program: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x4000000004002, 0x0) dup(r0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000000c0)={0x14, 0x21, 0x301, 0x270bd24, 0x25dfdbfd, {0x1}}, 0x14}}, 0x0) r2 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000380)='./binderfs/binder0\x00', 0x0, 0x0) r3 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000200)='./binderfs/binder0\x00', 0x0, 0x0) r4 = dup3(r3, r2, 0x0) ioctl$BINDER_WRITE_READ(r2, 0xc0306201, &(0x7f00000001c0)={0x4c, 0x0, &(0x7f0000000100)=[@transaction_sg={0x40486311, {0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x1000}], 0x0, 0x0, 0x0}) ioctl$BINDER_THREAD_EXIT(r4, 0x40046208, 0x0) syz_mount_image$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)="$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") r5 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ftruncate(r5, 0x2007ffc) syz_genetlink_get_family_id$fou(&(0x7f0000000580), r5) sendfile(r5, r5, 0x0, 0x800000009) socket$pptp(0x18, 0x1, 0x2) r6 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r7 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) ftruncate(r7, 0x2007ffb) sendfile(r6, r7, 0x0, 0x1000000201005) creat(&(0x7f0000000000)='./bus\x00', 0x0) mount(&(0x7f0000000440)=@loop={'/dev/loop', 0x0}, &(0x7f0000000080)='./bus\x00', 0x0, 0x1000, 0x0) r8 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) r9 = gettid() futex(&(0x7f000000cffc), 0x0, 0x0, 0x0, 0x0, 0x0) timer_create(0x0, &(0x7f0000533fa0)={0x0, 0x21, 0x800000000004, @tid=r9}, &(0x7f0000bbdffc)) timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000080)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x256c, 0x6d, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x5}}}}]}}]}}, 0x0) futex(&(0x7f000000cffc), 0x1, 0x0, 0x0, 0x0, 0x0) ioctl$LOOP_SET_STATUS64(r8, 0x4c04, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x7fffffffffffffff, 0x400, 0x0, 0x0, 0x1, 0x0, "ef35af413bb901527fe4d0ce5d29c3ee5e5c3676345a41499db7aac63a01000000000000004faa2ae2c084a0ea0000000000000000000c00002000", "036c47c67808200400000000000000335263bdbcef549ba197fce47ddfdd753abd950100002a00ffffffffffffffff00000000e8f20000000200", "b7326736181c208220000000b9000000000000000000f0fffffffff2ff00", [0x4]}) creat(&(0x7f0000000040)='./file1\x00', 0xd) [ 85.016189][ T5323] Bluetooth: hci0: command tx timeout [ 85.153067][ T5352] loop0: detected capacity change from 0 to 2048 [ 85.177852][ T5352] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 85.210121][ T5352] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 85.230763][ T5352] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 85.245729][ T5352] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 85.260214][ T25] audit: type=1800 audit(1767544178.322:2): pid=5352 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 [ 85.418977][ T5352] [ 85.419984][ T5352] ============================================ [ 85.422408][ T5352] WARNING: possible recursive locking detected [ 85.425090][ T5352] syzkaller #0 Not tainted [ 85.427117][ T5352] -------------------------------------------- [ 85.429646][ T5352] syz.0.0/5352 is trying to acquire lock: [ 85.432069][ T5352] ffff88803730b128 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0xa8f/0x18e0 [ 85.436429][ T5352] [ 85.436429][ T5352] but task is already holding lock: [ 85.439788][ T5352] ffff88803730b128 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_new_block+0xfeb/0x1be0 [ 85.443702][ T5352] [ 85.443702][ T5352] other info that might help us debug this: [ 85.447212][ T5352] Possible unsafe locking scenario: [ 85.447212][ T5352] [ 85.450378][ T5352] CPU0 [ 85.451892][ T5352] ---- [ 85.453345][ T5352] lock(&sbi->s_alloc_mutex); [ 85.455325][ T5352] lock(&sbi->s_alloc_mutex); [ 85.457256][ T5352] [ 85.457256][ T5352] *** DEADLOCK *** [ 85.457256][ T5352] [ 85.461029][ T5352] May be due to missing lock nesting notation [ 85.461029][ T5352] [ 85.464716][ T5352] 4 locks held by syz.0.0/5352: [ 85.467066][ T5352] #0: ffff8880328b6420 (sb_writers#12){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x160 [ 85.471342][ T5352] #1: ffff8880476f0f40 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: udf_file_write_iter+0x6e/0x6c0 [ 85.476181][ T5352] #2: ffff8880476f0d70 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x283/0x45f0 [ 85.480464][ T5352] #3: ffff88803730b128 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_new_block+0xfeb/0x1be0 [ 85.484655][ T5352] [ 85.484655][ T5352] stack backtrace: [ 85.487309][ T5352] CPU: 0 UID: 0 PID: 5352 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.487323][ T5352] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.487330][ T5352] Call Trace: [ 85.487337][ T5352] [ 85.487343][ T5352] dump_stack_lvl+0xe8/0x150 [ 85.487360][ T5352] print_deadlock_bug+0x279/0x290 [ 85.487372][ T5352] __lock_acquire+0x2540/0x2cf0 [ 85.487383][ T5352] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 85.487445][ T5352] ? __pfx___schedule+0x10/0x10 [ 85.487460][ T5352] ? udf_free_blocks+0xa8f/0x18e0 [ 85.487475][ T5352] lock_acquire+0x107/0x340 [ 85.487484][ T5352] ? udf_free_blocks+0xa8f/0x18e0 [ 85.487497][ T5352] __mutex_lock+0x187/0x1350 [ 85.487506][ T5352] ? udf_free_blocks+0xa8f/0x18e0 [ 85.487518][ T5352] ? __lock_acquire+0x6b6/0x2cf0 [ 85.487536][ T5352] ? udf_free_blocks+0xa8f/0x18e0 [ 85.487553][ T5352] ? __pfx___mutex_lock+0x10/0x10 [ 85.487568][ T5352] ? folio_mark_accessed+0x42c/0x8b0 [ 85.487596][ T5352] ? fs_reclaim_acquire+0x7d/0x100 [ 85.487621][ T5352] ? fs_reclaim_acquire+0x7d/0x100 [ 85.487646][ T5352] udf_free_blocks+0xa8f/0x18e0 [ 85.487666][ T5352] ? bdev_getblk+0x583/0x6e0 [ 85.487688][ T5352] ? udf_get_fileshortad+0x6e/0x1b0 [ 85.487702][ T5352] ? udf_current_aext+0x698/0xb30 [ 85.487715][ T5352] ? __pfx_udf_free_blocks+0x10/0x10 [ 85.487726][ T5352] ? udf_next_aext+0x447/0x540 [ 85.487754][ T5352] udf_delete_aext+0x4df/0xbc0 [ 85.487767][ T5352] ? __pfx_udf_delete_aext+0x10/0x10 [ 85.487778][ T5352] ? udf_next_aext+0x447/0x540 [ 85.487790][ T5352] udf_new_block+0x1444/0x1be0 [ 85.487802][ T5352] ? bdev_getblk+0xbf/0x6e0 [ 85.487815][ T5352] ? bdev_getblk+0x583/0x6e0 [ 85.487828][ T5352] ? __pfx_udf_new_block+0x10/0x10 [ 85.487843][ T5352] udf_map_block+0x13a8/0x45f0 [ 85.487857][ T5352] ? __pfx_udf_map_block+0x10/0x10 [ 85.487877][ T5352] ? do_raw_spin_unlock+0x4d/0x240 [ 85.487891][ T5352] __udf_get_block+0x52/0x250 [ 85.487903][ T5352] __block_write_begin_int+0x6b5/0x1900 [ 85.487921][ T5352] ? __pfx_udf_get_block+0x10/0x10 [ 85.487932][ T5352] ? __pfx___block_write_begin_int+0x10/0x10 [ 85.487947][ T5352] ? __pfx_udf_get_block+0x10/0x10 [ 85.487957][ T5352] block_write_begin+0x8d/0x120 [ 85.487971][ T5352] ? udf_write_begin+0x92/0x270 [ 85.487982][ T5352] udf_write_begin+0x118/0x270 [ 85.487993][ T5352] generic_perform_write+0x2c5/0x900 [ 85.488007][ T5352] ? __pfx_generic_perform_write+0x10/0x10 [ 85.488017][ T5352] ? generic_file_direct_write+0x385/0x3e0 [ 85.488028][ T5352] __generic_file_write_iter+0x1ae/0x230 [ 85.488039][ T5352] udf_file_write_iter+0x2d5/0x6c0 [ 85.488082][ T5352] iter_file_splice_write+0x972/0x10b0 [ 85.488098][ T5352] ? __pfx_iter_file_splice_write+0x10/0x10 [ 85.488112][ T5352] ? __pfx_iter_file_splice_write+0x10/0x10 [ 85.488124][ T5352] direct_splice_actor+0x101/0x160 [ 85.488136][ T5352] splice_direct_to_actor+0x5a8/0xcc0 [ 85.488150][ T5352] ? __pfx_direct_splice_actor+0x10/0x10 [ 85.488160][ T5352] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 85.488173][ T5352] do_splice_direct+0x181/0x270 [ 85.488184][ T5352] ? __pfx_do_splice_direct+0x10/0x10 [ 85.488194][ T5352] ? common_file_perm+0x1b5/0x220 [ 85.488206][ T5352] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 85.488219][ T5352] ? rw_verify_area+0x255/0x4d0 [ 85.488234][ T5352] do_sendfile+0x4da/0x7e0 [ 85.488245][ T5352] ? __pfx_do_sendfile+0x10/0x10 [ 85.488255][ T5352] ? __se_sys_futex+0x36f/0x400 [ 85.488267][ T5352] __se_sys_sendfile64+0x13e/0x190 [ 85.488278][ T5352] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 85.488290][ T5352] do_syscall_64+0xec/0xf80 [ 85.488301][ T5352] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.488313][ T5352] ? trace_irq_disable+0x37/0x100 [ 85.488325][ T5352] ? clear_bhb_loop+0x60/0xb0 [ 85.488337][ T5352] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.488348][ T5352] RIP: 0033:0x7f3ec318f7c9 [ 85.488363][ T5352] 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 [ 85.488372][ T5352] RSP: 002b:00007f3ec406a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 85.488383][ T5352] RAX: ffffffffffffffda RBX: 00007f3ec33e5fa0 RCX: 00007f3ec318f7c9 [ 85.488391][ T5352] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000009 [ 85.488396][ T5352] RBP: 00007f3ec3213f91 R08: 0000000000000000 R09: 0000000000000000 [ 85.488403][ T5352] R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000 [ 85.488409][ T5352] R13: 00007f3ec33e6038 R14: 00007f3ec33e5fa0 R15: 00007ffe5775c538 [ 85.488420][ T5352] [ 85.946014][ T5347] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 86.097378][ T5347] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 86.101928][ T5347] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 86.106469][ T5347] usb 5-1: New USB device found, idVendor=256c, idProduct=006d, bcdDevice= 0.00 [ 86.110330][ T5347] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 86.124141][ T5347] usb 5-1: config 0 descriptor?? [ 86.356394][ T5353] loop0: detected capacity change from 2048 to 0 [ 87.076108][ T5323] Bluetooth: hci0: command tx timeout [ 89.156517][ T5323] Bluetooth: hci0: command tx timeout [ 91.157063][ T5347] usbhid 5-1:0.0: can't add hid device: -32 [ 91.159483][ T5347] usbhid 5-1:0.0: probe with driver usbhid failed with error -32 [ 91.236241][ T5323] Bluetooth: hci0: command tx timeout [ 91.798879][ T10] cfg80211: failed to load regulatory.db