Extracting prog: 1m25.845534826s
Minimizing prog: 5m36.992588307s
Simplifying prog options: 0s
Extracting C: 37.147364898s
Simplifying C: 10m43.573376428s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000001740)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@jqfmt_vfsv0}, {@noblock_validity}, {@resgid}, {@sysvgroups}, {@usrquota}, {@usrquota}]}, 0x12, 0x4dc, &(0x7f0000000d80)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file2\x00', 0x187842, 0x147)

program crashed: kernel BUG in may_delete
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000001740)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@jqfmt_vfsv0}, {@noblock_validity}, {@resgid}, {@sysvgroups}, {@usrquota}, {@usrquota}]}, 0x12, 0x4dc, &(0x7f0000000d80)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x2, 0x0)

program did not crash
testing program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000001740)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@jqfmt_vfsv0}, {@noblock_validity}, {@resgid}, {@sysvgroups}, {@usrquota}, {@usrquota}]}, 0x12, 0x4dc, &(0x7f0000000d80)="$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")
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file2\x00', 0x187842, 0x147)

program did not crash
testing program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount$incfs-openat
detailed listing:
executing program 0:
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file2\x00', 0x187842, 0x147)

program did not crash
testing program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000001740)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@jqfmt_vfsv0}, {@noblock_validity}, {@resgid}, {@sysvgroups}, {@usrquota}, {@usrquota}]}, 0x12, 0x4dc, &(0x7f0000000d80)="$eJzs3d9rHFsdAPDvTLK3v3JNrvpwveBtsZW0aHeTxrbBh1pB7FPBWt9rTDYhZJMN2U3bhCIpviuIqOCTT74I/gGC9E8QoaDvUkURbfXBB3VlZ2drG3eTlG52LsnnA9M5M2d3v9/TsGfmzBx2Aji2zkXEzYgYiYhLETGe70/z5Va7/k7ndS+eP5pvL0m0Wnf/mkSS7+t+VpKvz0TETkScjIiv34r4VvL/cRtb2ytztVp1I9+uNFfXK42t7cvLq3NL1aXq2szM9LXZ67NXZ6cG0s6JiLjxlT/+8Hs/++qNX33+we/v/fnit9tpjeX1r7ZjkDpNL2X/F12jEbFxGMEKMJKvS33qvzsyxGQAANhX+xz/4xHxmez8fzxGsrNTAAAA4ChpfWks/pVEtAAAAIAjK83mwCZpOZ8LMBZpWi535vB+Mk6ntXqj+bnF+ubaQmeu7ESU0sXlWnUqnys8EaWkvT2dz7Htbl/ZtT0TEe9FxA/GT2Xb5fl6baHoix8AAABwTJzZNf7/x3g2/j9RdF4AAADAgE0UnQAAAABw6Iz/AQAA4Ogz/gcAAIAj7Wu3b7eXVvf51wv3tzZX6vcvL1QbK+XVzfnyfH1jvbxUry9lv9m3ut/n1er19S/E2ubDSrPaaFYaW9v3Vuuba817y689AhsAAAAYovfOPvldEhE7XzyVLW3vFJ0UMBTJPvXZQ0Ke5Rt/GEJCwNCMFJ0AUJjRohMAClMqOgGgcPtdB+g7eefXg88FAAA4HJOf6n//37UBONrSohMAAIbO/X84vkqvzwC8WlwmQFE+tk/929//b7XeKCEAAGDgxrIlScv5vcCxSNNyOeLd7LEApWRxuVadyscHvx0vnWhvT2fvTPadMwwAAAAAAAAAAAAAAAAAAAAAAAAAdLRaSbQAAACAIy0i/VOS/Zp/xOT4hbHd1wfeSf45nq0j4sFP7v7o4VyzuTHd3v+3l/ubP873XyniCgYAAACwW3ec3h3HAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAgvXj+aL67DDPuX74cERM94589ma1ORikiTv89idFX3pdExMgA4u88joj3e8VP2mnFRHSy6BX/VIHx04g4M4D4cJw9afc/N3t9/9I4l617f/9G8+Vt9e//0uj2fyN9+p93Dxjjg6e/qPSN/zjig9He/U83ftIn/vkDxv/mN7a3+9W1fhox2fP4k7wWq9JcXa80trYvL6/OLVWXqmszM9PXZq/PXp2dqiwu16r5vz1jfP/Tv/zPXu0/3Sf+xD7tv3DA9v/76cPnn+gUS73iXzzf+/j7fp/4aX7s+2xebtdPdss7nfKrPvz5bz7cq/0Lfdr/8u/f40DbjnnxgO2/dOc7zw74UgBgCBpb2ytztVp1460Kg/qcNyykUUBQhUMqnPhopKHQKezVayTD66AAAICB+d9Jf9GZAAAAAAAAAAAAAAAAAAAAwPE1jJ8T2x1zp5imAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADs6b8BAAD///JI2KQ=")
mount$incfs(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file2\x00', 0x187842, 0x147)

program did not crash
testing program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000001740)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@jqfmt_vfsv0}, {@noblock_validity}, {@resgid}, {@sysvgroups}, {@usrquota}, {@usrquota}]}, 0x12, 0x4dc, &(0x7f0000000d80)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', 0x0, &(0x7f0000000040), 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file2\x00', 0x187842, 0x147)

program did not crash
testing program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000001740)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@jqfmt_vfsv0}, {@noblock_validity}, {@resgid}, {@sysvgroups}, {@usrquota}, {@usrquota}]}, 0x12, 0x4dc, &(0x7f0000000d80)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file2\x00', 0x187842, 0x147)

program did not crash
testing program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000001740)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@jqfmt_vfsv0}, {@noblock_validity}, {@resgid}, {@sysvgroups}, {@usrquota}, {@usrquota}]}, 0x12, 0x4dc, &(0x7f0000000d80)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x2, 0x0)
openat(0xffffffffffffff9c, 0x0, 0x187842, 0x147)

program did not crash
extracting C reproducer
testing compiled C program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
simplifying C reproducer
testing compiled C program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program did not crash
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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:true UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.800414989s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs-openat
program crashed: kernel BUG in may_delete
reproducing took 18m23.558878859s
repro crashed as (corrupted=false):
EXT4-fs (loop0): mounted filesystem without journal. Opts: errors=remount-ro,nodiscard,noquota,jqfmt=vfsv0,noblock_validity,resgid=0x0000000000000000,sysvgroups,usrquota,usrquota,
ext4 filesystem being mounted at /file1 supports timestamps until 2038-01-19 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/namei.c:2786!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 276 Comm: syz-executor354 Not tainted 5.10.237-syzkaller-00010-gcf6ed0f1511d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2786
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 20 25 f5 ff e9 d0 fd ff ff e8 76 35 bb ff 0f 0b e8 6f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53
RSP: 0018:ffffc90000b07b38 EFLAGS: 00010293
RAX: ffffffff81a85d01 RBX: ffff88811a79add0 RCX: ffff8881071d0000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000160f4c R11: 1ffff92000160f4c R12: ffff88811a771350
R13: 1ffff110234f35ba R14: ffff88811a79ade8 R15: ffff88811a7977a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7749d77130 CR3: 000000000620f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3e0 fs/namei.c:3833
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa27/0x2470 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 __do_sys_exit_group kernel/exit.c:996 [inline]
 __se_sys_exit_group kernel/exit.c:994 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:994
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7749cfcf09
Code: Unable to access opcode bytes at RIP 0x7f7749cfcedf.
RSP: 002b:00007ffc24a13998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7749cfcf09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f7749d79370 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 0000000000000147 R11: 0000000000000246 R12: 00007f7749d79370
R13: 0000000000000000 R14: 00007f7749d7a0e0 R15: 00007f7749ccb1d0
Modules linked in:
---[ end trace 6499995efbea7f3f ]---
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2786
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 20 25 f5 ff e9 d0 fd ff ff e8 76 35 bb ff 0f 0b e8 6f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53
RSP: 0018:ffffc90000b07b38 EFLAGS: 00010293
RAX: ffffffff81a85d01 RBX: ffff88811a79add0 RCX: ffff8881071d0000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000160f4c R11: 1ffff92000160f4c R12: ffff88811a771350
R13: 1ffff110234f35ba R14: ffff88811a79ade8 R15: ffff88811a7977a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7749d77130 CR3: 0000000119931000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
EXT4-fs (loop0): mounted filesystem without journal. Opts: errors=remount-ro,nodiscard,noquota,jqfmt=vfsv0,noblock_validity,resgid=0x0000000000000000,sysvgroups,usrquota,usrquota,
ext4 filesystem being mounted at /file1 supports timestamps until 2038-01-19 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/namei.c:2786!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 276 Comm: syz-executor354 Not tainted 5.10.237-syzkaller-00010-gcf6ed0f1511d #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2786
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 20 25 f5 ff e9 d0 fd ff ff e8 76 35 bb ff 0f 0b e8 6f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53
RSP: 0018:ffffc90000b07b38 EFLAGS: 00010293
RAX: ffffffff81a85d01 RBX: ffff88811a79add0 RCX: ffff8881071d0000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000160f4c R11: 1ffff92000160f4c R12: ffff88811a771350
R13: 1ffff110234f35ba R14: ffff88811a79ade8 R15: ffff88811a7977a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7749d77130 CR3: 000000000620f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3e0 fs/namei.c:3833
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x127/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa27/0x2470 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 __do_sys_exit_group kernel/exit.c:996 [inline]
 __se_sys_exit_group kernel/exit.c:994 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:994
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7749cfcf09
Code: Unable to access opcode bytes at RIP 0x7f7749cfcedf.
RSP: 002b:00007ffc24a13998 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7749cfcf09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f7749d79370 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 0000000000000147 R11: 0000000000000246 R12: 00007f7749d79370
R13: 0000000000000000 R14: 00007f7749d7a0e0 R15: 00007f7749ccb1d0
Modules linked in:
---[ end trace 6499995efbea7f3f ]---
RIP: 0010:may_delete+0x7b1/0x7c0 fs/namei.c:2786
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd ff ff 48 89 df e8 20 25 f5 ff e9 d0 fd ff ff e8 76 35 bb ff 0f 0b e8 6f 35 bb ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 55 48 89 e5 41 56 53
RSP: 0018:ffffc90000b07b38 EFLAGS: 00010293
RAX: ffffffff81a85d01 RBX: ffff88811a79add0 RCX: ffff8881071d0000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000160f4c R11: 1ffff92000160f4c R12: ffff88811a771350
R13: 1ffff110234f35ba R14: ffff88811a79ade8 R15: ffff88811a7977a0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7749d77130 CR3: 0000000119931000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400