./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor550817428 <...> Warning: Permanently added '10.128.1.193' (ED25519) to the list of known hosts. execve("./syz-executor550817428", ["./syz-executor550817428"], 0x7ffed331ad30 /* 10 vars */) = 0 brk(NULL) = 0x555584721000 brk(0x555584721d00) = 0x555584721d00 arch_prctl(ARCH_SET_FS, 0x555584721380) = 0 set_tid_address(0x555584721650) = 296 set_robust_list(0x555584721660, 24) = 0 rseq(0x555584721ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor550817428", 4096) = 27 getrandom("\xe6\x3b\x56\xfd\x95\x2c\xf3\x9a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555584721d00 brk(0x555584742d00) = 0x555584742d00 brk(0x555584743000) = 0x555584743000 mprotect(0x7f6ec9822000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program ./strace-static-x86_64: Process 297 attached , child_tidptr=0x555584721650) = 297 [pid 297] set_robust_list(0x555584721660, 24) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] setpgid(0, 0) = 0 [pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "1000", 4) = 4 [pid 297] close(3) = 0 [pid 297] write(1, "executing program\n", 18) = 18 [pid 297] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 297] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 297] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 297] exit_group(0) = ? [pid 297] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 299 ./strace-static-x86_64: Process 299 attached [ 21.866976][ T36] audit: type=1400 audit(1753531161.309:64): avc: denied { execmem } for pid=296 comm="syz-executor550" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.869491][ T297] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 21.870707][ T36] audit: type=1400 audit(1753531161.319:65): avc: denied { write } for pid=297 comm="syz-executor550" name="kvm" dev="devtmpfs" ino=13 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 21.875582][ T36] audit: type=1400 audit(1753531161.319:66): avc: denied { open } for pid=297 comm="syz-executor550" path="/dev/kvm" dev="devtmpfs" ino=13 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 21.882333][ T36] audit: type=1400 audit(1753531161.319:67): avc: denied { ioctl } for pid=297 comm="syz-executor550" path="/dev/kvm" dev="devtmpfs" ino=13 ioctlcmd=0xae01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [pid 299] set_robust_list(0x555584721660, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] write(1, "executing program\n", 18executing program ) = 18 [pid 299] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 299] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 299] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 299] exit_group(0) = ? [ 21.959551][ T299] ------------[ cut here ]------------ [ 21.965030][ T299] WARNING: CPU: 1 PID: 299 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 21.974816][ T299] Modules linked in: [ 21.978722][ T299] CPU: 1 UID: 0 PID: 299 Comm: syz-executor550 Not tainted 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 21.992619][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 22.002710][ T299] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 22.008602][ T299] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 22.028581][ T299] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202 [ 22.034677][ T299] RAX: 1ffffd1ffff80df2 RBX: ffffc9000129a8e8 RCX: ffffffff816dadc9 [ 22.042663][ T299] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc06f90 [ 22.050649][ T299] RBP: ffffc9000124fb10 R08: ffffe8ffffc06f97 R09: 1ffffd1ffff80df2 [ 22.058616][ T299] R10: dffffc0000000000 R11: fffff91ffff80df3 R12: dffffc0000000000 [ 22.066603][ T299] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc06f90 [ 22.074582][ T299] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.083534][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.090159][ T299] CR2: 0000555584721650 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 22.098159][ T299] Call Trace: [ 22.101459][ T299] [ 22.104384][ T299] kvm_put_kvm+0x1100/0x12b0 [ 22.108992][ T299] ? __cfi_kvm_vm_release+0x10/0x10 [ 22.114189][ T299] kvm_vm_release+0x47/0x70 [ 22.118683][ T299] __fput+0x1fe/0xa00 [ 22.122676][ T299] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.128217][ T299] ____fput+0x20/0x30 [ 22.132216][ T299] task_work_run+0x1e0/0x250 [ 22.136805][ T299] ? __cfi_task_work_run+0x10/0x10 [ 22.141927][ T299] ? __kasan_check_write+0x18/0x20 [ 22.147060][ T299] do_exit+0x9bc/0x2630 [ 22.151233][ T299] ? __cfi_do_exit+0x10/0x10 [ 22.155815][ T299] ? __kasan_check_write+0x18/0x20 [ 22.160947][ T299] ? _raw_spin_lock_irq+0x8d/0x120 [ 22.166057][ T299] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.171696][ T299] ? zap_other_threads+0x334/0x370 [ 22.176800][ T299] do_group_exit+0x22a/0x300 [ 22.181393][ T299] __x64_sys_exit_group+0x43/0x50 [ 22.186414][ T299] x64_sys_call+0x2ed2/0x2ee0 [ 22.191189][ T299] do_syscall_64+0x58/0xf0 [ 22.195601][ T299] ? clear_bhb_loop+0x50/0xa0 [ 22.200290][ T299] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 22.206185][ T299] RIP: 0033:0x7f6ec97adb89 [ 22.210622][ T299] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 22.217643][ T299] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.226058][ T299] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 22.234050][ T299] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 22.242032][ T299] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 22.250029][ T299] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [pid 299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 300 ./strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x555584721660, 24) = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] setpgid(0, 0) = 0 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 300] write(3, "1000", 4) = 4 [pid 300] close(3) = 0 executing program [pid 300] write(1, "executing program\n", 18) = 18 [pid 300] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 300] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 300] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 300] exit_group(0) = ? [ 22.257991][ T299] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 22.265974][ T299] [ 22.269015][ T299] ---[ end trace 0000000000000000 ]--- [ 22.309562][ T300] ------------[ cut here ]------------ [ 22.315030][ T300] WARNING: CPU: 0 PID: 300 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 22.324783][ T300] Modules linked in: [ 22.328673][ T300] CPU: 0 UID: 0 PID: 300 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 22.344059][ T300] Tainted: [W]=WARN [ 22.347856][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 22.358041][ T300] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 22.363983][ T300] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 22.383714][ T300] RSP: 0018:ffffc900012a7aa8 EFLAGS: 00010202 [ 22.389808][ T300] RAX: 1ffffd1ffff80e22 RBX: ffffc900012b28e8 RCX: ffffffff816dadc9 [ 22.398290][ T300] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07110 [ 22.406348][ T300] RBP: ffffc900012a7b10 R08: ffffe8ffffc07117 R09: 1ffffd1ffff80e22 [ 22.414346][ T300] R10: dffffc0000000000 R11: fffff91ffff80e23 R12: dffffc0000000000 [ 22.422350][ T300] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07110 [ 22.430378][ T300] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 22.439349][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.445931][ T300] CR2: 00007f6ec9829110 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 22.454047][ T300] Call Trace: [ 22.457331][ T300] [ 22.460279][ T300] kvm_put_kvm+0x1100/0x12b0 [ 22.464977][ T300] ? __cfi_kvm_vm_release+0x10/0x10 [ 22.470218][ T300] kvm_vm_release+0x47/0x70 [ 22.474732][ T300] __fput+0x1fe/0xa00 [ 22.478698][ T300] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.484262][ T300] ____fput+0x20/0x30 [ 22.488246][ T300] task_work_run+0x1e0/0x250 [ 22.492945][ T300] ? __cfi_task_work_run+0x10/0x10 [ 22.498064][ T300] ? __kasan_check_write+0x18/0x20 [ 22.503207][ T300] do_exit+0x9bc/0x2630 [ 22.507371][ T300] ? __cfi_do_exit+0x10/0x10 [ 22.511972][ T300] ? __kasan_check_write+0x18/0x20 [ 22.517085][ T300] ? _raw_spin_lock_irq+0x8d/0x120 [ 22.522207][ T300] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.527749][ T300] ? zap_other_threads+0x334/0x370 [ 22.532911][ T300] do_group_exit+0x22a/0x300 [ 22.537519][ T300] __x64_sys_exit_group+0x43/0x50 [ 22.542546][ T300] x64_sys_call+0x2ed2/0x2ee0 [ 22.547254][ T300] do_syscall_64+0x58/0xf0 [ 22.551762][ T300] ? clear_bhb_loop+0x50/0xa0 [ 22.556439][ T300] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 22.562356][ T300] RIP: 0033:0x7f6ec97adb89 [ 22.566764][ T300] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 22.573802][ T300] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.582242][ T300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 22.590240][ T300] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 22.598214][ T300] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=300, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 301 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x555584721660, 24) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 executing program [pid 301] write(1, "executing program\n", 18) = 18 [pid 301] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 301] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 301] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 301] exit_group(0) = ? [ 22.606199][ T300] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 22.614188][ T300] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 22.622191][ T300] [ 22.625203][ T300] ---[ end trace 0000000000000000 ]--- [ 22.659442][ T301] ------------[ cut here ]------------ [ 22.664930][ T301] WARNING: CPU: 1 PID: 301 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 22.674710][ T301] Modules linked in: [ 22.678604][ T301] CPU: 1 UID: 0 PID: 301 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 22.693892][ T301] Tainted: [W]=WARN [ 22.697687][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 22.707744][ T301] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 22.713662][ T301] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 22.733385][ T301] RSP: 0018:ffffc900012bfaa8 EFLAGS: 00010202 [ 22.739480][ T301] RAX: 1ffffd1ffff80e52 RBX: ffffc900012ca8e8 RCX: ffffffff816dadc9 [ 22.747516][ T301] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07290 [ 22.755499][ T301] RBP: ffffc900012bfb10 R08: ffffe8ffffc07297 R09: 1ffffd1ffff80e52 [ 22.763493][ T301] R10: dffffc0000000000 R11: fffff91ffff80e53 R12: dffffc0000000000 [ 22.771477][ T301] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07290 [ 22.779465][ T301] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.788373][ T301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.794980][ T301] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 22.802973][ T301] Call Trace: [ 22.806238][ T301] [ 22.809174][ T301] kvm_put_kvm+0x1100/0x12b0 [ 22.813766][ T301] ? __cfi_kvm_vm_release+0x10/0x10 [ 22.818972][ T301] kvm_vm_release+0x47/0x70 [ 22.823474][ T301] __fput+0x1fe/0xa00 [ 22.827433][ T301] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.832998][ T301] ____fput+0x20/0x30 [ 22.836992][ T301] task_work_run+0x1e0/0x250 [ 22.841591][ T301] ? __cfi_task_work_run+0x10/0x10 [ 22.846701][ T301] ? __kasan_check_write+0x18/0x20 [ 22.851826][ T301] do_exit+0x9bc/0x2630 [ 22.855978][ T301] ? __cfi_do_exit+0x10/0x10 [ 22.860585][ T301] ? __kasan_check_write+0x18/0x20 [ 22.865699][ T301] ? _raw_spin_lock_irq+0x8d/0x120 [ 22.870811][ T301] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.876354][ T301] ? zap_other_threads+0x334/0x370 [ 22.881468][ T301] do_group_exit+0x22a/0x300 [ 22.886055][ T301] __x64_sys_exit_group+0x43/0x50 [ 22.891087][ T301] x64_sys_call+0x2ed2/0x2ee0 [ 22.895765][ T301] do_syscall_64+0x58/0xf0 [ 22.900200][ T301] ? clear_bhb_loop+0x50/0xa0 [ 22.904888][ T301] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 22.910883][ T301] RIP: 0033:0x7f6ec97adb89 [ 22.915290][ T301] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 22.922303][ T301] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.930749][ T301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 22.938715][ T301] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 22.946691][ T301] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 302 attached , child_tidptr=0x555584721650) = 302 [pid 302] set_robust_list(0x555584721660, 24) = 0 [pid 302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 302] setpgid(0, 0) = 0 [pid 302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 302] write(3, "1000", 4) = 4 [pid 302] close(3) = 0 [pid 302] write(1, "executing program\n", 18executing program ) = 18 [pid 302] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 302] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 302] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 302] exit_group(0) = ? [ 22.954846][ T301] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 22.962857][ T301] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 22.970856][ T301] [ 22.973950][ T301] ---[ end trace 0000000000000000 ]--- [ 23.009423][ T302] ------------[ cut here ]------------ [ 23.014889][ T302] WARNING: CPU: 0 PID: 302 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 23.024643][ T302] Modules linked in: [ 23.028534][ T302] CPU: 0 UID: 0 PID: 302 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 23.043835][ T302] Tainted: [W]=WARN [ 23.047627][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 23.057784][ T302] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 23.063738][ T302] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 23.083453][ T302] RSP: 0018:ffffc900012bfaa8 EFLAGS: 00010202 [ 23.089634][ T302] RAX: 1ffffd1ffff80e82 RBX: ffffc900012d58e8 RCX: ffffffff816dadc9 [ 23.097598][ T302] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07410 [ 23.105580][ T302] RBP: ffffc900012bfb10 R08: ffffe8ffffc07417 R09: 1ffffd1ffff80e82 [ 23.113570][ T302] R10: dffffc0000000000 R11: fffff91ffff80e83 R12: dffffc0000000000 [ 23.121559][ T302] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07410 [ 23.129571][ T302] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.138501][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.145146][ T302] CR2: 00007f6ec97adb03 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 23.153166][ T302] Call Trace: [ 23.156439][ T302] [ 23.159382][ T302] kvm_put_kvm+0x1100/0x12b0 [ 23.163978][ T302] ? __cfi_kvm_vm_release+0x10/0x10 [ 23.169186][ T302] kvm_vm_release+0x47/0x70 [ 23.173686][ T302] __fput+0x1fe/0xa00 [ 23.177646][ T302] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 23.183197][ T302] ____fput+0x20/0x30 [ 23.187175][ T302] task_work_run+0x1e0/0x250 [ 23.191772][ T302] ? __cfi_task_work_run+0x10/0x10 [ 23.196879][ T302] ? __kasan_check_write+0x18/0x20 [ 23.202013][ T302] do_exit+0x9bc/0x2630 [ 23.206164][ T302] ? __cfi_do_exit+0x10/0x10 [ 23.210765][ T302] ? __kasan_check_write+0x18/0x20 [ 23.215874][ T302] ? _raw_spin_lock_irq+0x8d/0x120 [ 23.220997][ T302] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 23.226551][ T302] ? zap_other_threads+0x334/0x370 [ 23.231665][ T302] do_group_exit+0x22a/0x300 [ 23.236253][ T302] __x64_sys_exit_group+0x43/0x50 [ 23.241281][ T302] x64_sys_call+0x2ed2/0x2ee0 [ 23.245958][ T302] do_syscall_64+0x58/0xf0 [ 23.250376][ T302] ? clear_bhb_loop+0x50/0xa0 [ 23.255053][ T302] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 23.260959][ T302] RIP: 0033:0x7f6ec97adb89 [ 23.265364][ T302] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 23.272378][ T302] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.280807][ T302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 23.288772][ T302] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 23.296743][ T302] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 303 ./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x555584721660, 24) = 0 [pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 303] setpgid(0, 0) = 0 [pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 303] write(3, "1000", 4) = 4 [pid 303] close(3) = 0 [pid 303] write(1, "executing program\n", 18executing program ) = 18 [pid 303] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 303] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 303] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 303] exit_group(0) = ? [ 23.304732][ T302] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 23.312714][ T302] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 23.320738][ T302] [ 23.323778][ T302] ---[ end trace 0000000000000000 ]--- [ 23.359452][ T303] ------------[ cut here ]------------ [ 23.364940][ T303] WARNING: CPU: 1 PID: 303 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 23.374722][ T303] Modules linked in: [ 23.378614][ T303] CPU: 1 UID: 0 PID: 303 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 23.393920][ T303] Tainted: [W]=WARN [ 23.397714][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 23.408224][ T303] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 23.414160][ T303] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 23.433924][ T303] RSP: 0018:ffffc9000127faa8 EFLAGS: 00010202 [ 23.440028][ T303] RAX: 1ffffd1ffff80eb2 RBX: ffffc900012e08e8 RCX: ffffffff816dadc9 [ 23.447999][ T303] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07590 [ 23.455989][ T303] RBP: ffffc9000127fb10 R08: ffffe8ffffc07597 R09: 1ffffd1ffff80eb2 [ 23.463984][ T303] R10: dffffc0000000000 R11: fffff91ffff80eb3 R12: dffffc0000000000 [ 23.471988][ T303] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07590 [ 23.479985][ T303] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 23.488940][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.495521][ T303] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 23.503595][ T303] Call Trace: [ 23.506867][ T303] [ 23.509817][ T303] kvm_put_kvm+0x1100/0x12b0 [ 23.514407][ T303] ? __cfi_kvm_vm_release+0x10/0x10 [ 23.519608][ T303] kvm_vm_release+0x47/0x70 [ 23.524106][ T303] __fput+0x1fe/0xa00 [ 23.528064][ T303] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 23.533617][ T303] ____fput+0x20/0x30 [ 23.537595][ T303] task_work_run+0x1e0/0x250 [ 23.542196][ T303] ? __cfi_task_work_run+0x10/0x10 [ 23.547310][ T303] ? __kasan_check_write+0x18/0x20 [ 23.552442][ T303] do_exit+0x9bc/0x2630 [ 23.556593][ T303] ? __cfi_do_exit+0x10/0x10 [ 23.561261][ T303] ? __kasan_check_write+0x18/0x20 [ 23.566374][ T303] ? _raw_spin_lock_irq+0x8d/0x120 [ 23.571491][ T303] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 23.577036][ T303] ? zap_other_threads+0x334/0x370 [ 23.582151][ T303] do_group_exit+0x22a/0x300 [ 23.586741][ T303] __x64_sys_exit_group+0x43/0x50 [ 23.591772][ T303] x64_sys_call+0x2ed2/0x2ee0 [ 23.596452][ T303] do_syscall_64+0x58/0xf0 [ 23.600875][ T303] ? clear_bhb_loop+0x50/0xa0 [ 23.605552][ T303] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 23.611452][ T303] RIP: 0033:0x7f6ec97adb89 [ 23.615863][ T303] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 23.622877][ T303] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.631425][ T303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 23.639424][ T303] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 23.647395][ T303] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 304 ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x555584721660, 24) = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3executing program ) = 0 [pid 304] write(1, "executing program\n", 18) = 18 [pid 304] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 304] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 304] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 304] exit_group(0) = ? [ 23.655401][ T303] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 23.663406][ T303] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 23.671416][ T303] [ 23.674433][ T303] ---[ end trace 0000000000000000 ]--- [ 23.709493][ T304] ------------[ cut here ]------------ [ 23.715140][ T304] WARNING: CPU: 0 PID: 304 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 23.724928][ T304] Modules linked in: [ 23.729033][ T304] CPU: 0 UID: 0 PID: 304 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 23.744359][ T304] Tainted: [W]=WARN [ 23.748162][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 23.758259][ T304] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 23.764279][ T304] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 23.783906][ T304] RSP: 0018:ffffc9000127faa8 EFLAGS: 00010202 [ 23.789997][ T304] RAX: 1ffffd1ffff80ee2 RBX: ffffc900012eb8e8 RCX: ffffffff816dadc9 [ 23.797953][ T304] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07710 [ 23.805945][ T304] RBP: ffffc9000127fb10 R08: ffffe8ffffc07717 R09: 1ffffd1ffff80ee2 [ 23.813936][ T304] R10: dffffc0000000000 R11: fffff91ffff80ee3 R12: dffffc0000000000 [ 23.821923][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07710 [ 23.829926][ T304] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.838997][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.845670][ T304] CR2: 00007f6ec9829110 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 23.853660][ T304] Call Trace: [ 23.856937][ T304] [ 23.859885][ T304] kvm_put_kvm+0x1100/0x12b0 [ 23.864477][ T304] ? __cfi_kvm_vm_release+0x10/0x10 [ 23.869686][ T304] kvm_vm_release+0x47/0x70 [ 23.874207][ T304] __fput+0x1fe/0xa00 [ 23.878167][ T304] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 23.883748][ T304] ____fput+0x20/0x30 [ 23.887740][ T304] task_work_run+0x1e0/0x250 [ 23.892343][ T304] ? __cfi_task_work_run+0x10/0x10 [ 23.897463][ T304] ? __kasan_check_write+0x18/0x20 [ 23.902597][ T304] do_exit+0x9bc/0x2630 [ 23.906760][ T304] ? __cfi_do_exit+0x10/0x10 [ 23.911356][ T304] ? __kasan_check_write+0x18/0x20 [ 23.916467][ T304] ? _raw_spin_lock_irq+0x8d/0x120 [ 23.921584][ T304] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 23.927126][ T304] ? zap_other_threads+0x334/0x370 [ 23.932246][ T304] do_group_exit+0x22a/0x300 [ 23.936863][ T304] __x64_sys_exit_group+0x43/0x50 [ 23.941980][ T304] x64_sys_call+0x2ed2/0x2ee0 [ 23.946659][ T304] do_syscall_64+0x58/0xf0 [ 23.951084][ T304] ? clear_bhb_loop+0x50/0xa0 [ 23.955759][ T304] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 23.961660][ T304] RIP: 0033:0x7f6ec97adb89 [ 23.966076][ T304] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 23.973093][ T304] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.981568][ T304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 23.989652][ T304] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 23.997621][ T304] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=31} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 305 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x555584721660, 24) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 executing program [pid 305] write(1, "executing program\n", 18) = 18 [pid 305] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 305] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 305] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 305] exit_group(0) = ? [ 24.005608][ T304] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 24.013591][ T304] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 24.021597][ T304] [ 24.024610][ T304] ---[ end trace 0000000000000000 ]--- [pid 305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 306 attached , child_tidptr=0x555584721650) = 306 [pid 306] set_robust_list(0x555584721660, 24) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 executing program [pid 306] write(1, "executing program\n", 18) = 18 [pid 306] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 306] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 306] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 306] exit_group(0) = ? [pid 306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 307 attached , child_tidptr=0x555584721650) = 307 [pid 307] set_robust_list(0x555584721660, 24) = 0 [pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] setpgid(0, 0) = 0 [pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] write(3, "1000", 4) = 4 [pid 307] close(3executing program ) = 0 [pid 307] write(1, "executing program\n", 18) = 18 [pid 307] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 307] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 307] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 307] exit_group(0) = ? [pid 307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 308 ./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x555584721660, 24) = 0 [pid 308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] setpgid(0, 0) = 0 [pid 308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] write(3, "1000", 4) = 4 [pid 308] close(3) = 0 executing program [pid 308] write(1, "executing program\n", 18) = 18 [pid 308] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 308] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 308] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 308] exit_group(0) = ? [ 24.219433][ T308] ------------[ cut here ]------------ [ 24.224922][ T308] WARNING: CPU: 0 PID: 308 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 24.234699][ T308] Modules linked in: [ 24.238593][ T308] CPU: 0 UID: 0 PID: 308 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 24.253888][ T308] Tainted: [W]=WARN [ 24.257686][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 24.267758][ T308] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 24.273682][ T308] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 24.293338][ T308] RSP: 0018:ffffc900011efaa8 EFLAGS: 00010202 [ 24.299436][ T308] RAX: 1ffffd1ffff80f12 RBX: ffffc900013238e8 RCX: ffffffff816dadc9 [ 24.307399][ T308] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07890 [ 24.315432][ T308] RBP: ffffc900011efb10 R08: ffffe8ffffc07897 R09: 1ffffd1ffff80f12 [ 24.323430][ T308] R10: dffffc0000000000 R11: fffff91ffff80f13 R12: dffffc0000000000 [ 24.331555][ T308] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07890 [ 24.339560][ T308] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.348479][ T308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.355094][ T308] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 24.363093][ T308] Call Trace: [ 24.366353][ T308] [ 24.369289][ T308] kvm_put_kvm+0x1100/0x12b0 [ 24.373886][ T308] ? __cfi_kvm_vm_release+0x10/0x10 [ 24.379092][ T308] kvm_vm_release+0x47/0x70 [ 24.383591][ T308] __fput+0x1fe/0xa00 [ 24.387551][ T308] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 24.393101][ T308] ____fput+0x20/0x30 [ 24.397081][ T308] task_work_run+0x1e0/0x250 [ 24.401672][ T308] ? __cfi_task_work_run+0x10/0x10 [ 24.406832][ T308] ? __kasan_check_write+0x18/0x20 [ 24.411956][ T308] do_exit+0x9bc/0x2630 [ 24.416109][ T308] ? __cfi_do_exit+0x10/0x10 [ 24.420711][ T308] ? __kasan_check_write+0x18/0x20 [ 24.425828][ T308] ? _raw_spin_lock_irq+0x8d/0x120 [ 24.430943][ T308] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 24.436484][ T308] ? zap_other_threads+0x334/0x370 [ 24.441597][ T308] do_group_exit+0x22a/0x300 [ 24.446193][ T308] __x64_sys_exit_group+0x43/0x50 [ 24.451225][ T308] x64_sys_call+0x2ed2/0x2ee0 [ 24.455901][ T308] do_syscall_64+0x58/0xf0 [ 24.460333][ T308] ? clear_bhb_loop+0x50/0xa0 [ 24.465008][ T308] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.470920][ T308] RIP: 0033:0x7f6ec97adb89 [ 24.475326][ T308] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 24.482345][ T308] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 24.490786][ T308] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 24.498753][ T308] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 24.506778][ T308] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=308, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 309 ./strace-static-x86_64: Process 309 attached [pid 309] set_robust_list(0x555584721660, 24) = 0 [pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] setpgid(0, 0) = 0 [pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] write(3, "1000", 4) = 4 [pid 309] close(3) = 0 executing program [pid 309] write(1, "executing program\n", 18) = 18 [pid 309] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 309] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 309] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 309] exit_group(0) = ? [ 24.514790][ T308] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 24.522801][ T308] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 24.530815][ T308] [ 24.533828][ T308] ---[ end trace 0000000000000000 ]--- [pid 309] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 310 ./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x555584721660, 24) = 0 [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3executing program ) = 0 [pid 310] write(1, "executing program\n", 18) = 18 [pid 310] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 310] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 310] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 310] exit_group(0) = ? [pid 310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 311 attached , child_tidptr=0x555584721650) = 311 [pid 311] set_robust_list(0x555584721660, 24) = 0 [pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] setpgid(0, 0) = 0 [pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 311] write(3, "1000", 4) = 4 [pid 311] close(3) = 0 executing program [pid 311] write(1, "executing program\n", 18) = 18 [pid 311] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 311] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 311] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 311] exit_group(0) = ? [pid 311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 312 ./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x555584721660, 24) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 312] setpgid(0, 0) = 0 [pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 312] write(3, "1000", 4) = 4 [pid 312] close(3) = 0 executing program [pid 312] write(1, "executing program\n", 18) = 18 [pid 312] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 312] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 312] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 312] exit_group(0) = ? [ 24.729389][ T312] ------------[ cut here ]------------ [ 24.734871][ T312] WARNING: CPU: 0 PID: 312 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 24.744634][ T312] Modules linked in: [ 24.748524][ T312] CPU: 0 UID: 0 PID: 312 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 24.763819][ T312] Tainted: [W]=WARN [ 24.767634][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 24.777724][ T312] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 24.783660][ T312] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 24.803295][ T312] RSP: 0018:ffffc90001357aa8 EFLAGS: 00010202 [ 24.809382][ T312] RAX: 1ffffd1ffff80f42 RBX: ffffc900013628e8 RCX: ffffffff816dadc9 [ 24.817334][ T312] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07a10 [ 24.825316][ T312] RBP: ffffc90001357b10 R08: ffffe8ffffc07a17 R09: 1ffffd1ffff80f42 [ 24.833297][ T312] R10: dffffc0000000000 R11: fffff91ffff80f43 R12: dffffc0000000000 [ 24.841303][ T312] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07a10 [ 24.849304][ T312] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.858215][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.864817][ T312] CR2: 0000561f61388330 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 24.872808][ T312] Call Trace: [ 24.876072][ T312] [ 24.879017][ T312] kvm_put_kvm+0x1100/0x12b0 [ 24.883615][ T312] ? __cfi_kvm_vm_release+0x10/0x10 [ 24.888798][ T312] kvm_vm_release+0x47/0x70 [ 24.893328][ T312] __fput+0x1fe/0xa00 [ 24.897304][ T312] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 24.902865][ T312] ____fput+0x20/0x30 [ 24.906842][ T312] task_work_run+0x1e0/0x250 [ 24.911442][ T312] ? __cfi_task_work_run+0x10/0x10 [ 24.916551][ T312] ? __kasan_check_write+0x18/0x20 [ 24.921676][ T312] do_exit+0x9bc/0x2630 [ 24.925833][ T312] ? __cfi_do_exit+0x10/0x10 [ 24.930565][ T312] ? __kasan_check_write+0x18/0x20 [ 24.935688][ T312] ? _raw_spin_lock_irq+0x8d/0x120 [ 24.940829][ T312] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 24.946378][ T312] ? zap_other_threads+0x334/0x370 [ 24.951500][ T312] do_group_exit+0x22a/0x300 [ 24.956089][ T312] __x64_sys_exit_group+0x43/0x50 [ 24.961120][ T312] x64_sys_call+0x2ed2/0x2ee0 [ 24.965975][ T312] do_syscall_64+0x58/0xf0 [ 24.970406][ T312] ? clear_bhb_loop+0x50/0xa0 [ 24.975085][ T312] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.981004][ T312] RIP: 0033:0x7f6ec97adb89 [ 24.985412][ T312] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 24.992446][ T312] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.000890][ T312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 25.008907][ T312] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 25.016879][ T312] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 313 ./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x555584721660, 24) = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] write(3, "1000", 4) = 4 [pid 313] close(3) = 0 executing program [pid 313] write(1, "executing program\n", 18) = 18 [pid 313] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 313] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 313] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 313] exit_group(0) = ? [ 25.024872][ T312] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 25.032863][ T312] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 25.040859][ T312] [ 25.043878][ T312] ---[ end trace 0000000000000000 ]--- [ 25.079362][ T313] ------------[ cut here ]------------ [ 25.084843][ T313] WARNING: CPU: 0 PID: 313 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 25.094606][ T313] Modules linked in: [ 25.098499][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 25.113801][ T313] Tainted: [W]=WARN [ 25.117602][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 25.127690][ T313] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 25.133621][ T313] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 25.153266][ T313] RSP: 0018:ffffc90001337aa8 EFLAGS: 00010202 [ 25.159355][ T313] RAX: 1ffffd1ffff80f72 RBX: ffffc9000136d8e8 RCX: ffffffff816dadc9 [ 25.167353][ T313] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07b90 [ 25.175351][ T313] RBP: ffffc90001337b10 R08: ffffe8ffffc07b97 R09: 1ffffd1ffff80f72 [ 25.183345][ T313] R10: dffffc0000000000 R11: fffff91ffff80f73 R12: dffffc0000000000 [ 25.191368][ T313] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07b90 [ 25.199368][ T313] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.208284][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.214901][ T313] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 25.222898][ T313] Call Trace: [ 25.226167][ T313] [ 25.229105][ T313] kvm_put_kvm+0x1100/0x12b0 [ 25.233704][ T313] ? __cfi_kvm_vm_release+0x10/0x10 [ 25.238949][ T313] kvm_vm_release+0x47/0x70 [ 25.243454][ T313] __fput+0x1fe/0xa00 [ 25.247433][ T313] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 25.252987][ T313] ____fput+0x20/0x30 [ 25.256970][ T313] task_work_run+0x1e0/0x250 [ 25.261574][ T313] ? __cfi_task_work_run+0x10/0x10 [ 25.266781][ T313] ? __kasan_check_write+0x18/0x20 [ 25.271925][ T313] do_exit+0x9bc/0x2630 [ 25.276085][ T313] ? __cfi_do_exit+0x10/0x10 [ 25.280697][ T313] ? __kasan_check_write+0x18/0x20 [ 25.285810][ T313] ? _raw_spin_lock_irq+0x8d/0x120 [ 25.290933][ T313] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 25.296476][ T313] ? zap_other_threads+0x334/0x370 [ 25.301594][ T313] do_group_exit+0x22a/0x300 [ 25.306185][ T313] __x64_sys_exit_group+0x43/0x50 [ 25.311219][ T313] x64_sys_call+0x2ed2/0x2ee0 [ 25.315900][ T313] do_syscall_64+0x58/0xf0 [ 25.320335][ T313] ? clear_bhb_loop+0x50/0xa0 [ 25.325012][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.330932][ T313] RIP: 0033:0x7f6ec97adb89 [ 25.335343][ T313] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 25.342407][ T313] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.350852][ T313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 25.358971][ T313] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 25.366941][ T313] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 314 ./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x555584721660, 24) = 0 [pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 314] setpgid(0, 0) = 0 [pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 314] write(3, "1000", 4) = 4 [pid 314] close(3) = 0 executing program [pid 314] write(1, "executing program\n", 18) = 18 [pid 314] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 314] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 314] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 314] exit_group(0) = ? [ 25.374938][ T313] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 25.382933][ T313] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 25.390924][ T313] [ 25.393933][ T313] ---[ end trace 0000000000000000 ]--- [ 25.429461][ T314] ------------[ cut here ]------------ [ 25.435027][ T314] WARNING: CPU: 0 PID: 314 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 25.444801][ T314] Modules linked in: [ 25.448705][ T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 25.464192][ T314] Tainted: [W]=WARN [ 25.467992][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 25.478082][ T314] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 25.484032][ T314] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 25.503677][ T314] RSP: 0018:ffffc900012bfaa8 EFLAGS: 00010202 [ 25.509777][ T314] RAX: 1ffffd1ffff80fa2 RBX: ffffc900013788e8 RCX: ffffffff816dadc9 [ 25.517751][ T314] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07d10 [ 25.525741][ T314] RBP: ffffc900012bfb10 R08: ffffe8ffffc07d17 R09: 1ffffd1ffff80fa2 [ 25.533744][ T314] R10: dffffc0000000000 R11: fffff91ffff80fa3 R12: dffffc0000000000 [ 25.541731][ T314] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07d10 [ 25.549729][ T314] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.558645][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.565244][ T314] CR2: 00007f6ec98260d0 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 25.573236][ T314] Call Trace: [ 25.576495][ T314] [ 25.579429][ T314] kvm_put_kvm+0x1100/0x12b0 [ 25.584021][ T314] ? __cfi_kvm_vm_release+0x10/0x10 [ 25.589229][ T314] kvm_vm_release+0x47/0x70 [ 25.593734][ T314] __fput+0x1fe/0xa00 [ 25.597706][ T314] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 25.603270][ T314] ____fput+0x20/0x30 [ 25.607254][ T314] task_work_run+0x1e0/0x250 [ 25.611855][ T314] ? __cfi_task_work_run+0x10/0x10 [ 25.616967][ T314] ? __kasan_check_write+0x18/0x20 [ 25.622095][ T314] do_exit+0x9bc/0x2630 [ 25.626341][ T314] ? __cfi_do_exit+0x10/0x10 [ 25.630942][ T314] ? __kasan_check_write+0x18/0x20 [ 25.636055][ T314] ? _raw_spin_lock_irq+0x8d/0x120 [ 25.641182][ T314] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 25.646739][ T314] ? zap_other_threads+0x334/0x370 [ 25.651872][ T314] do_group_exit+0x22a/0x300 [ 25.656467][ T314] __x64_sys_exit_group+0x43/0x50 [ 25.661502][ T314] x64_sys_call+0x2ed2/0x2ee0 [ 25.666181][ T314] do_syscall_64+0x58/0xf0 [ 25.670613][ T314] ? clear_bhb_loop+0x50/0xa0 [ 25.675298][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.681218][ T314] RIP: 0033:0x7f6ec97adb89 [ 25.685633][ T314] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 25.692665][ T314] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.701110][ T314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 25.709109][ T314] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 25.717110][ T314] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 315 ./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x555584721660, 24) = 0 [pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 315] setpgid(0, 0) = 0 [pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 315] write(3, "1000", 4) = 4 [pid 315] close(3) = 0 [pid 315] write(1, "executing program\n", 18executing program ) = 18 [pid 315] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 315] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 315] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 315] exit_group(0) = ? [ 25.725093][ T314] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 25.733077][ T314] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 25.741064][ T314] [ 25.744074][ T314] ---[ end trace 0000000000000000 ]--- [pid 315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 316 ./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x555584721660, 24) = 0 [pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 316] setpgid(0, 0) = 0 [pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 316] write(3, "1000", 4) = 4 [pid 316] close(3executing program ) = 0 [pid 316] write(1, "executing program\n", 18) = 18 [pid 316] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 316] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 316] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 316] exit_group(0) = ? [pid 316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 317 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x555584721660, 24) = 0 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] write(3, "1000", 4) = 4 [pid 317] close(3executing program ) = 0 [pid 317] write(1, "executing program\n", 18) = 18 [pid 317] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 317] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 317] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 317] exit_group(0) = ? [ 25.909482][ T317] ------------[ cut here ]------------ [ 25.914952][ T317] WARNING: CPU: 1 PID: 317 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 25.924697][ T317] Modules linked in: [ 25.928585][ T317] CPU: 1 UID: 0 PID: 317 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 25.943976][ T317] Tainted: [W]=WARN [ 25.947775][ T317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 25.957950][ T317] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 25.963881][ T317] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 25.983610][ T317] RSP: 0018:ffffc900012bfaa8 EFLAGS: 00010202 [ 25.989711][ T317] RAX: 1ffffd1ffff80fd2 RBX: ffffc900013998e8 RCX: ffffffff816dadc9 [ 25.997674][ T317] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07e90 [ 26.005660][ T317] RBP: ffffc900012bfb10 R08: ffffe8ffffc07e97 R09: 1ffffd1ffff80fd2 [ 26.013646][ T317] R10: dffffc0000000000 R11: fffff91ffff80fd3 R12: dffffc0000000000 [ 26.021643][ T317] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07e90 [ 26.029670][ T317] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 26.038626][ T317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.045318][ T317] CR2: 00007f6ec9829110 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 26.053318][ T317] Call Trace: [ 26.056594][ T317] [ 26.059555][ T317] kvm_put_kvm+0x1100/0x12b0 [ 26.064152][ T317] ? __cfi_kvm_vm_release+0x10/0x10 [ 26.069369][ T317] kvm_vm_release+0x47/0x70 [ 26.073878][ T317] __fput+0x1fe/0xa00 [ 26.077909][ T317] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 26.083474][ T317] ____fput+0x20/0x30 [ 26.087456][ T317] task_work_run+0x1e0/0x250 [ 26.092078][ T317] ? __cfi_task_work_run+0x10/0x10 [ 26.097186][ T317] ? __kasan_check_write+0x18/0x20 [ 26.102325][ T317] do_exit+0x9bc/0x2630 [ 26.106479][ T317] ? __cfi_do_exit+0x10/0x10 [ 26.111081][ T317] ? __kasan_check_write+0x18/0x20 [ 26.116190][ T317] ? _raw_spin_lock_irq+0x8d/0x120 [ 26.121314][ T317] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 26.126859][ T317] ? zap_other_threads+0x334/0x370 [ 26.132006][ T317] do_group_exit+0x22a/0x300 [ 26.136592][ T317] __x64_sys_exit_group+0x43/0x50 [ 26.141626][ T317] x64_sys_call+0x2ed2/0x2ee0 [ 26.146314][ T317] do_syscall_64+0x58/0xf0 [ 26.150768][ T317] ? clear_bhb_loop+0x50/0xa0 [ 26.155447][ T317] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 26.161372][ T317] RIP: 0033:0x7f6ec97adb89 [ 26.165784][ T317] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 26.172807][ T317] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.181255][ T317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 26.189252][ T317] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 26.197220][ T317] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 318 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x555584721660, 24) = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3) = 0 executing program [pid 318] write(1, "executing program\n", 18) = 18 [pid 318] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 318] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 318] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 318] exit_group(0) = ? [ 26.205223][ T317] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 26.213226][ T317] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 26.221225][ T317] [ 26.224233][ T317] ---[ end trace 0000000000000000 ]--- [ 26.259411][ T318] ------------[ cut here ]------------ [ 26.264881][ T318] WARNING: CPU: 1 PID: 318 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 26.274647][ T318] Modules linked in: [ 26.278537][ T318] CPU: 1 UID: 0 PID: 318 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 26.293830][ T318] Tainted: [W]=WARN [ 26.297649][ T318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 26.307710][ T318] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 26.313635][ T318] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 26.333357][ T318] RSP: 0018:ffffc90001337aa8 EFLAGS: 00010202 [ 26.339448][ T318] RAX: 1ffffd1ffff81002 RBX: ffffc900013a48e8 RCX: ffffffff816dadc9 [ 26.347401][ T318] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08010 [ 26.355376][ T318] RBP: ffffc90001337b10 R08: ffffe8ffffc08017 R09: 1ffffd1ffff81002 [ 26.363360][ T318] R10: dffffc0000000000 R11: fffff91ffff81003 R12: dffffc0000000000 [ 26.371339][ T318] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08010 [ 26.379329][ T318] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 26.388238][ T318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.394837][ T318] CR2: 00007f6ec9829110 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 26.402823][ T318] Call Trace: [ 26.406258][ T318] [ 26.409201][ T318] kvm_put_kvm+0x1100/0x12b0 [ 26.413793][ T318] ? __cfi_kvm_vm_release+0x10/0x10 [ 26.419040][ T318] kvm_vm_release+0x47/0x70 [ 26.423581][ T318] __fput+0x1fe/0xa00 [ 26.427559][ T318] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 26.433147][ T318] ____fput+0x20/0x30 [ 26.437126][ T318] task_work_run+0x1e0/0x250 [ 26.441735][ T318] ? __cfi_task_work_run+0x10/0x10 [ 26.446842][ T318] ? __kasan_check_write+0x18/0x20 [ 26.452002][ T318] do_exit+0x9bc/0x2630 [ 26.456160][ T318] ? __cfi_do_exit+0x10/0x10 [ 26.460794][ T318] ? __kasan_check_write+0x18/0x20 [ 26.465906][ T318] ? _raw_spin_lock_irq+0x8d/0x120 [ 26.471030][ T318] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 26.476575][ T318] ? zap_other_threads+0x334/0x370 [ 26.481711][ T318] do_group_exit+0x22a/0x300 [ 26.486303][ T318] __x64_sys_exit_group+0x43/0x50 [ 26.491341][ T318] x64_sys_call+0x2ed2/0x2ee0 [ 26.496018][ T318] do_syscall_64+0x58/0xf0 [ 26.500449][ T318] ? clear_bhb_loop+0x50/0xa0 [ 26.505131][ T318] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 26.511136][ T318] RIP: 0033:0x7f6ec97adb89 [ 26.515550][ T318] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 26.522665][ T318] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.531202][ T318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 26.539195][ T318] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 26.547159][ T318] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 319 ./strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x555584721660, 24) = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 319] setpgid(0, 0) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 319] write(3, "1000", 4) = 4 [pid 319] close(3) = 0 executing program [pid 319] write(1, "executing program\n", 18) = 18 [pid 319] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 319] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 319] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 319] exit_group(0) = ? [ 26.555232][ T318] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 26.563231][ T318] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 26.571236][ T318] [ 26.574246][ T318] ---[ end trace 0000000000000000 ]--- [ 26.609402][ T319] ------------[ cut here ]------------ [ 26.614869][ T319] WARNING: CPU: 0 PID: 319 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 26.624702][ T319] Modules linked in: [ 26.628594][ T319] CPU: 0 UID: 0 PID: 319 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 26.643890][ T319] Tainted: [W]=WARN [ 26.647696][ T319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 26.657758][ T319] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 26.663682][ T319] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 26.683397][ T319] RSP: 0018:ffffc900013afaa8 EFLAGS: 00010202 [ 26.689478][ T319] RAX: 1ffffd1ffff81032 RBX: ffffc900013ba8e8 RCX: ffffffff816dadc9 [ 26.697441][ T319] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08190 [ 26.705425][ T319] RBP: ffffc900013afb10 R08: ffffe8ffffc08197 R09: 1ffffd1ffff81032 [ 26.713462][ T319] R10: dffffc0000000000 R11: fffff91ffff81033 R12: dffffc0000000000 [ 26.721443][ T319] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08190 [ 26.729430][ T319] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.738348][ T319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.745048][ T319] CR2: 00007f6ec98260d0 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 26.753048][ T319] Call Trace: [ 26.756325][ T319] [ 26.759272][ T319] kvm_put_kvm+0x1100/0x12b0 [ 26.763863][ T319] ? __cfi_kvm_vm_release+0x10/0x10 [ 26.769087][ T319] kvm_vm_release+0x47/0x70 [ 26.773673][ T319] __fput+0x1fe/0xa00 [ 26.777713][ T319] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 26.783265][ T319] ____fput+0x20/0x30 [ 26.787239][ T319] task_work_run+0x1e0/0x250 [ 26.791839][ T319] ? __cfi_task_work_run+0x10/0x10 [ 26.796944][ T319] ? __kasan_check_write+0x18/0x20 [ 26.802067][ T319] do_exit+0x9bc/0x2630 [ 26.806221][ T319] ? __cfi_do_exit+0x10/0x10 [ 26.810822][ T319] ? __kasan_check_write+0x18/0x20 [ 26.815928][ T319] ? _raw_spin_lock_irq+0x8d/0x120 [ 26.821053][ T319] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 26.826592][ T319] ? zap_other_threads+0x334/0x370 [ 26.831718][ T319] do_group_exit+0x22a/0x300 [ 26.836306][ T319] __x64_sys_exit_group+0x43/0x50 [ 26.841342][ T319] x64_sys_call+0x2ed2/0x2ee0 [ 26.846040][ T319] do_syscall_64+0x58/0xf0 [ 26.850465][ T319] ? clear_bhb_loop+0x50/0xa0 [ 26.855144][ T319] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 26.861065][ T319] RIP: 0033:0x7f6ec97adb89 [ 26.865477][ T319] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 26.872516][ T319] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.880946][ T319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 26.888929][ T319] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 26.896900][ T319] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 320 ./strace-static-x86_64: Process 320 attached [pid 320] set_robust_list(0x555584721660, 24) = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 320] setpgid(0, 0) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 [pid 320] write(1, "executing program\n", 18) = 18 [pid 320] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 320] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 320] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 320] exit_group(0) = ? [ 26.904910][ T319] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 26.912903][ T319] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 26.920887][ T319] [ 26.923907][ T319] ---[ end trace 0000000000000000 ]--- [ 26.979215][ T320] ------------[ cut here ]------------ [ 26.984688][ T320] WARNING: CPU: 1 PID: 320 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 26.994439][ T320] Modules linked in: [ 26.998335][ T320] CPU: 1 UID: 0 PID: 320 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 27.013639][ T320] Tainted: [W]=WARN [ 27.017433][ T320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 27.027510][ T320] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 27.033437][ T320] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 27.053086][ T320] RSP: 0018:ffffc900013afaa8 EFLAGS: 00010202 [ 27.059268][ T320] RAX: 1ffffd1ffff81062 RBX: ffffc900013c58e8 RCX: ffffffff816dadc9 [ 27.067320][ T320] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08310 [ 27.075372][ T320] RBP: ffffc900013afb10 R08: ffffe8ffffc08317 R09: 1ffffd1ffff81062 [ 27.083366][ T320] R10: dffffc0000000000 R11: fffff91ffff81063 R12: dffffc0000000000 [ 27.091364][ T320] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08310 [ 27.099388][ T320] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.108320][ T320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.114920][ T320] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 27.122925][ T320] Call Trace: [ 27.126201][ T320] [ 27.129144][ T320] kvm_put_kvm+0x1100/0x12b0 [ 27.133736][ T320] ? __cfi_kvm_vm_release+0x10/0x10 [ 27.138957][ T320] kvm_vm_release+0x47/0x70 [ 27.143458][ T320] __fput+0x1fe/0xa00 [ 27.147424][ T320] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.152987][ T320] ____fput+0x20/0x30 [ 27.156964][ T320] task_work_run+0x1e0/0x250 [ 27.161596][ T320] ? __cfi_task_work_run+0x10/0x10 [ 27.166716][ T320] ? __kasan_check_write+0x18/0x20 [ 27.171857][ T320] do_exit+0x9bc/0x2630 [ 27.176140][ T320] ? __cfi_do_exit+0x10/0x10 [ 27.180799][ T320] ? __kasan_check_write+0x18/0x20 [ 27.185913][ T320] ? _raw_spin_lock_irq+0x8d/0x120 [ 27.191049][ T320] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.196603][ T320] ? zap_other_threads+0x334/0x370 [ 27.202179][ T320] do_group_exit+0x22a/0x300 [ 27.206772][ T320] __x64_sys_exit_group+0x43/0x50 [ 27.211830][ T320] x64_sys_call+0x2ed2/0x2ee0 [ 27.216513][ T320] do_syscall_64+0x58/0xf0 [ 27.220959][ T320] ? clear_bhb_loop+0x50/0xa0 [ 27.225643][ T320] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.231631][ T320] RIP: 0033:0x7f6ec97adb89 [ 27.236041][ T320] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 27.243066][ T320] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.251508][ T320] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 27.259517][ T320] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 27.267519][ T320] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 321 ./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x555584721660, 24) = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 [pid 321] write(1, "executing program\n", 18executing program ) = 18 [pid 321] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 321] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 321] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 321] exit_group(0) = ? [ 27.275541][ T320] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 27.283579][ T320] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 27.291761][ T320] [ 27.294780][ T320] ---[ end trace 0000000000000000 ]--- [ 27.329452][ T321] ------------[ cut here ]------------ [ 27.334919][ T321] WARNING: CPU: 0 PID: 321 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 27.344676][ T321] Modules linked in: [ 27.348583][ T321] CPU: 0 UID: 0 PID: 321 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 27.363987][ T321] Tainted: [W]=WARN [ 27.367788][ T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 27.377855][ T321] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 27.383783][ T321] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 27.403412][ T321] RSP: 0018:ffffc900013cfaa8 EFLAGS: 00010202 [ 27.409545][ T321] RAX: 1ffffd1ffff81092 RBX: ffffc900013da8e8 RCX: ffffffff816dadc9 [ 27.417979][ T321] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08490 [ 27.425970][ T321] RBP: ffffc900013cfb10 R08: ffffe8ffffc08497 R09: 1ffffd1ffff81092 [ 27.433964][ T321] R10: dffffc0000000000 R11: fffff91ffff81093 R12: dffffc0000000000 [ 27.441968][ T321] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08490 [ 27.449965][ T321] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 27.458909][ T321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.465511][ T321] CR2: 00007f6ec98260d0 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 27.473496][ T321] Call Trace: [ 27.476776][ T321] [ 27.479721][ T321] kvm_put_kvm+0x1100/0x12b0 [ 27.484314][ T321] ? __cfi_kvm_vm_release+0x10/0x10 [ 27.489526][ T321] kvm_vm_release+0x47/0x70 [ 27.494026][ T321] __fput+0x1fe/0xa00 [ 27.497984][ T321] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.503545][ T321] ____fput+0x20/0x30 [ 27.507549][ T321] task_work_run+0x1e0/0x250 [ 27.512151][ T321] ? __cfi_task_work_run+0x10/0x10 [ 27.517259][ T321] ? __kasan_check_write+0x18/0x20 [ 27.522396][ T321] do_exit+0x9bc/0x2630 [ 27.526550][ T321] ? __cfi_do_exit+0x10/0x10 [ 27.531149][ T321] ? __kasan_check_write+0x18/0x20 [ 27.536264][ T321] ? _raw_spin_lock_irq+0x8d/0x120 [ 27.541390][ T321] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.546937][ T321] ? zap_other_threads+0x334/0x370 [ 27.552056][ T321] do_group_exit+0x22a/0x300 [ 27.556642][ T321] __x64_sys_exit_group+0x43/0x50 [ 27.561687][ T321] x64_sys_call+0x2ed2/0x2ee0 [ 27.566371][ T321] do_syscall_64+0x58/0xf0 [ 27.570790][ T321] ? clear_bhb_loop+0x50/0xa0 [ 27.575466][ T321] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.581364][ T321] RIP: 0033:0x7f6ec97adb89 [ 27.585775][ T321] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 27.592842][ T321] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.601375][ T321] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 27.609394][ T321] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 27.617367][ T321] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 executing program [pid 321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 322 ./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x555584721660, 24) = 0 [pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 322] setpgid(0, 0) = 0 [pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 322] write(3, "1000", 4) = 4 [pid 322] close(3) = 0 [pid 322] write(1, "executing program\n", 18) = 18 [pid 322] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 322] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 322] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 322] exit_group(0) = ? [ 27.625354][ T321] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 27.633358][ T321] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 27.641357][ T321] [ 27.644446][ T321] ---[ end trace 0000000000000000 ]--- [ 27.669523][ T322] ------------[ cut here ]------------ [ 27.674997][ T322] WARNING: CPU: 1 PID: 322 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 27.684741][ T322] Modules linked in: [ 27.688633][ T322] CPU: 1 UID: 0 PID: 322 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 27.703939][ T322] Tainted: [W]=WARN [ 27.707738][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 27.717808][ T322] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 27.723733][ T322] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 27.743371][ T322] RSP: 0018:ffffc90001357aa8 EFLAGS: 00010202 [ 27.749461][ T322] RAX: 1ffffd1ffff810c2 RBX: ffffc900013e58e8 RCX: ffffffff816dadc9 [ 27.757419][ T322] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08610 [ 27.765402][ T322] RBP: ffffc90001357b10 R08: ffffe8ffffc08617 R09: 1ffffd1ffff810c2 [ 27.773391][ T322] R10: dffffc0000000000 R11: fffff91ffff810c3 R12: dffffc0000000000 [ 27.781374][ T322] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08610 [ 27.789359][ T322] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.798267][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.804869][ T322] CR2: 0000200000004300 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 27.812853][ T322] Call Trace: [ 27.816110][ T322] [ 27.819047][ T322] kvm_put_kvm+0x1100/0x12b0 [ 27.823644][ T322] ? __cfi_kvm_vm_release+0x10/0x10 [ 27.828844][ T322] kvm_vm_release+0x47/0x70 [ 27.833554][ T322] __fput+0x1fe/0xa00 [ 27.837522][ T322] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.843080][ T322] ____fput+0x20/0x30 [ 27.847054][ T322] task_work_run+0x1e0/0x250 [ 27.851652][ T322] ? __cfi_task_work_run+0x10/0x10 [ 27.856759][ T322] ? __kasan_check_write+0x18/0x20 [ 27.861887][ T322] do_exit+0x9bc/0x2630 [ 27.866038][ T322] ? __cfi_do_exit+0x10/0x10 [ 27.870639][ T322] ? __kasan_check_write+0x18/0x20 [ 27.875748][ T322] ? _raw_spin_lock_irq+0x8d/0x120 [ 27.880902][ T322] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.886442][ T322] ? zap_other_threads+0x334/0x370 [ 27.891567][ T322] do_group_exit+0x22a/0x300 [ 27.896154][ T322] __x64_sys_exit_group+0x43/0x50 [ 27.901274][ T322] x64_sys_call+0x2ed2/0x2ee0 [ 27.905953][ T322] do_syscall_64+0x58/0xf0 [ 27.910375][ T322] ? clear_bhb_loop+0x50/0xa0 [ 27.915050][ T322] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.920955][ T322] RIP: 0033:0x7f6ec97adb89 [ 27.925366][ T322] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 27.932391][ T322] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.940827][ T322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 27.948794][ T322] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 27.956783][ T322] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 27.964791][ T322] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 27.972784][ T322] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [pid 322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 323 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x555584721660, 24) = 0 [pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 323] setpgid(0, 0) = 0 [pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 323] write(3, "1000", 4) = 4 [pid 323] close(3) = 0 [pid 323] write(1, "executing program\n", 18) = 18 executing program [pid 323] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 323] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 323] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 323] exit_group(0) = ? [ 27.980821][ T322] [ 27.983852][ T322] ---[ end trace 0000000000000000 ]--- [pid 323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 324 ./strace-static-x86_64: Process 324 attached [pid 324] set_robust_list(0x555584721660, 24) = 0 [pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 324] setpgid(0, 0) = 0 [pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 324] write(3, "1000", 4) = 4 [pid 324] close(3) = 0 executing program [pid 324] write(1, "executing program\n", 18) = 18 [pid 324] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 324] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 324] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 324] exit_group(0) = ? [ 28.079413][ T324] ------------[ cut here ]------------ [ 28.084887][ T324] WARNING: CPU: 1 PID: 324 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 28.094663][ T324] Modules linked in: [ 28.098558][ T324] CPU: 1 UID: 0 PID: 324 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 28.113865][ T324] Tainted: [W]=WARN [ 28.118444][ T324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.128507][ T324] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 28.134458][ T324] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 28.154101][ T324] RSP: 0018:ffffc900013cfaa8 EFLAGS: 00010202 [ 28.160195][ T324] RAX: 1ffffd1ffff810f2 RBX: ffffc900013fb8e8 RCX: ffffffff816dadc9 [ 28.168250][ T324] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08790 [ 28.176237][ T324] RBP: ffffc900013cfb10 R08: ffffe8ffffc08797 R09: 1ffffd1ffff810f2 [ 28.184245][ T324] R10: dffffc0000000000 R11: fffff91ffff810f3 R12: dffffc0000000000 [ 28.192266][ T324] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08790 [ 28.200261][ T324] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.209216][ T324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.215884][ T324] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 28.223884][ T324] Call Trace: [ 28.227159][ T324] [ 28.230101][ T324] kvm_put_kvm+0x1100/0x12b0 [ 28.234700][ T324] ? __cfi_kvm_vm_release+0x10/0x10 [ 28.239933][ T324] kvm_vm_release+0x47/0x70 [ 28.244435][ T324] __fput+0x1fe/0xa00 [ 28.248408][ T324] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.253993][ T324] ____fput+0x20/0x30 [ 28.257976][ T324] task_work_run+0x1e0/0x250 [ 28.262586][ T324] ? __cfi_task_work_run+0x10/0x10 [ 28.267697][ T324] ? __kasan_check_write+0x18/0x20 [ 28.272823][ T324] do_exit+0x9bc/0x2630 [ 28.276977][ T324] ? __cfi_do_exit+0x10/0x10 [ 28.281578][ T324] ? __kasan_check_write+0x18/0x20 [ 28.286691][ T324] ? _raw_spin_lock_irq+0x8d/0x120 [ 28.291805][ T324] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.297348][ T324] ? zap_other_threads+0x334/0x370 [ 28.302460][ T324] do_group_exit+0x22a/0x300 [ 28.307050][ T324] __x64_sys_exit_group+0x43/0x50 [ 28.312181][ T324] x64_sys_call+0x2ed2/0x2ee0 [ 28.316868][ T324] do_syscall_64+0x58/0xf0 [ 28.321307][ T324] ? clear_bhb_loop+0x50/0xa0 [ 28.325987][ T324] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.331896][ T324] RIP: 0033:0x7f6ec97adb89 [ 28.336310][ T324] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 28.343332][ T324] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.351791][ T324] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 28.359779][ T324] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 28.367743][ T324] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 325 ./strace-static-x86_64: Process 325 attached [pid 325] set_robust_list(0x555584721660, 24) = 0 [pid 325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 325] setpgid(0, 0) = 0 [pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 325] write(3, "1000", 4) = 4 executing program [pid 325] close(3) = 0 [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 325] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 325] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 325] exit_group(0) = ? [ 28.375731][ T324] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 28.383708][ T324] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 28.391689][ T324] [ 28.394695][ T324] ---[ end trace 0000000000000000 ]--- [ 28.429444][ T325] ------------[ cut here ]------------ [ 28.434939][ T325] WARNING: CPU: 1 PID: 325 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 28.444749][ T325] Modules linked in: [ 28.448651][ T325] CPU: 1 UID: 0 PID: 325 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 28.463949][ T325] Tainted: [W]=WARN [ 28.467750][ T325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.477814][ T325] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 28.483742][ T325] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 28.503377][ T325] RSP: 0018:ffffc90001357aa8 EFLAGS: 00010202 [ 28.509471][ T325] RAX: 1ffffd1ffff81122 RBX: ffffc900014068e8 RCX: ffffffff816dadc9 [ 28.517429][ T325] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08910 [ 28.525414][ T325] RBP: ffffc90001357b10 R08: ffffe8ffffc08917 R09: 1ffffd1ffff81122 [ 28.533405][ T325] R10: dffffc0000000000 R11: fffff91ffff81123 R12: dffffc0000000000 [ 28.541395][ T325] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08910 [ 28.549393][ T325] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.558303][ T325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.565001][ T325] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 28.572992][ T325] Call Trace: [ 28.576254][ T325] [ 28.579209][ T325] kvm_put_kvm+0x1100/0x12b0 [ 28.583813][ T325] ? __cfi_kvm_vm_release+0x10/0x10 [ 28.589021][ T325] kvm_vm_release+0x47/0x70 [ 28.593524][ T325] __fput+0x1fe/0xa00 [ 28.597482][ T325] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.603037][ T325] ____fput+0x20/0x30 [ 28.607015][ T325] task_work_run+0x1e0/0x250 [ 28.611608][ T325] ? __cfi_task_work_run+0x10/0x10 [ 28.616714][ T325] ? __kasan_check_write+0x18/0x20 [ 28.621846][ T325] do_exit+0x9bc/0x2630 [ 28.625998][ T325] ? __cfi_do_exit+0x10/0x10 [ 28.630591][ T325] ? __kasan_check_write+0x18/0x20 [ 28.635701][ T325] ? _raw_spin_lock_irq+0x8d/0x120 [ 28.640816][ T325] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.646358][ T325] ? zap_other_threads+0x334/0x370 [ 28.651503][ T325] do_group_exit+0x22a/0x300 [ 28.656088][ T325] __x64_sys_exit_group+0x43/0x50 [ 28.661135][ T325] x64_sys_call+0x2ed2/0x2ee0 [ 28.665811][ T325] do_syscall_64+0x58/0xf0 [ 28.670233][ T325] ? clear_bhb_loop+0x50/0xa0 [ 28.674912][ T325] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.680905][ T325] RIP: 0033:0x7f6ec97adb89 [ 28.685320][ T325] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 28.692340][ T325] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.700854][ T325] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 28.708922][ T325] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 28.716888][ T325] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 326 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x555584721660, 24) = 0 [pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 326] setpgid(0, 0) = 0 [pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 326] write(3, "1000", 4) = 4 [pid 326] close(3) = 0 [pid 326] write(1, "executing program\n", 18executing program ) = 18 [pid 326] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 326] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 326] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 326] exit_group(0) = ? [ 28.724870][ T325] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 28.732852][ T325] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 28.740847][ T325] [ 28.744033][ T325] ---[ end trace 0000000000000000 ]--- [ 28.779572][ T326] ------------[ cut here ]------------ [ 28.785048][ T326] WARNING: CPU: 1 PID: 326 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 28.794829][ T326] Modules linked in: [ 28.798726][ T326] CPU: 1 UID: 0 PID: 326 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 28.814017][ T326] Tainted: [W]=WARN [ 28.817810][ T326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.827868][ T326] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 28.833792][ T326] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 28.853423][ T326] RSP: 0018:ffffc90001357aa8 EFLAGS: 00010202 [ 28.859510][ T326] RAX: 1ffffd1ffff81152 RBX: ffffc900014118e8 RCX: ffffffff816dadc9 [ 28.867463][ T326] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08a90 [ 28.875443][ T326] RBP: ffffc90001357b10 R08: ffffe8ffffc08a97 R09: 1ffffd1ffff81152 [ 28.883429][ T326] R10: dffffc0000000000 R11: fffff91ffff81153 R12: dffffc0000000000 [ 28.891420][ T326] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08a90 [ 28.899409][ T326] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.908324][ T326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.914915][ T326] CR2: 00007f6ec98260d0 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 28.922926][ T326] Call Trace: [ 28.926198][ T326] [ 28.929148][ T326] kvm_put_kvm+0x1100/0x12b0 [ 28.933751][ T326] ? __cfi_kvm_vm_release+0x10/0x10 [ 28.938978][ T326] kvm_vm_release+0x47/0x70 [ 28.943605][ T326] __fput+0x1fe/0xa00 [ 28.947578][ T326] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.953172][ T326] ____fput+0x20/0x30 [ 28.957167][ T326] task_work_run+0x1e0/0x250 [ 28.961793][ T326] ? __cfi_task_work_run+0x10/0x10 [ 28.966911][ T326] ? __kasan_check_write+0x18/0x20 [ 28.972045][ T326] do_exit+0x9bc/0x2630 [ 28.976209][ T326] ? __cfi_do_exit+0x10/0x10 [ 28.981000][ T326] ? __kasan_check_write+0x18/0x20 [ 28.986200][ T326] ? _raw_spin_lock_irq+0x8d/0x120 [ 28.991331][ T326] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.996885][ T326] ? zap_other_threads+0x334/0x370 [ 29.002004][ T326] do_group_exit+0x22a/0x300 [ 29.006594][ T326] __x64_sys_exit_group+0x43/0x50 [ 29.011639][ T326] x64_sys_call+0x2ed2/0x2ee0 [ 29.016417][ T326] do_syscall_64+0x58/0xf0 [ 29.020857][ T326] ? clear_bhb_loop+0x50/0xa0 [ 29.025537][ T326] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.031616][ T326] RIP: 0033:0x7f6ec97adb89 [ 29.036027][ T326] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 29.043047][ T326] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.051479][ T326] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 29.059485][ T326] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 29.067453][ T326] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 327 ./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x555584721660, 24) = 0 [pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 327] setpgid(0, 0) = 0 [pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 327] write(3, "1000", 4) = 4 [pid 327] close(3executing program ) = 0 [pid 327] write(1, "executing program\n", 18) = 18 [pid 327] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 327] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 327] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 327] exit_group(0) = ? [ 29.075579][ T326] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 29.083584][ T326] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 29.091588][ T326] [ 29.094599][ T326] ---[ end trace 0000000000000000 ]--- [pid 327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 328 ./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x555584721660, 24) = 0 [pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 328] setpgid(0, 0) = 0 [pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 328] write(3, "1000", 4) = 4 [pid 328] close(3) = 0 executing program [pid 328] write(1, "executing program\n", 18) = 18 [pid 328] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 328] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 328] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 328] exit_group(0) = ? [pid 328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 329 ./strace-static-x86_64: Process 329 attached [pid 329] set_robust_list(0x555584721660, 24) = 0 [pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 329] setpgid(0, 0) = 0 [pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 329] write(3, "1000", 4) = 4 [pid 329] close(3) = 0 executing program [pid 329] write(1, "executing program\n", 18) = 18 [pid 329] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 329] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 329] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 329] exit_group(0) = ? [ 29.229426][ T329] ------------[ cut here ]------------ [ 29.235009][ T329] WARNING: CPU: 0 PID: 329 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 29.244770][ T329] Modules linked in: [ 29.248669][ T329] CPU: 0 UID: 0 PID: 329 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 29.264066][ T329] Tainted: [W]=WARN [ 29.267862][ T329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 29.277920][ T329] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 29.283835][ T329] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 29.303484][ T329] RSP: 0018:ffffc90001427aa8 EFLAGS: 00010202 [ 29.309570][ T329] RAX: 1ffffd1ffff81182 RBX: ffffc9000143d8e8 RCX: ffffffff816dadc9 [ 29.317525][ T329] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08c10 [ 29.325509][ T329] RBP: ffffc90001427b10 R08: ffffe8ffffc08c17 R09: 1ffffd1ffff81182 [ 29.333503][ T329] R10: dffffc0000000000 R11: fffff91ffff81183 R12: dffffc0000000000 [ 29.341496][ T329] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08c10 [ 29.349965][ T329] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 29.358914][ T329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.365493][ T329] CR2: 00007f6ec98260d0 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 29.373479][ T329] Call Trace: [ 29.376752][ T329] [ 29.379694][ T329] kvm_put_kvm+0x1100/0x12b0 [ 29.384288][ T329] ? __cfi_kvm_vm_release+0x10/0x10 [ 29.389497][ T329] kvm_vm_release+0x47/0x70 [ 29.393999][ T329] __fput+0x1fe/0xa00 [ 29.397963][ T329] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.403514][ T329] ____fput+0x20/0x30 [ 29.407532][ T329] task_work_run+0x1e0/0x250 [ 29.412126][ T329] ? __cfi_task_work_run+0x10/0x10 [ 29.417233][ T329] ? __kasan_check_write+0x18/0x20 [ 29.422355][ T329] do_exit+0x9bc/0x2630 [ 29.426513][ T329] ? __cfi_do_exit+0x10/0x10 [ 29.431115][ T329] ? __kasan_check_write+0x18/0x20 [ 29.436221][ T329] ? _raw_spin_lock_irq+0x8d/0x120 [ 29.441334][ T329] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.446875][ T329] ? zap_other_threads+0x334/0x370 [ 29.451986][ T329] do_group_exit+0x22a/0x300 [ 29.456572][ T329] __x64_sys_exit_group+0x43/0x50 [ 29.461633][ T329] x64_sys_call+0x2ed2/0x2ee0 [ 29.466325][ T329] do_syscall_64+0x58/0xf0 [ 29.470757][ T329] ? clear_bhb_loop+0x50/0xa0 [ 29.475431][ T329] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.481353][ T329] RIP: 0033:0x7f6ec97adb89 [ 29.485791][ T329] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 29.492809][ T329] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.501248][ T329] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 29.509247][ T329] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 29.517213][ T329] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 330 ./strace-static-x86_64: Process 330 attached [pid 330] set_robust_list(0x555584721660, 24) = 0 [pid 330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 330] setpgid(0, 0) = 0 [pid 330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 330] write(3, "1000", 4) = 4 [pid 330] close(3) = 0 executing program [pid 330] write(1, "executing program\n", 18) = 18 [pid 330] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 330] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 330] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 330] exit_group(0) = ? [ 29.525193][ T329] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 29.533181][ T329] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 29.541176][ T329] [ 29.544187][ T329] ---[ end trace 0000000000000000 ]--- [pid 330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 331 ./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x555584721660, 24) = 0 [pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 331] setpgid(0, 0) = 0 [pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 331] write(3, "1000", 4) = 4 [pid 331] close(3) = 0 executing program [pid 331] write(1, "executing program\n", 18) = 18 [pid 331] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 331] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 331] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 331] exit_group(0) = ? [ 29.629491][ T331] ------------[ cut here ]------------ [ 29.634958][ T331] WARNING: CPU: 1 PID: 331 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 29.644750][ T331] Modules linked in: [ 29.648646][ T331] CPU: 1 UID: 0 PID: 331 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 29.663950][ T331] Tainted: [W]=WARN [ 29.667838][ T331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 29.677910][ T331] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 29.683835][ T331] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 29.703452][ T331] RSP: 0018:ffffc90001357aa8 EFLAGS: 00010202 [ 29.709536][ T331] RAX: 1ffffd1ffff811b2 RBX: ffffc900014538e8 RCX: ffffffff816dadc9 [ 29.717489][ T331] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08d90 [ 29.725473][ T331] RBP: ffffc90001357b10 R08: ffffe8ffffc08d97 R09: 1ffffd1ffff811b2 [ 29.733459][ T331] R10: dffffc0000000000 R11: fffff91ffff811b3 R12: dffffc0000000000 [ 29.741445][ T331] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08d90 [ 29.749434][ T331] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 29.758346][ T331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.764940][ T331] CR2: 00007f6ec97adb03 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 29.772924][ T331] Call Trace: [ 29.776182][ T331] [ 29.779119][ T331] kvm_put_kvm+0x1100/0x12b0 [ 29.783712][ T331] ? __cfi_kvm_vm_release+0x10/0x10 [ 29.788917][ T331] kvm_vm_release+0x47/0x70 [ 29.793418][ T331] __fput+0x1fe/0xa00 [ 29.797379][ T331] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.802939][ T331] ____fput+0x20/0x30 [ 29.806915][ T331] task_work_run+0x1e0/0x250 [ 29.811510][ T331] ? __cfi_task_work_run+0x10/0x10 [ 29.816615][ T331] ? __kasan_check_write+0x18/0x20 [ 29.821734][ T331] do_exit+0x9bc/0x2630 [ 29.825885][ T331] ? __cfi_do_exit+0x10/0x10 [ 29.830485][ T331] ? __kasan_check_write+0x18/0x20 [ 29.835594][ T331] ? _raw_spin_lock_irq+0x8d/0x120 [ 29.840709][ T331] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.846252][ T331] ? zap_other_threads+0x334/0x370 [ 29.851377][ T331] do_group_exit+0x22a/0x300 [ 29.855964][ T331] __x64_sys_exit_group+0x43/0x50 [ 29.861039][ T331] x64_sys_call+0x2ed2/0x2ee0 [ 29.865716][ T331] do_syscall_64+0x58/0xf0 [ 29.870136][ T331] ? clear_bhb_loop+0x50/0xa0 [ 29.874817][ T331] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.880722][ T331] RIP: 0033:0x7f6ec97adb89 [ 29.885139][ T331] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 29.892158][ T331] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.900595][ T331] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 29.908559][ T331] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 29.916533][ T331] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 331] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 332 ./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x555584721660, 24) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 332] setpgid(0, 0) = 0 [pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 332] write(3, "1000", 4) = 4 [pid 332] close(3) = 0 [pid 332] write(1, "executing program\n", 18) = 18 [pid 332] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 332] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 332] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 332] exit_group(0) = ? [ 29.924552][ T331] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 29.932528][ T331] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 29.940562][ T331] [ 29.943565][ T331] ---[ end trace 0000000000000000 ]--- [ 29.979528][ T332] ------------[ cut here ]------------ [ 29.985003][ T332] WARNING: CPU: 1 PID: 332 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 29.994768][ T332] Modules linked in: [ 29.998694][ T332] CPU: 1 UID: 0 PID: 332 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 30.013991][ T332] Tainted: [W]=WARN [ 30.017787][ T332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 30.027865][ T332] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 30.033797][ T332] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 30.053434][ T332] RSP: 0018:ffffc90001357aa8 EFLAGS: 00010202 [ 30.059529][ T332] RAX: 1ffffd1ffff811e2 RBX: ffffc9000145e8e8 RCX: ffffffff816dadc9 [ 30.067497][ T332] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08f10 [ 30.075481][ T332] RBP: ffffc90001357b10 R08: ffffe8ffffc08f17 R09: 1ffffd1ffff811e2 [ 30.083479][ T332] R10: dffffc0000000000 R11: fffff91ffff811e3 R12: dffffc0000000000 [ 30.091482][ T332] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08f10 [ 30.099480][ T332] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 30.108485][ T332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.115089][ T332] CR2: 00007f6ec98260d0 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 30.123088][ T332] Call Trace: [ 30.126362][ T332] [ 30.129314][ T332] kvm_put_kvm+0x1100/0x12b0 [ 30.133906][ T332] ? __cfi_kvm_vm_release+0x10/0x10 [ 30.139202][ T332] kvm_vm_release+0x47/0x70 [ 30.143772][ T332] __fput+0x1fe/0xa00 [ 30.147734][ T332] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.153301][ T332] ____fput+0x20/0x30 [ 30.157276][ T332] task_work_run+0x1e0/0x250 [ 30.161878][ T332] ? __cfi_task_work_run+0x10/0x10 [ 30.167079][ T332] ? __kasan_check_write+0x18/0x20 [ 30.172242][ T332] do_exit+0x9bc/0x2630 [ 30.176401][ T332] ? __cfi_do_exit+0x10/0x10 [ 30.181008][ T332] ? __kasan_check_write+0x18/0x20 [ 30.186126][ T332] ? _raw_spin_lock_irq+0x8d/0x120 [ 30.191342][ T332] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.196901][ T332] ? zap_other_threads+0x334/0x370 [ 30.202023][ T332] do_group_exit+0x22a/0x300 [ 30.206609][ T332] __x64_sys_exit_group+0x43/0x50 [ 30.211639][ T332] x64_sys_call+0x2ed2/0x2ee0 [ 30.216315][ T332] do_syscall_64+0x58/0xf0 [ 30.220733][ T332] ? clear_bhb_loop+0x50/0xa0 [ 30.225411][ T332] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.231308][ T332] RIP: 0033:0x7f6ec97adb89 [ 30.235724][ T332] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 30.242738][ T332] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.251165][ T332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 30.259160][ T332] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 30.267124][ T332] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 333 attached , child_tidptr=0x555584721650) = 333 [pid 333] set_robust_list(0x555584721660, 24) = 0 [pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 333] setpgid(0, 0) = 0 [pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 333] write(3, "1000", 4) = 4 [pid 333] close(3) = 0 [pid 333] write(1, "executing program\n", 18) = 18 executing program [pid 333] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 333] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 333] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 333] exit_group(0) = ? [ 30.275109][ T332] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 30.283100][ T332] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 30.291089][ T332] [ 30.294105][ T332] ---[ end trace 0000000000000000 ]--- [ 30.319419][ T333] ------------[ cut here ]------------ [ 30.325012][ T333] WARNING: CPU: 0 PID: 333 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 30.334786][ T333] Modules linked in: [ 30.338680][ T333] CPU: 0 UID: 0 PID: 333 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 30.353975][ T333] Tainted: [W]=WARN [ 30.357769][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 30.367833][ T333] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 30.373757][ T333] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 30.393383][ T333] RSP: 0018:ffffc90001357aa8 EFLAGS: 00010202 [ 30.399465][ T333] RAX: 1ffffd1ffff81212 RBX: ffffc900014698e8 RCX: ffffffff816dadc9 [ 30.407463][ T333] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc09090 [ 30.415450][ T333] RBP: ffffc90001357b10 R08: ffffe8ffffc09097 R09: 1ffffd1ffff81212 [ 30.423501][ T333] R10: dffffc0000000000 R11: fffff91ffff81213 R12: dffffc0000000000 [ 30.431524][ T333] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc09090 [ 30.439526][ T333] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.448454][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.455061][ T333] CR2: 0000555584721650 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 30.463068][ T333] Call Trace: [ 30.466351][ T333] [ 30.469302][ T333] kvm_put_kvm+0x1100/0x12b0 [ 30.473897][ T333] ? __cfi_kvm_vm_release+0x10/0x10 [ 30.479109][ T333] kvm_vm_release+0x47/0x70 [ 30.483615][ T333] __fput+0x1fe/0xa00 [ 30.487582][ T333] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.493143][ T333] ____fput+0x20/0x30 [ 30.497127][ T333] task_work_run+0x1e0/0x250 [ 30.501739][ T333] ? __cfi_task_work_run+0x10/0x10 [ 30.506884][ T333] ? __kasan_check_write+0x18/0x20 [ 30.512010][ T333] do_exit+0x9bc/0x2630 [ 30.516168][ T333] ? __cfi_do_exit+0x10/0x10 [ 30.520769][ T333] ? __kasan_check_write+0x18/0x20 [ 30.525888][ T333] ? _raw_spin_lock_irq+0x8d/0x120 [ 30.531021][ T333] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.536570][ T333] ? zap_other_threads+0x334/0x370 [ 30.541689][ T333] do_group_exit+0x22a/0x300 [ 30.548364][ T333] __x64_sys_exit_group+0x43/0x50 [ 30.553397][ T333] x64_sys_call+0x2ed2/0x2ee0 [ 30.558075][ T333] do_syscall_64+0x58/0xf0 [ 30.562496][ T333] ? clear_bhb_loop+0x50/0xa0 [ 30.567177][ T333] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.573073][ T333] RIP: 0033:0x7f6ec97adb89 [ 30.577480][ T333] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 30.584503][ T333] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.592949][ T333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 30.600939][ T333] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 30.608932][ T333] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 30.616901][ T333] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [pid 333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 334 ./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x555584721660, 24) = 0 [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 334] setpgid(0, 0) = 0 executing program [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 334] write(3, "1000", 4) = 4 [pid 334] close(3) = 0 [pid 334] write(1, "executing program\n", 18) = 18 [pid 334] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 334] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 334] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 334] exit_group(0) = ? [ 30.624893][ T333] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 30.632886][ T333] [ 30.635897][ T333] ---[ end trace 0000000000000000 ]--- [ 30.669487][ T334] ------------[ cut here ]------------ [ 30.674964][ T334] WARNING: CPU: 0 PID: 334 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 30.684755][ T334] Modules linked in: [ 30.688656][ T334] CPU: 0 UID: 0 PID: 334 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 30.703999][ T334] Tainted: [W]=WARN [ 30.707834][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 30.717902][ T334] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 30.723824][ T334] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 30.743497][ T334] RSP: 0018:ffffc900012bfaa8 EFLAGS: 00010202 [ 30.749678][ T334] RAX: 1ffffd1ffff81242 RBX: ffffc900014748e8 RCX: ffffffff816dadc9 [ 30.757983][ T334] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc09210 [ 30.765975][ T334] RBP: ffffc900012bfb10 R08: ffffe8ffffc09217 R09: 1ffffd1ffff81242 [ 30.773961][ T334] R10: dffffc0000000000 R11: fffff91ffff81243 R12: dffffc0000000000 [ 30.781953][ T334] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc09210 [ 30.789936][ T334] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.798848][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.805544][ T334] CR2: 00007f6ec9829110 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 30.813533][ T334] Call Trace: [ 30.816803][ T334] [ 30.819745][ T334] kvm_put_kvm+0x1100/0x12b0 [ 30.824349][ T334] ? __cfi_kvm_vm_release+0x10/0x10 [ 30.829554][ T334] kvm_vm_release+0x47/0x70 [ 30.834057][ T334] __fput+0x1fe/0xa00 [ 30.838018][ T334] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.843580][ T334] ____fput+0x20/0x30 [ 30.847567][ T334] task_work_run+0x1e0/0x250 [ 30.852167][ T334] ? __cfi_task_work_run+0x10/0x10 [ 30.857274][ T334] ? __kasan_check_write+0x18/0x20 [ 30.862403][ T334] do_exit+0x9bc/0x2630 [ 30.866557][ T334] ? __cfi_do_exit+0x10/0x10 [ 30.871151][ T334] ? __kasan_check_write+0x18/0x20 [ 30.876260][ T334] ? _raw_spin_lock_irq+0x8d/0x120 [ 30.881378][ T334] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.886919][ T334] ? zap_other_threads+0x334/0x370 [ 30.892036][ T334] do_group_exit+0x22a/0x300 [ 30.896626][ T334] __x64_sys_exit_group+0x43/0x50 [ 30.901658][ T334] x64_sys_call+0x2ed2/0x2ee0 [ 30.906343][ T334] do_syscall_64+0x58/0xf0 [ 30.910769][ T334] ? clear_bhb_loop+0x50/0xa0 [ 30.915452][ T334] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.921360][ T334] RIP: 0033:0x7f6ec97adb89 [ 30.925767][ T334] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 30.932786][ T334] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.941227][ T334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 30.949224][ T334] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 30.957218][ T334] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 30.965203][ T334] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 30.973187][ T334] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [pid 334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 335 ./strace-static-x86_64: Process 335 attached [pid 335] set_robust_list(0x555584721660, 24) = 0 [pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 335] setpgid(0, 0) = 0 [pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 335] write(3, "1000", 4) = 4 [pid 335] close(3) = 0 executing program [pid 335] write(1, "executing program\n", 18) = 18 [pid 335] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 335] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 335] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 335] exit_group(0) = ? [ 30.981221][ T334] [ 30.984234][ T334] ---[ end trace 0000000000000000 ]--- [ 31.019439][ T335] ------------[ cut here ]------------ [ 31.024924][ T335] WARNING: CPU: 0 PID: 335 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 31.034690][ T335] Modules linked in: [ 31.038587][ T335] CPU: 0 UID: 0 PID: 335 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 31.053877][ T335] Tainted: [W]=WARN [ 31.057676][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 31.067937][ T335] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 31.073861][ T335] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 31.093499][ T335] RSP: 0018:ffffc9000147faa8 EFLAGS: 00010202 [ 31.099592][ T335] RAX: 1ffffd1ffff81272 RBX: ffffc9000148a8e8 RCX: ffffffff816dadc9 [ 31.107556][ T335] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc09390 [ 31.115797][ T335] RBP: ffffc9000147fb10 R08: ffffe8ffffc09397 R09: 1ffffd1ffff81272 [ 31.123788][ T335] R10: dffffc0000000000 R11: fffff91ffff81273 R12: dffffc0000000000 [ 31.131804][ T335] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc09390 [ 31.139838][ T335] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.148789][ T335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.155406][ T335] CR2: 0000555584721650 CR3: 0000000103bfc000 CR4: 00000000003526b0 [ 31.163408][ T335] Call Trace: [ 31.166682][ T335] [ 31.169623][ T335] kvm_put_kvm+0x1100/0x12b0 [ 31.174235][ T335] ? __cfi_kvm_vm_release+0x10/0x10 [ 31.179444][ T335] kvm_vm_release+0x47/0x70 [ 31.183948][ T335] __fput+0x1fe/0xa00 [ 31.187912][ T335] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.193472][ T335] ____fput+0x20/0x30 [ 31.197491][ T335] task_work_run+0x1e0/0x250 [ 31.202095][ T335] ? __cfi_task_work_run+0x10/0x10 [ 31.207206][ T335] ? __kasan_check_write+0x18/0x20 [ 31.212341][ T335] do_exit+0x9bc/0x2630 [ 31.216499][ T335] ? __cfi_do_exit+0x10/0x10 [ 31.221142][ T335] ? __kasan_check_write+0x18/0x20 [ 31.226307][ T335] ? _raw_spin_lock_irq+0x8d/0x120 [ 31.231433][ T335] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.236978][ T335] ? zap_other_threads+0x334/0x370 [ 31.242094][ T335] do_group_exit+0x22a/0x300 [ 31.246679][ T335] __x64_sys_exit_group+0x43/0x50 [ 31.251706][ T335] x64_sys_call+0x2ed2/0x2ee0 [ 31.256386][ T335] do_syscall_64+0x58/0xf0 [ 31.260808][ T335] ? clear_bhb_loop+0x50/0xa0 [ 31.265488][ T335] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.271393][ T335] RIP: 0033:0x7f6ec97adb89 [ 31.275888][ T335] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 31.282907][ T335] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.291355][ T335] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 31.299346][ T335] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 31.307313][ T335] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 31.315358][ T335] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 31.323394][ T335] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 31.331444][ T335] [pid 335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 336 ./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x555584721660, 24executing program ) = 0 [pid 336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 336] setpgid(0, 0) = 0 [pid 336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 336] write(3, "1000", 4) = 4 [pid 336] close(3) = 0 [pid 336] write(1, "executing program\n", 18) = 18 [pid 336] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 336] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 336] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 336] exit_group(0) = ? [ 31.334467][ T335] ---[ end trace 0000000000000000 ]--- [pid 336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 337 ./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x555584721660, 24) = 0 [pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 337] setpgid(0, 0) = 0 [pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 337] write(3, "1000", 4) = 4 [pid 337] close(3) = 0 [pid 337] write(1, "executing program\n", 18executing program ) = 18 [pid 337] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 337] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 337] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 337] exit_group(0) = ? [pid 337] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 338 ./strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x555584721660, 24) = 0 [pid 338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 338] setpgid(0, 0) = 0 [pid 338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 338] write(3, "1000", 4) = 4 [pid 338] close(3) = 0 executing program [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 338] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 338] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 338] exit_group(0) = ? [ 31.479446][ T338] ------------[ cut here ]------------ [ 31.484915][ T338] WARNING: CPU: 0 PID: 338 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 31.494656][ T338] Modules linked in: [ 31.498551][ T338] CPU: 0 UID: 0 PID: 338 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 31.513841][ T338] Tainted: [W]=WARN [ 31.517631][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 31.527695][ T338] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 31.533619][ T338] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 31.553249][ T338] RSP: 0018:ffffc900014afaa8 EFLAGS: 00010202 [ 31.559329][ T338] RAX: 1ffffd1ffff812a2 RBX: ffffc900014ba8e8 RCX: ffffffff816dadc9 [ 31.567305][ T338] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc09510 [ 31.575290][ T338] RBP: ffffc900014afb10 R08: ffffe8ffffc09517 R09: 1ffffd1ffff812a2 [ 31.583274][ T338] R10: dffffc0000000000 R11: fffff91ffff812a3 R12: dffffc0000000000 [ 31.591252][ T338] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc09510 [ 31.599268][ T338] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.608182][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.614776][ T338] CR2: 00007f6ec9829110 CR3: 0000000103bf8000 CR4: 00000000003526b0 [ 31.622779][ T338] Call Trace: [ 31.626041][ T338] [ 31.629033][ T338] kvm_put_kvm+0x1100/0x12b0 [ 31.633627][ T338] ? __cfi_kvm_vm_release+0x10/0x10 [ 31.638810][ T338] kvm_vm_release+0x47/0x70 [ 31.643410][ T338] __fput+0x1fe/0xa00 [ 31.647398][ T338] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.652956][ T338] ____fput+0x20/0x30 [ 31.656935][ T338] task_work_run+0x1e0/0x250 [ 31.661539][ T338] ? __cfi_task_work_run+0x10/0x10 [ 31.666643][ T338] ? __kasan_check_write+0x18/0x20 [ 31.671771][ T338] do_exit+0x9bc/0x2630 [ 31.675918][ T338] ? __cfi_do_exit+0x10/0x10 [ 31.680523][ T338] ? __kasan_check_write+0x18/0x20 [ 31.685632][ T338] ? _raw_spin_lock_irq+0x8d/0x120 [ 31.690758][ T338] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.696299][ T338] ? zap_other_threads+0x334/0x370 [ 31.701432][ T338] do_group_exit+0x22a/0x300 [ 31.706020][ T338] __x64_sys_exit_group+0x43/0x50 [ 31.711052][ T338] x64_sys_call+0x2ed2/0x2ee0 [ 31.715728][ T338] do_syscall_64+0x58/0xf0 [ 31.720153][ T338] ? clear_bhb_loop+0x50/0xa0 [ 31.724828][ T338] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.730732][ T338] RIP: 0033:0x7f6ec97adb89 [ 31.735140][ T338] Code: Unable to access opcode bytes at 0x7f6ec97adb5f. [ 31.742164][ T338] RSP: 002b:00007ffe79e3dd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.750592][ T338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ec97adb89 [ 31.758577][ T338] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 31.766550][ T338] RBP: 00007f6ec98282b0 R08: ffffffffffffffb8 R09: 0000000000000006 [pid 338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=29} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 339 ./strace-static-x86_64: Process 339 attached [pid 339] set_robust_list(0x555584721660, 24) = 0 [pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 339] setpgid(0, 0) = 0 [pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 339] write(3, "1000", 4) = 4 [pid 339] close(3) = 0 executing program [pid 339] write(1, "executing program\n", 18) = 18 [pid 339] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 339] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 339] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 339] exit_group(0) = ? [ 31.774533][ T338] R10: 0000000000000006 R11: 0000000000000246 R12: 00007f6ec98282b0 [ 31.782514][ T338] R13: 0000000000000000 R14: 00007f6ec9828d00 R15: 00007f6ec977ede0 [ 31.790498][ T338] [ 31.793496][ T338] ---[ end trace 0000000000000000 ]--- [pid 339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555584721650) = 340 ./strace-static-x86_64: Process 340 attached [pid 340] set_robust_list(0x555584721660, 24) = 0 [pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 340] setpgid(0, 0) = 0 [pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 340] write(3, "1000", 4) = 4 [pid 340] close(3) = 0 [pid 340] write(1, "executing program\n", 18executing program ) = 18 [pid 340] openat(AT_FDCWD, "/dev/kvm", O_WRONLY) = 3 [pid 340] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 340] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 340] exit_group(0) = ? [ 31.869479][ T340] ------------[ cut here ]------------ [ 31.874972][ T340] WARNING: CPU: 0 PID: 340 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 31.884744][ T340] Modules linked in: [ 31.888688][ T340] CPU: 0 UID: 0 PID: 340 Comm: syz-executor550 Tainted: G W 6.12.38-syzkaller-g21fbbe6cf817 #0 3699ea59a0ce13608b0d0a890a5baf062d2929f8 [ 31.904006][ T340] Tainted: [W]=WARN [ 31.907806][ T340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 31.917872][ T340] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 31.923813][ T340] Code: 00 48 8b 5d a0 74 08 48 89 df e8 22 23 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 31.943458][ T340] RSP: 0018:ffffc900014afaa8 EFLAGS: 00010202 [ 31.949548][ T340] RAX: 1ffffd1ffff812d2 RBX: ffffc900014d08e8 RCX: ffffffff816dadc9 [ 31.957504][ T340] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc09690