syzbot


invalid opcode in map_vdso

Status: closed as dup on 2020/09/25 12:17
Subsystems: kernel
[Documentation on labels]
Reported-by: syzbot+9cf5373b0e15476f39a2@syzkaller.appspotmail.com
First crash: 1313d, last: 1313d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
general protection fault in perf_misc_flags perf 7 1306d 1313d
Discussions (1)
Title Replies (including bot) Last reply
invalid opcode in map_vdso 3 (4) 2020/09/25 12:16

Sample crash report:
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 16405 Comm: modprobe Not tainted 5.9.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:map_vdso+0x1e3/0x270 arch/x86/entry/vdso/vma.c:308
Code: 16 48 89 ef 48 8b 34 24 31 c9 e8 88 7c a7 00 eb 7a 4c 8b 74 24 28 43 80 3c 3e 00 48 8b 5c 24 08 74 08 4c 89 ef e8 4d 77 70 70 <07> 20 05 00 00 49 03 6d 00 48 89 e8 48 c1 e8 03 42 80 3c 38 00 74
RSP: 0018:ffffc90006167b98 EFLAGS: 00010246
RAX: ffff8880a7db8420 RBX: ffff88809d5fd7f8 RCX: ffff8880a811a040
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88809d5fd740 R08: ffffffff81912471 R09: fffffbfff131e57c
R10: fffffbfff131e57c R11: 0000000000000000 R12: 00007ffea1107000
R13: ffff8880a811a468 R14: 1ffff1101502348d R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f33d09f8fc0 CR3: 0000000097210000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 load_elf_binary+0x2e90/0x48a0 fs/binfmt_elf.c:1221
 search_binary_handler fs/exec.c:1819 [inline]
 exec_binprm fs/exec.c:1860 [inline]
 bprm_execve+0x919/0x1500 fs/exec.c:1931
 kernel_execve+0x871/0x970 fs/exec.c:2080
 call_usermodehelper_exec_async+0x204/0x330 kernel/umh.c:101
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace 8d12c4aa58699b40 ]---
RIP: 0010:map_vdso+0x1e3/0x270 arch/x86/entry/vdso/vma.c:308
Code: 16 48 89 ef 48 8b 34 24 31 c9 e8 88 7c a7 00 eb 7a 4c 8b 74 24 28 43 80 3c 3e 00 48 8b 5c 24 08 74 08 4c 89 ef e8 4d 77 70 70 <07> 20 05 00 00 49 03 6d 00 48 89 e8 48 c1 e8 03 42 80 3c 38 00 74
RSP: 0018:ffffc90006167b98 EFLAGS: 00010246
RAX: ffff8880a7db8420 RBX: ffff88809d5fd7f8 RCX: ffff8880a811a040
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88809d5fd740 R08: ffffffff81912471 R09: fffffbfff131e57c
R10: fffffbfff131e57c R11: 0000000000000000 R12: 00007ffea1107000
R13: ffff8880a811a468 R14: 1ffff1101502348d R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f33d09f8fc0 CR3: 0000000097210000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/09/19 08:43 upstream 92ab97adeefc 53ce8104 .config console log report info ci-upstream-kasan-gce-smack-root
* Struck through repros no longer work on HEAD.