Extracting prog: 1m19.726222176s
Minimizing prog: 6m19.707760902s
Simplifying prog options: 0s
Extracting C: 42.814780488s
Simplifying C: 11m10.111605684s


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-rmdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000002e00)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@oldalloc}, {@stripe={'stripe', 0x3d, 0x1}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@usrquota}]}, 0x10, 0x4d9, &(0x7f0000002e80)="$eJzs3c9rHG0dAPDvTLJvf+U1edVDLdgWW0mLdjdpbBs81ApiTwVrvdeYbELIJhuym7YJRVK8K4io4MmTF8E/QJD+CSIU9eZBqiiirR48qCs7O1vbuNtEut2pyecD03meeXb3+30admaemYedAA6tsxFxIyJGIuJiRIzn29N8udluv9153fNnD+fbSxKt1p0/J5Hk27qfleTrExGxExFHI+LLNyO+lvx33MbW9spcrVbdyOuV5up6pbG1fWl5dW6pulRdm5mZvjp7bfbK7NRA+jkREde/8PvvfutHX7z+s0/f/+3dP174ejutsbz95X4MUqfrpez/oms0IjbeRrACjOTrUp/2b44MMRkAAPbUPsf/cER8Ijv/H4+R7OwUAAAAOEhanxuLfyQRLQAAAODASrM5sElazucCjEWalsudObwfjeNprd5ofmqxvrm20JkrOxGldHG5Vp3K5wpPRClp16fzObbd+uVd9ZmI+CAivjN+LKuX5+u1haIvfgAAAMAhcWLX+P9v49n4/0jReQEAAAADNlF0AgAAAMBbZ/wPAAAAB5/xPwAAABxoX7p1q720us+/Xri3tblSv3dpodpYKa9uzpfn6xvr5aV6fSn7zb7VvT6vVq+vfybWNh9UmtVGs9LY2r67Wt9ca95dfuUR2AAAAMAQfXDm8a+TiNj57LFsaXuv6KSAoUj2aM8eEvI0r/xuCAkBQzNSdAJAYUaLTgAoTKnoBIDC7XUdoO/knZ8PPhcAAODtmPxY//v/rg3AwZYWnQAAMHTu/8PhVXp1BuCV4jIBivKhPdrf/P5/q/U/JQQAAAzcWLYkaTm/FzgWaVouR7yfPRaglCwu16pT+fjgV+OlI+36dPbOZM85wwAAAAAAAAAAAAAAAAAAAAAAAABAR6uVRKvV+s0vWwAAAMBBFZH+Icl+zT9icvz82O7rA+8lfx/P1hFx/wd3vvdgrtncmG5v/8uL7c3v59svF3EFAwAAANitO07vjuMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAYJCeP3s4312GGfdPn4+IiZ7xzxzNVkejFBHH/5rE6EvvSyJiZADxdx5FxMle8ZN2WjERnSx6xT9WYPw0Ik4MID4cZo/b+58bvb5/aZzN1r2/f6P58qb67//S6O7/Rvrsf97fZ4xTT35S6Rv/UcSp0d77n278pE/8c/uM/9WvbG/3a2v9MGKy5/EneSVWpbm6XmlsbV9aXp1bqi5V12Zmpq/OXpu9MjtVWVyuVfN/e8b49sd/+q/X9f94n/gTe/T//D77/88nD559pFMs9Yp/4Vzv4+/JPvHT/Nj3ybzcbp/slnc65Zed/vEvTr+u/wt9+v/i79/jQNuOeWGf/b94+xtP9/lSAGAIGlvbK3O1WnXj/7GQxjuRhsJACkfejTQUOoWi90wAAMCg/eekv+hMAAAAAAAAAAAAAAAAAAAA4PAaxs+J7QqZFNRVAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIDX+ncAAAD//zaO2LQ=")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
rmdir(&(0x7f0000000100)='./file2\x00')

program crashed: kernel BUG in may_delete
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=37.762705957s, {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$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000002e00)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@oldalloc}, {@stripe={'stripe', 0x3d, 0x1}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@usrquota}]}, 0x10, 0x4d9, &(0x7f0000002e80)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)

program did not crash
testing program (duration=37.762705957s, {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$ext4-rmdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000002e00)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@oldalloc}, {@stripe={'stripe', 0x3d, 0x1}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@usrquota}]}, 0x10, 0x4d9, &(0x7f0000002e80)="$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")
rmdir(&(0x7f0000000100)='./file2\x00')

program did not crash
testing program (duration=37.762705957s, {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$incfs-rmdir
detailed listing:
executing program 0:
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
rmdir(&(0x7f0000000100)='./file2\x00')

program did not crash
testing program (duration=37.762705957s, {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-rmdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000002e00)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@oldalloc}, {@stripe={'stripe', 0x3d, 0x1}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@usrquota}]}, 0x10, 0x4d9, &(0x7f0000002e80)="$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")
mount$incfs(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
rmdir(&(0x7f0000000100)='./file2\x00')

program did not crash
testing program (duration=37.762705957s, {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-rmdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000002e00)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@oldalloc}, {@stripe={'stripe', 0x3d, 0x1}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@usrquota}]}, 0x10, 0x4d9, &(0x7f0000002e80)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', 0x0, &(0x7f0000000140), 0x0, 0x0)
rmdir(&(0x7f0000000100)='./file2\x00')

program did not crash
testing program (duration=37.762705957s, {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-rmdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000002e00)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@oldalloc}, {@stripe={'stripe', 0x3d, 0x1}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@usrquota}]}, 0x10, 0x4d9, &(0x7f0000002e80)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0)
rmdir(&(0x7f0000000100)='./file2\x00')

program did not crash
testing program (duration=37.762705957s, {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-rmdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000002e00)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@oldalloc}, {@stripe={'stripe', 0x3d, 0x1}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@usrquota}]}, 0x10, 0x4d9, &(0x7f0000002e80)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
rmdir(0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
simplifying C reproducer
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program did not crash
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
testing compiled C program (duration=37.762705957s, {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-rmdir
program crashed: kernel BUG in may_delete
reproducing took 19m32.360411571s
repro crashed as (corrupted=false):
EXT4-fs (loop0): mounted filesystem without journal. Opts: errors=remount-ro,nodiscard,noquota,oldalloc,stripe=0x0000000000000001,resgid=0x0000000000000000,sysvgroups,delalloc,usrquota,. Quota mode: writeback.
ext4 filesystem being mounted at /file1 supports timestamps until 2038-01-19 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/namei.c:2933!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 282 Comm: syz-executor147 Not tainted 5.15.183-syzkaller-00056-g56993594bfa4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2933
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 00 54 f5 ff e9 77 fe ff ff e8 e6 e2 b6 ff 0f 0b e8 df e2 b6 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:ffffc90000947b10 EFLAGS: 00010293
RAX: ffffffff81b1c0e1 RBX: ffff88811fd83990 RCX: ffff8881077a8000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000947b78 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000128f44 R11: 1ffff92000128f44 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff88811fd838b0 R15: 1ffff11023fb0732
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54bd883130 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rmdir+0x32/0x460 fs/namei.c:4130
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1143
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa76/0x27a0 kernel/exit.c:880
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 __do_sys_exit_group kernel/exit.c:1013 [inline]
 __se_sys_exit_group kernel/exit.c:1011 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011
 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7f54bd808f09
Code: Unable to access opcode bytes at RIP 0x7f54bd808edf.
RSP: 002b:00007ffd6c79e8f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f54bd808f09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f54bd885370 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f54bd885370
R13: 0000000000000000 R14: 00007f54bd8860e0 R15: 00007f54bd7d71e0
 </TASK>
Modules linked in:
---[ end trace 359ae69ca187eecb ]---
RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2933
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 00 54 f5 ff e9 77 fe ff ff e8 e6 e2 b6 ff 0f 0b e8 df e2 b6 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:ffffc90000947b10 EFLAGS: 00010293
RAX: ffffffff81b1c0e1 RBX: ffff88811fd83990 RCX: ffff8881077a8000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000947b78 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000128f44 R11: 1ffff92000128f44 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff88811fd838b0 R15: 1ffff11023fb0732
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54bd883130 CR3: 000000010d2d9000 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,oldalloc,stripe=0x0000000000000001,resgid=0x0000000000000000,sysvgroups,delalloc,usrquota,. Quota mode: writeback.
ext4 filesystem being mounted at /file1 supports timestamps until 2038-01-19 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/namei.c:2933!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 282 Comm: syz-executor147 Not tainted 5.15.183-syzkaller-00056-g56993594bfa4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2933
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 00 54 f5 ff e9 77 fe ff ff e8 e6 e2 b6 ff 0f 0b e8 df e2 b6 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:ffffc90000947b10 EFLAGS: 00010293
RAX: ffffffff81b1c0e1 RBX: ffff88811fd83990 RCX: ffff8881077a8000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000947b78 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000128f44 R11: 1ffff92000128f44 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff88811fd838b0 R15: 1ffff11023fb0732
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54bd883130 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 vfs_rmdir+0x32/0x460 fs/namei.c:4130
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1143
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xa76/0x27a0 kernel/exit.c:880
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 __do_sys_exit_group kernel/exit.c:1013 [inline]
 __se_sys_exit_group kernel/exit.c:1011 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011
 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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: 0033:0x7f54bd808f09
Code: Unable to access opcode bytes at RIP 0x7f54bd808edf.
RSP: 002b:00007ffd6c79e8f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f54bd808f09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f54bd885370 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f54bd885370
R13: 0000000000000000 R14: 00007f54bd8860e0 R15: 00007f54bd7d71e0
 </TASK>
Modules linked in:
---[ end trace 359ae69ca187eecb ]---
RIP: 0010:may_delete+0x701/0x710 fs/namei.c:2933
Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 84 fe ff ff 48 89 df e8 00 54 f5 ff e9 77 fe ff ff e8 e6 e2 b6 ff 0f 0b e8 df e2 b6 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:ffffc90000947b10 EFLAGS: 00010293
RAX: ffffffff81b1c0e1 RBX: ffff88811fd83990 RCX: ffff8881077a8000
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000947b78 R08: 0000000000000004 R09: 0000000000000003
R10: fffff52000128f44 R11: 1ffff92000128f44 R12: dffffc0000000000
R13: 0000000000000001 R14: ffff88811fd838b0 R15: 1ffff11023fb0732
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f54bd883130 CR3: 000000010d2d9000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400