syzbot


WARNING in do_sve_acc

Status: upstream: reported on 2023/12/19 23:58
Subsystems: arm
[Documentation on labels]
Reported-by: syzbot+95ffb6a83b20ea7f4f55@syzkaller.appspotmail.com
First crash: 127d, last: 25d
Discussions (2)
Title Replies (including bot) Last reply
[syzbot] Monthly arm report (Mar 2024) 0 (1) 2024/03/27 09:21
[syzbot] [arm?] WARNING in do_sve_acc 2 (3) 2024/01/03 18:24

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 777 at arch/arm64/kernel/fpsimd.c:1401 do_sve_acc+0x74/0x120 arch/arm64/kernel/fpsimd.c:1400
Modules linked in:
CPU: 0 PID: 777 Comm: syz-executor.1 Not tainted 6.9.0-rc1-syzkaller-00009-g7033999ecd7b #0
Hardware name: linux,dummy-virt (DT)
pstate: 01400009 (nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
pc : do_sve_acc+0x74/0x120 arch/arm64/kernel/fpsimd.c:1401
lr : do_sve_acc+0x50/0x120 arch/arm64/kernel/fpsimd.c:1392
sp : ffff80008ad33e60
x29: ffff80008ad33e60 x28: f4ff0000073a0000 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000080001000 x22: 0000ffff97656e94 x21: 00000000ffffffff
x20: f4ff0000073a11c8 x19: f4ff0000073a0000 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : f9ff00000c314888 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000800000
Call trace:
 do_sve_acc+0x74/0x120 arch/arm64/kernel/fpsimd.c:1400
 el0_sve_acc+0x6c/0xb8 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync_handler+0xf4/0x12c arch/arm64/kernel/entry-common.c:742
 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598
---[ end trace 0000000000000000 ]---

Crashes (8):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/26 23:44 upstream 7033999ecd7b 454571b6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
2024/02/23 09:36 upstream ffd2cb6b718e 8d446f15 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
2024/02/21 09:53 upstream fca7526b7d89 3af7dd65 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
2024/02/15 13:53 upstream 8d3dea210042 fd39cf6f .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
2024/02/08 10:42 upstream 547ab8fc4cb0 6404acf9 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
2024/02/02 03:42 upstream 5c24e4e9e708 d61103fc .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
2024/01/30 16:56 upstream 861c0981648f 7f400fcb .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
2023/12/15 23:52 upstream 3f7168591ebf 3222d10c .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-arm64-mte WARNING in do_sve_acc
* Struck through repros no longer work on HEAD.