Re: [PATCH v3 03/12] dump_stack: Add vmlinux build ID to stack traces

Stephen Boyd
2021-04-08T21:08:33Z

Quoting Stephen Boyd (2021-04-08 12:52:27)
>
> Can you try this patch for x86? I'll dig up some hardware in the meantime.
>

It works for me backported to this 5.10 kernel running on this x86
device I found. I'll wait for you to confirm and then send the next
round.

CPU: 0 PID: 2719 Comm: bash Not tainted 5.10.27 #1 301c09d6713f73cc8761e0ec7c4a50f354819757
Hardware name: Google Grunt/Grunt, BIOS Google_Grunt.11031.115.0 11/15/2019
RIP: 0010:lkdtm_WARNING+0x13/0x17 [lkdtm bf9f9188770187b40e576292363651839854180c]
Code: c7 15 ae 71 c0 31 c0 e8 b1 f9 f6 c9 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 55 48 89 e5 ff 05 f3 7d 00 00 75 02 5d c3 <0f> 0b eb fa 0f 1f 44 00 00 55 48 89 e5 8b 35 dc 7d 00 00 ff c6 89
RSP: 0018:ffffb296c1757dc0 EFLAGS: 00010202
RAX: 0000000000000026 RBX: ffffffffc071a060 RCX: 5d63534cda001100
RDX: ffff8e5faac22cf8 RSI: ffff8e5faac12e08 RDI: ffffffffc071a060
RBP: ffffb296c1757dc0 R08: 0000000000000000 R09: ffffb296c1757ba0
R10: 00000000ffffdfff R11: ffffffffc071722e R12: 0000000000000008
R13: ffff8e5fa615f000 R14: ffffffffffffffea R15: ffffffffc071a819
FS: 00007ee3373f2740(0000) GS:ffff8e5faac00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000058d943914918 CR3: 000000000f0a0000 CR4: 00000000001506f0
Call Trace:
direct_entry+0x107/0x113 [lkdtm bf9f9188770187b40e576292363651839854180c]
full_proxy_write+0x5b/0x78
vfs_write+0x145/0x40d
ksys_write+0x7e/0xde
do_syscall_64+0x43/0x55
entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7ee3372cb7f4
Code: 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8d 05 31 40 0c 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 55 48 89 e5 48 83 ec 20 48 89
RSP: 002b:00007ffe1c6db648 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007ee3372cb7f4
RDX: 0000000000000008 RSI: 000058d944343c60 RDI: 0000000000000001
RBP: 00007ffe1c6db670 R08: 000000000000000a R09: 00007ee3373f2740
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
R13: 000058d944343c60 R14: 00007ee33738b5c0 R15: 00007ee3373865c0