Extracting prog: 1m12.457878738s
Minimizing prog: 47.651µs
Simplifying prog options: 0s
Extracting C: 37.801816841s
Simplifying C: 6m27.996522786s


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$hfs
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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")

program crashed: BUG: unable to handle kernel paging request in hfs_find_init
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
extracting C reproducer
testing compiled C 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$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=30s, {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$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=30s, {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$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=30s, {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$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing program (duration=30s, {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$hfs
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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")

program crashed: BUG: unable to handle kernel paging request in hfs_find_init
validation run: crashed=true
testing program (duration=30s, {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$hfs
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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")

program crashed: BUG: unable to handle kernel paging request in hfs_find_init
validation run: crashed=true
testing program (duration=30s, {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$hfs
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$eJzs3UFrE08Yx/HfbPLvf21LXduKIB6kWvAkbb2IF0F69uLFk6hJhGKooBXUi9Wz+AK8+xZ8EZ7Es+DNk14lt8jMTswmzSTbNDpJ/X4gYZOdZ/d5srvOzAYbAfhn3dj++v7KN/swUkUVSdekRFIqVSWd1pn06e7ezl6zUR+2oYqLsA+jPNIcaFPbbQwKTW/6CC+zr6paLL432HzJKhGSfomdAaaBu/pzP4rvJ9L//up069Mo2U3efuwEIjMttfRMS7HzAADE5fv/xPfzi378niTSuu/2e/v/Ge9AW7ETiKzQ/7tZVtvY43vSrerO99wUzq5POrPEcfY1p/zMqvQkMGpW6XJJTjzYaTYu1x4164le67pXaLbqnuv5qdtRzPbVwU2vDZibDjF+7Quuhv9sDVuB/Fcmu8fRzEfzydwxmd6p/nv8V20be5jckcr6jlSe/0Z4i67KLG8VqPKU28lZvwdvaJUV9wgcpzm/zZ4bBFkwz8VC1HJfVF7dZrg6F7UyMGprRNRqf1T3bA5H/mnmrblt1vRdH7RdGP8n9hNfV5kr07ZxLf2ZMbSeqmuZuf7EnHdv7Z8b2DIZuyQc3hvd11UtPXn+4uG9ZrPxmIUxFl76D3Na8im70DkJpiWfY7dQ+9m90qKkUT3ymfmX/z1CFN2DfsjAkd/NYEbYcZfJ53+F+cqGG3rbp2zIOL09auOFLW4G5gbL7nk+PIPrYdythwWZ0FcRZedcFy5JF8vsMZf5PI8Js63Pusv9fwAAAAAAAAAAAAAAAAAAgFkzuf9ykCq0KnaNAAAAAAAAAAAAAAAAAAAAAADMuqn4/V8V/p78LeWvSv3+L4Cj+BUAAP//UK9zcQ==")

program crashed: BUG: unable to handle kernel paging request in hfs_find_init
validation run: crashed=true
reproducing took 11m3.118159056s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
Unable to handle kernel paging request at virtual address dfff800000000008
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000008] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4559 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : hfs_find_init+0x70/0x1cc fs/hfs/bfind.c:21
lr : hfs_find_init+0x30/0x1cc fs/hfs/bfind.c:16
sp : ffff8000220d7150
x29: ffff8000220d7150 x28: 0000000000000004 x27: dfff800000000000
x26: ffff70000441ae40 x25: ffff0000d692d028 x24: 0000000000000008
x23: 0000000000000040 x22: dfff800000000000 x21: ffff8000220d7238
x20: ffff8000220d7220 x19: 0000000000000000 x18: 1fffe00033c1c97e
x17: ffff80001641d000 x16: ffff800011bcec98 x15: 000000000004ffff
x14: 0000000000000007 x13: 1ffff0000441ae44 x12: 0000000000000000
x11: ff00800008fb9be4 x10: 0000000000000000 x9 : ffff800008fb9be4
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80001974d0c0 x4 : 0000000000000000 x3 : 0000000000000030
x2 : 0000000000000008 x1 : ffff8000220d7220 x0 : 0000000000000000
Call trace:
 hfs_find_init+0x70/0x1cc fs/hfs/bfind.c:21
 hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
 hfs_get_block+0x3f0/0xa14 fs/hfs/extent.c:366
 block_read_full_folio+0x2e8/0x980 fs/buffer.c:2271
 hfs_read_folio+0x28/0x38 fs/hfs/inode.c:39
 filemap_read_folio+0x134/0x384 mm/filemap.c:2490
 do_read_cache_folio+0x24c/0x534 mm/filemap.c:3659
 do_read_cache_page mm/filemap.c:3701 [inline]
 read_cache_page+0x6c/0x184 mm/filemap.c:3710
 read_mapping_page include/linux/pagemap.h:793 [inline]
 hfs_btree_open+0x408/0x1140 fs/hfs/btree.c:78
 hfs_mdb_get+0xef8/0x1a68 fs/hfs/mdb.c:199
 hfs_fill_super+0xc3c/0x11a0 fs/hfs/super.c:406
 mount_bdev+0x264/0x35c fs/super.c:1454
 hfs_mount+0x44/0x58 fs/hfs/super.c:458
 legacy_get_tree+0xd8/0x174 fs/fs_context.c:632
 vfs_get_tree+0x90/0x278 fs/super.c:1584
 do_new_mount+0x228/0x804 fs/namespace.c:3078
 path_mount+0x5ac/0xe6c fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x4a0/0x5a0 fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 97e4fe13 91010277 f90002bf d343fef8 (38f66b08) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97e4fe13 	bl	0xffffffffff93f84c
   4:	91010277 	add	x23, x19, #0x40
   8:	f90002bf 	str	xzr, [x21]
   c:	d343fef8 	lsr	x24, x23, #3
* 10:	38f66b08 	ldrsb	w8, [x24, x22] <-- trapping instruction

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
Unable to handle kernel paging request at virtual address dfff800000000008
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000008] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4559 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : hfs_find_init+0x70/0x1cc fs/hfs/bfind.c:21
lr : hfs_find_init+0x30/0x1cc fs/hfs/bfind.c:16
sp : ffff8000220d7150
x29: ffff8000220d7150 x28: 0000000000000004 x27: dfff800000000000
x26: ffff70000441ae40 x25: ffff0000d692d028 x24: 0000000000000008
x23: 0000000000000040 x22: dfff800000000000 x21: ffff8000220d7238
x20: ffff8000220d7220 x19: 0000000000000000 x18: 1fffe00033c1c97e
x17: ffff80001641d000 x16: ffff800011bcec98 x15: 000000000004ffff
x14: 0000000000000007 x13: 1ffff0000441ae44 x12: 0000000000000000
x11: ff00800008fb9be4 x10: 0000000000000000 x9 : ffff800008fb9be4
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80001974d0c0 x4 : 0000000000000000 x3 : 0000000000000030
x2 : 0000000000000008 x1 : ffff8000220d7220 x0 : 0000000000000000
Call trace:
 hfs_find_init+0x70/0x1cc fs/hfs/bfind.c:21
 hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
 hfs_get_block+0x3f0/0xa14 fs/hfs/extent.c:366
 block_read_full_folio+0x2e8/0x980 fs/buffer.c:2271
 hfs_read_folio+0x28/0x38 fs/hfs/inode.c:39
 filemap_read_folio+0x134/0x384 mm/filemap.c:2490
 do_read_cache_folio+0x24c/0x534 mm/filemap.c:3659
 do_read_cache_page mm/filemap.c:3701 [inline]
 read_cache_page+0x6c/0x184 mm/filemap.c:3710
 read_mapping_page include/linux/pagemap.h:793 [inline]
 hfs_btree_open+0x408/0x1140 fs/hfs/btree.c:78
 hfs_mdb_get+0xef8/0x1a68 fs/hfs/mdb.c:199
 hfs_fill_super+0xc3c/0x11a0 fs/hfs/super.c:406
 mount_bdev+0x264/0x35c fs/super.c:1454
 hfs_mount+0x44/0x58 fs/hfs/super.c:458
 legacy_get_tree+0xd8/0x174 fs/fs_context.c:632
 vfs_get_tree+0x90/0x278 fs/super.c:1584
 do_new_mount+0x228/0x804 fs/namespace.c:3078
 path_mount+0x5ac/0xe6c fs/namespace.c:3408
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount fs/namespace.c:3606 [inline]
 __arm64_sys_mount+0x4a0/0x5a0 fs/namespace.c:3606
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 97e4fe13 91010277 f90002bf d343fef8 (38f66b08) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97e4fe13 	bl	0xffffffffff93f84c
   4:	91010277 	add	x23, x19, #0x40
   8:	f90002bf 	str	xzr, [x21]
   c:	d343fef8 	lsr	x24, x23, #3
* 10:	38f66b08 	ldrsb	w8, [x24, x22] <-- trapping instruction