panic: disabled syscall

goroutine 1 [running]:
main.(*Fuzzer).checkDisabledCalls(0xc000002900, 0xc00861f000?)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:512 +0x552
main.(*Fuzzer).deserializeInput(0xc000002900, {0xc00861f000, 0x39, 0x39})
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:490 +0xf7
D0804 16:03:02.393592       1 task_exit.go:204] [ 3606(1897): 3606(1897)] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.393643       1 task_exit.go:204] [ 3606(1897): 3606(1897)] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.393732       1 task_signals.go:204] [ 3606(1897): 3607(1898)] Signal 3606, PID: 3607, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.393810       1 task_exit.go:204] [ 3606(1897): 3607(1898)] Transitioning from exit state TaskExitNone to TaskExitInitiated
main.(*Fuzzer).addCandidateInput(0xc000002900, {{0xc00861f000?, 0xc?, 0xc000429800?}, 0xa0?, 0xf4?})
D0804 16:03:02.394124       1 task_exit.go:204] [ 3606(1897): 3607(1898)] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.394144       1 task_exit.go:204] [ 3606(1897): 3607(1898)] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.394158       1 task_signals.go:443] [ 1710(   1): 1710(   1)] Discarding ignored signal 17
D0804 16:03:02.395660       1 task_exit.go:204] [ 3606(1897): 3606(1897)] Transitioning from exit state TaskExitZombie to TaskExitDead
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:465 +0x31
main.(*Fuzzer).poll(0xc000002900, 0x1, 0xc008797e60)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:436 +0x6fc
main.(*Fuzzer).pollLoop(0xc000002900)
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:410 +0x318
main.main()
	/syzkaller/gopath/src/github.com/google/syzkaller/syz-fuzzer/fuzzer.go:313 +0x176c
D0804 16:03:02.398960       1 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399022       1 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399030       1 task_exit.go:204] [   6:  13] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399027       1 task_signals.go:204] [   6:  19] Signal 6, PID: 19, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399063       1 task_exit.go:204] [   6:  19] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399096       1 task_exit.go:204] [   6:  19] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399109       1 task_exit.go:204] [   6:  19] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399053       1 task_signals.go:204] [   6:  21] Signal 6, PID: 21, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399124       1 task_signals.go:204] [   6:  20] Signal 6, PID: 20, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399150       1 task_signals.go:204] [   6:  18] Signal 6, PID: 18, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399149       1 task_signals.go:204] [   6:  22] Signal 6, PID: 22, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399161       1 task_signals.go:204] [   6:  24] Signal 6, PID: 24, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399096       1 task_signals.go:204] [   6:  25] Signal 6, PID: 25, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399168       1 task_signals.go:204] [   6:  23] Signal 6, PID: 23, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399179       1 task_exit.go:204] [   6:  21] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399225       1 task_signals.go:204] [   6:  10] Signal 6, PID: 10, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399244       1 task_signals.go:204] [   6:  15] Signal 6, PID: 15, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399244       1 task_signals.go:204] [   6:  14] Signal 6, PID: 14, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399237       1 task_signals.go:204] [   6:   9] Signal 6, PID: 9, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399257       1 task_signals.go:204] [   6:  12] Signal 6, PID: 12, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399268       1 task_signals.go:204] [   6:   6] Signal 6, PID: 6, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399268       1 task_signals.go:204] [   6:  17] Signal 6, PID: 17, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399283       1 task_signals.go:204] [   6:   8] Signal 6, PID: 8, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399270       1 task_signals.go:204] [   6:  16] Signal 6, PID: 16, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399289       1 task_signals.go:204] [   6:  11] Signal 6, PID: 11, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399300       1 task_signals.go:204] [   6:   7] Signal 6, PID: 7, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399316       1 task_exit.go:204] [   6:  21] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399406       1 task_exit.go:204] [   6:  21] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399424       1 task_exit.go:204] [   6:  20] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399437       1 task_exit.go:204] [   6:  20] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399444       1 task_exit.go:204] [   6:  20] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399456       1 task_exit.go:204] [   6:  18] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399464       1 task_exit.go:204] [   6:  18] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399472       1 task_exit.go:204] [   6:  18] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399492       1 task_exit.go:204] [   6:  22] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399511       1 task_exit.go:204] [   6:  22] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399517       1 task_exit.go:204] [   6:  22] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399528       1 task_exit.go:204] [   6:  24] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399540       1 task_exit.go:204] [   6:  24] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399546       1 task_exit.go:204] [   6:  24] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399560       1 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399576       1 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399587       1 task_exit.go:204] [   6:  10] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399609       1 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399621       1 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399628       1 task_exit.go:204] [   6:  15] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399640       1 task_exit.go:204] [   6:  25] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399650       1 task_exit.go:204] [   6:  25] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399657       1 task_exit.go:204] [   6:  25] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399668       1 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399687       1 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399701       1 task_exit.go:204] [   6:  14] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399717       1 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399731       1 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399739       1 task_exit.go:204] [   6:   9] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399751       1 task_exit.go:204] [   6:  23] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399761       1 task_exit.go:204] [   6:  23] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399769       1 task_exit.go:204] [   6:  23] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399781       1 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399803       1 task_signals.go:470] [ 1709: 1709] Notified of signal 9
D0804 16:03:02.399821       1 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399830       1 task_exit.go:204] [   6:  12] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399851       1 task_signals.go:204] [ 1709: 1709] Signal 1709, PID: 1709, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.399852       1 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399887       1 task_signals.go:458] [ 1709: 1709] Discarding duplicate signal 9
D0804 16:03:02.399899       1 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399914       1 task_exit.go:204] [   6:  17] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399921       1 task_exit.go:204] [   6:  17] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399929       1 task_exit.go:204] [   6:  17] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399942       1 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399951       1 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.399956       1 task_exit.go:204] [   6:   8] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.399966       1 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.399977       1 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.400015       1 task_exit.go:204] [   6:  16] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.400033       1 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.400042       1 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.400047       1 task_exit.go:204] [   6:  11] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.400056       1 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.400155       1 task_exit.go:204] [ 1709: 1709] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.400802       1 task_signals.go:470] [ 1710(   1): 1710(   1)] Notified of signal 9
D0804 16:03:02.400828       1 task_exit.go:204] [ 1709: 1709] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.400841       1 task_signals.go:481] [   6:   6] No task notified of signal 17
D0804 16:03:02.400870       1 task_signals.go:204] [ 1710(   1): 1710(   1)] Signal 1710, PID: 1710, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.400893       1 task_exit.go:204] [ 1710(   1): 1710(   1)] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.402281       1 task_exit.go:358] [ 1710(   1): 1710(   1)] Init process terminating, killing namespace
D0804 16:03:02.402313       1 task_stop.go:138] [ 1887( 178): 1887( 178)] Leaving internal stop (*kernel.groupStop)(nil)
D0804 16:03:02.402341       1 task_signals.go:481] [ 1887( 178): 1887( 178)] No task notified of signal 9
D0804 16:03:02.402367       1 task_stop.go:138] [ 1896( 187): 1896( 187)] Leaving internal stop (*kernel.groupStop)(nil)
D0804 16:03:02.402380       1 task_signals.go:481] [ 1896( 187): 1896( 187)] No task notified of signal 9
D0804 16:03:02.402402       1 task_stop.go:138] [ 2187( 478): 2187( 478)] Leaving internal stop (*kernel.groupStop)(nil)
D0804 16:03:02.402417       1 task_signals.go:481] [ 2187( 478): 2187( 478)] No task notified of signal 9
D0804 16:03:02.402449       1 task_signals.go:204] [ 1896( 187): 1896( 187)] Signal 1896, PID: 1896, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.402467       1 task_exit.go:204] [ 1710(   1): 1710(   1)] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.402503       1 task_signals.go:470] [   1:   1] Notified of signal 17
D0804 16:03:02.402538       1 task_signals.go:204] [ 2187( 478): 2187( 478)] Signal 2187, PID: 2187, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.402557       1 task_signals.go:179] [   1:   1] Restarting syscall 202: interrupted by signal 17
D0804 16:03:02.402628       1 task_signals.go:220] [   1:   1] Signal 17: delivering to handler
D0804 16:03:02.402578       1 task_exit.go:204] [ 2187( 478): 2187( 478)] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.402803       1 task_signals.go:204] [ 1887( 178): 1887( 178)] Signal 1887, PID: 1887, TID: 0, fault addr: 0x9: terminating thread group
D0804 16:03:02.402957       1 task_exit.go:204] [ 1896( 187): 1896( 187)] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.403096       1 task_exit.go:204] [ 1887( 178): 1887( 178)] Transitioning from exit state TaskExitNone to TaskExitInitiated
D0804 16:03:02.403649       1 task_exit.go:358] [ 1896( 187): 1896( 187)] Init process terminating, killing namespace
D0804 16:03:02.403668       1 task_signals.go:458] [ 1710(   1): 1710(   1)] Discarding duplicate signal 9
D0804 16:03:02.403686       1 task_signals.go:458] [ 1887( 178): 1887( 178)] Discarding duplicate signal 9
D0804 16:03:02.403699       1 task_signals.go:458] [ 2187( 478): 2187( 478)] Discarding duplicate signal 9
D0804 16:03:02.403722       1 task_exit.go:204] [ 1896( 187): 1896( 187)] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.403731       1 task_exit.go:204] [ 1896( 187): 1896( 187)] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.403756       1 task_exit.go:358] [ 2187( 478): 2187( 478)] Init process terminating, killing namespace
D0804 16:03:02.403763       1 task_signals.go:458] [ 1887( 178): 1887( 178)] Discarding duplicate signal 9
D0804 16:03:02.403791       1 task_signals.go:458] [ 1710(   1): 1710(   1)] Discarding duplicate signal 9
D0804 16:03:02.403811       1 task_exit.go:204] [ 2187( 478): 2187( 478)] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.403820       1 task_exit.go:204] [ 2187( 478): 2187( 478)] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.409446       1 task_exit.go:358] [ 1887( 178): 1887( 178)] Init process terminating, killing namespace
D0804 16:03:02.409476       1 task_signals.go:458] [ 1710(   1): 1710(   1)] Discarding duplicate signal 9
D0804 16:03:02.409488       1 task_exit.go:204] [ 1887( 178): 1887( 178)] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.409499       1 task_exit.go:204] [ 1887( 178): 1887( 178)] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.423618       1 task_signals.go:458] [ 1709: 1709] Discarding duplicate signal 9
D0804 16:03:02.423659       1 task_signals.go:470] [   1:   1] Notified of signal 17
D0804 16:03:02.423675       1 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitInitiated to TaskExitZombie
D0804 16:03:02.423689       1 task_exit.go:204] [   6:   7] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.423703       1 task_exit.go:204] [   6:   6] Transitioning from exit state TaskExitZombie to TaskExitDead
D0804 16:03:02.423734       1 task_signals.go:179] [   1:   1] Restarting syscall 202: interrupted by signal 17
D0804 16:03:02.423749       1 task_signals.go:220] [   1:   1] Signal 17: delivering to handler
D0804 16:03:02.423777       1 loader.go:1169] updated processes (removal): map[{ci-gvisor-kvm-cover-2 0}:0xc0006acf00]
D0804 16:03:02.423820       1 controller.go:560] containerManager.Wait, cid: ci-gvisor-kvm-cover-2, pid: 6, waitStatus: 0x200, err: <nil>
D0804 16:03:02.424053       1 urpc.go:568] urpc: successfully marshalled 38 bytes.
D0804 16:03:02.424177    2016 urpc.go:611] urpc: unmarshal success.
I0804 16:03:02.424279    2016 main.go:215] Exiting with status: 512
D0804 16:03:02.518275       1 urpc.go:611] urpc: unmarshal success.
D0804 16:03:02.519773       1 urpc.go:568] urpc: successfully marshalled 40248 bytes.
D0804 16:03:02.521701       1 urpc.go:611] urpc: unmarshal success.
D0804 16:03:02.521753       1 controller.go:226] containerManager.Processes, cid: ci-gvisor-kvm-cover-2
D0804 16:03:02.522005       1 urpc.go:568] urpc: successfully marshalled 486 bytes.