}:
[   27.821161]        down_write+0x34/0x90
[   27.821167]        __nilfs_error+0x176/0x399
[   27.821172]        nilfs_bmap_lookup_contig+0x130/0x170
[   27.821176]        nilfs_get_block+0x1bd/0x7a0
[   27.821184]        do_mpage_readpage+0x615/0x1470
[   27.821192]        mpage_readpages+0x2d6/0x5f0
[   27.834378] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.838288]        __do_page_cache_readahead+0x522/0x940
[   27.838295]        ondemand_readahead.isra.0+0x514/0xb60
[   27.838301]        page_cache_sync_readahead+0xa6/0xf0
[   27.838308]        generic_file_read_iter+0xfbc/0x21c0
[   27.838314]        __vfs_read+0x449/0x620
[   27.838325]        integrity_kernel_read+0x11b/0x1b0
[   27.858306] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.858750]        ima_calc_file_hash+0x3ee/0x780
[   27.858756]        ima_collect_measurement+0x39d/0x430
[   27.858761]        process_measurement+0x78b/0xb20
[   27.858773]        path_openat+0x10ad/0x2970
[   27.867103] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.873026]        do_filp_open+0x179/0x3c0
[   27.873032]        do_sys_open+0x296/0x410
[   27.873039]        do_syscall_64+0x1d5/0x640
[   27.873046]        entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   27.873049] 
[   27.873049] -> #0 (&dat_lock_key){.+.+}:
[   27.873061]        lock_acquire+0x170/0x3f0
[   27.873067]        down_read+0x36/0x80
[   27.873073]        nilfs_count_free_blocks+0x68/0x180
[   27.873078]        nilfs_cleanup_super+0x123/0x450
[   27.873082]        nilfs_put_super+0x141/0x190
[   27.873093]        generic_shutdown_super+0x144/0x370
[   27.893928] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.894616]        kill_block_super+0x95/0xe0
[   27.909335] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.912872]        deactivate_locked_super+0x6c/0xd0
[   27.912879]        deactivate_super+0x7f/0xa0
[   27.912885]        cleanup_mnt+0x186/0x2c0
[   27.912890]        task_work_run+0x11f/0x190
[   27.912896]        exit_to_usermode_loop+0x1ad/0x200
[   27.912900]        do_syscall_64+0x4a3/0x640
[   27.912907]        entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   27.912909] 
[   27.912909] other info that might help us debug this:
[   27.912909] 
[   27.912911]  Possible unsafe locking scenario:
[   27.912911] 
[   27.912912]        CPU0                    CPU1
[   27.912913]        ----                    ----
[   27.912914]   lock(&nilfs->ns_sem);
[   27.912919]                                lock(&dat_lock_key);
[   27.912923]                                lock(&nilfs->ns_sem);
[   27.912927]   lock(&dat_lock_key);
[   27.929947] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.931665] 
[   27.931665]  *** DEADLOCK ***
[   27.931665] 
[   27.931669] 2 locks held by syz-executor281/7966:
[   27.931671]  #0:  (&type->s_umount_key#47){+.+.}, at: [<ffffffff81876de7>] deactivate_super+0x77/0xa0
[   27.931690]  #1:  (&nilfs->ns_sem){++++}, at: [<ffffffff826bdf59>] nilfs_put_super+0x139/0x190
[   27.931711] 
[   27.931711] stack backtrace:
[   27.931718] CPU: 0 PID: 7966 Comm: syz-executor281 Not tainted 4.14.295-syzkaller #0
[   27.931721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[   27.931724] Call Trace:
[   27.931735]  dump_stack+0x1b2/0x281
[   27.938513] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.942615]  print_circular_bug.constprop.0.cold+0x2d7/0x41e
[   27.942626]  __lock_acquire+0x2e0e/0x3f20
[   27.942633]  ? __lock_acquire+0x5fc/0x3f20
[   27.942638]  ? trace_hardirqs_on+0x10/0x10
[   27.942644]  ? lock_downgrade+0x740/0x740
[   27.942650]  ? trace_hardirqs_on+0x10/0x10
[   27.942658]  ? nilfs_detach_log_writer+0x6f4/0x980
[   27.942663]  lock_acquire+0x170/0x3f0
[   27.942669]  ? nilfs_count_free_blocks+0x68/0x180
[   27.942676]  down_read+0x36/0x80
[   27.942683]  ? nilfs_count_free_blocks+0x68/0x180
[   27.956891] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.957331]  nilfs_count_free_blocks+0x68/0x180
[   27.957340]  nilfs_cleanup_super+0x123/0x450
[   27.957346]  ? nilfs_unfreeze+0xa0/0xa0
[   27.957354]  nilfs_put_super+0x141/0x190
[   27.974563] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   27.976088]  ? nilfs_freeze+0xb0/0xb0
[   27.976099]  generic_shutdown_super+0x144/0x370
[   27.976108]  kill_block_super+0x95/0xe0
[   27.988214] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   27.990677]  deactivate_locked_super+0x6c/0xd0
[   27.990685]  deactivate_super+0x7f/0xa0
[   27.990696]  cleanup_mnt+0x186/0x2c0
[   27.990703]  task_work_run+0x11f/0x190
[   27.990711]  exit_to_usermode_loop+0x1ad/0x200
[   27.990718]  do_syscall_64+0x4a3/0x640
[   27.990725]  entry_SYSCALL_64_after_hwframe+0x46/0xbb
[   27.990733] RIP: 0033:0x7f29d30b6447
[   28.006197] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.008069] RSP: 002b:00007fff239e00d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   28.008077] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f29d30b6447
[   28.008081] RDX: 00007fff239e0199 RSI: 000000000000000a RDI: 00007fff239e0190
[   28.008085] RBP: 00007fff239e0190 R08: 00000000ffffffff R09: 00007fff239dff70
[   28.008088] R10: 0000555555930683 R11: 0000000000000206 R12: 00007fff239e1250
[   28.008091] R13: 00005555559305f0 R14: 00007fff239e0100 R15: 00007fff239e1270
[   28.020699] Remounting filesystem read-only
[   28.035866] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.060584] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.061870] Remounting filesystem read-only
[   28.066248] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.071245] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.083096] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.086802] Remounting filesystem read-only
[   28.089223] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.099544] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.103341] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.110710] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.117572] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.123669] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.128003] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.133706] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.136636] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.143532] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.150891] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.152032] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.162909] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.168497] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.174048] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.182225] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.196131] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.211982] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.213484] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.222549] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.236219] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.243445] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.247367] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.251803] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.255510] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.261675] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.264480] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.269164] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.273506] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.279665] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.288082] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.293183] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.296794] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.301901] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.305018] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   28.314732] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.318041] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.323546] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.326388] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.336261] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.343407] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.344625] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.348202] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.348653] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.352585] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.359171] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.361385] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.367415] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.370203] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.380340] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.387153] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.394729] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.401236] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.409568] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.416144] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.423852] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.427543] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.437995] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.446436] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.451373] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.459480] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.469699] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.478440] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.483530] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.491716] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.501347] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.509789] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.520363] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   28.528111] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.537313] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.546344] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.556440] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.564718] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.574796] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.583361] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.593608] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.601138] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.611607] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.619495] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   28.628605] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.638690] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.647279] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.656662] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.664835] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   28.674837] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.683695] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.693217] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.701554] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.711053] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.719561] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.729590] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.747983] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.757319] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.766218] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.776292] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.784601] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.794062] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.803776] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.811831] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.828734] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.830504] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   28.851046] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.858812] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.866575] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.889806] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   28.901212] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.904284] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.916011] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   28.933196] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.941866] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.952435] audit: type=1800 audit(1665685488.661:2): pid=7974 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop3" ino=16 res=0
[   28.958477] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   28.970353] syz-executor281 (7974) used greatest stack depth: 23904 bytes left
[   28.975831] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.006323] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.014199] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   29.023245] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.032179] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.040176] Remounting filesystem read-only
[   29.049648] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.058969] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.067259] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.077287] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.086053] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.097571] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.113799] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.129535] audit: type=1800 audit(1665685488.831:3): pid=8001 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop0" ino=16 res=0
executing program
executing program
[   29.132842] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.155103] audit: type=1800 audit(1665685488.831:4): pid=7979 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop5" ino=16 res=0
[   29.161141] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.168174] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.177242] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.186412] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.195324] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.207080] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.215414] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.226397] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.232608] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.241964] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.250543] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.262597] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.323130] audit: type=1800 audit(1665685489.011:5): pid=7973 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop1" ino=16 res=0
[   29.342476] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.358847] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.375720] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.383384] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.398124] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.406760] audit: type=1800 audit(1665685489.081:6): pid=7988 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop4" ino=16 res=0
[   29.417116] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.427026] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.437868] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.462595] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.478691] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.508176] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.515812] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.523879] Remounting filesystem read-only
[   29.532957] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.541423] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.551198] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.564682] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.569451] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.575191] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.583512] Remounting filesystem read-only
[   29.593526] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.601066] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.611613] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.619616] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.654697] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.656015] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   29.672999] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.683712] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.693755] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.701288] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.710561] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.718839] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.768705] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.774077] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.792327] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.810014] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   29.820895] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.828706] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.838071] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.847289] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.875993] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   29.883053] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.942127] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.944086] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   29.970698] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   29.979991] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.002765] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.012583] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.021742] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.030537] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.044167] Remounting filesystem read-only
[   30.048856] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.080284] print_req_error: I/O error, dev loop4, sector 0
[   30.093005] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.094873] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.104303] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.112997] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.122866] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.131394] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.142167] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.162321] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.197409] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.222739] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.226637] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   30.233898] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.243073] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.252458] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.262504] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.271361] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.287159] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.293152] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.300306] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.307762] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.317270] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.330496] Remounting filesystem read-only
[   30.337441] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.344671] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.354503] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   30.363120] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.373854] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.381496] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.398660] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   30.414109] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.419914] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.434918] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.436951] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.446549] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.464556] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.475257] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.482469] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.492591] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.496181] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.505988] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.514355] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.525041] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.535144] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.562963] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.572263] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.584350] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.593124] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.601272] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.606370] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   30.621732] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.626111] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.645373] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.652431] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.662169] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.671601] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.680198] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.689787] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.699313] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.709287] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.717623] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.725743] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.736412] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.745007] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.754974] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.763337] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.773715] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.781499] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.801038] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.809378] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.818914] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.828151] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.836986] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.845805] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.854572] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.863524] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.874796] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.881702] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.891074] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.900212] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.909985] Remounting filesystem read-only
[   30.917771] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.927219] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.938529] audit: type=1800 audit(1665685490.662:7): pid=8018 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop2" ino=16 res=0
[   30.952050] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.956776] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.964604] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.973494] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   30.991700] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   30.991719] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   30.991953] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.000992] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.011819] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.019080] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.024410] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.032830] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.041328] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.059261] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.070209] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.078852] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.086642] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.095251] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.104677] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.123962] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.132833] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.144657] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.152627] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.161613] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.170817] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.179710] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.190623] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.198081] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.207650] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.215298] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.225607] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.233596] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.243120] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.253529] audit: type=1800 audit(1665685490.973:8): pid=8054 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop1" ino=16 res=0
[   31.260471] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.276517] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.279523] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   31.297617] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.306324] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.316521] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.324731] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   31.345419] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.351938] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.362602] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.381820] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.389202] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.397141] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.411185] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.423439] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.433704] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.469795] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.471212] audit: type=1800 audit(1665685491.193:9): pid=8088 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop4" ino=16 res=0
[   31.479303] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   31.491141] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   31.503771] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.517196] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.528218] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.535848] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.552625] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.561887] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.572726] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.580425] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.590778] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.602586] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.611442] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.617522] audit: type=1800 audit(1665685491.333:10): pid=8051 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop5" ino=16 res=0
[   31.632509] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.636776] Remounting filesystem read-only
[   31.644635] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   31.654631] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.662943] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.689721] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.698375] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.703092] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.731651] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.754277] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   31.773462] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.779070] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.787748] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   31.794693] audit: type=1800 audit(1665685491.513:11): pid=8105 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop3" ino=16 res=0
[   31.810037] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.822219] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.846835] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.856288] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.866400] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.878197] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.887654] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.896681] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.906329] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
executing program
executing program
[   31.917102] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.930413] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   31.939613] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   31.966675] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   31.988511] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.001764] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   32.011265] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.021485] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.021555] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.040396] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.052960] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.053094] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.063141] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.083309] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.086567] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.093819] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.102760] Remounting filesystem read-only
[   32.112050] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.115910] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.125573] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.134258] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.142969] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.153224] Remounting filesystem read-only
executing program
[   32.161668] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.167963] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.174598] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.185445] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.202889] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.226889] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.230908] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.245643] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.247084] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.266876] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.268158] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.284567] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.286176] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.294392] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   32.324025] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.331274] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.334387] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.345922] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.361548] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   32.363995] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.371258] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.386279] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.389522] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.418485] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   32.419576] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.428927] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.437214] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.462479] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.464903] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.472234] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.480932] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.500579] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.501521] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[   32.510549] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.520754] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.549207] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.558866] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.571854] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.584772] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.596059] Remounting filesystem read-only
[   32.601186] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.601607] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
executing program
[   32.612424] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.630335] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.640492] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.652533] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.655142] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   32.662407] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.670564] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.681489] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.692773] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.699418] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.709080] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.719511] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.737858] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.746974] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.752204] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.762786] Remounting filesystem read-only
[   32.769157] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.770440] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.779057] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.790486] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.808568] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.810003] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.818125] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.828995] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   32.836190] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.845767] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.864038] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.871441] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.888562] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.896813] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.897893] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.919583] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   32.929788] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.939061] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.941921] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.948955] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.958417] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.972829] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   32.986351] Remounting filesystem read-only
[   32.987860] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   32.992732] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.009613] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.019803] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.029795] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.029965] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.040553] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   33.049699] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.064225] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.068328] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.085177] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.085905] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.094781] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.111257] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.113322] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.122896] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.132316] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.141608] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.151211] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.159790] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.169314] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.177690] Remounting filesystem read-only
[   33.187548] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.191080] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.200941] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.209426] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.219653] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.227895] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.237524] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.246116] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.256940] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.264925] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.274494] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.283218] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.293409] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.301684] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.310581] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.320435] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.328681] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.338118] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.348276] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.356009] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.365820] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.374406] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.383798] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.392688] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.402590] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.411389] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.420834] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.429510] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.439359] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.448035] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.458022] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.466516] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.476043] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.484688] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.495958] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.502791] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.513257] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.527314] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.531626] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.539537] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.558103] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.558197] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.568000] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.576786] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.587562] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.595326] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.604517] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.613252] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   33.623340] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.632208] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.655053] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   33.656008] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.675079] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.678045] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.684787] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.693275] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.703326] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.712420] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   33.722149] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.731064] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.739942] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.750215] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.759616] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.776187] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.779758] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.796368] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.806963] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.815052] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   33.816848] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.827360] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.835822] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.843269] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.855184] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.871754] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.883923] Remounting filesystem read-only
[   33.891082] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   33.902882] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.908312] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.915392] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.932560] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.941893] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   33.952369] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.955482] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   33.962615] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   33.978813] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   33.980673] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.000121] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.010600] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.029387] kauditd_printk_skb: 5 callbacks suppressed
[   34.029393] audit: type=1800 audit(1665685493.754:17): pid=8201 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop1" ino=16 res=0
[   34.033234] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.035658] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   34.062779] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.064900] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.093141] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.101816] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.103882] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.115633] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.120600] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.132846] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.139141] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.148839] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.158415] Remounting filesystem read-only
[   34.165698] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   34.171060] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.187931] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.194534] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.207159] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.213389] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.217720] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.225690] Remounting filesystem read-only
[   34.235624] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.245405] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.251406] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.258363] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.267442] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.276297] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.285408] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   34.304682] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.306535] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.313723] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.323474] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.332674] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.342473] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.352317] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.360682] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.369115] Remounting filesystem read-only
[   34.379496] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.382512] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.392907] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.401347] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.412207] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.419537] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.429944] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.438236] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.457038] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.459911] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.466448] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.476514] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.485325] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.494476] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.502730] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.512748] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.521290] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.531209] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.538993] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.548890] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.557887] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.568198] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.575994] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.586061] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.594429] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.603907] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.611885] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.621634] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.630664] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.639744] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.650465] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.658429] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.668113] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.676309] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.687108] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.695008] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.704308] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.714563] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.722130] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.732218] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.740462] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.750526] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.758831] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.768856] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.777434] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.787215] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.795318] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.805286] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.814134] audit: type=1800 audit(1665685494.545:18): pid=8224 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop2" ino=16 res=0
[   34.824088] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.841405] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.856859] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.859198] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.869360] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.877595] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.895841] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.896102] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.904720] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.914092] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   34.923818] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.941530] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.951750] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.958179] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.962261] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.979644] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   34.987440] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   34.989692] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.001733] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   35.008454] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.027034] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.032557] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.037282] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.050104] Remounting filesystem read-only
[   35.056144] audit: type=1800 audit(1665685494.775:19): pid=8284 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop1" ino=16 res=0
[   35.059861] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.077762] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.087253] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.095686] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.111273] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.122159] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.122370] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.132335] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.140441] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.150782] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.158285] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.168649] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.177609] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.187385] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.194846] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.194863] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.205717] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.213883] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.222848] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.232604] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.243667] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.251175] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.259726] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   35.278581] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.287230] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.296128] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.306593] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.317131] audit: type=1800 audit(1665685495.035:20): pid=8238 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop5" ino=16 res=0
[   35.332804] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.341912] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.351246] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.372503] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.377388] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   35.384223] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.395914] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.401530] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.410181] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.422801] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   35.430615] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.445144] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.461230] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.463501] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.477322] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.490048] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.500374] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.504141] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.514302] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   35.524667] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.531622] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.539157] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.554118] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.558043] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.565779] Remounting filesystem read-only
[   35.575873] Remounting filesystem read-only
[   35.580047] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.583575] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.594091] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.608339] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.612972] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.620829] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.630911] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.649021] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.649945] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.658776] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.668151] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.676760] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.686325] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.695547] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.708971] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.713408] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.721421] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.731641] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.740487] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.750409] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.759547] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.768029] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.778687] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.786530] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.796856] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.805487] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.815233] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.823644] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.833184] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.841311] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.851135] audit: type=1800 audit(1665685495.585:21): pid=8251 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop0" ino=16 res=0
[   35.859294] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.878640] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.886250] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.901773] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.904390] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.914224] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.923630] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.941405] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.941450] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.951254] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.961595] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   35.970054] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.978946] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.991194] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   35.996771] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.007400] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.015201] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.033233] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   36.034053] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.045641] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.060872] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.061130] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.072123] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.087715] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.095983] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   36.103699] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.112180] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.118352] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.126463] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.136179] audit: type=1800 audit(1665685495.866:22): pid=8288 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop2" ino=16 res=0
[   36.144621] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.164084] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.177125] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.189900] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.190368] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.199680] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.209819] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.218319] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.229226] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.237141] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.249192] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.257148] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.264419] audit: type=1800 audit(1665685495.996:23): pid=8269 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop3" ino=16 res=0
executing program
[   36.274527] Remounting filesystem read-only
[   36.308346] audit: type=1800 audit(1665685496.036:24): pid=8273 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop4" ino=16 res=0
[   36.317618] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.340527] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.343469] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.351502] NILFS (loop2): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   36.359705] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.368802] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.386401] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.387588] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.397661] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.406194] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.415927] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.433848] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
executing program
[   36.435375] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.446357] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.453967] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.463565] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.480766] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.496079] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.502863] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.511527] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.525150] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.533377] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.537462] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.548768] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.554028] Remounting filesystem read-only
[   36.570573] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.579474] audit: type=1800 audit(1665685496.306:25): pid=8306 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop5" ino=16 res=0
[   36.581508] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.598245] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   36.608472] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.617082] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   36.628503] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.646223] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.657879] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.670213] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.670311] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.691096] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.695007] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.702531] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.720159] Remounting filesystem read-only
[   36.720466] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.725074] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   36.734958] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.743256] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.752673] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.770748] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.780796] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.783126] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.790081] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.801357] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.810576] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.818892] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.829065] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   36.846246] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.856593] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.872049] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.876603] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.884132] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.890828] NILFS (loop5): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   36.899465] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.909133] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.927679] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.931497] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.936929] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.955664] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   36.964758] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.965884] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   36.983688] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   36.985140] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.001003] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.003617] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.012494] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.022060] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.039058] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.042798] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.054433] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.058869] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.077211] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.081897] Remounting filesystem read-only
executing program
[   37.087494] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.095830] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.101914] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.110191] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.119259] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.139136] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.147314] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.148920] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.167306] audit: type=1800 audit(1665685496.896:26): pid=8305 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor281" name="file2" dev="loop1" ino=16 res=0
[   37.176534] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.190414] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.201917] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.202604] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.217497] NILFS (loop3): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   37.221660] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.241485] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.245038] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.255778] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.263998] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.275745] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.282979] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
executing program
[   37.291306] Remounting filesystem read-only
[   37.302883] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.304664] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.314241] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.331024] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.333687] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.349845] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.351789] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.359569] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.374521] NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   37.382128] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.388849] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.409776] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.416260] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.420495] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.430423] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.440731] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.448104] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.457609] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.467714] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.479971] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.484087] NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.493970] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.501485] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.511359] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.519390] NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.530055] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
executing program
[   37.537978] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.548110] Remounting filesystem read-only
[   37.561926] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.565421] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.571525] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.580577] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.590165] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.602702] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.614384] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.616537] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.629241] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.638701] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.645873] NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.653464] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.663579] NILFS (loop2): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.673202] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.692677] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.702683] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.707015] NILFS error (device loop5): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.712381] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   37.722604] NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.730628] NILFS error (device loop0): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.740467] NILFS error (device loop2): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.748302] NILFS (loop3): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.767847] NILFS error (device loop3): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
[   37.767856] NILFS (loop0): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
[   37.777863] NILFS (loop5): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0