program: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000100)={[{}, {@nodecompose}, {@creator={'creator', 0x3d, "8a0958d9"}}, {@part={'part', 0x3d, 0xc}}, {@uid}, {@barrier}, {@nls={'nls', 0x3d, 'cp949'}}, {@gid={'gid', 0x3d, 0xee00}}]}, 0x3, 0x5f4, &(0x7f0000000640)="$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") r0 = creat(&(0x7f0000000180)='./file1\x00', 0x110) io_setup(0x202, &(0x7f0000000200)=0x0) io_setup(0x5, &(0x7f0000000000)) io_submit(r1, 0x3b, &(0x7f0000000540)=[&(0x7f00000000c0)={0x25, 0x0, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x4000, 0xa00}]) [ 103.659138][ T45] Bluetooth: hci0: command tx timeout [ 103.759038][ T5333] loop0: detected capacity change from 0 to 1024 [ 103.843729][ T5333] [ 103.845254][ T5333] ============================================ [ 103.848224][ T5333] WARNING: possible recursive locking detected [ 103.850927][ T5333] syzkaller #0 Not tainted [ 103.852894][ T5333] -------------------------------------------- [ 103.856041][ T5333] syz.0.0/5333 is trying to acquire lock: [ 103.859192][ T5333] ffff888041973708 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x39e/0x1670 [ 103.864253][ T5333] [ 103.864253][ T5333] but task is already holding lock: [ 103.867398][ T5333] ffff8880419722c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x2b3/0xc30 [ 103.872498][ T5333] [ 103.872498][ T5333] other info that might help us debug this: [ 103.877174][ T5333] Possible unsafe locking scenario: [ 103.877174][ T5333] [ 103.880688][ T5333] CPU0 [ 103.882182][ T5333] ---- [ 103.883625][ T5333] lock(&HFSPLUS_I(inode)->extents_lock); [ 103.886278][ T5333] lock(&HFSPLUS_I(inode)->extents_lock); [ 103.888786][ T5333] [ 103.888786][ T5333] *** DEADLOCK *** [ 103.888786][ T5333] [ 103.892194][ T5333] May be due to missing lock nesting notation [ 103.892194][ T5333] [ 103.895831][ T5333] 4 locks held by syz.0.0/5333: [ 103.898748][ T5333] #0: ffff8880418a4420 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 103.904016][ T5333] #1: ffff8880419724b8 (&sb->s_type->i_mutex_key#25){+.+.}-{4:4}, at: do_truncate+0x18f/0x250 [ 103.908720][ T5333] #2: ffff8880419722c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x2b3/0xc30 [ 103.913444][ T5333] #3: ffff8880419e18f8 (&sbi->alloc_mutex){+.+.}-{4:4}, at: hfsplus_block_free+0xc7/0x630 [ 103.917885][ T5333] [ 103.917885][ T5333] stack backtrace: [ 103.921214][ T5333] CPU: 0 UID: 0 PID: 5333 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 103.921249][ T5333] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 103.921260][ T5333] Call Trace: [ 103.921270][ T5333] [ 103.921278][ T5333] dump_stack_lvl+0xe8/0x150 [ 103.921308][ T5333] print_deadlock_bug+0x279/0x290 [ 103.921334][ T5333] __lock_acquire+0x253f/0x2cf0 [ 103.921356][ T5333] ? lock_release+0x4b/0x3d0 [ 103.921373][ T5333] ? lock_release+0x4b/0x3d0 [ 103.921391][ T5333] ? is_bpf_text_address+0x292/0x2b0 [ 103.921406][ T5333] ? is_bpf_text_address+0x26/0x2b0 [ 103.921421][ T5333] lock_acquire+0xf0/0x2e0 [ 103.921437][ T5333] ? hfsplus_get_block+0x39e/0x1670 [ 103.921462][ T5333] __mutex_lock+0x19f/0x1300 [ 103.921537][ T5333] ? hfsplus_get_block+0x39e/0x1670 [ 103.921561][ T5333] ? stack_trace_save+0xa9/0x100 [ 103.921577][ T5333] ? __pfx_stack_trace_save+0x10/0x10 [ 103.921593][ T5333] ? check_path+0x21/0x40 [ 103.921614][ T5333] ? check_noncircular+0xda/0x150 [ 103.921635][ T5333] ? hfsplus_get_block+0x39e/0x1670 [ 103.921656][ T5333] ? __pfx___mutex_lock+0x10/0x10 [ 103.921670][ T5333] ? __lock_acquire+0x146e/0x2cf0 [ 103.921691][ T5333] hfsplus_get_block+0x39e/0x1670 [ 103.921714][ T5333] ? __pfx_hfsplus_get_block+0x10/0x10 [ 103.921737][ T5333] ? block_read_full_folio+0x672/0x830 [ 103.921755][ T5333] block_read_full_folio+0x29f/0x830 [ 103.921772][ T5333] ? __pfx_hfsplus_get_block+0x10/0x10 [ 103.921793][ T5333] filemap_read_folio+0x137/0x3b0 [ 103.921809][ T5333] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 103.921828][ T5333] ? __pfx_filemap_read_folio+0x10/0x10 [ 103.921841][ T5333] ? filemap_add_folio+0x356/0x530 [ 103.921861][ T5333] do_read_cache_folio+0x358/0x590 [ 103.921876][ T5333] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 103.921895][ T5333] read_cache_page+0x5d/0x170 [ 103.921910][ T5333] hfsplus_block_free+0x134/0x630 [ 103.921928][ T5333] ? __kmalloc_noprof+0x37d/0x760 [ 103.921951][ T5333] hfsplus_free_extents+0x121/0xa50 [ 103.921973][ T5333] hfsplus_file_truncate+0x762/0xc30 [ 103.921996][ T5333] ? __pfx___up_read+0x10/0x10 [ 103.922010][ T5333] ? __pfx_hfsplus_file_truncate+0x10/0x10 [ 103.922032][ T5333] ? unmap_mapping_range+0xe6/0x180 [ 103.922049][ T5333] ? __pfx_unmap_mapping_range+0x10/0x10 [ 103.922066][ T5333] ? setattr_prepare+0x232/0xb30 [ 103.922082][ T5333] ? truncate_setsize+0xcf/0xf0 [ 103.922101][ T5333] hfsplus_setattr+0x1c4/0x270 [ 103.922120][ T5333] ? __pfx_hfsplus_setattr+0x10/0x10 [ 103.922140][ T5333] notify_change+0xc1a/0xf40 [ 103.922156][ T5333] do_truncate+0x1c2/0x250 [ 103.922171][ T5333] ? __pfx_do_truncate+0x10/0x10 [ 103.922183][ T5333] ? apparmor_file_truncate+0x39f/0x470 [ 103.922255][ T5333] path_openat+0x2f89/0x3860 [ 103.922279][ T5333] ? __pfx_path_openat+0x10/0x10 [ 103.922302][ T5333] ? __x64_sys_creat+0x8f/0xc0 [ 103.922324][ T5333] ? __lock_acquire+0x6b5/0x2cf0 [ 103.922343][ T5333] do_file_open+0x23e/0x4a0 [ 103.922365][ T5333] ? __pfx_do_file_open+0x10/0x10 [ 103.922390][ T5333] ? _raw_spin_unlock+0x28/0x50 [ 103.922410][ T5333] ? alloc_fd+0x64b/0x6c0 [ 103.922427][ T5333] do_sys_openat2+0x113/0x200 [ 103.922447][ T5333] ? __se_sys_futex+0x3a8/0x450 [ 103.922465][ T5333] ? __pfx_do_sys_openat2+0x10/0x10 [ 103.922483][ T5333] ? rcu_is_watching+0x15/0xb0 [ 103.922502][ T5333] __x64_sys_creat+0x8f/0xc0 [ 103.922516][ T5333] do_syscall_64+0x14d/0xf80 [ 103.922526][ T5333] ? trace_irq_disable+0x3b/0x150 [ 103.922538][ T5333] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.922549][ T5333] ? clear_bhb_loop+0x40/0x90 [ 103.922562][ T5333] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 103.922576][ T5333] RIP: 0033:0x7f044139c799 [ 103.922592][ T5333] 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 [ 103.922604][ T5333] RSP: 002b:00007f0442242fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 103.922620][ T5333] RAX: ffffffffffffffda RBX: 00007f0441615fa0 RCX: 00007f044139c799 [ 103.922632][ T5333] RDX: 0000000000000000 RSI: 0000000000000110 RDI: 0000200000000180 [ 103.922641][ T5333] RBP: 00007f0441432c99 R08: 0000000000000000 R09: 0000000000000000 [ 103.922650][ T5333] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 103.922658][ T5333] R13: 00007f0441616038 R14: 00007f0441615fa0 R15: 00007ffd61a72238 [ 103.922672][ T5333] [ 104.154598][ T5333] hfsplus: unable to mark blocks free: error -5 [ 104.159269][ T5333] hfsplus: can't free extent: start 134, count 1