Extracting prog: 2m23.965520595s Minimizing prog: 5m52.621776401s Simplifying prog options: 0s Extracting C: 35.283713771s Simplifying C: 9m10.282468666s extracting reproducer from 31 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$ext4-socket$nl_route-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$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") r0 = socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'macsec0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000880)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000006c0)=ANY=[@ANYBLOB="4c0000001000010400"/20, @ANYRES32=r2, @ANYBLOB="00000000000000002c0012800b0001006d616373656300001c0002800600084000"], 0x4c}}, 0x0) program crashed: WARNING in ext4_xattr_inode_update_ref single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=45.305840952s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$nl_route-socketpair$unix-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$eJzs28trXNUfAPDvvXm1vz7SX62P1qrRIgTFpEmrduFGURCpKKhQlzGZltBpI00UW4tNRVwJUtB1cSn6F7hSBFFXQreuXEmhaDdtXUXunXvTyXQmTc2kk8fnA5Occx9zznfOfZx7zkwAG9ZA9ieJ2BoRv0dEfy27cIOB2r/rV8+O37h6djyJubk3/kry7a5dPTteblrut6XIDKYR6SdJUchC06fPHB+rViunivzwzIl3h6dPn3nq/RNjxyrHKidHDx06eGDk2WdGn25LnFlc1/Z8NLV398tvX3h1/MiFd375Nqvv1mJ9fRztMpAF/vdcrnHd4+0urMO21aWT7qXs0bVylWHJslbImqsnP//7oytuNl5/vPRxRysHrKjs3tTXevXsHLCOJdHpGgCdUd7os+ff8nWXuh6rwpXnaw9AWdzXi1dtTXekxTY9Dc+37TQQEUdm/7mYvWKFxiEAAOp9Nv7l4d6I+PDGN69kfY/+iOiLiLfm+4d/5NttL+ZQdkTE/yNiZ0TcExG7IuLeiLgvIu6PiAeWWZ9b+z/p5WW+5aKy/t9zxdzWwv5f2fuLHV1Fblsef09ydLJa2R99+WcyGD19WX5kkTJ+ePHS563W1ff/sldWftkXLOpxubthgG5ibGYs75S2wZXzEXu6m8WfzM8EJBGxOyL23Nlbby8Tk098vbfVRs3jv3ZxSSUsaZ5pcXNfZeHNZvHPRkP8paR+fnLylvnJ4U1Rrewfrh0Vzfz626evtyr/9u2/sq5Uav/r2r9xkx1J/XztdHvL/4/Hf9qbvJnPM/cWyz4Ym5k5NRLRmxzO8wuWj97ct8yX22fH/+C+5uf/zmKfLP4HIyI7iB+KiIcj4pGi7o9GxGMRsW+RGH9+4fbxR9qh9j8fMdH0+jd//De0/50nuo7/9F2r8pu1//e3tP/BPDVYLMmvf7fRrDrZ5aKxgsv57AAAAGCtSPPvwCfp0Hw6TYeGat/h3xX/S6tT0zNPHp167+REXNpeG/9My5Gu/mI8tDpZrYwks8U71sZHR4ux4nK89EAxbvxF1+Y8PzQ+VZ3ocOyw0W1pcf5n/vQTDVjvNjddOtp71ysCdEDjPHq6MHvutXAxgPWqDd+jAdao8vxv8bxf/zsYYJ1x/4eNq9n5f64hby4A1if3f9i4nP+wQaU/LmNnTwWw1rn/w4a0nN/1r2Bi0+qoRmcSq7VR8kREmUhXRX0kVijR6SsTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAe/wbAAD//wPT7w0=") socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'macsec0\x00'}) program crashed: WARNING in ext4_xattr_inode_update_ref testing program (duration=45.305840952s, {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$ext4-socket$nl_route-socketpair$unix detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$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") socket$nl_route(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)) program crashed: WARNING in ext4_xattr_inode_update_ref testing program (duration=45.305840952s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$nl_route detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$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") socket$nl_route(0x10, 0x3, 0x0) program crashed: WARNING in ext4_xattr_inode_update_ref testing program (duration=45.305840952s, {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', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$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") program crashed: WARNING in ext4_xattr_inode_update_ref extracting C reproducer testing compiled C program (duration=45.305840952s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref simplifying C reproducer testing compiled C program (duration=45.305840952s, {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$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref testing compiled C program (duration=45.305840952s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref testing compiled C program (duration=45.305840952s, {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$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref testing compiled C program (duration=45.305840952s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref testing compiled C program (duration=45.305840952s, {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$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref testing compiled C program (duration=45.305840952s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref testing compiled C program (duration=45.305840952s, {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$ext4 program crashed: WARNING in ext4_xattr_inode_update_ref testing program (duration=45.305840952s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$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") program crashed: WARNING in ext4_xattr_inode_update_ref validation run: crashed=true testing program (duration=45.305840952s, {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', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$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") program crashed: WARNING in ext4_xattr_inode_update_ref validation run: crashed=true testing program (duration=45.305840952s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4 detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000180)='ext4\x00', &(0x7f0000000040)='./file1\x00', 0x0, &(0x7f0000000b40)={[{@nobarrier}, {@dioread_nolock}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x5a}}, {@prjquota}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x4}}, {@nobarrier}, {@nodelalloc}]}, 0x1, 0x485, &(0x7f0000000640)="$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") program crashed: WARNING in ext4_xattr_inode_update_ref validation run: crashed=true reproducing took 23m51.681873131s repro crashed as (corrupted=false): syz.0.17[5930]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set loop0: detected capacity change from 0 to 512 EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE ------------[ cut here ]------------ EA inode 11 i_nlink=65535 WARNING: CPU: 0 PID: 5930 at fs/ext4/xattr.c:1059 ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057 Modules linked in: CPU: 0 PID: 5930 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 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 35 d5 98 ff 49 8b 37 48 c7 c7 20 d8 de 8a 89 da e8 74 54 0a ff <0f> 0b 4c 8b 74 24 08 4c 8b 7c 24 10 e9 ab fe ff ff e8 be e5 3f 08 RSP: 0018:ffffc90004b8f1a0 EFLAGS: 00010246 RAX: 3d04e04e7de49500 RBX: 000000000000ffff RCX: ffff8880287e3c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffc90004b8f298 R08: ffff8880b8e28c13 R09: 1ffff110171c5182 R10: dffffc0000000000 R11: ffffed10171c5183 R12: dffffc0000000000 R13: ffff88806012c0a8 R14: ffff88806012beb0 R15: ffff88806012bf00 FS: 000055558a208500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f87a189d000 CR3: 000000002e65c000 CR4: 00000000003506f0 Call Trace: ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline] ext4_xattr_set_entry+0xcda/0x1e90 fs/ext4/xattr.c:1724 ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2268 ext4_xattr_move_to_block fs/ext4/xattr.c:2671 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2739 [inline] ext4_expand_extra_isize_ea+0x1398/0x1e80 fs/ext4/xattr.c:2827 __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+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f5d1899e04a 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:00007ffdd154f538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffdd154f5c0 RCX: 00007f5d1899e04a RDX: 0000200000000180 RSI: 0000200000000040 RDI: 00007ffdd154f580 RBP: 0000200000000180 R08: 00007ffdd154f5c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040 R13: 00007ffdd154f580 R14: 0000000000000485 R15: 0000200000000b40 final repro crashed as (corrupted=false): syz.0.17[5930]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set loop0: detected capacity change from 0 to 512 EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE ------------[ cut here ]------------ EA inode 11 i_nlink=65535 WARNING: CPU: 0 PID: 5930 at fs/ext4/xattr.c:1059 ext4_xattr_inode_update_ref+0x53c/0x590 fs/ext4/xattr.c:1057 Modules linked in: CPU: 0 PID: 5930 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 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 35 d5 98 ff 49 8b 37 48 c7 c7 20 d8 de 8a 89 da e8 74 54 0a ff <0f> 0b 4c 8b 74 24 08 4c 8b 7c 24 10 e9 ab fe ff ff e8 be e5 3f 08 RSP: 0018:ffffc90004b8f1a0 EFLAGS: 00010246 RAX: 3d04e04e7de49500 RBX: 000000000000ffff RCX: ffff8880287e3c00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 RBP: ffffc90004b8f298 R08: ffff8880b8e28c13 R09: 1ffff110171c5182 R10: dffffc0000000000 R11: ffffed10171c5183 R12: dffffc0000000000 R13: ffff88806012c0a8 R14: ffff88806012beb0 R15: ffff88806012bf00 FS: 000055558a208500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f87a189d000 CR3: 000000002e65c000 CR4: 00000000003506f0 Call Trace: ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline] ext4_xattr_set_entry+0xcda/0x1e90 fs/ext4/xattr.c:1724 ext4_xattr_ibody_set+0x254/0x6a0 fs/ext4/xattr.c:2268 ext4_xattr_move_to_block fs/ext4/xattr.c:2671 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2739 [inline] ext4_expand_extra_isize_ea+0x1398/0x1e80 fs/ext4/xattr.c:2827 __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+0x55/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f5d1899e04a 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:00007ffdd154f538 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffdd154f5c0 RCX: 00007f5d1899e04a RDX: 0000200000000180 RSI: 0000200000000040 RDI: 00007ffdd154f580 RBP: 0000200000000180 R08: 00007ffdd154f5c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040 R13: 00007ffdd154f580 R14: 0000000000000485 R15: 0000200000000b40