./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1213354284
<...>
ess permissive=1
[ 14.870976][ T36] audit: type=1400 audit(1755373595.760:63): avc: denied { siginh } for pid=231 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts.
execve("./syz-executor1213354284", ["./syz-executor1213354284"], 0x7ffc4bdb52c0 /* 10 vars */) = 0
brk(NULL) = 0x55557ecb3000
brk(0x55557ecb3d00) = 0x55557ecb3d00
arch_prctl(ARCH_SET_FS, 0x55557ecb3380) = 0
set_tid_address(0x55557ecb3650) = 296
set_robust_list(0x55557ecb3660, 24) = 0
rseq(0x55557ecb3ca0, 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-executor1213354284", 4096) = 28
getrandom("\x81\xf1\xed\x4a\x22\x9a\x35\xf6", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557ecb3d00
brk(0x55557ecd4d00) = 0x55557ecd4d00
brk(0x55557ecd5000) = 0x55557ecd5000
mprotect(0x7fe2c5a4b000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0executing program
) = 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./strace-static-x86_64: Process 297 attached
, child_tidptr=0x55557ecb3650) = 297
[pid 297] set_robust_list(0x55557ecb3660, 24) = 0
[pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 297] setpgid(0, 0) = 0
[pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 297] write(3, "1000", 4) = 4
[pid 297] close(3) = 0
[pid 297] write(1, "executing program\n", 18) = 18
[pid 297] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[ 24.363622][ T36] audit: type=1400 audit(1755373605.260:64): avc: denied { execmem } for pid=296 comm="syz-executor121" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 24.366299][ T297] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
[pid 297] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 297] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 297] exit_group(0) = ?
[ 24.383695][ T36] audit: type=1400 audit(1755373605.260:65): avc: denied { read } for pid=297 comm="syz-executor121" 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
[ 24.423592][ T36] audit: type=1400 audit(1755373605.260:66): avc: denied { open } for pid=297 comm="syz-executor121" 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 297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 299 attached
, child_tidptr=0x55557ecb3650) = 299
[pid 299] set_robust_list(0x55557ecb3660, 24) = 0
[pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 299] setpgid(0, 0) = 0
[pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 299] write(3, "1000", 4) = 4
[pid 299] close(3) = 0
[pid 299] write(1, "executing program\n", 18executing program
) = 18
[pid 299] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 299] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 299] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 299] exit_group(0) = ?
[ 24.447001][ T36] audit: type=1400 audit(1755373605.260:67): avc: denied { ioctl } for pid=297 comm="syz-executor121" path="/dev/kvm" dev="devtmpfs" ino=13 ioctlcmd=0xae01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1
[pid 299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 300
./strace-static-x86_64: Process 300 attached
[pid 300] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 300] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 300] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 300] exit_group(0) = ?
[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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 301 attached
, child_tidptr=0x55557ecb3650) = 301
[pid 301] set_robust_list(0x55557ecb3660, 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(3executing program
) = 0
[pid 301] write(1, "executing program\n", 18) = 18
[pid 301] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 301] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 301] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 301] exit_group(0) = ?
[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=0} ---
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=0x55557ecb3650) = 302
[pid 302] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 302] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 302] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 302] exit_group(0) = ?
[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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 303 attached
, child_tidptr=0x55557ecb3650) = 303
[pid 303] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 303] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 303] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 303] exit_group(0) = ?
[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=0} ---
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=0x55557ecb3650) = 304
[pid 304] set_robust_list(0x55557ecb3660, 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
[pid 304] write(1, "executing program\n", 18executing program
) = 18
[pid 304] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 304] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 304] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 304] exit_group(0) = ?
[ 24.917647][ T304] ------------[ cut here ]------------
[ 24.923233][ T304] WARNING: CPU: 0 PID: 304 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 24.933113][ T304] Modules linked in:
[ 24.937127][ T304] CPU: 0 UID: 0 PID: 304 Comm: syz-executor121 Not tainted 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 24.951075][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 24.961187][ T304] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 24.967110][ T304] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 24.986785][ T304] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 24.993037][ T304] RAX: 1ffffd1ffff80e22 RBX: ffffc900012a18e8 RCX: ffffffff816dc249
[ 25.001046][ T304] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07110
[ 25.009158][ T304] RBP: ffffc9000124fb10 R08: ffffe8ffffc07117 R09: 1ffffd1ffff80e22
[ 25.017140][ T304] R10: dffffc0000000000 R11: fffff91ffff80e23 R12: dffffc0000000000
[ 25.025162][ T304] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07110
[ 25.033179][ T304] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 25.042174][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 25.048873][ T304] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 25.056863][ T304] Call Trace:
[ 25.060164][ T304]
[ 25.063122][ T304] kvm_put_kvm+0x1100/0x12b0
[ 25.067762][ T304] ? __cfi_kvm_vm_release+0x10/0x10
[ 25.073016][ T304] kvm_vm_release+0x47/0x70
[ 25.077550][ T304] __fput+0x1fb/0xa00
[ 25.081568][ T304] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 25.087631][ T304] ____fput+0x20/0x30
[ 25.091634][ T304] task_work_run+0x1e0/0x250
[ 25.096392][ T304] ? __cfi_task_work_run+0x10/0x10
[ 25.101551][ T304] ? __kasan_check_write+0x18/0x20
[ 25.106681][ T304] do_exit+0x9bc/0x2630
[ 25.110877][ T304] ? __cfi_do_exit+0x10/0x10
[ 25.115578][ T304] ? __kasan_check_write+0x18/0x20
[ 25.120850][ T304] ? _raw_spin_lock_irq+0x8d/0x120
[ 25.126028][ T304] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 25.131704][ T304] ? zap_other_threads+0x334/0x370
[ 25.136850][ T304] do_group_exit+0x22a/0x300
[ 25.141483][ T304] __x64_sys_exit_group+0x43/0x50
[ 25.146528][ T304] x64_sys_call+0x2ed2/0x2ee0
[ 25.151240][ T304] do_syscall_64+0x58/0xf0
[ 25.155676][ T304] ? clear_bhb_loop+0x50/0xa0
[ 25.160408][ T304] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 25.166337][ T304] RIP: 0033:0x7fe2c59d6bc9
[ 25.170801][ T304] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 25.177919][ T304] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 25.186364][ T304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 25.194390][ T304] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 25.202405][ T304] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[ 25.210527][ T304] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[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=28} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 305
./strace-static-x86_64: Process 305 attached
executing program
[pid 305] set_robust_list(0x55557ecb3660, 24) = 0
[pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 305] setpgid(0, 0) = 0
[pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 305] write(3, "1000", 4) = 4
[pid 305] close(3) = 0
[pid 305] write(1, "executing program\n", 18) = 18
[pid 305] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 305] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 305] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 305] exit_group(0) = ?
[ 25.218585][ T304] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 25.226849][ T304]
[ 25.229986][ T304] ---[ end trace 0000000000000000 ]---
[pid 305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 306 attached
, child_tidptr=0x55557ecb3650) = 306
[pid 306] set_robust_list(0x55557ecb3660, 24) = 0
[pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 306] setpgid(0, 0) = 0
[pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 306] write(3, "1000", 4) = 4
[pid 306] close(3) = 0
[pid 306] write(1, "executing program\n", 18executing program
) = 18
[pid 306] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 306] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 306] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 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=0x55557ecb3650) = 307
./strace-static-x86_64: Process 307 attached
[pid 307] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 307] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 307] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 307] exit_group(0) = ?
[pid 307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 308
./strace-static-x86_64: Process 308 attached
[pid 308] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 308] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 308] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 308] exit_group(0) = ?
[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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 309
./strace-static-x86_64: Process 309 attached
[pid 309] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 309] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 309] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 309] exit_group(0) = ?
[pid 309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 310 attached
, child_tidptr=0x55557ecb3650) = 310
[pid 310] set_robust_list(0x55557ecb3660, 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
[pid 310] write(1, "executing program\n", 18executing program
) = 18
[pid 310] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 310] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 310] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 310] exit_group(0) = ?
[pid 310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 311 attached
, child_tidptr=0x55557ecb3650) = 311
[pid 311] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 311] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 311] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 311] exit_group(0) = ?
[pid 311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 312
./strace-static-x86_64: Process 312 attached
[pid 312] set_robust_list(0x55557ecb3660, 24) = 0
[pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 312] setpgid(0, 0) = 0
[pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 312] write(3, "1000", 4) = 4
[pid 312] close(3) = 0
executing program
[pid 312] write(1, "executing program\n", 18) = 18
[pid 312] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 312] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 312] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 312] exit_group(0) = ?
[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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 313 attached
, child_tidptr=0x55557ecb3650) = 313
[pid 313] set_robust_list(0x55557ecb3660, 24) = 0
[pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 313] setpgid(0, 0) = 0
[pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 313] write(3, "1000", 4) = 4
[pid 313] close(3) = 0
executing program
[pid 313] write(1, "executing program\n", 18) = 18
[pid 313] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 313] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 313] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 313] exit_group(0) = ?
[ 25.727919][ T313] ------------[ cut here ]------------
[ 25.733401][ T313] WARNING: CPU: 0 PID: 313 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 25.743242][ T313] Modules linked in:
[ 25.747165][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 25.762509][ T313] Tainted: [W]=WARN
[ 25.766326][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 25.776464][ T313] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 25.782443][ T313] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 25.802099][ T313] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 25.808202][ T313] RAX: 1ffffd1ffff80e52 RBX: ffffc900013048e8 RCX: ffffffff816dc249
[ 25.816168][ T313] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07290
[ 25.824191][ T313] RBP: ffffc9000124fb10 R08: ffffe8ffffc07297 R09: 1ffffd1ffff80e52
[ 25.832217][ T313] R10: dffffc0000000000 R11: fffff91ffff80e53 R12: dffffc0000000000
[ 25.840237][ T313] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07290
[ 25.848238][ T313] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 25.857245][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 25.863873][ T313] CR2: 00007fe2c5a4f0d0 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 25.871873][ T313] Call Trace:
[ 25.875176][ T313]
[ 25.878153][ T313] kvm_put_kvm+0x1100/0x12b0
[ 25.882941][ T313] ? __cfi_kvm_vm_release+0x10/0x10
[ 25.888174][ T313] kvm_vm_release+0x47/0x70
[ 25.892694][ T313] __fput+0x1fb/0xa00
[ 25.896667][ T313] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 25.902233][ T313] ____fput+0x20/0x30
[ 25.906233][ T313] task_work_run+0x1e0/0x250
[ 25.910944][ T313] ? __cfi_task_work_run+0x10/0x10
[ 25.916079][ T313] ? __kasan_check_write+0x18/0x20
[ 25.921223][ T313] do_exit+0x9bc/0x2630
[ 25.925408][ T313] ? __cfi_do_exit+0x10/0x10
[ 25.930031][ T313] ? __kasan_check_write+0x18/0x20
[ 25.935158][ T313] ? _raw_spin_lock_irq+0x8d/0x120
[ 25.940286][ T313] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 25.945863][ T313] ? zap_other_threads+0x334/0x370
[ 25.950995][ T313] do_group_exit+0x22a/0x300
[ 25.955600][ T313] __x64_sys_exit_group+0x43/0x50
[ 25.960730][ T313] x64_sys_call+0x2ed2/0x2ee0
[ 25.965433][ T313] do_syscall_64+0x58/0xf0
[ 25.970081][ T313] ? clear_bhb_loop+0x50/0xa0
[ 25.974789][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 25.980928][ T313] RIP: 0033:0x7fe2c59d6bc9
[ 25.985386][ T313] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 25.992436][ T313] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 26.000888][ T313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 26.008896][ T313] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 26.017053][ T313] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=30} ---
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=0x55557ecb3650) = 314
[pid 314] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 314] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 314] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 314] exit_group(0) = ?
[ 26.025044][ T313] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 26.033048][ T313] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 26.041044][ T313]
[ 26.044068][ T313] ---[ end trace 0000000000000000 ]---
[ 26.077831][ T314] ------------[ cut here ]------------
[ 26.083326][ T314] WARNING: CPU: 0 PID: 314 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 26.093157][ T314] Modules linked in:
[ 26.097065][ T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 26.112387][ T314] Tainted: [W]=WARN
[ 26.116193][ T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 26.126268][ T314] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 26.132263][ T314] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 26.151903][ T314] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 26.158056][ T314] RAX: 1ffffd1ffff80e8a RBX: ffffc9000130f8e8 RCX: ffffffff816dc249
[ 26.166318][ T314] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07450
[ 26.174368][ T314] RBP: ffffc900011bfb10 R08: ffffe8ffffc07457 R09: 1ffffd1ffff80e8a
[ 26.182421][ T314] R10: dffffc0000000000 R11: fffff91ffff80e8b R12: dffffc0000000000
[ 26.190455][ T314] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07450
[ 26.198629][ T314] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 26.207693][ T314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.214286][ T314] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 26.222323][ T314] Call Trace:
[ 26.225632][ T314]
[ 26.228602][ T314] kvm_put_kvm+0x1100/0x12b0
[ 26.233229][ T314] ? __cfi_kvm_vm_release+0x10/0x10
[ 26.238455][ T314] kvm_vm_release+0x47/0x70
[ 26.243001][ T314] __fput+0x1fb/0xa00
[ 26.247004][ T314] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 26.252586][ T314] ____fput+0x20/0x30
[ 26.256596][ T314] task_work_run+0x1e0/0x250
[ 26.261206][ T314] ? __cfi_task_work_run+0x10/0x10
[ 26.266341][ T314] ? __kasan_check_write+0x18/0x20
[ 26.271495][ T314] do_exit+0x9bc/0x2630
[ 26.275683][ T314] ? __cfi_do_exit+0x10/0x10
[ 26.280295][ T314] ? __kasan_check_write+0x18/0x20
[ 26.285427][ T314] ? _raw_spin_lock_irq+0x8d/0x120
[ 26.290644][ T314] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 26.296219][ T314] ? zap_other_threads+0x334/0x370
[ 26.301362][ T314] do_group_exit+0x22a/0x300
[ 26.305978][ T314] __x64_sys_exit_group+0x43/0x50
[ 26.311045][ T314] x64_sys_call+0x2ed2/0x2ee0
[ 26.315756][ T314] do_syscall_64+0x58/0xf0
[ 26.320199][ T314] ? clear_bhb_loop+0x50/0xa0
[ 26.324909][ T314] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 26.330859][ T314] RIP: 0033:0x7fe2c59d6bc9
[ 26.335381][ T314] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 26.342411][ T314] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 26.351051][ T314] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 26.359056][ T314] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 26.367052][ T314] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=30} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 315 attached
, child_tidptr=0x55557ecb3650) = 315
[pid 315] set_robust_list(0x55557ecb3660, 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
executing program
[pid 315] write(3, "1000", 4) = 4
[pid 315] close(3) = 0
[pid 315] write(1, "executing program\n", 18) = 18
[pid 315] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 315] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 315] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 315] exit_group(0) = ?
[ 26.375063][ T314] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 26.383156][ T314] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 26.391174][ T314]
[ 26.394200][ T314] ---[ end trace 0000000000000000 ]---
[pid 315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 316
./strace-static-x86_64: Process 316 attached
[pid 316] set_robust_list(0x55557ecb3660, 24) = 0
[pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 316] setpgid(0, 0) = 0
[pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 316] write(3, "1000", 4) = 4
[pid 316] close(3) = 0
executing program
[pid 316] write(1, "executing program\n", 18) = 18
[pid 316] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 316] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 316] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 316] exit_group(0) = ?
[ 26.497798][ T316] ------------[ cut here ]------------
[ 26.503279][ T316] WARNING: CPU: 0 PID: 316 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 26.513065][ T316] Modules linked in:
[ 26.516977][ T316] CPU: 0 UID: 0 PID: 316 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 26.532281][ T316] Tainted: [W]=WARN
[ 26.536092][ T316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 26.546185][ T316] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 26.552149][ T316] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 26.571794][ T316] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 26.577915][ T316] RAX: 1ffffd1ffff80eba RBX: ffffc900013258e8 RCX: ffffffff816dc249
[ 26.585909][ T316] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc075d0
[ 26.593905][ T316] RBP: ffffc9000124fb10 R08: ffffe8ffffc075d7 R09: 1ffffd1ffff80eba
[ 26.601974][ T316] R10: dffffc0000000000 R11: fffff91ffff80ebb R12: dffffc0000000000
[ 26.610128][ T316] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc075d0
[ 26.618155][ T316] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 26.627186][ T316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.633806][ T316] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 26.641859][ T316] Call Trace:
[ 26.645169][ T316]
[ 26.648150][ T316] kvm_put_kvm+0x1100/0x12b0
[ 26.652777][ T316] ? __cfi_kvm_vm_release+0x10/0x10
[ 26.658071][ T316] kvm_vm_release+0x47/0x70
[ 26.662598][ T316] __fput+0x1fb/0xa00
[ 26.666587][ T316] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 26.672163][ T316] ____fput+0x20/0x30
[ 26.676178][ T316] task_work_run+0x1e0/0x250
[ 26.680800][ T316] ? __cfi_task_work_run+0x10/0x10
[ 26.686029][ T316] ? __kasan_check_write+0x18/0x20
[ 26.691181][ T316] do_exit+0x9bc/0x2630
[ 26.695453][ T316] ? __cfi_do_exit+0x10/0x10
[ 26.700062][ T316] ? __kasan_check_write+0x18/0x20
[ 26.705196][ T316] ? _raw_spin_lock_irq+0x8d/0x120
[ 26.710331][ T316] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 26.715894][ T316] ? zap_other_threads+0x334/0x370
[ 26.721027][ T316] do_group_exit+0x22a/0x300
[ 26.725635][ T316] __x64_sys_exit_group+0x43/0x50
[ 26.730677][ T316] x64_sys_call+0x2ed2/0x2ee0
[ 26.736279][ T316] do_syscall_64+0x58/0xf0
[ 26.741210][ T316] ? clear_bhb_loop+0x50/0xa0
[ 26.745944][ T316] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 26.752028][ T316] RIP: 0033:0x7fe2c59d6bc9
[ 26.756461][ T316] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 26.764665][ T316] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 26.773173][ T316] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 26.781391][ T316] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 26.789498][ T316] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[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=30} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 317 attached
, child_tidptr=0x55557ecb3650) = 317
[pid 317] set_robust_list(0x55557ecb3660, 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(3) = 0
executing program
[pid 317] write(1, "executing program\n", 18) = 18
[pid 317] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 317] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 317] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 317] exit_group(0) = ?
[ 26.797517][ T316] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 26.805588][ T316] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 26.814054][ T316]
[ 26.817167][ T316] ---[ end trace 0000000000000000 ]---
[ 26.857869][ T317] ------------[ cut here ]------------
[ 26.863359][ T317] WARNING: CPU: 0 PID: 317 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 26.873223][ T317] Modules linked in:
[ 26.877242][ T317] CPU: 0 UID: 0 PID: 317 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 26.892641][ T317] Tainted: [W]=WARN
[ 26.896441][ T317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 26.906511][ T317] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 26.912483][ T317] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 26.932126][ T317] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 26.938230][ T317] RAX: 1ffffd1ffff80eea RBX: ffffc900013308e8 RCX: ffffffff816dc249
[ 26.946201][ T317] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07750
[ 26.954283][ T317] RBP: ffffc900011bfb10 R08: ffffe8ffffc07757 R09: 1ffffd1ffff80eea
[ 26.962330][ T317] R10: dffffc0000000000 R11: fffff91ffff80eeb R12: dffffc0000000000
[ 26.970418][ T317] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07750
[ 26.978431][ T317] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 26.987405][ T317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.994014][ T317] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 27.002027][ T317] Call Trace:
[ 27.005326][ T317]
[ 27.008370][ T317] kvm_put_kvm+0x1100/0x12b0
[ 27.013073][ T317] ? __cfi_kvm_vm_release+0x10/0x10
[ 27.018318][ T317] kvm_vm_release+0x47/0x70
[ 27.022860][ T317] __fput+0x1fb/0xa00
[ 27.026841][ T317] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 27.032436][ T317] ____fput+0x20/0x30
[ 27.036437][ T317] task_work_run+0x1e0/0x250
[ 27.041057][ T317] ? __cfi_task_work_run+0x10/0x10
[ 27.046193][ T317] ? __kasan_check_write+0x18/0x20
[ 27.051342][ T317] do_exit+0x9bc/0x2630
[ 27.055514][ T317] ? __cfi_do_exit+0x10/0x10
[ 27.060141][ T317] ? __kasan_check_write+0x18/0x20
[ 27.065288][ T317] ? _raw_spin_lock_irq+0x8d/0x120
[ 27.070420][ T317] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 27.075986][ T317] ? zap_other_threads+0x334/0x370
[ 27.081134][ T317] do_group_exit+0x22a/0x300
[ 27.085972][ T317] __x64_sys_exit_group+0x43/0x50
[ 27.091059][ T317] x64_sys_call+0x2ed2/0x2ee0
[ 27.095764][ T317] do_syscall_64+0x58/0xf0
[ 27.100213][ T317] ? clear_bhb_loop+0x50/0xa0
[ 27.104914][ T317] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 27.110834][ T317] RIP: 0033:0x7fe2c59d6bc9
[ 27.115698][ T317] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 27.122736][ T317] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 27.131235][ T317] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 27.139318][ T317] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 27.147332][ T317] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=31} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 318 attached
, child_tidptr=0x55557ecb3650) = 318
[pid 318] set_robust_list(0x55557ecb3660, 24) = 0
[pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 318] setpgid(0, 0) = 0
[pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 318] write(3, "1000", 4) = 4
[pid 318] close(3) = 0
[pid 318] write(1, "executing program\n", 18executing program
) = 18
[pid 318] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 318] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 318] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 318] exit_group(0) = ?
[ 27.155310][ T317] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 27.163853][ T317] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 27.171889][ T317]
[ 27.176816][ 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=0x55557ecb3650) = 319
[pid 319] set_robust_list(0x55557ecb3660, 24) = 0
[pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 319] setpgid(0, 0) = 0
[pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 319] write(3, "1000", 4) = 4
[pid 319] close(3) = 0
[pid 319] write(1, "executing program\n", 18executing program
) = 18
[pid 319] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 319] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 319] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 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=0x55557ecb3650) = 320
[pid 320] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 320] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 320] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 320] exit_group(0) = ?
[ 27.337930][ T320] ------------[ cut here ]------------
[ 27.343451][ T320] WARNING: CPU: 0 PID: 320 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 27.353559][ T320] Modules linked in:
[ 27.357511][ T320] CPU: 0 UID: 0 PID: 320 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 27.372831][ T320] Tainted: [W]=WARN
[ 27.376655][ T320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 27.386748][ T320] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 27.392710][ T320] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 27.412608][ T320] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 27.418715][ T320] RAX: 1ffffd1ffff80f1a RBX: ffffc900013518e8 RCX: ffffffff816dc249
[ 27.426687][ T320] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc078d0
[ 27.434739][ T320] RBP: ffffc900011bfb10 R08: ffffe8ffffc078d7 R09: 1ffffd1ffff80f1a
[ 27.442758][ T320] R10: dffffc0000000000 R11: fffff91ffff80f1b R12: dffffc0000000000
[ 27.450761][ T320] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc078d0
[ 27.459285][ T320] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 27.468241][ T320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 27.474839][ T320] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 27.482856][ T320] Call Trace:
[ 27.486144][ T320]
[ 27.489110][ T320] kvm_put_kvm+0x1100/0x12b0
[ 27.493740][ T320] ? __cfi_kvm_vm_release+0x10/0x10
[ 27.498992][ T320] kvm_vm_release+0x47/0x70
[ 27.503619][ T320] __fput+0x1fb/0xa00
[ 27.507668][ T320] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 27.513317][ T320] ____fput+0x20/0x30
[ 27.517363][ T320] task_work_run+0x1e0/0x250
[ 27.522014][ T320] ? __cfi_task_work_run+0x10/0x10
[ 27.527150][ T320] ? __kasan_check_write+0x18/0x20
[ 27.532317][ T320] do_exit+0x9bc/0x2630
[ 27.536502][ T320] ? __cfi_do_exit+0x10/0x10
[ 27.541136][ T320] ? __kasan_check_write+0x18/0x20
[ 27.546414][ T320] ? _raw_spin_lock_irq+0x8d/0x120
[ 27.551682][ T320] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 27.557382][ T320] ? zap_other_threads+0x334/0x370
[ 27.562503][ T320] do_group_exit+0x22a/0x300
[ 27.567096][ T320] __x64_sys_exit_group+0x43/0x50
[ 27.572151][ T320] x64_sys_call+0x2ed2/0x2ee0
[ 27.576851][ T320] do_syscall_64+0x58/0xf0
[ 27.581289][ T320] ? clear_bhb_loop+0x50/0xa0
[ 27.586016][ T320] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 27.591930][ T320] RIP: 0033:0x7fe2c59d6bc9
[ 27.596359][ T320] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 27.603390][ T320] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 27.611838][ T320] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 27.620052][ T320] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 27.628094][ T320] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=31} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 321
./strace-static-x86_64: Process 321 attached
[pid 321] set_robust_list(0x55557ecb3660, 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(3executing program
) = 0
[pid 321] write(1, "executing program\n", 18) = 18
[pid 321] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 321] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 321] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 321] exit_group(0) = ?
[ 27.636072][ T320] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 27.644252][ T320] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 27.652569][ T320]
[ 27.655587][ 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./strace-static-x86_64: Process 322 attached
, child_tidptr=0x55557ecb3650) = 322
[pid 322] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 322] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 322] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 322] exit_group(0) = ?
[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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 323
./strace-static-x86_64: Process 323 attached
[pid 323] set_robust_list(0x55557ecb3660, 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
executing program
[pid 323] write(3, "1000", 4) = 4
[pid 323] close(3) = 0
[pid 323] write(1, "executing program\n", 18) = 18
[pid 323] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 323] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 323] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 323] exit_group(0) = ?
[pid 323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 324
./strace-static-x86_64: Process 324 attached
[pid 324] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 324] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 324] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 324] exit_group(0) = ?
[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=0x55557ecb3650) = 325
[pid 325] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 325] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 325] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 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./strace-static-x86_64: Process 326 attached
, child_tidptr=0x55557ecb3650) = 326
[pid 326] set_robust_list(0x55557ecb3660, 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
executing program
[pid 326] write(1, "executing program\n", 18) = 18
[pid 326] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 326] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 326] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 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=0x55557ecb3650) = 327
./strace-static-x86_64: Process 327 attached
[pid 327] set_robust_list(0x55557ecb3660, 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
executing program
[pid 327] write(1, "executing program\n", 18) = 18
[pid 327] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 327] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 327] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 327] exit_group(0) = ?
[pid 327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 328 attached
, child_tidptr=0x55557ecb3650) = 328
[pid 328] set_robust_list(0x55557ecb3660, 24) = 0
[pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 328] setpgid(0, 0) = 0
[pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 328] write(3, "1000", 4) = 4
[pid 328] close(3) = 0
[pid 328] write(1, "executing program\n", 18executing program
) = 18
[pid 328] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 328] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 328] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 328] exit_group(0) = ?
[pid 328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 329
./strace-static-x86_64: Process 329 attached
[pid 329] set_robust_list(0x55557ecb3660, 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
[pid 329] write(1, "executing program\n", 18executing program
) = 18
[pid 329] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 329] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 329] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 329] exit_group(0) = ?
[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, child_tidptr=0x55557ecb3650) = 330
./strace-static-x86_64: Process 330 attached
[pid 330] set_robust_list(0x55557ecb3660, 24) = 0
[pid 330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 330] setpgid(0, 0) = 0
[pid 330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 330] write(3, "1000", 4) = 4
[pid 330] close(3) = 0
executing program
[pid 330] write(1, "executing program\n", 18) = 18
[pid 330] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 330] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 330] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 330] exit_group(0) = ?
[ 28.287934][ T330] ------------[ cut here ]------------
[ 28.293726][ T330] WARNING: CPU: 0 PID: 330 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 28.303671][ T330] Modules linked in:
[ 28.307646][ T330] CPU: 0 UID: 0 PID: 330 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 28.323242][ T330] Tainted: [W]=WARN
[ 28.327070][ T330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 28.337163][ T330] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 28.343128][ T330] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 28.362806][ T330] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 28.369052][ T330] RAX: 1ffffd1ffff80f4a RBX: ffffc900013cd8e8 RCX: ffffffff816dc249
[ 28.377041][ T330] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07a50
[ 28.385246][ T330] RBP: ffffc900011bfb10 R08: ffffe8ffffc07a57 R09: 1ffffd1ffff80f4a
[ 28.393281][ T330] R10: dffffc0000000000 R11: fffff91ffff80f4b R12: dffffc0000000000
[ 28.401299][ T330] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07a50
[ 28.409388][ T330] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 28.418346][ T330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.424949][ T330] CR2: 000055557ecb3650 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 28.432951][ T330] Call Trace:
[ 28.436244][ T330]
[ 28.439196][ T330] kvm_put_kvm+0x1100/0x12b0
[ 28.443812][ T330] ? __cfi_kvm_vm_release+0x10/0x10
[ 28.449040][ T330] kvm_vm_release+0x47/0x70
[ 28.453563][ T330] __fput+0x1fb/0xa00
[ 28.457584][ T330] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 28.463149][ T330] ____fput+0x20/0x30
[ 28.467126][ T330] task_work_run+0x1e0/0x250
[ 28.471751][ T330] ? __cfi_task_work_run+0x10/0x10
[ 28.476882][ T330] ? __kasan_check_write+0x18/0x20
[ 28.482028][ T330] do_exit+0x9bc/0x2630
[ 28.486202][ T330] ? __cfi_do_exit+0x10/0x10
[ 28.490809][ T330] ? __kasan_check_write+0x18/0x20
[ 28.496037][ T330] ? _raw_spin_lock_irq+0x8d/0x120
[ 28.501163][ T330] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 28.506731][ T330] ? zap_other_threads+0x334/0x370
[ 28.511891][ T330] do_group_exit+0x22a/0x300
[ 28.516509][ T330] __x64_sys_exit_group+0x43/0x50
[ 28.521660][ T330] x64_sys_call+0x2ed2/0x2ee0
[ 28.526374][ T330] do_syscall_64+0x58/0xf0
[ 28.530813][ T330] ? clear_bhb_loop+0x50/0xa0
[ 28.535511][ T330] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 28.541484][ T330] RIP: 0033:0x7fe2c59d6bc9
[ 28.545936][ T330] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 28.552986][ T330] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 28.561460][ T330] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 28.569488][ T330] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 28.577497][ T330] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[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=31} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 331
./strace-static-x86_64: Process 331 attached
[pid 331] set_robust_list(0x55557ecb3660, 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
executing program
[pid 331] close(3) = 0
[pid 331] write(1, "executing program\n", 18) = 18
[pid 331] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 331] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 331] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 331] exit_group(0) = ?
[ 28.585467][ T330] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 28.593458][ T330] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 28.601458][ T330]
[ 28.604470][ 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=0x55557ecb3650) = 332
./strace-static-x86_64: Process 332 attached
[pid 332] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 332] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 332] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 332] exit_group(0) = ?
[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=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 333 attached
, child_tidptr=0x55557ecb3650) = 333
[pid 333] set_robust_list(0x55557ecb3660, 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
executing program
[pid 333] write(1, "executing program\n", 18) = 18
[pid 333] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 333] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 333] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 333] exit_group(0) = ?
[ 28.777995][ T333] ------------[ cut here ]------------
[ 28.783571][ T333] WARNING: CPU: 0 PID: 333 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 28.793615][ T333] Modules linked in:
[ 28.797579][ T333] CPU: 0 UID: 0 PID: 333 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 28.812894][ T333] Tainted: [W]=WARN
[ 28.816707][ T333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 28.826963][ T333] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 28.833001][ T333] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 28.853213][ T333] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 28.859337][ T333] RAX: 1ffffd1ffff80f7a RBX: ffffc900013ee8e8 RCX: ffffffff816dc249
[ 28.867364][ T333] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07bd0
[ 28.875365][ T333] RBP: ffffc9000124fb10 R08: ffffe8ffffc07bd7 R09: 1ffffd1ffff80f7a
[ 28.883495][ T333] R10: dffffc0000000000 R11: fffff91ffff80f7b R12: dffffc0000000000
[ 28.891528][ T333] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07bd0
[ 28.899534][ T333] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 28.908616][ T333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.915320][ T333] CR2: 00007fe2c5a52110 CR3: 00000001082aa000 CR4: 00000000003526b0
[ 28.923345][ T333] Call Trace:
[ 28.926638][ T333]
[ 28.929596][ T333] kvm_put_kvm+0x1100/0x12b0
[ 28.934214][ T333] ? __cfi_kvm_vm_release+0x10/0x10
[ 28.939441][ T333] kvm_vm_release+0x47/0x70
[ 28.943972][ T333] __fput+0x1fb/0xa00
[ 28.948012][ T333] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 28.953598][ T333] ____fput+0x20/0x30
[ 28.957608][ T333] task_work_run+0x1e0/0x250
[ 28.962473][ T333] ? __cfi_task_work_run+0x10/0x10
[ 28.967630][ T333] ? __kasan_check_write+0x18/0x20
[ 28.972759][ T333] do_exit+0x9bc/0x2630
[ 28.977001][ T333] ? __cfi_do_exit+0x10/0x10
[ 28.981610][ T333] ? __kasan_check_write+0x18/0x20
[ 28.986754][ T333] ? _raw_spin_lock_irq+0x8d/0x120
[ 28.992254][ T333] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 28.997875][ T333] ? zap_other_threads+0x334/0x370
[ 29.002994][ T333] do_group_exit+0x22a/0x300
[ 29.007619][ T333] __x64_sys_exit_group+0x43/0x50
[ 29.013105][ T333] x64_sys_call+0x2ed2/0x2ee0
[ 29.017931][ T333] do_syscall_64+0x58/0xf0
[ 29.022389][ T333] ? clear_bhb_loop+0x50/0xa0
[ 29.027058][ T333] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 29.032981][ T333] RIP: 0033:0x7fe2c59d6bc9
[ 29.037449][ T333] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 29.044457][ T333] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 29.053098][ T333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 29.061119][ T333] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 29.069218][ T333] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[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=31} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 334
./strace-static-x86_64: Process 334 attached
[pid 334] set_robust_list(0x55557ecb3660, 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
[pid 334] close(3) = 0
executing program
[pid 334] write(1, "executing program\n", 18) = 18
[pid 334] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 334] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 334] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 334] exit_group(0) = ?
[ 29.077215][ T333] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 29.085219][ T333] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 29.093221][ T333]
[ 29.096237][ T333] ---[ end trace 0000000000000000 ]---
[ 29.137826][ T334] ------------[ cut here ]------------
[ 29.143308][ T334] WARNING: CPU: 0 PID: 334 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 29.153082][ T334] Modules linked in:
[ 29.157005][ T334] CPU: 0 UID: 0 PID: 334 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 29.172399][ T334] Tainted: [W]=WARN
[ 29.176207][ T334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 29.186288][ T334] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 29.192245][ T334] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 29.211990][ T334] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 29.218127][ T334] RAX: 1ffffd1ffff80faa RBX: ffffc900013f98e8 RCX: ffffffff816dc249
[ 29.226185][ T334] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07d50
[ 29.234174][ T334] RBP: ffffc9000124fb10 R08: ffffe8ffffc07d57 R09: 1ffffd1ffff80faa
[ 29.242199][ T334] R10: dffffc0000000000 R11: fffff91ffff80fab R12: dffffc0000000000
[ 29.250222][ T334] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07d50
[ 29.258238][ T334] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 29.267177][ T334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.274054][ T334] CR2: 00007fe2c5a52110 CR3: 00000001082aa000 CR4: 00000000003526b0
[ 29.282092][ T334] Call Trace:
[ 29.285373][ T334]
[ 29.288323][ T334] kvm_put_kvm+0x1100/0x12b0
[ 29.293030][ T334] ? __cfi_kvm_vm_release+0x10/0x10
[ 29.298512][ T334] kvm_vm_release+0x47/0x70
[ 29.303032][ T334] __fput+0x1fb/0xa00
[ 29.307010][ T334] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 29.312590][ T334] ____fput+0x20/0x30
[ 29.316583][ T334] task_work_run+0x1e0/0x250
[ 29.321197][ T334] ? __cfi_task_work_run+0x10/0x10
[ 29.326415][ T334] ? __kasan_check_write+0x18/0x20
[ 29.331555][ T334] do_exit+0x9bc/0x2630
[ 29.335730][ T334] ? __cfi_do_exit+0x10/0x10
[ 29.340344][ T334] ? __kasan_check_write+0x18/0x20
[ 29.345489][ T334] ? _raw_spin_lock_irq+0x8d/0x120
[ 29.350678][ T334] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 29.356288][ T334] ? zap_other_threads+0x334/0x370
[ 29.361494][ T334] do_group_exit+0x22a/0x300
[ 29.366140][ T334] __x64_sys_exit_group+0x43/0x50
[ 29.371300][ T334] x64_sys_call+0x2ed2/0x2ee0
[ 29.376003][ T334] do_syscall_64+0x58/0xf0
[ 29.380455][ T334] ? clear_bhb_loop+0x50/0xa0
[ 29.385147][ T334] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 29.391264][ T334] RIP: 0033:0x7fe2c59d6bc9
[ 29.395706][ T334] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 29.402750][ T334] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 29.411337][ T334] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 29.419375][ T334] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 29.427402][ T334] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[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=0x55557ecb3650) = 335
./strace-static-x86_64: Process 335 attached
[pid 335] set_robust_list(0x55557ecb3660, 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
executing program
[pid 335] close(3) = 0
[pid 335] write(1, "executing program\n", 18) = 18
[pid 335] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 335] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 335] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 335] exit_group(0) = ?
[ 29.435388][ T334] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 29.443382][ T334] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 29.451415][ T334]
[ 29.454438][ T334] ---[ end trace 0000000000000000 ]---
[ 29.487861][ T335] ------------[ cut here ]------------
[ 29.493502][ T335] WARNING: CPU: 0 PID: 335 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 29.503362][ T335] Modules linked in:
[ 29.507317][ T335] CPU: 0 UID: 0 PID: 335 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 29.522814][ T335] Tainted: [W]=WARN
[ 29.527068][ T335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 29.537249][ T335] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 29.543366][ T335] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 29.563305][ T335] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 29.569462][ T335] RAX: 1ffffd1ffff80fda RBX: ffffc900014048e8 RCX: ffffffff816dc249
[ 29.577525][ T335] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc07ed0
[ 29.585615][ T335] RBP: ffffc900011bfb10 R08: ffffe8ffffc07ed7 R09: 1ffffd1ffff80fda
[ 29.593659][ T335] R10: dffffc0000000000 R11: fffff91ffff80fdb R12: dffffc0000000000
[ 29.601945][ T335] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc07ed0
[ 29.609998][ T335] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 29.619046][ T335] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.625661][ T335] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 29.633775][ T335] Call Trace:
[ 29.637104][ T335]
[ 29.640064][ T335] kvm_put_kvm+0x1100/0x12b0
[ 29.644679][ T335] ? __cfi_kvm_vm_release+0x10/0x10
[ 29.649912][ T335] kvm_vm_release+0x47/0x70
[ 29.654438][ T335] __fput+0x1fb/0xa00
[ 29.658455][ T335] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 29.664038][ T335] ____fput+0x20/0x30
[ 29.668095][ T335] task_work_run+0x1e0/0x250
[ 29.672804][ T335] ? __cfi_task_work_run+0x10/0x10
[ 29.677959][ T335] ? __kasan_check_write+0x18/0x20
[ 29.683094][ T335] do_exit+0x9bc/0x2630
[ 29.687246][ T335] ? __cfi_do_exit+0x10/0x10
[ 29.691891][ T335] ? __kasan_check_write+0x18/0x20
[ 29.697003][ T335] ? _raw_spin_lock_irq+0x8d/0x120
[ 29.702135][ T335] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 29.707719][ T335] ? zap_other_threads+0x334/0x370
[ 29.712856][ T335] do_group_exit+0x22a/0x300
[ 29.717488][ T335] __x64_sys_exit_group+0x43/0x50
[ 29.722541][ T335] x64_sys_call+0x2ed2/0x2ee0
[ 29.727225][ T335] do_syscall_64+0x58/0xf0
[ 29.731662][ T335] ? clear_bhb_loop+0x50/0xa0
[ 29.736347][ T335] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 29.742264][ T335] RIP: 0033:0x7fe2c59d6bc9
[ 29.746686][ T335] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 29.753725][ T335] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 29.762165][ T335] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 29.770154][ T335] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 29.778270][ T335] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[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=31} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 336
./strace-static-x86_64: Process 336 attached
[pid 336] set_robust_list(0x55557ecb3660, 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
[pid 336] write(1, "executing program\n", 18executing program
) = 18
[pid 336] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 336] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 336] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 336] exit_group(0) = ?
[ 29.786335][ T335] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 29.794363][ T335] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 29.802479][ T335]
[ 29.805590][ T335] ---[ end trace 0000000000000000 ]---
[pid 336] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=336, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 337
./strace-static-x86_64: Process 337 attached
[pid 337] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 337] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 337] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 337] exit_group(0) = ?
[pid 337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 338 attached
, child_tidptr=0x55557ecb3650) = 338
[pid 338] set_robust_list(0x55557ecb3660, 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", 4executing program
) = 4
[pid 338] close(3) = 0
[pid 338] write(1, "executing program\n", 18) = 18
[pid 338] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 338] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 338] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 338] exit_group(0) = ?
[ 29.947971][ T338] ------------[ cut here ]------------
[ 29.953582][ T338] WARNING: CPU: 0 PID: 338 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 29.963377][ T338] Modules linked in:
[ 29.967312][ T338] CPU: 0 UID: 0 PID: 338 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 29.982673][ T338] Tainted: [W]=WARN
[ 29.986510][ T338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 29.996592][ T338] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 30.002532][ T338] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 30.022263][ T338] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 30.028452][ T338] RAX: 1ffffd1ffff8100a RBX: ffffc900014258e8 RCX: ffffffff816dc249
[ 30.036508][ T338] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08050
[ 30.044511][ T338] RBP: ffffc9000124fb10 R08: ffffe8ffffc08057 R09: 1ffffd1ffff8100a
[ 30.052518][ T338] R10: dffffc0000000000 R11: fffff91ffff8100b R12: dffffc0000000000
[ 30.060518][ T338] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08050
[ 30.068554][ T338] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 30.078029][ T338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.084718][ T338] CR2: 00007fe2c5a4f0d0 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 30.092722][ T338] Call Trace:
[ 30.096019][ T338]
[ 30.099009][ T338] kvm_put_kvm+0x1100/0x12b0
[ 30.103635][ T338] ? __cfi_kvm_vm_release+0x10/0x10
[ 30.108980][ T338] kvm_vm_release+0x47/0x70
[ 30.113512][ T338] __fput+0x1fb/0xa00
[ 30.117624][ T338] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 30.123196][ T338] ____fput+0x20/0x30
[ 30.127380][ T338] task_work_run+0x1e0/0x250
[ 30.132003][ T338] ? __cfi_task_work_run+0x10/0x10
[ 30.137145][ T338] ? __kasan_check_write+0x18/0x20
[ 30.142294][ T338] do_exit+0x9bc/0x2630
[ 30.146489][ T338] ? __cfi_do_exit+0x10/0x10
[ 30.151136][ T338] ? __kasan_check_write+0x18/0x20
[ 30.156286][ T338] ? _raw_spin_lock_irq+0x8d/0x120
[ 30.161428][ T338] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 30.166998][ T338] ? zap_other_threads+0x334/0x370
[ 30.172171][ T338] do_group_exit+0x22a/0x300
[ 30.176782][ T338] __x64_sys_exit_group+0x43/0x50
[ 30.181927][ T338] x64_sys_call+0x2ed2/0x2ee0
[ 30.186660][ T338] do_syscall_64+0x58/0xf0
[ 30.191114][ T338] ? clear_bhb_loop+0x50/0xa0
[ 30.195807][ T338] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 30.201822][ T338] RIP: 0033:0x7fe2c59d6bc9
[ 30.206367][ T338] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 30.213428][ T338] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 30.221926][ T338] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 30.229966][ T338] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 30.238006][ T338] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 338] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=0, si_stime=30} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 339
./strace-static-x86_64: Process 339 attached
[pid 339] set_robust_list(0x55557ecb3660, 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_RDONLY) = 3
[pid 339] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 339] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 339] exit_group(0) = ?
[ 30.246011][ T338] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 30.254122][ T338] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 30.262253][ T338]
[ 30.265284][ T338] ---[ end trace 0000000000000000 ]---
[ 30.298004][ T339] ------------[ cut here ]------------
[ 30.303502][ T339] WARNING: CPU: 0 PID: 339 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 30.313320][ T339] Modules linked in:
[ 30.317241][ T339] CPU: 0 UID: 0 PID: 339 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 30.332623][ T339] Tainted: [W]=WARN
[ 30.336526][ T339] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 30.346604][ T339] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 30.352580][ T339] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 30.372259][ T339] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 30.378411][ T339] RAX: 1ffffd1ffff8103a RBX: ffffc900014308e8 RCX: ffffffff816dc249
[ 30.386599][ T339] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc081d0
[ 30.394606][ T339] RBP: ffffc900011bfb10 R08: ffffe8ffffc081d7 R09: 1ffffd1ffff8103a
[ 30.402723][ T339] R10: dffffc0000000000 R11: fffff91ffff8103b R12: dffffc0000000000
[ 30.410751][ T339] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc081d0
[ 30.418785][ T339] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 30.427776][ T339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.434401][ T339] CR2: 000055557ecb3650 CR3: 00000001082aa000 CR4: 00000000003526b0
[ 30.442441][ T339] Call Trace:
[ 30.445746][ T339]
[ 30.448717][ T339] kvm_put_kvm+0x1100/0x12b0
[ 30.453343][ T339] ? __cfi_kvm_vm_release+0x10/0x10
[ 30.458667][ T339] kvm_vm_release+0x47/0x70
[ 30.463218][ T339] __fput+0x1fb/0xa00
[ 30.467208][ T339] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 30.473162][ T339] ____fput+0x20/0x30
[ 30.477189][ T339] task_work_run+0x1e0/0x250
[ 30.481858][ T339] ? __cfi_task_work_run+0x10/0x10
[ 30.487005][ T339] ? __kasan_check_write+0x18/0x20
[ 30.492172][ T339] do_exit+0x9bc/0x2630
[ 30.496446][ T339] ? __cfi_do_exit+0x10/0x10
[ 30.501076][ T339] ? __kasan_check_write+0x18/0x20
[ 30.506294][ T339] ? _raw_spin_lock_irq+0x8d/0x120
[ 30.511534][ T339] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 30.517100][ T339] ? zap_other_threads+0x334/0x370
[ 30.522330][ T339] do_group_exit+0x22a/0x300
[ 30.526940][ T339] __x64_sys_exit_group+0x43/0x50
[ 30.532008][ T339] x64_sys_call+0x2ed2/0x2ee0
[ 30.536893][ T339] do_syscall_64+0x58/0xf0
[ 30.541430][ T339] ? clear_bhb_loop+0x50/0xa0
[ 30.546141][ T339] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 30.552127][ T339] RIP: 0033:0x7fe2c59d6bc9
[ 30.556652][ T339] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 30.563707][ T339] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 30.572176][ T339] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 30.580209][ T339] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 30.588238][ T339] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[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=30} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557ecb3650) = 340
./strace-static-x86_64: Process 340 attached
[pid 340] set_robust_list(0x55557ecb3660, 24) = 0
[pid 340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 340] setpgid(0, 0) = 0
[pid 340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 340] write(3, "1000", 4) = 4
[pid 340] close(3) = 0
[pid 340] write(1, "executing program\n", 18executing program
) = 18
[pid 340] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 340] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 340] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 340] exit_group(0) = ?
[ 30.596421][ T339] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 30.604557][ T339] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 30.612863][ T339]
[ 30.615881][ T339] ---[ end trace 0000000000000000 ]---
[pid 340] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=340, 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=0x55557ecb3650) = 341
./strace-static-x86_64: Process 341 attached
[pid 341] set_robust_list(0x55557ecb3660, 24) = 0
[pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 341] setpgid(0, 0) = 0
[pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 341] write(3, "1000", 4) = 4
[pid 341] close(3) = 0
executing program
[pid 341] write(1, "executing program\n", 18) = 18
[pid 341] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 341] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 341] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 341] exit_group(0) = ?
[ 30.717931][ T341] ------------[ cut here ]------------
[ 30.723542][ T341] WARNING: CPU: 0 PID: 341 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 30.733437][ T341] Modules linked in:
[ 30.737465][ T341] CPU: 0 UID: 0 PID: 341 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 30.752789][ T341] Tainted: [W]=WARN
[ 30.756601][ T341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 30.766710][ T341] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 30.772709][ T341] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 30.792487][ T341] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 30.798688][ T341] RAX: 1ffffd1ffff8106a RBX: ffffc900014468e8 RCX: ffffffff816dc249
[ 30.806701][ T341] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08350
[ 30.814728][ T341] RBP: ffffc9000124fb10 R08: ffffe8ffffc08357 R09: 1ffffd1ffff8106a
[ 30.822740][ T341] R10: dffffc0000000000 R11: fffff91ffff8106b R12: dffffc0000000000
[ 30.830755][ T341] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08350
[ 30.838758][ T341] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 30.847707][ T341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.854421][ T341] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 30.862473][ T341] Call Trace:
[ 30.865778][ T341]
[ 30.868735][ T341] kvm_put_kvm+0x1100/0x12b0
[ 30.873453][ T341] ? __cfi_kvm_vm_release+0x10/0x10
[ 30.878961][ T341] kvm_vm_release+0x47/0x70
[ 30.883489][ T341] __fput+0x1fb/0xa00
[ 30.887562][ T341] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 30.893144][ T341] ____fput+0x20/0x30
[ 30.897147][ T341] task_work_run+0x1e0/0x250
[ 30.901786][ T341] ? __cfi_task_work_run+0x10/0x10
[ 30.906955][ T341] ? __kasan_check_write+0x18/0x20
[ 30.912134][ T341] do_exit+0x9bc/0x2630
[ 30.916332][ T341] ? __cfi_do_exit+0x10/0x10
[ 30.921106][ T341] ? __kasan_check_write+0x18/0x20
[ 30.926255][ T341] ? _raw_spin_lock_irq+0x8d/0x120
[ 30.931438][ T341] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 30.937021][ T341] ? zap_other_threads+0x334/0x370
[ 30.942178][ T341] do_group_exit+0x22a/0x300
[ 30.946806][ T341] __x64_sys_exit_group+0x43/0x50
[ 30.951862][ T341] x64_sys_call+0x2ed2/0x2ee0
[ 30.956560][ T341] do_syscall_64+0x58/0xf0
[ 30.960997][ T341] ? clear_bhb_loop+0x50/0xa0
[ 30.965703][ T341] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 30.971623][ T341] RIP: 0033:0x7fe2c59d6bc9
[ 30.976051][ T341] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 30.983086][ T341] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 30.991626][ T341] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 30.999712][ T341] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 31.007813][ T341] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, 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 342 attached
, child_tidptr=0x55557ecb3650) = 342
[pid 342] set_robust_list(0x55557ecb3660, 24) = 0
[pid 342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 342] setpgid(0, 0) = 0
[pid 342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 342] write(3, "1000", 4) = 4
[pid 342] close(3) = 0
[pid 342] write(1, "executing program\n", 18executing program
) = 18
[pid 342] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 342] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 342] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 342] exit_group(0) = ?
[ 31.015780][ T341] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 31.023789][ T341] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 31.031797][ T341]
[ 31.034810][ T341] ---[ end trace 0000000000000000 ]---
[pid 342] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, 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=0x55557ecb3650) = 343
./strace-static-x86_64: Process 343 attached
[pid 343] set_robust_list(0x55557ecb3660, 24) = 0
[pid 343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 343] setpgid(0, 0) = 0
[pid 343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 343] write(3, "1000", 4) = 4
[pid 343] close(3) = 0
executing program
[pid 343] write(1, "executing program\n", 18) = 18
[pid 343] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 343] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 343] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 343] exit_group(0) = ?
[pid 343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 344 attached
, child_tidptr=0x55557ecb3650) = 344
[pid 344] set_robust_list(0x55557ecb3660, 24) = 0
[pid 344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 344] setpgid(0, 0) = 0
[pid 344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 344] write(3, "1000", 4) = 4
[pid 344] close(3executing program
) = 0
[pid 344] write(1, "executing program\n", 18) = 18
[pid 344] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 344] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 344] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 344] exit_group(0) = ?
[pid 344] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=344, 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 345 attached
, child_tidptr=0x55557ecb3650) = 345
[pid 345] set_robust_list(0x55557ecb3660, 24) = 0
[pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 345] setpgid(0, 0) = 0
[pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 345] write(3, "1000", 4executing program
) = 4
[pid 345] close(3) = 0
[pid 345] write(1, "executing program\n", 18) = 18
[pid 345] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 345] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 345] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 345] exit_group(0) = ?
[ 31.237866][ T345] ------------[ cut here ]------------
[ 31.243380][ T345] WARNING: CPU: 0 PID: 345 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 31.253164][ T345] Modules linked in:
[ 31.257074][ T345] CPU: 0 UID: 0 PID: 345 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 31.272474][ T345] Tainted: [W]=WARN
[ 31.276282][ T345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 31.286371][ T345] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 31.292317][ T345] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 31.312337][ T345] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 31.318549][ T345] RAX: 1ffffd1ffff8109a RBX: ffffc900014728e8 RCX: ffffffff816dc249
[ 31.326623][ T345] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc084d0
[ 31.334711][ T345] RBP: ffffc9000124fb10 R08: ffffe8ffffc084d7 R09: 1ffffd1ffff8109a
[ 31.342725][ T345] R10: dffffc0000000000 R11: fffff91ffff8109b R12: dffffc0000000000
[ 31.350722][ T345] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc084d0
[ 31.358795][ T345] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 31.367748][ T345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.374341][ T345] CR2: 00007ffe260a0ff8 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 31.382433][ T345] Call Trace:
[ 31.385724][ T345]
[ 31.388712][ T345] kvm_put_kvm+0x1100/0x12b0
[ 31.393348][ T345] ? __cfi_kvm_vm_release+0x10/0x10
[ 31.398612][ T345] kvm_vm_release+0x47/0x70
[ 31.403165][ T345] __fput+0x1fb/0xa00
[ 31.407170][ T345] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 31.412817][ T345] ____fput+0x20/0x30
[ 31.416836][ T345] task_work_run+0x1e0/0x250
[ 31.421462][ T345] ? __cfi_task_work_run+0x10/0x10
[ 31.426604][ T345] ? __kasan_check_write+0x18/0x20
[ 31.431752][ T345] do_exit+0x9bc/0x2630
[ 31.435934][ T345] ? __cfi_do_exit+0x10/0x10
[ 31.440721][ T345] ? __kasan_check_write+0x18/0x20
[ 31.445879][ T345] ? _raw_spin_lock_irq+0x8d/0x120
[ 31.451044][ T345] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 31.456608][ T345] ? zap_other_threads+0x334/0x370
[ 31.461769][ T345] do_group_exit+0x22a/0x300
[ 31.466376][ T345] __x64_sys_exit_group+0x43/0x50
[ 31.471433][ T345] x64_sys_call+0x2ed2/0x2ee0
[ 31.476132][ T345] do_syscall_64+0x58/0xf0
[ 31.480565][ T345] ? clear_bhb_loop+0x50/0xa0
[ 31.485362][ T345] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 31.491274][ T345] RIP: 0033:0x7fe2c59d6bc9
[ 31.495696][ T345] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 31.502727][ T345] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 31.511181][ T345] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 31.519185][ T345] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 31.527312][ T345] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, 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=0x55557ecb3650) = 346
./strace-static-x86_64: Process 346 attached
[pid 346] set_robust_list(0x55557ecb3660, 24) = 0
[pid 346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 346] setpgid(0, 0) = 0
[pid 346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 346] write(3, "1000", 4) = 4
[pid 346] close(3) = 0
[pid 346] write(1, "executing program\n", 18executing program
) = 18
[pid 346] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 346] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 346] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 346] exit_group(0) = ?
[ 31.535293][ T345] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 31.543378][ T345] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 31.551385][ T345]
[ 31.554406][ T345] ---[ end trace 0000000000000000 ]---
[ 31.587796][ T346] ------------[ cut here ]------------
[ 31.593291][ T346] WARNING: CPU: 0 PID: 346 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 31.603180][ T346] Modules linked in:
[ 31.607095][ T346] CPU: 0 UID: 0 PID: 346 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 31.622400][ T346] Tainted: [W]=WARN
[ 31.626210][ T346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 31.636303][ T346] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 31.642255][ T346] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 31.662388][ T346] RSP: 0018:ffffc9000124faa8 EFLAGS: 00010202
[ 31.668679][ T346] RAX: 1ffffd1ffff810ca RBX: ffffc9000147d8e8 RCX: ffffffff816dc249
[ 31.676742][ T346] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08650
[ 31.684745][ T346] RBP: ffffc9000124fb10 R08: ffffe8ffffc08657 R09: 1ffffd1ffff810ca
[ 31.692892][ T346] R10: dffffc0000000000 R11: fffff91ffff810cb R12: dffffc0000000000
[ 31.701000][ T346] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08650
[ 31.709093][ T346] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 31.718078][ T346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.724688][ T346] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 31.732724][ T346] Call Trace:
[ 31.736113][ T346]
[ 31.739182][ T346] kvm_put_kvm+0x1100/0x12b0
[ 31.743920][ T346] ? __cfi_kvm_vm_release+0x10/0x10
[ 31.749277][ T346] kvm_vm_release+0x47/0x70
[ 31.753834][ T346] __fput+0x1fb/0xa00
[ 31.757877][ T346] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 31.763442][ T346] ____fput+0x20/0x30
[ 31.767456][ T346] task_work_run+0x1e0/0x250
[ 31.772067][ T346] ? __cfi_task_work_run+0x10/0x10
[ 31.777175][ T346] ? __kasan_check_write+0x18/0x20
[ 31.782346][ T346] do_exit+0x9bc/0x2630
[ 31.786543][ T346] ? __cfi_do_exit+0x10/0x10
[ 31.791154][ T346] ? __kasan_check_write+0x18/0x20
[ 31.796308][ T346] ? _raw_spin_lock_irq+0x8d/0x120
[ 31.801451][ T346] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 31.807415][ T346] ? zap_other_threads+0x334/0x370
[ 31.812528][ T346] do_group_exit+0x22a/0x300
[ 31.817112][ T346] __x64_sys_exit_group+0x43/0x50
[ 31.822183][ T346] x64_sys_call+0x2ed2/0x2ee0
[ 31.826888][ T346] do_syscall_64+0x58/0xf0
[ 31.831337][ T346] ? clear_bhb_loop+0x50/0xa0
[ 31.836029][ T346] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 31.841947][ T346] RIP: 0033:0x7fe2c59d6bc9
[ 31.846379][ T346] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 31.853422][ T346] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 31.862067][ T346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 31.870082][ T346] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 31.878091][ T346] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 346] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, 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 347 attached
[pid 347] set_robust_list(0x55557ecb3660, 24) = 0
[pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL
[pid 296] <... clone resumed>, child_tidptr=0x55557ecb3650) = 347
[pid 347] <... prctl resumed>) = 0
[pid 347] setpgid(0, 0) = 0
[pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 347] write(3, "1000", 4) = 4
[pid 347] close(3) = 0
[pid 347] write(1, "executing program\n", 18executing program
) = 18
[pid 347] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 347] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 347] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 347] exit_group(0) = ?
[ 31.886105][ T346] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 31.894459][ T346] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 31.902739][ T346]
[ 31.905765][ T346] ---[ end trace 0000000000000000 ]---
[ 31.947943][ T347] ------------[ cut here ]------------
[ 31.953444][ T347] WARNING: CPU: 0 PID: 347 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 31.963274][ T347] Modules linked in:
[ 31.967196][ T347] CPU: 0 UID: 0 PID: 347 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 31.982541][ T347] Tainted: [W]=WARN
[ 31.986374][ T347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 31.996458][ T347] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 32.002421][ T347] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 32.022251][ T347] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 32.028358][ T347] RAX: 1ffffd1ffff810fa RBX: ffffc900014888e8 RCX: ffffffff816dc249
[ 32.036328][ T347] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc087d0
[ 32.044360][ T347] RBP: ffffc900011bfb10 R08: ffffe8ffffc087d7 R09: 1ffffd1ffff810fa
[ 32.052364][ T347] R10: dffffc0000000000 R11: fffff91ffff810fb R12: dffffc0000000000
[ 32.060462][ T347] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc087d0
[ 32.068464][ T347] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 32.077503][ T347] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 32.084105][ T347] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 32.092107][ T347] Call Trace:
[ 32.095394][ T347]
[ 32.098352][ T347] kvm_put_kvm+0x1100/0x12b0
[ 32.102966][ T347] ? __cfi_kvm_vm_release+0x10/0x10
[ 32.108196][ T347] kvm_vm_release+0x47/0x70
[ 32.112715][ T347] __fput+0x1fb/0xa00
[ 32.116691][ T347] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 32.122268][ T347] ____fput+0x20/0x30
[ 32.126371][ T347] task_work_run+0x1e0/0x250
[ 32.131044][ T347] ? __cfi_task_work_run+0x10/0x10
[ 32.136171][ T347] ? __kasan_check_write+0x18/0x20
[ 32.141312][ T347] do_exit+0x9bc/0x2630
[ 32.145502][ T347] ? __cfi_do_exit+0x10/0x10
[ 32.150115][ T347] ? __kasan_check_write+0x18/0x20
[ 32.155274][ T347] ? _raw_spin_lock_irq+0x8d/0x120
[ 32.160445][ T347] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 32.166201][ T347] ? zap_other_threads+0x334/0x370
[ 32.171459][ T347] do_group_exit+0x22a/0x300
[ 32.176117][ T347] __x64_sys_exit_group+0x43/0x50
[ 32.181229][ T347] x64_sys_call+0x2ed2/0x2ee0
[ 32.186031][ T347] do_syscall_64+0x58/0xf0
[ 32.190603][ T347] ? clear_bhb_loop+0x50/0xa0
[ 32.195313][ T347] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 32.201246][ T347] RIP: 0033:0x7fe2c59d6bc9
[ 32.205681][ T347] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 32.212727][ T347] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 32.221368][ T347] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 32.229655][ T347] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 32.237680][ T347] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, 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=0x55557ecb3650) = 348
./strace-static-x86_64: Process 348 attached
[pid 348] set_robust_list(0x55557ecb3660, 24) = 0
[pid 348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 348] setpgid(0, 0) = 0
[pid 348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 348] write(3, "1000", 4) = 4
[pid 348] close(3executing program
) = 0
[pid 348] write(1, "executing program\n", 18) = 18
[pid 348] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 348] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 348] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 348] exit_group(0) = ?
[ 32.245655][ T347] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 32.253656][ T347] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 32.261664][ T347]
[ 32.264684][ T347] ---[ end trace 0000000000000000 ]---
[ 32.297891][ T348] ------------[ cut here ]------------
[ 32.303417][ T348] WARNING: CPU: 0 PID: 348 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 32.313258][ T348] Modules linked in:
[ 32.317393][ T348] CPU: 0 UID: 0 PID: 348 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 32.332869][ T348] Tainted: [W]=WARN
[ 32.336684][ T348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 32.346847][ T348] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 32.352829][ T348] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 32.372495][ T348] RSP: 0018:ffffc9000135faa8 EFLAGS: 00010202
[ 32.378596][ T348] RAX: 1ffffd1ffff8112a RBX: ffffc900014938e8 RCX: ffffffff816dc249
[ 32.386683][ T348] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08950
[ 32.394747][ T348] RBP: ffffc9000135fb10 R08: ffffe8ffffc08957 R09: 1ffffd1ffff8112a
[ 32.402776][ T348] R10: dffffc0000000000 R11: fffff91ffff8112b R12: dffffc0000000000
[ 32.410789][ T348] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08950
[ 32.418847][ T348] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 32.427926][ T348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 32.434548][ T348] CR2: 00007fe2c5a52110 CR3: 0000000105a54000 CR4: 00000000003526b0
[ 32.442649][ T348] Call Trace:
[ 32.445964][ T348]
[ 32.448922][ T348] kvm_put_kvm+0x1100/0x12b0
[ 32.453564][ T348] ? __cfi_kvm_vm_release+0x10/0x10
[ 32.458834][ T348] kvm_vm_release+0x47/0x70
[ 32.463371][ T348] __fput+0x1fb/0xa00
[ 32.467413][ T348] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 32.473008][ T348] ____fput+0x20/0x30
[ 32.476999][ T348] task_work_run+0x1e0/0x250
[ 32.481657][ T348] ? __cfi_task_work_run+0x10/0x10
[ 32.486801][ T348] ? __kasan_check_write+0x18/0x20
[ 32.491955][ T348] do_exit+0x9bc/0x2630
[ 32.496136][ T348] ? __cfi_do_exit+0x10/0x10
[ 32.500761][ T348] ? __kasan_check_write+0x18/0x20
[ 32.505917][ T348] ? _raw_spin_lock_irq+0x8d/0x120
[ 32.511071][ T348] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 32.516758][ T348] ? zap_other_threads+0x334/0x370
[ 32.521923][ T348] do_group_exit+0x22a/0x300
[ 32.526536][ T348] __x64_sys_exit_group+0x43/0x50
[ 32.531620][ T348] x64_sys_call+0x2ed2/0x2ee0
[ 32.536324][ T348] do_syscall_64+0x58/0xf0
[ 32.540766][ T348] ? clear_bhb_loop+0x50/0xa0
[ 32.545470][ T348] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 32.551388][ T348] RIP: 0033:0x7fe2c59d6bc9
[ 32.555835][ T348] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 32.562868][ T348] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 32.571334][ T348] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 32.579567][ T348] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 32.587744][ T348] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 348] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=348, 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=0x55557ecb3650) = 349
./strace-static-x86_64: Process 349 attached
[pid 349] set_robust_list(0x55557ecb3660, 24) = 0
[pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 349] setpgid(0, 0) = 0
[pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 349] write(3, "1000", 4) = 4
[pid 349] close(3) = 0
executing program
[pid 349] write(1, "executing program\n", 18) = 18
[pid 349] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 349] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 349] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 349] exit_group(0) = ?
[ 32.595727][ T348] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 32.603763][ T348] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 32.611942][ T348]
[ 32.614994][ T348] ---[ end trace 0000000000000000 ]---
[pid 349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, 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=0x55557ecb3650) = 350
./strace-static-x86_64: Process 350 attached
[pid 350] set_robust_list(0x55557ecb3660, 24) = 0
[pid 350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 350] setpgid(0, 0) = 0
[pid 350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 350] write(3, "1000", 4) = 4
[pid 350] close(3) = 0
executing program
[pid 350] write(1, "executing program\n", 18) = 18
[pid 350] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 350] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 350] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 350] exit_group(0) = ?
[ 32.718041][ T350] ------------[ cut here ]------------
[ 32.723527][ T350] WARNING: CPU: 0 PID: 350 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 32.733415][ T350] Modules linked in:
[ 32.737383][ T350] CPU: 0 UID: 0 PID: 350 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 32.752747][ T350] Tainted: [W]=WARN
[ 32.756558][ T350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 32.766676][ T350] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 32.772630][ T350] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 32.792268][ T350] RSP: 0018:ffffc9000135faa8 EFLAGS: 00010202
[ 32.798391][ T350] RAX: 1ffffd1ffff8115a RBX: ffffc900014a98e8 RCX: ffffffff816dc249
[ 32.806371][ T350] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08ad0
[ 32.814417][ T350] RBP: ffffc9000135fb10 R08: ffffe8ffffc08ad7 R09: 1ffffd1ffff8115a
[ 32.822874][ T350] R10: dffffc0000000000 R11: fffff91ffff8115b R12: dffffc0000000000
[ 32.830909][ T350] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08ad0
[ 32.839050][ T350] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 32.848035][ T350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 32.854639][ T350] CR2: 00007ffe260a0ff8 CR3: 00000001082aa000 CR4: 00000000003526b0
[ 32.862755][ T350] Call Trace:
[ 32.866043][ T350]
[ 32.869020][ T350] kvm_put_kvm+0x1100/0x12b0
[ 32.873918][ T350] ? __cfi_kvm_vm_release+0x10/0x10
[ 32.879268][ T350] kvm_vm_release+0x47/0x70
[ 32.883833][ T350] __fput+0x1fb/0xa00
[ 32.888053][ T350] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 32.893635][ T350] ____fput+0x20/0x30
[ 32.897649][ T350] task_work_run+0x1e0/0x250
[ 32.902259][ T350] ? __cfi_task_work_run+0x10/0x10
[ 32.907405][ T350] ? __kasan_check_write+0x18/0x20
[ 32.912545][ T350] do_exit+0x9bc/0x2630
[ 32.916698][ T350] ? __cfi_do_exit+0x10/0x10
[ 32.921327][ T350] ? __kasan_check_write+0x18/0x20
[ 32.926463][ T350] ? _raw_spin_lock_irq+0x8d/0x120
[ 32.931609][ T350] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 32.937202][ T350] ? zap_other_threads+0x334/0x370
[ 32.942362][ T350] do_group_exit+0x22a/0x300
[ 32.946979][ T350] __x64_sys_exit_group+0x43/0x50
[ 32.952281][ T350] x64_sys_call+0x2ed2/0x2ee0
[ 32.956997][ T350] do_syscall_64+0x58/0xf0
[ 32.961460][ T350] ? clear_bhb_loop+0x50/0xa0
[ 32.966239][ T350] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 32.972173][ T350] RIP: 0033:0x7fe2c59d6bc9
[ 32.976598][ T350] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 32.983641][ T350] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 32.992106][ T350] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 33.000114][ T350] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 33.008142][ T350] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 350] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, 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=0x55557ecb3650) = 351
./strace-static-x86_64: Process 351 attached
[pid 351] set_robust_list(0x55557ecb3660, 24) = 0
[pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 351] setpgid(0, 0) = 0
[pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 351] write(3, "1000", 4) = 4
[pid 351] close(3) = 0
[pid 351] write(1, "executing program\n", 18executing program
) = 18
[pid 351] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 351] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 351] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 351] exit_group(0) = ?
[ 33.016134][ T350] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 33.024266][ T350] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 33.032313][ T350]
[ 33.035348][ T350] ---[ end trace 0000000000000000 ]---
[ 33.068026][ T351] ------------[ cut here ]------------
[ 33.073621][ T351] WARNING: CPU: 0 PID: 351 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 33.083785][ T351] Modules linked in:
[ 33.087829][ T351] CPU: 0 UID: 0 PID: 351 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 33.103443][ T351] Tainted: [W]=WARN
[ 33.107290][ T351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 33.117467][ T351] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 33.123489][ T351] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 33.143307][ T351] RSP: 0018:ffffc900011bfaa8 EFLAGS: 00010202
[ 33.149534][ T351] RAX: 1ffffd1ffff8118a RBX: ffffc900014b48e8 RCX: ffffffff816dc249
[ 33.157547][ T351] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08c50
[ 33.165534][ T351] RBP: ffffc900011bfb10 R08: ffffe8ffffc08c57 R09: 1ffffd1ffff8118a
[ 33.173527][ T351] R10: dffffc0000000000 R11: fffff91ffff8118b R12: dffffc0000000000
[ 33.181629][ T351] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08c50
[ 33.190081][ T351] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 33.199159][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.206032][ T351] CR2: 00007ffe260a0ff8 CR3: 00000001082aa000 CR4: 00000000003526b0
[ 33.214033][ T351] Call Trace:
[ 33.217350][ T351]
[ 33.220374][ T351] kvm_put_kvm+0x1100/0x12b0
[ 33.224992][ T351] ? __cfi_kvm_vm_release+0x10/0x10
[ 33.230306][ T351] kvm_vm_release+0x47/0x70
[ 33.235094][ T351] __fput+0x1fb/0xa00
[ 33.239116][ T351] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 33.244699][ T351] ____fput+0x20/0x30
[ 33.248827][ T351] task_work_run+0x1e0/0x250
[ 33.253442][ T351] ? __cfi_task_work_run+0x10/0x10
[ 33.258649][ T351] ? __kasan_check_write+0x18/0x20
[ 33.263790][ T351] do_exit+0x9bc/0x2630
[ 33.267990][ T351] ? __cfi_do_exit+0x10/0x10
[ 33.272758][ T351] ? __kasan_check_write+0x18/0x20
[ 33.277898][ T351] ? _raw_spin_lock_irq+0x8d/0x120
[ 33.283037][ T351] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 33.288817][ T351] ? zap_other_threads+0x334/0x370
[ 33.294033][ T351] do_group_exit+0x22a/0x300
[ 33.298715][ T351] __x64_sys_exit_group+0x43/0x50
[ 33.303934][ T351] x64_sys_call+0x2ed2/0x2ee0
[ 33.308673][ T351] do_syscall_64+0x58/0xf0
[ 33.313138][ T351] ? clear_bhb_loop+0x50/0xa0
[ 33.317952][ T351] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 33.323881][ T351] RIP: 0033:0x7fe2c59d6bc9
[ 33.328325][ T351] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 33.335358][ T351] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 33.343796][ T351] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 33.351808][ T351] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 33.359834][ T351] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, 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=0x55557ecb3650) = 352
./strace-static-x86_64: Process 352 attached
[pid 352] set_robust_list(0x55557ecb3660, 24) = 0
[pid 352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 352] setpgid(0, 0) = 0
[pid 352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 352] write(3, "1000", 4) = 4
[pid 352] close(3) = 0
[pid 352] write(1, "executing program\n", 18executing program
) = 18
[pid 352] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 352] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 352] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 352] exit_group(0) = ?
[ 33.367845][ T351] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 33.376013][ T351] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 33.384403][ T351]
[ 33.387465][ T351] ---[ end trace 0000000000000000 ]---
[pid 352] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=352, 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=0x55557ecb3650) = 353
./strace-static-x86_64: Process 353 attached
[pid 353] set_robust_list(0x55557ecb3660, 24) = 0
[pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 353] setpgid(0, 0) = 0
[pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 353] write(3, "1000", 4) = 4
[pid 353] close(3) = 0
executing program
[pid 353] write(1, "executing program\n", 18) = 18
[pid 353] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 353] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 353] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 353] exit_group(0) = ?
[pid 353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, 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=0x55557ecb3650) = 354
./strace-static-x86_64: Process 354 attached
[pid 354] set_robust_list(0x55557ecb3660, 24) = 0
[pid 354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 354] setpgid(0, 0) = 0
[pid 354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 354] write(3, "1000", 4) = 4
[pid 354] close(3) = 0
[pid 354] write(1, "executing program\n", 18executing program
) = 18
[pid 354] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 354] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 354] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 354] exit_group(0) = ?
[pid 354] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, 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=0x55557ecb3650) = 355
./strace-static-x86_64: Process 355 attached
[pid 355] set_robust_list(0x55557ecb3660, 24) = 0
[pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 355] setpgid(0, 0) = 0
[pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 355] write(3, "1000", 4) = 4
[pid 355] close(3) = 0
executing program
[pid 355] write(1, "executing program\n", 18) = 18
[pid 355] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 355] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 355] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 355] exit_group(0) = ?
[pid 355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, 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 356 attached
, child_tidptr=0x55557ecb3650) = 356
[pid 356] set_robust_list(0x55557ecb3660, 24) = 0
[pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 356] setpgid(0, 0) = 0
[pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 356] write(3, "1000", 4) = 4
[pid 356] close(3) = 0
executing program
[pid 356] write(1, "executing program\n", 18) = 18
[pid 356] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 356] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 356] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 356] exit_group(0) = ?
[pid 356] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 357 attached
, child_tidptr=0x55557ecb3650) = 357
[pid 357] set_robust_list(0x55557ecb3660, 24) = 0
[pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 357] setpgid(0, 0) = 0
[pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 357] write(3, "1000", 4) = 4
executing program
[pid 357] close(3) = 0
[pid 357] write(1, "executing program\n", 18) = 18
[pid 357] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 357] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 357] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 357] exit_group(0) = ?
[pid 357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, 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=0x55557ecb3650) = 358
./strace-static-x86_64: Process 358 attached
[pid 358] set_robust_list(0x55557ecb3660, 24) = 0
[pid 358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 358] setpgid(0, 0) = 0
[pid 358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 358] write(3, "1000", 4) = 4
[pid 358] close(3) = 0
executing program
[pid 358] write(1, "executing program\n", 18) = 18
[pid 358] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 358] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 358] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 358] exit_group(0) = ?
[pid 358] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, 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=0x55557ecb3650) = 359
./strace-static-x86_64: Process 359 attached
[pid 359] set_robust_list(0x55557ecb3660, 24) = 0
[pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 359] setpgid(0, 0) = 0
[pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 359] write(3, "1000", 4) = 4
[pid 359] close(3) = 0
[pid 359] write(1, "executing program\n", 18executing program
) = 18
[pid 359] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 359] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 359] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 359] exit_group(0) = ?
[pid 359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, 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=0x55557ecb3650) = 360
./strace-static-x86_64: Process 360 attached
[pid 360] set_robust_list(0x55557ecb3660, 24) = 0
[pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 360] setpgid(0, 0) = 0
[pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 360] write(3, "1000", 4) = 4
[pid 360] close(3) = 0
executing program
[pid 360] write(1, "executing program\n", 18) = 18
[pid 360] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 360] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 360] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 360] exit_group(0) = ?
[pid 360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, 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=0x55557ecb3650) = 361
./strace-static-x86_64: Process 361 attached
[pid 361] set_robust_list(0x55557ecb3660, 24) = 0
[pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 361] setpgid(0, 0) = 0
[pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 361] write(3, "1000", 4) = 4
[pid 361] close(3) = 0
[pid 361] write(1, "executing program\n", 18executing program
) = 18
[pid 361] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 361] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 361] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 361] exit_group(0) = ?
[ 33.977969][ T361] ------------[ cut here ]------------
[ 33.983452][ T361] WARNING: CPU: 1 PID: 361 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 33.993226][ T361] Modules linked in:
[ 33.997186][ T361] CPU: 1 UID: 0 PID: 361 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 34.012507][ T361] Tainted: [W]=WARN
[ 34.016333][ T361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 34.026424][ T361] RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0
[ 34.032414][ T361] Code: 00 48 8b 5d a0 74 08 48 89 df e8 12 43 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
[ 34.052101][ T361] RSP: 0018:ffffc9000135faa8 EFLAGS: 00010202
[ 34.058255][ T361] RAX: 1ffffd1ffff811ba RBX: ffffc900015228e8 RCX: ffffffff816dc249
[ 34.066235][ T361] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc08dd0
[ 34.074251][ T361] RBP: ffffc9000135fb10 R08: ffffe8ffffc08dd7 R09: 1ffffd1ffff811ba
[ 34.082252][ T361] R10: dffffc0000000000 R11: fffff91ffff811bb R12: dffffc0000000000
[ 34.090260][ T361] R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc08dd0
[ 34.098353][ T361] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 34.107461][ T361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.114112][ T361] CR2: 00007fe2c5a52110 CR3: 00000001082aa000 CR4: 00000000003526b0
[ 34.122164][ T361] Call Trace:
[ 34.125474][ T361]
[ 34.128474][ T361] kvm_put_kvm+0x1100/0x12b0
[ 34.133100][ T361] ? __cfi_kvm_vm_release+0x10/0x10
[ 34.138339][ T361] kvm_vm_release+0x47/0x70
[ 34.142869][ T361] __fput+0x1fb/0xa00
[ 34.146979][ T361] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 34.152549][ T361] ____fput+0x20/0x30
[ 34.156649][ T361] task_work_run+0x1e0/0x250
[ 34.161285][ T361] ? __cfi_task_work_run+0x10/0x10
[ 34.166426][ T361] ? __kasan_check_write+0x18/0x20
[ 34.171609][ T361] do_exit+0x9bc/0x2630
[ 34.175785][ T361] ? __cfi_do_exit+0x10/0x10
[ 34.180407][ T361] ? __kasan_check_write+0x18/0x20
[ 34.185541][ T361] ? _raw_spin_lock_irq+0x8d/0x120
[ 34.190687][ T361] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 34.196257][ T361] ? zap_other_threads+0x334/0x370
[ 34.201402][ T361] do_group_exit+0x22a/0x300
[ 34.206010][ T361] __x64_sys_exit_group+0x43/0x50
[ 34.211061][ T361] x64_sys_call+0x2ed2/0x2ee0
[ 34.215853][ T361] do_syscall_64+0x58/0xf0
[ 34.220400][ T361] ? clear_bhb_loop+0x50/0xa0
[ 34.225089][ T361] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 34.231145][ T361] RIP: 0033:0x7fe2c59d6bc9
[ 34.235681][ T361] Code: Unable to access opcode bytes at 0x7fe2c59d6b9f.
[ 34.242759][ T361] RSP: 002b:00007ffe260a1b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 34.251245][ T361] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe2c59d6bc9
[ 34.259263][ T361] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[ 34.267449][ T361] RBP: 00007fe2c5a512b0 R08: ffffffffffffffb8 R09: 0000000000000006
[pid 361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, 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 362 attached
, child_tidptr=0x55557ecb3650) = 362
[pid 362] set_robust_list(0x55557ecb3660, 24) = 0
[pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 362] setpgid(0, 0) = 0
[pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 362] write(3, "1000", 4) = 4
[pid 362] close(3) = 0
executing program
[pid 362] write(1, "executing program\n", 18) = 18
[pid 362] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 362] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 362] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 362] exit_group(0) = ?
[ 34.275522][ T361] R10: 0000000000000006 R11: 0000000000000246 R12: 00007fe2c5a512b0
[ 34.283525][ T361] R13: 0000000000000000 R14: 00007fe2c5a51d00 R15: 00007fe2c59a7e00
[ 34.291710][ T361]
[ 34.294773][ T361] ---[ end trace 0000000000000000 ]---
[pid 362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, 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=0x55557ecb3650) = 363
./strace-static-x86_64: Process 363 attached
[pid 363] set_robust_list(0x55557ecb3660, 24) = 0
[pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 363] setpgid(0, 0) = 0
[pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 363] write(3, "1000", 4) = 4
[pid 363] close(3) = 0
executing program
[pid 363] write(1, "executing program\n", 18) = 18
[pid 363] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 363] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 363] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 363] exit_group(0) = ?
[pid 363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, 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=0x55557ecb3650) = 364
./strace-static-x86_64: Process 364 attached
[pid 364] set_robust_list(0x55557ecb3660, 24) = 0
[pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 364] setpgid(0, 0) = 0
[pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 364] write(3, "1000", 4) = 4
[pid 364] close(3) = 0
[pid 364] write(1, "executing program\n", 18) = 18
executing program
[pid 364] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 364] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 364] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 364] exit_group(0) = ?
[pid 364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, 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=0x55557ecb3650) = 365
./strace-static-x86_64: Process 365 attached
[pid 365] set_robust_list(0x55557ecb3660, 24) = 0
[pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 365] setpgid(0, 0) = 0
[pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 365] write(3, "1000", 4) = 4
[pid 365] close(3executing program
) = 0
[pid 365] write(1, "executing program\n", 18) = 18
[pid 365] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 365] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 365] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 365] exit_group(0) = ?
[pid 365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, 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=0x55557ecb3650) = 366
./strace-static-x86_64: Process 366 attached
[pid 366] set_robust_list(0x55557ecb3660, 24) = 0
[pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 366] setpgid(0, 0) = 0
[pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 366] write(3, "1000", 4) = 4
[pid 366] close(3) = 0
executing program
[pid 366] write(1, "executing program\n", 18) = 18
[pid 366] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 366] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 366] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 366] exit_group(0) = ?
[pid 366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, 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=0x55557ecb3650) = 367
./strace-static-x86_64: Process 367 attached
[pid 367] set_robust_list(0x55557ecb3660, 24) = 0
[pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 367] setpgid(0, 0) = 0
[pid 367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 367] write(3, "1000", 4) = 4
[pid 367] close(3executing program
) = 0
[pid 367] write(1, "executing program\n", 18) = 18
[pid 367] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 367] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 367] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 367] exit_group(0) = ?
[pid 367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, 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 368 attached
, child_tidptr=0x55557ecb3650) = 368
[pid 368] set_robust_list(0x55557ecb3660, 24) = 0
[pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 368] setpgid(0, 0) = 0
[pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 368] write(3, "1000", 4) = 4
executing program
[pid 368] close(3) = 0
[pid 368] write(1, "executing program\n", 18) = 18
[pid 368] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 368] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 368] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 368] exit_group(0) = ?
[pid 368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, 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=0x55557ecb3650) = 369
./strace-static-x86_64: Process 369 attached
[pid 369] set_robust_list(0x55557ecb3660, 24) = 0
[pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 369] setpgid(0, 0) = 0
[pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 369] write(3, "1000", 4) = 4
[pid 369] close(3) = 0
[pid 369] write(1, "executing program\n", 18executing program
) = 18
[pid 369] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 369] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 369] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 369] exit_group(0) = ?
[pid 369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, 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=0x55557ecb3650) = 370
./strace-static-x86_64: Process 370 attached
[pid 370] set_robust_list(0x55557ecb3660, 24) = 0
[pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 370] setpgid(0, 0) = 0
[pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 370] write(3, "1000", 4) = 4
[pid 370] close(3) = 0
executing program
[pid 370] write(1, "executing program\n", 18) = 18
[pid 370] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 370] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 370] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 370] exit_group(0) = ?
[pid 370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, 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=0x55557ecb3650) = 371
./strace-static-x86_64: Process 371 attached
[pid 371] set_robust_list(0x55557ecb3660, 24) = 0
[pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 371] setpgid(0, 0) = 0
[pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 371] write(3, "1000", 4) = 4
[pid 371] close(3) = 0
[pid 371] write(1, "executing program\n", 18executing program
) = 18
[pid 371] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3
[pid 371] ioctl(3, KVM_CREATE_VM, 0) = 4
[pid 371] ioctl(4, KVM_REGISTER_COALESCED_MMIO, 0x200000000380) = 0
[pid 371] exit_group(0) = ?
[ 34.877904][ T371] ------------[ cut here ]------------
[ 34.883553][ T371] WARNING: CPU: 0 PID: 371 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0
[ 34.893496][ T371] Modules linked in:
[ 34.897468][ T371] CPU: 0 UID: 0 PID: 371 Comm: syz-executor121 Tainted: G W 6.12.38-syzkaller-g3f3a5c5e782d #0 c9247809a66a5ebb3467d1c2e99b1dedbd707993
[ 34.912793][ T371] Tainted: [W]=WARN
[ 34.916609][ T371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025