Extracting prog: 2m27.627297232s
Minimizing prog: 4m2.264467901s
Simplifying prog options: 0s
Extracting C: 1m10.016433269s
Simplifying C: 7m37.964340511s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x2, &(0x7f0000000100)={[{@umask={'umask', 0x3d, 0xc0}}, {@part={'part', 0x3d, 0xff}}, {@nodecompose}, {@nobarrier}, {@nodecompose}, {@nobarrier}, {@umask={'umask', 0x3d, 0xfc17}}, {}, {@nls={'nls', 0x3d, 'cp1255'}}, {@umask={'umask', 0x3d, 0xfffffffffffffeff}}, {@nodecompose}]}, 0x5, 0x667, &(0x7f00000009c0)="$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")
creat(&(0x7f00000000c0)='./file1\x00', 0x16)

program crashed: possible deadlock in hfsplus_get_block
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=54.509735151s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x2, &(0x7f0000000100)={[{@umask={'umask', 0x3d, 0xc0}}, {@part={'part', 0x3d, 0xff}}, {@nodecompose}, {@nobarrier}, {@nodecompose}, {@nobarrier}, {@umask={'umask', 0x3d, 0xfc17}}, {}, {@nls={'nls', 0x3d, 'cp1255'}}, {@umask={'umask', 0x3d, 0xfffffffffffffeff}}, {@nodecompose}]}, 0x5, 0x667, &(0x7f00000009c0)="$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")

program did not crash
testing program (duration=54.509735151s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): creat
detailed listing:
executing program 0:
creat(&(0x7f00000000c0)='./file1\x00', 0x16)

program did not crash
testing program (duration=54.509735151s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x2, &(0x7f0000000100)={[{@umask={'umask', 0x3d, 0xc0}}, {@part={'part', 0x3d, 0xff}}, {@nodecompose}, {@nobarrier}, {@nodecompose}, {@nobarrier}, {@umask={'umask', 0x3d, 0xfc17}}, {}, {@nls={'nls', 0x3d, 'cp1255'}}, {@umask={'umask', 0x3d, 0xfffffffffffffeff}}, {@nodecompose}]}, 0x5, 0x667, &(0x7f00000009c0)="$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")
creat(0x0, 0x16)

program did not crash
extracting C reproducer
testing compiled C program (duration=54.509735151s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
simplifying C reproducer
testing compiled C program (duration=54.509735151s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
program crashed: possible deadlock in hfsplus_get_block
testing program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x2, &(0x7f0000000100)={[{@umask={'umask', 0x3d, 0xc0}}, {@part={'part', 0x3d, 0xff}}, {@nodecompose}, {@nobarrier}, {@nodecompose}, {@nobarrier}, {@umask={'umask', 0x3d, 0xfc17}}, {}, {@nls={'nls', 0x3d, 'cp1255'}}, {@umask={'umask', 0x3d, 0xfffffffffffffeff}}, {@nodecompose}]}, 0x5, 0x667, &(0x7f00000009c0)="$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")
creat(&(0x7f00000000c0)='./file1\x00', 0x16)

program crashed: possible deadlock in hfsplus_get_block
validation run: crashed=true
testing program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x2, &(0x7f0000000100)={[{@umask={'umask', 0x3d, 0xc0}}, {@part={'part', 0x3d, 0xff}}, {@nodecompose}, {@nobarrier}, {@nodecompose}, {@nobarrier}, {@umask={'umask', 0x3d, 0xfc17}}, {}, {@nls={'nls', 0x3d, 'cp1255'}}, {@umask={'umask', 0x3d, 0xfffffffffffffeff}}, {@nodecompose}]}, 0x5, 0x667, &(0x7f00000009c0)="$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")
creat(&(0x7f00000000c0)='./file1\x00', 0x16)

program crashed: possible deadlock in hfsplus_get_block
validation run: crashed=true
testing program (duration=54.509735151s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus-creat
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./bus\x00', 0x2, &(0x7f0000000100)={[{@umask={'umask', 0x3d, 0xc0}}, {@part={'part', 0x3d, 0xff}}, {@nodecompose}, {@nobarrier}, {@nodecompose}, {@nobarrier}, {@umask={'umask', 0x3d, 0xfc17}}, {}, {@nls={'nls', 0x3d, 'cp1255'}}, {@umask={'umask', 0x3d, 0xfffffffffffffeff}}, {@nodecompose}]}, 0x5, 0x667, &(0x7f00000009c0)="$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")
creat(&(0x7f00000000c0)='./file1\x00', 0x16)

program crashed: possible deadlock in hfsplus_get_block
validation run: crashed=true
reproducing took 17m51.185997745s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 1024
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
syz.0.17/4413 is trying to acquire lock:
ffff888077e48e88 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x3a1/0x15a0 fs/hfsplus/extents.c:260

but task is already holding lock:
ffff888077e4a2c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x2b7/0xb60 fs/hfsplus/extents.c:574

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&HFSPLUS_I(inode)->extents_lock);
  lock(&HFSPLUS_I(inode)->extents_lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

4 locks held by syz.0.17/4413:
 #0: ffff88807d9da460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:402
 #1: ffff888077e4a4c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #1: ffff888077e4a4c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x198/0x240 fs/open.c:63
 #2: ffff888077e4a2c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x2b7/0xb60 fs/hfsplus/extents.c:574
 #3: ffff8880291010f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xbf/0x4b0 fs/hfsplus/bitmap.c:182

stack backtrace:
CPU: 0 PID: 4413 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 __lock_acquire+0x123e/0x7d10 kernel/locking/lockdep.c:-1
 lock_acquire+0x1bb/0x4a0 kernel/locking/lockdep.c:5662
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x12d/0xaf0 kernel/locking/mutex.c:747
 hfsplus_get_block+0x3a1/0x15a0 fs/hfsplus/extents.c:260
 block_read_full_folio+0x3e6/0xf00 fs/buffer.c:2271
 filemap_read_folio+0x16b/0x770 mm/filemap.c:2490
 do_read_cache_folio+0x2a0/0x760 mm/filemap.c:3659
 do_read_cache_page+0x32/0x220 mm/filemap.c:3701
 read_mapping_page include/linux/pagemap.h:793 [inline]
 hfsplus_block_free+0x128/0x4b0 fs/hfsplus/bitmap.c:185
 hfsplus_free_extents+0x10d/0xa50 fs/hfsplus/extents.c:360
 hfsplus_file_truncate+0x765/0xb60 fs/hfsplus/extents.c:589
 hfsplus_setattr+0x1c0/0x280 fs/hfsplus/inode.c:289
 notify_change+0xc74/0xf40 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:65
 handle_truncate fs/namei.c:3293 [inline]
 do_open fs/namei.c:3638 [inline]
 path_openat+0x2861/0x2ee0 fs/namei.c:3791
 do_filp_open+0x1f1/0x430 fs/namei.c:3818
 do_sys_openat2+0x150/0x4b0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_creat fs/open.c:1414 [inline]
 __se_sys_creat fs/open.c:1408 [inline]
 __x64_sys_creat+0x8c/0xb0 fs/open.c:1408
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7e7b59c819
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
RSP: 002b:00007ffc303715e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f7e7b815fa0 RCX: 00007f7e7b59c819
RDX: 0000000000000000 RSI: 0000000000000016 RDI: 00002000000000c0
RBP: 00007f7e7b632c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7e7b815fac R14: 00007f7e7b815fa0 R15: 00007f7e7b815fa0
 </TASK>
hfsplus: unable to mark blocks free: error -5
hfsplus: can't free extent

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 1024
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
syz.0.17/4413 is trying to acquire lock:
ffff888077e48e88 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_get_block+0x3a1/0x15a0 fs/hfsplus/extents.c:260

but task is already holding lock:
ffff888077e4a2c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x2b7/0xb60 fs/hfsplus/extents.c:574

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(&HFSPLUS_I(inode)->extents_lock);
  lock(&HFSPLUS_I(inode)->extents_lock);

 *** DEADLOCK ***

 May be due to missing lock nesting notation

4 locks held by syz.0.17/4413:
 #0: ffff88807d9da460 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x3d/0x90 fs/namespace.c:402
 #1: ffff888077e4a4c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:758 [inline]
 #1: ffff888077e4a4c0 (&sb->s_type->i_mutex_key#21){+.+.}-{3:3}, at: do_truncate+0x198/0x240 fs/open.c:63
 #2: ffff888077e4a2c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfsplus_file_truncate+0x2b7/0xb60 fs/hfsplus/extents.c:574
 #3: ffff8880291010f8 (&sbi->alloc_mutex){+.+.}-{3:3}, at: hfsplus_block_free+0xbf/0x4b0 fs/hfsplus/bitmap.c:182

stack backtrace:
CPU: 0 PID: 4413 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 __lock_acquire+0x123e/0x7d10 kernel/locking/lockdep.c:-1
 lock_acquire+0x1bb/0x4a0 kernel/locking/lockdep.c:5662
 __mutex_lock_common kernel/locking/mutex.c:603 [inline]
 __mutex_lock+0x12d/0xaf0 kernel/locking/mutex.c:747
 hfsplus_get_block+0x3a1/0x15a0 fs/hfsplus/extents.c:260
 block_read_full_folio+0x3e6/0xf00 fs/buffer.c:2271
 filemap_read_folio+0x16b/0x770 mm/filemap.c:2490
 do_read_cache_folio+0x2a0/0x760 mm/filemap.c:3659
 do_read_cache_page+0x32/0x220 mm/filemap.c:3701
 read_mapping_page include/linux/pagemap.h:793 [inline]
 hfsplus_block_free+0x128/0x4b0 fs/hfsplus/bitmap.c:185
 hfsplus_free_extents+0x10d/0xa50 fs/hfsplus/extents.c:360
 hfsplus_file_truncate+0x765/0xb60 fs/hfsplus/extents.c:589
 hfsplus_setattr+0x1c0/0x280 fs/hfsplus/inode.c:289
 notify_change+0xc74/0xf40 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:65
 handle_truncate fs/namei.c:3293 [inline]
 do_open fs/namei.c:3638 [inline]
 path_openat+0x2861/0x2ee0 fs/namei.c:3791
 do_filp_open+0x1f1/0x430 fs/namei.c:3818
 do_sys_openat2+0x150/0x4b0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_creat fs/open.c:1414 [inline]
 __se_sys_creat fs/open.c:1408 [inline]
 __x64_sys_creat+0x8c/0xb0 fs/open.c:1408
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7e7b59c819
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
RSP: 002b:00007ffc303715e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f7e7b815fa0 RCX: 00007f7e7b59c819
RDX: 0000000000000000 RSI: 0000000000000016 RDI: 00002000000000c0
RBP: 00007f7e7b632c91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7e7b815fac R14: 00007f7e7b815fa0 R15: 00007f7e7b815fa0
 </TASK>
hfsplus: unable to mark blocks free: error -5
hfsplus: can't free extent