program: perf_event_open(0x0, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) bpf$PROG_LOAD(0x5, 0x0, 0x0) 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$hid(0x0, 0x36, 0x0, 0x0) open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111) creat(&(0x7f00000001c0)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0) r3 = perf_event_open(&(0x7f0000000fc0)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0xf6103, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100, 0x0, @perf_bp={0x0, 0x8}, 0x40, 0x0, 0x0, 0x0, 0x7, 0x0, 0xffff}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0) r4 = bpf$PROG_LOAD(0x5, &(0x7f00000005c0)={0x7, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) ioctl$PERF_EVENT_IOC_SET_BPF(r3, 0x40042408, r4) perf_event_open(&(0x7f0000000fc0)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x400, 0x66137, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x24000000, 0x0, @perf_bp={0x0, 0x8}, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000005c0)={0x7, 0xc, &(0x7f0000000440)=ANY=[], &(0x7f0000000240)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback=0x2, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='blkio.throttle.io_service_bytes_recursive\x00', 0x275a, 0x0) write$binfmt_script(r5, &(0x7f0000000000)={'#! ', './file0'}, 0xb) [ 83.510377][ T4668] Bluetooth: hci0: command tx timeout [ 83.675053][ T5324] loop0: detected capacity change from 0 to 2048 [ 83.711021][ T5324] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 83.748131][ T5324] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 83.769160][ T5324] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 83.775678][ T5324] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 83.803744][ T24] audit: type=1800 audit(1775320289.584:2): pid=5324 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 [ 84.024519][ T5324] [ 84.025702][ T5324] ============================================ [ 84.028511][ T5324] WARNING: possible recursive locking detected [ 84.031353][ T5324] syzkaller #0 Not tainted [ 84.033520][ T5324] -------------------------------------------- [ 84.036366][ T5324] syz.0.0/5324 is trying to acquire lock: [ 84.039068][ T5324] ffff88801bfd7528 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0xaaf/0x1940 [ 84.043400][ T5324] [ 84.043400][ T5324] but task is already holding lock: [ 84.046672][ T5324] ffff88801bfd7528 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8f6/0x1130 [ 84.051183][ T5324] [ 84.051183][ T5324] other info that might help us debug this: [ 84.054697][ T5324] Possible unsafe locking scenario: [ 84.054697][ T5324] [ 84.058086][ T5324] CPU0 [ 84.059750][ T5324] ---- [ 84.061797][ T5324] lock(&sbi->s_alloc_mutex); [ 84.064704][ T5324] lock(&sbi->s_alloc_mutex); [ 84.067270][ T5324] [ 84.067270][ T5324] *** DEADLOCK *** [ 84.067270][ T5324] [ 84.070906][ T5324] May be due to missing lock nesting notation [ 84.070906][ T5324] [ 84.074460][ T5324] 4 locks held by syz.0.0/5324: [ 84.076743][ T5324] #0: ffff88801f3ca420 (sb_writers#12){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x160 [ 84.081745][ T5324] #1: ffff88801197bb70 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: udf_file_write_iter+0x6f/0x6b0 [ 84.086829][ T5324] #2: ffff88801197b9a0 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x2a4/0x4330 [ 84.092230][ T5324] #3: ffff88801bfd7528 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8f6/0x1130 [ 84.097832][ T5324] [ 84.097832][ T5324] stack backtrace: [ 84.100495][ T5324] CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 84.100515][ T5324] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.100522][ T5324] Call Trace: [ 84.100530][ T5324] [ 84.100536][ T5324] dump_stack_lvl+0xe8/0x150 [ 84.100558][ T5324] print_deadlock_bug+0x279/0x290 [ 84.100577][ T5324] __lock_acquire+0x253f/0x2cf0 [ 84.100592][ T5324] ? __pfx___schedule+0x10/0x10 [ 84.100655][ T5324] ? __queue_work+0x1a1/0x1020 [ 84.100674][ T5324] lock_acquire+0xf0/0x2e0 [ 84.100687][ T5324] ? udf_free_blocks+0xaaf/0x1940 [ 84.100702][ T5324] __mutex_lock+0x19f/0x1300 [ 84.100717][ T5324] ? udf_free_blocks+0xaaf/0x1940 [ 84.100728][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 84.100742][ T5324] ? udf_free_blocks+0xaaf/0x1940 [ 84.100754][ T5324] ? __pfx___mutex_lock+0x10/0x10 [ 84.100766][ T5324] ? folio_mark_accessed+0x442/0x8c0 [ 84.100781][ T5324] ? __lock_acquire+0x6b5/0x2cf0 [ 84.100795][ T5324] udf_free_blocks+0xaaf/0x1940 [ 84.100804][ T5324] ? bdev_getblk+0x582/0x6e0 [ 84.100815][ T5324] ? udf_get_fileshortad+0x6e/0x1b0 [ 84.100826][ T5324] ? udf_current_aext+0x698/0xb30 [ 84.100838][ T5324] ? __pfx_udf_free_blocks+0x10/0x10 [ 84.100858][ T5324] ? udf_next_aext+0x447/0x530 [ 84.100874][ T5324] udf_delete_aext+0x4fb/0xbd0 [ 84.100889][ T5324] ? __pfx_udf_delete_aext+0x10/0x10 [ 84.100901][ T5324] ? udf_next_aext+0x44e/0x530 [ 84.100917][ T5324] udf_prealloc_blocks+0xbd3/0x1130 [ 84.100928][ T5324] ? bdev_getblk+0x582/0x6e0 [ 84.100942][ T5324] ? __pfx_udf_prealloc_blocks+0x10/0x10 [ 84.100954][ T5324] ? udf_map_block+0x15ca/0x4330 [ 84.100966][ T5324] udf_map_block+0x1e8a/0x4330 [ 84.100985][ T5324] ? __pfx_udf_map_block+0x10/0x10 [ 84.101000][ T5324] ? rcu_is_watching+0x15/0xb0 [ 84.101021][ T5324] ? do_raw_spin_unlock+0x4d/0x210 [ 84.101034][ T5324] __udf_get_block+0x52/0x250 [ 84.101048][ T5324] __block_write_begin_int+0x6c6/0x1910 [ 84.101064][ T5324] ? __pfx_udf_get_block+0x10/0x10 [ 84.101075][ T5324] ? __pfx___block_write_begin_int+0x10/0x10 [ 84.101087][ T5324] ? __pfx_udf_get_block+0x10/0x10 [ 84.101098][ T5324] block_write_begin+0x8d/0x120 [ 84.101109][ T5324] ? udf_write_begin+0x92/0x270 [ 84.101121][ T5324] udf_write_begin+0x118/0x270 [ 84.101133][ T5324] generic_perform_write+0x2e2/0x8f0 [ 84.101147][ T5324] ? __pfx_generic_perform_write+0x10/0x10 [ 84.101160][ T5324] ? generic_file_direct_write+0x385/0x3e0 [ 84.101174][ T5324] __generic_file_write_iter+0x1ae/0x230 [ 84.101188][ T5324] udf_file_write_iter+0x2ca/0x6b0 [ 84.101201][ T5324] iter_file_splice_write+0x9a1/0x10f0 [ 84.101233][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10 [ 84.101252][ T5324] ? __pfx_iter_file_splice_write+0x10/0x10 [ 84.101266][ T5324] direct_splice_actor+0x101/0x160 [ 84.101283][ T5324] splice_direct_to_actor+0x53a/0xc70 [ 84.101299][ T5324] ? __pfx_direct_splice_actor+0x10/0x10 [ 84.101315][ T5324] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 84.101331][ T5324] do_splice_direct+0x195/0x290 [ 84.101345][ T5324] ? __pfx_do_splice_direct+0x10/0x10 [ 84.101359][ T5324] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 84.101376][ T5324] ? rw_verify_area+0x255/0x4d0 [ 84.101399][ T5324] do_sendfile+0x535/0x7d0 [ 84.101414][ T5324] ? __pfx_do_sendfile+0x10/0x10 [ 84.101432][ T5324] ? __se_sys_futex+0x3a8/0x450 [ 84.101447][ T5324] __se_sys_sendfile64+0x144/0x1a0 [ 84.101473][ T5324] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 84.101491][ T5324] do_syscall_64+0x14d/0xf80 [ 84.101506][ T5324] ? trace_irq_disable+0x3b/0x150 [ 84.101515][ T5324] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.101527][ T5324] ? clear_bhb_loop+0x40/0x90 [ 84.101538][ T5324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 84.101550][ T5324] RIP: 0033:0x7f2f7979c819 [ 84.101563][ T5324] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 [ 84.101572][ T5324] RSP: 002b:00007f2f7a5e7fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 84.101587][ T5324] RAX: ffffffffffffffda RBX: 00007f2f79a15fa0 RCX: 00007f2f7979c819 [ 84.101595][ T5324] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [ 84.101602][ T5324] RBP: 00007f2f79832c91 R08: 0000000000000000 R09: 0000000000000000 [ 84.101609][ T5324] R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000 [ 84.101616][ T5324] R13: 00007f2f79a16038 R14: 00007f2f79a15fa0 R15: 00007ffd853d08d8 [ 84.101631][ T5324] [ 85.521677][ T4668] Bluetooth: hci0: command tx timeout [ 87.599175][ T4668] Bluetooth: hci0: command tx timeout [ 89.678841][ T4668] Bluetooth: hci0: command tx timeout