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$hid(0x0, 0x36, 0x0, 0x0) open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000480)='memory.events\x00', 0x275a, 0x0) write$UHID_INPUT(r3, &(0x7f0000000940)={0x8, {"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", 0x1000}}, 0x1006) mmap(&(0x7f0000000000/0x4000)=nil, 0x4000, 0x1, 0x10012, r3, 0x0) [ 145.061666][ T4665] Bluetooth: hci0: command tx timeout [ 145.172877][ T5331] loop0: detected capacity change from 0 to 2048 [ 145.189692][ T5331] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 145.214349][ T5331] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 145.234285][ T5331] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 145.240329][ T5331] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 145.260149][ T25] audit: type=1800 audit(1771193780.172:2): pid=5331 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 [ 145.454636][ T5331] [ 145.455761][ T5331] ============================================ [ 145.458615][ T5331] WARNING: possible recursive locking detected [ 145.461363][ T5331] syzkaller #0 Not tainted [ 145.463370][ T5331] -------------------------------------------- [ 145.466052][ T5331] syz.0.0/5331 is trying to acquire lock: [ 145.468485][ T5331] ffff888012606928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0xaaf/0x1940 [ 145.472883][ T5331] [ 145.472883][ T5331] but task is already holding lock: [ 145.475917][ T5331] ffff888012606928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8f6/0x1130 [ 145.480190][ T5331] [ 145.480190][ T5331] other info that might help us debug this: [ 145.483661][ T5331] Possible unsafe locking scenario: [ 145.483661][ T5331] [ 145.486939][ T5331] CPU0 [ 145.488365][ T5331] ---- [ 145.489646][ T5331] lock(&sbi->s_alloc_mutex); [ 145.491330][ T5331] lock(&sbi->s_alloc_mutex); [ 145.493219][ T5331] [ 145.493219][ T5331] *** DEADLOCK *** [ 145.493219][ T5331] [ 145.496351][ T5331] May be due to missing lock nesting notation [ 145.496351][ T5331] [ 145.499650][ T5331] 4 locks held by syz.0.0/5331: [ 145.501773][ T5331] #0: ffff888011e9a420 (sb_writers#12){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x160 [ 145.505756][ T5331] #1: ffff88804773fb70 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: udf_file_write_iter+0x6f/0x6b0 [ 145.510000][ T5331] #2: ffff88804773f9a0 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x2a4/0x4330 [ 145.513817][ T5331] #3: ffff888012606928 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8f6/0x1130 [ 145.518058][ T5331] [ 145.518058][ T5331] stack backtrace: [ 145.520591][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 145.520606][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 145.520612][ T5331] Call Trace: [ 145.520619][ T5331] [ 145.520659][ T5331] dump_stack_lvl+0xe8/0x150 [ 145.520675][ T5331] print_deadlock_bug+0x279/0x290 [ 145.520687][ T5331] __lock_acquire+0x253f/0x2cf0 [ 145.520696][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 145.520753][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 145.520761][ T5331] lock_acquire+0xf0/0x2e0 [ 145.520769][ T5331] ? udf_free_blocks+0xaaf/0x1940 [ 145.520777][ T5331] __mutex_lock+0x19f/0x1300 [ 145.520865][ T5331] ? udf_free_blocks+0xaaf/0x1940 [ 145.520872][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 145.520879][ T5331] ? udf_free_blocks+0xaaf/0x1940 [ 145.520885][ T5331] ? rcu_is_watching+0x15/0xb0 [ 145.520894][ T5331] ? __pfx___mutex_lock+0x10/0x10 [ 145.520900][ T5331] ? folio_mark_accessed+0x442/0x8c0 [ 145.520910][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 145.520918][ T5331] udf_free_blocks+0xaaf/0x1940 [ 145.520926][ T5331] ? bdev_getblk+0x582/0x6e0 [ 145.520935][ T5331] ? udf_get_fileshortad+0x6e/0x1b0 [ 145.520941][ T5331] ? udf_current_aext+0x698/0xb30 [ 145.520948][ T5331] ? __pfx_udf_free_blocks+0x10/0x10 [ 145.520955][ T5331] ? udf_next_aext+0x447/0x530 [ 145.520963][ T5331] udf_delete_aext+0x4fb/0xbd0 [ 145.520972][ T5331] ? __pfx_udf_delete_aext+0x10/0x10 [ 145.520979][ T5331] ? udf_next_aext+0x44e/0x530 [ 145.520990][ T5331] udf_prealloc_blocks+0xbd3/0x1130 [ 145.521000][ T5331] ? bdev_getblk+0x582/0x6e0 [ 145.521014][ T5331] ? __pfx_udf_prealloc_blocks+0x10/0x10 [ 145.521025][ T5331] ? udf_map_block+0x15ca/0x4330 [ 145.521036][ T5331] udf_map_block+0x1e8a/0x4330 [ 145.521043][ T5331] ? __lock_acquire+0x6b5/0x2cf0 [ 145.521055][ T5331] ? percpu_ref_get_many+0x19/0x140 [ 145.521069][ T5331] ? __pfx_udf_map_block+0x10/0x10 [ 145.521079][ T5331] ? percpu_ref_get_many+0x19/0x140 [ 145.521093][ T5331] ? percpu_ref_get_many+0x19/0x140 [ 145.521112][ T5331] ? rcu_is_watching+0x15/0xb0 [ 145.521119][ T5331] ? trace_kmem_cache_alloc+0x29/0xf0 [ 145.521128][ T5331] ? kmem_cache_alloc_noprof+0x307/0x650 [ 145.521136][ T5331] ? do_raw_spin_lock+0x12b/0x2f0 [ 145.521143][ T5331] ? do_raw_spin_unlock+0x4d/0x210 [ 145.521149][ T5331] __udf_get_block+0x52/0x250 [ 145.521155][ T5331] ? create_empty_buffers+0x465/0x530 [ 145.521164][ T5331] __block_write_begin_int+0x6c6/0x1910 [ 145.521176][ T5331] ? __pfx_udf_get_block+0x10/0x10 [ 145.521183][ T5331] ? __pfx___block_write_begin_int+0x10/0x10 [ 145.521192][ T5331] ? __pfx_udf_get_block+0x10/0x10 [ 145.521198][ T5331] block_write_begin+0x8d/0x120 [ 145.521206][ T5331] ? udf_write_begin+0x92/0x270 [ 145.521213][ T5331] udf_write_begin+0x118/0x270 [ 145.521220][ T5331] generic_perform_write+0x2e2/0x8f0 [ 145.521232][ T5331] ? __pfx_generic_perform_write+0x10/0x10 [ 145.521242][ T5331] ? generic_file_direct_write+0x385/0x3e0 [ 145.521252][ T5331] __generic_file_write_iter+0x1ae/0x230 [ 145.521258][ T5331] udf_file_write_iter+0x2ca/0x6b0 [ 145.521265][ T5331] iter_file_splice_write+0x99b/0x1100 [ 145.521276][ T5331] ? __pfx_iter_file_splice_write+0x10/0x10 [ 145.521284][ T5331] ? __pfx_iter_file_splice_write+0x10/0x10 [ 145.521291][ T5331] direct_splice_actor+0x101/0x160 [ 145.521298][ T5331] splice_direct_to_actor+0x53a/0xc70 [ 145.521306][ T5331] ? __pfx_direct_splice_actor+0x10/0x10 [ 145.521314][ T5331] ? __pfx_splice_direct_to_actor+0x10/0x10 [ 145.521322][ T5331] do_splice_direct+0x195/0x290 [ 145.521328][ T5331] ? __pfx_do_splice_direct+0x10/0x10 [ 145.521335][ T5331] ? __pfx_direct_file_splice_eof+0x10/0x10 [ 145.521343][ T5331] ? rw_verify_area+0x255/0x4d0 [ 145.521352][ T5331] do_sendfile+0x535/0x7d0 [ 145.521361][ T5331] ? __pfx_do_sendfile+0x10/0x10 [ 145.521368][ T5331] ? __se_sys_futex+0x3a8/0x450 [ 145.521376][ T5331] __se_sys_sendfile64+0x144/0x1a0 [ 145.521382][ T5331] ? __pfx___se_sys_sendfile64+0x10/0x10 [ 145.521390][ T5331] do_syscall_64+0x14d/0xf80 [ 145.521414][ T5331] ? trace_irq_disable+0x3b/0x150 [ 145.521422][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.521429][ T5331] ? clear_bhb_loop+0x40/0x90 [ 145.521435][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 145.521442][ T5331] RIP: 0033:0x7f74e7b9bf79 [ 145.521471][ T5331] 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 [ 145.521476][ T5331] RSP: 002b:00007f74e8af0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 145.521484][ T5331] RAX: ffffffffffffffda RBX: 00007f74e7e15fa0 RCX: 00007f74e7b9bf79 [ 145.521489][ T5331] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004 [ 145.521493][ T5331] RBP: 00007f74e7c327e0 R08: 0000000000000000 R09: 0000000000000000 [ 145.521496][ T5331] R10: 0000000800000009 R11: 0000000000000246 R12: 0000000000000000 [ 145.521500][ T5331] R13: 00007f74e7e16038 R14: 00007f74e7e15fa0 R15: 00007fff8ab04e88 [ 145.521506][ T5331] [ 147.104132][ T4665] Bluetooth: hci0: command tx timeout [ 149.184113][ T4665] Bluetooth: hci0: command tx timeout