Extracting prog: 1m58.409137092s
Minimizing prog: 88.891µs
Simplifying prog options: 0s
Extracting C: 28.049100384s
Simplifying C: 5m2.947784398s
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:6 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(&(0x7f0000000280), &(0x7f0000000100)='./file0\x00', 0x1210080, &(0x7f0000000400)={[{@uid}, {@creator={'creator', 0x3d, "888aaae6"}}, {@umask={'umask', 0x3d, 0x4}}, {@dir_umask={'dir_umask', 0x3d, 0x3edbe866}}, {@iocharset={'iocharset', 0x3d, 'iso8859-2'}}, {}, {@gid={'gid', 0x3d, 0xee01}}]}, 0x4, 0x33c, &(0x7f0000000680)="$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")
program crashed: general protection fault in hfs_find_init
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
extracting C reproducer
testing compiled C program (duration=1m11.637637605s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
simplifying C reproducer
testing compiled C program (duration=1m11.637637605s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m11.637637605s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m11.637637605s, {Threaded:false Repeat:true 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$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m11.637637605s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m11.637637605s, {Threaded:false Repeat:true 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$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m11.637637605s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m11.637637605s, {Threaded:false Repeat:true 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: general protection fault in hfs_find_init
reproducing took 7m29.406131897s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 UID: 0 PID: 5305 Comm: syz-executor398 Not tainted 6.14.0-rc6-syzkaller-00205-g3571e8b091f4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21
Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a4 09 82 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0
RSP: 0018:ffffc9000d22f400 EFLAGS: 00010202
RAX: 1ffff92001a45e9f RBX: ffffc9000d22f4f8 RCX: ffff8880007c0000
RDX: 0000000000000000 RSI: ffffc9000d22f4e0 RDI: ffffc9000d22f4f0
RBP: 0000000000000000 R08: ffffffff82a8476f R09: 0000000000000000
R10: ffffc9000d22f4e0 R11: fffff52001a45ea3 R12: ffffc9000d22f4e0
R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008
FS: 000055558abb5380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555befc67048 CR3: 000000003f01e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
hfs_get_block+0x4f4/0xb60 fs/hfs/extent.c:366
block_read_full_folio+0x3ee/0xae0 fs/buffer.c:2396
filemap_read_folio+0x148/0x3b0 mm/filemap.c:2390
do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3959
do_read_cache_page mm/filemap.c:4025 [inline]
read_cache_page+0x5b/0x170 mm/filemap.c:4034
read_mapping_page include/linux/pagemap.h:1017 [inline]
hfs_btree_open+0x506/0xf40 fs/hfs/btree.c:78
hfs_mdb_get+0x1492/0x2200 fs/hfs/mdb.c:199
hfs_fill_super+0x38f/0x710 fs/hfs/super.c:337
get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636
vfs_get_tree+0x90/0x2b0 fs/super.c:1814
do_new_mount+0x2be/0xb40 fs/namespace.c:3560
do_mount fs/namespace.c:3900 [inline]
__do_sys_mount fs/namespace.c:4111 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f35d2a3e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffd750f078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fffd750f090 RCX: 00007f35d2a3e1ea
RDX: 0000400000000280 RSI: 0000400000000100 RDI: 00007fffd750f090
RBP: 0000400000000100 R08: 00007fffd750f0d0 R09: 0000000000000336
R10: 0000000001210080 R11: 0000000000000286 R12: 0000400000000280
R13: 00007fffd750f0d0 R14: 0000000000000003 R15: 0000000001210080
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21
Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a4 09 82 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0
RSP: 0018:ffffc9000d22f400 EFLAGS: 00010202
RAX: 1ffff92001a45e9f RBX: ffffc9000d22f4f8 RCX: ffff8880007c0000
RDX: 0000000000000000 RSI: ffffc9000d22f4e0 RDI: ffffc9000d22f4f0
RBP: 0000000000000000 R08: ffffffff82a8476f R09: 0000000000000000
R10: ffffc9000d22f4e0 R11: fffff52001a45ea3 R12: ffffc9000d22f4e0
R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008
FS: 000055558abb5380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555c091cc098 CR3: 000000003f01e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: d8 48 c1 fmuls -0x3f(%rax)
3: e8 03 42 80 3c call 0x3c80420b
8: 28 00 sub %al,(%rax)
a: 74 08 je 0x14
c: 48 89 df mov %rbx,%rdi
f: e8 a4 09 82 ff call 0xff8209b8
14: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
1b: 48 89 2c 24 mov %rbp,(%rsp)
1f: 4c 8d 75 40 lea 0x40(%rbp),%r14
23: 4d 89 f7 mov %r14,%r15
26: 49 c1 ef 03 shr $0x3,%r15
* 2a: 43 0f b6 04 2f movzbl (%r15,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 10 01 00 00 jne 0x147
37: 41 8b 06 mov (%r14),%eax
3a: 8d 7c 00 04 lea 0x4(%rax,%rax,1),%edi
3e: be .byte 0xbe
3f: c0 .byte 0xc0
final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 64
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 UID: 0 PID: 5305 Comm: syz-executor398 Not tainted 6.14.0-rc6-syzkaller-00205-g3571e8b091f4 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21
Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a4 09 82 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0
RSP: 0018:ffffc9000d22f400 EFLAGS: 00010202
RAX: 1ffff92001a45e9f RBX: ffffc9000d22f4f8 RCX: ffff8880007c0000
RDX: 0000000000000000 RSI: ffffc9000d22f4e0 RDI: ffffc9000d22f4f0
RBP: 0000000000000000 R08: ffffffff82a8476f R09: 0000000000000000
R10: ffffc9000d22f4e0 R11: fffff52001a45ea3 R12: ffffc9000d22f4e0
R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008
FS: 000055558abb5380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555befc67048 CR3: 000000003f01e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
hfs_ext_read_extent fs/hfs/extent.c:200 [inline]
hfs_get_block+0x4f4/0xb60 fs/hfs/extent.c:366
block_read_full_folio+0x3ee/0xae0 fs/buffer.c:2396
filemap_read_folio+0x148/0x3b0 mm/filemap.c:2390
do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3959
do_read_cache_page mm/filemap.c:4025 [inline]
read_cache_page+0x5b/0x170 mm/filemap.c:4034
read_mapping_page include/linux/pagemap.h:1017 [inline]
hfs_btree_open+0x506/0xf40 fs/hfs/btree.c:78
hfs_mdb_get+0x1492/0x2200 fs/hfs/mdb.c:199
hfs_fill_super+0x38f/0x710 fs/hfs/super.c:337
get_tree_bdev_flags+0x48c/0x5c0 fs/super.c:1636
vfs_get_tree+0x90/0x2b0 fs/super.c:1814
do_new_mount+0x2be/0xb40 fs/namespace.c:3560
do_mount fs/namespace.c:3900 [inline]
__do_sys_mount fs/namespace.c:4111 [inline]
__se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4088
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f35d2a3e1ea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffd750f078 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fffd750f090 RCX: 00007f35d2a3e1ea
RDX: 0000400000000280 RSI: 0000400000000100 RDI: 00007fffd750f090
RBP: 0000400000000100 R08: 00007fffd750f0d0 R09: 0000000000000336
R10: 0000000001210080 R11: 0000000000000286 R12: 0000400000000280
R13: 00007fffd750f0d0 R14: 0000000000000003 R15: 0000000001210080
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_find_init+0x72/0x1f0 fs/hfs/bfind.c:21
Code: d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a4 09 82 ff 48 c7 03 00 00 00 00 48 89 2c 24 4c 8d 75 40 4d 89 f7 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 10 01 00 00 41 8b 06 8d 7c 00 04 be c0
RSP: 0018:ffffc9000d22f400 EFLAGS: 00010202
RAX: 1ffff92001a45e9f RBX: ffffc9000d22f4f8 RCX: ffff8880007c0000
RDX: 0000000000000000 RSI: ffffc9000d22f4e0 RDI: ffffc9000d22f4f0
RBP: 0000000000000000 R08: ffffffff82a8476f R09: 0000000000000000
R10: ffffc9000d22f4e0 R11: fffff52001a45ea3 R12: ffffc9000d22f4e0
R13: dffffc0000000000 R14: 0000000000000040 R15: 0000000000000008
FS: 000055558abb5380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555c091cc098 CR3: 000000003f01e000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: d8 48 c1 fmuls -0x3f(%rax)
3: e8 03 42 80 3c call 0x3c80420b
8: 28 00 sub %al,(%rax)
a: 74 08 je 0x14
c: 48 89 df mov %rbx,%rdi
f: e8 a4 09 82 ff call 0xff8209b8
14: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
1b: 48 89 2c 24 mov %rbp,(%rsp)
1f: 4c 8d 75 40 lea 0x40(%rbp),%r14
23: 4d 89 f7 mov %r14,%r15
26: 49 c1 ef 03 shr $0x3,%r15
* 2a: 43 0f b6 04 2f movzbl (%r15,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 10 01 00 00 jne 0x147
37: 41 8b 06 mov (%r14),%eax
3a: 8d 7c 00 04 lea 0x4(%rax,%rax,1),%edi
3e: be .byte 0xbe
3f: c0 .byte 0xc0