======================================================
WARNING: possible circular locking dependency detected
4.14.295-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.1/13007 is trying to acquire lock:
 (&nilfs->ns_sem){++++}, at: [<ffffffff87085f04>] nilfs_set_error fs/nilfs2/super.c:95 [inline]
 (&nilfs->ns_sem){++++}, at: [<ffffffff87085f04>] __nilfs_error+0x176/0x399 fs/nilfs2/super.c:140

but task is already holding lock:
 (&dat_lock_key){.+.+}, at: [<ffffffff826b406e>] nilfs_get_block+0x17e/0x7a0 fs/nilfs2/inode.c:88

which lock already depends on the new lock.

UDF-fs: error (device loop0): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it

the existing dependency chain (in reverse order) is:

-> #1 (&dat_lock_key){.+.+}:
       down_read+0x36/0x80 kernel/locking/rwsem.c:24
       nilfs_count_free_blocks+0x68/0x180 fs/nilfs2/the_nilfs.c:707
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=1984, location=1984
       nilfs_set_log_cursor fs/nilfs2/super.c:247 [inline]
       nilfs_cleanup_super+0x123/0x450 fs/nilfs2/super.c:329
       load_nilfs+0x6e2/0x1170 fs/nilfs2/the_nilfs.c:326
       nilfs_fill_super fs/nilfs2/super.c:1073 [inline]
       nilfs_mount+0x89f/0xd00 fs/nilfs2/super.c:1331
       mount_fs+0x92/0x2a0 fs/super.c:1237
UDF-fs: error (device loop0): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
       vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
       vfs_kern_mount fs/namespace.c:1036 [inline]
       do_new_mount fs/namespace.c:2572 [inline]
       do_mount+0xe65/0x2a30 fs/namespace.c:2905
       SYSC_mount fs/namespace.c:3121 [inline]
       SyS_mount+0xa8/0x120 fs/namespace.c:3098
       do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
       entry_SYSCALL_64_after_hwframe+0x46/0xbb

-> #0 (&nilfs->ns_sem){++++}:
UDF-fs: Scanning with blocksize 512 failed
       lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
       down_write+0x34/0x90 kernel/locking/rwsem.c:54
       nilfs_set_error fs/nilfs2/super.c:95 [inline]
       __nilfs_error+0x176/0x399 fs/nilfs2/super.c:140
       nilfs_bmap_convert_error fs/nilfs2/bmap.c:44 [inline]
       nilfs_bmap_lookup_contig+0x130/0x170 fs/nilfs2/bmap.c:104
       nilfs_get_block+0x1bd/0x7a0 fs/nilfs2/inode.c:89
       do_mpage_readpage+0x615/0x1470 fs/mpage.c:211
       mpage_readpages+0x2d6/0x5f0 fs/mpage.c:383
       read_pages mm/readahead.c:121 [inline]
       __do_page_cache_readahead+0x522/0x940 mm/readahead.c:199
       ra_submit mm/internal.h:66 [inline]
       ondemand_readahead.isra.0+0x514/0xb60 mm/readahead.c:486
       page_cache_sync_readahead mm/readahead.c:518 [inline]
       page_cache_sync_readahead+0xa6/0xf0 mm/readahead.c:503
       generic_file_buffered_read mm/filemap.c:2003 [inline]
       generic_file_read_iter+0xfbc/0x21c0 mm/filemap.c:2273
       call_read_iter include/linux/fs.h:1774 [inline]
       new_sync_read fs/read_write.c:401 [inline]
       __vfs_read+0x449/0x620 fs/read_write.c:413
       integrity_kernel_read+0x11b/0x1b0 security/integrity/iint.c:199
       ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:381 [inline]
       ima_calc_file_shash security/integrity/ima/ima_crypto.c:410 [inline]
       ima_calc_file_hash+0x3ee/0x780 security/integrity/ima/ima_crypto.c:467
       ima_collect_measurement+0x39d/0x430 security/integrity/ima/ima_api.c:227
       process_measurement+0x78b/0xb20 security/integrity/ima/ima_main.c:264
       do_last fs/namei.c:3435 [inline]
       path_openat+0x10ad/0x2970 fs/namei.c:3571
       do_filp_open+0x179/0x3c0 fs/namei.c:3605
       do_sys_open+0x296/0x410 fs/open.c:1081
       do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
       entry_SYSCALL_64_after_hwframe+0x46/0xbb

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&dat_lock_key);
                               lock(&nilfs->ns_sem);
                               lock(&dat_lock_key);
  lock(&nilfs->ns_sem);

 *** DEADLOCK ***

2 locks held by syz-executor.1/13007:
 #0:  (&iint->mutex){+.+.}, at: [<ffffffff82eef900>] process_measurement+0x270/0xb20 security/integrity/ima/ima_main.c:225
 #1:  (&dat_lock_key){.+.+}, at: [<ffffffff826b406e>] nilfs_get_block+0x17e/0x7a0 fs/nilfs2/inode.c:88

stack backtrace:
CPU: 0 PID: 13007 Comm: syz-executor.1 Not tainted 4.14.295-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258
 check_prev_add kernel/locking/lockdep.c:1905 [inline]
 check_prevs_add kernel/locking/lockdep.c:2022 [inline]
 validate_chain kernel/locking/lockdep.c:2464 [inline]
 __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491
 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
 down_write+0x34/0x90 kernel/locking/rwsem.c:54
 nilfs_set_error fs/nilfs2/super.c:95 [inline]
 __nilfs_error+0x176/0x399 fs/nilfs2/super.c:140
 nilfs_bmap_convert_error fs/nilfs2/bmap.c:44 [inline]
 nilfs_bmap_lookup_contig+0x130/0x170 fs/nilfs2/bmap.c:104
 nilfs_get_block+0x1bd/0x7a0 fs/nilfs2/inode.c:89
 do_mpage_readpage+0x615/0x1470 fs/mpage.c:211
 mpage_readpages+0x2d6/0x5f0 fs/mpage.c:383
 read_pages mm/readahead.c:121 [inline]
 __do_page_cache_readahead+0x522/0x940 mm/readahead.c:199
 ra_submit mm/internal.h:66 [inline]
 ondemand_readahead.isra.0+0x514/0xb60 mm/readahead.c:486
 page_cache_sync_readahead mm/readahead.c:518 [inline]
 page_cache_sync_readahead+0xa6/0xf0 mm/readahead.c:503
 generic_file_buffered_read mm/filemap.c:2003 [inline]
 generic_file_read_iter+0xfbc/0x21c0 mm/filemap.c:2273
 call_read_iter include/linux/fs.h:1774 [inline]
 new_sync_read fs/read_write.c:401 [inline]
 __vfs_read+0x449/0x620 fs/read_write.c:413
 integrity_kernel_read+0x11b/0x1b0 security/integrity/iint.c:199
 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:381 [inline]
 ima_calc_file_shash security/integrity/ima/ima_crypto.c:410 [inline]
 ima_calc_file_hash+0x3ee/0x780 security/integrity/ima/ima_crypto.c:467
 ima_collect_measurement+0x39d/0x430 security/integrity/ima/ima_api.c:227
 process_measurement+0x78b/0xb20 security/integrity/ima/ima_main.c:264
 do_last fs/namei.c:3435 [inline]
 path_openat+0x10ad/0x2970 fs/namei.c:3571
 do_filp_open+0x179/0x3c0 fs/namei.c:3605
 do_sys_open+0x296/0x410 fs/open.c:1081
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f861bd4d5f9
RSP: 002b:00007f861a6c0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f861be6df80 RCX: 00007f861bd4d5f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f861bda87b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff262cfd6f R14: 00007f861a6c0300 R15: 0000000000022000
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512
audit: type=1800 audit(1666436527.767:41): pid=13047 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="file0" dev="sda1" ino=14301 res=0
audit: type=1804 audit(1666436527.777:42): pid=13047 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir3935077760/syzkaller.Demh8L/93/file0" dev="sda1" ino=14301 res=1
audit: type=1804 audit(1666436527.777:43): pid=13047 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir3935077760/syzkaller.Demh8L/93/file0" dev="sda1" ino=14301 res=1
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop0): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
Remounting filesystem read-only
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
audit: type=1800 audit(1666436528.577:44): pid=13075 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=14296 res=0
audit: type=1804 audit(1666436528.597:45): pid=13075 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir2920015168/syzkaller.Vnm5P0/122/file0" dev="sda1" ino=14296 res=1
audit: type=1804 audit(1666436528.597:46): pid=13075 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir2920015168/syzkaller.Vnm5P0/122/file0" dev="sda1" ino=14296 res=1
UDF-fs: error (device loop0): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=1984, location=1984
UDF-fs: error (device loop0): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: Scanning with blocksize 512 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
audit: type=1800 audit(1666436528.787:47): pid=13007 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.1" name="file2" dev="loop1" ino=16 res=0
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop0): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
Remounting filesystem read-only
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
print_req_error: I/O error, dev loop0, sector 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
Remounting filesystem read-only
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop0): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=1984, location=1984
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: error (device loop0): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
kauditd_printk_skb: 16 callbacks suppressed
audit: type=1800 audit(1666436531.337:64): pid=13143 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="file0" dev="sda1" ino=14271 res=0
UDF-fs: Scanning with blocksize 512 failed
audit: type=1804 audit(1666436531.347:65): pid=13143 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir3651077442/syzkaller.APzJ5U/127/file0" dev="sda1" ino=14271 res=1
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
audit: type=1804 audit(1666436531.357:66): pid=13143 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir3651077442/syzkaller.APzJ5U/127/file0" dev="sda1" ino=14271 res=1
UDF-fs: error (device loop5): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop3): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=1984, location=1984
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: error (device loop5): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: Scanning with blocksize 512 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=1984, location=1984
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop3): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop0): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 512 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=512, location=512
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: warning (device loop5): udf_load_vrs: No VRS found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 1024 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: Scanning with blocksize 4096 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=512, location=512
UDF-fs: error (device loop0): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=1984, location=1984
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop0): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 1024 failed
audit: type=1800 audit(1666436532.267:67): pid=13176 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="file0" dev="sda1" ino=14258 res=0
UDF-fs: warning (device loop3): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
audit: type=1804 audit(1666436532.277:68): pid=13176 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir3651077442/syzkaller.APzJ5U/128/file0" dev="sda1" ino=14258 res=1
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
audit: type=1804 audit(1666436532.287:69): pid=13176 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir3651077442/syzkaller.APzJ5U/128/file0" dev="sda1" ino=14258 res=1
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 2048 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop0): udf_load_vrs: No VRS found
audit: type=1800 audit(1666436532.667:70): pid=13098 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.1" name="file2" dev="loop1" ino=16 res=0
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: error (device loop5): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop3): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=1984, location=1984
NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=1984, location=1984
UDF-fs: error (device loop5): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: error (device loop3): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
Remounting filesystem read-only
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop0): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=1984, location=1984
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: Scanning with blocksize 1024 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=512, location=512
IPVS: ftp: loaded support on port[0] = 21
UDF-fs: error (device loop0): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop5): udf_load_vrs: No VRS found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=512, location=512
UDF-fs: Scanning with blocksize 1024 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: Scanning with blocksize 2048 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop0): udf_load_vrs: No VRS found
UDF-fs: warning (device loop3): udf_load_vrs: No VRS found
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: Scanning with blocksize 4096 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: error (device loop5): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=1984, location=1984
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: error (device loop5): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop3): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=1984, location=1984
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop3): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: Scanning with blocksize 512 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
UDF-fs: error (device loop0): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
device bridge1 entered promiscuous mode
UDF-fs: error (device loop5): udf_read_tagged: read failed, block=512, location=512
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=1984, location=1984
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: error (device loop0): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: Scanning with blocksize 1024 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
device macvtap1 entered promiscuous mode
UDF-fs: Scanning with blocksize 512 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: Scanning with blocksize 2048 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: error (device loop3): udf_read_tagged: read failed, block=512, location=512
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 1024 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop5): udf_load_vrs: No VRS found
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: error (device loop0): udf_read_tagged: read failed, block=512, location=512
device macvtap2 entered promiscuous mode
UDF-fs: Scanning with blocksize 2048 failed
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop3): udf_load_vrs: No VRS found
NILFS (loop1): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0
UDF-fs: Scanning with blocksize 2048 failed
NILFS error (device loop1): nilfs_bmap_lookup_contig: broken bmap (inode number=16)
UDF-fs: warning (device loop0): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: Scanning with blocksize 4096 failed
audit: type=1800 audit(1666436534.207:71): pid=13196 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed" comm="syz-executor.1" name="file2" dev="loop1" ino=16 res=0
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
device bridge2 entered promiscuous mode
device macvtap2 entered promiscuous mode
usb usb9: usbfs: interface 0 claimed by hub while 'syz-executor.5' sets config #0
usb usb9: usbfs: interface 0 claimed by usbfs while 'syz-executor.5' sets config #1
device macvtap3 entered promiscuous mode
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
hub 9-0:1.0: USB hub found
device bridge3 entered promiscuous mode
hub 9-0:1.0: 8 ports detected
device macvtap3 entered promiscuous mode
device macvtap4 entered promiscuous mode
usb usb9: usbfs: interface 0 claimed by hub while 'syz-executor.5' sets config #0
usb usb9: usbfs: interface 0 claimed by usbfs while 'syz-executor.5' sets config #1
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'.
hub 9-0:1.0: USB hub found
device bridge4 entered promiscuous mode
hub 9-0:1.0: 8 ports detected
device macvtap4 entered promiscuous mode
device macvtap5 entered promiscuous mode
could not allocate digest TFM handle sm3
batman_adv: batadv0: Interface deactivated: batadv_slave_1