Bug#851641: reproduced on 3.16.36-1+deb8u2 too
[2048254.956923] PANIC: double fault, error_code: 0x0
[2048254.956950] CPU: 2 PID: 47295 Comm: parameter_serve Not tainted
3.16.0-4-amd64 #1 Debian 3.16.36-1+deb8u2
[2048254.956952] Hardware name: Inspur SA5248M4/X10DRT-PS, BIOS 2.01 11/21/2016
[2048254.956954] task: ffff883c8adfd330 ti: ffff883f37978000 task.ti:
ffff883f37978000
[2048254.956956] RIP: 0010:[<ffffffff81518598>] [<ffffffff81518598>]
sysret_check+0x1/0x4e
[2048254.956965] RSP: 0018:ffffffffffffffd8 EFLAGS: 00010217
[2048254.956967] RAX: 0000000000000000 RBX: 0000000094f87e00 RCX:
0000000000000000
[2048254.956969] RDX: ffff883f3797bfd8 RSI: ffff883f3797bd88 RDI:
ffff883f3a746040
[2048254.956970] RBP: 0000000000000000 R08: ffff883f37978000 R09:
000000000000b44a
[2048254.956972] R10: ffff887380ecd950 R11: 0000000000000000 R12:
00000000a0830978
[2048254.956973] R13: 00000000a08308c0 R14: 0000000000000001 R15:
00000000ffffffff
[2048254.956976] BUG: unable to handle kernel paging request at 00007f889cc59b08
[2048254.956979] IP: [<ffffffff8151858d>] system_call_fast_compare_end+0x10/0x15
[2048254.956981] PGD 17f4369067 PUD 0
[2048254.956983] Oops: 0010 [#1] SMP
[2048254.957022] Modules linked in: 8021q garp stp mrp llc
x86_pkg_temp_thermal coretemp kvm_intel iTCO_wdt kvm
iTCO_vendor_support crc32_pclmul ast aesni_intel ttm aes_x86_64
drm_kms_helper evdev lrw joydev gf128mul drm glue_helper ablk_helper
cryptd i2c_algo_bit pcspkr i2c_i801 mei_me lpc_ich shpchp mei i2c_core
mfd_core wmi tpm_tis tpm tcp_westwood ipmi_watchdog processor
thermal_sys acpi_power_meter acpi_pad button ipmi_si ipmi_poweroff
ipmi_devintf ipmi_msghandler autofs4 ext4 crc16 mbcache jbd2
hid_generic usbhid hid sg sd_mod crc_t10dif crct10dif_generic
crct10dif_pclmul crct10dif_common crc32c_intel ahci libahci ehci_pci
libata xhci_hcd ehci_hcd ixgbe dca usbcore ptp scsi_mod usb_common
pps_core mdio
[2048254.957025] CPU: 22 PID: 13422 Comm: parameter_serve Not tainted
3.16.0-4-amd64 #1 Debian 3.16.36-1+deb8u2
[2048254.957025] Hardware name: Inspur SA5248M4/X10DRT-PS, BIOS 2.01 11/21/2016
[2048254.957026] task: ffff8824c3923630 ti: ffff8818f6bf4000 task.ti:
ffff8818f6bf4000
[2048254.957030] RIP: 0010:[<ffffffff8151858d>] [<ffffffff8151858d>]
system_call_fast_compare_end+0x10/0x15
[2048254.957031] RSP: 0018:ffff8818f6bf7f88 EFLAGS: 00010286
[2048254.957031] RAX: 0000000000000000 RBX: 000000008003e3c0 RCX:
0000000000000000
[2048254.957032] RDX: ffff8818f6bf7fd8 RSI: ffff8818f6bf7d88 RDI:
ffff883f3b335b80
[2048254.957033] RBP: 0000000000000000 R08: ffff8818f6bf4000 R09:
0000000000000001
[2048254.957034] R10: 000000011e8bbe2b R11: 0000000000000293 R12:
0000000098e747b8
[2048254.957035] R13: 0000000098e74700 R14: 0000000000000001 R15:
00000000ffffffff
[2048254.957037] FS: 00007f045c800700(0000) GS:ffff88407fb00000(0000)
knlGS:0000000000000000
[2048254.957038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[2048254.957039] CR2: 00007f889cc59b08 CR3: 00000022c6b87000 CR4:
00000000003407e0
[2048254.957040] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[2048254.957041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[2048254.957041] Stack:
[2048254.957043] 0000000000000246 0000000000000000 000000001b1fbb0a
0000000046788200
[2048254.957045] 00000000000000ca 0000000001e37da0 00000000363f7615
0000000000000080
[2048254.957047] 000000008003e3d4 00000000000000ca 00007f047f73608f
0000000000000033
[2048254.957047] Call Trace:
[2048254.957070] Code: f7 84 24 88 c0 ff ff d1 01 08 10 0f 85 4b 01 00
00 48 3d ff 01 00 00 0f 1f 40 00 0f 87 c2 00 00 00 4c 89 d1 ff 14 c5
40 14 60 81 <48> 89 44 24 20 bf ff fe 08 10 fa 0f 1f 80 00 00 00 00 8b
94 24
[2048254.957072] RIP [<ffffffff8151858d>]
system_call_fast_compare_end+0x10/0x15
[2048254.957073] RSP <ffff8818f6bf7f88>
[2048254.957073] CR2: 00007f889cc59b08
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