login: panic: malloc: allocation too large, type = 2, size = 1768304430 Starting stack trace... panic(ffffffff830378ce) at panic+0x1d0 sys/kern/subr_prf.c:229 malloc(69662f2e,2,2) at malloc+0xcf4 sys/kern/kern_malloc.c:330 bpf_allocbufs(ffff8000013e0c00) at bpf_allocbufs+0x85 sys/net/bpf.c:1667 bpf_setif(ffff8000013e0c00,ffff80003725b990) at bpf_setif+0x22a sys/net/bpf.c:1209 bpfioctl(41700,8020426c,ffff80003725b990,1,ffff8000371c3978) at bpfioctl+0xc42 sys/net/bpf.c:956 VOP_IOCTL(fffffd80615058c0,8020426c,ffff80003725b990,1,fffffd807f7d3068,ffff8000371c3978) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd805e948728,8020426c,ffff80003725b990,ffff8000371c3978) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000371c3978,ffff80003725bb70,ffff80003725bac0) at sys_ioctl+0x67c syscall(ffff80003725bb70) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003725bb70) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x24d71a19010, count: 247 End of stack trace. syncing disks...panic: kernel diagnostic assertion "rw_write_held(uobj->vmobjlock)" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_vnode.c", line 610 Starting stack trace... panic(ffffffff830efed7) at panic+0x1d0 sys/kern/subr_prf.c:229 __assert(ffffffff830a843c,ffffffff82fec835,262,ffffffff83028f70) at __assert+0x29 uvn_flush(fffffd806cf44b10,0,0,31) at uvn_flush+0xdfd sys/uvm/uvm_vnode.c:753 uvm_vnp_sync(ffff800000b66000) at uvm_vnp_sync+0x1e7 sys/uvm/uvm_vnode.c:1541 sys_sync(ffff8000371c3978,0,0) at sys_sync+0xd4 sys/kern/vfs_syscalls.c:536 vfs_syncwait(ffff8000371c3978,1) at vfs_syncwait+0x44 vfs_shutdown(ffff8000371c3978) at vfs_shutdown+0x97 sys/kern/vfs_subr.c:1793 boot(100) at boot+0x15c sys/arch/amd64/amd64/machdep.c:907 reboot(100) at reboot+0xb1 panic(ffffffff830378ce) at panic+0x1f9 sys/kern/subr_prf.c:231 malloc(69662f2e,2,2) at malloc+0xcf4 sys/kern/kern_malloc.c:330 bpf_allocbufs(ffff8000013e0c00) at bpf_allocbufs+0x85 sys/net/bpf.c:1667 bpf_setif(ffff8000013e0c00,ffff80003725b990) at bpf_setif+0x22a sys/net/bpf.c:1209 bpfioctl(41700,8020426c,ffff80003725b990,1,ffff8000371c3978) at bpfioctl+0xc42 sys/net/bpf.c:956 VOP_IOCTL(fffffd80615058c0,8020426c,ffff80003725b990,1,fffffd807f7d3068,ffff8000371c3978) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffffd805e948728,8020426c,ffff80003725b990,ffff8000371c3978) at vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 sys_ioctl(ffff8000371c3978,ffff80003725bb70,ffff80003725bac0) at sys_ioctl+0x67c syscall(ffff80003725bb70) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003725bb70) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x24d71a19010, count: 238 End of stack trace. dump to dev 4,1 not possible