bash-4.3$ kernel panic at kern/src/ns/qio.c:1356, from core 3: assertion failed: BLEN(b) <= len - sofar Stack Backtrace on Core 3: #01 [<0xffffffffc200a3e7>] in backtrace at src/kdebug.c:219 #02 [<0xffffffffc2009bb2>] in _panic at src/init.c:273 #03 [<0xffffffffc203a24b>] in read_all_blocks at src/ns/qio.c:1356 #04 [<0xffffffffc203c964>] in qread at src/ns/qio.c:1439 #05 [<0xffffffffc2014b2b>] in ipread at src/net/devip.c:872 #06 [<0xffffffffc203f8a3>] in rread at src/ns/sysfile.c:763 #07 [<0xffffffffc203fa4b>] in sysread at src/ns/sysfile.c:821 #08 [<0xffffffffc2055f11>] in sys_read at src/syscall.c:1779 #09 [<0xffffffffc20593c9>] in syscall at src/syscall.c:2528 #10 [<0xffffffffc2059584>] in run_local_syscall at src/syscall.c:2563 #11 [<0xffffffffc2059ab9>] in prep_syscalls at src/syscall.c:2583 #12 [<0xffffffffc20ab29a>] in sysenter_callwrapper at arch/x86/trap.c:851 15:38:23 executing program 0: r0 = openat$dev_drivers(0xffffffffffffff9c, &(0x7f0000000000)='/dev/drivers\x00', 0xd, 0x1, 0x0) vmm_poke_guest(0x7) vmm_ctl$VMM_CTL_SET_EXITS(0x2, 0x1) r1 = openat$net_tcp_2_local(0xffffffffffffff9c, &(0x7f0000000040)='/net/tcp/2/local\x00', 0x11, 0x1, 0x0) openat$net_udp_0_err(0xffffffffffffff9c, &(0x7f0000000080)='/net/udp/0/err\x00', 0xf, 0x3, 0x0) openat$net_tcp_1_remote(0xffffffffffffff9c, &(0x7f00000000c0)='/net/tcp/1/remote\x00', 0x12, 0x1, 0x0) openat$net_tcp_2_status(0xffffffffffffff9c, &(0x7f0000000100)='/net/tcp/2/status\x00', 0x12, 0x1, 0x0) openat$proc_self_profile(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/profile\x00', 0x13, 0x1, 0x0) read(r1, &(0x7f0000000180)=""/117, 0x75) rename(&(0x7f0000000200)='./file0\x00', 0x8, &(0x7f0000000240)='./file0\x00', 0x8) openat$proc_self_maps(0xffffffffffffff9c, &(0x7f0000000280)='/proc/self/maps\x00', 0x10, 0x1, 0x0) openat$net_tcp_0_status(0xffffffffffffff9c, &(0x7f00000002c0)='/net/tcp/0/status\x00', 0x12, 0x1, 0x0) r2 = openat$net_tcp_0_data(0xffffffffffffff9c, &(0x7f0000000300)='/net/tcp/0/data\x00', 0x10, 0x3, 0x0) abort_sysc_fd(r0) openat$dev_drivers(0xffffffffffffff9c, &(0x7f0000000340)='/dev/drivers\x00', 0xd, 0x1, 0x0) openat$proc_self_proc(0xffffffffffffff9c, &(0x7f0000000380)='/proc/self/proc\x00', 0x10, 0x1, 0x0) openat$net_ipifc_1_snoop(0xffffffffffffff9c, &(0x7f00000003c0)='/net/ipifc/1/snoop\x00', 0x13, 0x1, 0x0) fchdir(0xffffffffffffffff, r2) openat$proc_self_mem(0xffffffffffffff9c, &(0x7f0000000400)='/proc/self/mem\x00', 0xf, 0x1, 0x0) openat$dev_cputime(0xffffffffffffff9c, &(0x7f0000000440)='/dev/cputime\x00', 0xd, 0x1, 0x0) openat$proc_self_note(0xffffffffffffff9c, &(0x7f0000000480)='/proc/self/note\x00', 0x10, 0x1, 0x0) openat$net_ipifc_0_local(0xffffffffffffff9c, &(0x7f00000004c0)='/net/ipifc/0/local\x00', 0x13, 0x1, 0x0) openat$net_tcp_0_local(0xffffffffffffff9c, &(0x7f0000000500)='/net/tcp/0/local\x00', 0x11, 0x1, 0x0) vmm_poke_guest(0x7) openat$net_tcp_2_local(0xffffffffffffff9c, &(0x7f0000000540)='/net/tcp/2/local\x00', 0x11, 0x1, 0x0) r3 = openat$net_ipifc_0_snoop(0xffffffffffffff9c, &(0x7f0000000580)='/net/ipifc/0/snoop\x00', 0x13, 0x1, 0x0) read(r3, &(0x7f00000005c0)=""/209, 0xd1) openat$dev_kmesg(0xffffffffffffff9c, &(0x7f00000006c0)='/dev/kmesg\x00', 0xb, 0x1, 0x0) openat$proc_self_note(0xffffffffffffff9c, &(0x7f0000000700)='/proc/self/note\x00', 0x10, 0x1, 0x0) openat$net_udp_0_status(0xffffffffffffff9c, &(0x7f0000000740)='/net/udp/0/status\x00', 0x12, 0x1, 0x0)