syzbot


panic: D1221 11:LINE.ADDR NUM x:LINE] [ NUM] Syscall 202: denied by seccomp

Status: closed as invalid on 2020/02/25 22:53
Reported-by: syzbot+509a07156cf050b2a85c@syzkaller.appspotmail.com
Fix commit: platform/syscall: use syscall + int3 to execute a system call in
First crash: 1802d, last: 1802d

Sample crash report:
panic: D1221 11:31:52.914047   49577 x:0] [ 41469] Syscall 202: denied by seccomp
error initializing first thread: resource temporarily unavailable

DIAGNOSIS:


Error collecting stacks: failed to start /syzkaller/managers/ptrace-direct-overlay-host/current/image [/syzkaller/managers/ptrace-direct-overlay-host/current/image -root /syzkaller/managers/ptrace-direct-overlay-host/workdir/gvisor_root -watchdog-action=panic -network=none -debug -alsologtostderr -platform=ptrace -file-access=shared -network=host debug -stacks --ps ci-gvisor-ptrace-direct-overlay-host-0]: fork/exec /syzkaller/managers/ptrace-direct-overlay-host/current/image: resource temporarily unavailablegoroutine 3279862 [running]:
gvisor.dev/gvisor/pkg/sentry/platform/ptrace.newSubprocess.func1(0xc000832000, 0xc00093a300, 0xc00093a540)
	pkg/sentry/platform/ptrace/subprocess.go:D1221 11:31:52.914119   49577 x:0] [ 41469] Syscall 202: denied by seccomp
178 +0x3a0
created by gvisor.dev/gvisor/pkg/sentry/platform/ptrace.newSubprocess
	pkg/sentry/platform/ptrace/subprocess.go:158 +0x13c

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/12/21 11:32 https://gvisor.googlesource.com/gvisor master d1528df71502 34011c05 .config console log report ci-gvisor-ptrace-direct-overlay-host
* Struck through repros no longer work on HEAD.