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(ffffffff830b56e5) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff83067daa,ffffffff830780ce,136,ffffffff82ff3351) at __assert+0x29 buf_free_pages(fffffd8059731b00) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd8059731b00) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179 buf_put(fffffd8059731b00) at buf_put+0x1dc sys/kern/vfs_bio.c:127 brelse(fffffd8059731b00) at brelse+0x395 sys/kern/vfs_bio.c:944 vinvalbuf(fffffd807a882210,2,ffffffffffffffff,ffff80002a4d0a40,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2022 ffs_truncate(fffffd8068ef62e0,0,0,ffffffffffffffff) at ffs_truncate+0xf63 ufs_inactive(ffff80003406d588) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd807a882210,ffff80002a4d0a40) at VOP_INACTIVE+0xfe sys/kern/vfs_vops.c:495 vrele(fffffd807a882210) at vrele+0x120 sys/kern/vfs_subr.c:824 ktrwriteraw(ffff80002a4d0a40,fffffd807a882210,fffffd807f7d7888,ffff80003406d7c0,ffff80003406d7a0) at ktrwriteraw+0x352 ktrcleartrace sys/kern/kern_ktrace.c:86 [inline] ktrwriteraw(ffff80002a4d0a40,fffffd807a882210,fffffd807f7d7888,ffff80003406d7c0,ffff80003406d7a0) at ktrwriteraw+0x352 sys/kern/kern_ktrace.c:701 ktrpsig(ffff80002a4d0a40,9,0,0,0,ffff80003406d890) at ktrpsig+0x1b2 sys/kern/kern_ktrace.c:292 postsig(ffff80002a4d0a40,9,ffff80003406d998) at postsig+0x3b2 sys/kern/kern_sig.c:1567 userret(ffff80002a4d0a40) at userret+0x1fe sys/kern/kern_sig.c:2018 syscall(ffff80003406dad0) at syscall+0xa72 mi_syscall_return sys/sys/syscall_mi.h:206 [inline] syscall(ffff80003406dad0) at syscall+0xa72 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7371866f1290, count: 240 End of stack trace.