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Sun, 02 Feb 2025 00:42:02 -0800 (PST) Date: Sun, 02 Feb 2025 00:42:02 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <679f2fda.050a0220.163cdc.002d.GAE@google.com> Subject: Re: [syzbot] [mm?] kernel BUG in alloc_hugetlb_folio_reserve From: syzbot To: akpm@linux-foundation.org, david@redhat.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, muchun.song@linux.dev, steven.sistare@oracle.com, syzkaller-bugs@googlegroups.com, vivek.kasireddy@intel.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: gsr98u5nqidzmajc7mpbajwnugcemh1p X-Rspam-User: X-Rspamd-Queue-Id: 53ABC2000A X-Rspamd-Server: rspam03 X-HE-Tag: 1738485723-963078 X-HE-Meta: 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 pngLaKbE 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 wd6qPuUK d/pD2Xv3tfWxBNY0ZOAS+k0ymII+1+bcd/M7mQzSif/qbyzRn+d+WgPoRoCl5Ju/yOOQ1/Po5GEEeL/nYP8ygchRpaigTZDo X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hello, syzbot tried to test the proposed patch but the build/boot failed: ion. [ 2.130514][ T0] rcu: RCU lockdep checking is enabled. [ 2.131658][ T0] rcu: RCU restricting CPUs from NR_CPUS=3D8 to nr_cp= u_ids=3D2. [ 2.133496][ T0] rcu: RCU callback double-/use-after-free debug is e= nabled. [ 2.135607][ T0] rcu: RCU debug extended QS entry/exit. [ 2.136968][ T0] All grace periods are expedited (rcu_expedited). [ 2.138639][ T0] Trampoline variant of Tasks RCU enabled. [ 2.140002][ T0] Tracing variant of Tasks RCU enabled. [ 2.141336][ T0] rcu: RCU calculated value of scheduler-enlistment de= lay is 10 jiffies. [ 2.143973][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=3D16, nr= _cpu_ids=3D2 [ 2.145728][ T0] Running RCU synchronous self tests [ 2.146981][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_= cb_adjust=3D1 rcu_task_cpu_ids=3D2. [ 2.149915][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu= _task_cb_adjust=3D1 rcu_task_cpu_ids=3D2. [ 2.258608][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.261704][ T0] rcu: srcu_init: Setting srcu_struct sizes based on c= ontention. [ 2.264082][ T0] kfence: initialized - using 2097152 bytes for 255 ob= jects at 0xffff88823be00000-0xffff88823c000000 [ 2.269374][ T0] Console: colour VGA+ 80x25 [ 2.270603][ T0] printk: legacy console [ttyS0] enabled [ 2.270603][ T0] printk: legacy console [ttyS0] enabled [ 2.272761][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.272761][ T0] printk: legacy bootconsole [earlyser0] disabled [ 2.275644][ T0] Lock dependency validator: Copyright (c) 2006 Red Ha= t, Inc., Ingo Molnar [ 2.277975][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.279183][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.280447][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.281361][ T0] ... CLASSHASH_SIZE: 4096 [ 2.282394][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 2.283558][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 2.284862][ T0] ... CHAINHASH_SIZE: 524288 [ 2.286806][ T0] memory used by lock dependency info: 106625 kB [ 2.288529][ T0] memory used for stack traces: 8320 kB [ 2.289602][ T0] per task-struct memory footprint: 1920 bytes [ 2.291238][ T0] mempolicy: Enabling automatic NUMA balancing. Config= ure with numa_balancing=3D or the kernel.numa_balancing sysctl [ 2.294409][ T0] ACPI: Core revision 20240827 [ 2.296355][ T0] APIC: Switch to symmetric I/O mode setup [ 2.298209][ T0] x2apic enabled [ 2.303688][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.311364][ T0] ..TIMER: vector=3D0x30 apic1=3D0 pin1=3D0 apic2=3D-1= pin2=3D-1 [ 2.313609][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max= _cycles: 0x1fb6feccdd0, max_idle_ns: 440795259471 ns [ 2.316871][ T0] Calibrating delay loop (skipped) preset value.. 4400= .43 BogoMIPS (lpj=3D22002160) [ 2.319890][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 2.321307][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 2.322770][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers an= d __user pointer sanitization [ 2.324366][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing= on syscall and VM exit [ 2.326870][ T0] Spectre V2 : Mitigation: IBRS [ 2.327601][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Fil= ling RSB on context switch [ 2.330500][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB o= n VMEXIT [ 2.332726][ T0] RETBleed: Mitigation: IBRS [ 2.333465][ T0] Spectre V2 : mitigation: Enabling conditional Indire= ct Branch Prediction Barrier [ 2.334871][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 2.336078][ T0] Speculative Store Bypass: Mitigation: Speculative St= ore Bypass disabled via prctl [ 2.336905][ T0] MDS: Mitigation: Clear CPU buffers [ 2.337878][ T0] TAA: Mitigation: Clear CPU buffers [ 2.338896][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attem= pted, no microcode [ 2.340555][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floati= ng point registers' [ 2.342580][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE regist= ers' [ 2.344048][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX regist= ers' [ 2.345382][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 2= 56 [ 2.346865][ T0] x86/fpu: Enabled xstate features 0x7, context size i= s 832 bytes, using 'standard' format. [ 2.588452][ T0] Freeing SMP alternatives memory: 128K [ 2.590535][ T0] pid_max: default: 32768 minimum: 301 [ 2.592277][ T0] LSM: initializing lsm=3Dlockdown,capability,landlock= ,yama,safesetid,tomoyo,apparmor,bpf,ima,evm [ 2.595992][ T0] landlock: Up and running. [ 2.596871][ T0] Yama: becoming mindful. [ 2.598081][ T0] TOMOYO Linux initialized [ 2.599898][ T0] AppArmor: AppArmor initialized [ 2.602499][ T0] LSM support for eBPF active [ 2.608983][ T0] Dentry cache hash table entries: 1048576 (order: 11,= 8388608 bytes, vmalloc hugepage) [ 2.615415][ T0] Inode-cache hash table entries: 524288 (order: 10, 4= 194304 bytes, vmalloc hugepage) [ 2.617267][ T0] Mount-cache hash table entries: 16384 (order: 5, 131= 072 bytes, vmalloc) [ 2.619434][ T0] Mountpoint-cache hash table entries: 16384 (order: 5= , 131072 bytes, vmalloc) [ 2.627035][ T0] Running RCU synchronous self tests [ 2.628129][ T0] Running RCU synchronous self tests [ 2.750438][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (famil= y: 0x6, model: 0x4f, stepping: 0x0) [ 2.756853][ T1] Running RCU Tasks wait API self tests [ 2.857346][ T1] Running RCU Tasks Trace wait API self tests [ 2.859468][ T1] Performance Events: unsupported p6 CPU model 79 no P= MU driver, software events only. [ 2.861809][ T1] signal: max sigframe size: 1776 [ 2.863570][ T1] rcu: Hierarchical SRCU implementation. [ 2.865262][ T1] rcu: Max phase no-delay instances is 1000. [ 2.867896][ T1] Timer migration: 1 hierarchy levels; 8 children per = group; 0 crossnode level [ 2.874826][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.877129][ T15] Callback from call_rcu_tasks_trace() invoked. [ 2.879103][ T1] smp: Bringing up secondary CPUs ... [ 2.882760][ T1] smpboot: x86: Booting SMP configuration: [ 2.884255][ T1] .... node #0, CPUs: #1 [ 2.886979][ T22] ------------[ cut here ]------------ [ 2.886979][ T22] workqueue: work disable count underflowed [ 2.886979][ T22] WARNING: CPU: 1 PID: 22 at kernel/workqueue.c:4317 e= nable_work+0x34d/0x360 [ 2.886979][ T22] Modules linked in: [ 2.886979][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13= .0-rc6-syzkaller-00914-g69b73d2c8219 #0 [ 2.886979][ T22] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 12/27/2024 [ 2.886979][ T22] RIP: 0010:enable_work+0x34d/0x360 [ 2.886979][ T22] Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc c= c e8 a8 83 37 00 c6 05 89 be 9b 0e 01 90 48 c7 c7 a0 d0 09 8c e8 d4 25 f8 f= f 90 <0f> 0b 90 90 e9 56 ff ff ff e8 45 a7 60 0a 0f 1f 44 00 00 90 90 90 [ 2.886979][ T22] RSP: 0000:ffffc900001c7bc0 EFLAGS: 00010046 [ 2.886979][ T22] RAX: 2f26641b0aa6cb00 RBX: 0000000000000000 RCX: fff= f88801cee3c00 [ 2.886979][ T22] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 2.886979][ T22] RBP: ffffc900001c7c88 R08: ffffffff81600af2 R09: 1ff= ffffff1cfa0f4 [ 2.886979][ T22] R10: dffffc0000000000 R11: fffffbfff1cfa0f5 R12: 1ff= ff92000038f7c [ 2.886979][ T22] R13: 1ffff92000038f84 R14: 001fffffffc00001 R15: fff= f8880b8738770 [ 2.886979][ T22] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000= ) knlGS:0000000000000000 [ 2.886979][ T22] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.886979][ T22] CR2: 0000000000000000 CR3: 000000000e736000 CR4: 000= 00000003506f0 [ 2.886979][ T22] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 2.886979][ T22] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 2.886979][ T22] Call Trace: [ 2.886979][ T22] [ 2.886979][ T22] ? __warn+0x165/0x4d0 [ 2.886979][ T22] ? enable_work+0x34d/0x360 [ 2.886979][ T22] ? report_bug+0x2b3/0x500 [ 2.886979][ T22] ? enable_work+0x34d/0x360 [ 2.886979][ T22] ? handle_bug+0x60/0x90 [ 2.886979][ T22] ? exc_invalid_op+0x1a/0x50 [ 2.886979][ T22] ? asm_exc_invalid_op+0x1a/0x20 [ 2.886979][ T22] ? __warn_printk+0x292/0x360 [ 2.886979][ T22] ? enable_work+0x34d/0x360 [ 2.886979][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.886979][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.886979][ T22] ? rcu_is_watching+0x15/0xb0 [ 2.886979][ T22] vmstat_cpu_online+0xbb/0xe0 [ 2.886979][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.886979][ T22] cpuhp_invoke_callback+0x48d/0x830 [ 2.886979][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.886979][ T22] cpuhp_thread_fun+0x41c/0x810 [ 2.886979][ T22] ? cpuhp_thread_fun+0x130/0x810 [ 2.886979][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.886979][ T22] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 2.886979][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.886979][ T22] smpboot_thread_fn+0x544/0xa30 [ 2.886979][ T22] ? smpboot_thread_fn+0x4e/0xa30 [ 2.886979][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.886979][ T22] kthread+0x2f0/0x390 [ 2.886979][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.886979][ T22] ? __pfx_kthread+0x10/0x10 [ 2.886979][ T22] ret_from_fork+0x4b/0x80 [ 2.886979][ T22] ? __pfx_kthread+0x10/0x10 [ 2.886979][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.886979][ T22] [ 2.886979][ T22] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 2.886979][ T22] CPU: 1 UID: 0 PID: 22 Comm: cpuhp/1 Not tainted 6.13= .0-rc6-syzkaller-00914-g69b73d2c8219 #0 [ 2.886979][ T22] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 12/27/2024 [ 2.886979][ T22] Call Trace: [ 2.886979][ T22] [ 2.886979][ T22] dump_stack_lvl+0x241/0x360 [ 2.886979][ T22] ? __pfx_dump_stack_lvl+0x10/0x10 [ 2.886979][ T22] ? rcu_is_watching+0x15/0xb0 [ 2.886979][ T22] ? notifier_call_chain+0x3cc/0x3f0 [ 2.886979][ T22] ? atomic_notifier_call_chain+0x26/0x180 [ 2.886979][ T22] panic+0x438/0x950 [ 2.886979][ T22] ? is_bpf_text_address+0x26/0x2a0 [ 2.886979][ T22] ? __pfx_panic+0x10/0x10 [ 2.886979][ T22] ? __warn+0x174/0x4d0 [ 2.886979][ T22] ? ret_from_fork_asm+0x1a/0x30 [ 2.886979][ T22] __warn+0x344/0x4d0 [ 2.886979][ T22] ? enable_work+0x34d/0x360 [ 2.886979][ T22] report_bug+0x2b3/0x500 [ 2.886979][ T22] ? enable_work+0x34d/0x360 [ 2.886979][ T22] handle_bug+0x60/0x90 [ 2.886979][ T22] exc_invalid_op+0x1a/0x50 [ 2.886979][ T22] asm_exc_invalid_op+0x1a/0x20 [ 2.886979][ T22] RIP: 0010:enable_work+0x34d/0x360 [ 2.886979][ T22] Code: d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc c= c e8 a8 83 37 00 c6 05 89 be 9b 0e 01 90 48 c7 c7 a0 d0 09 8c e8 d4 25 f8 f= f 90 <0f> 0b 90 90 e9 56 ff ff ff e8 45 a7 60 0a 0f 1f 44 00 00 90 90 90 [ 2.886979][ T22] RSP: 0000:ffffc900001c7bc0 EFLAGS: 00010046 [ 2.886979][ T22] RAX: 2f26641b0aa6cb00 RBX: 0000000000000000 RCX: fff= f88801cee3c00 [ 2.886979][ T22] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 2.886979][ T22] RBP: ffffc900001c7c88 R08: ffffffff81600af2 R09: 1ff= ffffff1cfa0f4 [ 2.886979][ T22] R10: dffffc0000000000 R11: fffffbfff1cfa0f5 R12: 1ff= ff92000038f7c [ 2.886979][ T22] R13: 1ffff92000038f84 R14: 001fffffffc00001 R15: fff= f8880b8738770 [ 2.886979][ T22] ? __warn_printk+0x292/0x360 [ 2.886979][ T22] ? __pfx_enable_work+0x10/0x10 [ 2.886979][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.886979][ T22] ? rcu_is_watching+0x15/0xb0 [ 2.886979][ T22] vmstat_cpu_online+0xbb/0xe0 [ 2.886979][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.886979][ T22] cpuhp_invoke_callback+0x48d/0x830 [ 2.886979][ T22] ? __pfx_vmstat_cpu_online+0x10/0x10 [ 2.886979][ T22] cpuhp_thread_fun+0x41c/0x810 [ 2.886979][ T22] ? cpuhp_thread_fun+0x130/0x810 [ 2.886979][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.886979][ T22] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 2.886979][ T22] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 2.886979][ T22] smpboot_thread_fn+0x544/0xa30 [ 2.886979][ T22] ? smpboot_thread_fn+0x4e/0xa30 [ 2.886979][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.886979][ T22] kthread+0x2f0/0x390 [ 2.886979][ T22] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 2.886979][ T22] ? __pfx_kthread+0x10/0x10 [ 2.886979][ T22] ret_from_fork+0x4b/0x80 [ 2.886979][ T22] ? __pfx_kthread+0x10/0x10 [ 2.886979][ T22] ret_from_fork_asm+0x1a/0x30 [ 2.886979][ T22] [ 2.886979][ T22] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs-2/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs-2/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.22.7' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs-2/linux/gopath/src/github.com/google/syzkaller/go.= mod' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build3618939523=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at 0dff8567c6 nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3D0dff8567c67759be4a708acb57229945322c6c88 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20250201-114913'" -o ./b= in/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -std=3Dc++17 -I. -Iexecutor/_include -DGOOS_linux=3D1 -DGOARCH= _amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"0dff8567c67759be4a708acb5722994532= 2c6c88\" go: downloading github.com/google/flatbuffers v25.1.24+incompatible go: downloading golang.org/x/oauth2 v0.25.0 /usr/bin/ld: /tmp/ccBqfu1T.o: in function `Connection::Connect(char const*,= char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEP= KcS1_]+0x104): warning: Using 'gethostbyname' in statically linked applicat= ions requires at runtime the shared libraries from the glibc version used f= or linking Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D15941724580000 Tested on: commit: 69b73d2c mm/memfd: reserve hugetlb folios before alloc.. git tree: https://gitlab.freedesktop.org/Vivek/drm-tip.git syzbot_fix= _htlb_reserve kernel config: https://syzkaller.appspot.com/x/.config?x=3De794247163dd8c0= 0 dashboard link: https://syzkaller.appspot.com/bug?extid=3Da504cb5bae4fe117b= a94 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 Note: no patches were applied.