kernel panic at kern/drivers/dev/mnt.c:1131, from core 1: rpc tags
Stack Backtrace on Core 1:
#01 [<0xffffffffc200aa6c>] in backtrace at src/kdebug.c:235
20:59:31 executing program 1:
r0 = openat$dev_random(0xffffffffffffff9c, &(0x7f0000000000), 0xc, 0x1, 0x0)
r1 = openat$net_tcp_0_local(0xffffffffffffff9c, &(0x7f0000000040), 0x11, 0x1, 0x0)
fcntl$F_GETFL(r1, 0x3)
r2 = openat$net_tcp_1_data(0xffffffffffffff9c, &(0x7f0000000080), 0x10, 0x3, 0x0)
openat(r2, &(0x7f00000000c0)='./file0\x00', 0x8, 0x10000, 0x80)
openat$net_log(0xffffffffffffff9c, &(0x7f0000000100), 0x9, 0x3, 0x0)
wstat(&(0x7f0000000140)='./file0\x00', 0x8, &(0x7f0000000180)=""/4096, 0x1000, 0x0)
tcgetattr(r0, &(0x7f0000001180))
stat(&(0x7f00000011c0)='./file0\x00', 0x8, &(0x7f0000001200))
fcntl$F_DUPFD(r0, 0x0, r2, 0x1)
r3 = openat$net_ipifc_0_ctl(0xffffffffffffff9c, &(0x7f0000001280), 0x11, 0x3, 0x0)
openat$net_icmpv6_stats(0xffffffffffffff9c, &(0x7f00000012c0), 0x12, 0x1, 0x0)
openat$proc_self_mem(0xffffffffffffff9c, &(0x7f0000001300), 0xf, 0x1, 0x0)
symlink(&(0x7f0000001340)='./file0\x00', 0x8, &(0x7f0000001380)='./file0\x00', 0x8)
nmount(r3, &(0x7f00000013c0)='./file0\x00', 0x8, 0x10)
llseek(r3, 0x4, 0x0, &(0x7f0000001400), 0x1)
openat$net_ipselftab(0xffffffffffffff9c, &(0x7f0000001440), 0xf, 0x1, 0x0)
openat$net_tcp_2_remote(0xffffffffffffff9c, &(0x7f0000001480), 0x12, 0x1, 0x0)
r4 = openat$net_tcp_1_ctl(0xffffffffffffff9c, &(0x7f00000014c0), 0xf, 0x3, 0x0)
tcgetattr(r4, &(0x7f0000001500))
20:59:31 executing program 2:
r0 = openat$dev_stderr(0xffffffffffffff9c, &(0x7f0000000000), 0xc, 0x3, 0x0)
fstat(r0, &(0x7f0000000040))
r1 = openat$net_ipifc_1_data(0xffffffffffffff9c, &(0x7f00000000c0), 0x12, 0x3, 0x0)
close(r1)
r2 = openat$net_ether0_0_stats(0xffffffffffffff9c, &(0x7f0000000100), 0x14, 0x1, 0x0)
write(r2, &(0x7f0000000140)="580aa8613483bc4c8046c63565952dbc4ee00058036ac5119c7bd741094ed72e7b0353d4115bfaa45f7bf72610ad1464b9de201534fc7e08e6ec36dc5988d521f56b694a070071376f77c2905bcb7fc8c6123c21d99b8d2206c3bc85810605d8d29812d27e15b692347b27f4685c19deab3e9e44b6ace1c92317c7d8de6827c8e4a1022b2e86cfe88023fe5bf06d3b8c50358022a3d8ef01c9a590477ea4a31bfdd84cc8556020fada09d6bcf1", 0xad)
mmap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x0, 0x10, r2, 0x2)
close(r2)
openat$net_tcp_2_data(0xffffffffffffff9c, &(0x7f0000000200), 0x10, 0x3, 0x0)
fcntl$F_SYNC(r0, 0x65)
close(r2)
openat$dev_swap(0xffffffffffffff9c, &(0x7f0000000240), 0xa, 0x3, 0x0)
r3 = openat$net_tcp_0_remote(0xffffffffffffff9c, &(0x7f0000000280), 0x12, 0x1, 0x0)
write(r3, &(0x7f00000002c0)="792d5e9f80eb02705a4399843043839da0a354341af90ab698ade0def8ec82dc53940fd453a7c7248349c40cde916c5c4a7e3564937c3251061c879f449b6dec800a77668de1b0e90788d67cf93e8873f647a02d9f22310c8c5da947eb3eef888f8e22fd7fb26d2b7a7c363479997cca409003e17a576937c9228d2ef2fee2631884d7c2e4a1e0e2a045909ff68b", 0x8e)
openat$net_tcp_1_local(0xffffffffffffff9c, &(0x7f0000000380), 0x11, 0x1, 0x0)
openat$prof_kptrace_ctl(0xffffffffffffff9c, &(0x7f00000003c0), 0x12, 0x3, 0x0)
close(0xffffffffffffffff)
openat$net_ether0_0_data(0xffffffffffffff9c, &(0x7f0000000400), 0x13, 0x3, 0x0)
openat$proc_self_ctl(0xffffffffffffff9c, &(0x7f0000000440), 0xf, 0x3, 0x0)
write(r1, &(0x7f0000000480)="9e3e92381c783ab6428170857ad3eee5cbea6399f3f718959ff855347f9c22a9cf96c5b63798180d7d2ca8c9575617bfad9db4a1fc1424d8fd96544d75803b7a29ec", 0x42)
#02 [<0xffffffffc200a205>] in _panic at src/init.c:275
#03 [<0xffffffffc207faca>] in mntralloc at drivers/dev/mnt.c:1131
#04 [<0xffffffffc207fb73>] in mntflushalloc at drivers/dev/mnt.c:1058
#05 [<0xffffffffc2080010>] in mountio at drivers/dev/mnt.c:854
#06 [<0xffffffffc2080105>] in mountrpc at drivers/dev/mnt.c:783
#07 [<0xffffffffc2080add>] in mntclunk at drivers/dev/mnt.c:612
#08 [<0xffffffffc2080b5e>] in mntclose at drivers/dev/mnt.c:655
#09 [<0xffffffffc20324b8>] in chan_release at src/ns/chan.c:144
#10 [<0xffffffffc2031d0b>] in kref_put at include/kref.h:70
#11 [<0xffffffffc20322db>] in cclose at src/ns/chan.c:304
#12 [<0xffffffffc203dc0c>] in close_fd.part.3 at src/ns/sysfile.c:1740
#13 [<     [inline]     >] in close_fd at src/ns/sysfile.c:1720
#13 [<     [inline]     >] in fdclose at src/ns/sysfile.c:149
#13 [<0xffffffffc20414d3>] in sysclose at src/ns/sysfile.c:226
#14 [<0xffffffffc2056ccb>] in sys_close at src/syscall.c:1834
#15 [<0xffffffffc205a249>] in syscall at src/syscall.c:2582
#16 [<0xffffffffc205add8>] in run_local_syscall at src/syscall.c:2619
#17 [<0xffffffffc205b319>] in prep_syscalls at src/syscall.c:2639
#18 [<0xffffffffc20b7a92>] in sysenter_callwrapper at arch/x86/trap.c:932