program: syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000080)={[{@part={'part', 0x3d, 0x40}}, {@nodecompose}, {@part={'part', 0x3d, 0x7}}, {@part={'part', 0x3d, 0xc}}, {@uid}, {@barrier}, {@nls={'nls', 0x3d, 'macinuit'}}, {@gid={'gid', 0x3d, 0xee00}}]}, 0x3, 0x5f4, &(0x7f0000000640)="$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") r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000300)='.\x00', 0x2000, 0x12) getdents64(r0, &(0x7f0000000100)=""/154, 0x9a) (async) unlinkat(0xffffffffffffff9c, &(0x7f00000003c0)='./file1\x00', 0x0) bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000600)={0x15, 0x3, &(0x7f0000000000)=@framed={{0x3e, 0xa, 0xa, 0x0, 0x0, 0x79, 0x10, 0x30}}, &(0x7f0000000480)='syzkaller\x00'}, 0x80) [ 76.349674][ T4701] Bluetooth: hci0: command tx timeout [ 76.455071][ T5353] loop0: detected capacity change from 0 to 1024 [ 76.515850][ T1316] ieee802154 phy0 wpan0: encryption failed: -22 [ 76.520414][ T1316] ieee802154 phy1 wpan1: encryption failed: -22 [ 76.551717][ T5354] hfsplus: invalid extended attribute record [ 76.554432][ T5354] [ 76.555380][ T5354] ============================================ [ 76.557861][ T5354] WARNING: possible recursive locking detected [ 76.561007][ T5354] 6.17.0-rc1-syzkaller-00016-g8742b2d8935f #0 Not tainted [ 76.564281][ T5354] -------------------------------------------- [ 76.566973][ T5354] syz.0.0/5354 is trying to acquire lock: [ 76.569433][ T5354] ffff888052e29548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x39e/0x1530 [ 76.574095][ T5354] [ 76.574095][ T5354] but task is already holding lock: [ 76.577327][ T5354] ffff888052e2a988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x294/0xb40 [ 76.582065][ T5354] [ 76.582065][ T5354] other info that might help us debug this: [ 76.585472][ T5354] Possible unsafe locking scenario: [ 76.585472][ T5354] [ 76.588715][ T5354] CPU0 [ 76.590258][ T5354] ---- [ 76.591803][ T5354] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.594481][ T5354] lock(&HFSPLUS_I(inode)->extents_lock); [ 76.597145][ T5354] [ 76.597145][ T5354] *** DEADLOCK *** [ 76.597145][ T5354] [ 76.600630][ T5354] May be due to missing lock nesting notation [ 76.600630][ T5354] [ 76.604118][ T5354] 6 locks held by syz.0.0/5354: [ 76.606192][ T5354] #0: ffff8880322c0428 (sb_writers#12){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 76.610049][ T5354] #1: ffff888052e29df8 (&type->i_mutex_dir_key#8/1){+.+.}-{4:4}, at: do_unlinkat+0x1c7/0x560 [ 76.614457][ T5354] #2: ffff888052e2ab78 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: vfs_unlink+0xf2/0x650 [ 76.619096][ T5354] #3: ffff888052dfd198 (&sbi->vh_mutex){+.+.}-{4:4}, at: hfsplus_unlink+0x160/0x730 [ 76.622850][ T5354] #4: ffff888052e2a988 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_truncate+0x294/0xb40 [ 76.627263][ T5354] #5: ffff888052dfd0f8 (&sbi->alloc_mutex){+.+.}-{4:4}, at: hfsplus_block_free+0xbe/0x550 [ 76.631408][ T5354] [ 76.631408][ T5354] stack backtrace: [ 76.634169][ T5354] CPU: 0 UID: 0 PID: 5354 Comm: syz.0.0 Not tainted 6.17.0-rc1-syzkaller-00016-g8742b2d8935f #0 PREEMPT(full) [ 76.634186][ T5354] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.634194][ T5354] Call Trace: [ 76.634202][ T5354] [ 76.634208][ T5354] dump_stack_lvl+0x189/0x250 [ 76.634222][ T5354] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.634231][ T5354] ? __pfx__printk+0x10/0x10 [ 76.634244][ T5354] ? print_lock_name+0xde/0x100 [ 76.634257][ T5354] print_deadlock_bug+0x28b/0x2a0 [ 76.634269][ T5354] validate_chain+0x1a3f/0x2140 [ 76.634281][ T5354] ? lock_release+0x4b/0x3e0 [ 76.634296][ T5354] ? look_up_lock_class+0x74/0x170 [ 76.634354][ T5354] ? register_lock_class+0x51/0x320 [ 76.634368][ T5354] __lock_acquire+0xab9/0xd20 [ 76.634383][ T5354] ? hfsplus_get_block+0x39e/0x1530 [ 76.634395][ T5354] lock_acquire+0x120/0x360 [ 76.634409][ T5354] ? hfsplus_get_block+0x39e/0x1530 [ 76.634420][ T5354] ? stack_trace_save+0x9c/0xe0 [ 76.634431][ T5354] ? __pfx_hlock_conflict+0x10/0x10 [ 76.634443][ T5354] __mutex_lock+0x187/0x1360 [ 76.634465][ T5354] ? hfsplus_get_block+0x39e/0x1530 [ 76.634477][ T5354] ? lockdep_unlock+0x89/0x120 [ 76.634492][ T5354] ? hfsplus_get_block+0x39e/0x1530 [ 76.634503][ T5354] ? __pfx___mutex_lock+0x10/0x10 [ 76.634519][ T5354] hfsplus_get_block+0x39e/0x1530 [ 76.634528][ T5354] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.634534][ T5354] ? do_raw_spin_unlock+0x4d/0x240 [ 76.634542][ T5354] ? _raw_spin_unlock+0x28/0x50 [ 76.634551][ T5354] block_read_full_folio+0x29f/0x830 [ 76.634560][ T5354] ? __pfx_hfsplus_get_block+0x10/0x10 [ 76.634571][ T5354] filemap_read_folio+0x117/0x380 [ 76.634587][ T5354] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 76.634596][ T5354] ? __pfx_filemap_read_folio+0x10/0x10 [ 76.634611][ T5354] ? filemap_add_folio+0x1af/0x270 [ 76.634625][ T5354] do_read_cache_folio+0x350/0x590 [ 76.634636][ T5354] ? __pfx_hfsplus_read_folio+0x10/0x10 [ 76.634647][ T5354] read_cache_page+0x5d/0x170 [ 76.634657][ T5354] hfsplus_block_free+0x121/0x550 [ 76.634670][ T5354] hfsplus_free_extents+0x10d/0xa60 [ 76.634678][ T5354] hfsplus_file_truncate+0x736/0xb40 [ 76.634687][ T5354] ? __pfx_hfsplus_file_truncate+0x10/0x10 [ 76.634695][ T5354] ? __pfx___mutex_lock+0x10/0x10 [ 76.634705][ T5354] ? __lock_acquire+0xab9/0xd20 [ 76.634716][ T5354] hfsplus_delete_inode+0x180/0x230 [ 76.634723][ T5354] hfsplus_unlink+0x4e3/0x730 [ 76.634730][ T5354] ? vfs_unlink+0xf2/0x650 [ 76.634742][ T5354] ? __pfx_hfsplus_unlink+0x10/0x10 [ 76.634753][ T5354] ? __pfx_down_write+0x10/0x10 [ 76.634770][ T5354] ? bpf_lsm_inode_unlink+0x9/0x20 [ 76.634786][ T5354] vfs_unlink+0x394/0x650 [ 76.634799][ T5354] do_unlinkat+0x345/0x560 [ 76.634814][ T5354] ? __pfx_do_unlinkat+0x10/0x10 [ 76.634826][ T5354] ? getname_flags+0x1e5/0x540 [ 76.634841][ T5354] __x64_sys_unlinkat+0xd3/0xf0 [ 76.634853][ T5354] do_syscall_64+0xfa/0x3b0 [ 76.634869][ T5354] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.634881][ T5354] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.634899][ T5354] ? clear_bhb_loop+0x60/0xb0 [ 76.634912][ T5354] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.634922][ T5354] RIP: 0033:0x7f862fb8ebe9 [ 76.634934][ T5354] 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 [ 76.634944][ T5354] RSP: 002b:00007f8630981038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 [ 76.634957][ T5354] RAX: ffffffffffffffda RBX: 00007f862fdb6090 RCX: 00007f862fb8ebe9 [ 76.634965][ T5354] RDX: 0000000000000000 RSI: 00002000000003c0 RDI: ffffffffffffff9c [ 76.634972][ T5354] RBP: 00007f862fc11e19 R08: 0000000000000000 R09: 0000000000000000 [ 76.634978][ T5354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 76.634984][ T5354] R13: 00007f862fdb6128 R14: 00007f862fdb6090 R15: 00007ffdeb1c4058 [ 76.634994][ T5354] [ 76.830803][ T5354] hfsplus: unable to mark blocks free: error -5 [ 76.834063][ T5354] hfsplus: can't free extent