Bug 737984
| Summary: | possible circular locking dependency detected 3.0.1-5.fc16.kh.ppc64 | ||||||
|---|---|---|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Mark Hamzy <hamzy> | ||||
| Component: | kernel | Assignee: | Kernel Maintainer List <kernel-maint> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | high | Docs Contact: | |||||
| Priority: | high | ||||||
| Version: | 16 | CC: | gansalmon, itamar, jonathan, karsten, kernel-maint, madhu.chinakonda | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | ppc64 | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | kernel-3.1.0-0.rc6.git0.3.fc16 | Doc Type: | Bug Fix | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2011-09-24 04:37:31 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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------- Comment From baude.com 2011-09-13 11:21 EDT------- possible circular locking dependency detected 3.0.1-5.fc16.kh.ppc64 ------- Comment From anton.com 2011-09-13 12:10 EDT------- Looks like an issue with CONFIG_ICSWX. I have a patch for another bug which should fix this. Created attachment 523238 [details]
Fix icswx hang
------- Comment (attachment only) From anton.com 2011-09-14 15:24 EDT-------
I have patched "3.0.1-5.fc16.kh.ppc64" and confirmed the error is gone. patch (specifically this one: http://patchwork.ozlabs.org/patch/114701/ ) applied to f16 and master kernel-3.1.0-0.rc6.git0.3.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/kernel-3.1.0-0.rc6.git0.3.fc16 Package kernel-3.1.0-0.rc6.git0.3.fc16: * should fix your issue, * was pushed to the Fedora 16 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing kernel-3.1.0-0.rc6.git0.3.fc16' as soon as you are able to, then reboot. Please go to the following url: https://admin.fedoraproject.org/updates/kernel-3.1.0-0.rc6.git0.3.fc16 then log in and leave karma (feedback). kernel-3.1.0-0.rc6.git0.3.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report. |
After a successful install of Fedora-20110907-ppc64-DVD-respin.iso, the system boots up as follows: System has 256 Mbytes in RMA Config file read, 1024 bytes Welcome to Fedora! Hit <TAB> for boot options Welcome to yaboot version 1.3.16 (Red Hat 1.3.16-4.fc16) Enter "help" to get some basic usage information boot: linux Please wait, loading kernel... Elf64 kernel loaded... Loading ramdisk... ramdisk loaded at 04380000, size: 14781 Kbytes OF stdout device is: /vdevice/vty@30000000 Preparing to boot Linux version 3.0.1-5.fc16.kh.ppc64 (mockbuild@ppc-comm02) (gcc version 4.6.1 20110804 (Red Hat 4.6.1-7) (GCC) ) #1 SMP Thu Aug 11 23:47:44 UTC 2011 Max number of cores passed to firmware: 32 (NR_CPUS = 128) Calling ibm,client-architecture-support... done command line: root=/dev/mapper/vg_bluebill-lv_root ro rd.md=0 LANG=en_US.UTF-8 KEYTABLE=us SYSFONT=latarcyrheb-sun16 rd.lvm.lv=vg_bluebill/lv_swap rd.luks=0 rd.lvm.lv=vg_bluebill/lv_root rd.dm=0 memory layout at init: memory_limit : 0000000000000000 (16 MB aligned) alloc_bottom : 00000000051f0000 alloc_top : 0000000010000000 alloc_top_hi : 0000000010000000 rmo_top : 0000000010000000 ram_top : 0000000010000000 instantiating rtas at 0x000000000ee90000... done boot cpu hw idx 0 starting cpu hw idx 4... done starting cpu hw idx 8... done starting cpu hw idx 12... done starting cpu hw idx 16... done starting cpu hw idx 20... done starting cpu hw idx 24... done starting cpu hw idx 28... done copying OF device tree... Building dt strings... Building dt structure... Device tree strings 0x00000000052f1000 -> 0x00000000052f25d6 Device tree struct 0x00000000052f3000 -> 0x0000000005309000 Calling quiesce... returning from prom_init [ 0.000000] Phyp-dump disabled at boot time [ 0.000000] Using pSeries machine description [ 0.000000] Using 1TB segments [ 0.000000] Found initrd at 0xc000000004380000:0xc0000000051ef400 [ 0.000000] bootconsole [udbg0] enabled [ 0.000000] Partition configured for 32 cpus. [ 0.000000] CPU maps initialized for 4 threads per core [ 0.000000] Starting Linux PPC64 #1 SMP Thu Aug 11 23:47:44 UTC 2011 [ 0.000000] ----------------------------------------------------- [ 0.000000] ppc64_pft_size = 0x1c [ 0.000000] physicalMemorySize = 0x410000000 [ 0.000000] htab_hash_mask = 0x1fffff [ 0.000000] ----------------------------------------------------- [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.0.1-5.fc16.kh.ppc64 (mockbuild@ppc-comm02) (gcc version 4.6.1 20110804 (Red Hat 4.6.1-7) (GCC) ) #1 SMP Thu Aug 11 23:47:44 UTC 2011 [ 0.000000] [boot]0012 Setup Arch [ 0.000000] EEH: No capable adapters found [ 0.000000] PPC64 nvram contains 15360 bytes [ 0.000000] Zone PFN ranges: [ 0.000000] DMA 0x00000000 -> 0x00410000 [ 0.000000] Normal empty [ 0.000000] Movable zone start PFN for each node [ 0.000000] early_node_map[2] active PFN ranges [ 0.000000] 0: 0x00000000 -> 0x00280000 [ 0.000000] 1: 0x00280000 -> 0x00410000 [ 0.000000] [boot]0015 Setup Done [ 0.000000] PERCPU: Embedded 462 pages/cpu @c000000010000000 s1862272 r0 d30080 u2097152 [ 0.000000] Built 2 zonelists in Node order, mobility grouping on. Total pages: 4201600 [ 0.000000] Policy zone: DMA [ 0.000000] Kernel command line: root=/dev/mapper/vg_bluebill-lv_root ro rd.md=0 LANG=en_US.UTF-8 KEYTABLE=us SYSFONT=latarcyrheb-sun16 rd.lvm.lv=vg_bluebill/lv_swap rd.luks=0 rd.lvm.lv=vg_bluebill/lv_root rd.dm=0 [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] freeing bootmem node 0 [ 0.000000] freeing bootmem node 1 [ 0.000000] Memory: 16676992k/17039360k available (19016k kernel code, 362368k reserved, 1696k data, 12585k bss, 8720k init) [ 0.000000] SLUB: Genslabs=15, HWalign=128, Order=0-3, MinObjects=0, CPUs=32, Nodes=256 [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU dyntick-idle grace-period acceleration is enabled. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] NR_IRQS:512 nr_irqs:512 16 [ 0.000000] clocksource: timebase mult[7d0000] shift[22] registered [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [hvc0] enabled, bootconsole disabled [ 0.000000] console [hvc0] enabled, bootconsole disabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 16384 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 32768 [ 0.000000] ... CHAINHASH_SIZE: 16384 [ 0.000000] memory used by lock dependency info: 6367 kB [ 0.000000] per task-struct memory footprint: 2688 bytes [ 0.000000] allocated 136314880 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.029043] pid_max: default: 32768 minimum: 301 [ 0.029462] Security Framework initialized [ 0.029475] SELinux: Initializing. [ 0.035786] Dentry cache hash table entries: 4194304 (order: 13, 33554432 bytes) [ 0.053752] Inode-cache hash table entries: 2097152 (order: 12, 16777216 bytes) [ 0.061240] Mount-cache hash table entries: 256 [ 0.069958] Initializing cgroup subsys cpuacct [ 0.069987] Initializing cgroup subsys memory [ 0.071735] Initializing cgroup subsys devices [ 0.071744] Initializing cgroup subsys freezer [ 0.071752] Initializing cgroup subsys net_cls [ 0.071758] Initializing cgroup subsys blkio [ 0.071843] Initializing cgroup subsys perf_event [ 0.071984] ftrace: allocating 21817 entries in 129 pages [ 0.075519] POWER7 performance monitor hardware support registered [ 0.095606] Brought up 32 CPUs [ 0.096467] Enabling Asymmetric SMT scheduling [ 0.098768] devtmpfs: initialized [ 0.106930] atomic64 test passed [ 0.107312] NET: Registered protocol family 16 [ 0.107398] IBM eBus Device Driver [ 0.128330] PCI: Probing PCI hardware [ 0.128353] io_event_irq: No ibm,io-events on system! IO Event interrupt disabled. [ 0.142075] bio: create slab <bio-0> at 0 [ 0.143161] vgaarb: loaded [ 0.144142] SCSI subsystem initialized [ 0.145095] usbcore: registered new interface driver usbfs [ 0.145213] usbcore: registered new interface driver hub [ 0.145421] usbcore: registered new device driver usb [ 0.146921] NetLabel: Initializing [ 0.146926] NetLabel: domain hash size = 128 [ 0.146931] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.147135] NetLabel: unlabeled traffic allowed by default [ 0.235940] DMA-API: preallocated 65536 debug entries [ 0.235962] DMA-API: debugging enabled by kernel config [ 0.236003] Switching to clocksource timebase [ 0.236443] Switched to NOHz mode on CPU #28 [ 0.236447] Switched to NOHz mode on CPU #13 [ 0.236479] Switched to NOHz mode on CPU #26 [ 0.236544] Switched to NOHz mode on CPU #11 [ 0.236549] Switched to NOHz mode on CPU #6 [ 0.236563] Switched to NOHz mode on CPU #20 [ 0.236567] Switched to NOHz mode on CPU #23 [ 0.236649] Switched to NOHz mode on CPU #18 [ 0.236654] Switched to NOHz mode on CPU #3 [ 0.236670] Switched to NOHz mode on CPU #30 [ 0.236674] Switched to NOHz mode on CPU #8 [ 0.236688] Switched to NOHz mode on CPU #5 [ 0.236825] Switched to NOHz mode on CPU #25 [ 0.236830] Switched to NOHz mode on CPU #15 [ 0.236846] Switched to NOHz mode on CPU #22 [ 0.236889] Switched to NOHz mode on CPU #17 [ 0.236892] Switched to NOHz mode on CPU #10 [ 0.236909] Switched to NOHz mode on CPU #12 [ 0.236915] Switched to NOHz mode on CPU #7 [ 0.237014] Switched to NOHz mode on CPU #27 [ 0.237071] Switched to NOHz mode on CPU #0 [ 0.237185] Switched to NOHz mode on CPU #29 [ 0.237197] Switched to NOHz mode on CPU #24 [ 0.237201] Switched to NOHz mode on CPU #14 [ 0.237219] Switched to NOHz mode on CPU #19 [ 0.237226] Switched to NOHz mode on CPU #9 [ 0.237241] Switched to NOHz mode on CPU #21 [ 0.237244] Switched to NOHz mode on CPU #4 [ 0.237247] Switched to NOHz mode on CPU #31 [ 0.237285] Switched to NOHz mode on CPU #1 [ 0.237290] Switched to NOHz mode on CPU #16 [ 0.238066] Switched to NOHz mode on CPU #2 [ 0.314167] NET: Registered protocol family 2 [ 0.315153] IP route cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.319249] TCP established hash table entries: 524288 (order: 11, 8388608 bytes) [ 0.323680] TCP bind hash table entries: 65536 (order: 10, 5242880 bytes) [ 0.329774] TCP: Hash tables configured (established 524288 bind 65536) [ 0.329807] TCP reno registered [ 0.330340] UDP hash table entries: 16384 (order: 9, 3145728 bytes) [ 0.334172] UDP-Lite hash table entries: 16384 (order: 9, 3145728 bytes) [ 0.338542] NET: Registered protocol family 1 [ 0.339826] Unpacking initramfs... [ 0.986340] Freeing initrd memory: 14784k freed [ 0.991182] vio 30000000: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable [ 1.005996] IOMMU table initialized, virtual merging enabled [ 1.025878] vio 4000: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable [ 1.025989] vio 4001: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable [ 1.026086] vio 4002: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable [ 1.026190] vio 4004: Warning: IOMMU dma not supported: mask 0xffffffffffffffff, table unavailable [ 1.028270] audit: initializing netlink socket (disabled) [ 1.028363] type=2000 audit(1315576035.023:1): initialized [ 1.155505] HugeTLB registered 16 MB page size, pre-allocated 0 pages [ 1.155529] HugeTLB registered 16 GB page size, pre-allocated 0 pages [ 1.177787] VFS: Disk quotas dquot_6.5.2 [ 1.178138] Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.182284] msgmni has been set to 32603 [ 1.183880] cryptomgr_test used greatest stack depth: 12048 bytes left [ 1.184387] cryptomgr_test used greatest stack depth: 11280 bytes left [ 1.184782] alg: No test for stdrng (krng) [ 1.184813] NET: Registered protocol family 38 [ 1.185124] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253) [ 1.185283] io scheduler noop registered [ 1.185289] io scheduler deadline registered [ 1.185728] io scheduler cfq registered (default) [ 1.185734] start plist test [ 1.186531] end plist test [ 1.188986] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 1.189085] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 1.191652] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.237881] TX39/49 Serial driver version 1.11 [ 1.239018] Linux agpgart interface v0.103 [ 1.244564] loop: module loaded [ 1.245207] Uniform Multi-Platform E-IDE driver [ 1.245536] ide-gd driver 1.18 [ 1.246797] Fixed MDIO Bus: probed [ 1.247181] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.247397] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 1.247581] uhci_hcd: USB Universal Host Controller Interface driver [ 1.248144] usbcore: registered new interface driver usbserial [ 1.248263] USB Serial support registered for generic [ 1.248386] usbcore: registered new interface driver usbserial_generic [ 1.248393] usbserial: USB Serial Driver core [ 1.248733] mousedev: PS/2 mouse device common for all mice [ 1.249796] rtc-generic rtc-generic: rtc core: registered rtc-generic as rtc0 [ 1.251121] device-mapper: uevent: version 1.0.3 [ 1.251798] device-mapper: ioctl: 4.20.0-ioctl (2011-02-02) initialised: dm-devel [ 1.255214] usbcore: registered new interface driver usbhid [ 1.255221] usbhid: USB HID core driver [ 1.257050] ip_tables: (C) 2000-2006 Netfilter Core Team [ 1.257273] TCP cubic registered [ 1.257279] Initializing XFRM netlink socket [ 1.258709] NET: Registered protocol family 10 [ 1.262947] Mobile IPv6 [ 1.262958] NET: Registered protocol family 17 [ 1.263077] Registering the dns_resolver key type [ 1.265539] registered taskstats version 1 [ 1.266588] rtc-generic rtc-generic: setting system clock to 2011-09-09 13:47:16 UTC (1315576036) [ 1.266600] Initializing network drop monitor service [ 1.270691] Freeing unused kernel memory: 8720k freed [ 1.280893] mknod used greatest stack depth: 9632 bytes left [ 1.291391] mount used greatest stack depth: 9200 bytes left [ 2.266014] cp used greatest stack depth: 8800 bytes left [ 2.287210] udevadm used greatest stack depth: 8624 bytes left [ 2.306912] dracut: dracut-013-4.fc16 [ 2.357785] udevd[213]: starting version 173 [ 2.487305] gzip used greatest stack depth: 7792 bytes left [ 2.591431] dracut: Starting plymouth daemon [ 2.814990] [ 2.814993] ======================================================= [ 2.815030] [ INFO: possible circular locking dependency detected ] [ 2.815050] 3.0.1-5.fc16.kh.ppc64 #1 [ 2.815064] ------------------------------------------------------- [ 2.815088] udevd/304 is trying to acquire lock: [ 2.815108] (&mm->mmap_sem){++++++}, at: [<c000000000044580>] .drop_cop+0x70/0x13c [ 2.815157] [ 2.815158] but task is already holding lock: [ 2.815176] (&anon_vma->mutex){+.+...}, at: [<c0000000001a0d4c>] .unlink_anon_vmas+0x8c/0x178 [ 2.815221] [ 2.815222] which lock already depends on the new lock. [ 2.815225] [ 2.815244] [ 2.815245] the existing dependency chain (in reverse order) is: [ 2.815264] [ 2.815265] -> #1 (&anon_vma->mutex){+.+...}: [ 2.815295] [<c0000000000ee928>] .lock_acquire+0x10c/0x128 [ 2.815318] [<c000000000695300>] .mutex_lock_nested+0xa8/0x490 [ 2.815350] [<c00000000019b618>] .vma_adjust+0x1bc/0x414 [ 2.815381] [<c0000000001d7728>] .shift_arg_pages+0x78/0x154 [ 2.815413] [<c0000000001d7968>] .setup_arg_pages+0x164/0x1f4 [ 2.815436] [<c000000000226c38>] .load_elf_binary+0x53c/0x1788 [ 2.815455] [<c0000000001d715c>] .search_binary_handler+0x158/0x38c [ 2.815475] [<c00000000022617c>] .load_script+0x27c/0x288 [ 2.815493] [<c0000000001d715c>] .search_binary_handler+0x158/0x38c [ 2.815511] [<c0000000001d8c10>] .do_execve_common+0x1b4/0x2cc [ 2.815525] [<c0000000001d8d6c>] .do_execve+0x44/0x4c [ 2.815537] [<c0000000000155f4>] .sys_execve+0x74/0x94 [ 2.815549] [<c000000000009928>] syscall_exit+0x0/0x40 [ 2.815567] [<c00000027799fe50>] 0xc00000027799fe50 [ 2.815583] [<c00000000069fe8c>] .init_post+0x68/0xc8 [ 2.815602] [<c000000000a0ec70>] .rootwait_setup+0x0/0x3c [ 2.815623] [<c000000000020bc8>] .kernel_thread+0x54/0x70 [ 2.815642] [ 2.815643] -> #0 (&mm->mmap_sem){++++++}: [ 2.815674] [<c0000000000edd2c>] .__lock_acquire+0x116c/0x17f4 [ 2.815699] [<c0000000000ee928>] .lock_acquire+0x10c/0x128 [ 2.815716] [<c000000000695dac>] .down_read+0x78/0x12c [ 2.815734] [<c000000000044580>] .drop_cop+0x70/0x13c [ 2.815755] [<c0000000000448d4>] .destroy_context+0x2c/0x50 [ 2.815778] [<c0000000000a895c>] .__mmdrop+0x50/0x70 [ 2.815803] [<c000000000096cb4>] .finish_task_switch+0x10c/0x15c [ 2.815830] [<c0000000006930fc>] .schedule+0x9f8/0xaf0 [ 2.815857] [<c000000000695500>] .mutex_lock_nested+0x2a8/0x490 [ 2.815885] [<c0000000001a0d4c>] .unlink_anon_vmas+0x8c/0x178 [ 2.815911] [<c000000000194338>] .free_pgtables+0x94/0x108 [ 2.815932] [<c00000000019c7cc>] .exit_mmap+0xe4/0x128 [ 2.815950] [<c0000000000a8c64>] .mmput+0x90/0x140 [ 2.815974] [<c0000000001d81c4>] .flush_old_exec+0x5bc/0x674 [ 2.815999] [<c000000000226a68>] .load_elf_binary+0x36c/0x1788 [ 2.816021] [<c0000000001d715c>] .search_binary_handler+0x158/0x38c [ 2.816046] [<c0000000001d8c10>] .do_execve_common+0x1b4/0x2cc [ 2.816072] [<c0000000001d8d6c>] .do_execve+0x44/0x4c [ 2.816096] [<c0000000000155f4>] .sys_execve+0x74/0x94 [ 2.816112] [<c000000000009928>] syscall_exit+0x0/0x40 [ 2.816136] [ 2.816137] other info that might help us debug this: [ 2.816139] [ 2.816164] Possible unsafe locking scenario: [ 2.816166] [ 2.816186] CPU0 CPU1 [ 2.816204] ---- ---- [ 2.816217] lock(&anon_vma->mutex); [ 2.816244] lock(&mm->mmap_sem); [ 2.816269] lock(&anon_vma->mutex); [ 2.816293] lock(&mm->mmap_sem); [ 2.816317] [ 2.816318] *** DEADLOCK *** [ 2.816320] [ 2.816346] 2 locks held by udevd/304: [ 2.816357] #0: (&sig->cred_guard_mutex){+.+.+.}, at: [<c0000000001d8820>] .prepare_bprm_creds+0x30/0x7c [ 2.816415] #1: (&anon_vma->mutex){+.+...}, at: [<c0000000001a0d4c>] .unlink_anon_vmas+0x8c/0x178 [ 2.816462] [ 2.816463] stack backtrace: [ 2.816482] Call Trace: [ 2.816496] [c000000272306ae0] [c000000000015764] .show_stack+0x94/0x144 (unreliable) [ 2.816531] [c000000272306ba0] [c00000000069ff10] .dump_stack+0x24/0x2c [ 2.816549] [c000000272306c20] [c0000000006a222c] .print_circular_bug+0x2d4/0x2e4 [ 2.816572] [c000000272306ce0] [c0000000000edd2c] .__lock_acquire+0x116c/0x17f4 [ 2.816606] [c000000272306e30] [c0000000000ee928] .lock_acquire+0x10c/0x128 [ 2.816632] [c000000272306f20] [c000000000695dac] .down_read+0x78/0x12c [ 2.816656] [c000000272306fc0] [c000000000044580] .drop_cop+0x70/0x13c [ 2.816676] [c000000272307060] [c0000000000448d4] .destroy_context+0x2c/0x50 [ 2.816699] [c0000002723070f0] [c0000000000a895c] .__mmdrop+0x50/0x70 [ 2.816722] [c000000272307180] [c000000000096cb4] .finish_task_switch+0x10c/0x15c [ 2.816754] [c000000272307220] [c0000000006930fc] .schedule+0x9f8/0xaf0 [ 2.816781] [c0000002723074a0] [c000000000695500] .mutex_lock_nested+0x2a8/0x490 [ 2.816807] [c0000002723075b0] [c0000000001a0d4c] .unlink_anon_vmas+0x8c/0x178 [ 2.816829] [c000000272307670] [c000000000194338] .free_pgtables+0x94/0x108 [ 2.816851] [c000000272307730] [c00000000019c7cc] .exit_mmap+0xe4/0x128 [ 2.816880] [c000000272307850] [c0000000000a8c64] .mmput+0x90/0x140 [ 2.816906] [c0000002723078f0] [c0000000001d81c4] .flush_old_exec+0x5bc/0x674 [ 2.816934] [c0000002723079b0] [c000000000226a68] .load_elf_binary+0x36c/0x1788 [ 2.816961] [c000000272307b00] [c0000000001d715c] .search_binary_handler+0x158/0x38c [ 2.816989] [c000000272307bf0] [c0000000001d8c10] .do_execve_common+0x1b4/0x2cc [ 2.817018] [c000000272307cd0] [c0000000001d8d6c] .do_execve+0x44/0x4c [ 2.817049] [c000000272307d80] [c0000000000155f4] .sys_execve+0x74/0x94 [ 2.817077] [c000000272307e30] [c000000000009928] syscall_exit+0x0/0x40