Extracting prog: 1m16.444372568s
Minimizing prog: 5m22.402176312s
Simplifying prog options: 0s
Extracting C: 28.029593181s
Simplifying C: 9m15.584429363s


1 programs, timeouts [30s 1m40s 6m0s]
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-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000000280)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@init_itable}, {@stripe={'stripe', 0x3d, 0x79}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@errors_continue}]}, 0x10, 0x4d6, &(0x7f0000000880)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
open(&(0x7f0000000580)='./file2\x00', 0x14927e, 0x0)

program crashed: kernel BUG in may_delete
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=31.238246212s, {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$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000000280)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@init_itable}, {@stripe={'stripe', 0x3d, 0x79}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@errors_continue}]}, 0x10, 0x4d6, &(0x7f0000000880)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)

program did not crash
testing program (duration=31.238246212s, {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$ext4-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000000280)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@init_itable}, {@stripe={'stripe', 0x3d, 0x79}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@errors_continue}]}, 0x10, 0x4d6, &(0x7f0000000880)="$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")
open(&(0x7f0000000580)='./file2\x00', 0x14927e, 0x0)

program did not crash
testing program (duration=31.238246212s, {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$incfs-open
detailed listing:
executing program 0:
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
open(&(0x7f0000000580)='./file2\x00', 0x14927e, 0x0)

program did not crash
testing program (duration=31.238246212s, {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-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000000280)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@init_itable}, {@stripe={'stripe', 0x3d, 0x79}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@errors_continue}]}, 0x10, 0x4d6, &(0x7f0000000880)="$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")
mount$incfs(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
open(&(0x7f0000000580)='./file2\x00', 0x14927e, 0x0)

program did not crash
testing program (duration=31.238246212s, {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-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000000280)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@init_itable}, {@stripe={'stripe', 0x3d, 0x79}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@errors_continue}]}, 0x10, 0x4d6, &(0x7f0000000880)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', 0x0, &(0x7f0000000140), 0x0, 0x0)
open(&(0x7f0000000580)='./file2\x00', 0x14927e, 0x0)

program did not crash
testing program (duration=31.238246212s, {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-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000000280)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@init_itable}, {@stripe={'stripe', 0x3d, 0x79}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@errors_continue}]}, 0x10, 0x4d6, &(0x7f0000000880)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x0, 0x0)
open(&(0x7f0000000580)='./file2\x00', 0x14927e, 0x0)

program did not crash
testing program (duration=31.238246212s, {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-open
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x2000040, &(0x7f0000000280)={[{@errors_remount}, {@nodiscard}, {@noquota}, {@init_itable}, {@stripe={'stripe', 0x3d, 0x79}}, {@resgid}, {@sysvgroups}, {@delalloc}, {@errors_continue}]}, 0x10, 0x4d6, &(0x7f0000000880)="$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")
mount$incfs(&(0x7f0000000240)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000140), 0x0, 0x0)
open(0x0, 0x14927e, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=31.238246212s, {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-open
program crashed: kernel BUG in may_delete
simplifying C reproducer
testing compiled C program (duration=31.238246212s, {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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {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-open
program did not crash
testing compiled C program (duration=31.238246212s, {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-open
program did not crash
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
testing compiled C program (duration=31.238246212s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true 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-open
program crashed: kernel BUG in may_delete
reproducing took 16m22.460583175s
repro crashed as (corrupted=false):
EXT4-fs (loop0): mounted filesystem without journal. Opts: errors=remount-ro,nodiscard,noquota,init_itable,stripe=0x0000000000000079,resgid=0x0000000000000000,sysvgroups,delalloc,errors=continue,
ext4 filesystem being mounted at /file1 supports timestamps until 2038 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/namei.c:2786!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 301 Comm: syz-executor180 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:may_delete+0x755/0x760 fs/namei.c:2786
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 1c 32 f4 ff e9 ce fd ff ff e8 32 98 b6 ff 0f 0b e8 2b 98 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc90000b07ad8 EFLAGS: 00010293
RAX: ffffffff81b414b5 RBX: ffff88811d2c2e00 RCX: ffff8881207062c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07b58 R08: ffffffff81b40dd3 R09: 0000000000000003
R10: fffff52000160f40 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811d2c2440 R14: ffff88811017c290 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0bd4e19a38 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3f0 fs/namei.c:3833
 incfs_kill_sb+0x108/0x220 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 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+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0bd4dcd549
Code: Unable to access opcode bytes at RIP 0x7f0bd4dcd51f.
RSP: 002b:00007fff7abb7f08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0bd4dcd549
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f0bd4e4b370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0bd4e4b370
R13: 0000000000000000 R14: 00007f0bd4e4d140 R15: 00007f0bd4d9b660
Modules linked in:
---[ end trace 9dcefd4c406937a9 ]---
RIP: 0010:may_delete+0x755/0x760 fs/namei.c:2786
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 1c 32 f4 ff e9 ce fd ff ff e8 32 98 b6 ff 0f 0b e8 2b 98 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc90000b07ad8 EFLAGS: 00010293
RAX: ffffffff81b414b5 RBX: ffff88811d2c2e00 RCX: ffff8881207062c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07b58 R08: ffffffff81b40dd3 R09: 0000000000000003
R10: fffff52000160f40 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811d2c2440 R14: ffff88811017c290 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0bd4e19a38 CR3: 000000000660f000 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,init_itable,stripe=0x0000000000000079,resgid=0x0000000000000000,sysvgroups,delalloc,errors=continue,
ext4 filesystem being mounted at /file1 supports timestamps until 2038 (0x7fffffff)
------------[ cut here ]------------
kernel BUG at fs/namei.c:2786!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 301 Comm: syz-executor180 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:may_delete+0x755/0x760 fs/namei.c:2786
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 1c 32 f4 ff e9 ce fd ff ff e8 32 98 b6 ff 0f 0b e8 2b 98 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc90000b07ad8 EFLAGS: 00010293
RAX: ffffffff81b414b5 RBX: ffff88811d2c2e00 RCX: ffff8881207062c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07b58 R08: ffffffff81b40dd3 R09: 0000000000000003
R10: fffff52000160f40 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811d2c2440 R14: ffff88811017c290 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0bd4e19a38 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 vfs_rmdir+0x2c/0x3f0 fs/namei.c:3833
 incfs_kill_sb+0x108/0x220 fs/incfs/vfs.c:1973
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 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+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0bd4dcd549
Code: Unable to access opcode bytes at RIP 0x7f0bd4dcd51f.
RSP: 002b:00007fff7abb7f08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0bd4dcd549
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007f0bd4e4b370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0bd4e4b370
R13: 0000000000000000 R14: 00007f0bd4e4d140 R15: 00007f0bd4d9b660
Modules linked in:
---[ end trace 9dcefd4c406937a9 ]---
RIP: 0010:may_delete+0x755/0x760 fs/namei.c:2786
Code: 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c db fd ff ff 4c 89 ef e8 1c 32 f4 ff e9 ce fd ff ff e8 32 98 b6 ff 0f 0b e8 2b 98 b6 ff <0f> 0b 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8
RSP: 0018:ffffc90000b07ad8 EFLAGS: 00010293
RAX: ffffffff81b414b5 RBX: ffff88811d2c2e00 RCX: ffff8881207062c0
RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
RBP: ffffc90000b07b58 R08: ffffffff81b40dd3 R09: 0000000000000003
R10: fffff52000160f40 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88811d2c2440 R14: ffff88811017c290 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0bd4e19a38 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400