program: syz_mount_image$udf(&(0x7f0000000180), &(0x7f0000000100)='./bus\x00', 0x1014494, &(0x7f00000002c0), 0xfe, 0xc24, &(0x7f0000001480)="$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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 = syz_open_dev$dri(&(0x7f0000000000), 0x0, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r2, 0xc02064b2, &(0x7f00000001c0)={0x8, 0x5, 0x20}) ioctl$DRM_IOCTL_SET_CLIENT_CAP(r2, 0x4010640d, &(0x7f0000000040)={0x7}) r3 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) ftruncate(r3, 0x2007ffb) sendfile(r1, r3, 0x0, 0x1000000201005) r4 = syz_open_dev$loop(&(0x7f0000000140), 0x0, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(r4, 0x4c09, 0x8000) ioctl$SCSI_IOCTL_SEND_COMMAND(r1, 0x1, 0x0) r5 = socket$inet_sctp(0x2, 0x5, 0x84) bind$inet(r5, &(0x7f0000000080)={0x2, 0x4e22, @empty}, 0x10) syz_mount_image$btrfs(&(0x7f0000005100), &(0x7f0000000000)='./file1\x00', 0x810, &(0x7f0000000140)={[{@nossd_spread}, {@nodatacow}, {@enospc_debug}, {@nossd}, {@nodatasum}, {@autodefrag}, {@user_subvol_rm}, {@max_inline={'max_inline', 0x3d, [0x6d, 0x33, 0x78, 0x39, 0x65, 0x36]}}]}, 0x1, 0x50f3, &(0x7f000000a2c0)="$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truncate(&(0x7f00000000c0)='./file1\x00', 0x8008) truncate(&(0x7f00000000c0)='./file1\x00', 0xefff) unlinkat(0xffffffffffffff9c, &(0x7f0000000380)='./file1\x00', 0x0) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r6 = syz_open_dev$loop(&(0x7f0000000640), 0x0, 0x22400) r7 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file1\x00', 0x6042, 0x144) sendfile(r7, r6, 0x0, 0x80000002) [ 87.900547][ T4680] Bluetooth: hci0: command tx timeout [ 87.992369][ T5335] loop0: detected capacity change from 0 to 2048 [ 88.023634][ T5335] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 88.042288][ T5335] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 88.050766][ T5335] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 88.064237][ T26] audit: type=1800 audit(1768589781.042:2): pid=5335 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 [ 88.553602][ T26] audit: type=1800 audit(1768589781.532:3): pid=5335 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz.0.0" name="file1" dev="loop0" ino=1407 res=0 errno=0 [ 88.589592][ T5335] [ 88.590702][ T5335] ============================================ [ 88.593339][ T5335] WARNING: possible recursive locking detected [ 88.595941][ T5335] syzkaller #0 Not tainted [ 88.597831][ T5335] -------------------------------------------- [ 88.600481][ T5335] syz.0.0/5335 is trying to acquire lock: [ 88.602842][ T5335] ffff888011861928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0xa8f/0x18e0 [ 88.606939][ T5335] [ 88.606939][ T5335] but task is already holding lock: [ 88.610069][ T5335] ffff888011861928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_new_block+0xfeb/0x1be0 [ 88.613959][ T5335] [ 88.613959][ T5335] other info that might help us debug this: [ 88.617434][ T5335] Possible unsafe locking scenario: [ 88.617434][ T5335] [ 88.620658][ T5335] CPU0 [ 88.622189][ T5335] ---- [ 88.623647][ T5335] lock(&sbi->s_alloc_mutex); [ 88.625773][ T5335] lock(&sbi->s_alloc_mutex); [ 88.627869][ T5335] [ 88.627869][ T5335] *** DEADLOCK *** [ 88.627869][ T5335] [ 88.631240][ T5335] May be due to missing lock nesting notation [ 88.631240][ T5335] [ 88.634605][ T5335] 4 locks held by syz.0.0/5335: [ 88.636593][ T5335] #0: ffff888037d6a420 (sb_writers#12){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x160 [ 88.640582][ T5335] #1: ffff888047701be0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: udf_file_write_iter+0x6e/0x6c0 [ 88.645150][ T5335] #2: ffff888047701a10 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x283/0x45f0 [ 88.649283][ T5335] #3: ffff888011861928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_new_block+0xfeb/0x1be0 [ 88.653558][ T5335] [ 88.653558][ T5335] stack backtrace: [ 88.656056][ T5335] CPU: 0 UID: 0 PID: 5335 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 88.656072][ T5335] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 88.656081][ T5335] Call Trace: [ 88.656091][ T5335] [ 88.656096][ T5335] dump_stack_lvl+0xe8/0x150 [ 88.656114][ T5335] print_deadlock_bug+0x279/0x290 [ 88.656130][ T5335] __lock_acquire+0x2540/0x2cf0 [ 88.656142][ T5335] ? __pfx_css_rstat_updated+0x10/0x10 [ 88.656157][ T5335] ? __resched_curr+0x202/0x3e0 [ 88.656171][ T5335] ? udf_free_blocks+0xa8f/0x18e0 [ 88.656181][ T5335] lock_acquire+0x107/0x340 [ 88.656193][ T5335] ? udf_free_blocks+0xa8f/0x18e0 [ 88.656206][ T5335] __mutex_lock+0x187/0x1350 [ 88.656265][ T5335] ? udf_free_blocks+0xa8f/0x18e0 [ 88.656278][ T5335] ? __lock_acquire+0x6b6/0x2cf0 [ 88.656291][ T5335] ? pick_next_task_fair+0x17f/0x2130 [ 88.656304][ T5335] ? udf_free_blocks+0xa8f/0x18e0 [ 88.656317][ T5335] ? __pfx___mutex_lock+0x10/0x10 [ 88.656327][ T5335] ? folio_mark_accessed+0x42c/0x8b0 [ 88.656345][ T5335] ? fs_reclaim_acquire+0x7d/0x100 [ 88.656360][ T5335] ? fs_reclaim_acquire+0x7d/0x100 [ 88.656374][ T5335] udf_free_blocks+0xa8f/0x18e0 [ 88.656386][ T5335] ? bdev_getblk+0x583/0x6e0 [ 88.656400][ T5335] ? udf_get_fileshortad+0x6e/0x1b0 [ 88.656412][ T5335] ? udf_current_aext+0x698/0xb30 [ 88.656426][ T5335] ? __pfx_udf_free_blocks+0x10/0x10 [ 88.656438][ T5335] ? udf_next_aext+0x447/0x540 [ 88.656453][ T5335] udf_delete_aext+0x4df/0xbc0 [ 88.656467][ T5335] ? __pfx_udf_delete_aext+0x10/0x10 [ 88.656478][ T5335] ? udf_next_aext+0x447/0x540 [ 88.656492][ T5335] udf_new_block+0x1444/0x1be0 [ 88.656505][ T5335] ? udf_write_aext+0x4ff/0x7b0 [ 88.656518][ T5335] ? udf_do_extend_file+0xe3b/0x1180 [ 88.656530][ T5335] ? __pfx_udf_new_block+0x10/0x10 [ 88.656545][ T5335] udf_map_block+0x13a8/0x45f0 [ 88.656557][ T5335] ? blkg_tryget+0x20/0x250 [ 88.656574][ T5335] ? __pfx_udf_map_block+0x10/0x10 [ 88.656586][ T5335] ? bio_associate_blkg+0x6d/0x230 [ 88.656603][ T5335] ? bio_associate_blkg+0x6d/0x230 [ 88.656622][ T5335] ? dio_bio_add_page+0x24f/0x470 [ 88.656636][ T5335] ? dio_send_cur_page+0x4fe/0x760 [ 88.656647][ T5335] ? submit_page_section+0x5f9/0xa40 [ 88.656658][ T5335] __udf_get_block+0x52/0x250 [ 88.656671][ T5335] ? __pfx_udf_get_block+0x10/0x10 [ 88.656682][ T5335] __blockdev_direct_IO+0x16ff/0x3490 [ 88.656708][ T5335] ? __pfx___blockdev_direct_IO+0x10/0x10 [ 88.656721][ T5335] ? __pfx_invalidate_inode_pages2_range+0x10/0x10 [ 88.656738][ T5335] ? __pfx_udf_get_block+0x10/0x10 [ 88.656752][ T5335] ? filemap_write_and_wait_range+0x18a/0x320 [ 88.656764][ T5335] ? __pfx_filemap_write_and_wait_range+0x10/0x10 [ 88.656774][ T5335] ? inode_set_ctime_current+0x271/0xaf0 [ 88.656783][ T5335] ? ktime_get_coarse_real_ts64_mg+0x1c5/0x1e0 [ 88.656791][ T5335] ? current_time+0x26c/0x360 [ 88.656799][ T5335] udf_direct_IO+0x139/0x200 [ 88.656807][ T5335] generic_file_direct_write+0x1db/0x3e0 [ 88.656814][ T5335] __generic_file_write_iter+0x11d/0x230 [ 88.656820][ T5335] ? udf_file_write_iter+0x2c4/0x6c0 [ 88.656826][ T5335] udf_file_write_iter+0x2d5/0x6c0 [ 88.656833][ T5335] iter_file_splice_write+0x972/0x10b0 [ 88.656844][ T5335] ? __pfx_iter_file_splice_write+0x10/0x10 [ 88.656857][ T5335] ? __pfx_iter_file_splice_write+0x10/0x10 [ 88.656867][ T5335] direct_splice_actor+0x101/0x160 [ 88.656878][ T5335] splice_direct_to_actor+0x5a8/0xcc0 [ 88.656893][ T5335] ? __pfx_direct_splice_actor+0x10/0x10 [ 88.656903][ T5335] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 88.656916][ T5335] do_splice_direct+0x181/0x270 [ 88.656927][ T5335] ? __pfx_do_splice_direct+0x10/0x10 [ 88.656936][ T5335] ? common_file_perm+0x1b5/0x220 [ 88.656948][ T5335] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 88.656961][ T5335] ? rw_verify_area+0x255/0x4d0 [ 88.656974][ T5335] do_sendfile+0x4da/0x7e0 [ 88.656984][ T5335] ? lockdep_hardirqs_on+0x7b/0x110 [ 88.656996][ T5335] ? __pfx_do_sendfile+0x10/0x10 [ 88.657008][ T5335] ? __se_sys_futex+0x36f/0x400 [ 88.657022][ T5335] __se_sys_sendfile64+0x13e/0x190 [ 88.657034][ T5335] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 88.657047][ T5335] do_syscall_64+0xec/0xf80 [ 88.657056][ T5335] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.657066][ T5335] ? trace_irq_disable+0x37/0x100 [ 88.657079][ T5335] ? clear_bhb_loop+0x60/0xb0 [ 88.657090][ T5335] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 88.657101][ T5335] RIP: 0033:0x7f0361f8f7c9 [ 88.657113][ T5335] 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 [ 88.657122][ T5335] RSP: 002b:00007f0362d93038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 88.657134][ T5335] RAX: ffffffffffffffda RBX: 00007f03621e5fa0 RCX: 00007f0361f8f7c9 [ 88.657144][ T5335] RDX: 0000000000000000 RSI: 000000000000000b RDI: 000000000000000c [ 88.657153][ T5335] RBP: 00007f0362013f91 R08: 0000000000000000 R09: 0000000000000000 [ 88.657159][ T5335] R10: 0000000080000002 R11: 0000000000000246 R12: 0000000000000000 [ 88.657165][ T5335] R13: 00007f03621e6038 R14: 00007f03621e5fa0 R15: 00007ffdda1ecbe8 [ 88.657174][ T5335] [ 89.965831][ T4680] Bluetooth: hci0: command tx timeout [ 91.809971][ T10] cfg80211: failed to load regulatory.db [ 92.045891][ T4680] Bluetooth: hci0: command tx timeout [ 94.125676][ T4680] Bluetooth: hci0: command tx timeout