program: syz_mount_image$udf(&(0x7f0000000180), &(0x7f0000000100)='./bus\x00', 0x1014494, &(0x7f00000002c0)={[{@iocharset={'iocharset', 0x3d, 'iso8859-4'}}, {@partition={'partition', 0x3d, 0x6}}, {@gid_forget}, {@session={'session', 0x3d, 0xfe8}}, {@noadinicb}, {@anchor}, {@uid_forget}]}, 0xfe, 0xc24, &(0x7f0000001480)="$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") r0 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ftruncate(r0, 0x2007ffc) sendfile(r0, r0, 0x0, 0x800000009) r1 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r2 = open(&(0x7f0000000080)='./bus\x00', 0x107382, 0x1d0) ftruncate(r2, 0x2007ffb) sendfile(r1, r2, 0x0, 0x1000000201005) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000140)={{0x12, 0x1, 0x250, 0x0, 0x0, 0x0, 0x40, 0x6cb, 0x2968, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x2, 0x20, 0x5, [{{0x9, 0x4, 0x0, 0xfe, 0x1, 0x3, 0x1, 0x3, 0x0, {0x9, 0x21, 0x7, 0x1, 0x1, {0x22, 0x9f8}}, {{{0x9, 0x5, 0x81, 0x3, 0x40, 0x1, 0x80, 0xb5}}}}}]}}]}}, 0x0) truncate(&(0x7f00000013c0)='./file1\x00', 0x0) syz_mount_image$udf(&(0x7f0000000c00), &(0x7f0000000c40)='./file0\x00', 0x0, &(0x7f0000000c80), 0x1, 0xbc2, &(0x7f0000000cc0)="$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") openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='memory.events\x00', 0x275a, 0x0) setsockopt(0xffffffffffffffff, 0x84, 0x81, &(0x7f00000002c0)="1a", 0x1) syz_mount_image$squashfs(&(0x7f0000000100), &(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000800)=ANY=[@ANYBLOB="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"], 0x1, 0x199, &(0x7f0000000380)="$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") r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00', 0x7a05, 0x1700) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) close(r4) r5 = socket$inet6_mptcp(0xa, 0x1, 0x106) bind$inet6(r4, &(0x7f0000000080)={0xa, 0x4e22, 0x0, @empty}, 0x1c) listen(r5, 0x4) r6 = socket$inet_mptcp(0x2, 0x1, 0x106) connect$inet(r6, &(0x7f0000000000)={0x2, 0x4e22, @empty}, 0x10) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = fanotify_init(0x8, 0x0) r9 = dup(r7) fanotify_mark(r8, 0x401, 0x30, r9, 0x0) writev(r6, &(0x7f0000000340)=[{&(0x7f0000000440)='K', 0x1}], 0x1) write$cgroup_int(r3, &(0x7f0000000200), 0xf000) r10 = openat$proc_mixer(0xffffffffffffff9c, &(0x7f0000000040)='/proc/asound/card0/oss_mixer\x00', 0x200001, 0x0) pwrite64(r10, &(0x7f0000000540)="db64c3de9ebc5439f9dab7dabd4453c1bf7948152b3be811ea287abdf98202cd89e1fd9032443416a8482fc80c4ee53ff5500844bc3a440f9250f369889d0d5a5bf1cc3e7bdb755b506d3fd39ef149d885431b2d6baa1dfc23444cd447c41c1987eec5bbc03b72fd435e40ca4efd3f452ccab186e77a952105b402f857597bf0", 0x80, 0x8) [ 86.256882][ T4702] Bluetooth: hci0: command tx timeout [ 86.390700][ T5357] loop0: detected capacity change from 0 to 2048 [ 86.514704][ T5357] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 86.543793][ T5357] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 86.568219][ T5357] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 86.574695][ T5357] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 86.605755][ T26] audit: type=1800 audit(1755972545.861:2): pid=5357 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=1346 res=0 errno=0 [ 86.646903][ T50] cfg80211: failed to load regulatory.db [ 86.985755][ T50] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 87.301464][ T5357] [ 87.302866][ T5357] ============================================ [ 87.305956][ T5357] WARNING: possible recursive locking detected [ 87.308945][ T5357] syzkaller #0 Not tainted [ 87.311110][ T5357] -------------------------------------------- [ 87.313891][ T5357] syz.0.0/5357 is trying to acquire lock: [ 87.316335][ T5357] ffff88803feba928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0x9e2/0x17f0 [ 87.320963][ T5357] [ 87.320963][ T5357] but task is already holding lock: [ 87.324930][ T5357] ffff88803feba928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_new_block+0xfab/0x1ba0 [ 87.329269][ T5357] [ 87.329269][ T5357] other info that might help us debug this: [ 87.332796][ T5357] Possible unsafe locking scenario: [ 87.332796][ T5357] [ 87.336163][ T5357] CPU0 [ 87.337998][ T5357] ---- [ 87.339785][ T5357] lock(&sbi->s_alloc_mutex); [ 87.342262][ T5357] lock(&sbi->s_alloc_mutex); [ 87.344443][ T5357] [ 87.344443][ T5357] *** DEADLOCK *** [ 87.344443][ T5357] [ 87.347902][ T5357] May be due to missing lock nesting notation [ 87.347902][ T5357] [ 87.351353][ T5357] 5 locks held by syz.0.0/5357: [ 87.353427][ T5357] #0: ffff88803e1f90f8 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x247/0x320 [ 87.357575][ T5357] #1: ffff888011486428 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x211/0xb30 [ 87.362340][ T5357] #2: ffff888044615c20 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: udf_file_write_iter+0x6e/0x6c0 [ 87.366979][ T5357] #3: ffff888044615a50 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x283/0x45f0 [ 87.370955][ T5357] #4: ffff88803feba928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_new_block+0xfab/0x1ba0 [ 87.375553][ T5357] [ 87.375553][ T5357] stack backtrace: [ 87.378602][ T5357] CPU: 0 UID: 0 PID: 5357 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.378626][ T5357] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 87.378637][ T5357] Call Trace: [ 87.378647][ T5357] [ 87.378655][ T5357] dump_stack_lvl+0x189/0x250 [ 87.378681][ T5357] ? __pfx_dump_stack_lvl+0x10/0x10 [ 87.378698][ T5357] ? __pfx__printk+0x10/0x10 [ 87.378718][ T5357] ? print_lock_name+0xde/0x100 [ 87.378738][ T5357] print_deadlock_bug+0x28b/0x2a0 [ 87.378754][ T5357] validate_chain+0x1a3f/0x2140 [ 87.378769][ T5357] ? __schedule+0x17ae/0x4cc0 [ 87.378855][ T5357] __lock_acquire+0xab9/0xd20 [ 87.378879][ T5357] ? udf_free_blocks+0x9e2/0x17f0 [ 87.378898][ T5357] lock_acquire+0x120/0x360 [ 87.378937][ T5357] ? udf_free_blocks+0x9e2/0x17f0 [ 87.378957][ T5357] ? css_rstat_updated+0x23a/0x4f0 [ 87.378973][ T5357] __mutex_lock+0x187/0x1350 [ 87.378993][ T5357] ? udf_free_blocks+0x9e2/0x17f0 [ 87.379011][ T5357] ? folio_mark_accessed+0x42c/0x8b0 [ 87.379031][ T5357] ? __pfx_folio_mark_accessed+0x10/0x10 [ 87.379050][ T5357] ? udf_free_blocks+0x9e2/0x17f0 [ 87.379070][ T5357] ? __pfx___mutex_lock+0x10/0x10 [ 87.379091][ T5357] ? __pfx___might_resched+0x10/0x10 [ 87.379102][ T5357] ? fs_reclaim_acquire+0x7d/0x100 [ 87.379122][ T5357] udf_free_blocks+0x9e2/0x17f0 [ 87.379144][ T5357] ? udf_get_fileshortad+0x6e/0x1b0 [ 87.379164][ T5357] ? __pfx_udf_free_blocks+0x10/0x10 [ 87.379190][ T5357] udf_delete_aext+0x4df/0xbc0 [ 87.379204][ T5357] ? udf_get_fileshortad+0x6e/0x1b0 [ 87.379224][ T5357] ? __pfx_udf_delete_aext+0x10/0x10 [ 87.379252][ T5357] udf_new_block+0x1404/0x1ba0 [ 87.379277][ T5357] ? udf_write_aext+0x4ff/0x7b0 [ 87.379292][ T5357] ? udf_do_extend_file+0xe3b/0x1180 [ 87.379305][ T5357] ? udf_get_filelongad+0x6e/0x1b0 [ 87.379324][ T5357] ? __pfx_udf_new_block+0x10/0x10 [ 87.379351][ T5357] udf_map_block+0x13a8/0x45f0 [ 87.379372][ T5357] ? __pfx_udf_map_block+0x10/0x10 [ 87.379384][ T5357] ? mlock_drain_local+0x79/0x490 [ 87.379401][ T5357] ? mlock_drain_local+0x28e/0x490 [ 87.379429][ T5357] ? submit_page_section+0x5f9/0xa40 [ 87.379447][ T5357] __udf_get_block+0x52/0x250 [ 87.379462][ T5357] ? __pfx_udf_get_block+0x10/0x10 [ 87.379475][ T5357] __blockdev_direct_IO+0x16fc/0x3490 [ 87.379503][ T5357] ? __pfx___blockdev_direct_IO+0x10/0x10 [ 87.379521][ T5357] ? __pfx_invalidate_inode_pages2_range+0x10/0x10 [ 87.379536][ T5357] ? __pfx_udf_get_block+0x10/0x10 [ 87.379549][ T5357] ? filemap_write_and_wait_range+0x18a/0x320 [ 87.379567][ T5357] ? __pfx_filemap_write_and_wait_range+0x10/0x10 [ 87.379584][ T5357] ? inode_set_ctime_to_ts+0x126/0x2f0 [ 87.379606][ T5357] ? current_time+0x26c/0x370 [ 87.379629][ T5357] udf_direct_IO+0x139/0x200 [ 87.379642][ T5357] generic_file_direct_write+0x1d8/0x3e0 [ 87.379656][ T5357] ? file_update_time+0x416/0x490 [ 87.379675][ T5357] __generic_file_write_iter+0x11d/0x230 [ 87.379688][ T5357] ? udf_file_write_iter+0x1a3/0x6c0 [ 87.379709][ T5357] udf_file_write_iter+0x2d5/0x6c0 [ 87.379729][ T5357] vfs_write+0x5c9/0xb30 [ 87.379745][ T5357] ? __pfx_udf_file_write_iter+0x10/0x10 [ 87.379766][ T5357] ? __pfx_vfs_write+0x10/0x10 [ 87.379782][ T5357] ? __fget_files+0x2a/0x420 [ 87.379801][ T5357] ksys_write+0x145/0x250 [ 87.379816][ T5357] ? __pfx_ksys_write+0x10/0x10 [ 87.379830][ T5357] ? rcu_is_watching+0x15/0xb0 [ 87.379844][ T5357] ? do_syscall_64+0xbe/0x3b0 [ 87.379863][ T5357] do_syscall_64+0xfa/0x3b0 [ 87.379883][ T5357] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.379897][ T5357] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 87.379923][ T5357] ? clear_bhb_loop+0x60/0xb0 [ 87.379938][ T5357] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.379952][ T5357] RIP: 0033:0x7fde3038ebe9 [ 87.379967][ T5357] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 87.379979][ T5357] RSP: 002b:00007fde3112c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.379997][ T5357] RAX: ffffffffffffffda RBX: 00007fde305b5fa0 RCX: 00007fde3038ebe9 [ 87.380008][ T5357] RDX: 000000000000f000 RSI: 0000200000000200 RDI: 0000000000000009 [ 87.380017][ T5357] RBP: 00007fde30411e19 R08: 0000000000000000 R09: 0000000000000000 [ 87.380025][ T5357] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.380032][ T5357] R13: 00007fde305b6038 R14: 00007fde305b5fa0 R15: 00007ffee434f428 [ 87.380041][ T5357] [ 88.305532][ T45] Bluetooth: hci0: command tx timeout [ 90.387774][ T45] Bluetooth: hci0: command tx timeout [ 92.145495][ T50] usb 5-1: unable to get BOS descriptor or descriptor too short [ 92.149529][ T50] usb 5-1: unable to read config index 0 descriptor/start: -32 [ 92.152818][ T50] usb 5-1: chopping to 0 config(s) [ 92.156035][ T50] usb 5-1: can't read configurations, error -32 [ 92.285484][ T50] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 92.415412][ T50] usb 5-1: device descriptor read/64, error -32 [ 92.465657][ T45] Bluetooth: hci0: command tx timeout [ 92.525615][ T50] usb usb5-port1: attempt power cycle [ 92.865571][ T50] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 92.886507][ T50] usb 5-1: device descriptor read/8, error -32 [ 93.125483][ T50] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 93.145781][ T50] usb 5-1: device descriptor read/8, error -32