Extracting prog: 3m40.010520559s
Minimizing prog: 45.68µs
Simplifying prog options: 0s
Extracting C: 1m42.922041645s
Simplifying C: 12m9.257567867s
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(&(0x7f0000000080)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800718, &(0x7f0000000000)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@noinit_itable}, {@acl}, {@bsdgroups}]}, 0x0, 0x48a, &(0x7f0000000200)="$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")
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800718, &(0x7f0000000000)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@noinit_itable}, {@acl}, {@bsdgroups}]}, 0x0, 0x48a, &(0x7f0000000200)="$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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
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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800718, &(0x7f0000000000)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@noinit_itable}, {@acl}, {@bsdgroups}]}, 0x0, 0x48a, &(0x7f0000000200)="$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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:false 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(&(0x7f0000000080)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800718, &(0x7f0000000000)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@noinit_itable}, {@acl}, {@bsdgroups}]}, 0x0, 0x48a, &(0x7f0000000200)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f00000001c0)='./file0\x00', 0x800718, &(0x7f0000000000)={[{@nodioread_nolock}, {@journal_dev={'journal_dev', 0x3d, 0x40000ff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5c}}, {@nouid32}, {@noinit_itable}, {@acl}, {@bsdgroups}]}, 0x0, 0x48a, &(0x7f0000000200)="$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")
program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
reproducing took 21m38.894920703s
repro crashed as (corrupted=false):
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x4c9/0x5a0 fs/ext4/xattr.c:1057, CPU#0: syz.0.17/5923
Modules linked in:
CPU: 0 UID: 0 PID: 5923 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x511/0x5a0 fs/ext4/xattr.c:1057
Code: 74 08 4c 89 ef e8 7f 30 9b 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 59 fe ff ff e8 7b 09 8c 08 44 89
RSP: 0018:ffffc90003dc7240 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: dffffc0000000000
RDX: 0000000000000002 RSI: 000000000000000b RDI: ffffffff8f8f2f70
RBP: ffffc90003dc7330 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10089d1214 R12: ffffffff8f8f2f70
R13: 000000000000000b R14: 1ffff110089d11d8 R15: ffff888044e88ec0
FS: 000055555e5c1500(0000) GS:ffff888126179000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcdb4351c8 CR3: 0000000034c62000 CR4: 00000000003526f0
Call Trace:
ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline]
ext4_xattr_inode_dec_ref_all+0x8c9/0xe40 fs/ext4/xattr.c:1228
ext4_xattr_delete_inode+0xb45/0xd10 fs/ext4/xattr.c:2952
ext4_evict_inode+0xc4e/0x10e0 fs/ext4/inode.c:284
evict+0x61e/0xb10 fs/inode.c:841
ext4_orphan_cleanup+0xc38/0x1470 fs/ext4/orphan.c:472
__ext4_fill_super fs/ext4/super.c:5701 [inline]
ext4_fill_super+0x59bb/0x62d0 fs/ext4/super.c:5824
get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694
vfs_get_tree+0x92/0x2a0 fs/super.c:1754
fc_mount fs/namespace.c:1193 [inline]
do_new_mount_fc fs/namespace.c:3758 [inline]
do_new_mount+0x341/0xd30 fs/namespace.c:3834
do_mount fs/namespace.c:4167 [inline]
__do_sys_mount fs/namespace.c:4383 [inline]
__se_sys_mount+0x31d/0x420 fs/namespace.c:4360
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f071cfee04a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc145dc38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffcc145dcc0 RCX: 00007f071cfee04a
RDX: 0000200000000080 RSI: 00002000000001c0 RDI: 00007ffcc145dc80
RBP: 0000200000000080 R08: 00007ffcc145dcc0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007ffcc145dc80 R14: 000000000000048a R15: 0000200000000000
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 4c 89 ef mov %r13,%rdi
5: e8 7f 30 9b ff call 0xff9b3089
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 59 fe ff ff jmp 0xfffffe92
39: e8 7b 09 8c 08 call 0x88c09b9
3e: 44 rex.R
3f: 89 .byte 0x89
final repro crashed as (corrupted=false):
EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2860: Unable to expand inode 15. Delete some EAs or run e2fsck.
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x4c9/0x5a0 fs/ext4/xattr.c:1057, CPU#0: syz.0.17/5923
Modules linked in:
CPU: 0 UID: 0 PID: 5923 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x511/0x5a0 fs/ext4/xattr.c:1057
Code: 74 08 4c 89 ef e8 7f 30 9b 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 59 fe ff ff e8 7b 09 8c 08 44 89
RSP: 0018:ffffc90003dc7240 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000ffffffff RCX: dffffc0000000000
RDX: 0000000000000002 RSI: 000000000000000b RDI: ffffffff8f8f2f70
RBP: ffffc90003dc7330 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10089d1214 R12: ffffffff8f8f2f70
R13: 000000000000000b R14: 1ffff110089d11d8 R15: ffff888044e88ec0
FS: 000055555e5c1500(0000) GS:ffff888126179000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcdb4351c8 CR3: 0000000034c62000 CR4: 00000000003526f0
Call Trace:
ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline]
ext4_xattr_inode_dec_ref_all+0x8c9/0xe40 fs/ext4/xattr.c:1228
ext4_xattr_delete_inode+0xb45/0xd10 fs/ext4/xattr.c:2952
ext4_evict_inode+0xc4e/0x10e0 fs/ext4/inode.c:284
evict+0x61e/0xb10 fs/inode.c:841
ext4_orphan_cleanup+0xc38/0x1470 fs/ext4/orphan.c:472
__ext4_fill_super fs/ext4/super.c:5701 [inline]
ext4_fill_super+0x59bb/0x62d0 fs/ext4/super.c:5824
get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694
vfs_get_tree+0x92/0x2a0 fs/super.c:1754
fc_mount fs/namespace.c:1193 [inline]
do_new_mount_fc fs/namespace.c:3758 [inline]
do_new_mount+0x341/0xd30 fs/namespace.c:3834
do_mount fs/namespace.c:4167 [inline]
__do_sys_mount fs/namespace.c:4383 [inline]
__se_sys_mount+0x31d/0x420 fs/namespace.c:4360
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f071cfee04a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc145dc38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffcc145dcc0 RCX: 00007f071cfee04a
RDX: 0000200000000080 RSI: 00002000000001c0 RDI: 00007ffcc145dc80
RBP: 0000200000000080 R08: 00007ffcc145dcc0 R09: 0000000000800718
R10: 0000000000800718 R11: 0000000000000246 R12: 00002000000001c0
R13: 00007ffcc145dc80 R14: 000000000000048a R15: 0000200000000000
----------------
Code disassembly (best guess):
0: 74 08 je 0xa
2: 4c 89 ef mov %r13,%rdi
5: e8 7f 30 9b ff call 0xff9b3089
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 59 fe ff ff jmp 0xfffffe92
39: e8 7b 09 8c 08 call 0x88c09b9
3e: 44 rex.R
3f: 89 .byte 0x89