Extracting prog: 35.556043268s
Minimizing prog: 85.99µs
Simplifying prog options: 0s
Extracting C: 2m18.580800478s
Simplifying C: 9m3.471605888s


extracting reproducer from 37 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 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', &(0x7f0000000000)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@data_err_ignore}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@min_batch_time={'min_batch_time', 0x3d, 0x3}}]}, 0x1, 0x47a, &(0x7f00000006c0)="$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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=45.398720811s, {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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
simplifying C reproducer
testing compiled C program (duration=45.398720811s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.398720811s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.398720811s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.398720811s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.398720811s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.398720811s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.398720811s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=45.398720811s, {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 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', &(0x7f0000000000)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@data_err_ignore}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@min_batch_time={'min_batch_time', 0x3d, 0x3}}]}, 0x1, 0x47a, &(0x7f00000006c0)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=45.398720811s, {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 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', &(0x7f0000000000)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@data_err_ignore}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@min_batch_time={'min_batch_time', 0x3d, 0x3}}]}, 0x1, 0x47a, &(0x7f00000006c0)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=45.398720811s, {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 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', &(0x7f0000000000)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@data_err_ignore}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@min_batch_time={'min_batch_time', 0x3d, 0x3}}]}, 0x1, 0x47a, &(0x7f00000006c0)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
reproducing took 15m1.858716959s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
------------[ cut here ]------------
EA inode 11 i_nlink=0
WARNING: CPU: 0 PID: 4314 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4e7/0x540 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 0 PID: 4314 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x4e7/0x540 fs/ext4/xattr.c:1004
Code: 7c 24 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 1a e6 a1 ff 49 8b 37 48 c7 c7 40 9b 3d 8a 89 da e8 f9 32 95 07 <0f> 0b 4c 8b 64 24 08 4c 8b 7c 24 10 e9 a9 fe ff ff e8 43 22 a0 07
RSP: 0018:ffffc90002eaf160 EFLAGS: 00010246
RAX: 71896f62f0db1800 RBX: 0000000000000000 RCX: ffff888027a09dc0
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002eaf250 R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffff88806e737048
R13: 1ffff1100dce6e48 R14: dffffc0000000000 R15: ffff88806e737088
FS:  0000555561172500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ed995ed30 CR3: 000000005ec84000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline]
 ext4_xattr_set_entry+0xed9/0x3ea0 fs/ext4/xattr.c:1685
 ext4_xattr_ibody_set+0x112/0x330 fs/ext4/xattr.c:2238
 ext4_xattr_move_to_block fs/ext4/xattr.c:2625 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline]
 ext4_expand_extra_isize_ea+0x10d3/0x19b0 fs/ext4/xattr.c:2781
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5905
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5948 [inline]
 __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6026
 ext4_evict_inode+0xa8d/0x1090 fs/ext4/inode.c:282
 evict+0x4c9/0x8d0 fs/inode.c:647
 ext4_orphan_cleanup+0xad2/0x1320 fs/ext4/orphan.c:472
 ext4_fill_super+0x8e25/0x95a0 fs/ext4/super.c:5000
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1551581a0a
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:00007ffdd4d4fa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffdd4d4fb00 RCX: 00007f1551581a0a
RDX: 0000200000000180 RSI: 0000200000000000 RDI: 00007ffdd4d4fac0
RBP: 0000200000000180 R08: 00007ffdd4d4fb00 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007ffdd4d4fac0 R14: 000000000000047a R15: 0000200000000b40
 </TASK>

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
------------[ cut here ]------------
EA inode 11 i_nlink=0
WARNING: CPU: 0 PID: 4314 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4e7/0x540 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 0 PID: 4314 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x4e7/0x540 fs/ext4/xattr.c:1004
Code: 7c 24 40 4c 89 f8 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 ff e8 1a e6 a1 ff 49 8b 37 48 c7 c7 40 9b 3d 8a 89 da e8 f9 32 95 07 <0f> 0b 4c 8b 64 24 08 4c 8b 7c 24 10 e9 a9 fe ff ff e8 43 22 a0 07
RSP: 0018:ffffc90002eaf160 EFLAGS: 00010246
RAX: 71896f62f0db1800 RBX: 0000000000000000 RCX: ffff888027a09dc0
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90002eaf250 R08: ffff8880b902795b R09: 1ffff11017204f2b
R10: dffffc0000000000 R11: ffffed1017204f2c R12: ffff88806e737048
R13: 1ffff1100dce6e48 R14: dffffc0000000000 R15: ffff88806e737088
FS:  0000555561172500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0ed995ed30 CR3: 000000005ec84000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline]
 ext4_xattr_set_entry+0xed9/0x3ea0 fs/ext4/xattr.c:1685
 ext4_xattr_ibody_set+0x112/0x330 fs/ext4/xattr.c:2238
 ext4_xattr_move_to_block fs/ext4/xattr.c:2625 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline]
 ext4_expand_extra_isize_ea+0x10d3/0x19b0 fs/ext4/xattr.c:2781
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5905
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5948 [inline]
 __ext4_mark_inode_dirty+0x469/0x700 fs/ext4/inode.c:6026
 ext4_evict_inode+0xa8d/0x1090 fs/ext4/inode.c:282
 evict+0x4c9/0x8d0 fs/inode.c:647
 ext4_orphan_cleanup+0xad2/0x1320 fs/ext4/orphan.c:472
 ext4_fill_super+0x8e25/0x95a0 fs/ext4/super.c:5000
 mount_bdev+0x287/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x24a/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f1551581a0a
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:00007ffdd4d4fa78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffdd4d4fb00 RCX: 00007f1551581a0a
RDX: 0000200000000180 RSI: 0000200000000000 RDI: 00007ffdd4d4fac0
RBP: 0000200000000180 R08: 00007ffdd4d4fb00 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007ffdd4d4fac0 R14: 000000000000047a R15: 0000200000000b40
 </TASK>