dengbo
563969041a
nulldisp: fix remote login interface crash when accessing remotely
Unable to handle kernel access to user memory without uaccess routines at virtual address 0000000000000008
Oops [#1]
Modules linked in: algif_hash algif_skcipher af_alg 8852bs binfmt_misc cdc_ncm pwm_bl backlight ax_usb_nic sch_fq_codel ip_tables autofs4
CPU: 7 PID: 1731 Comm: labwc Not tainted 6.6.63 #20250523
Hardware name: spacemit k1-x MUSE-Pi board (DT)
epc : drm_gem_handle_create_tail+0x160/0x182
ra : drm_gem_handle_create_tail+0x15c/0x182
epc : ffffffff8074de06 ra : ffffffff8074de02 sp : ffffffc8093f3c50
gp : ffffffff820f0db8 tp : ffffffd91ff40c80 t0 : ffffffff81e2fc10
t1 : ffffffff814aa9b0 t2 : 0000000000000000 s0 : ffffffc8093f3ca0
s1 : ffffffd93c590000 a0 : 0000000000000058 a1 : ffffffda75f63708
a2 : ffffffda75f6fb60 a3 : 0000000000000000 a4 : 0000000000000000
a5 : 0000000000000000 a6 : 000000000000000c a7 : 00007fffffffffff
s2 : 0000000000000001 s3 : ffffffd90b68e400 s4 : 0000000000000000
s5 : ffffffd90b68e468 s6 : ffffffc8093f3d88 s7 : ffffffd90b68e450
s8 : ffffffd93c590018 s9 : ffffffd90b68e400 s10: ffffffc8093f3d88
s11: ffffffff814f3af0 t3 : 6865a52566dac856 t4 : 0000000000000001
t5 : ffffffc8093f3d94 t6 : ffffffc8093f3a68
status: 0000000200000120 badaddr: 0000000000000008 cause: 000000000000000d
[<ffffffff8074de06>] drm_gem_handle_create_tail+0x160/0x182
[<ffffffff80758044>] drm_gem_prime_fd_to_handle+0x86/0x16c
[<ffffffff8075866c>] drm_prime_fd_to_handle_ioctl+0x16/0x2a
[<ffffffff8074e8f6>] drm_ioctl_kernel+0xa0/0x122
[<ffffffff8074eb2a>] drm_ioctl+0x1b2/0x3da
[<ffffffff8023f5be>] __riscv_sys_ioctl+0x8a/0xb2
[<ffffffff80f8f4a0>] do_trap_ecall_u+0x116/0x12a
[<ffffffff80f98c86>] ret_from_exception+0x0/0x6e
Code: c517 0120 0513 4365 9097 0082 80e7 3fe0 b783 1404 (679c) cb99
Change-Id: Ie9f613e216ea2428f34656cef9e2538b51ce644a
2025-05-23 17:49:08 +08:00
..
2025-05-23 17:49:08 +08:00
2024-05-17 12:02:15 +02:00
2023-08-30 13:34:34 -07:00