Extracting prog: 4m2.259467841s
Minimizing prog: 88.03µs
Simplifying prog options: 0s
Extracting C: 3m31.816645904s
Simplifying C: 13m24.254616457s
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$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000140)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@delalloc}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x60}}, {@nobh}, {@resgid}, {@acl}, {@nombcache}]}, 0x2, 0x497, &(0x7f00000010c0)="$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")
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000140)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@delalloc}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x60}}, {@nobh}, {@resgid}, {@acl}, {@nombcache}]}, 0x2, 0x497, &(0x7f00000010c0)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
single: successfully extracted reproducer
found reproducer with 1 syscalls
minimizing guilty program
extracting C reproducer
testing compiled C program (duration=6m0s, {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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program did not crash
testing compiled C program (duration=6m0s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=6m0s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000140)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@delalloc}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x60}}, {@nobh}, {@resgid}, {@acl}, {@nombcache}]}, 0x2, 0x497, &(0x7f00000010c0)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000140)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@delalloc}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x60}}, {@nobh}, {@resgid}, {@acl}, {@nombcache}]}, 0x2, 0x497, &(0x7f00000010c0)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=6m0s, {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:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000140)='./file0\x00', 0x800718, &(0x7f0000000200)={[{@delalloc}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x60}}, {@nobh}, {@resgid}, {@acl}, {@nombcache}]}, 0x2, 0x497, &(0x7f00000010c0)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
reproducing took 26m40.813601529s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs: Ignoring removed nobh option
------------[ cut here ]------------
EA inode 11 i_nlink=1026
WARNING: fs/ext4/xattr.c:1058 at ext4_xattr_inode_update_ref+0x494/0x570 fs/ext4/xattr.c:1056, CPU#0: syz.0.17/6045
Modules linked in:
CPU: 0 UID: 0 PID: 6045 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ext4_xattr_inode_update_ref+0x4dc/0x570 fs/ext4/xattr.c:1056
Code: 74 08 4c 89 ef e8 34 b9 9f ff 4d 8b 6d 00 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 75 77 41 8b 17 4c 89 e7 4c 89 ee <67> 48 0f b9 3a 4c 8b 6c 24 28 e9 bd fe ff ff e8 e0 91 4f 08 44 89
RSP: 0018:ffffc90004977100 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff1100b0d8522 RCX: dffffc0000000000
RDX: 0000000000000402 RSI: 000000000000000b RDI: ffffffff8ee14860
RBP: ffffc900049771f8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed100b0d8523 R12: ffffffff8ee14860
R13: 000000000000000b R14: 1ffff1100b0d84e7 R15: ffff8880586c2738
FS: 000055555f22d500(0000) GS:ffff888126cee000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f415a2b9368 CR3: 0000000042c2a000 CR4: 00000000003526f0
Call Trace:
ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1081 [inline]
ext4_xattr_set_entry+0xabb/0x1e20 fs/ext4/xattr.c:1723
ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2272
ext4_xattr_move_to_block fs/ext4/xattr.c:2675 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline]
ext4_expand_extra_isize_ea+0x13ad/0x1ea0 fs/ext4/xattr.c:2831
__ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6349
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline]
__ext4_mark_inode_dirty+0x45c/0x6e0 fs/ext4/inode.c:6470
ext4_evict_inode+0x79c/0xe60 fs/ext4/inode.c:253
evict+0x5f4/0xae0 fs/inode.c:837
ext4_orphan_cleanup+0xc20/0x1460 fs/ext4/orphan.c:472
__ext4_fill_super fs/ext4/super.c:5658 [inline]
ext4_fill_super+0x58ad/0x6170 fs/ext4/super.c:5777
get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
vfs_get_tree+0x92/0x2a0 fs/super.c:1751
fc_mount fs/namespace.c:1199 [inline]
do_new_mount_fc fs/namespace.c:3636 [inline]
do_new_mount+0x302/0xa10 fs/namespace.c:3712
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x313/0x410 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb1cf30eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff666d4448 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff666d44d0 RCX: 00007fbb1cf30eea
RDX: 0000200000000180 RSI: 0000200000000140 RDI: 00007fff666d4490
RBP: 0000200000000180 R08: 00007fff666d44d0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000140
R13: 00007fff666d4490 R14: 0000000000000497 R15: 0000200000000200
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 4c 89 ef mov %r13,%rdi
5: e8 34 b9 9f ff call 0xff9fb93e
a: 4d 8b 6d 00 mov 0x0(%r13),%r13
e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
15: fc ff df
18: 41 0f b6 04 06 movzbl (%r14,%rax,1),%eax
1d: 84 c0 test %al,%al
1f: 75 77 jne 0x98
21: 41 8b 17 mov (%r15),%edx
24: 4c 89 e7 mov %r12,%rdi
27: 4c 89 ee mov %r13,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 4c 8b 6c 24 28 mov 0x28(%rsp),%r13
34: e9 bd fe ff ff jmp 0xfffffef6
39: e8 e0 91 4f 08 call 0x84f921e
3e: 44 rex.R
3f: 89 .byte 0x89
final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs: Ignoring removed nobh option
------------[ cut here ]------------
EA inode 11 i_nlink=1026
WARNING: fs/ext4/xattr.c:1058 at ext4_xattr_inode_update_ref+0x494/0x570 fs/ext4/xattr.c:1056, CPU#0: syz.0.17/6045
Modules linked in:
CPU: 0 UID: 0 PID: 6045 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ext4_xattr_inode_update_ref+0x4dc/0x570 fs/ext4/xattr.c:1056
Code: 74 08 4c 89 ef e8 34 b9 9f ff 4d 8b 6d 00 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 06 84 c0 75 77 41 8b 17 4c 89 e7 4c 89 ee <67> 48 0f b9 3a 4c 8b 6c 24 28 e9 bd fe ff ff e8 e0 91 4f 08 44 89
RSP: 0018:ffffc90004977100 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 1ffff1100b0d8522 RCX: dffffc0000000000
RDX: 0000000000000402 RSI: 000000000000000b RDI: ffffffff8ee14860
RBP: ffffc900049771f8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed100b0d8523 R12: ffffffff8ee14860
R13: 000000000000000b R14: 1ffff1100b0d84e7 R15: ffff8880586c2738
FS: 000055555f22d500(0000) GS:ffff888126cee000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f415a2b9368 CR3: 0000000042c2a000 CR4: 00000000003526f0
Call Trace:
ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1081 [inline]
ext4_xattr_set_entry+0xabb/0x1e20 fs/ext4/xattr.c:1723
ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2272
ext4_xattr_move_to_block fs/ext4/xattr.c:2675 [inline]
ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline]
ext4_expand_extra_isize_ea+0x13ad/0x1ea0 fs/ext4/xattr.c:2831
__ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6349
ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline]
__ext4_mark_inode_dirty+0x45c/0x6e0 fs/ext4/inode.c:6470
ext4_evict_inode+0x79c/0xe60 fs/ext4/inode.c:253
evict+0x5f4/0xae0 fs/inode.c:837
ext4_orphan_cleanup+0xc20/0x1460 fs/ext4/orphan.c:472
__ext4_fill_super fs/ext4/super.c:5658 [inline]
ext4_fill_super+0x58ad/0x6170 fs/ext4/super.c:5777
get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
vfs_get_tree+0x92/0x2a0 fs/super.c:1751
fc_mount fs/namespace.c:1199 [inline]
do_new_mount_fc fs/namespace.c:3636 [inline]
do_new_mount+0x302/0xa10 fs/namespace.c:3712
do_mount fs/namespace.c:4035 [inline]
__do_sys_mount fs/namespace.c:4224 [inline]
__se_sys_mount+0x313/0x410 fs/namespace.c:4201
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbb1cf30eea
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff666d4448 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff666d44d0 RCX: 00007fbb1cf30eea
RDX: 0000200000000180 RSI: 0000200000000140 RDI: 00007fff666d4490
RBP: 0000200000000180 R08: 00007fff666d44d0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000140
R13: 00007fff666d4490 R14: 0000000000000497 R15: 0000200000000200
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 4c 89 ef mov %r13,%rdi
5: e8 34 b9 9f ff call 0xff9fb93e
a: 4d 8b 6d 00 mov 0x0(%r13),%r13
e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
15: fc ff df
18: 41 0f b6 04 06 movzbl (%r14,%rax,1),%eax
1d: 84 c0 test %al,%al
1f: 75 77 jne 0x98
21: 41 8b 17 mov (%r15),%edx
24: 4c 89 e7 mov %r12,%rdi
27: 4c 89 ee mov %r13,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 4c 8b 6c 24 28 mov 0x28(%rsp),%r13
34: e9 bd fe ff ff jmp 0xfffffef6
39: e8 e0 91 4f 08 call 0x84f921e
3e: 44 rex.R
3f: 89 .byte 0x89