syzbot
WARNING in do_sve_acc
Status:
auto-obsoleted due to no activity on 2025/02/12 15:52
Subsystems:
arm
[Documentation on labels]
Reported-by: syzbot+95ffb6a83b20ea7f4f55@syzkaller.appspotmail.com
First crash: 965d, last: 640d
Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 22473 at arch/arm64/kernel/fpsimd.c:1401 do_sve_acc+0x74/0x120 arch/arm64/kernel/fpsimd.c:1400
Modules linked in:
CPU: 1 UID: 0 PID: 22473 Comm: syz.2.24751 Not tainted 6.12.0-rc6-syzkaller #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 : ffff800089babe60
x29: ffff800089babe60 x28: f5f000001b526d80 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
x23: 0000000080001000 x22: 0000ffffb0136d14 x21: 00000000ffffffff
x20: f5f000001b527f58 x19: f5f000001b526d80 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : f5f0000004674888 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+0x78/0xa8 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 ]---
* Struck through repros no longer work on HEAD.