Boot failure with kernel BUG at mm/usercopy.c on next-20240325

["V, Narasimhan" <Narasimhan.V@amd.com>]

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[AMD Official Use Only - General]

Hi,
There is a boot failure as below.
On bisecting, the bad commit is found to be 328c801335d5f7edf2a3c9c331ddf8978f21e2a7.
Boots fine if we revert the above bad commit.


kernel BUG at mm/usercopy.c:102!
invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
CPU: 15 PID: 567 Comm: systemd-udevd Not tainted 6.9.0-rc1-next-20240325-1711333827684 #1
Hardware name: AMD Corporation Shale96/Shale96, BIOS RSH100BD 12/11/2023
RIP: 0010:usercopy_abort+0x72/0x90
Code: 4f f7 b8 50 48 c7 c2 31 a6 f4 b8 57 48 c7 c7 50 10 fe b8 48 0f 44 d6 48 c7 c6 32 30 f5 b8 4c 89 d1 49 0f 44 f3 e8 5e 2b d1 ff <0f> 0b 49 c7 c1 1c 60 f4 b8 4c 89 cf 4d 89 c8 eb a9 66 66 2e 0f 1f
RSP: 0018:ff855d5641947e08 EFLAGS: 00010246
RAX: 0000000000000060 RBX: 0000000000000000 RCX: ff44c5dccd9ff8a8
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000001
RBP: ff855d5641947e20 R08: 0000000000000060 R09: 6c656e72654b203a
R10: ffffffffba1edd60 R11: 657275736f707865 R12: 0000000000000008
R13: ff44c5cd80037800 R14: 0000000000000001 R15: 0000000000000000
FS:  00007fbc2be258c0(0000) GS:ff44c5dc86f80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbc2c459230 CR3: 0000000103f54004 CR4: 0000000000771ef0
PKRU: 55555554
Call Trace:
 <TASK>
 ? show_regs+0x6d/0x80
 ? die+0x3c/0xa0
 ? do_trap+0xcf/0xf0
 ? do_error_trap+0x75/0xa0
 ? usercopy_abort+0x72/0x90
 ? exc_invalid_op+0x57/0x80
 ? usercopy_abort+0x72/0x90
 ? asm_exc_invalid_op+0x1f/0x30
 ? usercopy_abort+0x72/0x90
 ? usercopy_abort+0x72/0x90
 __check_heap_object+0xd6/0x110
 __check_object_size+0x28a/0x2f0
 ? srso_alias_return_thunk+0x5/0xfbef5
 __x64_sys_sched_getaffinity+0xda/0x120
 do_syscall_64+0x76/0x120
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? do_syscall_64+0x85/0x120
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? syscall_exit_to_user_mode+0x75/0x190
 ? srso_alias_return_thunk+0x5/0xfbef5
 ? do_syscall_64+0x85/0x120
 entry_SYSCALL_64_after_hwframe+0x6c/0x74
RIP: 0033:0x7fbc2c507d6a
Code: d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 49 89 f0 be ff ff ff 7f b8 cc 00 00 00 49 39 f0 49 0f 46 f0 0f 05 <48> 3d 00 f0 ff ff 77 2e 41 89 c1 83 f8 ff 74 38 48 98 48 83 ec 08
RSP: 002b:00007ffceab058d8 EFLAGS: 00000297 ORIG_RAX: 00000000000000cc
RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fbc2c507d6a
RDX: 000055b26dfa3040 RSI: 0000000000000008 RDI: 0000000000000000
RBP: 000055b26dfa3040 R08: 0000000000000008 R09: 00000000ffffffff
R10: 000055b26dfa3030 R11: 0000000000000297 R12: 0000000000000008
R13: 000000000000003c R14: 00007ffceab05ac8 R15: 000055b258445078
 </TASK>
Modules linked in: aesni_intel crypto_simd cryptd
---[ end trace 0000000000000000 ]---



--
Regards
Narasimhan V



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