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> > dashboard link: https://syzkaller.appspot.com/bug?extid=3D80011ad33eec3= 9e6ce42 > > compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6= 049-1~exp1~20250616065826.132), Debian LLD 20.1.7 > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D1124abd45= 80000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D1099df70580= 000 > > > > Downloadable assets: > > disk image: https://storage.googleapis.com/syzbot-assets/fd5569903143/d= isk-26ffb3d6.raw.xz > > vmlinux: https://storage.googleapis.com/syzbot-assets/1b0c9505c543/vmli= nux-26ffb3d6.xz > > kernel image: https://storage.googleapis.com/syzbot-assets/9d864c72bed1= /bzImage-26ffb3d6.xz > > > > IMPORTANT: if you fix the issue, please add the following tag to the co= mmit: > > Reported-by: syzbot+80011ad33eec39e6ce42@syzkaller.appspotmail.com > > > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > WARNING: lock held when returning to user space! > > 6.16.0-rc4-next-20250704-syzkaller #0 Not tainted > > ------------------------------------------------ > > syz.0.22/6068 is leaving the kernel with locks still held! > > 1 lock held by syz.0.22/6068: > > #0: ffff8880792a3588 (vm_lock){++++}-{0:0}, at: lock_next_vma+0x146/0x= dc0 mm/mmap_lock.c:220 >=20 > Hmm. I must be missing an unlock_vma() somewhere but I don't see it > yet. Will try the reproducer. The last one was against v5 patches, is this v6?