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(ffffffff830afb12) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff83067464,ffffffff83077cc6,136,ffffffff82ff26ea) at __assert+0x29 buf_free_pages(fffffd807b7fe7e8) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd807b7fe7e8) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179 buf_put(fffffd807b7fe7e8) at buf_put+0x1dc sys/kern/vfs_bio.c:127 brelse(fffffd807b7fe7e8) at brelse+0x395 sys/kern/vfs_bio.c:944 vinvalbuf(fffffd806c8f13a8,2,ffffffffffffffff,ffff8000376b2a50,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2022 ffs_truncate(fffffd806701d878,0,0,ffffffffffffffff) at ffs_truncate+0xf63 ufs_inactive(ffff8000319d3298) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd806c8f13a8,ffff8000376b2a50) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vrele(fffffd806c8f13a8) at vrele+0x120 sys/kern/vfs_subr.c:824 ktrsettrace(ffff80002a465e00,80001b08,fffffd80796cc8b0,fffffd807f7d7478) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 ktrops(ffff8000376b2a50,ffff80002a465e00,0,80001b08,fffffd80796cc8b0,fffffd807f7d7478) at ktrops+0x271 sys/kern/kern_ktrace.c:564 doktrace(fffffd80796cc8b0,4,1b08,0,ffff8000376b2a50) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd80796cc8b0,4,1b08,0,ffff8000376b2a50) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff8000376b2a50,ffff8000319d3700,ffff8000319d3650) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000319d3700) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x980c40dbab0, count: 240 End of stack trace.