panic: kernel diagnostic assertion "flags & (PR_WAITOK | PR_NOWAIT)" failed: file "/syzkaller/managers/main/kernel/sys/kern/subr_pool.c", line 572 Starting stack trace... panic(ffffffff83377691) at panic+0x1ba sys/kern/subr_prf.c:229 __assert(ffffffff833ba2c6,ffffffff8340bc2c,23c,ffffffff83333d30) at __assert+0x29 sys/kern/subr_prf.c:-1 pool_get(ffffffff839b7c70,c) at pool_get+0x4fc sys/kern/subr_pool.c:574 pfr_create_ktable(ffff80003c9694d4,69898ebc,1,0) at pfr_create_ktable+0x4f sys/net/pf_table.c:-1 pfr_attach_table(ffffffff838e2fa8,fffffd806b972d08,0) at pfr_attach_table+0x20d sys/net/pf_table.c:-1 pf_sourcelim_add(ffff80000159f500) at pf_sourcelim_add+0x6f9 sys/net/pf_ioctl.c:1562 pfioctl(14900,80d04466,ffff80000159f500,2,ffff80003a91dca8) at pfioctl+0x1007 sys/net/pf_ioctl.c:2295 VOP_IOCTL(fffffd806c528138,80d04466,ffff80000159f500,2,fffffd8007bfd548,ffff80003a91dca8) at VOP_IOCTL+0xa3 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80769eff10,80d04466,ffff80000159f500,ffff80003a91dca8) at vn_ioctl+0xea sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80003a91dca8,ffff80003c969ec0,ffff80003c969e10) at sys_ioctl+0x660 sys/kern/sys_generic.c:-1 syscall(ffff80003c969ec0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c969ec0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9fd4dfce150, count: 245 End of stack trace.