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(ffffffff830b234c) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff830679a2,ffffffff83073127,136,ffffffff82fef9b5) at __assert+0x29 buf_free_pages(fffffd80641a1118) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd80641a1118) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179 buf_put(fffffd80641a1118) at buf_put+0x1dc sys/kern/vfs_bio.c:127 brelse(fffffd80641a1118) at brelse+0x395 sys/kern/vfs_bio.c:944 vinvalbuf(fffffd8058dbc610,2,ffffffffffffffff,ffff80002a4b56f8,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2022 ffs_truncate(fffffd80622ee698,0,0,ffffffffffffffff) at ffs_truncate+0xf63 ufs_inactive(ffff8000374e6f08) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8058dbc610,ffff80002a4b56f8) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vrele(fffffd8058dbc610) at vrele+0x120 sys/kern/vfs_subr.c:824 ktrsettrace(ffff80002a465570,80000310,fffffd8073a02130,fffffd807f7d75b0) at ktrsettrace+0xe7 sys/kern/kern_ktrace.c:122 ktrops(ffff80002a4b56f8,ffff80002a465570,0,80000310,fffffd8073a02130,fffffd807f7d75b0) at ktrops+0x271 sys/kern/kern_ktrace.c:564 doktrace(fffffd8073a02130,4,310,0,ffff80002a4b56f8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8073a02130,4,310,0,ffff80002a4b56f8) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff80002a4b56f8,ffff8000374e7370,ffff8000374e72c0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff8000374e7370) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x53fec89b40, count: 240 End of stack trace.