A NULL pointer dereference crash occurs in do_sys_poll() due to a possible faulty hardware malfunction

Solution Unverified - Updated -

Issue

  • A NULL pointer dereference crash occurs in do_sys_poll() due to a possible faulty hardware malfunction
BUG: unable to handle kernel NULL pointer dereference at 0000000000000029
PGD 80a2b04067 P4D 0 
Oops: 0000 [#1] SMP NOPTI
CPU: 11 PID: 3347 Comm: tuned Kdump: loaded Not tainted 4.18.0-477.15.1.el8_8.x86_64 #1
Hardware name: Dell Inc. PowerEdge R650/xxxxxx, BIOS 1.13.2 12/19/2023
RIP: 0010:do_sys_poll+0x22a/0x570
Code: 48 83 e1 fc 0f 84 f0 01 00 00 45 0f b7 67 04 44 89 e0 25 ff 27 00 00 83 c8 18 41 89 c4 44 89 f0 44 09 e0 89 84 24 68 01 00 00 <48> 8b 41 28 48 8b 40 48 48 85 c0 0f 84 b5 01 00 00 4c 89 44 24 40
RSP: 0018:ff4ef2421d917af0 EFLAGS: 00010202
RAX: 000000000000001f RBX: ff4ef2421d917b50 RCX: ff30e40707438f00
RDX: ff30e40707438f38 RSI: 0000000000000004 RDI: ff30e40707438f00
RBP: ff4ef2421d917f00 R08: ff30e40707438f01 R09: 00000000000006c3
R10: 0000000000000000 R11: ffffffff930629a0 R12: 000000000000001f
R13: 0000000000000000 R14: 0000000000000000 R15: ff4ef2421d917bac
FS:  00007f64ceff1700(0000) GS:ff30e502ff140000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000029 CR3: 000000814a648002 CR4: 0000000000771ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
PKRU: 55555554
Call Trace:
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 ? compat_poll_select_copy_remaining+0x150/0x150
 __x64_sys_poll+0xa0/0x130
 do_syscall_64+0x5b/0x1b0
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f64e1706f41
Code: 00 41 54 41 89 d4 55 48 89 f5 53 48 89 fb 48 83 ec 10 e8 92 02 f0 ff 44 89 e2 48 89 ee 48 89 df 41 89 c0 b8 07 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 0c e8 cb 02 f0 ff 8b 44
RSP: 002b:00007f64ceff0350 EFLAGS: 00000293 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 00007f64c00639e0 RCX: 00007f64e1706f41
RDX: 00000000000003e8 RSI: 0000000000000060 RDI: 00007f64c00639e0
RBP: 0000000000000060 R08: 0000000000000000 R09: 0000000003c43240
R10: 0000000003c43240 R11: 0000000000000293 R12: 00000000000003e8
R13: 00007f64ceff1678 R14: 00007f64d7d2fbd0 R15: 000025b72383408a
Modules linked in: ...
CR2: 0000000000000029

Environment

  • Red Hat Enterprise Linux 8
  • Dell PowerEdge Servers

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