syzbot


fatal error: D0304 21:LINE.ADDR NUM task_log.go:LINE] [ NUM] ADDR: 79 7a 31 00 79 7a 31 00 75 70 2e 70 72 6f 63 73

Status: closed as invalid on 2020/03/04 22:14
First crash: 1521d, last: 1521d

Sample crash report:
fatal error: D0304 21:08:29.467253   48595 task_log.go:122] [ 37228] 7fed2feb1b10: 79 7a 31 00 79 7a 31 00 75 70 2e 70 72 6f 63 73
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-2]: fork/exec /syzkaller/managers/ptrace-direct-overlay-host/current/image: cannot allocate memoryfault
D0304 21:08:29.467271   48595 task_log.go:122] [ 37228] 7fed2feb1b20: 00 6f 63 73 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467301   48595 task_log.go:122] [ 37228] 7fed2feb1b30: 4e 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467332   48595 task_log.go:122] [ 37228] 7fed2feb1b40: 57 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467363   48595 task_log.go:122] [ 37228] 7fed2feb1b50: 5f 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467389   48595 task_log.go:122] [ 37228] 7fed2feb1b60: 67 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467423   48595 task_log.go:122] [ 37228] 7fed2feb1b70: 75 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467456   48595 task_log.go:122] [ 37228] 7fed2feb1b80: 83 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467579   48595 task_log.go:122] [ 37228] 7fed2feb1b90: 8c 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467622   48595 task_log.go:122] [ 37228] 7fed2feb1ba0: 94 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467649   48595 task_log.go:122] [ 37228] 7fed2feb1bb0: a4 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467668   48595 task_log.go:122] [ 37228] 7fed2feb1bc0: b4 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467695   48595 task_log.go:122] [ 37228] 7fed2feb1bd0: c3 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467722   48595 task_log.go:122] [ 37228] 7fed2feb1be0: d2 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467753   48595 task_log.go:122] [ 37228] 7fed2feb1bf0: da 89 4a 00 00 00 00 00 06 00 00 00 00 00 00 00
D0304 21:08:29.467787   48595 task_log.go:122] [ 37228] 7fed2feb1c00: 50 88 4a 00 00 00 00 00 00 00 00 00 00 00 00 00
D0304 21:08:29.467825   48595 task_log.go:122] [ 37228] 7fed2feb1c10: 54 88 4a 00 00 00 00 00 00 00 00 00 00 00 00 00
D0304 21:08:29.467844   48595 task_log.go:122] [ 37228] 7fed2feb1c20: 58 88 4a 00 00 00 00 00 00 00 00 00 00 00 00 00
D0304 21:08:29.467865   48595 task_log.go:65] [ 37228] Mappings:
VMAs:
00400000-004ec000 r-xp 00000000 00:0e 5                                  /syz-executor
006ec000-00708000 rw-p 000ec000 00:0e 5                                  /syz-executor
00708000-00730000 rw-p 00000000 00:00 0 
00730000-00b30000 r--p 00000000 00:05 5                                  /tmp/syzkaller-shm127384062
00b30000-00c69000 rw-p 00000000 00:00 0 
00c69000-00c8b000 rw-p 00000000 00:00 0                                  [heap]
20000000-20800000 r-xp 00000000 00:00 0 
20800000-21000000 rwxp 00000000 00:00 0 
1b31b20000-1b32b20000 rw-s 00000000 00:05 6                              /tmp/syzkaller-shm067270981
2af57c411000-2af57c412000 r--p 00000000 00:00 0                          [vvar]
2af57c412000-2af57c414000 r-xp 00000000 00:00 0 
2af57c414000-2af57c415000 ---p 00000000 00:00 0 
2af57c415000-2af57c435000 rw-p 00000000 00:00 0 
2af57c435000-2af57c436000 ---p 00000000 00:00 0 
2af57c436000-2af57c456000 rw-p 00000000 00:00 0 
7fed2f6b2000-7fed2feb2000 rw-p 00000000 00:00 0                          [stack]
PMAs:
00400000-004eb000 r-xs 00000000 *fsutil.HostMappable
004eb000-004ec000 r-xp 12c56000 *pgalloc.MemoryFile
006ec000-00708000 rw-p 2227c000 *pgalloc.MemoryFile
00708000-00730000 rw-p 24a00000 *pgalloc.MemoryFile
00730000-00b30000 r--s 0ed78000 *pgalloc.MemoryFile
00b30000-00c00000 rw-p 27417000 *pgalloc.MemoryFile
00c00000-00c6b000 rw-p 2728f000 *pgalloc.MemoryFile
00c6b000-00c8b000 r--p 1b310000 *pgalloc.MemoryFile
20000000-20200000 r-xp 29600000 *pgalloc.MemoryFile
1b31b20000-1b32b20000 rw-s 0f178000 *pgalloc.MemoryFile
2af57c414000-2af57c415000 ---p 222e0000 *pgalloc.MemoryFile
2af57c415000-2af57c435000 rw-p 222e1000 *pgalloc.MemoryFile
2af57c435000-2af57c436000 ---p 27976000 *pgalloc.MemoryFile
2af57c436000-2af57c456000 rw-p 27977000 *pgalloc.MemoryFile
7fed2fe00000-7fed2feb2000 rw-p 274e7000 *pgalloc.MemoryFile

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/03/04 21:08 gvisor ce4d1e45bb88 c88c7b75 .config console log report ci-gvisor-ptrace-direct-overlay-host
* Struck through repros no longer work on HEAD.