WARNING in rcu_core ------------[ cut here ]------------ WARNING: CPU: 1 PID: 11 at mm/slub.c:4550 slab_free_after_rcu_debug+0x18b/0x270 mm/slub.c:4550 Modules linked in: CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.11.0-rc1-next-20240802-syzkaller-02947-gf524a5e4dfb7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: eval_map_wq eval_map_work_func RIP: 0010:slab_free_after_rcu_debug+0x18b/0x270 mm/slub.c:4550 Code: 48 89 04 19 48 8d 4a 08 49 8b 34 24 65 48 0f c7 0e 75 c8 4c 89 f7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 36 55 ff ff 90 <0f> 0b 90 eb 92 90 0f 0b 90 eb 8c 90 0f 0b 90 eb 86 41 8b 54 24 1c RSP: 0000:ffffc90000a18bc0 EFLAGS: 00010286 RAX: ffff88823bc00000 RBX: ffff8880187c8940 RCX: 0000000000022fe0 RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90000a18e30 R08: ffffffff8142b2ec R09: 1ffffffff26e8ce3 R10: dffffc0000000000 R11: ffffffff81f0bb80 R12: dffffc0000000000 R13: ffffffff817bd996 R14: ffff88823bc22fe0 R15: ffffea000061f200 FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000000e734000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_do_batch kernel/rcu/tree.c:2569 [inline] rcu_core+0xafd/0x1830 kernel/rcu/tree.c:2843 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x70 kernel/kcov.c:216 Code: 24 65 48 8b 0c 25 80 d7 03 00 65 8b 15 20 ed 6f 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c <8b> 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 RSP: 0000:ffffc90000107ac8 EFLAGS: 00000246 RAX: ffffffff819c8ec6 RBX: 0000000000000000 RCX: ffff888017a93c00 RDX: 0000000000000000 RSI: 000000000000005f RDI: 000000000000005f RBP: 000000000000005f R08: ffffffff819c8f1b R09: ffffffff819c8f35 R10: 0000000000000003 R11: ffff888017a93c00 R12: ffffffff91966d88 R13: dffffc0000000000 R14: ffffffff8ebf1490 R15: ffffffff8ebf148f update_event_printk kernel/trace/trace_events.c:2812 [inline] trace_event_eval_update+0x646/0xf90 kernel/trace/trace_events.c:2938 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x86d/0xd10 kernel/workqueue.c:3389 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:144 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---------------- Code disassembly (best guess): 0: 24 65 and $0x65,%al 2: 48 8b 0c 25 80 d7 03 mov 0x3d780,%rcx 9: 00 a: 65 8b 15 20 ed 6f 7e mov %gs:0x7e6fed20(%rip),%edx # 0x7e6fed31 11: 81 e2 00 01 ff 00 and $0xff0100,%edx 17: 74 11 je 0x2a 19: 81 fa 00 01 00 00 cmp $0x100,%edx 1f: 75 35 jne 0x56 21: 83 b9 1c 16 00 00 00 cmpl $0x0,0x161c(%rcx) 28: 74 2c je 0x56 * 2a: 8b 91 f8 15 00 00 mov 0x15f8(%rcx),%edx <-- trapping instruction 30: 83 fa 02 cmp $0x2,%edx 33: 75 21 jne 0x56 35: 48 8b 91 00 16 00 00 mov 0x1600(%rcx),%rdx 3c: 48 8b 32 mov (%rdx),%rsi 3f: 48 rex.W failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.207" "pwd"]: exit status 255 ssh: connect to host 10.128.1.207 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID e758ef56-42d4-f37a-8983-cd929e7d1704 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2790: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 6.11.0-rc1-next-20240802-syzkaller-02947-gf524a5e4dfb7 (syzkaller@syzkaller) (Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000009][ T0] kvm-clock: using sched offset of 4712800329 cycles [ 0.001426][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004472][ T0] tsc: Detected 2200.242 MHz processor [ 0.009969][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.011100][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.012673][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.014135][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.022158][ T0] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 0.023764][ T0] Using GB pages for direct mapping [ 0.028918][ T0] ACPI: Early table checksum verification disabled [ 0.030629][ T0] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 0.032078][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.033850][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.035567][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.037258][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.038143][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.039255][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.041343][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.043426][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.045792][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.048468][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.050220][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.051809][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.053394][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.054654][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.056517][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.058338][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.059722][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.061235][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.062720][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.063645][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.064766][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x0010000serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-job-parallel-2 port 1 (session ID: f2763006139d3f63ab554d68cfd9cd2b6669e745e7818728f02184e349af3ec2, active connections: 1). 0-0xbfffffff] [ 0.065954][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.067023][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.068884][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.070844][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.072358][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.074577][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.076518][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.117710][ T0] Zone ranges: [ 0.118673][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.119987][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.121462][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.122701][ T0] Device empty [ 0.123348][ T0] Movable zone start for each node [ 0.124617][ T0] Early memory node ranges [ 0.125612][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.127483][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.128990][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.130060][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.131360][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.132786][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.134019][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.135558][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.203250][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.584562][ T0] kasan: KernelAddressSanitizer initialized [ 0.586226][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.586959][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.588678][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.589951][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.591893][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.593828][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.595324][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.597277][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.599503][ T0] CPU topo: Max. logical packages: 1 [ 0.600765][ T0] CPU topo: Max. logical dies: 1 [ 0.602294][ T0] CPU topo: Max. dies per package: 1 [ 0.603639][ T0] CPU topo: Max. threads per core: 2 [ 0.605344][ T0] CPU topo: Num. cores per package: 1 [ 0.606591][ T0] CPU topo: Num. threads per package: 2 [ 0.607876][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.609639][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.611653][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.613626][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.615525][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.616813][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.618614][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.620683][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.622463][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.624052][ T0] Booting paravirtualized kernel on KVM [ 0.625793][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.773566][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.775806][ T0] percpu: Embedded 74 pages/cpu s264520 r8192 d30392 u1048576 [ 0.777569][ T0] kvm-guest: PV spinlocks enabled [ 0.778816][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.780375][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb 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 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid 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 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=8 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.798085][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.800574][ T0] random: crng init done [ 0.801373][ T0] Fallback order for Node 0: 0 1 [ 0.801405][ T0] Fallback order for Node 1: 1 0 [ 0.801420][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051 [ 0.803830][ T0] Policy zone: Normal [ 0.805231][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.806261][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.807309][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.813439][ T0] software IO TLB: area num 2. [ 2.095951][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 2.282797][ T0] allocated 167772160 bytes of page_ext [ 2.284007][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.300979][ T0] Node 0, zone DMA32: page owner found early allocated 20582 pages [ 2.313991][ T0] Node 0, zone Normal: page owner found early allocated 0 pages [ 2.325864][ T0] Node 1, zone Normal: page owner found early allocated 20483 pages [ 2.328332][ T0] Kernel/User page tables isolation: enabled [ 2.331047][ T0] Dynamic Preempt: full [ 2.333436][ T0] Running RCU self tests [ 2.334707][ T0] Running RCU synchronous self tests [ 2.335880][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.337105][ T0] rcu: RCU lockdep checking is enabled. [ 2.337945][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 2.338934][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 2.340749][ T0] rcu: RCU debug extended QS entry/exit. [ 2.341943][ T0] All grace periods are expedited (rcu_expedited). [ 2.343151][ T0] Trampoline variant of Tasks RCU enabled. [ 2.344773][ T0] Tracing variant of Tasks RCU enabled. [ 2.345968][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.348435][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.350416][ T0] Running RCU synchronous self tests [ 2.351765][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1. [ 2.353486][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1. [ 2.463033][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.465609][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 2.468040][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 2.471088][ T0] Console: colour VGA+ 80x25 [ 2.471943][ T0] printk: legacy console [ttyS0] enabled [ 2.471943][ T0] printk: legacy console [ttyS0] enabled [ 2.474053][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.474053][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.476594][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.478660][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.479703][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.480523][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.481583][ T0] ... CLASSHASH_SIZE: 4096 [ 2.482939][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 2.484090][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 2.485153][ T0] ... CHAINHASH_SIZE: 131072 [ 2.486654][ T0] memory used by lock dependency info: 20721 kB [ 2.487542][ T0] memory used for stack traces: 8320 kB [ 2.488419][ T0] per task-struct memory footprint: 1920 bytes [ 2.489551][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.491470][ T0] ACPI: Core revision 20240322 [ 2.493883][ T0] APIC: Switch to symmetric I/O mode setup [ 2.495444][ T0] x2apic enabled [ 2.499640][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.506665][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.508641][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb7175b604, max_idle_ns: 440795271175 ns [ 2.511067][ T0] Calibrating delay loop (skipped) preset value.. 4400.48 BogoMIPS (lpj=22002420) [ 2.521555][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.522728][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 2.524386][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.526559][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit [ 2.527814][ T0] Spectre V2 : Mitigation: IBRS [ 2.528494][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 2.529702][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 2.530762][ T0] RETBleed: Mitigation: IBRS [ 2.531101][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 2.532453][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.533504][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.534972][ T0] MDS: Mitigation: Clear CPU buffers [ 2.535921][ T0] TAA: Mitigation: Clear CPU buffers [ 2.536952][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.538387][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 2.539755][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 2.541057][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 2.542181][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 2.543548][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 2.800124][ T0] Freeing SMP alternatives memory: 128K [ 2.801065][ T0] pid_max: default: 32768 minimum: 301 [ 2.802605][ T0] LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,apparmor,bpf,ima,evm [ 2.804358][ T0] landlock: Up and running. [ 2.805407][ T0] Yama: becoming mindful. [ 2.806663][ T0] TOMOYO Linux initialized [ 2.808218][ T0] AppArmor: AppArmor initialized [ 2.809103][ T0] LSM support for eBPF active [ 2.818559][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.825259][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.828012][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.829870][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.836022][ T0] Running RCU synchronous self tests [ 2.837489][ T0] Running RCU synchronous self tests [ 2.961260][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 2.968861][ T1] Running RCU Tasks wait API self tests [ 3.071602][ T1] Running RCU Tasks Trace wait API self tests [ 3.073480][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 3.075373][ T1] signal: max sigframe size: 1776 [ 3.076983][ T1] rcu: Hierarchical SRCU implementation. [ 3.078343][ T1] rcu: Max phase no-delay instances is 1000. [ 3.080669][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 3.088725][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.091189][ T15] Callback from call_rcu_tasks_trace() invoked. [ 3.093648][ T1] smp: Bringing up secondary CPUs ... [ 3.097174][ T1] smpboot: x86: Booting SMP configuration: [ 3.098104][ T1] .... node #0, CPUs: #1 [ 3.101199][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 3.103999][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 3.106799][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details. [ 3.109851][ T1] smp: Brought up 2 nodes, 2 CPUs [ 3.111172][ T1] smpboot: Total of 2 processors activated (8800.96 BogoMIPS) [ 3.113863][ T1] Memory: 6558772K/8388204K available (180224K kernel code, 28305K rwdata, 37128K rodata, 26492K init, 35752K bss, 1639356K reserved, 0K cma-reserved) [ 3.121975][ T1] devtmpfs: initialized [ 3.123123][ T1] x86/mm: Memory block size: 128MB [ 3.163548][ T1] Running RCU synchronous self tests [ 3.165119][ T1] Running RCU synchronous self tests [ 3.166500][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.171387][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 3.176515][ T1] PM: RTC time: 10:37:17, date: 2024-08-02 [ 3.188915][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 3.195556][ T1] audit: initializing netlink subsys (disabled) [ 3.201401][ T29] audit: type=2000 audit(1722595037.903:1): state=initialized audit_enabled=0 res=1 [ 3.204608][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.204608][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.211163][ T1] cpuidle: using governor menu [ 3.214005][ T1] NET: Registered PF_QIPCRTR protocol family [ 3.217489][ T1] dca service started, version 1.12.1 [ 3.217489][ T1] PCI: Using configuration type 1 for base access [ 3.241289][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages [ 3.251067][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page [ 3.252294][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 3.253589][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 3.271222][ T1] cryptd: max_cpu_qlen set to 1000 [ 3.284568][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 3.286104][ T1] raid6: using avx2x2 recovery algorithm [ 3.291761][ T14] Callback from call_rcu_tasks() invoked. [ 3.291643][ T1] ACPI: Added _OSI(Module Device) [ 3.291643][ T1] ACPI: Added _OSI(Processor Device) [ 3.291643][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.291643][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.500036][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.562932][ T1] ACPI: Interpreter enabled [ 3.564648][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.565494][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.567028][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.568776][ T1] PCI: Ignoring E820 reservations for host bridge windows [ 3.576788][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.856076][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.857709][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.859523][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.872111][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge [ 3.887899][ T1] PCI host bridge to bus 0000:00 [ 3.889317][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.891557][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.893190][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.894910][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.897151][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.899819][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.901600][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint [ 3.911097][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint [ 3.943691][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint [ 3.971062][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.973915][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint [ 3.985642][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f] [ 4.002547][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f] [ 4.020322][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint [ 4.037946][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f] [ 4.045684][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f] [ 4.062758][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint [ 4.075949][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff] [ 4.102448][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.110215][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 conventional PCI endpoint [ 4.130328][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f] [ 4.130372][ T1] pci 0000:00:06.0: BAR 1 [mem 0xfe802000-0xfe80207f] [ 4.159197][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 4.162339][ T1] pci 0000:00:07.0: BAR 0 [io 0xc0a0-0xc0bf] [ 4.168306][ T1] pci 0000:00:07.0: BAR 1 [mem 0xfe803000-0xfe80303f] [ 4.236105][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.246879][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.257569][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.277263][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.283114][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.309632][ T1] iommu: Default domain type: Translated [ 4.311109][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.320509][ T1] SCSI subsystem initialized [ 4.321126][ T1] ACPI: bus type USB registered [ 4.321126][ T1] usbcore: registered new interface driver usbfs [ 4.321126][ T1] usbcore: registered new interface driver hub [ 4.321463][ T1] usbcore: registered new device driver usb [ 4.325534][ T1] mc: Linux media interface: v0.10 [ 4.326936][ T1] videodev: Linux video capture interface: v2.00 [ 4.329784][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.331109][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.333296][ T1] PTP clock support registered [ 4.351069][ T1] EDAC MC: Ver: 3.0.0 [ 4.356855][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.367874][ T1] Bluetooth: Core ver 2.22 [ 4.369180][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.370361][ T1] Bluetooth: HCI device and connection manager initialized [ 4.381199][ T1] Bluetooth: HCI socket layer initialized [ 4.382445][ T1] Bluetooth: L2CAP socket layer initialized [ 4.383852][ T1] Bluetooth: SCO socket layer initialized [ 4.385054][ T1] NET: Registered PF_ATMPVC protocol family [ 4.386004][ T1] NET: Registered PF_ATMSVC protocol family [ 4.387414][ T1] NetLabel: Initializing [ 4.388099][ T1] NetLabel: domain hash size = 128 [ 4.388913][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.390214][ T1] NetLabel: unlabeled traffic allowed by default [ 4.394375][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.394375][ T1] NET: Registered PF_NFC protocol family [ 4.396339][ T1] PCI: Using ACPI for IRQ routing [ 4.402018][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.403273][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.404235][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.406441][ T1] vgaarb: loaded [ 4.421057][ T1] clocksource: Switched to clocksource kvm-clock [ 4.424146][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.430841][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.448810][ T1] netfs: FS-Cache loaded [ 4.451925][ T1] CacheFiles: Loaded [ 4.454240][ T1] TOMOYO: 2.6.0 [ 4.455506][ T1] Mandatory Access Control activated. [ 4.463343][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.465896][ T1] pnp: PnP ACPI init [ 4.504446][ T1] pnp: PnP ACPI: found 7 devices [ 4.604088][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.624775][ T1] NET: Registered PF_INET protocol family [ 4.632911][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.647337][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 4.651396][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.656427][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.672461][ T1] TCP bind hash table entries: 65536 (order: 11, 9437184 bytes, vmalloc hugepage) [ 4.688280][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.697363][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 4.706210][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 4.712728][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 4.716820][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.723688][ T1] RPC: Registered named UNIX socket transport module. [ 4.725083][ T1] RPC: Registered udp transport module. [ 4.726299][ T1] RPC: Registered tcp transport module. [ 4.727217][ T1] RPC: Registered tcp-with-tls transport module. [ 4.728591][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.733956][ T1] NET: Registered PF_XDP protocol family [ 4.735091][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.736375][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.737501][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.738726][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.741690][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.742964][ T1] PCI: CLS 0 bytes, default 64 [ 4.752449][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.754142][ T1] software IO TLB: mapped [mem 0x00000000b5200000-0x00000000b9200000] (64MB) [ 4.755578][ T1] ACPI: bus type thunderbolt registered [ 4.760545][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.775051][ T64] kworker/u8:3 (64) used greatest stack depth: 26936 bytes left [ 4.794264][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 4.795325][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb7175b604, max_idle_ns: 440795271175 ns [ 4.798618][ T1] clocksource: Switched to clocksource tsc [ 4.818541][ T71] kworker/u8:2 (71) used greatest stack depth: 25168 bytes left [ 4.833866][ C1] ------------[ cut here ]------------ [ 4.834875][ C1] WARNING: CPU: 1 PID: 11 at mm/slub.c:4550 slab_free_after_rcu_debug+0x18b/0x270 [ 4.834942][ C1] Modules linked in: [ 4.834977][ C1] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.11.0-rc1-next-20240802-syzkaller-02947-gf524a5e4dfb7 #0 [ 4.835002][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 4.835019][ C1] Workqueue: eval_map_wq eval_map_work_func [ 4.835048][ C1] RIP: 0010:slab_free_after_rcu_debug+0x18b/0x270 [ 4.835073][ C1] Code: 48 89 04 19 48 8d 4a 08 49 8b 34 24 65 48 0f c7 0e 75 c8 4c 89 f7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 36 55 ff ff 90 <0f> 0b 90 eb 92 90 0f 0b 90 eb 8c 90 0f 0b 90 eb 86 41 8b 54 24 1c [ 4.835094][ C1] RSP: 0000:ffffc90000a18bc0 EFLAGS: 00010286 [ 4.835111][ C1] RAX: ffff88823bc00000 RBX: ffff8880187c8940 RCX: 0000000000022fe0 [ 4.835126][ C1] RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 4.835138][ C1] RBP: ffffc90000a18e30 R08: ffffffff8142b2ec R09: 1ffffffff26e8ce3 [ 4.835153][ C1] R10: dffffc0000000000 R11: ffffffff81f0bb80 R12: dffffc0000000000 [ 4.835167][ C1] R13: ffffffff817bd996 R14: ffff88823bc22fe0 R15: ffffea000061f200 [ 4.835182][ C1] FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 [ 4.835198][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4.835211][ C1] CR2: 0000000000000000 CR3: 000000000e734000 CR4: 00000000003506f0 [ 4.835227][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4.835239][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4.835251][ C1] Call Trace: [ 4.835259][ C1] [ 4.835268][ C1] ? __warn+0x168/0x4e0 [ 4.835287][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 4.835309][ C1] ? report_bug+0x2b3/0x500 [ 4.835335][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 4.835360][ C1] ? handle_bug+0x3e/0x70 [ 4.835382][ C1] ? exc_invalid_op+0x1a/0x50 [ 4.835402][ C1] ? asm_exc_invalid_op+0x1a/0x20 [ 4.835427][ C1] ? rcu_core+0xa86/0x1830 [ 4.835446][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 4.835467][ C1] ? __phys_addr+0xac/0x170 [ 4.835489][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 4.835514][ C1] ? rcu_core+0xa86/0x1830 [ 4.835530][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 4.835552][ C1] rcu_core+0xafd/0x1830 [ 4.835586][ C1] ? __pfx_rcu_core+0x10/0x10 [ 4.835609][ C1] ? sched_balance_domains+0x91b/0xa90 [ 4.835643][ C1] ? sched_balance_domains+0x1b2/0xa90 [ 4.835665][ C1] ? __pfx_sched_balance_domains+0x10/0x10 [ 4.835696][ C1] handle_softirqs+0x2c4/0x970 [ 4.835725][ C1] ? __irq_exit_rcu+0xf4/0x1c0 [ 4.835753][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 4.835781][ C1] ? irqtime_account_irq+0xd4/0x1e0 [ 4.835811][ C1] __irq_exit_rcu+0xf4/0x1c0 [ 4.835834][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 4.835867][ C1] irq_exit_rcu+0x9/0x30 [ 4.835896][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 4.835924][ C1] [ 4.835931][ C1] [ 4.835939][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4.835963][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x70 [ 4.835991][ C1] Code: 24 65 48 8b 0c 25 80 d7 03 00 65 8b 15 20 ed 6f 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c <8b> 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 [ 4.836007][ C1] RSP: 0000:ffffc90000107ac8 EFLAGS: 00000246 [ 4.836024][ C1] RAX: ffffffff819c8ec6 RBX: 0000000000000000 RCX: ffff888017a93c00 [ 4.836038][ C1] RDX: 0000000000000000 RSI: 000000000000005f RDI: 000000000000005f [ 4.836049][ C1] RBP: 000000000000005f R08: ffffffff819c8f1b R09: ffffffff819c8f35 [ 4.836062][ C1] R10: 0000000000000003 R11: ffff888017a93c00 R12: ffffffff91966d88 [ 4.836075][ C1] R13: dffffc0000000000 R14: ffffffff8ebf1490 R15: ffffffff8ebf148f [ 4.836092][ C1] ? trace_event_eval_update+0x6b5/0xf90 [ 4.836110][ C1] ? trace_event_eval_update+0x69b/0xf90 [ 4.836126][ C1] ? trace_event_eval_update+0x646/0xf90 [ 4.836149][ C1] trace_event_eval_update+0x646/0xf90 [ 4.836190][ C1] ? process_scheduled_works+0x945/0x1830 [ 4.836213][ C1] process_scheduled_works+0xa2c/0x1830 [ 4.836260][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 4.836293][ C1] ? assign_work+0x364/0x3d0 [ 4.836320][ C1] worker_thread+0x86d/0xd10 [ 4.836358][ C1] ? __kthread_parkme+0x169/0x1d0 [ 4.836385][ C1] ? __pfx_worker_thread+0x10/0x10 [ 4.836410][ C1] kthread+0x2f0/0x390 [ 4.836429][ C1] ? __pfx_worker_thread+0x10/0x10 [ 4.836453][ C1] ? __pfx_kthread+0x10/0x10 [ 4.836472][ C1] ret_from_fork+0x4b/0x80 [ 4.836498][ C1] ? __pfx_kthread+0x10/0x10 [ 4.836516][ C1] ret_from_fork_asm+0x1a/0x30 [ 4.836556][ C1] [ 4.836571][ C1] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 4.893666][ C1] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.11.0-rc1-next-20240802-syzkaller-02947-gf524a5e4dfb7 #0 [ 4.893666][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 4.893666][ C1] Workqueue: eval_map_wq eval_map_work_func [ 4.893666][ C1] Call Trace: [ 4.893666][ C1] [ 4.893666][ C1] dump_stack_lvl+0x241/0x360 [ 4.893666][ C1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 4.893666][ C1] ? __pfx__printk+0x10/0x10 [ 4.893666][ C1] ? vscnprintf+0x5d/0x90 [ 4.893666][ C1] panic+0x349/0x880 [ 4.893666][ C1] ? __warn+0x177/0x4e0 [ 4.893666][ C1] ? __pfx_panic+0x10/0x10 [ 4.893666][ C1] ? ret_from_fork_asm+0x1a/0x30 [ 4.893666][ C1] __warn+0x34b/0x4e0 [ 4.893666][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 4.893666][ C1] report_bug+0x2b3/0x500 [ 4.893666][ C1] ? slab_free_after_rcu_debug+0x18b/0x270 [ 4.893666][ C1] handle_bug+0x3e/0x70 [ 4.893666][ C1] exc_invalid_op+0x1a/0x50 [ 4.893666][ C1] asm_exc_invalid_op+0x1a/0x20 [ 4.893666][ C1] RIP: 0010:slab_free_after_rcu_debug+0x18b/0x270 [ 4.893666][ C1] Code: 48 89 04 19 48 8d 4a 08 49 8b 34 24 65 48 0f c7 0e 75 c8 4c 89 f7 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 36 55 ff ff 90 <0f> 0b 90 eb 92 90 0f 0b 90 eb 8c 90 0f 0b 90 eb 86 41 8b 54 24 1c [ 4.893666][ C1] RSP: 0000:ffffc90000a18bc0 EFLAGS: 00010286 [ 4.893666][ C1] RAX: ffff88823bc00000 RBX: ffff8880187c8940 RCX: 0000000000022fe0 [ 4.893666][ C1] RDX: ffffea0000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 4.893666][ C1] RBP: ffffc90000a18e30 R08: ffffffff8142b2ec R09: 1ffffffff26e8ce3 [ 4.893666][ C1] R10: dffffc0000000000 R11: ffffffff81f0bb80 R12: dffffc0000000000 [ 4.893666][ C1] R13: ffffffff817bd996 R14: ffff88823bc22fe0 R15: ffffea000061f200 [ 4.893666][ C1] ? rcu_core+0xa86/0x1830 [ 4.893666][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 4.893666][ C1] ? __phys_addr+0xac/0x170 [ 4.893666][ C1] ? rcu_core+0xa86/0x1830 [ 4.893666][ C1] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 4.893666][ C1] rcu_core+0xafd/0x1830 [ 4.893666][ C1] ? __pfx_rcu_core+0x10/0x10 [ 4.893666][ C1] ? sched_balance_domains+0x91b/0xa90 [ 4.893666][ C1] ? sched_balance_domains+0x1b2/0xa90 [ 4.893666][ C1] ? __pfx_sched_balance_domains+0x10/0x10 [ 4.893666][ C1] handle_softirqs+0x2c4/0x970 [ 4.893666][ C1] ? __irq_exit_rcu+0xf4/0x1c0 [ 4.893666][ C1] ? __pfx_handle_softirqs+0x10/0x10 [ 4.893666][ C1] ? irqtime_account_irq+0xd4/0x1e0 [ 4.893666][ C1] __irq_exit_rcu+0xf4/0x1c0 [ 4.893666][ C1] ? __pfx___irq_exit_rcu+0x10/0x10 [ 4.893666][ C1] irq_exit_rcu+0x9/0x30 [ 4.893666][ C1] sysvec_apic_timer_interrupt+0xa6/0xc0 [ 4.893666][ C1] [ 4.893666][ C1] [ 4.893666][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 4.893666][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x31/0x70 [ 4.893666][ C1] Code: 24 65 48 8b 0c 25 80 d7 03 00 65 8b 15 20 ed 6f 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 1c 16 00 00 00 74 2c <8b> 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 [ 4.893666][ C1] RSP: 0000:ffffc90000107ac8 EFLAGS: 00000246 [ 4.893666][ C1] RAX: ffffffff819c8ec6 RBX: 0000000000000000 RCX: ffff888017a93c00 [ 4.893666][ C1] RDX: 0000000000000000 RSI: 000000000000005f RDI: 000000000000005f [ 4.893666][ C1] RBP: 000000000000005f R08: ffffffff819c8f1b R09: ffffffff819c8f35 [ 4.893666][ C1] R10: 0000000000000003 R11: ffff888017a93c00 R12: ffffffff91966d88 [ 4.893666][ C1] R13: dffffc0000000000 R14: ffffffff8ebf1490 R15: ffffffff8ebf148f [ 4.893666][ C1] ? trace_event_eval_update+0x6b5/0xf90 [ 4.893666][ C1] ? trace_event_eval_update+0x69b/0xf90 [ 4.893666][ C1] ? trace_event_eval_update+0x646/0xf90 [ 4.893666][ C1] trace_event_eval_update+0x646/0xf90 [ 4.893666][ C1] ? process_scheduled_works+0x945/0x1830 [ 4.893666][ C1] process_scheduled_works+0xa2c/0x1830 [ 4.893666][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 4.893666][ C1] ? assign_work+0x364/0x3d0 [ 4.893666][ C1] worker_thread+0x86d/0xd10 [ 4.893666][ C1] ? __kthread_parkme+0x169/0x1d0 [ 4.893666][ C1] ? __pfx_worker_thread+0x10/0x10 [ 4.893666][ C1] kthread+0x2f0/0x390 [ 4.893666][ C1] ? __pfx_worker_thread+0x10/0x10 [ 4.893666][ C1] ? __pfx_kthread+0x10/0x10 [ 4.893666][ C1] ret_from_fork+0x4b/0x80 [ 4.893666][ C1] ? __pfx_kthread+0x10/0x10 [ 4.893666][ C1] ret_from_fork_asm+0x1a/0x30 [ 4.893666][ C1] [ 4.893666][ C1] Kernel Offset: disabled [ 4.893666][ C1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=) GO111MODULE='auto' GOARCH='amd64' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFLAGS='' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMODCACHE='/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs-2/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.21.4' GCCGO='gccgo' GOAMD64='v1' AR='ar' CC='gcc' CXX='g++' CGO_ENABLED='1' GOMOD='/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.mod' GOWORK='' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' PKG_CONFIG='pkg-config' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1977788018=/tmp/go-build -gno-record-gcc-switches' git status (err=) HEAD detached at 0b33604d8e nothing to commit, working tree clean go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=0b33604d8e2793b82ec89abecf82d92b82e3d410 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220208-143322'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=0b33604d8e2793b82ec89abecf82d92b82e3d410 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220208-143322'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=0b33604d8e2793b82ec89abecf82d92b82e3d410 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20220208-143322'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"0b33604d8e2793b82ec89abecf82d92b82e3d410\"