panic: kernel diagnostic assertion "pg->wire_count == 1" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/vfs_biomem.c", line 310 Starting stack trace... panic(ffffffff830e5084) at panic+0x1d0 sys/kern/subr_prf.c:229 __assert(ffffffff8309ccea,ffffffff8303d693,136,ffffffff83023223) at __assert+0x29 buf_free_pages(fffffd8054ea5118) at buf_free_pages+0x23d sys/kern/vfs_biomem.c:299 buf_dealloc_mem(fffffd8054ea5118) at buf_dealloc_mem+0x14e sys/kern/vfs_biomem.c:179 buf_put(fffffd8054ea5118) at buf_put+0x1dc sys/kern/vfs_bio.c:127 brelse(fffffd8054ea5118) at brelse+0x395 sys/kern/vfs_bio.c:944 vinvalbuf(fffffd8053f44970,2,ffffffffffffffff,ffff80002a0b3c20,0,ffffffffffffffff) at vinvalbuf+0x52c sys/kern/vfs_subr.c:2022 ffs_truncate(fffffd806d0fe780,0,0,ffffffffffffffff) at ffs_truncate+0xf6c ufs_inactive(ffff80002ad72258) at ufs_inactive+0x203 sys/ufs/ufs/ufs_inode.c:84 VOP_INACTIVE(fffffd8053f44970,ffff80002a0b3c20) at VOP_INACTIVE+0x107 sys/kern/vfs_vops.c:495 vrele(fffffd8053f44970) at vrele+0x129 sys/kern/vfs_subr.c:824 ktrwriteraw(ffff80002a0b3c20,fffffd8053f44970,fffffd807f7d3478,ffff80002ad724a8,ffff80002ad72480) at ktrwriteraw+0x382 ktrcleartrace sys/kern/kern_ktrace.c:86 [inline] ktrwriteraw(ffff80002a0b3c20,fffffd8053f44970,fffffd807f7d3478,ffff80002ad724a8,ffff80002ad72480) at ktrwriteraw+0x382 sys/kern/kern_ktrace.c:701 ktrpsig(ffff80002a0b3c20,9,0,0,0,ffff80002ad72570) at ktrpsig+0x1ac sys/kern/kern_ktrace.c:292 postsig(ffff80002a0b3c20,9,ffff80002ad72678) at postsig+0x3b3 sys/kern/kern_sig.c:1567 userret(ffff80002a0b3c20) at userret+0x21e sys/kern/kern_sig.c:2018 syscall(ffff80002ad727b0) at syscall+0x9a7 mi_syscall_return sys/sys/syscall_mi.h:206 [inline] syscall(ffff80002ad727b0) at syscall+0x9a7 sys/arch/amd64/amd64/trap.c:598 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76963e814d20, count: 240 End of stack trace.