program: r0 = socket(0x10, 0x803, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000500)={'lo\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f00000006c0)=@ipv6_newaddr={0x40, 0x14, 0x9535393fea6295b5, 0x0, 0x0, {0xa, 0x0, 0x0, 0x0, r2}, [@IFA_LOCAL={0x14, 0x2, @loopback}, @IFA_ADDRESS={0x14, 0x1, @ipv4={'\x00', '\xff\xff', @multicast2}}]}, 0x40}}, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, &(0x7f0000000080)={'syz_tun\x00', 0x0}) sendmsg$nl_route(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000240)=ANY=[@ANYBLOB="4400000010000104000000000000f9ff00000000", @ANYRES32=0x0, @ANYBLOB="07880400000000001c0012800b0001006970766c616e00000c000280060001000200000008000500", @ANYRES32=r5], 0x44}}, 0x0) syz_emit_ethernet(0x4a, &(0x7f0000000100)=ANY=[@ANYBLOB="bbbbbbbbbbbbaaaaaaaaaabb86dd60122d9200003a"], 0x0) syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@part={'part', 0x3d, 0x500f}}, {@nodecompose}, {}, {@part={'part', 0x3d, 0xc}}, {@uid}, {@barrier}, {@nls={'nls', 0x3d, 'cp949'}}, {@gid={'gid', 0x3d, 0xee00}}]}, 0x3, 0x5f4, &(0x7f0000000640)="$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") r6 = creat(&(0x7f0000000140)='./file1\x00', 0x0) io_setup(0x202, &(0x7f0000000200)=0x0) io_submit(r7, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0x0, 0x0, 0x1, 0x0, r6, &(0x7f0000000000), 0x4000, 0xa00}]) [ 91.830028][ T5303] Bluetooth: hci0: command tx timeout [ 91.954650][ T10] cfg80211: failed to load regulatory.db [ 92.066292][ T5325] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 92.102444][ T5325] loop0: detected capacity change from 0 to 1024 [ 92.155051][ T5325] [ 92.156223][ T5325] ============================================ [ 92.158763][ T5325] WARNING: possible recursive locking detected [ 92.161349][ T5325] syzkaller #0 Not tainted [ 92.163272][ T5325] -------------------------------------------- [ 92.165901][ T5325] syz.0.0/5325 is trying to acquire lock: [ 92.168165][ T5325] ffff888011a4d548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x39e/0x1670 [ 92.172880][ T5325] [ 92.172880][ T5325] but task is already holding lock: [ 92.175976][ T5325] ffff888011a4e988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x2b3/0xc30 [ 92.180626][ T5325] [ 92.180626][ T5325] other info that might help us debug this: [ 92.184194][ T5325] Possible unsafe locking scenario: [ 92.184194][ T5325] [ 92.187530][ T5325] CPU0 [ 92.188971][ T5325] ---- [ 92.190446][ T5325] lock(&HFSPLUS_I(inode)->extents_lock); [ 92.193041][ T5325] lock(&HFSPLUS_I(inode)->extents_lock); [ 92.195402][ T5325] [ 92.195402][ T5325] *** DEADLOCK *** [ 92.195402][ T5325] [ 92.198780][ T5325] May be due to missing lock nesting notation [ 92.198780][ T5325] [ 92.202374][ T5325] 4 locks held by syz.0.0/5325: [ 92.204857][ T5325] #0: ffff88801fa24420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 92.212704][ T5325] #1: ffff888011a4eb78 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: do_truncate+0x18f/0x250 [ 92.217389][ T5325] #2: ffff888011a4e988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x2b3/0xc30 [ 92.222545][ T5325] #3: ffff888011b9a8f8 (&sbi->alloc_mutex){+.+.}-{4:4}, at: hfsplus_block_free+0xc7/0x630 [ 92.226808][ T5325] [ 92.226808][ T5325] stack backtrace: [ 92.229481][ T5325] CPU: 0 UID: 0 PID: 5325 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 92.229498][ T5325] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 92.229506][ T5325] Call Trace: [ 92.229514][ T5325] [ 92.229521][ T5325] dump_stack_lvl+0xe8/0x150 [ 92.229570][ T5325] print_deadlock_bug+0x279/0x290 [ 92.229603][ T5325] __lock_acquire+0x253f/0x2cf0 [ 92.229621][ T5325] ? lock_release+0x4b/0x3a0 [ 92.229639][ T5325] ? is_bpf_text_address+0x292/0x2b0 [ 92.229668][ T5325] ? is_bpf_text_address+0x26/0x2b0 [ 92.229682][ T5325] ? kernel_text_address+0xa5/0xe0 [ 92.229712][ T5325] ? hfsplus_get_block+0x39e/0x1670 [ 92.229737][ T5325] lock_acquire+0x106/0x330 [ 92.229753][ T5325] ? hfsplus_get_block+0x39e/0x1670 [ 92.229776][ T5325] __mutex_lock+0x19f/0x1300 [ 92.229827][ T5325] ? hfsplus_get_block+0x39e/0x1670 [ 92.229843][ T5325] ? check_path+0x21/0x40 [ 92.229854][ T5325] ? hfsplus_get_block+0x39e/0x1670 [ 92.229871][ T5325] ? add_lock_to_list+0xc7/0x100 [ 92.229883][ T5325] ? __pfx___mutex_lock+0x10/0x10 [ 92.229899][ T5325] hfsplus_get_block+0x39e/0x1670 [ 92.229919][ T5325] ? __pfx_hfsplus_get_block+0x10/0x10 [ 92.229938][ T5325] ? block_read_full_folio+0x672/0x830 [ 92.229955][ T5325] block_read_full_folio+0x29f/0x830 [ 92.229971][ T5325] ? __pfx_hfsplus_get_block+0x10/0x10 [ 92.229989][ T5325] filemap_read_folio+0x137/0x3b0 [ 92.230025][ T5325] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 92.230042][ T5325] ? __pfx_filemap_read_folio+0x10/0x10 [ 92.230054][ T5325] ? filemap_add_folio+0x356/0x530 [ 92.230070][ T5325] do_read_cache_folio+0x358/0x590 [ 92.230082][ T5325] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 92.230100][ T5325] read_cache_page+0x5d/0x170 [ 92.230111][ T5325] hfsplus_block_free+0x134/0x630 [ 92.230127][ T5325] ? trace_kmalloc+0x1f/0xb0 [ 92.230166][ T5325] hfsplus_free_extents+0x121/0xa50 [ 92.230183][ T5325] hfsplus_file_truncate+0x762/0xc30 [ 92.230202][ T5325] ? __pfx___up_read+0x10/0x10 [ 92.230215][ T5325] ? __pfx_hfsplus_file_truncate+0x10/0x10 [ 92.230234][ T5325] ? unmap_mapping_range+0xe6/0x180 [ 92.230267][ T5325] ? __pfx_unmap_mapping_range+0x10/0x10 [ 92.230282][ T5325] ? truncate_setsize+0xcf/0xf0 [ 92.230299][ T5325] hfsplus_setattr+0x1c4/0x270 [ 92.230315][ T5325] ? __pfx_hfsplus_setattr+0x10/0x10 [ 92.230331][ T5325] notify_change+0xc1a/0xf40 [ 92.230348][ T5325] do_truncate+0x1c2/0x250 [ 92.230364][ T5325] ? __pfx_do_truncate+0x10/0x10 [ 92.230378][ T5325] ? apparmor_file_truncate+0x3b1/0x4a0 [ 92.230438][ T5325] path_openat+0x360c/0x3e20 [ 92.230462][ T5325] ? __pfx_path_openat+0x10/0x10 [ 92.230482][ T5325] do_filp_open+0x22d/0x490 [ 92.230495][ T5325] ? __pfx_do_filp_open+0x10/0x10 [ 92.230512][ T5325] ? _raw_spin_unlock+0x28/0x50 [ 92.230528][ T5325] ? alloc_fd+0x64b/0x6c0 [ 92.230546][ T5325] do_sys_openat2+0x12f/0x220 [ 92.230559][ T5325] ? __se_sys_futex+0x3a8/0x450 [ 92.230593][ T5325] ? __pfx_do_sys_openat2+0x10/0x10 [ 92.230607][ T5325] ? rcu_is_watching+0x15/0xb0 [ 92.230656][ T5325] __x64_sys_creat+0x8f/0xc0 [ 92.230668][ T5325] do_syscall_64+0xe2/0xf80 [ 92.230681][ T5325] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.230692][ T5325] ? trace_irq_disable+0x37/0x100 [ 92.230725][ T5325] ? clear_bhb_loop+0x60/0xb0 [ 92.230747][ T5325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.230760][ T5325] RIP: 0033:0x7fb87a39aeb9 [ 92.230774][ T5325] 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 [ 92.230785][ T5325] RSP: 002b:00007fb8767f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 92.230809][ T5325] RAX: ffffffffffffffda RBX: 00007fb87a615fa0 RCX: 00007fb87a39aeb9 [ 92.230819][ T5325] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140 [ 92.230827][ T5325] RBP: 00007fb87a408c1f R08: 0000000000000000 R09: 0000000000000000 [ 92.230835][ T5325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 92.230843][ T5325] R13: 00007fb87a616038 R14: 00007fb87a615fa0 R15: 00007ffe05ef2ba8 [ 92.230855][ T5325] [ 92.439934][ T5325] hfsplus: unable to mark blocks free: error -5 [ 92.442883][ T5325] hfsplus: can't free extent: start 134, count 1