panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/main/kernel/sys/kern/vfs_biomem.c", line 310 Starting stack trace... panic(ffffffff830b2cf8) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff83067aec,ffffffff83077779,136,ffffffff82ff1e56) at __assert+0x29 buf_free_pages(fffffd806d04a7a8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd806d04a7a8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179 buf_put(fffffd806d04a7a8) at buf_put+0x1dc sys/kern/vfs_bio.c:127 brelse(fffffd806d04a7a8) at brelse+0x395 sys/kern/vfs_bio.c:944 vinvalbuf(fffffd80790707d8,2,ffffffffffffffff,ffff80002a4ee038,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2022 ffs_truncate(fffffd8057b7de18,0,0,ffffffffffffffff) at ffs_truncate+0xf63 ufs_inactive(ffff800035813768) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd80790707d8,ffff80002a4ee038) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vrele(fffffd80790707d8) at vrele+0x120 sys/kern/vfs_subr.c:824 ktrsettrace(ffff80002a464ce0,80000112,fffffd806c8ad390,fffffd807f7d7478) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 ktrops(ffff80002a4ee038,ffff80002a464ce0,0,80000112,fffffd806c8ad390,fffffd807f7d7478) at ktrops+0x271 sys/kern/kern_ktrace.c:564 doktrace(fffffd806c8ad390,4,112,0,ffff80002a4ee038) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd806c8ad390,4,112,0,ffff80002a4ee038) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a4ee038,ffff800035813bd0,ffff800035813b20) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff800035813bd0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1463cc35050, count: 240 End of stack trace.