syzbot


upstream boot error: UBSAN: null-ptr-deref in corrupted

Status: auto-closed as invalid on 2021/04/09 09:47
Subsystems: acpica
[Documentation on labels]
Reported-by: syzbot+73d662376f16e2a7336d@syzkaller.appspotmail.com
First crash: 1187d, last: 1164d
Discussions (1)
Title Replies (including bot) Last reply
upstream boot error: UBSAN: null-ptr-deref in corrupted 3 (4) 2020/12/19 09:48

Sample crash report:
Linux version 5.11.0-rc2-syzkaller (syzkaller@syzkaller) (clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP PREEMPT now
Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1
KERNEL supported cpus:
  Intel GenuineIntel
  AMD AuthenticAMD
x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
BIOS-provided physical RAM map:
BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable
BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved
BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved
BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable
printk: bootconsole [earlyser0] enabled
ERROR: earlyprintk= earlyser already used
ERROR: earlyprintk= earlyser already used
ERROR: earlyprintk= earlyser already used
nopcid: PCID feature disabled
Malformed early option 'vsyscall'
Malformed early option 'vsyscall'
NX (Execute Disable) protection: active
SMBIOS 2.4 present.
DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Hypervisor detected: KVM
kvm-clock: Using msrs 4b564d01 and 4b564d00
kvm-clock: cpu 0, msr db17001, primary cpu clock
kvm-clock: using sched offset of 2913566685 cycles
clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
tsc: Detected 2299.998 MHz processor
last_pfn = 0x240000 max_arch_pfn = 0x400000000
x86/PAT: Configuration [0-7]: WB  WC  UC- UC  WB  WP  UC- WT  
last_pfn = 0xbfffd max_arch_pfn = 0x400000000
found SMP MP-table at [mem 0x000f25a0-0x000f25af]
Using GB pages for direct mapping
ACPI: Early table checksum verification disabled
ACPI: RSDP 0x00000000000F2320 000014 (v00 Google)
ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
================================================================================
UBSAN: null-ptr-deref in drivers/acpi/acpica/tbfadt.c:459:37
member access within null pointer of type 'struct acpi_table_fadt'
CPU: 0 PID: 0 Comm: swapper Not tainted 5.11.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
================================================================================
ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001)
ACPI: FACS 0x00000000BFFFDA40 000040
ACPI: FACS 0x00000000BFFFDA40 000040
ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
SRAT: PXM 0 -> APIC 0x00 -> Node 0
SRAT: PXM 0 -> APIC 0x01 -> Node 0
ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff]
NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff]
Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB)
Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB)
NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff]
NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff]
Zone ranges:
  DMA      [mem 0x0000000000001000-0x0000000000ffffff]
  DMA32    [mem 0x0000000001000000-0x00000000ffffffff]
  Normal   [mem 0x0000000100000000-0x000000023fffffff]
  Device   empty
Movable zone start for each node
Early memory node ranges
  node   0: [mem 0x0000000000001000-0x000000000009efff]
  node   0: [mem 0x0000000000100000-0x00000000bfffcfff]
  node   0: [mem 0x0000000100000000-0x000000013fffffff]
  node   1: [mem 0x0000000140000000-0x000000023fffffff]
Zeroed struct page in unavailable ranges: 101 pages
Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff]
Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff]
kasan: KernelAddressSanitizer initialized
ACPI: PM-Timer IO Port: 0xb008
ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
Using ACPI (MADT) for SMP configuration information
smpboot: Allowing 2 CPUs, 0 hotplug CPUs
PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff]
PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff]
PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff]
[mem 0xc0000000-0xfffbbfff] available for PCI devices
Booting paravirtualized kernel on KVM
clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2
percpu: Embedded 63 pages/cpu s221000 r8192 d28856 u1048576
kvm-guest: stealtime: cpu 0, msr b9e1fb00
kvm-guest: PV spinlocks enabled
PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
Built 2 zonelists, mobility grouping on.  Total pages: 2064261
Policy zone: Normal
Kernel command line: earlyprintk=serial oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 root=/dev/sda console=ttyS0 vsyscall=native watchdog_thresh=55 workqueue.watchdog_thresh=140 BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1
mem auto-init: stack:off, heap alloc:on, heap free:off
Memory: 6878668K/8388204K available (122911K kernel code, 23626K rwdata, 31828K rodata, 3260K init, 25700K bss, 1509280K reserved, 0K cma-reserved)
SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2
Running RCU self tests
rcu: Preemptible hierarchical RCU implementation.
rcu: 	RCU lockdep checking is enabled.
rcu: 	RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
rcu: 	RCU callback double-/use-after-free debug enabled.
rcu: 	RCU debug extended QS entry/exit.
	All grace periods are expedited (rcu_expedited).
	Trampoline variant of Tasks RCU enabled.
	Tracing variant of Tasks RCU enabled.
rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
random: crng done (trusting CPU's manufacturer)
Console: colour VGA+ 80x25
printk: console [ttyS0] enabled
printk: console [ttyS0] enabled
printk: bootconsole [earlyser0] disabled
printk: bootconsole [earlyser0] disabled
Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
... MAX_LOCKDEP_SUBCLASSES:  8
... MAX_LOCK_DEPTH:          48
... MAX_LOCKDEP_KEYS:        8192
... CLASSHASH_SIZE:          4096
... MAX_LOCKDEP_ENTRIES:     32768
... MAX_LOCKDEP_CHAINS:      65536
... CHAINHASH_SIZE:          32768
 memory used by lock dependency info: 6365 kB
 memory used for stack traces: 4224 kB
 per task-struct memory footprint: 1920 bytes
mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
ACPI: Core revision 20201113
APIC: Switch to symmetric I/O mode setup
..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns
Calibrating delay loop (skipped) preset value.. 4599.99 BogoMIPS (lpj=22999980)
pid_max: default: 32768 minimum: 301
LSM: Security Framework initializing
Yama: becoming mindful.
TOMOYO Linux initialized
Smack:  Initializing.
Smack:  Netfilter enabled.
Smack:  IPv6 Netfilter enabled.
LSM support for eBPF active
Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc)
Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc)
Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available!
Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
MDS: Mitigation: Clear CPU buffers
Freeing SMP alternatives memory: 92K
kvm-clock: cpu 1, msr db17041, secondary cpu clock

Crashes (168):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2021/01/09 09:47 upstream 996e435fd401 a6c52263 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/09 01:49 upstream 263da3330f6c c104d4a3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/09 01:49 upstream 263da3330f6c c104d4a3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/09 00:19 upstream 78d42025e5bb c104d4a3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/08 21:41 upstream 6279d812eab6 c104d4a3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/07 23:55 upstream f5e6c330254a c104d4a3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/06 23:19 upstream 71c061d24438 c104d4a3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/06 13:49 upstream 9f1abbe97c08 c104d4a3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/06 01:13 upstream 9f1abbe97c08 b1c228e1 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/06 00:52 upstream 9f1abbe97c08 a0234d98 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/05 23:27 upstream 6207214a70bf a0234d98 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/05 10:22 upstream 36bbbd0e234d a0234d98 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/04 21:08 upstream 36bbbd0e234d 2a28ff1f .config console log report ci-upstream-kasan-gce-smack-root
2021/01/04 19:48 upstream 36bbbd0e234d 79264ae3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/04 01:10 upstream e71ba9452f0b 79264ae3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/03 00:07 upstream 3516bd729358 79264ae3 .config console log report ci-upstream-kasan-gce-smack-root
2021/01/01 22:19 upstream eda809aef534 79264ae3 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/31 14:12 upstream f6e1ea196492 79264ae3 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/31 01:36 upstream f6e1ea196492 5cc121d6 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/30 20:41 upstream f6e1ea196492 ecb8c012 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/30 13:31 upstream 139711f033f6 ecb8c012 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/30 01:27 upstream 139711f033f6 0fa352f2 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/30 00:33 upstream 139711f033f6 80910769 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/29 13:39 upstream dea8dcf2a9fa 80910769 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/28 23:59 upstream dea8dcf2a9fa 8259d56c .config console log report ci-upstream-kasan-gce-smack-root
2020/12/28 20:09 upstream c76e02c59e13 8259d56c .config console log report ci-upstream-kasan-gce-smack-root
2020/12/28 13:57 upstream 5c8fe583cce5 8259d56c .config console log report ci-upstream-kasan-gce-smack-root
2020/12/28 02:59 upstream 5c8fe583cce5 2242f77f .config console log report ci-upstream-kasan-gce-smack-root
2020/12/27 20:55 upstream 14e3e989f6a5 2242f77f .config console log report ci-upstream-kasan-gce-smack-root
2020/12/27 20:55 upstream 14e3e989f6a5 2242f77f .config console log report ci-upstream-kasan-gce-smack-root
2020/12/27 18:24 upstream 52cd5f9c22ee 2242f77f .config console log report ci-upstream-kasan-gce-smack-root
2020/12/27 13:14 upstream f838f8d2b694 2242f77f .config console log report ci-upstream-kasan-gce-smack-root
2020/12/26 17:59 upstream f838f8d2b694 821e0b09 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/26 04:19 upstream c9a3c4e637ac 821e0b09 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/26 01:29 upstream 61d791365b72 821e0b09 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/25 23:13 upstream 5814bc2d4cc2 b982b3ea .config console log report ci-upstream-kasan-gce-smack-root
2020/12/25 09:15 upstream 71c5f03154ac b982b3ea .config console log report ci-upstream-kasan-gce-smack-root
2020/12/24 22:35 upstream 3913d00ac51a c2c1d1dd .config console log report ci-upstream-kasan-gce-smack-root
2020/12/24 01:03 upstream 58cf05f597b0 c2c1d1dd .config console log report ci-upstream-kasan-gce-smack-root
2020/12/23 11:40 upstream 614cb5894306 c2c1d1dd .config console log report ci-upstream-kasan-gce-smack-root
2020/12/22 23:04 upstream 614cb5894306 04201c06 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/22 23:04 upstream 614cb5894306 04201c06 .config console log report ci-upstream-kasan-gce-smack-root
2020/12/17 09:57 upstream accefff5b547 04201c06 .config console log report ci-upstream-kasan-gce-smack-root
* Struck through repros no longer work on HEAD.