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Date: Thu, 5 Dec 2019 14:14:54 +1030
From: Arthur Marsh <arthur.marsh@...ernode.on.net>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: SCSI development list <linux-scsi@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-cifs@...r.kernel.org,
"James E.J. Bottomley" <jejb@...ux.ibm.com>,
Arthur Marsh <arthur.marsh@...ernode.on.net>
Subject: refcount_t: underflow; use-after-free with CIFS umount after
scsi-misc commit ef2cc88e2a205b8a11a19e78db63a70d3728cdf5
Hi, I came across a problem when un-mounting CIFS mounts that bisected
back to the commit "[ef2cc88e2a205b8a11a19e78db63a70d3728cdf5] Merge tag
'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi".
I had been tracking down why Firefox was refusing to load some tabs, but
also noticed that CIFS umount operations at shutdown were giving the
dmesg output listed below.
If I booted in single user mode, then did the CIFS mount:
mount.cifs //192.168.1.104/homes homes -o
vers=2.1,credentials=/usr/local/bin/credentials
followed by
umount /mnt/homes
I still received the dmesg output "refcount_t: underflow;
use-after-free" with the first bad commit and not with the last good commit
The .config changed considerably when bisecting from the last good commit
"5.3.0+ [7807759e4ad8d46347a5d52a0910269320b81e65]"
to the first bad commit
"5.4.0+ [ef2cc88e2a205b8a11a19e78db63a70d3728cdf5]"
so I've attached the .config files as well
Kernel 5.4.0 did not have this problem.
Machine has a 4-core AMD Athlon(tm) II X4 640 Processor with 8GiB RAM.
Compiler: gcc (Debian 9.2.1-21) 9.2.1 20191130
git bisect start
# bad: [63de37476ebd1e9bab6a9e17186dc5aa1da9ea99] Merge tag
'tag-chrome-platform-for-v5.5' of
git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
git bisect bad 63de37476ebd1e9bab6a9e17186dc5aa1da9ea99
# good: [21b26d2679584c6a60e861aa3e5ca09a6bab0633] Merge tag
'5.5-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
git bisect good 21b26d2679584c6a60e861aa3e5ca09a6bab0633
# good: [a5255bc31673c72e264d837cd13cd3085d72cb58] Merge tag
'dmaengine-5.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma
git bisect good a5255bc31673c72e264d837cd13cd3085d72cb58
# bad: [97eeb4d9d755605385fa329da9afa38729f3413c] Merge tag
'xfs-5.5-merge-16' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
git bisect bad 97eeb4d9d755605385fa329da9afa38729f3413c
# good: [937d6eefc716a9071f0e3bada19200de1bb9d048] Merge tag 'docs-5.5a'
of git://git.lwn.net/linux
git bisect good 937d6eefc716a9071f0e3bada19200de1bb9d048
# good: [cef1538456ba1f965289c778c418460106d0c1c7] scsi: pm80xx:
Initialize variable used as return status
git bisect good cef1538456ba1f965289c778c418460106d0c1c7
# good: [b16be561876ed9b72dcb2bf8c48b30f573f63c1c] xfs: use unsigned int
for all size values in struct xfs_da_geometry
git bisect good b16be561876ed9b72dcb2bf8c48b30f573f63c1c
# good: [e8777b27ca8a6946bd69ad6a0f282e519c895e4b] xfs: avoid time_t in
user api
git bisect good e8777b27ca8a6946bd69ad6a0f282e519c895e4b
# bad: [9b326948c23908692d7dfe56ed149840d3829eaa] Merge tag
'firewire-update' of
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
git bisect bad 9b326948c23908692d7dfe56ed149840d3829eaa
# good: [aa5334c4f3014940f11bf876e919c956abef4089] scsi: scsi_debug:
num_tgts must be >= 0
git bisect good aa5334c4f3014940f11bf876e919c956abef4089
# good: [80647a89eaf3f2549741648f3230cd6ff68c23b4] scsi: target: core:
Release SPC-2 reservations when closing a session
git bisect good 80647a89eaf3f2549741648f3230cd6ff68c23b4
# good: [65309ef6b258f5a7b57c1033a82ba2aba5c434cc] scsi: bnx2fc: timeout
calculation invalid for bnx2fc_eh_abort()
git bisect good 65309ef6b258f5a7b57c1033a82ba2aba5c434cc
# good: [7807759e4ad8d46347a5d52a0910269320b81e65] firewire: core: code
cleanup after vm_map_pages_zero introduction
git bisect good 7807759e4ad8d46347a5d52a0910269320b81e65
# bad: [ef2cc88e2a205b8a11a19e78db63a70d3728cdf5] Merge tag 'scsi-misc'
of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
git bisect bad ef2cc88e2a205b8a11a19e78db63a70d3728cdf5
# first bad commit: [ef2cc88e2a205b8a11a19e78db63a70d3728cdf5] Merge tag
'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
git bisect bad
ef2cc88e2a205b8a11a19e78db63a70d3728cdf5 is the first bad commit
commit ef2cc88e2a205b8a11a19e78db63a70d3728cdf5
Merge: 937d6eefc716 65309ef6b258
Author: Linus Torvalds <torvalds@...ux-foundation.org>
Date: Mon Dec 2 13:37:02 2019 -0800
Merge tag 'scsi-misc' of
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This is mostly update of the usual drivers: aacraid, ufs, zfcp,
NCR5380, lpfc, qla2xxx, smartpqi, hisi_sas, target, mpt3sas, pm80xx
plus a whole load of minor updates and fixes.
The major core changes are Al Viro's reworking of sg's handling of
copy to/from user, Ming Lei's removal of the host busy counter to
avoid contention in the multiqueue case and Damien Le Moal's
fixing of
residual tracking across error handling"
* tag 'scsi-misc' of
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (251 commits)
scsi: bnx2fc: timeout calculation invalid for bnx2fc_eh_abort()
scsi: target: core: Fix a pr_debug() argument
scsi: iscsi: Don't send data to unbound connection
scsi: target: iscsi: Wait for all commands to finish before
freeing a session
scsi: target: core: Release SPC-2 reservations when closing a session
scsi: target: core: Document target_cmd_size_check()
scsi: bnx2i: fix potential use after free
Revert "scsi: qla2xxx: Fix memory leak when sending I/O fails"
scsi: NCR5380: Add disconnect_mask module parameter
scsi: NCR5380: Unconditionally clear ICR after do_abort()
scsi: NCR5380: Call scsi_set_resid() on command completion
scsi: scsi_debug: num_tgts must be >= 0
scsi: lpfc: use hdwq assigned cpu for allocation
scsi: arcmsr: fix indentation issues
scsi: qla4xxx: fix double free bug
scsi: pm80xx: Modified the logic to collect fatal dump
scsi: pm80xx: Tie the interrupt name to the module instance
scsi: pm80xx: Controller fatal error through sysfs
scsi: pm80xx: Do not request 12G sas speeds
scsi: pm80xx: Cleanup command when a reset times out
...
.../devicetree/bindings/ufs/ti,j721e-ufs.yaml | 68 ++
.../devicetree/bindings/ufs/ufshcd-pltfrm.txt | 1 +
Documentation/scsi/scsi_mid_low_api.txt | 3 +-
drivers/ata/pata_arasan_cf.c | 1 -
drivers/s390/scsi/Makefile | 2 +-
drivers/s390/scsi/zfcp_aux.c | 12 +-
drivers/s390/scsi/zfcp_dbf.c | 8 +-
drivers/s390/scsi/zfcp_def.h | 4 +-
drivers/s390/scsi/zfcp_diag.c | 305 +++++++
drivers/s390/scsi/zfcp_diag.h | 101 +++
drivers/s390/scsi/zfcp_erp.c | 4 +-
drivers/s390/scsi/zfcp_ext.h | 1 +
drivers/s390/scsi/zfcp_fsf.c | 73 +-
drivers/s390/scsi/zfcp_fsf.h | 21 +-
drivers/s390/scsi/zfcp_scsi.c | 4 +-
drivers/s390/scsi/zfcp_sysfs.c | 170 +++-
drivers/scsi/NCR5380.c | 37 +-
drivers/scsi/aacraid/aachba.c | 11 +-
drivers/scsi/aacraid/aacraid.h | 23 +-
drivers/scsi/aacraid/comminit.c | 5 +
drivers/scsi/aacraid/commsup.c | 21 +-
drivers/scsi/aacraid/linit.c | 35 +-
drivers/scsi/aacraid/src.c | 10 +
drivers/scsi/arcmsr/arcmsr_hba.c | 6 +-
drivers/scsi/arm/acornscsi.c | 4 +-
drivers/scsi/atari_scsi.c | 6 +-
drivers/scsi/atp870u.c | 2 +-
drivers/scsi/bfa/bfad.c | 3 +-
drivers/scsi/bfa/bfad_attr.c | 4 +-
drivers/scsi/bnx2fc/57xx_hsi_bnx2fc.h | 2 +-
drivers/scsi/bnx2fc/bnx2fc_io.c | 2 +-
drivers/scsi/bnx2i/bnx2i_iscsi.c | 2 +-
drivers/scsi/csiostor/csio_hw.c | 20 +-
drivers/scsi/csiostor/csio_init.c | 7 +-
drivers/scsi/csiostor/csio_lnode.c | 18 +-
drivers/scsi/csiostor/csio_mb.c | 2 +-
drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 2 -
drivers/scsi/cxgbi/libcxgbi.c | 28 -
drivers/scsi/cxlflash/main.c | 2 -
drivers/scsi/esas2r/esas2r_flash.c | 1 +
drivers/scsi/fnic/fnic_scsi.c | 3 +-
drivers/scsi/fnic/vnic_dev.c | 2 +-
drivers/scsi/hisi_sas/hisi_sas.h | 67 +-
drivers/scsi/hisi_sas/hisi_sas_main.c | 376 +++++---
drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 6 +-
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 13 +-
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 30 +-
drivers/scsi/hosts.c | 19 +-
drivers/scsi/ips.c | 2 +-
drivers/scsi/isci/port_config.c | 2 +-
drivers/scsi/isci/remote_device.c | 2 +-
drivers/scsi/iscsi_tcp.c | 8 +
drivers/scsi/lpfc/lpfc.h | 40 +-
drivers/scsi/lpfc/lpfc_attr.c | 298 +++++--
drivers/scsi/lpfc/lpfc_bsg.c | 18 +-
drivers/scsi/lpfc/lpfc_crtn.h | 7 +
drivers/scsi/lpfc/lpfc_ct.c | 28 +-
drivers/scsi/lpfc/lpfc_debugfs.c | 118 ++-
drivers/scsi/lpfc/lpfc_els.c | 57 +-
drivers/scsi/lpfc/lpfc_hbadisc.c | 200 +++--
drivers/scsi/lpfc/lpfc_hw4.h | 31 +-
drivers/scsi/lpfc/lpfc_init.c | 954
++++++++++++++++-----
drivers/scsi/lpfc/lpfc_logmsg.h | 17 +
drivers/scsi/lpfc/lpfc_mbox.c | 1 +
drivers/scsi/lpfc/lpfc_mem.c | 3 -
drivers/scsi/lpfc/lpfc_nportdisc.c | 149 +++-
drivers/scsi/lpfc/lpfc_nvme.c | 85 +-
drivers/scsi/lpfc/lpfc_nvmet.c | 103 +--
drivers/scsi/lpfc/lpfc_nvmet.h | 2 -
drivers/scsi/lpfc/lpfc_scsi.c | 43 +-
drivers/scsi/lpfc/lpfc_sli.c | 391 +++++++--
drivers/scsi/lpfc/lpfc_sli.h | 3 +-
drivers/scsi/lpfc/lpfc_sli4.h | 42 +-
drivers/scsi/lpfc/lpfc_version.h | 2 +-
drivers/scsi/mac_scsi.c | 2 +-
drivers/scsi/megaraid/megaraid_sas.h | 3 +
drivers/scsi/megaraid/megaraid_sas_base.c | 8 +-
drivers/scsi/megaraid/megaraid_sas_fp.c | 7 +-
drivers/scsi/mpt3sas/mpt3sas_base.c | 36 +-
drivers/scsi/mpt3sas/mpt3sas_base.h | 15 +-
drivers/scsi/mpt3sas/mpt3sas_ctl.c | 344 +++++++-
drivers/scsi/mpt3sas/mpt3sas_ctl.h | 9 +
drivers/scsi/mpt3sas/mpt3sas_scsih.c | 4 +-
drivers/scsi/mpt3sas/mpt3sas_trigger_diag.c | 12 +-
drivers/scsi/mvsas/mv_sas.c | 2 +-
drivers/scsi/ncr53c8xx.c | 2 +-
drivers/scsi/nsp32.c | 2 +-
drivers/scsi/pcmcia/Kconfig | 2 +-
drivers/scsi/pcmcia/nsp_cs.c | 2 -
drivers/scsi/pm8001/pm8001_ctl.c | 20 +
drivers/scsi/pm8001/pm8001_hwi.c | 131 ++-
drivers/scsi/pm8001/pm8001_init.c | 36 +-
drivers/scsi/pm8001/pm8001_sas.c | 70 +-
drivers/scsi/pm8001/pm8001_sas.h | 24 +-
drivers/scsi/pm8001/pm80xx_hwi.c | 451 +++++++---
drivers/scsi/pm8001/pm80xx_hwi.h | 3 +
drivers/scsi/qedf/qedf_dbg.h | 2 +-
drivers/scsi/qedf/qedf_main.c | 8 +
drivers/scsi/qedi/qedi_dbg.h | 2 +-
drivers/scsi/qla2xxx/qla_attr.c | 4 +-
drivers/scsi/qla2xxx/qla_def.h | 34 +-
drivers/scsi/qla2xxx/qla_fw.h | 2 +
drivers/scsi/qla2xxx/qla_gbl.h | 1 +
drivers/scsi/qla2xxx/qla_gs.c | 66 +-
drivers/scsi/qla2xxx/qla_init.c | 140 +--
drivers/scsi/qla2xxx/qla_inline.h | 12 +
drivers/scsi/qla2xxx/qla_iocb.c | 106 ++-
drivers/scsi/qla2xxx/qla_isr.c | 36 +-
drivers/scsi/qla2xxx/qla_mbx.c | 15 +-
drivers/scsi/qla2xxx/qla_mid.c | 11 +-
drivers/scsi/qla2xxx/qla_nvme.c | 4 +-
drivers/scsi/qla2xxx/qla_os.c | 174 ++--
drivers/scsi/qla2xxx/qla_target.c | 2 +-
drivers/scsi/qla2xxx/qla_tmpl.c | 29 +-
drivers/scsi/qla2xxx/qla_version.h | 2 +-
drivers/scsi/qla4xxx/ql4_mbx.c | 3 -
drivers/scsi/scsi.c | 6 +-
drivers/scsi/scsi_debug.c | 9 +-
drivers/scsi/scsi_lib.c | 45 +-
drivers/scsi/scsi_logging.c | 10 +-
drivers/scsi/scsi_priv.h | 2 +-
drivers/scsi/scsi_sysfs.c | 22 +-
drivers/scsi/scsi_trace.c | 124 +--
drivers/scsi/sd.c | 4 +
drivers/scsi/sg.c | 91 +-
drivers/scsi/smartpqi/smartpqi.h | 77 +-
drivers/scsi/smartpqi/smartpqi_init.c | 437 ++++++----
drivers/scsi/smartpqi/smartpqi_sas_transport.c | 22 +-
drivers/scsi/sun3_scsi.c | 4 +-
drivers/scsi/ufs/Kconfig | 10 +
drivers/scsi/ufs/Makefile | 1 +
drivers/scsi/ufs/ti-j721e-ufs.c | 90 ++
drivers/scsi/ufs/ufs-hisi.c | 5 +-
drivers/scsi/ufs/ufs-mediatek.c | 3 +
drivers/scsi/ufs/ufs-qcom.c | 53 ++
drivers/scsi/ufs/ufs-qcom.h | 3 +
drivers/scsi/ufs/ufs-sysfs.c | 15 +-
drivers/scsi/ufs/ufs_bsg.c | 1 +
drivers/scsi/ufs/ufshcd-dwc.c | 2 +-
drivers/scsi/ufs/ufshcd-pltfrm.c | 1 -
drivers/scsi/ufs/ufshcd.c | 214 +++--
drivers/scsi/ufs/ufshcd.h | 12 +
drivers/scsi/ufs/ufshci.h | 2 +-
drivers/scsi/zorro_esp.c | 11 +-
drivers/target/iscsi/cxgbit/cxgbit_ddp.c | 3 -
drivers/target/iscsi/iscsi_target.c | 24 +-
drivers/target/iscsi/iscsi_target_auth.c | 232 +++--
drivers/target/iscsi/iscsi_target_auth.h | 17 +-
drivers/target/iscsi/iscsi_target_parameters.h | 3 -
drivers/target/target_core_fabric_lib.c | 2 +-
drivers/target/target_core_tpg.c | 12 -
drivers/target/target_core_transport.c | 28 +
drivers/target/target_core_user.c | 6 +-
drivers/target/target_core_xcopy.c | 1 -
drivers/usb/storage/ene_ub6250.c | 2 +-
drivers/usb/storage/transport.c | 3 +-
drivers/usb/storage/uas.c | 1 -
include/scsi/iscsi_proto.h | 1 +
include/scsi/scsi_cmnd.h | 5 +-
include/scsi/scsi_device.h | 5 +-
include/scsi/scsi_host.h | 19 +-
include/target/target_core_base.h | 1 -
include/uapi/linux/chio.h | 11 +-
163 files changed, 5656 insertions(+), 1987 deletions(-)
create mode 100644 Documentation/devicetree/bindings/ufs/ti,j721e-ufs.yaml
create mode 100644 drivers/s390/scsi/zfcp_diag.c
create mode 100644 drivers/s390/scsi/zfcp_diag.h
create mode 100644 drivers/scsi/ufs/ti-j721e-ufs.c
[ 690.077830] ------------[ cut here ]------------
[ 690.077894] refcount_t: underflow; use-after-free.
[ 690.077936] WARNING: CPU: 3 PID: 5402 at lib/refcount.c:28
refcount_warn_saturate+0xa7/0xf0
[ 690.077976] Modules linked in: md4 sha512_generic cmac nls_utf8 cifs
libdes libarc4 dns_resolver fscache bnep bluetooth hmac drbg ansi_cprng
ecdh_generic ecc nfc rfkill snd_hrtimer cpufreq_userspace
cpufreq_conservative cpufreq_powersave binfmt_misc fuse max6650
hwmon_vid ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp
libiscsi_tcp libiscsi scsi_transport_iscsi parport_pc ppdev lp parport
edac_mce_amd snd_emu10k1_synth snd_hda_codec_hdmi snd_emux_synth
snd_seq_midi_emul snd_seq_virmidi snd_seq_midi snd_seq_midi_event
kvm_amd snd_seq snd_hda_intel ccp snd_intel_dspcfg snd_emu10k1
snd_hda_codec radeon snd_util_mem snd_ac97_codec snd_hda_core ac97_bus
snd_rawmidi snd_hwdep snd_seq_device snd_pcm_oss ttm snd_mixer_oss
rng_core kvm snd_pcm drm_kms_helper drm snd_timer irqbypass snd
i2c_algo_bit soundcore wmi_bmof fb_sys_fops syscopyarea sysfillrect
sysimgblt k10temp evdev pcspkr emu10k1_gp gameport serio_raw
acpi_cpufreq asus_atk0110 sp5100_tco wmi button ext4 crc16 mbcache jbd2
btrfs
[ 690.078010] xor zstd_decompress zstd_compress raid6_pq libcrc32c
crc32c_generic hid_generic usbhid hid sg sr_mod cdrom sd_mod ata_generic
uas usb_storage ohci_pci firewire_ohci ahci libahci pata_atiixp
firewire_core crc_itu_t libata ehci_pci ohci_hcd i2c_piix4 ehci_hcd
scsi_mod r8169 realtek usbcore libphy
[ 690.078549] CPU: 3 PID: 5402 Comm: umount Not tainted 5.4.0+ #3676
[ 690.078579] Hardware name: System manufacturer System Product
Name/M3A78 PRO, BIOS 1701 01/27/2011
[ 690.078625] RIP: 0010:refcount_warn_saturate+0xa7/0xf0
[ 690.078651] Code: 05 81 ec d2 00 01 e8 38 bc cb ff 0f 0b c3 80 3d 6f
ec d2 00 00 75 94 48 c7 c7 38 33 86 9e c6 05 5f ec d2 00 01 e8 19 bc cb
ff <0f> 0b c3 80 3d 4e ec d2 00 00 0f 85 71 ff ff ff 48 c7 c7 90 33 86
[ 690.078738] RSP: 0018:ffffac82c1cbfd50 EFLAGS: 00010282
[ 690.078764] RAX: 0000000000000000 RBX: ffff9e12dfe78ed8 RCX:
0000000000000006
[ 690.078798] RDX: 0000000000000007 RSI: 0000000000000096 RDI:
ffff9e12e7cd88f0
[ 690.078832] RBP: ffff9e12dfe78ee8 R08: 000000000000039c R09:
ffff9e12deae4940
[ 690.078866] R10: 0000000000aaaaaa R11: 0000000000000000 R12:
000000000000001c
[ 690.081634] R13: ffff9e12dff9b000 R14: 0000000000000000 R15:
ffff9e12de774780
[ 690.084396] FS: 00007ff5551cc080(0000) GS:ffff9e12e7cc0000(0000)
knlGS:0000000000000000
[ 690.087180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 690.089975] CR2: 0000561df46bf058 CR3: 000000021e5dc000 CR4:
00000000000006e0
[ 690.092793] Call Trace:
[ 690.095750] close_shroot+0x86/0xc0 [cifs]
[ 690.098580] SMB2_tdis+0xa3/0x1b0 [cifs]
[ 690.101377] ? del_timer+0x54/0x80
[ 690.104157] ? __cancel_work_timer+0x120/0x1b0
[ 690.106947] cifs_put_tcon.part.0+0xbd/0x210 [cifs]
[ 690.109731] cifs_put_tlink+0x45/0x60 [cifs]
[ 690.112505] cifs_umount+0x52/0xc0 [cifs]
[ 690.115245] deactivate_locked_super+0x3b/0x90
[ 690.117978] cleanup_mnt+0x104/0x160
[ 690.120697] task_work_run+0x84/0xa0
[ 690.123403] do_syscall_64+0x3b6/0x410
[ 690.126104] ? do_user_addr_fault+0x206/0x4c0
[ 690.128807] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 690.131507] RIP: 0033:0x7ff555423307
[ 690.134197] Code: eb 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44
00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f
05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 59 eb 0b 00 f7 d8 64 89 01 48
[ 690.136988] RSP: 002b:00007ffc50e1c8f8 EFLAGS: 00000246 ORIG_RAX:
00000000000000a6
[ 690.139763] RAX: 0000000000000000 RBX: 0000000000000000 RCX:
00007ff555423307
[ 690.142534] RDX: 0000561df46b86d8 RSI: 0000000000000000 RDI:
0000561df46bf300
[ 690.145291] RBP: 00007ffc50e1c930 R08: 0000000000000001 R09:
00007ffc50e1b6b0
[ 690.148043] R10: fffffffffffff11b R11: 0000000000000246 R12:
0000561df40e3660
[ 690.150783] R13: 00007ffc50e1db20 R14: 0000000000000000 R15:
0000000000000000
[ 690.153513] ---[ end trace 1dba57f292a4b0d2 ]---
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