./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3584063699 <...> Warning: Permanently added '10.128.0.113' (ED25519) to the list of known hosts. execve("./syz-executor3584063699", ["./syz-executor3584063699"], 0x7ffe4608a190 /* 10 vars */) = 0 brk(NULL) = 0x55556da7d000 brk(0x55556da7dd00) = 0x55556da7dd00 arch_prctl(ARCH_SET_FS, 0x55556da7d380) = 0 set_tid_address(0x55556da7d650) = 297 set_robust_list(0x55556da7d660, 24) = 0 rseq(0x55556da7dca0, 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-executor3584063699", 4096) = 28 getrandom("\xa2\xde\x5e\x81\x90\x3d\x1f\x08", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556da7dd00 brk(0x55556da9ed00) = 0x55556da9ed00 brk(0x55556da9f000) = 0x55556da9f000 mprotect(0x7fe5644b0000, 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|SIGCHLD, child_tidptr=0x55556da7d650) = 298 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x55556da7d660, 24) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 298] setpgid(0, 0) = 0 [pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "1000", 4) = 4 [pid 298] close(3) = 0 executing program [pid 298] write(1, "executing program\n", 18) = 18 [pid 298] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [ 27.510003][ T36] audit: type=1400 audit(1752473186.050:64): avc: denied { execmem } for pid=297 comm="syz-executor358" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 27.518526][ T298] 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. [ 27.529438][ T36] audit: type=1400 audit(1752473186.060:65): avc: denied { read write } for pid=298 comm="syz-executor358" 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 [ 27.529470][ T36] audit: type=1400 audit(1752473186.060:66): avc: denied { open } for pid=298 comm="syz-executor358" 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 [pid 298] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 298] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 298] exit_group(0) = ? [ 27.529499][ T36] audit: type=1400 audit(1752473186.060:67): avc: denied { ioctl } for pid=298 comm="syz-executor358" 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 298] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=0, si_stime=9} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 300 attached , child_tidptr=0x55556da7d650) = 300 [pid 300] set_robust_list(0x55556da7d660, 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 [pid 300] write(1, "executing program\n", 18executing program ) = 18 [pid 300] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 300] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 300] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 300] exit_group(0) = ? [ 27.713334][ T300] ------------[ cut here ]------------ [ 27.718813][ T300] WARNING: CPU: 0 PID: 300 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 27.728578][ T300] Modules linked in: [ 27.732503][ T300] CPU: 0 UID: 0 PID: 300 Comm: syz-executor358 Not tainted 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 27.746346][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 27.756433][ T300] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 27.762337][ T300] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 27.782041][ T300] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202 [ 27.788143][ T300] RAX: 1ffffd1ffff80dea RBX: ffffc9000125a8e8 RCX: ffffffff816d8c29 [ 27.796133][ T300] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc06f50 [ 27.804143][ T300] RBP: ffffc900011bfb10 R08: ffffe8ffffc06f57 R09: 1ffffd1ffff80dea [ 27.812130][ T300] R10: dffffc0000000000 R11: fffff91ffff80deb R12: dffffc0000000000 [ 27.820147][ T300] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc06f50 [ 27.828138][ T300] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 27.837081][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.843702][ T300] CR2: 0000200000000040 CR3: 0000000103352000 CR4: 00000000003526b0 [ 27.851675][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.859671][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.867663][ T300] Call Trace: [ 27.870933][ T300] [ 27.873877][ T300] kvm_put_kvm+0x1100/0x12b0 [ 27.878488][ T300] ? __cfi_kvm_vm_release+0x10/0x10 [ 27.883713][ T300] kvm_vm_release+0x47/0x70 [ 27.888224][ T300] __fput+0x1fb/0xa00 [ 27.892197][ T300] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.897770][ T300] ____fput+0x20/0x30 [ 27.901762][ T300] task_work_run+0x1e3/0x250 [ 27.906392][ T300] ? __cfi_task_work_run+0x10/0x10 [ 27.911540][ T300] ? __kasan_check_write+0x18/0x20 [ 27.916688][ T300] do_exit+0x9b4/0x2630 [ 27.920874][ T300] ? __cfi_do_exit+0x10/0x10 [ 27.925502][ T300] ? __kasan_check_write+0x18/0x20 [ 27.930634][ T300] ? _raw_spin_lock_irq+0x8d/0x120 [ 27.935768][ T300] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.941416][ T300] ? zap_other_threads+0x334/0x370 [ 27.946554][ T300] do_group_exit+0x22a/0x300 [ 27.951166][ T300] __x64_sys_exit_group+0x43/0x50 [ 27.956248][ T300] x64_sys_call+0x2ed2/0x2ee0 [ 27.960935][ T300] do_syscall_64+0x58/0xf0 [ 27.965373][ T300] ? clear_bhb_loop+0x50/0xa0 [ 27.970072][ T300] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.975986][ T300] RIP: 0033:0x7fe56443bb89 [ 27.980428][ T300] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 27.987462][ T300] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.995907][ T300] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [ 28.003921][ T300] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [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=0x55556da7d650) = 301 ./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 301] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 301] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 301] exit_group(0) = ? [ 28.011901][ T300] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 28.019907][ T300] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 28.027899][ T300] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 28.035893][ T300] [ 28.038931][ T300] ---[ end trace 0000000000000000 ]--- [ 28.073349][ T301] ------------[ cut here ]------------ [ 28.078844][ T301] WARNING: CPU: 0 PID: 301 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 28.088611][ T301] Modules linked in: [ 28.092516][ T301] CPU: 0 UID: 0 PID: 301 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 28.107814][ T301] Tainted: [W]=WARN [ 28.111619][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.121691][ T301] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 28.127622][ T301] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 28.147269][ T301] RSP: 0018:ffffc9000123faa8 EFLAGS: 00010202 [ 28.153402][ T301] RAX: 1ffffd1ffff80e1a RBX: ffffc900012658e8 RCX: ffffffff816d8c29 [ 28.161379][ T301] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc070d0 [ 28.169365][ T301] RBP: ffffc9000123fb10 R08: ffffe8ffffc070d7 R09: 1ffffd1ffff80e1a [ 28.177361][ T301] R10: dffffc0000000000 R11: fffff91ffff80e1b R12: dffffc0000000000 [ 28.185382][ T301] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc070d0 [ 28.193399][ T301] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.202333][ T301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.208939][ T301] CR2: 00007fe5644b7110 CR3: 0000000103352000 CR4: 00000000003526b0 [ 28.216974][ T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.224992][ T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.233010][ T301] Call Trace: [ 28.236294][ T301] [ 28.239216][ T301] kvm_put_kvm+0x1100/0x12b0 [ 28.243832][ T301] ? __cfi_kvm_vm_release+0x10/0x10 [ 28.249055][ T301] kvm_vm_release+0x47/0x70 [ 28.253575][ T301] __fput+0x1fb/0xa00 [ 28.257564][ T301] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.263130][ T301] ____fput+0x20/0x30 [ 28.267122][ T301] task_work_run+0x1e3/0x250 [ 28.271714][ T301] ? __cfi_task_work_run+0x10/0x10 [ 28.276838][ T301] ? __kasan_check_write+0x18/0x20 [ 28.281956][ T301] do_exit+0x9b4/0x2630 [ 28.286131][ T301] ? __cfi_do_exit+0x10/0x10 [ 28.290765][ T301] ? __kasan_check_write+0x18/0x20 [ 28.295901][ T301] ? _raw_spin_lock_irq+0x8d/0x120 [ 28.301031][ T301] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.306616][ T301] ? zap_other_threads+0x334/0x370 [ 28.311745][ T301] do_group_exit+0x22a/0x300 [ 28.316383][ T301] __x64_sys_exit_group+0x43/0x50 [ 28.321437][ T301] x64_sys_call+0x2ed2/0x2ee0 [ 28.326153][ T301] do_syscall_64+0x58/0xf0 [ 28.330599][ T301] ? clear_bhb_loop+0x50/0xa0 [ 28.335308][ T301] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.341228][ T301] RIP: 0033:0x7fe56443bb89 [ 28.345680][ T301] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 28.352749][ T301] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.361279][ T301] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- 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=0x55556da7d650) = 302 [pid 302] set_robust_list(0x55556da7d660, 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 executing program [pid 302] write(1, "executing program\n", 18) = 18 [pid 302] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 302] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 302] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 302] exit_group(0) = ? [ 28.369279][ T301] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 28.377282][ T301] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 28.385469][ T301] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 28.393476][ T301] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 28.401462][ T301] [ 28.404533][ T301] ---[ end trace 0000000000000000 ]--- [ 28.433339][ T302] ------------[ cut here ]------------ [ 28.438820][ T302] WARNING: CPU: 0 PID: 302 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 28.448601][ T302] Modules linked in: [ 28.452521][ T302] CPU: 0 UID: 0 PID: 302 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 28.467821][ T302] Tainted: [W]=WARN [ 28.471623][ T302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.481704][ T302] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 28.487636][ T302] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 28.507358][ T302] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202 [ 28.513452][ T302] RAX: 1ffffd1ffff80e4a RBX: ffffc900012708e8 RCX: ffffffff816d8c29 [ 28.521412][ T302] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07250 [ 28.529448][ T302] RBP: ffffc900011bfb10 R08: ffffe8ffffc07257 R09: 1ffffd1ffff80e4a [ 28.537453][ T302] R10: dffffc0000000000 R11: fffff91ffff80e4b R12: dffffc0000000000 [ 28.545465][ T302] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07250 [ 28.553473][ T302] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.562407][ T302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.569012][ T302] CR2: 00005579d7ceb390 CR3: 0000000103352000 CR4: 00000000003526b0 [ 28.577013][ T302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.585019][ T302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.593019][ T302] Call Trace: [ 28.596298][ T302] [ 28.599219][ T302] kvm_put_kvm+0x1100/0x12b0 [ 28.603856][ T302] ? __cfi_kvm_vm_release+0x10/0x10 [ 28.609078][ T302] kvm_vm_release+0x47/0x70 [ 28.613604][ T302] __fput+0x1fb/0xa00 [ 28.617593][ T302] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.623154][ T302] ____fput+0x20/0x30 [ 28.627158][ T302] task_work_run+0x1e3/0x250 [ 28.631753][ T302] ? __cfi_task_work_run+0x10/0x10 [ 28.636905][ T302] ? __kasan_check_write+0x18/0x20 [ 28.642028][ T302] do_exit+0x9b4/0x2630 [ 28.646218][ T302] ? __cfi_do_exit+0x10/0x10 [ 28.650853][ T302] ? __kasan_check_write+0x18/0x20 [ 28.655991][ T302] ? _raw_spin_lock_irq+0x8d/0x120 [ 28.661121][ T302] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.666680][ T302] ? zap_other_threads+0x334/0x370 [ 28.671800][ T302] do_group_exit+0x22a/0x300 [ 28.676408][ T302] __x64_sys_exit_group+0x43/0x50 [ 28.681445][ T302] x64_sys_call+0x2ed2/0x2ee0 [ 28.686158][ T302] do_syscall_64+0x58/0xf0 [ 28.690589][ T302] ? clear_bhb_loop+0x50/0xa0 [ 28.695294][ T302] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.701225][ T302] RIP: 0033:0x7fe56443bb89 [ 28.705671][ T302] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 28.712717][ T302] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.721140][ T302] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=0x55556da7d650) = 303 ./strace-static-x86_64: Process 303 attached [pid 303] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 303] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 303] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 303] exit_group(0) = ? [ 28.729228][ T302] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 28.737664][ T302] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 28.745752][ T302] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 28.753756][ T302] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 28.761735][ T302] [ 28.764780][ T302] ---[ end trace 0000000000000000 ]--- [ 28.803244][ T303] ------------[ cut here ]------------ [ 28.808711][ T303] WARNING: CPU: 1 PID: 303 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 28.818470][ T303] Modules linked in: [ 28.822376][ T303] CPU: 1 UID: 0 PID: 303 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 28.837682][ T303] Tainted: [W]=WARN [ 28.841488][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 28.851562][ T303] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 28.857495][ T303] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 28.877135][ T303] RSP: 0018:ffffc9000121faa8 EFLAGS: 00010202 [ 28.883232][ T303] RAX: 1ffffd1ffff80e7a RBX: ffffc9000127b8e8 RCX: ffffffff816d8c29 [ 28.891381][ T303] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc073d0 [ 28.899408][ T303] RBP: ffffc9000121fb10 R08: ffffe8ffffc073d7 R09: 1ffffd1ffff80e7a [ 28.907421][ T303] R10: dffffc0000000000 R11: fffff91ffff80e7b R12: dffffc0000000000 [ 28.915440][ T303] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc073d0 [ 28.923450][ T303] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.932386][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.940515][ T303] CR2: 00005579d7fa0b60 CR3: 0000000103352000 CR4: 00000000003526b0 [ 28.948560][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.956591][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.964661][ T303] Call Trace: [ 28.967955][ T303] [ 28.970899][ T303] kvm_put_kvm+0x1100/0x12b0 [ 28.975525][ T303] ? __cfi_kvm_vm_release+0x10/0x10 [ 28.980749][ T303] kvm_vm_release+0x47/0x70 [ 28.985286][ T303] __fput+0x1fb/0xa00 [ 28.989284][ T303] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.994866][ T303] ____fput+0x20/0x30 [ 28.998936][ T303] task_work_run+0x1e3/0x250 [ 29.003565][ T303] ? __cfi_task_work_run+0x10/0x10 [ 29.008700][ T303] ? __kasan_check_write+0x18/0x20 [ 29.013944][ T303] do_exit+0x9b4/0x2630 [ 29.018124][ T303] ? __cfi_do_exit+0x10/0x10 [ 29.022740][ T303] ? __kasan_check_write+0x18/0x20 [ 29.027881][ T303] ? _raw_spin_lock_irq+0x8d/0x120 [ 29.033048][ T303] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.038633][ T303] ? zap_other_threads+0x334/0x370 [ 29.043811][ T303] do_group_exit+0x22a/0x300 [ 29.048422][ T303] __x64_sys_exit_group+0x43/0x50 [ 29.053491][ T303] x64_sys_call+0x2ed2/0x2ee0 [ 29.058213][ T303] do_syscall_64+0x58/0xf0 [ 29.062626][ T303] ? clear_bhb_loop+0x50/0xa0 [ 29.067392][ T303] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.073316][ T303] RIP: 0033:0x7fe56443bb89 [ 29.077741][ T303] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 29.084777][ T303] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.093229][ T303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=31} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 304 attached , child_tidptr=0x55556da7d650) = 304 [pid 304] set_robust_list(0x55556da7d660, 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(3) = 0 executing program [pid 304] write(1, "executing program\n", 18) = 18 [pid 304] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 304] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 304] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 304] exit_group(0) = ? [ 29.101209][ T303] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 29.109197][ T303] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 29.117204][ T303] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 29.125201][ T303] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 29.133236][ T303] [ 29.136253][ T303] ---[ end trace 0000000000000000 ]--- [ 29.173228][ T304] ------------[ cut here ]------------ [ 29.178690][ T304] WARNING: CPU: 1 PID: 304 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 29.188437][ T304] Modules linked in: [ 29.192346][ T304] CPU: 1 UID: 0 PID: 304 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 29.207655][ T304] Tainted: [W]=WARN [ 29.211468][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 29.221531][ T304] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 29.227468][ T304] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 29.247112][ T304] RSP: 0018:ffffc9000121faa8 EFLAGS: 00010202 [ 29.253217][ T304] RAX: 1ffffd1ffff80eaa RBX: ffffc900012868e8 RCX: ffffffff816d8c29 [ 29.261185][ T304] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07550 [ 29.269182][ T304] RBP: ffffc9000121fb10 R08: ffffe8ffffc07557 R09: 1ffffd1ffff80eaa [ 29.277188][ T304] R10: dffffc0000000000 R11: fffff91ffff80eab R12: dffffc0000000000 [ 29.285192][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07550 [ 29.293192][ T304] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 29.302116][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.308711][ T304] CR2: 00005579d7fa0b60 CR3: 0000000103352000 CR4: 00000000003526b0 [ 29.316709][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.324706][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.332700][ T304] Call Trace: [ 29.335972][ T304] [ 29.338928][ T304] kvm_put_kvm+0x1100/0x12b0 [ 29.343554][ T304] ? __cfi_kvm_vm_release+0x10/0x10 [ 29.348773][ T304] kvm_vm_release+0x47/0x70 [ 29.353296][ T304] __fput+0x1fb/0xa00 [ 29.357306][ T304] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.362881][ T304] ____fput+0x20/0x30 [ 29.366871][ T304] task_work_run+0x1e3/0x250 [ 29.371533][ T304] ? __cfi_task_work_run+0x10/0x10 [ 29.376662][ T304] ? __kasan_check_write+0x18/0x20 [ 29.381786][ T304] do_exit+0x9b4/0x2630 [ 29.385965][ T304] ? __cfi_do_exit+0x10/0x10 [ 29.390573][ T304] ? __kasan_check_write+0x18/0x20 [ 29.395706][ T304] ? _raw_spin_lock_irq+0x8d/0x120 [ 29.400831][ T304] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.406393][ T304] ? zap_other_threads+0x334/0x370 [ 29.411508][ T304] do_group_exit+0x22a/0x300 [ 29.416114][ T304] __x64_sys_exit_group+0x43/0x50 [ 29.421159][ T304] x64_sys_call+0x2ed2/0x2ee0 [ 29.425856][ T304] do_syscall_64+0x58/0xf0 [ 29.430285][ T304] ? clear_bhb_loop+0x50/0xa0 [ 29.434977][ T304] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.440921][ T304] RIP: 0033:0x7fe56443bb89 [ 29.445356][ T304] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 29.452376][ T304] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.460820][ T304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=0x55556da7d650) = 305 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x55556da7d660, 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 executing program [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 [pid 305] write(1, "executing program\n", 18) = 18 [pid 305] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 305] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 305] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 305] exit_group(0) = ? [ 29.468823][ T304] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 29.476812][ T304] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 29.484823][ T304] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 29.492830][ T304] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 29.500819][ T304] [ 29.503870][ 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 [pid 306] set_robust_list(0x55556da7d660, 24) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] <... clone resumed>, child_tidptr=0x55556da7d650) = 306 [pid 306] <... prctl resumed>) = 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 [pid 306] write(1, "executing program\n", 18executing program ) = 18 [pid 306] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 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, child_tidptr=0x55556da7d650) = 307 ./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x55556da7d660, 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(3) = 0 [pid 307] write(1, "executing program\n", 18executing program ) = 18 [pid 307] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 307] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 307] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 307] exit_group(0) = ? [ 29.653402][ T307] ------------[ cut here ]------------ [ 29.658884][ T307] WARNING: CPU: 1 PID: 307 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 29.668662][ T307] Modules linked in: [ 29.672568][ T307] CPU: 1 UID: 0 PID: 307 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 29.687881][ T307] Tainted: [W]=WARN [ 29.691690][ T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 29.701763][ T307] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 29.707719][ T307] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 29.727356][ T307] RSP: 0018:ffffc900012afaa8 EFLAGS: 00010202 [ 29.733454][ T307] RAX: 1ffffd1ffff80eda RBX: ffffc900012ba8e8 RCX: ffffffff816d8c29 [ 29.741430][ T307] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc076d0 [ 29.749429][ T307] RBP: ffffc900012afb10 R08: ffffe8ffffc076d7 R09: 1ffffd1ffff80eda [ 29.757440][ T307] R10: dffffc0000000000 R11: fffff91ffff80edb R12: dffffc0000000000 [ 29.765445][ T307] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc076d0 [ 29.773456][ T307] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 29.782390][ T307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.788989][ T307] CR2: 000055556da7d650 CR3: 0000000125b6e000 CR4: 00000000003526b0 [ 29.797006][ T307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.805020][ T307] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.813039][ T307] Call Trace: [ 29.816320][ T307] [ 29.819239][ T307] kvm_put_kvm+0x1100/0x12b0 [ 29.823846][ T307] ? __cfi_kvm_vm_release+0x10/0x10 [ 29.829055][ T307] kvm_vm_release+0x47/0x70 [ 29.833573][ T307] __fput+0x1fb/0xa00 [ 29.837560][ T307] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.843121][ T307] ____fput+0x20/0x30 [ 29.847110][ T307] task_work_run+0x1e3/0x250 [ 29.851693][ T307] ? __cfi_task_work_run+0x10/0x10 [ 29.856830][ T307] ? __kasan_check_write+0x18/0x20 [ 29.862057][ T307] do_exit+0x9b4/0x2630 [ 29.866243][ T307] ? __cfi_do_exit+0x10/0x10 [ 29.870842][ T307] ? __kasan_check_write+0x18/0x20 [ 29.875973][ T307] ? _raw_spin_lock_irq+0x8d/0x120 [ 29.881186][ T307] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 29.886742][ T307] ? zap_other_threads+0x334/0x370 [ 29.891862][ T307] do_group_exit+0x22a/0x300 [ 29.896469][ T307] __x64_sys_exit_group+0x43/0x50 [ 29.901594][ T307] x64_sys_call+0x2ed2/0x2ee0 [ 29.906287][ T307] do_syscall_64+0x58/0xf0 [ 29.910713][ T307] ? clear_bhb_loop+0x50/0xa0 [ 29.915432][ T307] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.921367][ T307] RIP: 0033:0x7fe56443bb89 [ 29.925801][ T307] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 29.932899][ T307] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.941317][ T307] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 308 attached , child_tidptr=0x55556da7d650) = 308 [pid 308] set_robust_list(0x55556da7d660, 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 [pid 308] write(1, "executing program\n", 18executing program ) = 18 [pid 308] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 308] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 308] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 308] exit_group(0) = ? [ 29.949310][ T307] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 29.957328][ T307] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 29.965418][ T307] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 29.973418][ T307] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 29.981492][ T307] [ 29.984532][ T307] ---[ end trace 0000000000000000 ]--- [ 30.023261][ T308] ------------[ cut here ]------------ [ 30.028723][ T308] WARNING: CPU: 0 PID: 308 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 30.038478][ T308] Modules linked in: [ 30.042405][ T308] CPU: 0 UID: 0 PID: 308 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 30.057695][ T308] Tainted: [W]=WARN [ 30.061505][ T308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 30.071665][ T308] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 30.077602][ T308] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 30.097250][ T308] RSP: 0018:ffffc900012afaa8 EFLAGS: 00010202 [ 30.103354][ T308] RAX: 1ffffd1ffff80f0a RBX: ffffc900012c58e8 RCX: ffffffff816d8c29 [ 30.111344][ T308] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07850 [ 30.119352][ T308] RBP: ffffc900012afb10 R08: ffffe8ffffc07857 R09: 1ffffd1ffff80f0a [ 30.127358][ T308] R10: dffffc0000000000 R11: fffff91ffff80f0b R12: dffffc0000000000 [ 30.135358][ T308] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07850 [ 30.143362][ T308] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 30.152292][ T308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.158924][ T308] CR2: 00007fe5644b7110 CR3: 0000000103352000 CR4: 00000000003526b0 [ 30.166928][ T308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.174922][ T308] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.182927][ T308] Call Trace: [ 30.186219][ T308] [ 30.189142][ T308] kvm_put_kvm+0x1100/0x12b0 [ 30.193751][ T308] ? __cfi_kvm_vm_release+0x10/0x10 [ 30.198962][ T308] kvm_vm_release+0x47/0x70 [ 30.203487][ T308] __fput+0x1fb/0xa00 [ 30.207495][ T308] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.213075][ T308] ____fput+0x20/0x30 [ 30.217066][ T308] task_work_run+0x1e3/0x250 [ 30.221660][ T308] ? __cfi_task_work_run+0x10/0x10 [ 30.226888][ T308] ? __kasan_check_write+0x18/0x20 [ 30.232017][ T308] do_exit+0x9b4/0x2630 [ 30.236277][ T308] ? __cfi_do_exit+0x10/0x10 [ 30.240874][ T308] ? __kasan_check_write+0x18/0x20 [ 30.246013][ T308] ? _raw_spin_lock_irq+0x8d/0x120 [ 30.251139][ T308] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.256700][ T308] ? zap_other_threads+0x334/0x370 [ 30.261833][ T308] do_group_exit+0x22a/0x300 [ 30.266474][ T308] __x64_sys_exit_group+0x43/0x50 [ 30.271515][ T308] x64_sys_call+0x2ed2/0x2ee0 [ 30.276228][ T308] do_syscall_64+0x58/0xf0 [ 30.280669][ T308] ? clear_bhb_loop+0x50/0xa0 [ 30.285385][ T308] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.291297][ T308] RIP: 0033:0x7fe56443bb89 [ 30.295728][ T308] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 30.302798][ T308] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.311223][ T308] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 309 attached , child_tidptr=0x55556da7d650) = 309 [pid 309] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 309] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 309] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 309] exit_group(0) = ? [ 30.319228][ T308] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 30.327253][ T308] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 30.335275][ T308] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 30.343284][ T308] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 30.351266][ T308] [ 30.354392][ T308] ---[ end trace 0000000000000000 ]--- [ 30.393375][ T309] ------------[ cut here ]------------ [ 30.398858][ T309] WARNING: CPU: 1 PID: 309 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 30.408618][ T309] Modules linked in: [ 30.412523][ T309] CPU: 1 UID: 0 PID: 309 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 30.427825][ T309] Tainted: [W]=WARN [ 30.431627][ T309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 30.441712][ T309] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 30.447697][ T309] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 30.467343][ T309] RSP: 0018:ffffc900012cfaa8 EFLAGS: 00010202 [ 30.473451][ T309] RAX: 1ffffd1ffff80f3a RBX: ffffc900012da8e8 RCX: ffffffff816d8c29 [ 30.481422][ T309] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc079d0 [ 30.489456][ T309] RBP: ffffc900012cfb10 R08: ffffe8ffffc079d7 R09: 1ffffd1ffff80f3a [ 30.497493][ T309] R10: dffffc0000000000 R11: fffff91ffff80f3b R12: dffffc0000000000 [ 30.505506][ T309] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc079d0 [ 30.513507][ T309] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 30.522455][ T309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.529088][ T309] CR2: 000055556da7d650 CR3: 0000000103352000 CR4: 00000000003526b0 [ 30.537100][ T309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.545098][ T309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.553099][ T309] Call Trace: [ 30.556388][ T309] [ 30.559322][ T309] kvm_put_kvm+0x1100/0x12b0 [ 30.563941][ T309] ? __cfi_kvm_vm_release+0x10/0x10 [ 30.569157][ T309] kvm_vm_release+0x47/0x70 [ 30.573781][ T309] __fput+0x1fb/0xa00 [ 30.577776][ T309] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.583358][ T309] ____fput+0x20/0x30 [ 30.587356][ T309] task_work_run+0x1e3/0x250 [ 30.591944][ T309] ? __cfi_task_work_run+0x10/0x10 [ 30.597084][ T309] ? __kasan_check_write+0x18/0x20 [ 30.602218][ T309] do_exit+0x9b4/0x2630 [ 30.606400][ T309] ? __cfi_do_exit+0x10/0x10 [ 30.611043][ T309] ? __kasan_check_write+0x18/0x20 [ 30.616198][ T309] ? _raw_spin_lock_irq+0x8d/0x120 [ 30.621342][ T309] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.626926][ T309] ? zap_other_threads+0x334/0x370 [ 30.632059][ T309] do_group_exit+0x22a/0x300 [ 30.636672][ T309] __x64_sys_exit_group+0x43/0x50 [ 30.641717][ T309] x64_sys_call+0x2ed2/0x2ee0 [ 30.646429][ T309] do_syscall_64+0x58/0xf0 [ 30.650866][ T309] ? clear_bhb_loop+0x50/0xa0 [ 30.655563][ T309] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.661478][ T309] RIP: 0033:0x7fe56443bb89 [ 30.665909][ T309] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 30.672972][ T309] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.681407][ T309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=31} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 310 attached , child_tidptr=0x55556da7d650) = 310 [pid 310] set_robust_list(0x55556da7d660, 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(3) = 0 executing program [pid 310] write(1, "executing program\n", 18) = 18 [pid 310] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 310] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 310] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 310] exit_group(0) = ? [ 30.689433][ T309] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 30.697435][ T309] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 30.705437][ T309] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 30.713447][ T309] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 30.721418][ T309] [ 30.724470][ T309] ---[ end trace 0000000000000000 ]--- [ 30.763197][ T310] ------------[ cut here ]------------ [ 30.768660][ T310] WARNING: CPU: 1 PID: 310 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 30.778446][ T310] Modules linked in: [ 30.782352][ T310] CPU: 1 UID: 0 PID: 310 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 30.797668][ T310] Tainted: [W]=WARN [ 30.801482][ T310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 30.811657][ T310] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 30.817612][ T310] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 30.837263][ T310] RSP: 0018:ffffc900012e7aa8 EFLAGS: 00010202 [ 30.843370][ T310] RAX: 1ffffd1ffff80f6a RBX: ffffc900012f28e8 RCX: ffffffff816d8c29 [ 30.851345][ T310] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07b50 [ 30.859347][ T310] RBP: ffffc900012e7b10 R08: ffffe8ffffc07b57 R09: 1ffffd1ffff80f6a [ 30.867363][ T310] R10: dffffc0000000000 R11: fffff91ffff80f6b R12: dffffc0000000000 [ 30.875389][ T310] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07b50 [ 30.883403][ T310] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 30.892429][ T310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.899041][ T310] CR2: 000055556da7d650 CR3: 0000000103352000 CR4: 00000000003526b0 [ 30.907039][ T310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.915075][ T310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.923072][ T310] Call Trace: [ 30.926345][ T310] [ 30.929267][ T310] kvm_put_kvm+0x1100/0x12b0 [ 30.933888][ T310] ? __cfi_kvm_vm_release+0x10/0x10 [ 30.939099][ T310] kvm_vm_release+0x47/0x70 [ 30.943620][ T310] __fput+0x1fb/0xa00 [ 30.947628][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.953208][ T310] ____fput+0x20/0x30 [ 30.957202][ T310] task_work_run+0x1e3/0x250 [ 30.961784][ T310] ? __cfi_task_work_run+0x10/0x10 [ 30.966916][ T310] ? __kasan_check_write+0x18/0x20 [ 30.972047][ T310] do_exit+0x9b4/0x2630 [ 30.976241][ T310] ? __cfi_do_exit+0x10/0x10 [ 30.980840][ T310] ? __kasan_check_write+0x18/0x20 [ 30.985969][ T310] ? _raw_spin_lock_irq+0x8d/0x120 [ 30.991096][ T310] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 30.996650][ T310] ? zap_other_threads+0x334/0x370 [ 31.001779][ T310] do_group_exit+0x22a/0x300 [ 31.006388][ T310] __x64_sys_exit_group+0x43/0x50 [ 31.011422][ T310] x64_sys_call+0x2ed2/0x2ee0 [ 31.016124][ T310] do_syscall_64+0x58/0xf0 [ 31.020579][ T310] ? clear_bhb_loop+0x50/0xa0 [ 31.025297][ T310] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.031213][ T310] RIP: 0033:0x7fe56443bb89 [ 31.035644][ T310] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 31.042722][ T310] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.051143][ T310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=31} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 311 ./strace-static-x86_64: Process 311 attached [pid 311] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 311] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 311] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 311] exit_group(0) = ? [ 31.059146][ T310] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 31.067168][ T310] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 31.075260][ T310] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 31.083266][ T310] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 31.091267][ T310] [ 31.094299][ T310] ---[ end trace 0000000000000000 ]--- [ 31.133328][ T311] ------------[ cut here ]------------ [ 31.138792][ T311] WARNING: CPU: 1 PID: 311 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 31.148565][ T311] Modules linked in: [ 31.152467][ T311] CPU: 1 UID: 0 PID: 311 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 31.167766][ T311] Tainted: [W]=WARN [ 31.171575][ T311] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 31.181820][ T311] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 31.187770][ T311] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 31.207416][ T311] RSP: 0018:ffffc900012ffaa8 EFLAGS: 00010202 [ 31.213511][ T311] RAX: 1ffffd1ffff80f9a RBX: ffffc9000130a8e8 RCX: ffffffff816d8c29 [ 31.221489][ T311] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07cd0 [ 31.229473][ T311] RBP: ffffc900012ffb10 R08: ffffe8ffffc07cd7 R09: 1ffffd1ffff80f9a [ 31.237465][ T311] R10: dffffc0000000000 R11: fffff91ffff80f9b R12: dffffc0000000000 [ 31.245461][ T311] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07cd0 [ 31.253469][ T311] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 31.262390][ T311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.268992][ T311] CR2: 000055556da7d650 CR3: 0000000103352000 CR4: 00000000003526b0 [ 31.276982][ T311] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.284970][ T311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.292969][ T311] Call Trace: [ 31.296252][ T311] [ 31.299175][ T311] kvm_put_kvm+0x1100/0x12b0 [ 31.303877][ T311] ? __cfi_kvm_vm_release+0x10/0x10 [ 31.309096][ T311] kvm_vm_release+0x47/0x70 [ 31.313636][ T311] __fput+0x1fb/0xa00 [ 31.317632][ T311] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.323206][ T311] ____fput+0x20/0x30 [ 31.327195][ T311] task_work_run+0x1e3/0x250 [ 31.331778][ T311] ? __cfi_task_work_run+0x10/0x10 [ 31.336919][ T311] ? __kasan_check_write+0x18/0x20 [ 31.342042][ T311] do_exit+0x9b4/0x2630 [ 31.346228][ T311] ? __cfi_do_exit+0x10/0x10 [ 31.350849][ T311] ? __kasan_check_write+0x18/0x20 [ 31.355985][ T311] ? _raw_spin_lock_irq+0x8d/0x120 [ 31.361114][ T311] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.366779][ T311] ? zap_other_threads+0x334/0x370 [ 31.371928][ T311] do_group_exit+0x22a/0x300 [ 31.376542][ T311] __x64_sys_exit_group+0x43/0x50 [ 31.381590][ T311] x64_sys_call+0x2ed2/0x2ee0 [ 31.386310][ T311] do_syscall_64+0x58/0xf0 [ 31.390746][ T311] ? clear_bhb_loop+0x50/0xa0 [ 31.395455][ T311] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.401375][ T311] RIP: 0033:0x7fe56443bb89 [ 31.405811][ T311] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 31.412854][ T311] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.421269][ T311] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=31} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 312 ./strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x55556da7d660, 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 [pid 312] write(1, "executing program\n", 18executing program ) = 18 [pid 312] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 312] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 312] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 312] exit_group(0) = ? [ 31.429255][ T311] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 31.437261][ T311] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 31.445284][ T311] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 31.453304][ T311] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 31.461284][ T311] [ 31.464337][ T311] ---[ end trace 0000000000000000 ]--- [ 31.503265][ T312] ------------[ cut here ]------------ [ 31.508776][ T312] WARNING: CPU: 0 PID: 312 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 31.518552][ T312] Modules linked in: [ 31.522457][ T312] CPU: 0 UID: 0 PID: 312 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 31.537808][ T312] Tainted: [W]=WARN [ 31.541620][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 31.551704][ T312] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 31.557643][ T312] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 31.577290][ T312] RSP: 0018:ffffc9000128faa8 EFLAGS: 00010202 [ 31.583392][ T312] RAX: 1ffffd1ffff80fca RBX: ffffc900013158e8 RCX: ffffffff816d8c29 [ 31.591366][ T312] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07e50 [ 31.599346][ T312] RBP: ffffc9000128fb10 R08: ffffe8ffffc07e57 R09: 1ffffd1ffff80fca [ 31.607372][ T312] R10: dffffc0000000000 R11: fffff91ffff80fcb R12: dffffc0000000000 [ 31.615378][ T312] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07e50 [ 31.623387][ T312] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.632334][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.638944][ T312] CR2: 00007fe5644b7110 CR3: 0000000125b6e000 CR4: 00000000003526b0 [ 31.646959][ T312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.654952][ T312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.662976][ T312] Call Trace: [ 31.666259][ T312] [ 31.669182][ T312] kvm_put_kvm+0x1100/0x12b0 [ 31.673818][ T312] ? __cfi_kvm_vm_release+0x10/0x10 [ 31.679043][ T312] kvm_vm_release+0x47/0x70 [ 31.683620][ T312] __fput+0x1fb/0xa00 [ 31.687663][ T312] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.693259][ T312] ____fput+0x20/0x30 [ 31.697251][ T312] task_work_run+0x1e3/0x250 [ 31.701839][ T312] ? __cfi_task_work_run+0x10/0x10 [ 31.707016][ T312] ? __kasan_check_write+0x18/0x20 [ 31.712149][ T312] do_exit+0x9b4/0x2630 [ 31.716329][ T312] ? __cfi_do_exit+0x10/0x10 [ 31.720929][ T312] ? __kasan_check_write+0x18/0x20 [ 31.726064][ T312] ? _raw_spin_lock_irq+0x8d/0x120 [ 31.731220][ T312] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 31.736788][ T312] ? zap_other_threads+0x334/0x370 [ 31.741912][ T312] do_group_exit+0x22a/0x300 [ 31.746522][ T312] __x64_sys_exit_group+0x43/0x50 [ 31.751560][ T312] x64_sys_call+0x2ed2/0x2ee0 [ 31.756283][ T312] do_syscall_64+0x58/0xf0 [ 31.760724][ T312] ? clear_bhb_loop+0x50/0xa0 [ 31.765445][ T312] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.771353][ T312] RIP: 0033:0x7fe56443bb89 [ 31.775784][ T312] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 31.782839][ T312] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.791261][ T312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=0x55556da7d650) = 313 ./strace-static-x86_64: Process 313 attached [pid 313] set_robust_list(0x55556da7d660, 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 [pid 313] write(1, "executing program\n", 18executing program ) = 18 [pid 313] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 313] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 313] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 313] exit_group(0) = ? [ 31.799262][ T312] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 31.807267][ T312] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 31.815286][ T312] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 31.823390][ T312] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 31.831392][ T312] [ 31.834430][ T312] ---[ end trace 0000000000000000 ]--- [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 314 attached , child_tidptr=0x55556da7d650) = 314 [pid 314] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 314] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 314] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 314] exit_group(0) = ? [ 31.923251][ T314] ------------[ cut here ]------------ [ 31.928761][ T314] WARNING: CPU: 1 PID: 314 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 31.938512][ T314] Modules linked in: [ 31.942441][ T314] CPU: 1 UID: 0 PID: 314 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 31.957748][ T314] Tainted: [W]=WARN [ 31.961556][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 31.971666][ T314] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 31.977609][ T314] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 31.997246][ T314] RSP: 0018:ffffc900012ffaa8 EFLAGS: 00010202 [ 32.003400][ T314] RAX: 1ffffd1ffff80ffa RBX: ffffc9000132b8e8 RCX: ffffffff816d8c29 [ 32.011371][ T314] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07fd0 [ 32.019423][ T314] RBP: ffffc900012ffb10 R08: ffffe8ffffc07fd7 R09: 1ffffd1ffff80ffa [ 32.027425][ T314] R10: dffffc0000000000 R11: fffff91ffff80ffb R12: dffffc0000000000 [ 32.035440][ T314] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07fd0 [ 32.043443][ T314] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 32.052450][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.059046][ T314] CR2: 00007fe5644b7110 CR3: 0000000103352000 CR4: 00000000003526b0 [ 32.067053][ T314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.075074][ T314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.083072][ T314] Call Trace: [ 32.086343][ T314] [ 32.089265][ T314] kvm_put_kvm+0x1100/0x12b0 [ 32.093893][ T314] ? __cfi_kvm_vm_release+0x10/0x10 [ 32.099112][ T314] kvm_vm_release+0x47/0x70 [ 32.103638][ T314] __fput+0x1fb/0xa00 [ 32.107627][ T314] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.113185][ T314] ____fput+0x20/0x30 [ 32.117168][ T314] task_work_run+0x1e3/0x250 [ 32.121749][ T314] ? __cfi_task_work_run+0x10/0x10 [ 32.126894][ T314] ? __kasan_check_write+0x18/0x20 [ 32.132019][ T314] do_exit+0x9b4/0x2630 [ 32.136211][ T314] ? __cfi_do_exit+0x10/0x10 [ 32.140833][ T314] ? __kasan_check_write+0x18/0x20 [ 32.145961][ T314] ? _raw_spin_lock_irq+0x8d/0x120 [ 32.151083][ T314] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.156637][ T314] ? zap_other_threads+0x334/0x370 [ 32.161747][ T314] do_group_exit+0x22a/0x300 [ 32.166353][ T314] __x64_sys_exit_group+0x43/0x50 [ 32.171383][ T314] x64_sys_call+0x2ed2/0x2ee0 [ 32.176082][ T314] do_syscall_64+0x58/0xf0 [ 32.180509][ T314] ? clear_bhb_loop+0x50/0xa0 [ 32.185231][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.191151][ T314] RIP: 0033:0x7fe56443bb89 [ 32.195611][ T314] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 32.202632][ T314] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 32.211085][ T314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 315 ./strace-static-x86_64: Process 315 attached [pid 315] set_robust_list(0x55556da7d660, 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 executing program [pid 315] write(1, "executing program\n", 18) = 18 [pid 315] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 315] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 315] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 315] exit_group(0) = ? [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=0x55556da7d650) = 316 ./strace-static-x86_64: Process 316 attached [pid 316] set_robust_list(0x55556da7d660, 24) = 0 [ 32.219163][ T314] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 32.227163][ T314] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 32.235167][ T314] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 32.243165][ T314] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 32.251157][ T314] [ 32.254199][ T314] ---[ end trace 0000000000000000 ]--- [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(3) = 0 [pid 316] write(1, "executing program\n", 18executing program ) = 18 [pid 316] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 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=0x55556da7d650) = 317 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 317] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 317] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 317] exit_group(0) = ? [ 32.383222][ T317] ------------[ cut here ]------------ [ 32.388711][ T317] WARNING: CPU: 1 PID: 317 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 32.398485][ T317] Modules linked in: [ 32.402390][ T317] CPU: 1 UID: 0 PID: 317 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 32.417706][ T317] Tainted: [W]=WARN [ 32.421514][ T317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 32.431599][ T317] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 32.437560][ T317] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 32.457193][ T317] RSP: 0018:ffffc900012ffaa8 EFLAGS: 00010202 [ 32.463287][ T317] RAX: 1ffffd1ffff8102a RBX: ffffc9000134c8e8 RCX: ffffffff816d8c29 [ 32.471254][ T317] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08150 [ 32.479261][ T317] RBP: ffffc900012ffb10 R08: ffffe8ffffc08157 R09: 1ffffd1ffff8102a [ 32.487268][ T317] R10: dffffc0000000000 R11: fffff91ffff8102b R12: dffffc0000000000 [ 32.495298][ T317] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08150 [ 32.503309][ T317] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 32.512244][ T317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.518850][ T317] CR2: 00007fe5644b40d0 CR3: 0000000103352000 CR4: 00000000003526b0 [ 32.526862][ T317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.534866][ T317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.542880][ T317] Call Trace: [ 32.546182][ T317] [ 32.549109][ T317] kvm_put_kvm+0x1100/0x12b0 [ 32.553731][ T317] ? __cfi_kvm_vm_release+0x10/0x10 [ 32.558959][ T317] kvm_vm_release+0x47/0x70 [ 32.563499][ T317] __fput+0x1fb/0xa00 [ 32.567503][ T317] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.573074][ T317] ____fput+0x20/0x30 [ 32.577067][ T317] task_work_run+0x1e3/0x250 [ 32.581649][ T317] ? __cfi_task_work_run+0x10/0x10 [ 32.586779][ T317] ? __kasan_check_write+0x18/0x20 [ 32.591914][ T317] do_exit+0x9b4/0x2630 [ 32.596145][ T317] ? __cfi_do_exit+0x10/0x10 [ 32.600771][ T317] ? __kasan_check_write+0x18/0x20 [ 32.605906][ T317] ? _raw_spin_lock_irq+0x8d/0x120 [ 32.611033][ T317] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.616603][ T317] ? zap_other_threads+0x334/0x370 [ 32.621728][ T317] do_group_exit+0x22a/0x300 [ 32.626339][ T317] __x64_sys_exit_group+0x43/0x50 [ 32.631388][ T317] x64_sys_call+0x2ed2/0x2ee0 [ 32.636109][ T317] do_syscall_64+0x58/0xf0 [ 32.640540][ T317] ? clear_bhb_loop+0x50/0xa0 [ 32.645263][ T317] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.651186][ T317] RIP: 0033:0x7fe56443bb89 [ 32.655684][ T317] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 32.662749][ T317] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 32.671153][ T317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 318 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x55556da7d660, 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 executing program [pid 318] close(3) = 0 [pid 318] write(1, "executing program\n", 18) = 18 [pid 318] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 318] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 318] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 318] exit_group(0) = ? [ 32.679145][ T317] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 32.687136][ T317] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 32.695124][ T317] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 32.703120][ T317] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 32.711086][ T317] [ 32.714140][ T317] ---[ end trace 0000000000000000 ]--- [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 319 attached , child_tidptr=0x55556da7d650) = 319 [pid 319] set_robust_list(0x55556da7d660, 24) = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 319] setpgid(0, 0) = 0 executing program [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 [pid 319] write(1, "executing program\n", 18) = 18 [pid 319] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 319] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 319] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 319] exit_group(0) = ? [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 320 attached , child_tidptr=0x55556da7d650) = 320 [pid 320] set_robust_list(0x55556da7d660, 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 [pid 320] write(3, "1000", 4) = 4 [pid 320] close(3) = 0 executing program [pid 320] write(1, "executing program\n", 18) = 18 [pid 320] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 320] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 320] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 320] exit_group(0) = ? [ 32.853443][ T320] ------------[ cut here ]------------ [ 32.858935][ T320] WARNING: CPU: 1 PID: 320 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 32.868703][ T320] Modules linked in: [ 32.872605][ T320] CPU: 1 UID: 0 PID: 320 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 32.887909][ T320] Tainted: [W]=WARN [ 32.891713][ T320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 32.901788][ T320] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 32.907731][ T320] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 32.927368][ T320] RSP: 0018:ffffc9000128faa8 EFLAGS: 00010202 [ 32.933460][ T320] RAX: 1ffffd1ffff8105a RBX: ffffc9000136d8e8 RCX: ffffffff816d8c29 [ 32.941433][ T320] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc082d0 [ 32.949423][ T320] RBP: ffffc9000128fb10 R08: ffffe8ffffc082d7 R09: 1ffffd1ffff8105a [ 32.957413][ T320] R10: dffffc0000000000 R11: fffff91ffff8105b R12: dffffc0000000000 [ 32.965409][ T320] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc082d0 [ 32.973410][ T320] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 32.982330][ T320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.988924][ T320] CR2: 00007fe5644b7110 CR3: 0000000103352000 CR4: 00000000003526b0 [ 32.996915][ T320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.004909][ T320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.012926][ T320] Call Trace: [ 33.016209][ T320] [ 33.019144][ T320] kvm_put_kvm+0x1100/0x12b0 [ 33.023762][ T320] ? __cfi_kvm_vm_release+0x10/0x10 [ 33.028974][ T320] kvm_vm_release+0x47/0x70 [ 33.033493][ T320] __fput+0x1fb/0xa00 [ 33.037483][ T320] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 33.043062][ T320] ____fput+0x20/0x30 [ 33.047052][ T320] task_work_run+0x1e3/0x250 [ 33.051635][ T320] ? __cfi_task_work_run+0x10/0x10 [ 33.056787][ T320] ? __kasan_check_write+0x18/0x20 [ 33.061911][ T320] do_exit+0x9b4/0x2630 [ 33.066093][ T320] ? __cfi_do_exit+0x10/0x10 [ 33.070706][ T320] ? __kasan_check_write+0x18/0x20 [ 33.075844][ T320] ? _raw_spin_lock_irq+0x8d/0x120 [ 33.080981][ T320] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 33.086555][ T320] ? zap_other_threads+0x334/0x370 [ 33.091677][ T320] do_group_exit+0x22a/0x300 [ 33.096285][ T320] __x64_sys_exit_group+0x43/0x50 [ 33.101326][ T320] x64_sys_call+0x2ed2/0x2ee0 [ 33.106032][ T320] do_syscall_64+0x58/0xf0 [ 33.110486][ T320] ? clear_bhb_loop+0x50/0xa0 [ 33.115195][ T320] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 33.121124][ T320] RIP: 0033:0x7fe56443bb89 [ 33.125602][ T320] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 33.132627][ T320] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.141061][ T320] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 321 ./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 321] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 321] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 321] exit_group(0) = ? [ 33.149069][ T320] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 33.157066][ T320] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 33.165063][ T320] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 33.173069][ T320] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 33.181044][ T320] [ 33.184081][ T320] ---[ end trace 0000000000000000 ]--- [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 322 ./strace-static-x86_64: Process 322 attached [pid 322] set_robust_list(0x55556da7d660, 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 executing program [pid 322] write(1, "executing program\n", 18) = 18 [pid 322] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 322] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 322] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 322] exit_group(0) = ? [ 33.273278][ T322] ------------[ cut here ]------------ [ 33.278744][ T322] WARNING: CPU: 1 PID: 322 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 33.288520][ T322] Modules linked in: [ 33.292430][ T322] CPU: 1 UID: 0 PID: 322 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 33.307754][ T322] Tainted: [W]=WARN [ 33.311585][ T322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 33.321646][ T322] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 33.327576][ T322] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 33.347236][ T322] RSP: 0018:ffffc90001387aa8 EFLAGS: 00010202 [ 33.353322][ T322] RAX: 1ffffd1ffff8108a RBX: ffffc900013928e8 RCX: ffffffff816d8c29 [ 33.361285][ T322] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08450 [ 33.369287][ T322] RBP: ffffc90001387b10 R08: ffffe8ffffc08457 R09: 1ffffd1ffff8108a [ 33.377285][ T322] R10: dffffc0000000000 R11: fffff91ffff8108b R12: dffffc0000000000 [ 33.385277][ T322] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08450 [ 33.393278][ T322] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 33.402212][ T322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.408817][ T322] CR2: 00007fe5644b40d0 CR3: 0000000103352000 CR4: 00000000003526b0 [ 33.416811][ T322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.424826][ T322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.432850][ T322] Call Trace: [ 33.436153][ T322] [ 33.439078][ T322] kvm_put_kvm+0x1100/0x12b0 [ 33.443705][ T322] ? __cfi_kvm_vm_release+0x10/0x10 [ 33.448947][ T322] kvm_vm_release+0x47/0x70 [ 33.453484][ T322] __fput+0x1fb/0xa00 [ 33.457486][ T322] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 33.463069][ T322] ____fput+0x20/0x30 [ 33.467182][ T322] task_work_run+0x1e3/0x250 [ 33.471848][ T322] ? __cfi_task_work_run+0x10/0x10 [ 33.477009][ T322] ? __kasan_check_write+0x18/0x20 [ 33.482140][ T322] do_exit+0x9b4/0x2630 [ 33.486352][ T322] ? __cfi_do_exit+0x10/0x10 [ 33.490961][ T322] ? __kasan_check_write+0x18/0x20 [ 33.496098][ T322] ? _raw_spin_lock_irq+0x8d/0x120 [ 33.501228][ T322] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 33.506795][ T322] ? zap_other_threads+0x334/0x370 [ 33.511917][ T322] do_group_exit+0x22a/0x300 [ 33.516525][ T322] __x64_sys_exit_group+0x43/0x50 [ 33.521558][ T322] x64_sys_call+0x2ed2/0x2ee0 [ 33.526272][ T322] do_syscall_64+0x58/0xf0 [ 33.530699][ T322] ? clear_bhb_loop+0x50/0xa0 [ 33.535404][ T322] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 33.541318][ T322] RIP: 0033:0x7fe56443bb89 [ 33.545748][ T322] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 33.552797][ T322] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.561218][ T322] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 323 ./strace-static-x86_64: Process 323 attached [pid 323] set_robust_list(0x55556da7d660, 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 executing program [pid 323] write(1, "executing program\n", 18) = 18 [pid 323] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 323] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 323] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 323] exit_group(0) = ? [ 33.569203][ T322] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 33.577199][ T322] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 33.585205][ T322] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 33.593208][ T322] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 33.601196][ T322] [ 33.604232][ T322] ---[ end trace 0000000000000000 ]--- [ 33.653283][ T323] ------------[ cut here ]------------ [ 33.658746][ T323] WARNING: CPU: 1 PID: 323 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 33.668507][ T323] Modules linked in: [ 33.672415][ T323] CPU: 1 UID: 0 PID: 323 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 33.687715][ T323] Tainted: [W]=WARN [ 33.691519][ T323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 33.701675][ T323] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 33.707610][ T323] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 33.727253][ T323] RSP: 0018:ffffc900012ffaa8 EFLAGS: 00010202 [ 33.733346][ T323] RAX: 1ffffd1ffff810ba RBX: ffffc9000139d8e8 RCX: ffffffff816d8c29 [ 33.741309][ T323] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc085d0 [ 33.749295][ T323] RBP: ffffc900012ffb10 R08: ffffe8ffffc085d7 R09: 1ffffd1ffff810ba [ 33.757294][ T323] R10: dffffc0000000000 R11: fffff91ffff810bb R12: dffffc0000000000 [ 33.765369][ T323] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc085d0 [ 33.773373][ T323] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 33.782291][ T323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.788890][ T323] CR2: 000055556da7d650 CR3: 0000000103352000 CR4: 00000000003526b0 [ 33.796884][ T323] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.804962][ T323] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.812974][ T323] Call Trace: [ 33.816250][ T323] [ 33.819168][ T323] kvm_put_kvm+0x1100/0x12b0 [ 33.823787][ T323] ? __cfi_kvm_vm_release+0x10/0x10 [ 33.829001][ T323] kvm_vm_release+0x47/0x70 [ 33.833531][ T323] __fput+0x1fb/0xa00 [ 33.837528][ T323] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 33.843110][ T323] ____fput+0x20/0x30 [ 33.847115][ T323] task_work_run+0x1e3/0x250 [ 33.851705][ T323] ? __cfi_task_work_run+0x10/0x10 [ 33.856834][ T323] ? __kasan_check_write+0x18/0x20 [ 33.861965][ T323] do_exit+0x9b4/0x2630 [ 33.866151][ T323] ? __cfi_do_exit+0x10/0x10 [ 33.870757][ T323] ? __kasan_check_write+0x18/0x20 [ 33.875890][ T323] ? _raw_spin_lock_irq+0x8d/0x120 [ 33.881017][ T323] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 33.886588][ T323] ? zap_other_threads+0x334/0x370 [ 33.891713][ T323] do_group_exit+0x22a/0x300 [ 33.896334][ T323] __x64_sys_exit_group+0x43/0x50 [ 33.901381][ T323] x64_sys_call+0x2ed2/0x2ee0 [ 33.906094][ T323] do_syscall_64+0x58/0xf0 [ 33.910570][ T323] ? clear_bhb_loop+0x50/0xa0 [ 33.915284][ T323] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 33.921235][ T323] RIP: 0033:0x7fe56443bb89 [ 33.925674][ T323] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 33.932721][ T323] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.941146][ T323] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=31} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 324 attached , child_tidptr=0x55556da7d650) = 324 [pid 324] set_robust_list(0x55556da7d660, 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(3executing program ) = 0 [pid 324] write(1, "executing program\n", 18) = 18 [pid 324] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 324] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 324] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 324] exit_group(0) = ? [ 33.949149][ T323] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 33.957146][ T323] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 33.965151][ T323] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 33.973144][ T323] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 33.981112][ T323] [ 33.984156][ T323] ---[ end trace 0000000000000000 ]--- [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 325 attached , child_tidptr=0x55556da7d650) = 325 [pid 325] set_robust_list(0x55556da7d660, 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 [pid 325] close(3) = 0 executing program [pid 325] write(1, "executing program\n", 18) = 18 [pid 325] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 325] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 325] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 325] exit_group(0) = ? [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 326 ./strace-static-x86_64: Process 326 attached [pid 326] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 326] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 326] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 326] exit_group(0) = ? [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 327 ./strace-static-x86_64: Process 327 attached [pid 327] set_robust_list(0x55556da7d660, 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(3) = 0 [pid 327] write(1, "executing program\n", 18executing program ) = 18 [pid 327] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 327] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 327] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 327] exit_group(0) = ? [ 34.203392][ T327] ------------[ cut here ]------------ [ 34.208881][ T327] WARNING: CPU: 1 PID: 327 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 34.218633][ T327] Modules linked in: [ 34.222539][ T327] CPU: 1 UID: 0 PID: 327 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 34.237837][ T327] Tainted: [W]=WARN [ 34.241645][ T327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 34.251723][ T327] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 34.257661][ T327] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 34.277314][ T327] RSP: 0018:ffffc9000128faa8 EFLAGS: 00010202 [ 34.283429][ T327] RAX: 1ffffd1ffff810ea RBX: ffffc900013c98e8 RCX: ffffffff816d8c29 [ 34.291397][ T327] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08750 [ 34.299385][ T327] RBP: ffffc9000128fb10 R08: ffffe8ffffc08757 R09: 1ffffd1ffff810ea [ 34.307378][ T327] R10: dffffc0000000000 R11: fffff91ffff810eb R12: dffffc0000000000 [ 34.315364][ T327] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08750 [ 34.323364][ T327] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 34.332282][ T327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.338880][ T327] CR2: 00007fe5644b7110 CR3: 0000000103352000 CR4: 00000000003526b0 [ 34.346872][ T327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.354858][ T327] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.362854][ T327] Call Trace: [ 34.366126][ T327] [ 34.369075][ T327] kvm_put_kvm+0x1100/0x12b0 [ 34.373688][ T327] ? __cfi_kvm_vm_release+0x10/0x10 [ 34.378896][ T327] kvm_vm_release+0x47/0x70 [ 34.383426][ T327] __fput+0x1fb/0xa00 [ 34.387424][ T327] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 34.392993][ T327] ____fput+0x20/0x30 [ 34.396992][ T327] task_work_run+0x1e3/0x250 [ 34.401584][ T327] ? __cfi_task_work_run+0x10/0x10 [ 34.406724][ T327] ? __kasan_check_write+0x18/0x20 [ 34.411847][ T327] do_exit+0x9b4/0x2630 [ 34.416032][ T327] ? __cfi_do_exit+0x10/0x10 [ 34.420640][ T327] ? __kasan_check_write+0x18/0x20 [ 34.425783][ T327] ? _raw_spin_lock_irq+0x8d/0x120 [ 34.430909][ T327] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 34.436478][ T327] ? zap_other_threads+0x334/0x370 [ 34.441599][ T327] do_group_exit+0x22a/0x300 [ 34.446226][ T327] __x64_sys_exit_group+0x43/0x50 [ 34.451273][ T327] x64_sys_call+0x2ed2/0x2ee0 [ 34.456011][ T327] do_syscall_64+0x58/0xf0 [ 34.460457][ T327] ? clear_bhb_loop+0x50/0xa0 [ 34.465163][ T327] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 34.471078][ T327] RIP: 0033:0x7fe56443bb89 [ 34.475522][ T327] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 34.482549][ T327] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 34.490985][ T327] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 328 attached [pid 328] set_robust_list(0x55556da7d660, 24) = 0 [pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55556da7d650) = 328 [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 [pid 328] write(1, "executing program\n", 18executing program ) = 18 [pid 328] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 328] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 328] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 328] exit_group(0) = ? [ 34.498988][ T327] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 34.506986][ T327] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 34.515003][ T327] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 34.523007][ T327] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 34.531027][ T327] [ 34.534073][ T327] ---[ end trace 0000000000000000 ]--- [ 34.563334][ T328] ------------[ cut here ]------------ [ 34.568809][ T328] WARNING: CPU: 1 PID: 328 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 34.578580][ T328] Modules linked in: [ 34.582480][ T328] CPU: 1 UID: 0 PID: 328 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 34.597776][ T328] Tainted: [W]=WARN [ 34.601580][ T328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 34.611650][ T328] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 34.617583][ T328] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 34.637254][ T328] RSP: 0018:ffffc9000128faa8 EFLAGS: 00010202 [ 34.643476][ T328] RAX: 1ffffd1ffff8111a RBX: ffffc900013d48e8 RCX: ffffffff816d8c29 [ 34.651450][ T328] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc088d0 [ 34.659448][ T328] RBP: ffffc9000128fb10 R08: ffffe8ffffc088d7 R09: 1ffffd1ffff8111a [ 34.667457][ T328] R10: dffffc0000000000 R11: fffff91ffff8111b R12: dffffc0000000000 [ 34.675470][ T328] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc088d0 [ 34.683472][ T328] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 34.692411][ T328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.699015][ T328] CR2: 00007fe5644b7110 CR3: 0000000103352000 CR4: 00000000003526b0 [ 34.707031][ T328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.715064][ T328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.723065][ T328] Call Trace: [ 34.726358][ T328] [ 34.729289][ T328] kvm_put_kvm+0x1100/0x12b0 [ 34.733902][ T328] ? __cfi_kvm_vm_release+0x10/0x10 [ 34.739107][ T328] kvm_vm_release+0x47/0x70 [ 34.743642][ T328] __fput+0x1fb/0xa00 [ 34.747630][ T328] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 34.753215][ T328] ____fput+0x20/0x30 [ 34.757222][ T328] task_work_run+0x1e3/0x250 [ 34.761800][ T328] ? __cfi_task_work_run+0x10/0x10 [ 34.766922][ T328] ? __kasan_check_write+0x18/0x20 [ 34.772065][ T328] do_exit+0x9b4/0x2630 [ 34.776260][ T328] ? __cfi_do_exit+0x10/0x10 [ 34.780874][ T328] ? __kasan_check_write+0x18/0x20 [ 34.786016][ T328] ? _raw_spin_lock_irq+0x8d/0x120 [ 34.791144][ T328] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 34.796702][ T328] ? zap_other_threads+0x334/0x370 [ 34.801823][ T328] do_group_exit+0x22a/0x300 [ 34.806462][ T328] __x64_sys_exit_group+0x43/0x50 [ 34.811499][ T328] x64_sys_call+0x2ed2/0x2ee0 [ 34.816217][ T328] do_syscall_64+0x58/0xf0 [ 34.820666][ T328] ? clear_bhb_loop+0x50/0xa0 [ 34.825372][ T328] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 34.831290][ T328] RIP: 0033:0x7fe56443bb89 [ 34.835762][ T328] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 34.842822][ T328] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 34.851235][ T328] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 329 attached , child_tidptr=0x55556da7d650) = 329 [pid 329] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 329] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 329] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 329] exit_group(0) = ? [ 34.859256][ T328] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 34.867279][ T328] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 34.875285][ T328] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 34.883289][ T328] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 34.891284][ T328] [ 34.894362][ T328] ---[ end trace 0000000000000000 ]--- [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 330 attached , child_tidptr=0x55556da7d650) = 330 [pid 330] set_robust_list(0x55556da7d660, 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 [pid 330] write(1, "executing program\n", 18executing program ) = 18 [pid 330] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 330] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 330] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 330] exit_group(0) = ? [ 34.983191][ T330] ------------[ cut here ]------------ [ 34.988658][ T330] WARNING: CPU: 1 PID: 330 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 34.998419][ T330] Modules linked in: [ 35.002331][ T330] CPU: 1 UID: 0 PID: 330 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 35.017662][ T330] Tainted: [W]=WARN [ 35.021474][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 35.031593][ T330] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 35.037536][ T330] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 35.057199][ T330] RSP: 0018:ffffc90001387aa8 EFLAGS: 00010202 [ 35.063303][ T330] RAX: 1ffffd1ffff8114a RBX: ffffc900013ea8e8 RCX: ffffffff816d8c29 [ 35.071284][ T330] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08a50 [ 35.079276][ T330] RBP: ffffc90001387b10 R08: ffffe8ffffc08a57 R09: 1ffffd1ffff8114a [ 35.087294][ T330] R10: dffffc0000000000 R11: fffff91ffff8114b R12: dffffc0000000000 [ 35.095295][ T330] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08a50 [ 35.103315][ T330] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.112248][ T330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.118878][ T330] CR2: 000055556da7d650 CR3: 0000000125b6e000 CR4: 00000000003526b0 [ 35.126925][ T330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.134934][ T330] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.142968][ T330] Call Trace: [ 35.146257][ T330] [ 35.149185][ T330] kvm_put_kvm+0x1100/0x12b0 [ 35.153799][ T330] ? __cfi_kvm_vm_release+0x10/0x10 [ 35.159013][ T330] kvm_vm_release+0x47/0x70 [ 35.163533][ T330] __fput+0x1fb/0xa00 [ 35.167538][ T330] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 35.173103][ T330] ____fput+0x20/0x30 [ 35.177097][ T330] task_work_run+0x1e3/0x250 [ 35.181717][ T330] ? __cfi_task_work_run+0x10/0x10 [ 35.186853][ T330] ? __kasan_check_write+0x18/0x20 [ 35.191980][ T330] do_exit+0x9b4/0x2630 [ 35.196157][ T330] ? __cfi_do_exit+0x10/0x10 [ 35.200775][ T330] ? __kasan_check_write+0x18/0x20 [ 35.205912][ T330] ? _raw_spin_lock_irq+0x8d/0x120 [ 35.211043][ T330] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 35.216614][ T330] ? zap_other_threads+0x334/0x370 [ 35.221742][ T330] do_group_exit+0x22a/0x300 [ 35.226358][ T330] __x64_sys_exit_group+0x43/0x50 [ 35.231400][ T330] x64_sys_call+0x2ed2/0x2ee0 [ 35.236102][ T330] do_syscall_64+0x58/0xf0 [ 35.240532][ T330] ? clear_bhb_loop+0x50/0xa0 [ 35.245237][ T330] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 35.251153][ T330] RIP: 0033:0x7fe56443bb89 [ 35.255605][ T330] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 35.262627][ T330] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.271075][ T330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 331 ./strace-static-x86_64: Process 331 attached [pid 331] set_robust_list(0x55556da7d660, 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 [pid 331] write(1, "executing program\n", 18executing program ) = 18 [pid 331] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 331] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 331] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 331] exit_group(0) = ? [ 35.279096][ T330] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 35.287119][ T330] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 35.295147][ T330] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 35.303155][ T330] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 35.311139][ T330] [ 35.314170][ T330] ---[ end trace 0000000000000000 ]--- [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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 332 ./strace-static-x86_64: Process 332 attached [pid 332] set_robust_list(0x55556da7d660, 24) = 0 [pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 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 executing program [pid 332] write(1, "executing program\n", 18) = 18 [pid 332] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 332] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 332] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 332] exit_group(0) = ? [ 35.413377][ T332] ------------[ cut here ]------------ [ 35.418856][ T332] WARNING: CPU: 1 PID: 332 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 35.428610][ T332] Modules linked in: [ 35.432522][ T332] CPU: 1 UID: 0 PID: 332 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 35.447900][ T332] Tainted: [W]=WARN [ 35.451702][ T332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 35.461771][ T332] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 35.467700][ T332] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 35.487451][ T332] RSP: 0018:ffffc90001387aa8 EFLAGS: 00010202 [ 35.493550][ T332] RAX: 1ffffd1ffff8117a RBX: ffffc900014008e8 RCX: ffffffff816d8c29 [ 35.501520][ T332] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08bd0 [ 35.509509][ T332] RBP: ffffc90001387b10 R08: ffffe8ffffc08bd7 R09: 1ffffd1ffff8117a [ 35.517508][ T332] R10: dffffc0000000000 R11: fffff91ffff8117b R12: dffffc0000000000 [ 35.525501][ T332] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08bd0 [ 35.533501][ T332] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.542451][ T332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.549056][ T332] CR2: 00007fe56443bb03 CR3: 0000000125b6e000 CR4: 00000000003526b0 [ 35.557085][ T332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.565077][ T332] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.573078][ T332] Call Trace: [ 35.576348][ T332] [ 35.579268][ T332] kvm_put_kvm+0x1100/0x12b0 [ 35.583894][ T332] ? __cfi_kvm_vm_release+0x10/0x10 [ 35.589150][ T332] kvm_vm_release+0x47/0x70 [ 35.593678][ T332] __fput+0x1fb/0xa00 [ 35.597677][ T332] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 35.603259][ T332] ____fput+0x20/0x30 [ 35.607255][ T332] task_work_run+0x1e3/0x250 [ 35.611842][ T332] ? __cfi_task_work_run+0x10/0x10 [ 35.616976][ T332] ? __kasan_check_write+0x18/0x20 [ 35.622107][ T332] do_exit+0x9b4/0x2630 [ 35.626286][ T332] ? __cfi_do_exit+0x10/0x10 [ 35.630893][ T332] ? __kasan_check_write+0x18/0x20 [ 35.636041][ T332] ? _raw_spin_lock_irq+0x8d/0x120 [ 35.641171][ T332] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 35.646739][ T332] ? zap_other_threads+0x334/0x370 [ 35.651878][ T332] do_group_exit+0x22a/0x300 [ 35.656490][ T332] __x64_sys_exit_group+0x43/0x50 [ 35.661643][ T332] x64_sys_call+0x2ed2/0x2ee0 [ 35.666350][ T332] do_syscall_64+0x58/0xf0 [ 35.670780][ T332] ? clear_bhb_loop+0x50/0xa0 [ 35.675501][ T332] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 35.681448][ T332] RIP: 0033:0x7fe56443bb89 [ 35.685887][ T332] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 35.692938][ T332] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.701366][ T332] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 333 ./strace-static-x86_64: Process 333 attached [pid 333] set_robust_list(0x55556da7d660, 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", 18executing program ) = 18 [pid 333] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 333] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 333] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 333] exit_group(0) = ? [ 35.709361][ T332] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 35.717356][ T332] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 35.725351][ T332] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 35.733373][ T332] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 35.741350][ T332] [ 35.744381][ T332] ---[ end trace 0000000000000000 ]--- [ 35.773331][ T333] ------------[ cut here ]------------ [ 35.778788][ T333] WARNING: CPU: 1 PID: 333 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 35.788538][ T333] Modules linked in: [ 35.792442][ T333] CPU: 1 UID: 0 PID: 333 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 35.807735][ T333] Tainted: [W]=WARN [ 35.811537][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 35.821611][ T333] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 35.827539][ T333] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 35.847176][ T333] RSP: 0018:ffffc900012ffaa8 EFLAGS: 00010202 [ 35.853278][ T333] RAX: 1ffffd1ffff811aa RBX: ffffc9000140b8e8 RCX: ffffffff816d8c29 [ 35.861260][ T333] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08d50 [ 35.869249][ T333] RBP: ffffc900012ffb10 R08: ffffe8ffffc08d57 R09: 1ffffd1ffff811aa [ 35.877265][ T333] R10: dffffc0000000000 R11: fffff91ffff811ab R12: dffffc0000000000 [ 35.885266][ T333] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08d50 [ 35.893282][ T333] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 35.902323][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.908926][ T333] CR2: 000055556da7d650 CR3: 0000000125b6e000 CR4: 00000000003526b0 [ 35.916965][ T333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.924970][ T333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.932982][ T333] Call Trace: [ 35.936261][ T333] [ 35.939181][ T333] kvm_put_kvm+0x1100/0x12b0 [ 35.943796][ T333] ? __cfi_kvm_vm_release+0x10/0x10 [ 35.949029][ T333] kvm_vm_release+0x47/0x70 [ 35.953583][ T333] __fput+0x1fb/0xa00 [ 35.957576][ T333] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 35.963137][ T333] ____fput+0x20/0x30 [ 35.967125][ T333] task_work_run+0x1e3/0x250 [ 35.971705][ T333] ? __cfi_task_work_run+0x10/0x10 [ 35.976881][ T333] ? __kasan_check_write+0x18/0x20 [ 35.982006][ T333] do_exit+0x9b4/0x2630 [ 35.986202][ T333] ? __cfi_do_exit+0x10/0x10 [ 35.990803][ T333] ? __kasan_check_write+0x18/0x20 [ 35.996055][ T333] ? _raw_spin_lock_irq+0x8d/0x120 [ 36.001219][ T333] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.006793][ T333] ? zap_other_threads+0x334/0x370 [ 36.011912][ T333] do_group_exit+0x22a/0x300 [ 36.016528][ T333] __x64_sys_exit_group+0x43/0x50 [ 36.021575][ T333] x64_sys_call+0x2ed2/0x2ee0 [ 36.026272][ T333] do_syscall_64+0x58/0xf0 [ 36.030692][ T333] ? clear_bhb_loop+0x50/0xa0 [ 36.035389][ T333] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 36.041301][ T333] RIP: 0033:0x7fe56443bb89 [ 36.045732][ T333] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 36.052808][ T333] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 36.061258][ T333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 334 ./strace-static-x86_64: Process 334 attached [pid 334] set_robust_list(0x55556da7d660, 24) = 0 [pid 334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 334] setpgid(0, 0) = 0 [pid 334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 334] write(3, "1000", 4) = 4 executing program [pid 334] close(3) = 0 [pid 334] write(1, "executing program\n", 18) = 18 [pid 334] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 334] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 334] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 334] exit_group(0) = ? [ 36.069259][ T333] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 36.077276][ T333] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 36.085280][ T333] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 36.093284][ T333] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 36.101265][ T333] [ 36.104303][ T333] ---[ end trace 0000000000000000 ]--- [ 36.143334][ T334] ------------[ cut here ]------------ [ 36.148796][ T334] WARNING: CPU: 1 PID: 334 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 36.158542][ T334] Modules linked in: [ 36.162447][ T334] CPU: 1 UID: 0 PID: 334 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 36.177739][ T334] Tainted: [W]=WARN [ 36.181546][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 36.191616][ T334] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 36.197552][ T334] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 36.217230][ T334] RSP: 0018:ffffc9000128faa8 EFLAGS: 00010202 [ 36.223322][ T334] RAX: 1ffffd1ffff811da RBX: ffffc900014168e8 RCX: ffffffff816d8c29 [ 36.231285][ T334] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08ed0 [ 36.239271][ T334] RBP: ffffc9000128fb10 R08: ffffe8ffffc08ed7 R09: 1ffffd1ffff811da [ 36.247286][ T334] R10: dffffc0000000000 R11: fffff91ffff811db R12: dffffc0000000000 [ 36.255275][ T334] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08ed0 [ 36.263272][ T334] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 36.272194][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.278826][ T334] CR2: 000055556da7d650 CR3: 0000000125b6e000 CR4: 00000000003526b0 [ 36.286822][ T334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.294801][ T334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.302980][ T334] Call Trace: [ 36.306265][ T334] [ 36.309191][ T334] kvm_put_kvm+0x1100/0x12b0 [ 36.313812][ T334] ? __cfi_kvm_vm_release+0x10/0x10 [ 36.319020][ T334] kvm_vm_release+0x47/0x70 [ 36.323561][ T334] __fput+0x1fb/0xa00 [ 36.327556][ T334] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.333133][ T334] ____fput+0x20/0x30 [ 36.337124][ T334] task_work_run+0x1e3/0x250 [ 36.341706][ T334] ? __cfi_task_work_run+0x10/0x10 [ 36.346844][ T334] ? __kasan_check_write+0x18/0x20 [ 36.351969][ T334] do_exit+0x9b4/0x2630 [ 36.356148][ T334] ? __cfi_do_exit+0x10/0x10 [ 36.360770][ T334] ? __kasan_check_write+0x18/0x20 [ 36.365914][ T334] ? _raw_spin_lock_irq+0x8d/0x120 [ 36.371155][ T334] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.376729][ T334] ? zap_other_threads+0x334/0x370 [ 36.381846][ T334] do_group_exit+0x22a/0x300 [ 36.386452][ T334] __x64_sys_exit_group+0x43/0x50 [ 36.391490][ T334] x64_sys_call+0x2ed2/0x2ee0 [ 36.396202][ T334] do_syscall_64+0x58/0xf0 [ 36.400653][ T334] ? clear_bhb_loop+0x50/0xa0 [ 36.405358][ T334] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 36.411271][ T334] RIP: 0033:0x7fe56443bb89 [ 36.415722][ T334] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 36.422764][ T334] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 36.431270][ T334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=0x55556da7d650) = 335 ./strace-static-x86_64: Process 335 attached [pid 335] set_robust_list(0x55556da7d660, 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 [pid 335] write(1, "executing program\n", 18executing program ) = 18 [pid 335] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 335] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 335] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 335] exit_group(0) = ? [ 36.439278][ T334] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 36.447282][ T334] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 36.455297][ T334] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 36.463296][ T334] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 36.471264][ T334] [ 36.474295][ T334] ---[ end trace 0000000000000000 ]--- [ 36.513269][ T335] ------------[ cut here ]------------ [ 36.518731][ T335] WARNING: CPU: 1 PID: 335 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 36.528479][ T335] Modules linked in: [ 36.532382][ T335] CPU: 1 UID: 0 PID: 335 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 36.547681][ T335] Tainted: [W]=WARN [ 36.551499][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 36.561567][ T335] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 36.567495][ T335] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 36.587127][ T335] RSP: 0018:ffffc90001387aa8 EFLAGS: 00010202 [ 36.593229][ T335] RAX: 1ffffd1ffff8120a RBX: ffffc900014218e8 RCX: ffffffff816d8c29 [ 36.601209][ T335] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc09050 [ 36.609211][ T335] RBP: ffffc90001387b10 R08: ffffe8ffffc09057 R09: 1ffffd1ffff8120a [ 36.617201][ T335] R10: dffffc0000000000 R11: fffff91ffff8120b R12: dffffc0000000000 [ 36.625207][ T335] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc09050 [ 36.633212][ T335] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 36.642135][ T335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.648735][ T335] CR2: 00007fe5644b7110 CR3: 0000000125b6e000 CR4: 00000000003526b0 [ 36.656731][ T335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.664736][ T335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.672829][ T335] Call Trace: [ 36.676121][ T335] [ 36.679058][ T335] kvm_put_kvm+0x1100/0x12b0 [ 36.683675][ T335] ? __cfi_kvm_vm_release+0x10/0x10 [ 36.688895][ T335] kvm_vm_release+0x47/0x70 [ 36.693426][ T335] __fput+0x1fb/0xa00 [ 36.697681][ T335] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.703257][ T335] ____fput+0x20/0x30 [ 36.707254][ T335] task_work_run+0x1e3/0x250 [ 36.711837][ T335] ? __cfi_task_work_run+0x10/0x10 [ 36.716960][ T335] ? __kasan_check_write+0x18/0x20 [ 36.722081][ T335] do_exit+0x9b4/0x2630 [ 36.726270][ T335] ? __cfi_do_exit+0x10/0x10 [ 36.730914][ T335] ? __kasan_check_write+0x18/0x20 [ 36.736049][ T335] ? _raw_spin_lock_irq+0x8d/0x120 [ 36.741174][ T335] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 36.746740][ T335] ? zap_other_threads+0x334/0x370 [ 36.751877][ T335] do_group_exit+0x22a/0x300 [ 36.756509][ T335] __x64_sys_exit_group+0x43/0x50 [ 36.761542][ T335] x64_sys_call+0x2ed2/0x2ee0 [ 36.766246][ T335] do_syscall_64+0x58/0xf0 [ 36.770678][ T335] ? clear_bhb_loop+0x50/0xa0 [ 36.775383][ T335] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 36.781296][ T335] RIP: 0033:0x7fe56443bb89 [ 36.785734][ T335] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 36.792792][ T335] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 36.801234][ T335] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=0x55556da7d650) = 336 ./strace-static-x86_64: Process 336 attached [pid 336] set_robust_list(0x55556da7d660, 24) = 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 executing program [pid 336] write(1, "executing program\n", 18) = 18 [pid 336] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 336] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 336] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 336] exit_group(0) = ? [ 36.809227][ T335] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 36.817225][ T335] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 36.825315][ T335] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 36.833316][ T335] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 36.841285][ T335] [ 36.844324][ T335] ---[ end trace 0000000000000000 ]--- [ 36.883415][ T336] ------------[ cut here ]------------ [ 36.888901][ T336] WARNING: CPU: 1 PID: 336 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 36.898732][ T336] Modules linked in: [ 36.902669][ T336] CPU: 1 UID: 0 PID: 336 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 36.917979][ T336] Tainted: [W]=WARN [ 36.921787][ T336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 36.931854][ T336] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 36.937778][ T336] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 36.957396][ T336] RSP: 0018:ffffc9000128faa8 EFLAGS: 00010202 [ 36.963486][ T336] RAX: 1ffffd1ffff8123a RBX: ffffc9000142c8e8 RCX: ffffffff816d8c29 [ 36.971461][ T336] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc091d0 [ 36.979453][ T336] RBP: ffffc9000128fb10 R08: ffffe8ffffc091d7 R09: 1ffffd1ffff8123a [ 36.987442][ T336] R10: dffffc0000000000 R11: fffff91ffff8123b R12: dffffc0000000000 [ 36.995432][ T336] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc091d0 [ 37.003437][ T336] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 37.012361][ T336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.018972][ T336] CR2: 00007fe5644b7110 CR3: 0000000103352000 CR4: 00000000003526b0 [ 37.026964][ T336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.034960][ T336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.042997][ T336] Call Trace: [ 37.046277][ T336] [ 37.049197][ T336] kvm_put_kvm+0x1100/0x12b0 [ 37.053807][ T336] ? __cfi_kvm_vm_release+0x10/0x10 [ 37.059020][ T336] kvm_vm_release+0x47/0x70 [ 37.063540][ T336] __fput+0x1fb/0xa00 [ 37.067537][ T336] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 37.073120][ T336] ____fput+0x20/0x30 [ 37.077203][ T336] task_work_run+0x1e3/0x250 [ 37.081790][ T336] ? __cfi_task_work_run+0x10/0x10 [ 37.086928][ T336] ? __kasan_check_write+0x18/0x20 [ 37.092064][ T336] do_exit+0x9b4/0x2630 [ 37.096332][ T336] ? __cfi_do_exit+0x10/0x10 [ 37.100946][ T336] ? __kasan_check_write+0x18/0x20 [ 37.106081][ T336] ? _raw_spin_lock_irq+0x8d/0x120 [ 37.111226][ T336] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 37.116791][ T336] ? zap_other_threads+0x334/0x370 [ 37.121910][ T336] do_group_exit+0x22a/0x300 [ 37.126524][ T336] __x64_sys_exit_group+0x43/0x50 [ 37.131574][ T336] x64_sys_call+0x2ed2/0x2ee0 [ 37.136304][ T336] do_syscall_64+0x58/0xf0 [ 37.140740][ T336] ? clear_bhb_loop+0x50/0xa0 [ 37.145455][ T336] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 37.151371][ T336] RIP: 0033:0x7fe56443bb89 [ 37.155814][ T336] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 37.162857][ T336] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.171276][ T336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=32} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 337 ./strace-static-x86_64: Process 337 attached [pid 337] set_robust_list(0x55556da7d660, 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 executing program [pid 337] write(1, "executing program\n", 18) = 18 [pid 337] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 337] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 337] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 337] exit_group(0) = ? [ 37.179256][ T336] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 37.187246][ T336] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 37.195239][ T336] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 37.203242][ T336] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 37.211224][ T336] [ 37.214263][ T336] ---[ end trace 0000000000000000 ]--- [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=0x55556da7d650) = 338 ./strace-static-x86_64: Process 338 attached [pid 338] set_robust_list(0x55556da7d660, 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(3executing program ) = 0 [pid 338] write(1, "executing program\n", 18) = 18 [pid 338] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 338] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 338] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 338] exit_group(0) = ? [ 37.303178][ T338] ------------[ cut here ]------------ [ 37.308639][ T338] WARNING: CPU: 1 PID: 338 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 [ 37.318384][ T338] Modules linked in: [ 37.322282][ T338] CPU: 1 UID: 0 PID: 338 Comm: syz-executor358 Tainted: G W 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 37.337596][ T338] Tainted: [W]=WARN [ 37.341398][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 37.351462][ T338] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 [ 37.357390][ T338] Code: 00 48 8b 5d a0 74 08 48 89 df e8 a2 18 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 98 7f 1a 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0 [ 37.377037][ T338] RSP: 0018:ffffc9000128faa8 EFLAGS: 00010202 [ 37.383127][ T338] RAX: 1ffffd1ffff8126a RBX: ffffc900014428e8 RCX: ffffffff816d8c29 [ 37.391096][ T338] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc09350 [ 37.399100][ T338] RBP: ffffc9000128fb10 R08: ffffe8ffffc09357 R09: 1ffffd1ffff8126a [ 37.407095][ T338] R10: dffffc0000000000 R11: fffff91ffff8126b R12: dffffc0000000000 [ 37.415093][ T338] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc09350 [ 37.423090][ T338] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 37.432011][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.438628][ T338] CR2: 000055556da7d650 CR3: 0000000103352000 CR4: 00000000003526b0 [ 37.446624][ T338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.454614][ T338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.462596][ T338] Call Trace: [ 37.465913][ T338] [ 37.468857][ T338] kvm_put_kvm+0x1100/0x12b0 [ 37.473472][ T338] ? __cfi_kvm_vm_release+0x10/0x10 [ 37.478690][ T338] kvm_vm_release+0x47/0x70 [ 37.483210][ T338] __fput+0x1fb/0xa00 [ 37.487200][ T338] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 37.492773][ T338] ____fput+0x20/0x30 [ 37.496767][ T338] task_work_run+0x1e3/0x250 [ 37.501352][ T338] ? __cfi_task_work_run+0x10/0x10 [ 37.506483][ T338] ? __kasan_check_write+0x18/0x20 [ 37.511697][ T338] do_exit+0x9b4/0x2630 [ 37.515882][ T338] ? __cfi_do_exit+0x10/0x10 [ 37.520497][ T338] ? __kasan_check_write+0x18/0x20 [ 37.525649][ T338] ? _raw_spin_lock_irq+0x8d/0x120 [ 37.530789][ T338] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 37.536356][ T338] ? zap_other_threads+0x334/0x370 [ 37.541490][ T338] do_group_exit+0x22a/0x300 [ 37.546106][ T338] __x64_sys_exit_group+0x43/0x50 [ 37.551251][ T338] x64_sys_call+0x2ed2/0x2ee0 [ 37.555970][ T338] do_syscall_64+0x58/0xf0 [ 37.560404][ T338] ? clear_bhb_loop+0x50/0xa0 [ 37.565112][ T338] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 37.571030][ T338] RIP: 0033:0x7fe56443bb89 [ 37.575522][ T338] Code: Unable to access opcode bytes at 0x7fe56443bb5f. [ 37.582837][ T338] RSP: 002b:00007ffd6739b528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.591271][ T338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe56443bb89 [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=30} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556da7d650) = 339 ./strace-static-x86_64: Process 339 attached [pid 339] set_robust_list(0x55556da7d660, 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_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 339] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 339] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 339] exit_group(0) = ? [ 37.599265][ T338] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 37.607259][ T338] RBP: 00007fe5644b62b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 37.615249][ T338] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe5644b62b0 [ 37.623244][ T338] R13: 0000000000000000 R14: 00007fe5644b6d00 R15: 00007fe56440cde0 [ 37.631212][ T338] [ 37.634255][ 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=0x55556da7d650) = 340 ./strace-static-x86_64: Process 340 attached [pid 340] set_robust_list(0x55556da7d660, 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 executing program [pid 340] close(3) = 0 [pid 340] write(1, "executing program\n", 18) = 18 [pid 340] openat(AT_FDCWD, "/dev/kvm", O_RDWR|O_NOCTTY|O_NOFOLLOW|FASYNC) = 3 [pid 340] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 340] ioctl(4, KVM_CREATE_IRQCHIP, 0) = 0 [pid 340] exit_group(0) = ?