• Jesse Zhang's avatar
    drm/amdkfd: Fix shift out-of-bounds issue · 282c1d79
    Jesse Zhang authored
    [  567.613292] shift exponent 255 is too large for 64-bit type 'long unsigned int'
    [  567.614498] CPU: 5 PID: 238 Comm: kworker/5:1 Tainted: G           OE      6.2.0-34-generic #34~22.04.1-Ubuntu
    [  567.614502] Hardware name: AMD Splinter/Splinter-RPL, BIOS WS43927N_871 09/25/2023
    [  567.614504] Workqueue: events send_exception_work_handler [amdgpu]
    [  567.614748] Call Trace:
    [  567.614750]  <TASK>
    [  567.614753]  dump_stack_lvl+0x48/0x70
    [  567.614761]  dump_stack+0x10/0x20
    [  567.614763]  __ubsan_handle_shift_out_of_bounds+0x156/0x310
    [  567.614769]  ? srso_alias_return_thunk+0x5/0x7f
    [  567.614773]  ? update_sd_lb_stats.constprop.0+0xf2/0x3c0
    [  567.614780]  svm_range_split_by_granularity.cold+0x2b/0x34 [amdgpu]
    [  567.615047]  ? srso_alias_return_thunk+0x5/0x7f
    [  567.615052]  svm_migrate_to_ram+0x185/0x4d0 [amdgpu]
    [  567.615286]  do_swap_page+0x7b6/0xa30
    [  567.615291]  ? srso_alias_return_thunk+0x5/0x7f
    [  567.615294]  ? __free_pages+0x119/0x130
    [  567.615299]  handle_pte_fault+0x227/0x280
    [  567.615303]  __handle_mm_fault+0x3c0/0x720
    [  567.615311]  handle_mm_fault+0x119/0x330
    [  567.615314]  ? lock_mm_and_find_vma+0x44/0x250
    [  567.615318]  do_user_addr_fault+0x1a9/0x640
    [  567.615323]  exc_page_fault+0x81/0x1b0
    [  567.615328]  asm_exc_page_fault+0x27/0x30
    [  567.615332] RIP: 0010:__get_user_8+0x1c/0x30
    Signed-off-by: default avatarJesse Zhang <jesse.zhang@amd.com>
    Suggested-by: default avatarPhilip Yang <Philip.Yang@amd.com>
    Reviewed-by: default avatarYifan Zhang <yifan1.zhang@amd.com>
    Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
    282c1d79
kfd_svm.c 113 KB