program: dup(0xffffffffffffffff) socket$nl_route(0x10, 0x3, 0x0) r0 = add_key$keyring(&(0x7f00000000c0), &(0x7f0000000140)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffc) keyctl$read(0xb, r0, &(0x7f00000001c0)=""/61, 0x3d) bind$inet6(0xffffffffffffffff, 0x0, 0x0) mount$fuse(0x0, 0x0, 0x0, 0x40041, &(0x7f0000000540)=ANY=[]) r1 = bpf$MAP_CREATE(0x0, &(0x7f00000004c0)=@base={0x2, 0x4, 0x6, 0x8}, 0x48) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000340)={0x2, 0x6, &(0x7f0000000180)=@framed={{0x18, 0x2}, [@map_fd={0x18, 0x1, 0x1, 0x0, r1}, @call={0x85, 0x0, 0x0, 0x25}]}, &(0x7f0000000000)='GPL\x00', 0x2}, 0x94) syz_mount_image$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)="$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") r2 = open(&(0x7f0000000240)='./file1\x00', 0x145142, 0x0) ioctl$AUTOFS_DEV_IOCTL_ISMOUNTPOINT(r2, 0xc018937e, &(0x7f0000000040)={{0x1, 0x1, 0x18, r2, {0x4}}, './file1\x00'}) ftruncate(r2, 0x2007ffc) sendfile(r2, r2, 0x0, 0x800000009) r3 = open(&(0x7f0000000000)='./bus\x00', 0x60142, 0x0) r4 = open(&(0x7f0000000080)='./bus\x00', 0x107382, 0x1d0) ftruncate(r4, 0x2007ffb) sendfile(r3, r4, 0x0, 0x1000000201005) syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000380)=ANY=[@ANYBLOB="1201500200000040"], 0x0) r5 = open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111) truncate(&(0x7f00000013c0)='./file1\x00', 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000005, 0x4008031, r5, 0xe1e76000) syz_clone(0x0, 0x0, 0xfffffffffffffead, 0x0, 0x0, 0x0) madvise(&(0x7f0000000000/0x600000)=nil, 0x600003, 0x19) madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x14) [ 85.421354][ T5343] loop0: detected capacity change from 0 to 2048 [ 85.447562][ T5343] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=2362, location=2362 [ 85.462673][ T5343] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 85.471721][ T4685] Bluetooth: hci0: command tx timeout [ 85.480927][ T5343] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 [ 85.487772][ T5343] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 85.498615][ T26] audit: type=1800 audit(1766458244.400:2): pid=5343 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 [ 85.860504][ T5340] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 86.514055][ T5351] [ 86.515224][ T5351] ============================================ [ 86.518007][ T5351] WARNING: possible recursive locking detected [ 86.520782][ T5351] syzkaller #0 Not tainted [ 86.522832][ T5351] -------------------------------------------- [ 86.525429][ T5351] syz.0.0/5351 is trying to acquire lock: [ 86.527723][ T5351] ffff888011888528 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_free_blocks+0xa8f/0x18e0 [ 86.531890][ T5351] [ 86.531890][ T5351] but task is already holding lock: [ 86.535114][ T5351] ffff888011888528 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8d0/0x10f0 [ 86.539174][ T5351] [ 86.539174][ T5351] other info that might help us debug this: [ 86.542459][ T5351] Possible unsafe locking scenario: [ 86.542459][ T5351] [ 86.545497][ T5351] CPU0 [ 86.546959][ T5351] ---- [ 86.548478][ T5351] lock(&sbi->s_alloc_mutex); [ 86.550616][ T5351] lock(&sbi->s_alloc_mutex); [ 86.552715][ T5351] [ 86.552715][ T5351] *** DEADLOCK *** [ 86.552715][ T5351] [ 86.556269][ T5351] May be due to missing lock nesting notation [ 86.556269][ T5351] [ 86.560011][ T5351] 4 locks held by syz.0.0/5351: [ 86.562170][ T5351] #0: ffff8880117fc420 (sb_writers#12){.+.+}-{0:0}, at: vfs_coredump+0x3321/0x3e60 [ 86.565813][ T5351] #1: ffff8880490a5590 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: udf_file_write_iter+0x6e/0x6c0 [ 86.570093][ T5351] #2: ffff8880490a53c0 (&ei->i_data_sem#2){++++}-{4:4}, at: udf_map_block+0x283/0x45f0 [ 86.575467][ T5351] #3: ffff888011888528 (&sbi->s_alloc_mutex){+.+.}-{4:4}, at: udf_prealloc_blocks+0x8d0/0x10f0 [ 86.579743][ T5351] [ 86.579743][ T5351] stack backtrace: [ 86.582074][ T5351] CPU: 0 UID: 0 PID: 5351 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 86.582088][ T5351] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 86.582094][ T5351] Call Trace: [ 86.582102][ T5351] [ 86.582107][ T5351] dump_stack_lvl+0xe8/0x150 [ 86.582124][ T5351] print_deadlock_bug+0x279/0x290 [ 86.582138][ T5351] __lock_acquire+0x2540/0x2cf0 [ 86.582149][ T5351] ? __pfx___schedule+0x10/0x10 [ 86.582196][ T5351] ? lockdep_hardirqs_on+0x7b/0x110 [ 86.582202][ T5351] ? irqentry_exit+0x5dd/0x660 [ 86.582208][ T5351] ? __lock_acquire+0x6b6/0x2cf0 [ 86.582214][ T5351] ? udf_free_blocks+0xa8f/0x18e0 [ 86.582221][ T5351] lock_acquire+0x107/0x340 [ 86.582227][ T5351] ? udf_free_blocks+0xa8f/0x18e0 [ 86.582234][ T5351] __mutex_lock+0x187/0x1350 [ 86.582240][ T5351] ? udf_free_blocks+0xa8f/0x18e0 [ 86.582246][ T5351] ? __lock_acquire+0x6b6/0x2cf0 [ 86.582253][ T5351] ? udf_free_blocks+0xa8f/0x18e0 [ 86.582259][ T5351] ? __pfx___mutex_lock+0x10/0x10 [ 86.582264][ T5351] ? folio_mark_accessed+0x42c/0x8b0 [ 86.582272][ T5351] ? fs_reclaim_acquire+0x7d/0x100 [ 86.582281][ T5351] ? fs_reclaim_acquire+0x7d/0x100 [ 86.582290][ T5351] udf_free_blocks+0xa8f/0x18e0 [ 86.582297][ T5351] ? bdev_getblk+0x583/0x6e0 [ 86.582306][ T5351] ? __pfx_blk_mq_flush_plug_list+0x10/0x10 [ 86.582315][ T5351] ? udf_get_fileshortad+0x6e/0x1b0 [ 86.582321][ T5351] ? udf_current_aext+0x698/0xb30 [ 86.582328][ T5351] ? __pfx_udf_free_blocks+0x10/0x10 [ 86.582334][ T5351] ? udf_next_aext+0x447/0x540 [ 86.582343][ T5351] udf_delete_aext+0x4df/0xbc0 [ 86.582352][ T5351] ? __pfx_udf_delete_aext+0x10/0x10 [ 86.582358][ T5351] ? udf_next_aext+0x44e/0x540 [ 86.582367][ T5351] udf_prealloc_blocks+0xbb4/0x10f0 [ 86.582374][ T5351] ? udf_current_aext+0x69f/0xb30 [ 86.582381][ T5351] ? __pfx_udf_prealloc_blocks+0x10/0x10 [ 86.582388][ T5351] ? udf_next_aext+0x447/0x540 [ 86.582402][ T5351] udf_map_block+0x1f70/0x45f0 [ 86.582418][ T5351] ? __pfx_udf_map_block+0x10/0x10 [ 86.582436][ T5351] ? do_raw_spin_unlock+0x4d/0x240 [ 86.582445][ T5351] __udf_get_block+0x52/0x250 [ 86.582452][ T5351] __block_write_begin_int+0x6b5/0x1900 [ 86.582463][ T5351] ? __pfx_udf_get_block+0x10/0x10 [ 86.582469][ T5351] ? __pfx___block_write_begin_int+0x10/0x10 [ 86.582480][ T5351] ? __pfx_udf_get_block+0x10/0x10 [ 86.582487][ T5351] block_write_begin+0x8d/0x120 [ 86.582495][ T5351] ? udf_write_begin+0x92/0x270 [ 86.582501][ T5351] udf_write_begin+0x118/0x270 [ 86.582508][ T5351] generic_perform_write+0x2c5/0x900 [ 86.582516][ T5351] ? __pfx_generic_perform_write+0x10/0x10 [ 86.582522][ T5351] ? file_update_time_flags+0x448/0x4e0 [ 86.582530][ T5351] ? __generic_file_write_iter+0xf9/0x230 [ 86.582536][ T5351] ? udf_file_write_iter+0x1a3/0x6c0 [ 86.582542][ T5351] udf_file_write_iter+0x2d5/0x6c0 [ 86.582548][ T5351] ? __pfx_udf_file_write_iter+0x10/0x10 [ 86.582555][ T5351] __kernel_write_iter+0x428/0x910 [ 86.582563][ T5351] ? __pfx_udf_file_write_iter+0x10/0x10 [ 86.582570][ T5351] ? __pfx___kernel_write_iter+0x10/0x10 [ 86.582577][ T5351] ? get_dump_page+0x1dd/0x3f0 [ 86.582585][ T5351] ? __asan_memset+0x22/0x50 [ 86.582593][ T5351] ? iov_iter_bvec+0xb8/0x180 [ 86.582601][ T5351] dump_user_range+0x8a0/0xc90 [ 86.582614][ T5351] ? __pfx_dump_user_range+0x10/0x10 [ 86.582623][ T5351] ? elf_coredump_extra_notes_write+0x42e/0x4b0 [ 86.582634][ T5351] ? __pfx_elf_coredump_extra_notes_write+0x10/0x10 [ 86.582645][ T5351] ? dump_emit+0xa6/0xe0 [ 86.582653][ T5351] ? elf_core_dump+0x2cd0/0x3960 [ 86.582661][ T5351] elf_core_dump+0x3369/0x3960 [ 86.582671][ T5351] ? __pfx_elf_core_dump+0x10/0x10 [ 86.582678][ T5351] ? kasan_save_track+0x4f/0x80 [ 86.582687][ T5351] ? kasan_save_track+0x3e/0x80 [ 86.582694][ T5351] ? __kasan_kmalloc+0x93/0xb0 [ 86.582699][ T5351] ? __kvmalloc_node_noprof+0x5d5/0x920 [ 86.582708][ T5351] ? coredump_write+0x343/0x18b0 [ 86.582714][ T5351] ? vfs_coredump+0x3321/0x3e60 [ 86.582720][ T5351] ? get_signal+0x1108/0x1340 [ 86.582731][ T5351] ? arch_do_signal_or_restart+0x9a/0x7a0 [ 86.582740][ T5351] ? irqentry_exit+0x177/0x660 [ 86.582745][ T5351] ? asm_exc_page_fault+0x26/0x30 [ 86.582752][ T5351] ? mas_ascend+0x2f4/0x830 [ 86.582762][ T5351] ? vfs_coredump+0x3321/0x3e60 [ 86.582769][ T5351] ? 0xffffffffff600000 [ 86.582776][ T5351] coredump_write+0x1121/0x18b0 [ 86.582785][ T5351] ? __pfx_coredump_write+0x10/0x10 [ 86.582794][ T5351] ? unshare_files+0xa9/0x140 [ 86.582802][ T5351] vfs_coredump+0x3321/0x3e60 [ 86.582811][ T5351] ? __pfx_vfs_coredump+0x10/0x10 [ 86.582818][ T5351] ? __lock_acquire+0x6b6/0x2cf0 [ 86.582824][ T5351] ? __lock_acquire+0x6b6/0x2cf0 [ 86.582831][ T5351] ? __lock_acquire+0x6b6/0x2cf0 [ 86.582837][ T5351] ? __lock_acquire+0x6b6/0x2cf0 [ 86.582842][ T5351] ? __lock_acquire+0x6b6/0x2cf0 [ 86.582849][ T5351] ? unwind_next_frame+0xa5/0x23d0 [ 86.582856][ T5351] ? lock_acquire+0x107/0x340 [ 86.582862][ T5351] ? unwind_next_frame+0xa5/0x23d0 [ 86.582869][ T5351] ? is_bpf_text_address+0x26/0x2b0 [ 86.582878][ T5351] ? lock_acquire+0x107/0x340 [ 86.582885][ T5351] ? is_bpf_text_address+0x26/0x2b0 [ 86.582893][ T5351] ? is_bpf_text_address+0x292/0x2b0 [ 86.582901][ T5351] ? is_bpf_text_address+0x26/0x2b0 [ 86.582910][ T5351] ? kernel_text_address+0xa5/0xe0 [ 86.582922][ T5351] ? __kernel_text_address+0xd/0x40 [ 86.582933][ T5351] ? unwind_get_return_address+0x4d/0x90 [ 86.582943][ T5351] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 86.582956][ T5351] ? arch_stack_walk+0xfc/0x150 [ 86.582966][ T5351] ? stack_trace_save+0x9c/0xe0 [ 86.582974][ T5351] ? __pfx_stack_trace_save+0x10/0x10 [ 86.582982][ T5351] ? stack_depot_save_flags+0x33/0x810 [ 86.582992][ T5351] ? kasan_save_track+0x4f/0x80 [ 86.582999][ T5351] ? kasan_save_track+0x3e/0x80 [ 86.583006][ T5351] ? kasan_save_free_info+0x46/0x50 [ 86.583013][ T5351] ? __kasan_slab_free+0x5c/0x80 [ 86.583018][ T5351] ? kmem_cache_free+0x197/0x620 [ 86.583025][ T5351] ? get_signal+0xa4b/0x1340 [ 86.583031][ T5351] ? arch_do_signal_or_restart+0x9a/0x7a0 [ 86.583038][ T5351] ? irqentry_exit+0x177/0x660 [ 86.583043][ T5351] ? asm_exc_page_fault+0x26/0x30 [ 86.583056][ T5351] ? _raw_spin_unlock_irq+0x23/0x50 [ 86.583070][ T5351] get_signal+0x1108/0x1340 [ 86.583079][ T5351] arch_do_signal_or_restart+0x9a/0x7a0 [ 86.583087][ T5351] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 86.583097][ T5351] ? local_irq_enable_exit_to_user+0x5/0x10 [ 86.583107][ T5351] irqentry_exit+0x177/0x660 [ 86.583115][ T5351] ? trace_irq_disable+0x37/0x100 [ 86.583130][ T5351] asm_exc_page_fault+0x26/0x30 [ 86.583139][ T5351] RIP: 0033:0x7f400378f7d1 [ 86.583149][ T5351] Code: 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 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f [ 86.583156][ T5351] RSP: 002b:fffffffffffffea0 EFLAGS: 00010217 [ 86.583162][ T5351] RAX: 0000000000000000 RBX: 00007f40039e6090 RCX: 00007f400378f7c9 [ 86.583167][ T5351] RDX: 0000000000000000 RSI: fffffffffffffea0 RDI: 0000000000000000 [ 86.583171][ T5351] RBP: 00007f4003813f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.583175][ T5351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 86.583179][ T5351] R13: 00007f40039e6128 R14: 00007f40039e6090 R15: 00007ffc587e4b48 [ 86.583186][ T5351]