[Bug 215943] UBSAN: array-index-out-of-bounds in drivers/scsi/megaraid/megaraid_sas_fp.c:103:32

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=215943

ubuntologic@inbox.ru changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ubuntologic@inbox.ru

--- Comment #11 from ubuntologic@inbox.ru ---
ATOM BIOS: CAPILANO
radeon 0000:02:00.0: VRAM: 1024M 0x0000000000000000 - 0x000000003FFFFFFF (1024M
used)
radeon 0000:02:00.0: GTT: 1024M 0x0000000040000000 - 0x000000007FFFFFFF
[drm] Detected VRAM RAM=1024M, BAR=256M
[drm] RAM width 128bits DDR
[drm] radeon: 1024M of VRAM memory ready
[drm] radeon: 1024M of GTT memory ready.
[drm] Loading REDWOOD Microcode
[drm] Internal thermal controller without fan control
================================================================================
UBSAN: array-index-out-of-bounds in
/home/kernel/COD/linux/drivers/gpu/drm/radeon/radeon_atombios.c:2620:43
index 1 is out of range for type 'UCHAR [1]'
CPU: 2 PID: 140 Comm: systemd-udevd Not tainted 6.5.1-060501-generic
#202309020842
Hardware name: Acer Aspire 7741/JE70_CP, BIOS V1.26 04/28/2011
Call Trace:
 <TASK>
 dump_stack_lvl+0x48/0x70
 dump_stack+0x10/0x20
 __ubsan_handle_out_of_bounds+0xc6/0x110
 radeon_atombios_parse_power_table_4_5+0x3c9/0x3f0 [radeon]
 radeon_atombios_get_power_modes+0x205/0x210 [radeon]
 radeon_pm_init_dpm+0x8e/0x2f0 [radeon]
 radeon_pm_init+0xd0/0x100 [radeon]
 evergreen_init+0x158/0x400 [radeon]
 radeon_device_init+0x540/0xa90 [radeon]
 radeon_driver_load_kms+0xcc/0x2f0 [radeon]
 drm_dev_register+0x10e/0x240 [drm]
 radeon_pci_probe+0xec/0x180 [radeon]
 local_pci_probe+0x47/0xb0
 pci_call_probe+0x55/0x190
 pci_device_probe+0x84/0x120
 really_probe+0x1c7/0x410
 __driver_probe_device+0x8c/0x180
 driver_probe_device+0x24/0xd0
 __driver_attach+0x10b/0x210
 ? __pfx___driver_attach+0x10/0x10
 bus_for_each_dev+0x8d/0xf0
 driver_attach+0x1e/0x30
 bus_add_driver+0x127/0x240
 driver_register+0x5e/0x130
 ? __pfx_radeon_module_init+0x10/0x10 [radeon]
 __pci_register_driver+0x62/0x70
 __pci_register_driver+0x62/0x70
 radeon_module_init+0x4c/0xff0 [radeon]
 do_one_initcall+0x5e/0x340
 do_init_module+0x68/0x260
 load_module+0xba1/0xcf0
 ? ima_post_read_file+0xe8/0x110
 ? security_kernel_post_read_file+0x75/0x90
 init_module_from_file+0x96/0x100
 ? init_module_from_file+0x96/0x100
 idempotent_init_module+0x11c/0x2b0
 __x64_sys_finit_module+0x64/0xd0
 do_syscall_64+0x5c/0x90
 ? do_syscall_64+0x68/0x90
 ? syscall_exit_to_user_mode+0x37/0x60
 ? do_syscall_64+0x68/0x90
 entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7fe86023089d
Code: 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48
89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 0>
RSP: 002b:00007fffe4257b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 0000560b8b980a10 RCX: 00007fe86023089d
RDX: 0000000000000000 RSI: 00007fe8603b0458 RDI: 0000000000000013
RBP: 00007fe8603b0458 R08: 0000000000000000 R09: 00007fffe4257c30
R10: 0000000000000013 R11: 0000000000000246 R12: 0000000000020000
R13: 0000560b8b978140 R14: 0000000000000000 R15: 0000560b8b90faf0
 </TASK>
================================================================================

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