Not sufficient.
There is another BUG() hidden at line 398:
status = acpi_ex_resolve_operands(walk_state->opcode,
&(walk_state->operands[walk_state->num_operands - 1]), walk_state);
in `walk_state->operands[]` array referencing.
After adding same guard for walk_state->operands[]
if (walk_state->num_operands - 1 >= ARRAY_SIZE(walk_state->operands)) {
ACPI_ERROR((AE_INFO, "Too many operands 0x%X for op_type 0x%X",
walk_state->num_operands - 1, op_type));
status = AE_AML_BAD_OPCODE;
goto cleanup;
}
got in dmesg:
-- cut--
[ 1.121664] acpi ABCD0000:00: ACPI dock station (docks/bays count: 1)
[ 1.125182] ACPI: PM: Power Resource [PX06]
[ 1.125182] ACPI Error: Too many operands 0xFFFFFFFF for op_type 0x0
(20210604/dswexec-397)
[ 1.125182] No Local Variables are initialized for Method [RREG]
[ 1.125311] Initialized Arguments for Method [RREG]: (3 arguments defined
for method invocation)
[ 1.125450] Arg0: 000000002d6b3afd <Obj> Integer
00000000FE028000
[ 1.125588] Arg1: 0000000078d25d8c <Obj> Integer
0000000000000001
[ 1.125591] Arg2: 000000000bca9f52 <Obj> Integer
0000000000000000
[ 1.125591] ACPI Error: Aborting method \_SB.PCI0.GEXP.RREG due to previous
error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
[ 1.125591] ACPI Error: Aborting method \_SB.PCI0.GEXP.CSER due to previous
error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
[ 1.125591] ACPI Error: Aborting method \_SB.PCI0.GEXP.GEPS due to previous
error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
[ 1.125591] ACPI Error: Aborting method \_SB.PCI0.XHC.RHUB.HS06.PX06._STA
due to previous error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
[ 1.125591] ACPI Error: Too many operands 0xFFFFFFFF for op_type 0x0
(20210604/dswexec-397)
[ 1.125591] No Local Variables are initialized for Method [RREG]
[ 1.125591] Initialized Arguments for Method [RREG]: (3 arguments defined
for method invocation)
[ 1.125591] Arg0: 000000006c708c99 <Obj> Integer
00000000FE028000
[ 1.125703] Arg1: 0000000078d25d8c <Obj> Integer
0000000000000001
[ 1.125838] Arg2: 00000000d8c7f611 <Obj> Integer
0000000000000000
[ 1.126062] ACPI Error: Aborting method \_SB.PCI0.GEXP.RREG due to previous
error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
[ 1.126213] ACPI Error: Aborting method \_SB.PCI0.GEXP.CSER due to previous
error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
[ 1.126366] ACPI Error: Aborting method \_SB.PCI0.GEXP.GEPS due to previous
error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
[ 1.126517] ACPI Error: Aborting method \_SB.PCI0.XHC.RHUB.HS06.PX06._STA
due to previous error (AE_AML_BAD_OPCODE) (20210604/psparse-529)
-- cut--
have classical underflow here.
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https://bugs.launchpad.net/bugs/1942215
Title:
OOPs on boot: invalid opcode: 0000 [#1] SMP NOPTI
Status in Linux:
Unknown
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Impish:
Incomplete
Bug description:
Using latest Impish kernel 5.13.0-15.15 from ckt/bootstrap PPA, upon
boot on vought we get this:
...
[ 11.502916] invalid opcode: 0000 [#1] SMP NOPTI
[ 11.504249] CPU: 95 PID: 1472 Comm: systemd-udevd Not tainted
5.13.0-15-generic #15-Ubuntu
[ 11.505734] Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS
SE5C620.86B.0D.01.0395.022720191340 02/27/2019
[ 11.507260] RIP: 0010:acpi_ds_exec_end_op+0x187/0x774
[ 11.508771] Code: 77 28 48 8b 04 c5 00 9b ea 91 48 89 df ff d0 0f 1f 00 41
89 c4 e9 8f 00 00 00 0f b6 43 0d 8d 50 ff 48 63 d2 48 83 fa 09 76 02 <0f> 0b 83
c0 6c 0f b7 7b 0a 48 89 da 48 98 48 8d 34 c3 e8 c0 3c 01
[ 11.511898] RSP: 0018:ffffaaeca1a776e0 EFLAGS: 00010286
[ 11.513428] RAX: 0000000000000000 RBX: ffff8f08a7573800 RCX:
0000000000000040
[ 11.514972] RDX: ffffffffffffffff RSI: ffffffff91ea9980 RDI:
00000000000002cb
[ 11.516100] RBP: ffffaaeca1a77710 R08: 0000000000000000 R09:
ffff8f08a8c84af0
[ 11.517479] R10: 0000000000000000 R11: 0000000000000003 R12:
0000000000000000
[ 11.518985] R13: ffff8f08a8c84af0 R14: 0000000000000000 R15:
0000000000000000
[ 11.520425] FS: 00007f7fb403ed00(0000) GS:ffff8f348d5c0000(0000)
knlGS:0000000000000000
[ 11.521931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 11.523424] CR2: 00007f7fb38d1918 CR3: 0000000129b6a002 CR4:
00000000007706e0
[ 11.524924] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 11.526221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 11.527636] PKRU: 55555554
[ 11.528820] Call Trace:
[ 11.529807] acpi_ps_parse_loop+0x587/0x660
[ 11.531198] acpi_ps_parse_aml+0x1af/0x552
[ 11.532595] acpi_ps_execute_method+0x208/0x2ca
[ 11.533972] acpi_ns_evaluate+0x34e/0x4f0
[ 11.535361] acpi_evaluate_object+0x18e/0x3b4
[ 11.536736] acpi_evaluate_dsm+0xb3/0x120
[ 11.537943] ? acpi_evaluate_dsm+0xb3/0x120
[ 11.539214] nfit_intel_shutdown_status+0xed/0x1b0 [nfit]
[ 11.540603] acpi_nfit_add_dimm+0x3cb/0x670 [nfit]
[ 11.541990] acpi_nfit_register_dimms+0x141/0x460 [nfit]
[ 11.543377] acpi_nfit_init+0x54f/0x620 [nfit]
[ 11.544755] acpi_nfit_add+0x192/0x1f0 [nfit]
[ 11.546116] acpi_device_probe+0x49/0x170
[ 11.547431] really_probe+0x245/0x4c0
[ 11.548749] driver_probe_device+0xf0/0x160
[ 11.550064] device_driver_attach+0xab/0xb0
[ 11.551387] __driver_attach+0xb2/0x140
[ 11.552692] ? device_driver_attach+0xb0/0xb0
[ 11.554001] bus_for_each_dev+0x7e/0xc0
[ 11.555326] driver_attach+0x1e/0x20
[ 11.556630] bus_add_driver+0x135/0x1f0
[ 11.557917] driver_register+0x95/0xf0
[ 11.559226] acpi_bus_register_driver+0x39/0x50
[ 11.560139] nfit_init+0x168/0x1000 [nfit]
[ 11.561230] ? 0xffffffffc0649000
[ 11.562442] do_one_initcall+0x46/0x1d0
[ 11.563701] ? kmem_cache_alloc_trace+0x11c/0x240
[ 11.564846] do_init_module+0x62/0x290
[ 11.565768] load_module+0xaa6/0xb40
[ 11.566811] __do_sys_finit_module+0xc2/0x120
[ 11.567825] __x64_sys_finit_module+0x18/0x20
[ 11.568747] do_syscall_64+0x61/0xb0
[ 11.569694] ? syscall_exit_to_user_mode+0x27/0x50
[ 11.570680] ? __x64_sys_mmap+0x33/0x40
[ 11.571606] ? do_syscall_64+0x6e/0xb0
[ 11.572442] ? asm_exc_page_fault+0x8/0x30
[ 11.573395] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 11.574392] RIP: 0033:0x7f7fb45d670d
[ 11.575373] Code: 5b 41 5c c3 66 0f 1f 84 00 00 00 00 00 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 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d f3 66 0f 00 f7 d8 64 89 01 48
[ 11.577496] RSP: 002b:00007ffe815a56d8 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
[ 11.578573] RAX: ffffffffffffffda RBX: 00005624b212e410 RCX:
00007f7fb45d670d
[ 11.579646] RDX: 0000000000000000 RSI: 00007f7fb47683fe RDI:
0000000000000006
[ 11.580712] RBP: 0000000000020000 R08: 0000000000000000 R09:
0000000000000000
[ 11.581774] R10: 0000000000000006 R11: 0000000000000246 R12:
00007f7fb47683fe
[ 11.582847] R13: 00005624b2090bf0 R14: 00005624b208f940 R15:
00005624b2096cd0
[ 11.583907] Modules linked in: nfit(+) mac_hid sch_fq_codel msr ip_tables
x_tables autofs4 btrfs blake2b_generic zstd_compress raid10 raid456
async_raid6_recov async_memcpy async_pq async_xor async_tx xor hid_generic
usbhid hid raid6_pq libcrc32c raid1 raid0 multipath linear ast drm_vram_helper
i2c_algo_bit drm_ttm_helper ttm crct10dif_pclmul drm_kms_helper crc32_pclmul
syscopyarea sysfillrect ghash_clmulni_intel sysimgblt aesni_intel fb_sys_fops
cec crypto_simd rc_core i40e cryptd drm i2c_i801 ahci xhci_pci lpc_ich
i2c_smbus xhci_pci_renesas libahci wmi
[ 11.589096] ---[ end trace c51e80930ce46555 ]---
...
and reboot fails to restart the board.
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