Extracting prog: 1m56.299184604s
Minimizing prog: 3m48.941178396s
Simplifying prog options: 0s
Extracting C: 37.088769189s
Simplifying C: 7m26.214053585s


extracting reproducer from 25 programs
first checking the prog from the crash report
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat-pwrite64-write$RDMA_USER_CM_CMD_CREATE_ID
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x0)
pwrite64(r0, &(0x7f0000000200)="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", 0x100, 0xfecb)
write$RDMA_USER_CM_CMD_CREATE_ID(r0, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x200000000000001, 0x0, 0x111, 0x9}}, 0x20)

program crashed: BUG: unable to handle kernel paging request in hfs_find_init
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=53.053312449s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat-pwrite64
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x0)
pwrite64(r0, &(0x7f0000000200)="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", 0x100, 0xfecb)

program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing program (duration=53.053312449s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs-openat
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x0)

program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing program (duration=53.053312449s, {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 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
extracting C reproducer
testing compiled C program (duration=53.053312449s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
simplifying C reproducer
testing compiled C program (duration=53.053312449s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=53.053312449s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=53.053312449s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=53.053312449s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=53.053312449s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=53.053312449s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
testing compiled C program (duration=53.053312449s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: BUG: unable to handle kernel paging request in hfs_find_init
reproducing took 13m48.543220214s
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: 0 PID: 4291 Comm: syz-executor184 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : hfs_find_init+0x6c/0x1c8 fs/hfs/bfind.c:21
lr : hfs_find_init+0x30/0x1c8 fs/hfs/bfind.c:16
sp : ffff800021026ff0
x29: ffff800021026ff0 x28: ffff700004204e14 x27: 0000000000000004
x26: ffff0000ded68180 x25: 0000000000000008 x24: dfff800000000000
x23: ffff0000ded6814c x22: ffff8000210270d8 x21: 0000000000000040
x20: ffff8000210270c0 x19: 0000000000000000 x18: ffff800021026b60
x17: ffff800018b6a000 x16: ffff800012272dc0 x15: ffff80001864af80
x14: 000000007a0ac72a x13: dfff800000000000 x12: 0000000000000007
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80000909ddb0
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800018c9e9a8 x4 : 0000000000000000 x3 : 0000000000000030
x2 : 0000000000000008 x1 : ffff8000210270c0 x0 : ffff8000210270d0
Call trace:
 hfs_find_init+0x6c/0x1c8 fs/hfs/bfind.c:21
 hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
 hfs_get_block+0x29c/0x9e0 fs/hfs/extent.c:366
 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271
 hfs_read_folio+0x28/0x38 fs/hfs/inode.c:39
 filemap_read_folio+0x14c/0x39c mm/filemap.c:2489
 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3626
 do_read_cache_page mm/filemap.c:3668 [inline]
 read_cache_page+0x6c/0x180 mm/filemap.c:3677
 read_mapping_page include/linux/pagemap.h:791 [inline]
 hfs_btree_open+0x440/0x1010 fs/hfs/btree.c:78
 hfs_mdb_get+0x10cc/0x1c2c fs/hfs/mdb.c:199
 hfs_fill_super+0xd64/0x13b4 fs/hfs/super.c:406
 mount_bdev+0x274/0x370 fs/super.c:1443
 hfs_mount+0x44/0x58 fs/hfs/super.c:456
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 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: 97e35a0e 91010275 f90002df d343feb9 (38f86b28) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97e35a0e 	bl	0xffffffffff8d6838
   4:	91010275 	add	x21, x19, #0x40
   8:	f90002df 	str	xzr, [x22]
   c:	d343feb9 	lsr	x25, x21, #3
* 10:	38f86b28 	ldrsb	w8, [x25, x24] <-- 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: 0 PID: 4291 Comm: syz-executor184 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : hfs_find_init+0x6c/0x1c8 fs/hfs/bfind.c:21
lr : hfs_find_init+0x30/0x1c8 fs/hfs/bfind.c:16
sp : ffff800021026ff0
x29: ffff800021026ff0 x28: ffff700004204e14 x27: 0000000000000004
x26: ffff0000ded68180 x25: 0000000000000008 x24: dfff800000000000
x23: ffff0000ded6814c x22: ffff8000210270d8 x21: 0000000000000040
x20: ffff8000210270c0 x19: 0000000000000000 x18: ffff800021026b60
x17: ffff800018b6a000 x16: ffff800012272dc0 x15: ffff80001864af80
x14: 000000007a0ac72a x13: dfff800000000000 x12: 0000000000000007
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80000909ddb0
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800018c9e9a8 x4 : 0000000000000000 x3 : 0000000000000030
x2 : 0000000000000008 x1 : ffff8000210270c0 x0 : ffff8000210270d0
Call trace:
 hfs_find_init+0x6c/0x1c8 fs/hfs/bfind.c:21
 hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
 hfs_get_block+0x29c/0x9e0 fs/hfs/extent.c:366
 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271
 hfs_read_folio+0x28/0x38 fs/hfs/inode.c:39
 filemap_read_folio+0x14c/0x39c mm/filemap.c:2489
 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3626
 do_read_cache_page mm/filemap.c:3668 [inline]
 read_cache_page+0x6c/0x180 mm/filemap.c:3677
 read_mapping_page include/linux/pagemap.h:791 [inline]
 hfs_btree_open+0x440/0x1010 fs/hfs/btree.c:78
 hfs_mdb_get+0x10cc/0x1c2c fs/hfs/mdb.c:199
 hfs_fill_super+0xd64/0x13b4 fs/hfs/super.c:406
 mount_bdev+0x274/0x370 fs/super.c:1443
 hfs_mount+0x44/0x58 fs/hfs/super.c:456
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1573
 do_new_mount+0x278/0x8fc fs/namespace.c:3056
 path_mount+0x590/0xe5c fs/namespace.c:3386
 do_mount fs/namespace.c:3399 [inline]
 __do_sys_mount fs/namespace.c:3607 [inline]
 __se_sys_mount fs/namespace.c:3584 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 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: 97e35a0e 91010275 f90002df d343feb9 (38f86b28) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97e35a0e 	bl	0xffffffffff8d6838
   4:	91010275 	add	x21, x19, #0x40
   8:	f90002df 	str	xzr, [x22]
   c:	d343feb9 	lsr	x25, x21, #3
* 10:	38f86b28 	ldrsb	w8, [x25, x24] <-- trapping instruction