2018/07/16 16:13:37 fuzzer started
2018/07/16 16:13:37 dialing manager at 127.0.0.1:37389
2018/07/16 16:13:37 syscalls: 69
2018/07/16 16:13:37 code coverage: support is not implemented in syzkaller
2018/07/16 16:13:37 comparison tracing: support is not implemented in syzkaller
2018/07/16 16:13:37 setuid sandbox: support is not implemented in syzkaller
2018/07/16 16:13:37 namespace sandbox: support is not implemented in syzkaller
2018/07/16 16:13:37 fault injection: support is not implemented in syzkaller
2018/07/16 16:13:37 leak checking: support is not implemented in syzkaller
2018/07/16 16:13:37 net packed injection: support is not implemented in syzkaller
2018/07/16 16:13:37 net device setup: support is not implemented in syzkaller
16:13:37 executing program 0:
r0 = proc_create(&(0x7f0000000000)='./file0\x00', 0x8, &(0x7f0000000040)='\x00', 0x1, 0x1)
proc_destroy(r0, 0xfffffffffffff001)
r1 = openat(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x8, 0x1, 0x6)
nmount(r1, &(0x7f00000000c0)='./file0\x00', 0x8, 0x0)
nbind(&(0x7f0000000100)='./file0\x00', 0x8, &(0x7f0000000140)='./file0\x00', 0x8, 0x11)
getcwd(&(0x7f0000000180)=""/197, 0xc5)
symlink(&(0x7f0000000280)='./file0\x00', 0x8, &(0x7f00000002c0)='./file0\x00', 0x8)
access(&(0x7f0000000300)='./file0\x00', 0x8, 0x0)
nmount(r1, &(0x7f0000000340)='./file0\x00', 0x8, 0x10)
readlink(&(0x7f0000000380)='./file0\x00', 0x8, &(0x7f00000003c0)=""/49, 0x31)
waitpid(r0, &(0x7f0000000400), 0x0)
vmm_ctl$VMM_CTL_SET_EXITS(0x2, 0x1)
send_event(&(0x7f00000004c0)={&(0x7f0000000440)="ff4f033bc38aed76b490e02d4b3fd25ddd01ae4641277676bb1631af4b8d22a4d989526a96dd87e2d44e06ec32198337b39587605a03651bb20029535c591273b6a1bf8e98fee4f13335d5d720df20ae", 0x5, 0x0, 0xffffffffffffffff, 0x100, 0x101}, &(0x7f0000000580)={0xc, 0x6, 0x0, &(0x7f0000000500)="f943043f6a5c819b1113efdbe0aaa09d0368902632304fd23bf57e3625a6486e20d873678b9a24dc93e2d668192c7b4442743fab472583b79ce7104d4ea11310abca2e033fced0ae"}, 0x401)
mkdir(&(0x7f00000005c0)='./file0\x00', 0x8, 0x30)
lstat(&(0x7f0000000600)='./file0\x00', 0x8, &(0x7f0000000640))
read(r1, &(0x7f00000006c0)=""/53, 0x35)
waitpid(r0, &(0x7f0000000700), 0x2)
r2 = openat(r1, &(0x7f0000000740)='./file0\x00', 0x8, 0x8400, 0x6)
nmount(r1, &(0x7f0000000780)='./file0/file0\x00', 0xe, 0x3)
readlink(&(0x7f00000007c0)='./file0\x00', 0x8, &(0x7f0000000800)=""/247, 0xf7)
write(r1, &(0x7f0000000900)="2a7814dfc0d02727a6153090e1c8751a78fc7f075a27ab53485021cf410b64f0519d241ea798efccd71c784a63000350a47cf99c0224087babd509430d67db91935a5cf1c4dd32db0c7fdb241653dab5e4a7fe39e26bd4114edeef83c2930a4cd14812bd060442df47abc561b99b7103de95da45156be8480da8a6c14321006f829002c8b1cf6979581fa39c46e04067bb59b357e4e0b8c0cd033ddc720313ff4990b1a0100191cce5e250bae827bf9ac83d95109fa1fb0723397e0a1c3a81a7955c774b2dd6098e1c099b143f7849e81c2b269ff2535101a9f398716a0d1f11686632f6659872ad59a7fe3fbf772f", 0xef)
poke_ksched(r0, 0x0)
close(r2)
proc_create(&(0x7f0000000a00)='./file0\x00', 0x8, &(0x7f0000000a40)='\x00', 0x1, 0x1)
rename(&(0x7f0000000a80)='./file0/file0\x00', 0xe, &(0x7f0000000ac0)='./file0\x00', 0x8)
getpcoreid()
vmm_ctl$VMM_CTL_SET_FLAGS(0x4, 0x4)
nbind(&(0x7f0000000b00)='./file0/file0\x00', 0xe, &(0x7f0000000b40)='./file0/file0\x00', 0xe, 0x4)
r3 = openat(r2, &(0x7f0000000b80)='./file0\x00', 0x8, 0x0, 0x10)
nmount(r3, &(0x7f0000000bc0)='./file0\x00', 0x8, 0x0)

16:13:37 executing program 2:
vmm_ctl$VMM_CTL_SET_EXITS(0x2, 0x1)
vmm_ctl$VMM_CTL_SET_EXITS(0x2, 0x1)
pop_ctx(&(0x7f0000000000)="0dbf291d824352aa022161effe3c0592b528abc8508ab21f1ace9dc7a25a01856045c0eb84fb7a716dde4e580b6ed59199b46d67641be313bbf9dd97ac91ef4df8746d70ce2a2afc18eae74a063e7beaebb2628af46fb736eca7d606065ff3d69f078b95dd11783ba7dac660c22aacffa2db3705840c142cbd32ce0e2183fed0dec49908b513140bb2405950e54bfbb2c5163e19a58e48621a439b56aa18b0f1d69c11f62f3d8dd6a15a322332d83daa265e15803b3216ab91bbc0297070f3dc83c03ca1ed269545fda307e90266c68d9c3d1b0824ece512")
r0 = proc_create(&(0x7f0000000100)='./file0\x00', 0x8, &(0x7f0000000140)='}\x00', 0x2, 0x1)
lstat(&(0x7f0000000180)='./file0\x00', 0x8, &(0x7f00000001c0))
lstat(&(0x7f0000000240)='./file0\x00', 0x8, &(0x7f0000000280))
readlink(&(0x7f0000000300)='./file0\x00', 0x8, &(0x7f0000000340)=""/244, 0xf4)
proc_run(r0)
nunmount(&(0x7f0000000440)='./file0\x00', 0x8, &(0x7f0000000480)='./file0\x00', 0x8)
unlink(&(0x7f00000004c0)='./file0\x00', 0x8)
poke_ksched(0x0, 0x0)
rename(&(0x7f0000000500)='./file0\x00', 0x8, &(0x7f0000000540)='./file0\x00', 0x8)
unlink(&(0x7f0000000580)='./file0\x00', 0x8)
proc_create(&(0x7f00000005c0)='./file0\x00', 0x8, &(0x7f0000000600)='}\x00', 0x2, 0x0)
lstat(&(0x7f0000000640)='./file0\x00', 0x8, &(0x7f0000000680))
r1 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./file1\x00', 0x8, 0x8000, 0x4)
vmm_poke_guest(0x7f)
symlink(&(0x7f0000000740)='./file1\x00', 0x8, &(0x7f0000000780)='./file1\x00', 0x8)
change_vcore(0x6, 0x1)
nmount(r1, &(0x7f00000007c0)='./file0\x00', 0x8, 0x2)
openat(r1, &(0x7f0000000800)='./file1\x00', 0x8, 0x0, 0xe2)
getpcoreid()
link(&(0x7f0000000840)='./file1\x00', 0x8, &(0x7f0000000880)='./file1\x00', 0x8)
r2 = proc_create(&(0x7f00000008c0)='./file0\x00', 0x8, &(0x7f0000000900)='\x00', 0x1, 0x0)
lstat(&(0x7f0000000940)='./file1\x00', 0x8, &(0x7f0000000980))
cache_invalidate()
unlink(&(0x7f0000000a00)='./file1\x00', 0x8)
proc_yield(0x0)
exec(&(0x7f0000000a40)='./file0\x00', 0x8, &(0x7f0000000a80)='}\x00', 0x2)
chdir(r2, &(0x7f0000000ac0)='./file0\x00', 0x8)

16:13:37 executing program 3:
access(&(0x7f0000000000)='./file0\x00', 0x8, 0x2)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x8, 0x1, 0x54)
r1 = proc_create(&(0x7f0000000080)='./file0\x00', 0x8, &(0x7f00000000c0)='\x00', 0x1, 0x0)
fchdir(r1, r0)
read(r0, &(0x7f0000000100)=""/76, 0x4c)
lstat(&(0x7f0000000180)='./file0\x00', 0x8, &(0x7f00000001c0))
symlink(&(0x7f0000000240)='./file0\x00', 0x8, &(0x7f0000000280)='./file0\x00', 0x8)
lstat(&(0x7f00000002c0)='./file0\x00', 0x8, &(0x7f0000000300))
rename(&(0x7f0000000380)='./file0\x00', 0x8, &(0x7f00000003c0)='./file0\x00', 0x8)
dup_fds_to(0xffffffffffffffff, &(0x7f0000000400)=[{r0}, {r0}, {r0}, {r0}, {r0}, {r0}, {r0}], 0x7)
readlink(&(0x7f0000000480)='./file0\x00', 0x8, &(0x7f00000004c0)=""/4096, 0x1000)
abort_sysc_fd(r0)
r2 = fcntl$F_DUPFD(r0, 0x0, r0, 0x0)
abort_sysc_fd(r2)
write(r2, &(0x7f00000014c0)="276e52325e52f9045d8157b1d16834192259c293602386328358e35348c1e22103fa0c8169c6bb43e43f677ac46fdaf30119c3263f92521011101bea94a67c64e90cc0a20a2c8e4b61d37939148c3363", 0x50)
openat(r0, &(0x7f0000001540)='./file0\x00', 0x8, 0x200, 0x8)
r3 = openat(r2, &(0x7f0000001580)='./file0\x00', 0x8, 0x800, 0x4)
abort_sysc_fd(r3)
openat(r2, &(0x7f00000015c0)='./file0\x00', 0x8, 0x482, 0x0)
llseek(r2, 0xf060, 0x8d4, &(0x7f0000001600), 0x1)
fchdir(r1, r3)
fstat(r0, &(0x7f0000001640))
unlink(&(0x7f00000016c0)='./file0/file0\x00', 0xe)
unlink(&(0x7f0000001700)='./file1\x00', 0x8)
symlink(&(0x7f0000001740)='./file0\x00', 0x8, &(0x7f0000001780)='./file0\x00', 0x8)
stat(&(0x7f00000017c0)='./file0/file0\x00', 0xe, &(0x7f0000001800))
fcntl$F_GETFL(r3, 0x3)
fcntl$F_SYNC(r3, 0x65)
access(&(0x7f0000001880)='./file1\x00', 0x8, 0x30)
mkdir(&(0x7f00000018c0)='./file0/file0\x00', 0xe, 0x100)

16:13:37 executing program 1:
r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x8, 0x0, 0x1)
r1 = openat(r0, &(0x7f0000000040)='./file0\x00', 0x8, 0x8000, 0xe)
r2 = openat(r0, &(0x7f0000000080)='./file0\x00', 0x8, 0x800, 0x10)
symlink(&(0x7f00000000c0)='./file0\x00', 0x8, &(0x7f0000000100)='./file0\x00', 0x8)
r3 = openat(r2, &(0x7f0000000140)='./file0\x00', 0x8, 0x3, 0x10f)
r4 = proc_create(&(0x7f0000000180)='./file1\x00', 0x8, &(0x7f00000001c0)='\x00', 0x1, 0x0)
chdir(r4, &(0x7f0000000200)='./file0\x00', 0x8)
proc_yield(0x1)
llseek(r1, 0x10001, 0xfffffffffffffff9, &(0x7f0000000240), 0x1)
chdir(r4, &(0x7f0000000280)='./file1\x00', 0x8)
llseek(r0, 0x100000001, 0xe2, &(0x7f00000002c0), 0x0)
fd2path(r2, &(0x7f0000000300)=""/209, 0xd1)
vmm_ctl$VMM_CTL_GET_FLAGS(0x3)
wstat(&(0x7f0000000400)='./file0\x00', 0x8, &(0x7f0000000440)=""/243, 0xf3, 0x0)
nmount(r1, &(0x7f0000000540)='./file0\x00', 0x8, 0x11)
r5 = fcntl$F_DUPFD(r1, 0x0, r1, 0x0)
fstat(r5, &(0x7f0000000580))
fcntl$F_SYNC(r2, 0x65)
nmount(r1, &(0x7f0000000600)='./file1\x00', 0x8, 0x6)
link(&(0x7f0000000640)='./file1\x00', 0x8, &(0x7f0000000680)='./file0\x00', 0x8)
r6 = fcntl$F_DUPFD(r3, 0x0, r3, 0x0)
r7 = openat(0xffffffffffffffff, &(0x7f00000006c0)='./file0\x00', 0x8, 0x0, 0x80)
nbind(&(0x7f0000000700)='./file1\x00', 0x8, &(0x7f0000000740)='./file0\x00', 0x8, 0x10)
notify(r4, 0xa, &(0x7f0000000840)={0x19, 0xfffffffffffffffb, 0x5e, &(0x7f0000000780)="259cf20329fc2586ebd1db44854fcd544771133162ba1ece308b92d4fa882c9385aec4cda9892e233f43e1a8ae3e9f34b7e4ac5064e3b32a9c1506f7c2682828f32b5b92ce22687daeb2b8ec4bf9d3032eb8223a45e3120c0c4710b6dfd7f406b0fcf85f9874072ebea42ccabef781c8d017c70eae94738cb3399f5c5ab85e7f93c57f996a94c12b63291cfa7dd001aa534cf36aa9becbf82d3ca1f89b061a701f16ed66c7976eb447722e5e65f88c2a0d8762d9f05ba7da2afc", 0x40})
tap_fds(&(0x7f0000000c40)=[{r1, 0x2, 0x42, 0x7f, &(0x7f0000000900)={&(0x7f0000000880)="9721432f01bc82796bff6c4e5fe3bbb11424113f9a886aa36e04887541f86acec670a1bdd1d27c701b2e74113415810cddf20fef50faa2e51777259ded66efa42409e887128648c7e566bc360bcc91c1", 0xfffffffffffff000, 0x0, 0x10001, 0x1ff, 0x3}}, {r7, 0x3, 0x381, 0xb, &(0x7f00000009c0)={&(0x7f0000000940)="8cb7c7bd0d4310cce6106c585f15acafb8af062af0ea793c03a383bab7c26a2fb6e288fbd93e966cc6ee5455dc373a6e0502f29bae9abfcecf20eaaf93b108b1bf9ffdfe504df378cb95012bc509aab0", 0x0, 0x0, 0x6, 0x4, 0x49}}, {r1, 0x1, 0x200, 0x7, &(0x7f0000000a80)={&(0x7f0000000a00)="1ae9b6a6fcc60ed2978d02bf3ecf82ba38a14e66a4f7aa3820b13eba5a5590fc4c91910de2cb28fefd2f93703d96e08074231ed9e26a930bf8f2c080d7a5f23c0940cb2f8854c597e512d919cdb1bcb0", 0x80, 0x1, 0x3, 0xfffffffffffffff9, 0x9}}, {r2, 0x0, 0x40, 0xe21c, &(0x7f0000000b40)={&(0x7f0000000ac0)="86e23ebf312f8d84d45e66d9db224cb3d5f658a7d8a1ac4cd428dbee70fd2e9a179cff2d5a9ed9423d5dcbf79a73a76043e66462660009636ec7354b3e224a9762035a4d9fa06296f92e4d2d7dbc274b", 0x50a, 0x0, 0x10000, 0x7f, 0x2}}, {r7, 0x0, 0x42, 0x8001, &(0x7f0000000c00)={&(0x7f0000000b80)="cd1ee7ae37df7832b89c590a8cf16c7d12d2a17a960f7ceadaf62ae88d4db265ddef5e3ffdc5a840c82b2021edffb19403c06b48c3b5290ab7f54a2ef2885a9e20b96d473ba59bca62e7a2aadf533151", 0x80, 0x1, 0x8, 0x2, 0x8}}], 0x5)
rename(&(0x7f0000000d00)='./file1\x00', 0x8, &(0x7f0000000d40)='./file0\x00', 0x8)
halt_core(0x8)
mkdir(&(0x7f0000000d80)='./file1\x00', 0x8, 0xc1)
nunmount(&(0x7f0000000dc0)='./file0\x00', 0x8, &(0x7f0000000e00)='./file1\x00', 0x8)
tap_fds(&(0x7f00000012c0)=[{0xffffffffffffffff, 0x1, 0x400, 0x1, &(0x7f0000000ec0)={&(0x7f0000000e40)="7e6b2d206992b3915fe6ba02bf32e25849f41d5733199871befb80ef80bd692a03777c42d467f47fcb178ebb90562ddf10adfd694f240acfe07454aba74cc8e126f47bd737937caa656349611716f130", 0x2, 0x1, 0x3, 0x3, 0x9}}, {r2, 0x3, 0x402, 0x5, &(0x7f0000000f80)={&(0x7f0000000f00)="673619d85c12562ca683a92b55af79e82a431d6059e3b491a2f809f06c9ef4aae7d9aebc1006015483aef59eb5ffab2547aeb294141cd9287437ee40da98b88a02dfd3ebf93de7f7288a58eea7b97943", 0x81, 0x0, 0x0, 0x1, 0x1}}, {r6, 0x2, 0x19, 0x8, &(0x7f0000001040)={&(0x7f0000000fc0)="f9e60dcd4c49f6491e265351b9277e15c7ae10f018c0689532c6d2a814449c471978d0b73db68be1f7ffbb8c4735ce8d86fd8a08f1ed70acd916a539518196dafa8d14dde317386c9e42dd8aee248371", 0x80000001, 0x0, 0x8, 0x80, 0x9}}, {r1, 0x3, 0x1, 0x51, &(0x7f0000001100)={&(0x7f0000001080)="b5dc077aaa0a4177cda27849f583b43611b8fae5f34124dbe5f9c8852e86e043069a21c07423e532c1c57447d9a7a88a7438739ffb4386f2b27edec19301bc7761f54e85fc8d88eae9f710236ecdb90c", 0x9, 0x0, 0x7f, 0x80000000, 0x1}}, {r6, 0x3, 0x400, 0x2, &(0x7f00000011c0)={&(0x7f0000001140)="4e285264aff7b2a0e9bba126b938174d2851f38060a4c661ff9e75bb933a377ec83d2ba15ff5541f3887fd8f6f6491b38f088cf53b854c6cc99dbf237b1e1e26683cc1f8c593a7e75764fce1c15aa543", 0x81, 0x0, 0x3, 0x5, 0x3}}, {r6, 0x3, 0x190, 0x336a000000000000, &(0x7f0000001280)={&(0x7f0000001200)="84c05022a7bd9223297b0c1466c68980f396353b606f56dd5075b245a8bf05f22c4e909a8decbc0cee435d65195cee6bfd6a218c3ad763feed039c72f567d33b67b693207bd38e15bed32f2eef63349c", 0x2, 0x0, 0x3, 0xff, 0x8}}], 0x6)

16:13:37 executing program 4:
r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x8, 0x1, 0x20)
tcgetattr(r0, &(0x7f0000000040))
fstat(r0, &(0x7f0000000080))
tcgetattr(r0, &(0x7f0000000100))
r1 = openat(r0, &(0x7f0000000140)='./file0\x00', 0x8, 0x100000, 0x40)
fcntl$F_SETFD(r0, 0x2, 0x1)
fwstat(r0, &(0x7f0000000180)=""/83, 0x53, 0x0)
access(&(0x7f0000000200)='./file0\x00', 0x8, 0x100)
vmm_ctl$VMM_CTL_GET_FLAGS(0x3)
nmount(r1, &(0x7f0000000240)='./file0\x00', 0x8, 0x0)
fcntl$F_GETFD(r1, 0x1)
r2 = openat(r1, &(0x7f0000000280)='./file0\x00', 0x8, 0x2, 0x150)
r3 = openat(r2, &(0x7f00000002c0)='./file0\x00', 0x8, 0x10043, 0x102)
abort_sysc_fd(r2)
nmount(r2, &(0x7f0000000300)='./file0\x00', 0x8, 0x2)
fcntl$F_GETFL(r1, 0x3)
mprotect(&(0x7f0000fff000/0x1000)=nil, 0x1000, 0x1000003)
halt_core(0x7fff)
fstat(r1, &(0x7f0000000340))
unlink(&(0x7f00000003c0)='./file0\x00', 0x8)
fcntl$F_GETFL(r2, 0x3)
nunmount(&(0x7f0000000400)='./file1\x00', 0x8, &(0x7f0000000440)='./file0\x00', 0x8)
openat(0xffffffffffffffff, &(0x7f0000000480)='./file1\x00', 0x8, 0x8000, 0xd)
nmount(r3, &(0x7f00000004c0)='./file1\x00', 0x8, 0x10)
nunmount(&(0x7f0000000500)='./file0\x00', 0x8, &(0x7f0000000540)='./file0\x00', 0x8)
cache_invalidate()
r4 = proc_create(&(0x7f0000000580)='./file1\x00', 0x8, &(0x7f00000005c0)=':\\\\-{]\x00', 0x7, 0x0)
chdir(r4, &(0x7f0000000600)='./file1\x00', 0x8)
fcntl$F_DUPFD(r2, 0x0, r1, 0x1)
mprotect(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x1000001)

16:13:37 executing program 6:
r0 = proc_create(&(0x7f0000000000)='./file0\x00', 0x8, &(0x7f0000000040)='\x00', 0x1, 0x0)
provision(r0, 0x0, 0x5)
stat(&(0x7f0000000080)='./file0\x00', 0x8, &(0x7f00000000c0))
r1 = openat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0x8, 0x10000, 0x14)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x8, 0x110000, 0x4)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x8, 0x800, 0x1)
dup_fds_to(r0, &(0x7f0000000200)=[{r1}, {r2}, {r3}], 0x3)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./file0\x00', 0x8, 0xc2, 0x102)
wstat(&(0x7f0000000280)='./file1\x00', 0x8, &(0x7f00000002c0)=""/184, 0xb8, 0x0)
fcntl$F_SETFD(r3, 0x2, 0x0)
unlink(&(0x7f0000000380)='./file1\x00', 0x8)
unlink(&(0x7f00000003c0)='./file0\x00', 0x8)
wstat(&(0x7f0000000400)='./file0\x00', 0x8, &(0x7f0000000440)=""/87, 0x57, 0x0)
nunmount(&(0x7f00000004c0)='./file0\x00', 0x8, &(0x7f0000000500)='./file1\x00', 0x8)
r4 = proc_create(&(0x7f0000000540)='./file1\x00', 0x8, &(0x7f0000000580)='\x00', 0x1, 0x0)
fwstat(r3, &(0x7f00000005c0)=""/54, 0x36, 0x0)
mkdir(&(0x7f0000000600)='./file1\x00', 0x8, 0x4)
wstat(&(0x7f0000000640)='./file0\x00', 0x8, &(0x7f0000000680)=""/252, 0xfc, 0x0)
openat(r1, &(0x7f0000000780)='./file1\x00', 0x8, 0x20000, 0x8)
proc_run(0x0)
nunmount(&(0x7f00000007c0)='./file1\x00', 0x8, &(0x7f0000000800)='./file1/file0\x00', 0xe)
readlink(&(0x7f0000000840)='./file1\x00', 0x8, &(0x7f0000000880)=""/130, 0x82)
wstat(&(0x7f0000000940)='./file1/file0\x00', 0xe, &(0x7f0000000980)=""/34, 0x22, 0x0)
unlink(&(0x7f00000009c0)='./file1\x00', 0x8)
rename(&(0x7f0000000a00)='./file2\x00', 0x8, &(0x7f0000000a40)='./file1\x00', 0x8)
chdir(r4, &(0x7f0000000a80)='./file1/file0\x00', 0xe)
stat(&(0x7f0000000ac0)='./file1/file0\x00', 0xe, &(0x7f0000000b00))
rename(&(0x7f0000000b80)='./file1/file0\x00', 0xe, &(0x7f0000000bc0)='./file1/file0\x00', 0xe)
nunmount(&(0x7f0000000c00)='./file0/file0\x00', 0xe, &(0x7f0000000c40)='./file2\x00', 0x8)
waitpid(r4, &(0x7f0000000c80), 0x2)

16:13:37 executing program 7:
vmm_ctl$VMM_CTL_SET_FLAGS(0x4, 0x4)
r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x8, 0x200, 0x52)
abort_sysc_fd(r0)
halt_core(0x7ff)
chdir(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x8)
abort_sysc_fd(r0)
fstat(r0, &(0x7f0000000080))
fcntl$F_SETFD(r0, 0x2, 0x1)
r1 = proc_create(&(0x7f0000000100)='./file0\x00', 0x8, &(0x7f0000000140)='[)\x00', 0x3, 0x1)
waitpid(r1, &(0x7f0000000180), 0x1)
fcntl$F_GETFL(r0, 0x3)
fwstat(r0, &(0x7f00000001c0)=""/194, 0xc2, 0x0)
mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2000002, 0x11812, r0, 0xeb5)
r2 = openat(r0, &(0x7f00000002c0)='./file0\x00', 0x8, 0x8000, 0x80)
fcntl$F_GETFD(r2, 0x1)
vmm_poke_guest(0x6)
fcntl$F_SETFL(r0, 0x4, 0x400)
access(&(0x7f0000000300)='./file0\x00', 0x8, 0x82)
wstat(&(0x7f0000000340)='./file0\x00', 0x8, &(0x7f0000000380)=""/26, 0x1a, 0x0)
mprotect(&(0x7f0000ffd000/0x2000)=nil, 0x2000, 0x1000003)
r3 = openat(r0, &(0x7f00000003c0)='./file0\x00', 0x8, 0x1000, 0x9)
fwstat(r0, &(0x7f0000000400)=""/243, 0xf3, 0x0)
r4 = openat(r0, &(0x7f0000000500)='./file0\x00', 0x8, 0x400, 0x100)
fcntl$F_DUPFD(r4, 0x0, r0, 0x0)
proc_create(&(0x7f0000000540)='./file0\x00', 0x8, &(0x7f0000000580)='[)\x00', 0x3, 0x1)
readlink(&(0x7f00000005c0)='./file0\x00', 0x8, &(0x7f0000000600)=""/129, 0x81)
nmount(r0, &(0x7f00000006c0)='./file0\x00', 0x8, 0x2)
nunmount(&(0x7f0000000700)='./file0\x00', 0x8, &(0x7f0000000740)='./file1\x00', 0x8)
fork()
r5 = openat(r2, &(0x7f0000000780)='./file1\x00', 0x8, 0x80000, 0x100)
fcntl$F_DUPFD(r3, 0x0, r5, 0x0)

16:13:37 executing program 5:
r0 = proc_create(&(0x7f0000000000)='./file0\x00', 0x8, &(0x7f0000000040)='@(\x00', 0x3, 0x1)
waitpid(r0, &(0x7f0000000080), 0x0)
link(&(0x7f00000000c0)='./file0\x00', 0x8, &(0x7f0000000100)='./file0\x00', 0x8)
r1 = proc_create(&(0x7f0000000140)='./file0\x00', 0x8, &(0x7f0000000180)='@(\x00', 0x3, 0x0)
r2 = fcntl$F_DUPFD(0xffffffffffffff9c, 0x0, 0xffffffffffffffff, 0x0)
r3 = fcntl$F_DUPFD(0xffffffffffffff9c, 0x0, 0xffffffffffffff9c, 0x0)
r4 = fcntl$F_DUPFD(0xffffffffffffff9c, 0x0, 0xffffffffffffff9c, 0x1)
r5 = fcntl$F_DUPFD(0xffffffffffffff9c, 0x0, 0xffffffffffffff9c, 0x1)
tap_fds(&(0x7f00000004c0)=[{r2, 0x3, 0x11, 0x9, &(0x7f0000000240)={&(0x7f00000001c0)="1c8d1bfeee23df8edddc63401e3769dfa6eb234ce764377ae7c46d05dfadcd850cb391fdd49a1afdfcf3014c6fb9621ee3673d925c0f95f7cf0c65c857b689494a8e2e54a4db9cea3bdce1fe65856f4e", 0x1, 0x0, 0xfffffffffffff48e, 0x9, 0xe7}}, {r3, 0x1, 0x20a, 0x1ff, &(0x7f0000000300)={&(0x7f0000000280)="fb8038188e09216218f94d0a8b086f995c7e3681977015276deab902db4ed83bb2eddecf4b91a53a11fcfffad9abd585d77ed96b7f23ad5c64d960faf256e01240eabb734ffe42a0a1c3ee6280eb16d4", 0x1, 0x0, 0x3, 0x401, 0x8}}, {r4, 0x1, 0x0, 0x6, &(0x7f00000003c0)={&(0x7f0000000340)="bb1828845a985aab74c2caf58b6f8254b7535a9cd34bbd5e2df01d86268d92c091a3dfd9afb8bfdd1b60e61a7d1e7d81bd9d9ef749b519b7008410e42bcd2362d0387616e4e01b28f375d0da5bc12795", 0xff2, 0x0, 0x6, 0xffffffff, 0x7bbd}}, {r5, 0x3, 0x410, 0x3ff, &(0x7f0000000480)={&(0x7f0000000400)="ffb1f2ad496cea5a93c79304619f6f5924f95d1d68a0a8c7cdb9a5ce7f29c9a651813cb48f27a339c4f40cd8fcdf94511b9d2ce8d272b869a408deb50ee93916f282745a5575a25f2b58f6c4a8f62db6", 0x800, 0x1, 0xc940, 0x3, 0x4}}], 0x4)
waitpid(r1, &(0x7f0000000540), 0x2)
waitpid(r0, &(0x7f0000000580), 0x3)
dup_fds_to(0x0, &(0x7f00000005c0)=[{r4}, {r4}, {r4}, {r2}, {r4}, {r3}, {r3}], 0x7)
stat(&(0x7f0000000640)='./file0\x00', 0x8, &(0x7f0000000680))
link(&(0x7f0000000700)='./file0\x00', 0x8, &(0x7f0000000740)='./file0\x00', 0x8)
wstat(&(0x7f0000000780)='./file0\x00', 0x8, &(0x7f00000007c0)=""/47, 0x2f, 0x0)
read(r3, &(0x7f0000000800)=""/133, 0x85)
rmdir(&(0x7f00000008c0)='./file0\x00', 0x8)
access(&(0x7f0000000900)='./file0\x00', 0x8, 0x4)
write(r5, &(0x7f0000000940)="fd05164c71c501f080ef9b5006d9dac261b3349a6ee1f6475b2ab542d0144bc819c50e1d96641a58c8ca64b1c7fa8c2947f7aa39e41bf812f5c4a7baaa4fbe32d60d32bb6f8ef7a1d5c6dabf8270aaf21d7a336f029ac9245b8eb6f5dc20fb6754c9b9bd78561d0bd19a7d3dd47c18ade025bf8f01cbbfc3f5ad7778118c1fbbae62979bc8402ea43a7931317796d5fc0111612c53177d5ab52f1733b73fbecb32b55c832f1c2ab2ce5607ba15a6c9e515283e711ef25d74e84f37ba1e94e502dd54749423a392db6baef9351c4d950ebc6bda5e8c1b6c5f7f919cccbddfe1d840ded17d2e74dfbe3be088e69a03fc9747764a58b5b5a6", 0xf7)
proc_destroy(r1, 0x6)
r6 = proc_create(&(0x7f0000000a40)='./file0\x00', 0x8, &(0x7f0000000a80)='@(\x00', 0x3, 0x0)
dup_fds_to(r6, &(0x7f0000000ac0)=[{r4}], 0x1)
r7 = openat(r5, &(0x7f0000000b00)='./file0\x00', 0x8, 0x200, 0x50)
r8 = fcntl$F_DUPFD(r2, 0x0, r5, 0x1)
fcntl$F_GETFD(r8, 0x1)
dup_fds_to(r0, &(0x7f0000000b40)=[{r4}, {r3}, {r7}, {r8}, {r4}, {r2}, {r2}, {r2}], 0x8)
r9 = openat(r8, &(0x7f0000000bc0)='./file0\x00', 0x8, 0x20000, 0x10)
llseek(r9, 0x3, 0x8, &(0x7f0000000c00), 0x2)
proc_create(&(0x7f0000000c40)='./file0\x00', 0x8, &(0x7f0000000c80)='@(\x00', 0x3, 0x3)
proc_create(&(0x7f0000000cc0)='./file0\x00', 0x8, &(0x7f0000000d00)='@(\x00', 0x3, 0x1)


bash-4.3$ [kernel] Vcoreid -1 unsafe! (too big?)

kernel panic at kern/src/ns/chan.c:324, from core 2: cclose 0x0000000000000000

Stack Backtrace on Core 2:

#01 [<0xffffffffc200a3b7>] in backtrace

#02 [<0xffffffffc2009b7c>] in _panic

#03 [<0xffffffffc2031967>] in cclose

#04 [<0xffffffffc20332f9>] in walk_symlink

#05 [<0xffffffffc20332e4>] in walk_symlink

#06 [<0xffffffffc20332e4>] in walk_symlink

#07 [<0xffffffffc20332e4>] in walk_symlink

#08 [<0xffffffffc20332e4>] in walk_symlink

#09 [<0xffffffffc20332e4>] in walk_symlink

#10 [<0xffffffffc20332e4>] in walk_symlink

#11 [<0xffffffffc2032e02>] in walk

#12 [<0xffffffffc20334d9>] in __namec_from

#13 [<0xffffffffc20340af>] in namec

#14 [<0xffffffffc203defd>] in sysrename

#15 [<0xffffffffc2055a12>] in sys_rename

#16 [<0xffffffffc2059149>] in syscall

#17 [<0xffffffffc2059304>] in run_local_syscall

#18 [<0xffffffffc2059839>] in prep_syscalls

#19 [<0xffffffffc20aaf1a>] in sysenter_callwrapper


Entering Nanwan's Dungeon on Core 2 (Ints on):

Type 'help' for a list of commands.
16:13:44 executing program 0:
r0 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x8, 0x0, 0x10)
symlink(&(0x7f00000000c0)='./file0\x00', 0x8, &(0x7f0000000100)='./file1\x00', 0x8)
r1 = fcntl$F_DUPFD(0xffffffffffffffff, 0x0, r0, 0x0)
proc_create(&(0x7f0000000040)='./file0\x00', 0x8, &(0x7f0000000080)='\x00', 0x1, 0x1)
mmap(&(0x7f0000003000/0x3000)=nil, 0x3000, 0x1000000, 0x100000000004132, r1, 0x3)