NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) ====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/14239 is trying to acquire lock: 00000000d909c900 (&nilfs->ns_sem){++++}, at: nilfs_set_error fs/nilfs2/super.c:86 [inline] 00000000d909c900 (&nilfs->ns_sem){++++}, at: __nilfs_error+0x195/0x401 fs/nilfs2/super.c:131 but task is already holding lock: 00000000711418fb (&dat_lock_key){.+.+}, at: nilfs_get_block+0x18f/0x970 fs/nilfs2/inode.c:79 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&dat_lock_key){.+.+}: nilfs_count_free_blocks+0x68/0x180 fs/nilfs2/the_nilfs.c:698 nilfs_set_log_cursor fs/nilfs2/super.c:237 [inline] nilfs_cleanup_super+0x133/0x490 fs/nilfs2/super.c:319 load_nilfs+0x79f/0x11f0 fs/nilfs2/the_nilfs.c:317 nilfs_fill_super fs/nilfs2/super.c:1063 [inline] nilfs_mount+0x9b5/0xe70 fs/nilfs2/super.c:1321 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&nilfs->ns_sem){++++}: down_write+0x34/0x90 kernel/locking/rwsem.c:70 nilfs_set_error fs/nilfs2/super.c:86 [inline] __nilfs_error+0x195/0x401 fs/nilfs2/super.c:131 nilfs_bmap_convert_error fs/nilfs2/bmap.c:35 [inline] nilfs_bmap_lookup_contig+0x13d/0x180 fs/nilfs2/bmap.c:95 nilfs_get_block+0x1ce/0x970 fs/nilfs2/inode.c:80 do_mpage_readpage+0x8fb/0x1ca0 fs/mpage.c:231 mpage_readpages+0x33a/0x630 fs/mpage.c:404 read_pages.isra.0+0xf6/0x5d0 mm/readahead.c:123 __do_page_cache_readahead+0x5c6/0x6c0 mm/readahead.c:211 ra_submit mm/internal.h:66 [inline] ondemand_readahead.isra.0+0x575/0xd40 mm/readahead.c:493 page_cache_sync_readahead mm/readahead.c:528 [inline] page_cache_sync_readahead+0x275/0x520 mm/readahead.c:510 generic_file_buffered_read mm/filemap.c:2115 [inline] generic_file_read_iter+0x1497/0x2b60 mm/filemap.c:2385 call_read_iter include/linux/fs.h:1815 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x518/0x750 fs/read_write.c:418 integrity_kernel_read+0x147/0x1f0 security/integrity/iint.c:200 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:364 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:393 [inline] ima_calc_file_hash+0x4b2/0x8a0 security/integrity/ima/ima_crypto.c:450 ima_collect_measurement+0x4c4/0x570 security/integrity/ima/ima_api.c:231 process_measurement+0xddd/0x1440 security/integrity/ima/ima_main.c:284 ima_file_check+0xb9/0x100 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3425 [inline] path_openat+0x7e4/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe 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.4/14239: #0: 0000000045d91832 (&iint->mutex){+.+.}, at: process_measurement+0x316/0x1440 security/integrity/ima/ima_main.c:224 #1: 00000000711418fb (&dat_lock_key){.+.+}, at: nilfs_get_block+0x18f/0x970 fs/nilfs2/inode.c:79 stack backtrace: CPU: 1 PID: 14239 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_write+0x34/0x90 kernel/locking/rwsem.c:70 nilfs_set_error fs/nilfs2/super.c:86 [inline] __nilfs_error+0x195/0x401 fs/nilfs2/super.c:131 nilfs_bmap_convert_error fs/nilfs2/bmap.c:35 [inline] nilfs_bmap_lookup_contig+0x13d/0x180 fs/nilfs2/bmap.c:95 nilfs_get_block+0x1ce/0x970 fs/nilfs2/inode.c:80 do_mpage_readpage+0x8fb/0x1ca0 fs/mpage.c:231 mpage_readpages+0x33a/0x630 fs/mpage.c:404 read_pages.isra.0+0xf6/0x5d0 mm/readahead.c:123 __do_page_cache_readahead+0x5c6/0x6c0 mm/readahead.c:211 ra_submit mm/internal.h:66 [inline] ondemand_readahead.isra.0+0x575/0xd40 mm/readahead.c:493 page_cache_sync_readahead mm/readahead.c:528 [inline] page_cache_sync_readahead+0x275/0x520 mm/readahead.c:510 generic_file_buffered_read mm/filemap.c:2115 [inline] generic_file_read_iter+0x1497/0x2b60 mm/filemap.c:2385 call_read_iter include/linux/fs.h:1815 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x518/0x750 fs/read_write.c:418 integrity_kernel_read+0x147/0x1f0 security/integrity/iint.c:200 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:364 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:393 [inline] ima_calc_file_hash+0x4b2/0x8a0 security/integrity/ima/ima_crypto.c:450 ima_collect_measurement+0x4c4/0x570 security/integrity/ima/ima_api.c:231 process_measurement+0xddd/0x1440 security/integrity/ima/ima_main.c:284 ima_file_check+0xb9/0x100 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3425 [inline] path_openat+0x7e4/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9d294e95a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9d27a3b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f9d2960a050 RCX: 00007f9d294e95a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000880 RBP: 00007f9d295447b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0b1059bf R14: 00007f9d27a3b300 R15: 0000000000022000 Remounting filesystem read-only NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) kauditd_printk_skb: 13 callbacks suppressed audit: type=1800 audit(1667150370.142:33): pid=14239 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="file2" dev="loop4" ino=16 res=0 NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) Remounting filesystem read-only NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 PF_BRIDGE: br_mdb_parse() with invalid ifindex NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) nla_parse: 57 callbacks suppressed netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 IPv6: sit2: Disabled Multicast RS NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) NILFS (loop4): bad btree node (ino=16, blocknr=15): level = 0, flags = 0x0, nchildren = 0 NILFS error (device loop4): nilfs_bmap_lookup_contig: broken bmap (inode number=16) audit: type=1800 audit(1667150371.002:34): pid=14336 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="file2" dev="loop4" ino=16 res=0 PF_BRIDGE: br_mdb_parse() with invalid ifindex nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1800 audit(1667150371.002:35): pid=14363 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="file2" dev="loop4" ino=16 res=0 audit: type=1800 audit(1667150371.152:36): pid=14438 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14303 res=0 UDF-fs: bad mount option "¹|ÖŽ;" or missing value NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds PF_BRIDGE: br_mdb_parse() with invalid ifindex netlink: 16 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1800 audit(1667150371.352:37): pid=14476 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14325 res=0 print_req_error: 29 callbacks suppressed print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 8 audit: type=1800 audit(1667150371.482:38): pid=14546 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=14318 res=0 audit: type=1800 audit(1667150371.482:39): pid=14556 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.2" name="bus" dev="sda1" ino=14316 res=0 UDF-fs: bad mount option "¹|ÖŽ;" or missing value audit: type=1800 audit(1667150371.652:40): pid=14579 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=14318 res=0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 8 print_req_error: I/O error, dev loop4, sector 0 buffer_io_error: 23 callbacks suppressed Buffer I/O error on dev loop4p2, logical block 0, async page read print_req_error: I/O error, dev loop4, sector 8 Buffer I/O error on dev loop4p4, logical block 2, async page read print_req_error: I/O error, dev loop4, sector 12 Buffer I/O error on dev loop4p4, logical block 3, async page read print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4p2, logical block 0, async page read print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4p2, logical block 0, async page read print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read UDF-fs: bad mount option "¹|ÖŽ;" or missing value audit: type=1800 audit(1667150372.032:41): pid=14648 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=14332 res=0 nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. audit: type=1800 audit(1667150372.302:42): pid=14668 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.4" name="bus" dev="sda1" ino=14322 res=0 netlink: 'syz-executor.0': attribute type 12 has an invalid length. ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' Dev loop2: unable to read RDB block 8 loop2: unable to read partition table loop2: partition table beyond EOD, truncated netlink: 'syz-executor.0': attribute type 12 has an invalid length. loop_reread_partitions: partition scan of loop2 () failed (rc=-5) ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.0': attribute type 12 has an invalid length. ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.1': attribute type 12 has an invalid length. ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.1': attribute type 12 has an invalid length. ieee80211 phy18: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.1': attribute type 12 has an invalid length. ieee80211 phy19: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.1': attribute type 12 has an invalid length. ieee80211 phy20: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.1': attribute type 12 has an invalid length. ieee80211 phy21: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.0': attribute type 12 has an invalid length. ieee80211 phy22: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.0': attribute type 12 has an invalid length. ieee80211 phy23: Selected rate control algorithm 'minstrel_ht' ieee80211 phy24: Selected rate control algorithm 'minstrel_ht' ieee80211 phy25: Selected rate control algorithm 'minstrel_ht' ieee80211 phy26: Selected rate control algorithm 'minstrel_ht' ieee80211 phy27: Selected rate control algorithm 'minstrel_ht' ieee80211 phy28: Selected rate control algorithm 'minstrel_ht' ieee80211 phy29: Selected rate control algorithm 'minstrel_ht' ieee80211 phy30: Selected rate control algorithm 'minstrel_ht' ieee80211 phy31: Selected rate control algorithm 'minstrel_ht' ieee80211 phy32: Selected rate control algorithm 'minstrel_ht' ieee80211 phy33: Selected rate control algorithm 'minstrel_ht' ieee80211 phy34: Selected rate control algorithm 'minstrel_ht' ieee80211 phy35: Selected rate control algorithm 'minstrel_ht' ieee80211 phy36: Selected rate control algorithm 'minstrel_ht' print_req_error: 252 callbacks suppressed print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 8 print_req_error: I/O error, dev loop4, sector 8 ieee80211 phy37: Selected rate control algorithm 'minstrel_ht' print_req_error: I/O error, dev loop4, sector 12 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 print_req_error: I/O error, dev loop4, sector 0 ieee80211 phy38: Selected rate control algorithm 'minstrel_ht' ieee80211 phy39: Selected rate control algorithm 'minstrel_ht' ieee80211 phy40: Selected rate control algorithm 'minstrel_ht' buffer_io_error: 221 callbacks suppressed Buffer I/O error on dev loop4p4, logical block 2, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p4, logical block 3, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read ieee80211 phy41: Selected rate control algorithm 'minstrel_ht' Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read Buffer I/O error on dev loop4p2, logical block 0, async page read ieee80211 phy42: Selected rate control algorithm 'minstrel_ht' ieee80211 phy43: Selected rate control algorithm 'minstrel_ht' ieee80211 phy44: Selected rate control algorithm 'minstrel_ht' ieee80211 phy45: Selected rate control algorithm 'minstrel_ht' ieee80211 phy46: Selected rate control algorithm 'minstrel_ht' validate_nla: 23 callbacks suppressed netlink: 'syz-executor.4': attribute type 12 has an invalid length. ieee80211 phy47: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.4': attribute type 12 has an invalid length. ieee80211 phy48: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.0': attribute type 12 has an invalid length. ieee80211 phy49: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.5': attribute type 12 has an invalid length. ieee80211 phy50: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.4': attribute type 12 has an invalid length. ieee80211 phy51: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.0': attribute type 12 has an invalid length. ieee80211 phy52: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.5': attribute type 12 has an invalid length. ieee80211 phy53: Selected rate control algorithm 'minstrel_ht' netlink: 'syz-executor.4': attribute type 12 has an invalid length. ieee80211 phy54: Selected rate control algorithm 'minstrel_ht'