Extracting prog: 1m13.680190844s
Minimizing prog: 5m27.550266378s
Simplifying prog options: 0s
Extracting C: 35.481920384s
Simplifying C: 10m34.979921932s


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-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@noauto_da_alloc}, {@jqfmt_vfsold}, {@noquota}, {@norecovery}, {}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
unlink(&(0x7f00000003c0)='./file3\x00')

program crashed: kernel BUG in may_delete
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=32.153214769s, {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$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@noauto_da_alloc}, {@jqfmt_vfsold}, {@noquota}, {@norecovery}, {}]}, 0x1, 0x4be, &(0x7f0000000540)="$eJzs3ctrW1caAPBPUvyMZ/KYYUgyMAlkIPMglh8MsWdmM6uZWQSGCXTTQuraiutatowlp7EJ1Gl3WXRRWlooXXRZ6D/QbppVQ6F03e5LFiWlTV1oCwUVXUmO/JArGjsC398PbnTuOTf6zrH4jq+OrnUDSK1ztX8yEUMR8UlEHKvvbj3gXP1h48HN6dqWiWr1yleZ5LjafvPQ5v87GhHrEdEfEf//d8QzmZ1xy6tr81PFYmG5sZ+vLCzly6trF+cWpmYLs4XF0YlLk5MTI+Njk/s21tsvP3f78vv/7X33u5fu333lww9q3RpqtLWOYz/Vh94TJ1rqjkTEPw8iWBfkGuMZ6HZH+EVqr99vIuJ8kv/HIpe8mkAaVKvV6o/VvnbN61Xg0Mom58CZ7HBE1MvZ7PBw/Rz+tzGYLZbKlb9eK60sztTPlY9HT/baXLEw0nivcDx6MrX90aT8cH9s2/54RHIO/GpuINkfni4VZx7vVAdsc3Rb/n+bq+c/kBLe8kN6yX9IL/kP6SX/Ib3kP6SX/If0kv+QXvIf0kv+Q3rJf0gv+Q+p9L/Ll2tbtfn37zPXV1fmS9cvzhTK88MLK9PD06XlGJ4t9b3X2fMVS6Wl0b/Fyo18pVCu5Mura1cXSiuLlatzC1OzvVHoOeDxAJ07cfbOZ5mIWP/7QLLV9Dba5CocbtUX6t8BAKRPrtsTENA1lv4gvbzHB3b5it4t+ts1LD1S1J8LCxygbLc7AHTNhdM+/4O0sv4P6WX9H9Jr6zm+swFIo+6s/wPdZP0f0muo5f4/mZb7f/2q5d5dIxHx64j4NNfT17zXF3AYZL/INHL/wrE/Dm1v7c18nywK9EbE829eef3GVKWyPFqr/3qzvvJGvb63G90HOpbk71jj0S9yAEi1jQc3p5vbZuXxg4/75b/qFyHsjH+ksTbZn3xGObiR2XKtQmafrl1YvxURp3aLn2nc77z+ycfgRm5H/JONx0z9KZL+Hknum/4o8e+902n80y3x/9AS/8wj/1QgHe7U5p+R3fI/m+R0bObf1vlnaJ+uj24//2U3579cm/nvbIcxnn3rxXtt49+KOLNr/Ga8/iTW9vi1vl3oMP79p574Xbu26tv159ktflOtlK8sLOXLq2sX5xamZguzhcXRiUuTkxMj42OT+WSNOt9cqd7pH6c+vrvX+AfbxN9r/LW6P3c4/h9+/9GT5/aI/6fzu7/+J/eIPxARf+kw/jdjnz/drq0Wf6bN+LPb47cs8NXqxjuMX37tP30dHgoAPAbl1bX5qWKxsKygoKCwWej2zAQctIdJ3+2eAAAAAAAAAAAAAJ16HJcTd3uMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACHwU8BAAD//zAx0oQ=")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)

program did not crash
testing program (duration=32.153214769s, {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$ext4-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@noauto_da_alloc}, {@jqfmt_vfsold}, {@noquota}, {@norecovery}, {}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
unlink(&(0x7f00000003c0)='./file3\x00')

program did not crash
testing program (duration=32.153214769s, {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$incfs-unlink
detailed listing:
executing program 0:
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
unlink(&(0x7f00000003c0)='./file3\x00')

program did not crash
testing program (duration=32.153214769s, {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-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@noauto_da_alloc}, {@jqfmt_vfsold}, {@noquota}, {@norecovery}, {}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
mount$incfs(0x0, &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
unlink(&(0x7f00000003c0)='./file3\x00')

program did not crash
testing program (duration=32.153214769s, {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-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@noauto_da_alloc}, {@jqfmt_vfsold}, {@noquota}, {@norecovery}, {}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', 0x0, &(0x7f0000000040), 0x0, 0x0)
unlink(&(0x7f00000003c0)='./file3\x00')

program did not crash
testing program (duration=32.153214769s, {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-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@noauto_da_alloc}, {@jqfmt_vfsold}, {@noquota}, {@norecovery}, {}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0)
unlink(&(0x7f00000003c0)='./file3\x00')

program did not crash
testing program (duration=32.153214769s, {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-unlink
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f00000002c0)={[{@noauto_da_alloc}, {@jqfmt_vfsold}, {@noquota}, {@norecovery}, {}]}, 0x1, 0x4be, &(0x7f0000000540)="$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")
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
unlink(0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
simplifying C reproducer
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program did not crash
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
testing compiled C program (duration=32.153214769s, {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-unlink
program crashed: kernel BUG in may_delete
reproducing took 17m51.692317529s
repro crashed as (corrupted=false):
EXT4-fs (loop0): mounted filesystem without journal. Opts: noauto_da_alloc,jqfmt=vfsold,noquota,norecovery,bsddf,,errors=continue
ext4 filesystem being mounted at /file0 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-executor208 Not tainted 5.10.237-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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:ffffc90000967b38 EFLAGS: 00010293
RAX: ffffffff81a85d91 RBX: ffff88811b371ee0 RCX: ffff8881075d2780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000967bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff5200012cf4c R11: 1ffff9200012cf4c R12: ffff88811b031938
R13: 1ffff1102366e3dc R14: ffff88811b371ef8 R15: ffff88811b3719c0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056157a0fe6b0 CR3: 000000010d129000 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: 0033:0x7ff743c5cc09
Code: Unable to access opcode bytes at RIP 0x7ff743c5cbdf.
RSP: 002b:00007ffc9454ed78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff743c5cc09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007ff743cd92b0 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff743cd92b0
R13: 0000000000000000 R14: 00007ff743cda020 R15: 00007ff743c2b150
Modules linked in:
---[ end trace e78facf31c226e97 ]---
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:ffffc90000967b38 EFLAGS: 00010293
RAX: ffffffff81a85d91 RBX: ffff88811b371ee0 RCX: ffff8881075d2780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000967bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff5200012cf4c R11: 1ffff9200012cf4c R12: ffff88811b031938
R13: 1ffff1102366e3dc R14: ffff88811b371ef8 R15: ffff88811b3719c0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff743cd7130 CR3: 000000010ca20000 CR4: 00000000003506a0
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: noauto_da_alloc,jqfmt=vfsold,noquota,norecovery,bsddf,,errors=continue
ext4 filesystem being mounted at /file0 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-executor208 Not tainted 5.10.237-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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:ffffc90000967b38 EFLAGS: 00010293
RAX: ffffffff81a85d91 RBX: ffff88811b371ee0 RCX: ffff8881075d2780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000967bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff5200012cf4c R11: 1ffff9200012cf4c R12: ffff88811b031938
R13: 1ffff1102366e3dc R14: ffff88811b371ef8 R15: ffff88811b3719c0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056157a0fe6b0 CR3: 000000010d129000 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: 0033:0x7ff743c5cc09
Code: Unable to access opcode bytes at RIP 0x7ff743c5cbdf.
RSP: 002b:00007ffc9454ed78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff743c5cc09
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007ff743cd92b0 R08: ffffffffffffffb8 R09: 0000000000000006
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff743cd92b0
R13: 0000000000000000 R14: 00007ff743cda020 R15: 00007ff743c2b150
Modules linked in:
---[ end trace e78facf31c226e97 ]---
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:ffffc90000967b38 EFLAGS: 00010293
RAX: ffffffff81a85d91 RBX: ffff88811b371ee0 RCX: ffff8881075d2780
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000967bb8 R08: 0000000000000004 R09: 0000000000000003
R10: fffff5200012cf4c R11: 1ffff9200012cf4c R12: ffff88811b031938
R13: 1ffff1102366e3dc R14: ffff88811b371ef8 R15: ffff88811b3719c0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff743cd7130 CR3: 000000010ca20000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400