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Message #30590
[Bug 1825780] Re: Kprobe event string type argument failed in ftrace from ubuntu_kernel_selftests on B/C i386
This bug was fixed in the package linux - 4.4.0-150.176
---------------
linux (4.4.0-150.176) xenial; urgency=medium
* linux: 4.4.0-150.176 -proposed tracker (LP: #1830941)
* glibc 2.23-0ubuntu11 ADT test failure with linux 4.4.0-149.175
(LP: #1830890)
- x86/vdso: Pass --eh-frame-hdr to the linker
linux (4.4.0-149.175) xenial; urgency=medium
* linux: 4.4.0-149.175 -proposed tracker (LP: #1829209)
* disable a.out support (LP: #1818552)
- [Config] Disable a.out support
* autopkgtests run too often, too much and don't skip enough (LP: #1823056)
- [Debian] Set +x on rebuild testcase.
- [Debian] Skip rebuild test, for regression-suite deps.
- [Debian] Make ubuntu-regression-suite skippable on unbootable kernels.
- [Debian] make rebuild use skippable error codes when skipping.
- [Debian] Only run regression-suite, if requested to.
* Xenial update: 4.4.179 upstream stable release (LP: #1828420)
- arm64: debug: Don't propagate UNKNOWN FAR into si_code for debug signals
- arm64: debug: Ensure debug handlers check triggering exception level
- ext4: cleanup bh release code in ext4_ind_remove_space()
- lib/int_sqrt: optimize initial value compute
- tty/serial: atmel: Add is_half_duplex helper
- mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
- i2c: core-smbus: prevent stack corruption on read I2C_BLOCK_DATA
- Bluetooth: Fix decrementing reference count twice in releasing socket
- tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped
- CIFS: fix POSIX lock leak and invalid ptr deref
- h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
- tracing: kdb: Fix ftdump to not sleep
- gpio: gpio-omap: fix level interrupt idling
- sysctl: handle overflow for file-max
- enic: fix build warning without CONFIG_CPUMASK_OFFSTACK
- mm/cma.c: cma_declare_contiguous: correct err handling
- mm/page_ext.c: fix an imbalance with kmemleak
- mm/vmalloc.c: fix kernel BUG at mm/vmalloc.c:512!
- mm/slab.c: kmemleak no scan alien caches
- ocfs2: fix a panic problem caused by o2cb_ctl
- f2fs: do not use mutex lock in atomic context
- fs/file.c: initialize init_files.resize_wait
- cifs: use correct format characters
- dm thin: add sanity checks to thin-pool and external snapshot creation
- cifs: Fix NULL pointer dereference of devname
- fs: fix guard_bio_eod to check for real EOD errors
- tools lib traceevent: Fix buffer overflow in arg_eval
- usb: chipidea: Grab the (legacy) USB PHY by phandle first
- scsi: core: replace GFP_ATOMIC with GFP_KERNEL in scsi_scan.c
- coresight: etm4x: Add support to enable ETMv4.2
- ARM: 8840/1: use a raw_spinlock_t in unwind
- mmc: omap: fix the maximum timeout setting
- e1000e: Fix -Wformat-truncation warnings
- IB/mlx4: Increase the timeout for CM cache
- scsi: megaraid_sas: return error when create DMA pool failed
- perf test: Fix failure of 'evsel-tp-sched' test on s390
- SoC: imx-sgtl5000: add missing put_device()
- media: sh_veu: Correct return type for mem2mem buffer helpers
- media: s5p-jpeg: Correct return type for mem2mem buffer helpers
- media: s5p-g2d: Correct return type for mem2mem buffer helpers
- media: mx2_emmaprp: Correct return type for mem2mem buffer helpers
- leds: lp55xx: fix null deref on firmware load failure
- kprobes: Prohibit probing on bsearch()
- ARM: 8833/1: Ensure that NEON code always compiles with Clang
- ALSA: PCM: check if ops are defined before suspending PCM
- bcache: fix input overflow to cache set sysfs file io_error_halflife
- bcache: fix input overflow to sequential_cutoff
- bcache: improve sysfs_strtoul_clamp()
- fbdev: fbmem: fix memory access if logo is bigger than the screen
- cdrom: Fix race condition in cdrom_sysctl_register
- ASoC: fsl-asoc-card: fix object reference leaks in fsl_asoc_card_probe
- soc: qcom: gsbi: Fix error handling in gsbi_probe()
- mt7601u: bump supported EEPROM version
- ARM: avoid Cortex-A9 livelock on tight dmb loops
- tty: increase the default flip buffer limit to 2*640K
- media: mt9m111: set initial frame size other than 0x0
- hwrng: virtio - Avoid repeated init of completion
- soc/tegra: fuse: Fix illegal free of IO base address
- hpet: Fix missing '=' character in the __setup() code of hpet_mmap_enable
- dmaengine: imx-dma: fix warning comparison of distinct pointer types
- netfilter: physdev: relax br_netfilter dependency
- media: s5p-jpeg: Check for fmt_ver_flag when doing fmt enumeration
- regulator: act8865: Fix act8600_sudcdc_voltage_ranges setting
- wlcore: Fix memory leak in case wl12xx_fetch_firmware failure
- x86/build: Mark per-CPU symbols as absolute explicitly for LLD
- dmaengine: tegra: avoid overflow of byte tracking
- drm/dp/mst: Configure no_stop_bit correctly for remote i2c xfers
- binfmt_elf: switch to new creds when switching to new mm
- kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LD
- x86/build: Specify elf_i386 linker emulation explicitly for i386 objects
- x86: vdso: Use $LD instead of $CC to link
- x86/vdso: Drop implicit common-page-size linker flag
- lib/string.c: implement a basic bcmp
- tty: mark Siemens R3964 line discipline as BROKEN
- [Config]: remove CONFIG_R3964
- [Config]: add CONFIG_LDISC_AUTOLOAD=y
- tty: ldisc: add sysctl to prevent autoloading of ldiscs
- ipv6: Fix dangling pointer when ipv6 fragment
- ipv6: sit: reset ip header pointer in ipip6_rcv
- net: rds: force to destroy connection if t_sock is NULL in
rds_tcp_kill_sock().
- qmi_wwan: add Olicard 600
- sctp: initialize _pad of sockaddr_in before copying to user memory
- tcp: Ensure DCTCP reacts to losses
- netns: provide pure entropy for net_hash_mix()
- net: ethtool: not call vzalloc for zero sized memory request
- ip6_tunnel: Match to ARPHRD_TUNNEL6 for dev type
- ALSA: seq: Fix OOB-reads from strlcpy
- include/linux/bitrev.h: fix constant bitrev
- ASoC: fsl_esai: fix channel swap issue when stream starts
- block: do not leak memory in bio_copy_user_iov()
- genirq: Respect IRQCHIP_SKIP_SET_WAKE in irq_chip_set_wake_parent()
- ARM: dts: at91: Fix typo in ISC_D0 on PC9
- arm64: futex: Fix FUTEX_WAKE_OP atomic ops with non-zero result value
- xen: Prevent buffer overflow in privcmd ioctl
- sched/fair: Do not re-read ->h_load_next during hierarchical load
calculation
- xtensa: fix return_address
- PCI: Add function 1 DMA alias quirk for Marvell 9170 SATA controller
- perf/core: Restore mmap record type correctly
- ext4: add missing brelse() in add_new_gdb_meta_bg()
- ext4: report real fs size after failed resize
- ALSA: echoaudio: add a check for ioremap_nocache
- ALSA: sb8: add a check for request_region
- IB/mlx4: Fix race condition between catas error reset and aliasguid flows
- mmc: davinci: remove extraneous __init annotation
- ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition and
declaration
- thermal/int340x_thermal: Add additional UUIDs
- thermal/int340x_thermal: fix mode setting
- tools/power turbostat: return the exit status of a command
- perf top: Fix error handling in cmd_top()
- perf evsel: Free evsel->counts in perf_evsel__exit()
- perf tests: Fix a memory leak of cpu_map object in the
openat_syscall_event_on_all_cpus test
- perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test()
- x86/hpet: Prevent potential NULL pointer dereference
- x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors
- iommu/vt-d: Check capability before disabling protected memory
- x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return
an error
- fix incorrect error code mapping for OBJECTID_NOT_FOUND
- ext4: prohibit fstrim in norecovery mode
- rsi: improve kernel thread handling to fix kernel panic
- 9p: do not trust pdu content for stat item size
- 9p locks: add mount option for lock retry interval
- f2fs: fix to do sanity check with current segment number
- serial: uartps: console_setup() can't be placed to init section
- ARM: samsung: Limit SAMSUNG_PM_CHECK config option to non-Exynos platforms
- ACPI / SBS: Fix GPE storm on recent MacBookPro's
- cifs: fallback to older infolevels on findfirst queryinfo retry
- crypto: sha256/arm - fix crash bug in Thumb2 build
- crypto: sha512/arm - fix crash bug in Thumb2 build
- iommu/dmar: Fix buffer overflow during PCI bus notification
- ARM: 8839/1: kprobe: make patch_lock a raw_spinlock_t
- appletalk: Fix use-after-free in atalk_proc_exit
- lib/div64.c: off by one in shift
- include/linux/swap.h: use offsetof() instead of custom __swapoffset macro
- tpm/tpm_crb: Avoid unaligned reads in crb_recv()
- ovl: fix uid/gid when creating over whiteout
- appletalk: Fix compile regression
- bonding: fix event handling for stacked bonds
- net: atm: Fix potential Spectre v1 vulnerabilities
- net: bridge: multicast: use rcu to access port list from
br_multicast_start_querier
- net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv
- tcp: tcp_grow_window() needs to respect tcp_space()
- ipv4: recompile ip options in ipv4_link_failure
- ipv4: ensure rcu_read_lock() in ipv4_link_failure()
- crypto: crypto4xx - properly set IV after de- and encrypt
- modpost: file2alias: go back to simple devtable lookup
- modpost: file2alias: check prototype of handler
- tpm/tpm_i2c_atmel: Return -E2BIG when the transfer is incomplete
- KVM: x86: Don't clear EFER during SMM transitions for 32-bit vCPU
- iio/gyro/bmg160: Use millidegrees for temperature scale
- iio: ad_sigma_delta: select channel when reading register
- iio: adc: at91: disable adc channel interrupt in timeout case
- io: accel: kxcjk1013: restore the range after resume.
- staging: comedi: vmk80xx: Fix use of uninitialized semaphore
- staging: comedi: vmk80xx: Fix possible double-free of ->usb_rx_buf
- staging: comedi: ni_usb6501: Fix use of uninitialized mutex
- staging: comedi: ni_usb6501: Fix possible double-free of ->usb_rx_buf
- ALSA: core: Fix card races between register and disconnect
- crypto: x86/poly1305 - fix overflow during partial reduction
- arm64: futex: Restore oldval initialization to work around buggy compilers
- x86/kprobes: Verify stack frame on kretprobe
- kprobes: Mark ftrace mcount handler functions nokprobe
- kprobes: Fix error check when reusing optimized probes
- mac80211: do not call driver wake_tx_queue op during reconfig
- Revert "kbuild: use -Oz instead of -Os when using clang"
- sched/fair: Limit sched_cfs_period_timer() loop to avoid hard lockup
- device_cgroup: fix RCU imbalance in error case
- mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y
CONFIG_SMP=n
- ALSA: info: Fix racy addition/deletion of nodes
- Revert "locking/lockdep: Add debug_locks check in __lock_downgrade()"
- kernel/sysctl.c: fix out-of-bounds access when setting file-max
- Linux 4.4.179
* Xenial update: 4.4.178 upstream stable release (LP: #1826212)
- mmc: pxamci: fix enum type confusion
- drm/vmwgfx: Don't double-free the mode stored in par->set_mode
- udf: Fix crash on IO error during truncate
- mips: loongson64: lemote-2f: Add IRQF_NO_SUSPEND to "cascade" irqaction.
- MIPS: Fix kernel crash for R6 in jump label branch function
- futex: Ensure that futex address is aligned in handle_futex_death()
- ext4: fix NULL pointer dereference while journal is aborted
- ext4: fix data corruption caused by unaligned direct AIO
- ext4: brelse all indirect buffer in ext4_ind_remove_space()
- mmc: tmio_mmc_core: don't claim spurious interrupts
- media: v4l2-ctrls.c/uvc: zero v4l2_event
- locking/lockdep: Add debug_locks check in __lock_downgrade()
- ALSA: hda - Record the current power state before suspend/resume calls
- ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec
- mmc: pwrseq_simple: Make reset-gpios optional to match doc
- mmc: debugfs: Add a restriction to mmc debugfs clock setting
- mmc: make MAN_BKOPS_EN message a debug
- mmc: sanitize 'bus width' in debug output
- mmc: core: shut up "voltage-ranges unspecified" pr_info()
- usb: dwc3: gadget: Fix suspend/resume during device mode
- arm64: mm: Add trace_irqflags annotations to do_debug_exception()
- mmc: core: fix using wrong io voltage if mmc_select_hs200 fails
- mm/rmap: replace BUG_ON(anon_vma->degree) with VM_WARN_ON
- extcon: usb-gpio: Don't miss event during suspend/resume
- kbuild: setlocalversion: print error to STDERR
- usb: gadget: composite: fix dereference after null check coverify warning
- usb: gadget: Add the gserial port checking in gs_start_tx()
- tcp/dccp: drop SYN packets if accept queue is full
- serial: sprd: adjust TIMEOUT to a big value
- Hang/soft lockup in d_invalidate with simultaneous calls
- arm64: traps: disable irq in die()
- usb: renesas_usbhs: gadget: fix unused-but-set-variable warning
- serial: sprd: clear timeout interrupt only rather than all interrupts
- lib/int_sqrt: optimize small argument
- USB: core: only clean up what we allocated
- rtc: Fix overflow when converting time64_t to rtc_time
- ath10k: avoid possible string overflow
- mmc: block: Allow more than 8 partitions per card
- arm64: fix COMPAT_SHMLBA definition for large pages
- efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
- ARM: 8458/1: bL_switcher: add GIC dependency
- ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
- android: unconditionally remove callbacks in sync_fence_free()
- vmstat: make vmstat_updater deferrable again and shut down on idle
- hid-sensor-hub.c: fix wrong do_div() usage
- arm64: hide __efistub_ aliases from kallsyms
- perf: Synchronously free aux pages in case of allocation failure
- net: diag: support v4mapped sockets in inet_diag_find_one_icsk()
- Revert "mmc: block: don't use parameter prefix if built as module"
- writeback: initialize inode members that track writeback history
- coresight: fixing lockdep error
- coresight: coresight_unregister() function cleanup
- coresight: release reference taken by 'bus_find_device()'
- coresight: remove csdev's link from topology
- stm class: Fix locking in unbinding policy path
- stm class: Fix link list locking
- stm class: Prevent user-controllable allocations
- stm class: Support devices with multiple instances
- stm class: Fix unlocking braino in the error path
- stm class: Guard output assignment against concurrency
- stm class: Fix unbalanced module/device refcounting
- stm class: Fix a race in unlinking
- coresight: "DEVICE_ATTR_RO" should defined as static.
- coresight: etm4x: Check every parameter used by dma_xx_coherent.
- asm-generic: Fix local variable shadow in __set_fixmap_offset
- staging: ashmem: Avoid deadlock with mmap/shrink
- staging: ashmem: Add missing include
- staging: ion: Set minimum carveout heap allocation order to PAGE_SHIFT
- staging: goldfish: audio: fix compiliation on arm
- ARM: 8510/1: rework ARM_CPU_SUSPEND dependencies
- arm64/kernel: fix incorrect EL0 check in inv_entry macro
- mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
- perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count
drops
- arm64: kernel: Include _AC definition in page.h
- PM / Hibernate: Call flush_icache_range() on pages restored in-place
- stm class: Do not leak the chrdev in error path
- stm class: Fix stm device initialization order
- ipv6: fix endianness error in icmpv6_err
- usb: gadget: configfs: add mutex lock before unregister gadget
- usb: gadget: rndis: free response queue during REMOTE_NDIS_RESET_MSG
- cpu/hotplug: Handle unbalanced hotplug enable/disable
- video: fbdev: Set pixclock = 0 in goldfishfb
- arm64: kconfig: drop CONFIG_RTC_LIB dependency
- mmc: mmc: fix switch timeout issue caused by jiffies precision
- cfg80211: size various nl80211 messages correctly
- stmmac: copy unicast mac address to MAC registers
- dccp: do not use ipv6 header for ipv4 flow
- mISDN: hfcpci: Test both vendor & device ID for Digium HFC4S
- net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec
- net: rose: fix a possible stack overflow
- Add hlist_add_tail_rcu() (Merge
git://git.kernel.org/pub/scm/linux/kernel/git/davem/net)
- packets: Always register packet sk in the same order
- tcp: do not use ipv6 header for ipv4 flow
- vxlan: Don't call gro_cells_destroy() before device is unregistered
- sctp: get sctphdr by offset in sctp_compute_cksum
- mac8390: Fix mmio access size probe
- btrfs: remove WARN_ON in log_dir_items
- ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
- ALSA: compress: add support for 32bit calls in a 64bit kernel
- ALSA: pcm: Fix possible OOB access in PCM oss plugins
- ALSA: pcm: Don't suspend stream in unrecoverable PCM state
- scsi: sd: Fix a race between closing an sd device and sd I/O
- scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
- scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP
devices
- tty: atmel_serial: fix a potential NULL pointer dereference
- staging: vt6655: Remove vif check from vnt_interrupt
- staging: vt6655: Fix interrupt race condition on device start up.
- serial: max310x: Fix to avoid potential NULL pointer dereference
- serial: sh-sci: Fix setting SCSCR_TIE while transferring data
- USB: serial: cp210x: add new device id
- USB: serial: ftdi_sio: add additional NovaTech products
- USB: serial: mos7720: fix mos_parport refcount imbalance on error path
- USB: serial: option: set driver_info for SIM5218 and compatibles
- USB: serial: option: add Olicard 600
- Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
- fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
- gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
- perf intel-pt: Fix TSC slip
- x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
- KVM: Reject device ioctls from processes other than the VM's creator
- xhci: Fix port resume done detection for SS ports with LPM enabled
- Revert "USB: core: only clean up what we allocated"
- arm64: support keyctl() system call in 32-bit mode
- coresight: removing bind/unbind options from sysfs
- stm class: Hide STM-specific options if STM is disabled
- Linux 4.4.178
* Kprobe event string type argument failed in ftrace from
ubuntu_kernel_selftests on B/C i386 (LP: #1825780)
- selftests/ftrace: Fix kprobe string testcase to not probe notrace function
* False positive test result in run_netsocktests from net in
ubuntu_kernel_selftest (LP: #1825777)
- selftests/net: correct the return value for run_netsocktests
-- Khalid Elmously <khalid.elmously@xxxxxxxxxxxxx> Wed, 29 May 2019
14:23:25 -0400
** Changed in: linux (Ubuntu Xenial)
Status: Fix Committed => Fix Released
--
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https://bugs.launchpad.net/bugs/1825780
Title:
Kprobe event string type argument failed in ftrace from
ubuntu_kernel_selftests on B/C i386
Status in ubuntu-kernel-tests:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Released
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Cosmic:
Fix Released
Bug description:
== Justification ==
When running the ftrace in ubunut_kernel_selftests, the "Kprobe event string type argument" test will fail on Bionic / Cosmic i386:
[22] Kprobe event string type argument [FAIL]
This is because the test was trying to probe a notrace function.
# grep create_trace_kprobe /sys/kernel/debug/tracing/available_filter_functions
== Fix ==
6fc7c411 (selftests/ftrace: Fix kprobe string testcase to not probe notrace function)
This will change the event to trace in the test, from
create_trace_kprobe to tracefs_create_dir
Patch can be cherry-picked for Cosmic.
For Bionic and Xenial, it can be cherry-picked after the commit
9855c462 for bug 1812809.
Although we don't run this ftrace test in Xenial, it will still be a
plus to fix this.
It's already been applied in D.
This patch belongs to a patchset [1], in which further limits kprobe-
events probing on notrace function. To address this issue for the
testing tool this one will be suffice.
[1] https://lkml.org/lkml/2018/7/30/257
== Test ==
Patch tested with Bionic / Cosmic i386. Test passed as expected:
[22] Kprobe event string type argument [PASS]
== Regression potential ==
None.
This patch is just for the kernel testing tool.
== Original bug report ==
Failure spotted on Bionic / Cosmic i386 (node fozzie)
[22] Kprobe event string type argument [FAIL]
selftests: ftrace: ftracetest
========================================
=== Ftrace unit tests ===
[1] Basic trace file check [PASS]
[2] Basic test for tracers [PASS]
[3] Basic trace clock test [PASS]
[4] Basic event tracing check [PASS]
[5] Snapshot and tracing setting [PASS]
[6] event tracing - enable/disable with event level files [PASS]
[7] event tracing - restricts events based on pid [PASS]
[8] event tracing - enable/disable with subsystem level files [PASS]
[9] event tracing - enable/disable with top level files [PASS]
[10] ftrace - function graph filters with stack tracer [PASS]
[11] ftrace - function graph filters [PASS]
[12] ftrace - function pid filters [PASS]
[13] ftrace - test for function event triggers [PASS]
[14] ftrace - function profiler with function tracing [PASS]
[15] ftrace - test reading of set_ftrace_filter [PASS]
[16] ftrace - test for function traceon/off triggers [PASS]
[17] Test creation and deletion of trace instances while setting an event [PASS]
[18] Test creation and deletion of trace instances [PASS]
[19] Kprobe dynamic event - adding and removing [PASS]
[20] Kprobe dynamic event - busy event check [PASS]
[21] Kprobe dynamic event with arguments [PASS]
[22] Kprobe event string type argument [FAIL]
[23] Kprobe event argument syntax [PASS]
[24] Kprobes event arguments with types [PASS]
[25] Kprobe event auto/manual naming [PASS]
[26] Kprobe dynamic event with function tracer [PASS]
[27] Kretprobe dynamic event with arguments [PASS]
[28] Kretprobe dynamic event with maxactive [PASS]
[29] Register/unregister many kprobe events [PASS]
[30] event trigger - test extended error support [PASS]
[31] event trigger - test field variable support [PASS]
[32] event trigger - test multiple actions on hist trigger [PASS]
[33] event trigger - test inter-event histogram trigger onmatch action [PASS]
[34] event trigger - test inter-event histogram trigger onmatch-onmax action [PASS]
[35] event trigger - test inter-event histogram trigger onmax action [PASS]
[36] event trigger - test synthetic_events syntax parser [PASS]
[37] event trigger - test event enable/disable trigger [PASS]
[38] event trigger - test trigger filter [PASS]
[39] event trigger - test histogram modifiers [PASS]
[40] event trigger - test multiple histogram triggers [PASS]
[41] event trigger - test snapshot-trigger [PASS]
[42] event trigger - test stacktrace-trigger [PASS]
[43] trace_marker trigger - test snapshot trigger [PASS]
[44] trace_marker trigger - test histogram with synthetic event against kernel event [PASS]
[45] trace_marker trigger - test histogram with synthetic event [PASS]
[46] event trigger - test traceon/off trigger [PASS]
[47] (instance) Basic test for tracers [PASS]
[48] (instance) Basic trace clock test [PASS]
[49] (instance) Snapshot and tracing setting [PASS]
[50] (instance) event tracing - enable/disable with event level files [PASS]
[51] (instance) event tracing - restricts events based on pid [PASS]
[52] (instance) event tracing - enable/disable with subsystem level files [PASS]
[53] (instance) ftrace - test for function event triggers [PASS]
[54] (instance) ftrace - test for function traceon/off triggers [PASS]
[55] (instance) event trigger - test event enable/disable trigger [PASS]
[56] (instance) event trigger - test trigger filter [PASS]
[57] (instance) event trigger - test histogram modifiers [PASS]
[58] (instance) event trigger - test multiple histogram triggers [PASS]
[59] (instance) trace_marker trigger - test snapshot trigger [PASS]
# of passed: 58
# of failed: 1
# of unresolved: 0
# of untested: 0
# of unsupported: 0
# of xfailed: 0
# of undefined(test bug): 0
not ok 1..1 selftests: ftrace: ftracetest [FAIL]
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