program: syz_mount_image$udf(&(0x7f0000000180), &(0x7f0000000100)='./bus\x00', 0x1014494, &(0x7f00000002c0)={[{@iocharset={'iocharset', 0x3d, 'iso8859-4'}}, {@partition={'partition', 0x3d, 0x6}}, {@gid_forget}, {@nostrict}, {@noadinicb}, {@anchor}, {@uid_forget}]}, 0xfe, 0xc24, &(0x7f0000000340)="$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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', 0x185102, 0x0) ftruncate(r2, 0x2007ffb) sendfile(r1, r2, 0x0, 0x1000000201005) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000140)={{0x12, 0x1, 0x250, 0x0, 0x0, 0x0, 0x40, 0x6cb, 0x2968, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x2, 0x20, 0x5, [{{0x9, 0x4, 0x0, 0xfe, 0x1, 0x3, 0x1, 0x3, 0x0, {0x9, 0x21, 0x7, 0x1, 0x1, {0x22, 0x9f8}}, {{{0x9, 0x5, 0x81, 0x3, 0x40, 0x1, 0x80, 0xb5}}}}}]}}]}}, 0x0) truncate(&(0x7f0000000040)='./file1\x00', 0x7fff) r3 = syz_open_dev$usbfs(&(0x7f0000003f00), 0x1ff, 0xa401) ioctl$BINDER_CTL_ADD(r1, 0xc1086201, &(0x7f0000000f80)={'custom1\x00'}) ioctl$USBDEVFS_DISCONNECT_CLAIM(r3, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "ec9fe44d4dbe56a60274fcffffffffffffff14e315eeb406bfdd73835e57efa94b1a0275781c647aa7e3470c6028643b17832b10b386a6f73791011c26a9aa141f406e312295ee620a9a46577b9249b738fe7750bec83bf6ed5b67213fa7d6c0823fd154ed29ede1ff379742c3f0b46caa357d70ee438f901d7645c3f87e4b21482b76f2ad8eaac090272081f98fd2e3e5a63e006204df635e731a5bfcf142f4529517454618de595cd179b9986356f0ebf7d25a57774ef474f86a3ad24ae9f0bf94b99e6b87de5f79d383d05bb32701daed400785a49788f08caecc9e0c48a3740bbe6e1c1fd400cfdfe756bc00d08e36655c00"}) ioctl$USBDEVFS_CONTROL(r3, 0xc0185500, &(0x7f0000000140)={0x82, 0x0, 0x0, 0xff81, 0x0, 0x0, 0x0}) openat$cgroup_ro(r1, &(0x7f00000001c0)='blkio.bfq.io_service_bytes_recursive\x00', 0x0, 0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) syz_mount_image$udf(&(0x7f0000000180), &(0x7f0000000100)='./bus\x00', 0x1014494, &(0x7f00000002c0)={[{@iocharset={'iocharset', 0x3d, 'iso8859-4'}}, {@partition={'partition', 0x3d, 0x6}}, {@gid_forget}, {@nostrict}, {@noadinicb}, {@anchor}, {@uid_forget}]}, 0xfe, 0xc24, &(0x7f0000000340)="$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") (async) open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) (async) ftruncate(r0, 0x2007ffc) (async) sendfile(r0, r0, 0x0, 0x800000009) (async) open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) (async) open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) (async) ftruncate(r2, 0x2007ffb) (async) sendfile(r1, r2, 0x0, 0x1000000201005) (async) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000140)={{0x12, 0x1, 0x250, 0x0, 0x0, 0x0, 0x40, 0x6cb, 0x2968, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x1, 0x2, 0x20, 0x5, [{{0x9, 0x4, 0x0, 0xfe, 0x1, 0x3, 0x1, 0x3, 0x0, {0x9, 0x21, 0x7, 0x1, 0x1, {0x22, 0x9f8}}, {{{0x9, 0x5, 0x81, 0x3, 0x40, 0x1, 0x80, 0xb5}}}}}]}}]}}, 0x0) (async) truncate(&(0x7f0000000040)='./file1\x00', 0x7fff) (async) syz_open_dev$usbfs(&(0x7f0000003f00), 0x1ff, 0xa401) (async) ioctl$BINDER_CTL_ADD(r1, 0xc1086201, &(0x7f0000000f80)={'custom1\x00'}) (async) ioctl$USBDEVFS_DISCONNECT_CLAIM(r3, 0x8108551b, &(0x7f0000000000)={0x0, 0x0, "ec9fe44d4dbe56a60274fcffffffffffffff14e315eeb406bfdd73835e57efa94b1a0275781c647aa7e3470c6028643b17832b10b386a6f73791011c26a9aa141f406e312295ee620a9a46577b9249b738fe7750bec83bf6ed5b67213fa7d6c0823fd154ed29ede1ff379742c3f0b46caa357d70ee438f901d7645c3f87e4b21482b76f2ad8eaac090272081f98fd2e3e5a63e006204df635e731a5bfcf142f4529517454618de595cd179b9986356f0ebf7d25a57774ef474f86a3ad24ae9f0bf94b99e6b87de5f79d383d05bb32701daed400785a49788f08caecc9e0c48a3740bbe6e1c1fd400cfdfe756bc00d08e36655c00"}) (async) ioctl$USBDEVFS_CONTROL(r3, 0xc0185500, &(0x7f0000000140)={0x82, 0x0, 0x0, 0xff81, 0x0, 0x0, 0x0}) (async) openat$cgroup_ro(r1, &(0x7f00000001c0)='blkio.bfq.io_service_bytes_recursive\x00', 0x0, 0x0) (async) creat(&(0x7f0000000040)='./bus\x00', 0x0) (async) [ 68.645630][ T4669] Bluetooth: hci0: command tx timeout [ 68.727477][ T5327] loop0: detected capacity change from 0 to 2048 [ 68.757081][ T5327] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 68.774188][ T5327] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 68.782300][ T5327] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 68.791165][ T25] audit: type=1800 audit(1745356548.337:2): pid=5327 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 [ 69.149048][ T58] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 69.313957][ T5327] usb 1-1: USB disconnect, device number 2 [ 69.394142][ T25] audit: type=1800 audit(1745356548.937:3): pid=5328 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 [ 69.404999][ T5329] [ 69.405841][ T5329] ============================================ [ 69.408066][ T5329] WARNING: possible recursive locking detected [ 69.410246][ T5329] 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 Not tainted [ 69.412645][ T5329] -------------------------------------------- [ 69.415032][ T5329] syz.0.0/5329 is trying to acquire lock: [ 69.417194][ T5329] ffff888011dc9928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0xa28/0x22b0 [ 69.420952][ T5329] [ 69.420952][ T5329] but task is already holding lock: [ 69.423591][ T5329] ffff888011dc9928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x864/0x1470 [ 69.427227][ T5329] [ 69.427227][ T5329] other info that might help us debug this: [ 69.430310][ T5329] Possible unsafe locking scenario: [ 69.430310][ T5329] [ 69.433000][ T5329] CPU0 [ 69.434347][ T5329] ---- [ 69.435614][ T5329] lock(&sbi->s_alloc_mutex); [ 69.437544][ T5329] lock(&sbi->s_alloc_mutex); [ 69.439359][ T5329] [ 69.439359][ T5329] *** DEADLOCK *** [ 69.439359][ T5329] [ 69.442438][ T5329] May be due to missing lock nesting notation [ 69.442438][ T5329] [ 69.445378][ T5329] 4 locks held by syz.0.0/5329: [ 69.447187][ T5329] #0: ffff88804166c420 (sb_writers#12){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x220 [ 69.450822][ T5329] #1: ffff88804590cf60 (&sb->s_type->i_mutex_key#19){+.+.}-{4:4}, at: udf_file_write_iter+0x6d/0x6c0 [ 69.454864][ T5329] #2: ffff88804590cd90 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x3b9/0x55c0 [ 69.458361][ T5329] #3: ffff888011dc9928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x864/0x1470 [ 69.462120][ T5329] [ 69.462120][ T5329] stack backtrace: [ 69.464368][ T5329] CPU: 0 UID: 0 PID: 5329 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 PREEMPT(full) [ 69.464382][ T5329] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.464388][ T5329] Call Trace: [ 69.464395][ T5329] [ 69.464400][ T5329] dump_stack_lvl+0x241/0x360 [ 69.464414][ T5329] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.464426][ T5329] ? __pfx__printk+0x10/0x10 [ 69.464438][ T5329] ? print_lock+0x171/0x1a0 [ 69.464453][ T5329] print_deadlock_bug+0x2be/0x2d0 [ 69.464464][ T5329] validate_chain+0x928/0x24e0 [ 69.464479][ T5329] __lock_acquire+0xad5/0xd80 [ 69.464494][ T5329] lock_acquire+0x116/0x2f0 [ 69.464505][ T5329] ? udf_free_blocks+0xa28/0x22b0 [ 69.464513][ T5329] __mutex_lock+0x1a5/0x10c0 [ 69.464557][ T5329] ? udf_free_blocks+0xa28/0x22b0 [ 69.464565][ T5329] ? folio_mark_accessed+0x557/0xaa0 [ 69.464574][ T5329] ? udf_free_blocks+0xa28/0x22b0 [ 69.464582][ T5329] ? __pfx___mutex_lock+0x10/0x10 [ 69.464595][ T5329] udf_free_blocks+0xa28/0x22b0 [ 69.464604][ T5329] ? __pfx___might_resched+0x10/0x10 [ 69.464616][ T5329] ? fs_reclaim_acquire+0x93/0x130 [ 69.464629][ T5329] ? bdev_getblk+0x6e/0x670 [ 69.464638][ T5329] ? __pfx_udf_free_blocks+0x10/0x10 [ 69.464647][ T5329] ? udf_current_aext+0x658/0xad0 [ 69.464658][ T5329] ? udf_next_aext+0x3c5/0x490 [ 69.464671][ T5329] udf_delete_aext+0x6f3/0xec0 [ 69.464682][ T5329] ? __pfx_udf_delete_aext+0x10/0x10 [ 69.464695][ T5329] ? udf_next_aext+0x3cc/0x490 [ 69.464707][ T5329] udf_prealloc_blocks+0xd04/0x1470 [ 69.464720][ T5329] ? __pfx_udf_prealloc_blocks+0x10/0x10 [ 69.464731][ T5329] ? udf_next_aext+0x3c5/0x490 [ 69.464741][ T5329] ? udf_map_block+0x1ee9/0x55c0 [ 69.464751][ T5329] udf_map_block+0x2827/0x55c0 [ 69.464762][ T5329] ? __pfx_udf_map_block+0x10/0x10 [ 69.464769][ T5329] ? stack_trace_save+0x11a/0x1d0 [ 69.464776][ T5329] ? alloc_buffer_head+0x2a/0x290 [ 69.464784][ T5329] ? folio_alloc_buffers+0x31f/0x640 [ 69.464793][ T5329] ? create_empty_buffers+0x3a/0x530 [ 69.464799][ T5329] ? __lock_acquire+0xad5/0xd80 [ 69.464810][ T5329] ? mod_objcg_state+0x657/0xac0 [ 69.464819][ T5329] ? lockdep_hardirqs_on+0x9d/0x150 [ 69.464832][ T5329] ? percpu_ref_get_many+0x19/0x140 [ 69.464842][ T5329] ? percpu_ref_get_many+0x19/0x140 [ 69.464852][ T5329] ? __memcg_slab_post_alloc_hook+0x20f/0x7e0 [ 69.464867][ T5329] ? __lock_acquire+0xad5/0xd80 [ 69.464880][ T5329] ? do_raw_spin_lock+0x151/0x370 [ 69.464893][ T5329] __udf_get_block+0x128/0x410 [ 69.464902][ T5329] ? do_raw_spin_unlock+0x58/0x8b0 [ 69.464909][ T5329] ? __pfx___udf_get_block+0x10/0x10 [ 69.464919][ T5329] ? _raw_spin_unlock+0x28/0x50 [ 69.464932][ T5329] ? create_empty_buffers+0x471/0x530 [ 69.464942][ T5329] __block_write_begin_int+0x691/0x1930 [ 69.464955][ T5329] ? __pfx_udf_get_block+0x10/0x10 [ 69.464964][ T5329] ? __pfx___block_write_begin_int+0x10/0x10 [ 69.464976][ T5329] ? __pfx_udf_get_block+0x10/0x10 [ 69.464985][ T5329] block_write_begin+0x8f/0x120 [ 69.464996][ T5329] udf_write_begin+0xfc/0x250 [ 69.465006][ T5329] generic_perform_write+0x329/0xa10 [ 69.465021][ T5329] ? __pfx_generic_perform_write+0x10/0x10 [ 69.465030][ T5329] __generic_file_write_iter+0x1b5/0x230 [ 69.465042][ T5329] udf_file_write_iter+0x2e7/0x6c0 [ 69.465053][ T5329] iter_file_splice_write+0xbdf/0x1530 [ 69.465071][ T5329] ? __pfx_iter_file_splice_write+0x10/0x10 [ 69.465088][ T5329] ? rcu_read_lock_any_held+0xbb/0x160 [ 69.465101][ T5329] ? __pfx_iter_file_splice_write+0x10/0x10 [ 69.465114][ T5329] direct_splice_actor+0x11b/0x220 [ 69.465127][ T5329] splice_direct_to_actor+0x595/0xc90 [ 69.465143][ T5329] ? __pfx_direct_splice_actor+0x10/0x10 [ 69.465157][ T5329] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 69.465172][ T5329] do_splice_direct+0x281/0x3d0 [ 69.465186][ T5329] ? __pfx_do_splice_direct+0x10/0x10 [ 69.465198][ T5329] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 69.465213][ T5329] ? rw_verify_area+0x246/0x630 [ 69.465226][ T5329] do_sendfile+0x582/0x8c0 [ 69.465237][ T5329] ? __pfx_do_sendfile+0x10/0x10 [ 69.465246][ T5329] ? __rseq_handle_notify_resume+0x3c8/0x15d0 [ 69.465258][ T5329] __se_sys_sendfile64+0x17e/0x1e0 [ 69.465268][ T5329] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 69.465277][ T5329] ? do_syscall_64+0xb6/0x210 [ 69.465287][ T5329] do_syscall_64+0xf3/0x210 [ 69.465296][ T5329] ? clear_bhb_loop+0x45/0xa0 [ 69.465307][ T5329] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.465317][ T5329] RIP: 0033:0x7f240658e169 [ 69.465328][ T5329] 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 [ 69.465336][ T5329] RSP: 002b:00007f24029d4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 69.465348][ T5329] RAX: ffffffffffffffda RBX: 00007f24067b6160 RCX: 00007f240658e169 [ 69.465353][ T5329] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [ 69.465357][ T5329] RBP: 00007f2406610a68 R08: 0000000000000000 R09: 0000000000000000 [ 69.465361][ T5329] R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000 [ 69.465365][ T5329] R13: 0000000000000000 R14: 00007f24067b6160 R15: 00007ffc62ceed08 [ 69.465372][ T5329] [ 70.668883][ T4669] Bluetooth: hci0: command tx timeout [ 72.749149][ T4669] Bluetooth: hci0: command tx timeout [ 74.349571][ T58] usb 5-1: unable to get BOS descriptor or descriptor too short [ 74.353213][ T58] usb 5-1: unable to read config index 0 descriptor/start: -32 [ 74.355850][ T58] usb 5-1: chopping to 0 config(s) [ 74.357773][ T58] usb 5-1: can't read configurations, error -32 [ 74.488985][ T58] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 74.618771][ T58] usb 5-1: device descriptor read/64, error -32 [ 74.729132][ T58] usb usb5-port1: attempt power cycle [ 74.828884][ T4669] Bluetooth: hci0: command tx timeout [ 75.068876][ T58] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 75.089300][ T58] usb 5-1: device descriptor read/8, error -32 [ 75.328827][ T58] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 75.349360][ T58] usb 5-1: device descriptor read/8, error -32 [ 75.458912][ T58] usb usb5-port1: unable to enumerate USB device