syzbot


panic: wait failed: the process 4877:LINE exited: 1f (err <nil>)

Status: fixed on 2020/02/27 08:57
Reported-by: syzbot+0b534d0f5b1df1522434@syzkaller.appspotmail.com
Fix commit: 17c18241cdeb platform/syscall: use syscall + int3 to execute a system call in a stub process
First crash: 1804d, last: 1804d

Sample crash report:
panic: wait failed: the process 4877:5006 exited: 1f (err <nil>)
Registers:
	R15	 = 00000000000005b4
	R14	 = 000000c000280180
	R13	 = 0000000001ac03a0
	R12	 = 000000c00029bcf0
	Rbp	 = 000000c00029be90
	Rbx	 = 0000000000000001
	R11	 = 0000000000000202
	R10	 = 0000000000000011
	R9	 = 00000000233c9000
	R8	 = 000000000000000b
	Rax	 = 0000000000000009
	Rcx	 = 00007fffffff0053
	Rdx	 = 0000000000000003
	Rsi	 = 0000000000021000
	Rdi	 = 00002b624b94b000
	Orig_rax = 000000000000003e
	Rip	 = 00007fffffff0051
	Cs	 = 0000000000000033
	Eflags	 = 0000000000000202
	Rsp	 = 000000c00029bcf0
	Ss	 = 000000000000002b
	Fs_base	 = 0000000003cc1880
	Gs_base	 = 0000000000000000
	Ds	 = 0000000000000000
	Es	 = 0000000000000000
	Fs	 = 0000000000000000
	Gs	 = 0000000000000000
stubStart	 = 00007fffffff0000

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/12/19 03:43 https://gvisor.googlesource.com/gvisor master 628948b1e197 79b211f7 .config console log report ci-gvisor-ptrace-proxy-sandbox-race
* Struck through repros no longer work on HEAD.