Extracting prog: 2m54.068908795s
Minimizing prog: 77.136µs
Simplifying prog options: 0s
Extracting C: 57.192174224s
Simplifying C: 6m0.508442016s
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(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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")
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
detailed listing:
executing program 0:
syz_mount_image$hfs(&(0x7f0000000140), &(0x7f0000000000)='./bus\x00', 0x8, &(0x7f0000000080)=ANY=[], 0x1, 0x283, &(0x7f0000000300)="$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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=1m40s, {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$hfs
program crashed: general protection fault in hfs_find_init
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m40s, {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$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m40s, {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$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m40s, {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$hfs
program crashed: general protection fault in hfs_find_init
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$hfs
program crashed: general protection fault in hfs_find_init
reproducing took 9m51.76962661s
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] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 UID: 0 PID: 5315 Comm: syz-executor359 Not tainted 6.16.0-rc1-syzkaller-00004-gaef17cb3d3c4 #0 PREEMPT(full)
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+0x6a/0x1e0 fs/hfs/bfind.c:21
Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 c8 b1 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00
RSP: 0018:ffffc9000d2d7588 EFLAGS: 00010202
RAX: 1ffff92001a5aecf RBX: 0000000000000000 RCX: ffff888000262440
RDX: 0000000000000000 RSI: ffffc9000d2d7660 RDI: ffffc9000d2d7670
RBP: 0000000000000040 R08: ffffc9000d2d7697 R09: 0000000000000000
R10: ffffc9000d2d7660 R11: fffff52001a5aed3 R12: ffff88803b3b0640
R13: dffffc0000000000 R14: ffffc9000d2d7660 R15: 0000000000000008
FS: 0000555567d74380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559c6a5a72e8 CR3: 0000000044001000 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+0x51b/0xbd0 fs/hfs/extent.c:366
block_read_full_folio+0x29c/0x830 fs/buffer.c:2427
filemap_read_folio+0x114/0x380 mm/filemap.c:2412
do_read_cache_folio+0x350/0x590 mm/filemap.c:3894
do_read_cache_page mm/filemap.c:3960 [inline]
read_cache_page+0x5d/0x170 mm/filemap.c:3969
read_mapping_page include/linux/pagemap.h:966 [inline]
hfs_btree_open+0x55f/0x14f0 fs/hfs/btree.c:78
hfs_mdb_get+0x1327/0x2080 fs/hfs/mdb.c:199
hfs_fill_super+0x37b/0x640 fs/hfs/super.c:337
get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1679
vfs_get_tree+0x92/0x2b0 fs/super.c:1802
do_new_mount+0x24a/0xa40 fs/namespace.c:3885
do_mount fs/namespace.c:4222 [inline]
__do_sys_mount fs/namespace.c:4433 [inline]
__se_sys_mount+0x317/0x410 fs/namespace.c:4410
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f195a04be2a
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:00007ffe3c204728 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe3c204740 RCX: 00007f195a04be2a
RDX: 0000200000000140 RSI: 0000200000000000 RDI: 00007ffe3c204740
RBP: 0000200000000000 R08: 00007ffe3c204780 R09: 000000000000027d
R10: 0000000000000008 R11: 0000000000000286 R12: 0000200000000140
R13: 00007ffe3c204780 R14: 0000000000000003 R15: 0000000000000008
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_find_init+0x6a/0x1e0 fs/hfs/bfind.c:21
Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 c8 b1 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00
RSP: 0018:ffffc9000d2d7588 EFLAGS: 00010202
RAX: 1ffff92001a5aecf RBX: 0000000000000000 RCX: ffff888000262440
RDX: 0000000000000000 RSI: ffffc9000d2d7660 RDI: ffffc9000d2d7670
RBP: 0000000000000040 R08: ffffc9000d2d7697 R09: 0000000000000000
R10: ffffc9000d2d7660 R11: fffff52001a5aed3 R12: ffff88803b3b0640
R13: dffffc0000000000 R14: ffffc9000d2d7660 R15: 0000000000000008
FS: 0000555567d74380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559c6a644d60 CR3: 0000000044001000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 7e 18 jle 0x1a
2: 4c 89 f8 mov %r15,%rax
5: 48 c1 e8 03 shr $0x3,%rax
9: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
e: 74 08 je 0x18
10: 4c 89 ff mov %r15,%rdi
13: e8 c8 b1 8a ff call 0xff8ab1e0
18: 49 c7 07 00 00 00 00 movq $0x0,(%r15)
1f: 48 8d 6b 40 lea 0x40(%rbx),%rbp
23: 49 89 ef mov %rbp,%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 0c 01 00 00 jne 0x143
37: 8b 45 00 mov 0x0(%rbp),%eax
3a: 8d .byte 0x8d
3b: 3c 45 cmp $0x45,%al
3d: 04 00 add $0x0,%al
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] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047]
CPU: 0 UID: 0 PID: 5315 Comm: syz-executor359 Not tainted 6.16.0-rc1-syzkaller-00004-gaef17cb3d3c4 #0 PREEMPT(full)
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+0x6a/0x1e0 fs/hfs/bfind.c:21
Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 c8 b1 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00
RSP: 0018:ffffc9000d2d7588 EFLAGS: 00010202
RAX: 1ffff92001a5aecf RBX: 0000000000000000 RCX: ffff888000262440
RDX: 0000000000000000 RSI: ffffc9000d2d7660 RDI: ffffc9000d2d7670
RBP: 0000000000000040 R08: ffffc9000d2d7697 R09: 0000000000000000
R10: ffffc9000d2d7660 R11: fffff52001a5aed3 R12: ffff88803b3b0640
R13: dffffc0000000000 R14: ffffc9000d2d7660 R15: 0000000000000008
FS: 0000555567d74380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559c6a5a72e8 CR3: 0000000044001000 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+0x51b/0xbd0 fs/hfs/extent.c:366
block_read_full_folio+0x29c/0x830 fs/buffer.c:2427
filemap_read_folio+0x114/0x380 mm/filemap.c:2412
do_read_cache_folio+0x350/0x590 mm/filemap.c:3894
do_read_cache_page mm/filemap.c:3960 [inline]
read_cache_page+0x5d/0x170 mm/filemap.c:3969
read_mapping_page include/linux/pagemap.h:966 [inline]
hfs_btree_open+0x55f/0x14f0 fs/hfs/btree.c:78
hfs_mdb_get+0x1327/0x2080 fs/hfs/mdb.c:199
hfs_fill_super+0x37b/0x640 fs/hfs/super.c:337
get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1679
vfs_get_tree+0x92/0x2b0 fs/super.c:1802
do_new_mount+0x24a/0xa40 fs/namespace.c:3885
do_mount fs/namespace.c:4222 [inline]
__do_sys_mount fs/namespace.c:4433 [inline]
__se_sys_mount+0x317/0x410 fs/namespace.c:4410
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f195a04be2a
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:00007ffe3c204728 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe3c204740 RCX: 00007f195a04be2a
RDX: 0000200000000140 RSI: 0000200000000000 RDI: 00007ffe3c204740
RBP: 0000200000000000 R08: 00007ffe3c204780 R09: 000000000000027d
R10: 0000000000000008 R11: 0000000000000286 R12: 0000200000000140
R13: 00007ffe3c204780 R14: 0000000000000003 R15: 0000000000000008
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_find_init+0x6a/0x1e0 fs/hfs/bfind.c:21
Code: 7e 18 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 c8 b1 8a ff 49 c7 07 00 00 00 00 48 8d 6b 40 49 89 ef 49 c1 ef 03 <43> 0f b6 04 2f 84 c0 0f 85 0c 01 00 00 8b 45 00 8d 3c 45 04 00 00
RSP: 0018:ffffc9000d2d7588 EFLAGS: 00010202
RAX: 1ffff92001a5aecf RBX: 0000000000000000 RCX: ffff888000262440
RDX: 0000000000000000 RSI: ffffc9000d2d7660 RDI: ffffc9000d2d7670
RBP: 0000000000000040 R08: ffffc9000d2d7697 R09: 0000000000000000
R10: ffffc9000d2d7660 R11: fffff52001a5aed3 R12: ffff88803b3b0640
R13: dffffc0000000000 R14: ffffc9000d2d7660 R15: 0000000000000008
FS: 0000555567d74380(0000) GS:ffff88808d252000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559c6a644d60 CR3: 0000000044001000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 7e 18 jle 0x1a
2: 4c 89 f8 mov %r15,%rax
5: 48 c1 e8 03 shr $0x3,%rax
9: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
e: 74 08 je 0x18
10: 4c 89 ff mov %r15,%rdi
13: e8 c8 b1 8a ff call 0xff8ab1e0
18: 49 c7 07 00 00 00 00 movq $0x0,(%r15)
1f: 48 8d 6b 40 lea 0x40(%rbx),%rbp
23: 49 89 ef mov %rbp,%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 0c 01 00 00 jne 0x143
37: 8b 45 00 mov 0x0(%rbp),%eax
3a: 8d .byte 0x8d
3b: 3c 45 cmp $0x45,%al
3d: 04 00 add $0x0,%al