panic: ffs_valloc: dup alloc
Stopped at db_enter+0x25: addq $0x8,%rsp
TID PID UID PRFLAGS PFLAGS CPU COMMAND
*439857 30865 0 0 0x4000000 0 syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8340c135) at panic+0x1cf sys/kern/subr_prf.c:198
ffs_inode_alloc(fffffd806cd6b7c8,8008,fffffd807f7d74e0,ffff80003c9c0d70) at ffs_inode_alloc+0x96c sys/ufs/ffs/ffs_alloc.c:404
ufs_makeinode(8008,fffffd800981b7a8,ffff80003c9c10a8,ffff80003c9c10d8) at ufs_makeinode+0xcb sys/ufs/ufs/ufs_vnops.c:1732
ufs_create(ffff80003c9c0e20) at ufs_create+0x4e sys/ufs/ufs/ufs_vnops.c:147
VOP_CREATE(fffffd800981b7a8,ffff80003c9c10a8,ffff80003c9c10d8,ffff80003c9c0ea8) at VOP_CREATE+0xff sys/kern/vfs_vops.c:103
vn_open(ffff80003c9c1078,78f,8) at vn_open+0x491 sys/kern/vfs_vnops.c:116
doopenat(ffff80002a7e0010,ffffff9c,400000000140,78e,8,ffff80003c9c1220) at doopenat+0x31d sys/kern/vfs_syscalls.c:1139
syscall(ffff80003c9c12d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x5d01e769710, count: 5
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