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
21:36:30 executing program 2:
openat$proc_self_user(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/user\x00', 0x10, 0x1, 0x0)
openat$net_ipselftab(0xffffffffffffff9c, &(0x7f0000000040)='/net/ipselftab\x00', 0xf, 0x1, 0x0)
r0 = openat$dev_time(0xffffffffffffff9c, &(0x7f0000000080)='/dev/time\x00', 0xa, 0x3, 0x0)
r1 = openat$net_ipifc_1_snoop(0xffffffffffffff9c, &(0x7f00000000c0)='/net/ipifc/1/snoop\x00', 0x13, 0x1, 0x0)
mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x2000005, 0x10, 0xffffffffffffffff, 0x3)
openat$dev_killkid(0xffffffffffffff9c, &(0x7f0000000100)='/dev/killkid\x00', 0xd, 0x3, 0x0)
vmm_poke_guest(0x2)
openat$proc_self_ns(0xffffffffffffff9c, &(0x7f0000000140)='/proc/self/ns\x00', 0xe, 0x1, 0x0)
llseek(r1, 0x1f, 0x4981, &(0x7f0000000180), 0x1)
openat$net_tcp_2_local(0xffffffffffffff9c, &(0x7f00000001c0)='/net/tcp/2/local\x00', 0x11, 0x1, 0x0)
openat$proc_self_status(0xffffffffffffff9c, &(0x7f0000000200)='/proc/self/status\x00', 0x12, 0x1, 0x0)
openat$dev_stderr(0xffffffffffffff9c, &(0x7f0000000240)='/dev/stderr\x00', 0xc, 0x3, 0x0)
munmap(&(0x7f0000ffb000/0x3000)=nil, 0x3000)
r2 = proc_create(&(0x7f0000000280)='./file0\x00', 0x8, &(0x7f00000002c0)="f2215c00", 0x4, 0x6)
proc_run(r2)
openat$proc_self_wait(0xffffffffffffff9c, &(0x7f0000000300)='/proc/self/wait\x00', 0x10, 0x1, 0x0)
openat$net_ipselftab(0xffffffffffffff9c, &(0x7f0000000340)='/net/ipselftab\x00', 0xf, 0x1, 0x0)
openat$net_ipifc_0_remote(0xffffffffffffff9c, &(0x7f0000000380)='/net/ipifc/0/remote\x00', 0x14, 0x1, 0x0)
openat$net_ipifc_0_err(0xffffffffffffff9c, &(0x7f00000003c0)='/net/ipifc/0/err\x00', 0x11, 0x3, 0x0)
fcntl$F_SETFD(r1, 0x2, 0x1)
openat$dev_urandom(0xffffffffffffff9c, &(0x7f0000000400)='/dev/urandom\x00', 0xd, 0x1, 0x0)
openat$proc_self_proc(0xffffffffffffff9c, &(0x7f0000000440)='/proc/self/proc\x00', 0x10, 0x1, 0x0)
openat$dev_random(0xffffffffffffff9c, &(0x7f0000000480)='/dev/random\x00', 0xc, 0x1, 0x0)
proc_run(r2)
openat$net_tcp_0_data(0xffffffffffffff9c, &(0x7f00000004c0)='/net/tcp/0/data\x00', 0x10, 0x3, 0x0)
openat$net_arp(0xffffffffffffff9c, &(0x7f0000000500)='/net/arp\x00', 0x9, 0x3, 0x0)
read(r0, &(0x7f0000000540)=""/46, 0x2e)
openat$net_tcp_1_remote(0xffffffffffffff9c, &(0x7f0000000580)='/net/tcp/1/remote\x00', 0x12, 0x1, 0x0)
openat$proc_self_ns(0xffffffffffffff9c, &(0x7f00000005c0)='/proc/self/ns\x00', 0xe, 0x1, 0x0)
openat$dev_empty(0xffffffffffffff9c, &(0x7f0000000600)='/dev/.empty\x00', 0xc, 0x3, 0x0)