Extracting prog: 2m20.943763517s
Minimizing prog: 29.804821119s
Simplifying prog options: 0s
Extracting C: 1m25.931886661s
Simplifying C: 13m8.19555536s


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$hfsplus-prctl$PR_SET_NAME
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./file0\x00', 0x180000c, &(0x7f00000006c0)=ANY=[], 0x1, 0x6ea, &(0x7f0000000180)="$eJzs3UtoHOcdAPD/7Eu7Ljhy4kdaAlliSEtFbclCadVL3VKKDqGE9NDzYsux8FoOklJkUxqlj3sPOfWUHnQLPZT0bmjPDSklVx0DhVxy0k1lZmf2Ia12V7ZeTX8/MTvffK/55j87M7s7iAng/9bSTFSeRhJLM29upss72/Pt8vb8VF7cjohaRJQiKp1ZJKuRld7Op/hmmpnXT7od/2twPR+uLL79+Vc7X1S7OZWifjLQbrzawaytfIpmRJTz+UHVQ3r8ZP/qB/q7c2h/k+ptYRqw60Xg4k/P1Ss8t70DtrplH/87ex3V/CjHLXBOJbE3NH864kJE1CM6V/387FA61cGdgK2zHgAAAAAcVePoTV7Yjd3YjIsnMRwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD4ukoiyp1ZNpWKdDOS4vn/tTwv8vQ5NP5BiJ9NdeZPT34wAAAAAAAAAHDiXt2N3diMi8XyXpLd83+t7x7/N+K9WI/lWIsbsRmt2IiNWIu5iJju66i22drYWJvLWkZcHtHyVnw6pOWtw8d4+5i3GQAAAAAAAADOufqY8gfVg3m/jaXe/X8AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgPkohyZ5ZNl4v0dJQqEVEv6m1FfBoRtbMd7ZEkwzKfnv44AAAA4LnUBxeT+gRtXng/dmMzLhbLe0n2nf9q9n25Hu/FamzESmxEO5bjbv4dOv3WX9rZnm/vbM8/TKeD/f74yyMNPesxOr89DF/zy1mNRtyLlSznRtyJJPYypbyXl3e259P5w+Hj+iAdU/Kj3IjRlPvSd9OXa59k6T8O/opQOdImPqPSoSXTWWm1G5HZfGxpi0tFBIZHYmDvDHubVEauaS5K3V9+Lo9e0/CYfzB6my/sqzX0l5s+U2PKj8/+SNyKUncPXR0diYhv/+3jX95vrz64f299ZtwmnbH3x9bYH4n5vkhc+xpFYrzZLBJXustL8bP4RczEl1NvxVqsxK+iFRux3CzKW/n7OX2dHh2pzy70L701biTpMdnsnr+GjakZA2OKZvw0S7XitWyfXoyVSOJRRCzHG9nfrZjrng16e/jKBEd9aYIzbZ/r38lm3TBF4/C6f5msy+OSxvVSX1z7z7nTWVl/Ti9KLw6NUnGtm/x61KfyrTyR9vC7kdeH07Y/EnN9kXjpsPdLJ6R/zq4m6+3VB2v3W+9OuL7X83l6HP1hgqvE6Um35sWo5xt3KXtNsmNqNit7qXuFHYxXLb/j0lE6UHal265zpP48HsXdgSP1+7EQC7GY1b6a1a4euGKlZde6PQ2ew9Oy9JNWpXtjp//z1qNodz4PAXC+XfjuhVrjP41/Nj5q/L5xv/Fm/SdTP5h6pRbVf1R/WJktv156JflrfBS/6X3/BwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAnt364ycPWu328trwRGl4UTK6Vau9VzxIbESdgUSSPypngsrJ+uMne2M7HJ0onhz3jM2PM1E8hm985ebIfirPNYxka//+qo/fF8VTniZYRXIg4GnjZw5dseZeTvUc7Mr9iebxdVi8YfuKjv7ubQzbX+WIGFZ5zImjfBxnH+As3dx4+O7N9cdPvrfysPXO8jvLq9WFhcXZxYU35m/eW2kvz3Ze+xqcysNvgdPQ/3GiqxYRr45vO+JBrQAAAAAAAAAAAMAJOo3/hTjrbQQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD+ty3NROVpJDE3e2M2Xd7Znm+nU5Hu1axERCkikl9HJH+PuB2dKab7uksOW8+HK4tvf/7Vzhe9vipF/VLE1qHtJrOVT9GMiHI+P67+7ozvr9ZLTg0pTrqRSQN2vQgcnLX/BgAA//+Swe0F")
prctl$PR_SET_NAME(0xf, 0x0)

program crashed: possible deadlock in hfsplus_get_block
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=51.884338359s, {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)='./file0\x00', 0x180000c, &(0x7f00000006c0)=ANY=[], 0x1, 0x6ea, &(0x7f0000000180)="$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")

program crashed: possible deadlock in hfsplus_get_block
extracting C reproducer
testing compiled C program (duration=51.884338359s, {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$hfsplus
program crashed: possible deadlock in hfsplus_get_block
simplifying C reproducer
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {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$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program did not crash
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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: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$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing compiled C program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfsplus
program crashed: possible deadlock in hfsplus_get_block
testing program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$hfsplus
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./file0\x00', 0x180000c, &(0x7f00000006c0)=ANY=[], 0x1, 0x6ea, &(0x7f0000000180)="$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")

program crashed: possible deadlock in hfsplus_get_block
validation run: crashed=true
testing program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$hfsplus
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./file0\x00', 0x180000c, &(0x7f00000006c0)=ANY=[], 0x1, 0x6ea, &(0x7f0000000180)="$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")

program crashed: possible deadlock in hfsplus_get_block
validation run: crashed=true
testing program (duration=51.884338359s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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$hfsplus
detailed listing:
executing program 0:
syz_mount_image$hfsplus(&(0x7f0000000000), &(0x7f0000000080)='./file0\x00', 0x180000c, &(0x7f00000006c0)=ANY=[], 0x1, 0x6ea, &(0x7f0000000180)="$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")

program crashed: possible deadlock in hfsplus_get_block
validation run: crashed=true
reproducing took 20m52.415823185s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 1024
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
syz.0.17/6703 is trying to acquire lock:
ffff0000d9c31548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x2bc/0x1154 fs/hfsplus/extents.c:260

but task is already holding lock:
ffff0000d9c307c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1b8/0x1388 fs/hfsplus/extents.c:455

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

5 locks held by syz.0.17/6703:
 #0: ffff0000c996e0e0 (&type->s_umount_key#53/1){+.+.}-{4:4}, at: alloc_super+0x1a0/0x80c fs/super.c:345
 #1: ffff0000d912c998 (&sbi->vh_mutex){+.+.}-{4:4}, at: hfsplus_fill_super+0xf4c/0x16fc fs/hfsplus/super.c:552
 #2: ffff0000c86e20b0 (&tree->tree_lock){+.+.}-{4:4}, at: hfsplus_find_init+0x144/0x1bc fs/hfsplus/bfind.c:28
 #3: ffff0000d9c307c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1b8/0x1388 fs/hfsplus/extents.c:455
 #4: ffff0000d912c8f8 (&sbi->alloc_mutex){+.+.}-{4:4}, at: hfsplus_block_allocate+0x88/0x70c fs/hfsplus/bitmap.c:35

stack backtrace:
CPU: 0 UID: 0 PID: 6703 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 print_deadlock_bug+0x2e8/0x2f0 kernel/locking/lockdep.c:3041
 check_deadlock kernel/locking/lockdep.c:3093 [inline]
 validate_chain kernel/locking/lockdep.c:3895 [inline]
 __lock_acquire+0x2940/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 __mutex_lock_common+0x1d0/0x2678 kernel/locking/mutex.c:598
 __mutex_lock kernel/locking/mutex.c:760 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:812
 hfsplus_get_block+0x2bc/0x1154 fs/hfsplus/extents.c:260
 block_read_full_folio+0x2ec/0x824 fs/buffer.c:2420
 hfsplus_read_folio+0x28/0x38 fs/hfsplus/inode.c:28
 filemap_read_folio+0xec/0x2f8 mm/filemap.c:2413
 do_read_cache_folio+0x364/0x5bc mm/filemap.c:3957
 do_read_cache_page mm/filemap.c:4023 [inline]
 read_cache_page+0x6c/0x160 mm/filemap.c:4032
 read_mapping_page include/linux/pagemap.h:985 [inline]
 hfsplus_block_allocate+0xdc/0x70c fs/hfsplus/bitmap.c:37
 hfsplus_file_extend+0x770/0x1388 fs/hfsplus/extents.c:466
 hfsplus_bmap_reserve+0xe8/0x494 fs/hfsplus/btree.c:358
 hfsplus_create_cat+0x170/0xdc8 fs/hfsplus/catalog.c:272
 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:559
 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692
 get_tree_bdev+0x2c/0x3c fs/super.c:1715
 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:638
 vfs_get_tree+0x90/0x28c fs/super.c:1815
 do_new_mount+0x278/0x7f4 fs/namespace.c:3808
 path_mount+0x5b4/0xde0 fs/namespace.c:4123
 do_mount fs/namespace.c:4136 [inline]
 __do_sys_mount fs/namespace.c:4347 [inline]
 __se_sys_mount fs/namespace.c:4324 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 1024
============================================
WARNING: possible recursive locking detected
syzkaller #0 Not tainted
--------------------------------------------
syz.0.17/6703 is trying to acquire lock:
ffff0000d9c31548 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_get_block+0x2bc/0x1154 fs/hfsplus/extents.c:260

but task is already holding lock:
ffff0000d9c307c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1b8/0x1388 fs/hfsplus/extents.c:455

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

5 locks held by syz.0.17/6703:
 #0: ffff0000c996e0e0 (&type->s_umount_key#53/1){+.+.}-{4:4}, at: alloc_super+0x1a0/0x80c fs/super.c:345
 #1: ffff0000d912c998 (&sbi->vh_mutex){+.+.}-{4:4}, at: hfsplus_fill_super+0xf4c/0x16fc fs/hfsplus/super.c:552
 #2: ffff0000c86e20b0 (&tree->tree_lock){+.+.}-{4:4}, at: hfsplus_find_init+0x144/0x1bc fs/hfsplus/bfind.c:28
 #3: ffff0000d9c307c8 (&HFSPLUS_I(inode)->extents_lock){+.+.}-{4:4}, at: hfsplus_file_extend+0x1b8/0x1388 fs/hfsplus/extents.c:455
 #4: ffff0000d912c8f8 (&sbi->alloc_mutex){+.+.}-{4:4}, at: hfsplus_block_allocate+0x88/0x70c fs/hfsplus/bitmap.c:35

stack backtrace:
CPU: 0 UID: 0 PID: 6703 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Call trace:
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C)
 __dump_stack+0x30/0x40 lib/dump_stack.c:94
 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120
 dump_stack+0x1c/0x28 lib/dump_stack.c:129
 print_deadlock_bug+0x2e8/0x2f0 kernel/locking/lockdep.c:3041
 check_deadlock kernel/locking/lockdep.c:3093 [inline]
 validate_chain kernel/locking/lockdep.c:3895 [inline]
 __lock_acquire+0x2940/0x30a4 kernel/locking/lockdep.c:5237
 lock_acquire+0x14c/0x2e0 kernel/locking/lockdep.c:5868
 __mutex_lock_common+0x1d0/0x2678 kernel/locking/mutex.c:598
 __mutex_lock kernel/locking/mutex.c:760 [inline]
 mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:812
 hfsplus_get_block+0x2bc/0x1154 fs/hfsplus/extents.c:260
 block_read_full_folio+0x2ec/0x824 fs/buffer.c:2420
 hfsplus_read_folio+0x28/0x38 fs/hfsplus/inode.c:28
 filemap_read_folio+0xec/0x2f8 mm/filemap.c:2413
 do_read_cache_folio+0x364/0x5bc mm/filemap.c:3957
 do_read_cache_page mm/filemap.c:4023 [inline]
 read_cache_page+0x6c/0x160 mm/filemap.c:4032
 read_mapping_page include/linux/pagemap.h:985 [inline]
 hfsplus_block_allocate+0xdc/0x70c fs/hfsplus/bitmap.c:37
 hfsplus_file_extend+0x770/0x1388 fs/hfsplus/extents.c:466
 hfsplus_bmap_reserve+0xe8/0x494 fs/hfsplus/btree.c:358
 hfsplus_create_cat+0x170/0xdc8 fs/hfsplus/catalog.c:272
 hfsplus_fill_super+0xfa4/0x16fc fs/hfsplus/super.c:559
 get_tree_bdev_flags+0x360/0x414 fs/super.c:1692
 get_tree_bdev+0x2c/0x3c fs/super.c:1715
 hfsplus_get_tree+0x28/0x38 fs/hfsplus/super.c:638
 vfs_get_tree+0x90/0x28c fs/super.c:1815
 do_new_mount+0x278/0x7f4 fs/namespace.c:3808
 path_mount+0x5b4/0xde0 fs/namespace.c:4123
 do_mount fs/namespace.c:4136 [inline]
 __do_sys_mount fs/namespace.c:4347 [inline]
 __se_sys_mount fs/namespace.c:4324 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4324
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596