Extracting prog: 40.148347308s
Minimizing prog: 2m7.319670658s
Simplifying prog options: 0s
Extracting C: 2m14.957064271s
Simplifying C: 11m59.527076179s


extracting reproducer from 52 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:4 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$ext4-mkdirat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x10, &(0x7f0000000080)={[{@quota}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nodelalloc}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}, {@nobarrier}, {@errors_remount}]}, 0xfd, 0x485, &(0x7f0000000640)="$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")
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x181)

program crashed: WARNING in ext4_xattr_inode_update_ref
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=45.785552202s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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', &(0x7f0000000040)='./file1\x00', 0x10, &(0x7f0000000080)={[{@quota}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nodelalloc}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}, {@nobarrier}, {@errors_remount}]}, 0xfd, 0x485, &(0x7f0000000640)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
extracting C reproducer
testing compiled C program (duration=45.785552202s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
simplifying C reproducer
testing compiled C program (duration=45.785552202s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.785552202s, {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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.785552202s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.785552202s, {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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.785552202s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.785552202s, {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$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing compiled C program (duration=45.785552202s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4
program crashed: WARNING in ext4_xattr_inode_update_ref
testing program (duration=45.785552202s, {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', &(0x7f0000000040)='./file1\x00', 0x10, &(0x7f0000000080)={[{@quota}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nodelalloc}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}, {@nobarrier}, {@errors_remount}]}, 0xfd, 0x485, &(0x7f0000000640)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=45.785552202s, {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', &(0x7f0000000040)='./file1\x00', 0x10, &(0x7f0000000080)={[{@quota}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nodelalloc}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}, {@nobarrier}, {@errors_remount}]}, 0xfd, 0x485, &(0x7f0000000640)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
testing program (duration=45.785552202s, {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', &(0x7f0000000040)='./file1\x00', 0x10, &(0x7f0000000080)={[{@quota}, {@nombcache}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@nodelalloc}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x2}}, {@nobarrier}, {@errors_remount}]}, 0xfd, 0x485, &(0x7f0000000640)="$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")

program crashed: WARNING in ext4_xattr_inode_update_ref
validation run: crashed=true
reproducing took 24m19.759314531s
repro crashed as (corrupted=false):
syz.0.17[5923]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 512
------------[ cut here ]------------
EA inode 11 i_nlink=65535
WARNING: CPU: 1 PID: 5923 at fs/ext4/xattr.c:1059 ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057
Modules linked in:
CPU: 1 PID: 5923 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057
Code: 8d 7e 50 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 85 d2 98 ff 49 8b 37 48 c7 c7 60 dc de 8a 89 da e8 54 44 0a ff <0f> 0b 4c 8b 74 24 08 4c 8b 7c 24 10 e9 ab fe ff ff e8 2e c1 41 08
RSP: 0018:ffffc900031c71a0 EFLAGS: 00010246
RAX: 8049e828e0e89400 RBX: 000000000000ffff RCX: ffff88802e149e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc900031c7298 R08: ffff8880b8f28c53 R09: 1ffff110171e518a
R10: dffffc0000000000 R11: ffffed10171e518b R12: dffffc0000000000
R13: ffff88807278caa8 R14: ffff88807278c8b0 R15: ffff88807278c900
FS:  00005555778ba500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff4a762000 CR3: 000000007b91a000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline]
 ext4_xattr_set_entry+0xcda/0x1e90 fs/ext4/xattr.c:1726
 ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2270
 ext4_xattr_move_to_block fs/ext4/xattr.c:2673 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2741 [inline]
 ext4_expand_extra_isize_ea+0x1398/0x1e80 fs/ext4/xattr.c:2829
 __ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5990
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6033 [inline]
 __ext4_mark_inode_dirty+0x45d/0x6e0 fs/ext4/inode.c:6111
 ext4_evict_inode+0x7f3/0xea0 fs/ext4/inode.c:254
 evict+0x4ca/0x8d0 fs/inode.c:705
 ext4_orphan_cleanup+0xbec/0x1420 fs/ext4/orphan.c:472
 __ext4_fill_super fs/ext4/super.c:5621 [inline]
 ext4_fill_super+0x5eea/0x67b0 fs/ext4/super.c:5744
 get_tree_bdev+0x3f3/0x520 fs/super.c:1591
 vfs_get_tree+0x8c/0x280 fs/super.c:1764
 do_new_mount+0x24b/0xa40 fs/namespace.c:3386
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f640799e0ca
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:00007fff4a760ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff4a761080 RCX: 00007f640799e0ca
RDX: 0000200000000180 RSI: 0000200000000040 RDI: 00007fff4a761040
RBP: 0000200000000180 R08: 00007fff4a761080 R09: 0000000000000010
R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000000040
R13: 00007fff4a761040 R14: 0000000000000485 R15: 000000000000002c
 </TASK>

final repro crashed as (corrupted=false):
syz.0.17[5923]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 512
------------[ cut here ]------------
EA inode 11 i_nlink=65535
WARNING: CPU: 1 PID: 5923 at fs/ext4/xattr.c:1059 ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057
Modules linked in:
CPU: 1 PID: 5923 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057
Code: 8d 7e 50 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 85 d2 98 ff 49 8b 37 48 c7 c7 60 dc de 8a 89 da e8 54 44 0a ff <0f> 0b 4c 8b 74 24 08 4c 8b 7c 24 10 e9 ab fe ff ff e8 2e c1 41 08
RSP: 0018:ffffc900031c71a0 EFLAGS: 00010246
RAX: 8049e828e0e89400 RBX: 000000000000ffff RCX: ffff88802e149e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc900031c7298 R08: ffff8880b8f28c53 R09: 1ffff110171e518a
R10: dffffc0000000000 R11: ffffed10171e518b R12: dffffc0000000000
R13: ffff88807278caa8 R14: ffff88807278c8b0 R15: ffff88807278c900
FS:  00005555778ba500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff4a762000 CR3: 000000007b91a000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline]
 ext4_xattr_set_entry+0xcda/0x1e90 fs/ext4/xattr.c:1726
 ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2270
 ext4_xattr_move_to_block fs/ext4/xattr.c:2673 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2741 [inline]
 ext4_expand_extra_isize_ea+0x1398/0x1e80 fs/ext4/xattr.c:2829
 __ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5990
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6033 [inline]
 __ext4_mark_inode_dirty+0x45d/0x6e0 fs/ext4/inode.c:6111
 ext4_evict_inode+0x7f3/0xea0 fs/ext4/inode.c:254
 evict+0x4ca/0x8d0 fs/inode.c:705
 ext4_orphan_cleanup+0xbec/0x1420 fs/ext4/orphan.c:472
 __ext4_fill_super fs/ext4/super.c:5621 [inline]
 ext4_fill_super+0x5eea/0x67b0 fs/ext4/super.c:5744
 get_tree_bdev+0x3f3/0x520 fs/super.c:1591
 vfs_get_tree+0x8c/0x280 fs/super.c:1764
 do_new_mount+0x24b/0xa40 fs/namespace.c:3386
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f640799e0ca
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:00007fff4a760ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fff4a761080 RCX: 00007f640799e0ca
RDX: 0000200000000180 RSI: 0000200000000040 RDI: 00007fff4a761040
RBP: 0000200000000180 R08: 00007fff4a761080 R09: 0000000000000010
R10: 0000000000000010 R11: 0000000000000246 R12: 0000200000000040
R13: 00007fff4a761040 R14: 0000000000000485 R15: 000000000000002c
 </TASK>