Massive page fault recursion leads to a double fault and a crash in srso_return_thunk

Solution Unverified - Updated -

Issue

The kernel crashed with a message: BUG: #DF stack guard page was hit at xxx:

BUG: #DF stack guard page was hit at 000000006187eb11 (stack is 00000000432471a4..00000000646dc3fc)
stack guard page: 0000 [#1] PREEMPT SMP NOPTI
CPU: 7 PID: 1781289 Comm: amqzlaa0 Kdump: loaded Tainted: P            E     -------  ---  5.14.0-503.14.1.el9_5.x86_64 #1
Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020
RIP: 0010:srso_return_thunk+0x0/0x5f
Code: cc cc cc cc cc cc cc cc 48 b8 48 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <e8> db ff ff ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 66 66 2e 0f
RSP: 0000:fffffe56609d5000 EFLAGS: 00010097
RAX: fffffe56609d5008 RBX: 0000000000000000 RCX: ffffffffa7e01122
RDX: 0000000000000000 RSI: 0000000000000000 RDI: fffffe56609d50d8
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f0ebca58640(0000) GS:ffff9fd8edfc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffe56609d4ff8 CR3: 00000002588b8000 CR4: 0000000000350ef0
Call Trace:
 <#DF>
 ? srso_return_thunk+0x5/0x5f
 ? show_trace_log_lvl+0x26e/0x2df
 ? show_trace_log_lvl+0x26e/0x2df
 ? asm_exc_page_fault+0x9/0x30
 ? __die_body.cold+0x8/0xd
 ? die+0x2b/0x50
 ? handle_stack_overflow+0x49/0x60
 ? exc_double_fault+0x14b/0x180
 ? asm_exc_double_fault+0x1f/0x30
 ? restore_regs_and_return_to_kernel+0x22/0x22
 ? srso_safe_ret+0x20/0x20
 </#DF>
WARNING: stack recursion on stack type 5
Modules linked in: ...

Environment

  • Red Hat Enterprise Linux 9.5.z
  • VMware hypervisor

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content