Re: [PATCH 6.1 00/15] 6.1.48-rc1 review

From: Sudip Mukherjee (Codethink)
Date: Fri Aug 25 2023 - 05:27:53 EST


Hi Greg,

On Thu, Aug 24, 2023 at 04:14:56PM +0200, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.1.48 release.
> There are 15 patches in this series, all will be posted as a response
> to this one. If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Sat, 26 Aug 2023 14:14:28 +0000.
> Anything received after that time might be too late.

Build test (gcc version 12.3.1 20230625):
mips: 52 configs -> no failure
arm: 100 configs -> no failure
arm64: 3 configs -> no failure
x86_64: 4 configs -> no failure
alpha allmodconfig -> no failure
csky allmodconfig -> no failure
powerpc allmodconfig -> no failure
riscv allmodconfig -> no failure
s390 allmodconfig -> no failure
xtensa allmodconfig -> no failure

Boot test:
x86_64: Booted on my test laptop. Warning on boot.
x86_64: Booted on qemu. Warning on boot. [1]
arm64: Booted on rpi4b (4GB model). No regression. [2]
mips: Booted on ci20 board. No regression. [3]

[1]. https://openqa.qa.codethink.co.uk/tests/4787
[2]. https://openqa.qa.codethink.co.uk/tests/4796
[3]. https://openqa.qa.codethink.co.uk/tests/4795

Tested-by: Sudip Mukherjee <sudip.mukherjee@xxxxxxxxxxxxxxx>


[ 0.154501] ------------[ cut here ]------------
[ 0.154505] missing return thunk: __alt_instructions_end+0x21b2/0x21d0-srso_untrain_ret+0x0/0x2: e9 17 81 f8 fe
[ 0.154517] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:572 apply_returns+0x1cb/0x200
[ 0.154524] Modules linked in:
[ 0.154526] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.48-rc1-c079d0dd788a+ #1
[ 0.154529] Hardware name: LENOVO 4287CTO/4287CTO, BIOS 8DET68WW (1.38 ) 04/11/2013
[ 0.154531] RIP: 0010:apply_returns+0x1cb/0x200
[ 0.154534] Code: 5b 01 00 0f 85 0b ff ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 38 16 4f b8 c6 05 f5 d1 5b 01 01 e8 85 8e 05 00 <0f> 0b e9 e3 fe ff ff c7 84 24 81 00 00 00 cc cc cc cc 42 c7 44 38
[ 0.154536] RSP: 0000:ffffffffb8803e30 EFLAGS: 00010282
[ 0.154539] RAX: 0000000000000000 RBX: ffffffffb906d7b4 RCX: 0000000000000000
[ 0.154541] RDX: 0000000000000003 RSI: 0000000000004ffb RDI: 00000000ffffffff
[ 0.154542] RBP: ffffffffb9079962 R08: 0000000000000000 R09: 00000000ffffefff
[ 0.154544] R10: ffffffffb8803cc0 R11: ffffffffb88cc1e8 R12: ffffffffb906d7d4
[ 0.154545] R13: cccccccccccccccc R14: ffffffffb8001a7e R15: 0000000000000004
[ 0.154547] FS: 0000000000000000(0000) GS:ffff936dd6200000(0000) knlGS:0000000000000000
[ 0.154549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.154551] CR2: ffff936dde5ff000 CR3: 000000013b40a001 CR4: 00000000000606f0
[ 0.154553] Call Trace:
[ 0.154556] <TASK>
[ 0.154559] ? __warn+0x79/0xc0
[ 0.154565] ? apply_returns+0x1cb/0x200
[ 0.154567] ? report_bug+0xee/0x170
[ 0.154572] ? prb_read_valid+0x17/0x20
[ 0.154578] ? handle_bug+0x42/0x70
[ 0.154581] ? exc_invalid_op+0x14/0x70
[ 0.154583] ? asm_exc_invalid_op+0x16/0x20
[ 0.154586] ? retbleed_return_thunk+0x7e/0x7e
[ 0.154591] ? apply_returns+0x1cb/0x200
[ 0.154594] ? apply_retpolines+0x1f5/0x2c0
[ 0.154598] alternative_instructions+0x4d/0xfc
[ 0.154604] arch_cpu_finalize_init+0x28/0x47
[ 0.154607] start_kernel+0x66c/0x70e
[ 0.154612] secondary_startup_64_no_verify+0xce/0xdb
[ 0.154618] </TASK>
[ 0.154619] ---[ end trace 0000000000000000 ]---



--
Regards
Sudip