./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2029451301 <...> Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts. execve("./syz-executor2029451301", ["./syz-executor2029451301"], 0x7ffc8738a000 /* 10 vars */) = 0 brk(NULL) = 0x555555f6d000 brk(0x555555f6dd00) = 0x555555f6dd00 arch_prctl(ARCH_SET_FS, 0x555555f6d380) = 0 set_tid_address(0x555555f6d650) = 5066 set_robust_list(0x555555f6d660, 24) = 0 rseq(0x555555f6dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2029451301", 4096) = 28 getrandom("\x97\x05\x8a\x26\xf9\x7e\x33\xf5", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555f6dd00 brk(0x555555f8ed00) = 0x555555f8ed00 brk(0x555555f8f000) = 0x555555f8f000 mprotect(0x7ffa1c726000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5067 attached , child_tidptr=0x555555f6d650) = 5067 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] set_robust_list(0x555555f6d660, 24./strace-static-x86_64: Process 5068 attached ) = 0 [pid 5066] <... clone resumed>, child_tidptr=0x555555f6d650) = 5068 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] set_robust_list(0x555555f6d660, 24 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5068] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5070 attached ./strace-static-x86_64: Process 5069 attached [pid 5068] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... clone resumed>, child_tidptr=0x555555f6d650) = 5070 [pid 5070] set_robust_list(0x555555f6d660, 24 [pid 5069] set_robust_list(0x555555f6d660, 24 [pid 5067] <... clone resumed>, child_tidptr=0x555555f6d650) = 5069 ./strace-static-x86_64: Process 5071 attached [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5072 attached [pid 5071] set_robust_list(0x555555f6d660, 24 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... clone resumed>, child_tidptr=0x555555f6d650) = 5071 [pid 5066] <... clone resumed>, child_tidptr=0x555555f6d650) = 5072 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] set_robust_list(0x555555f6d660, 24 [pid 5071] <... set_robust_list resumed>) = 0 [pid 5069] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5073 attached [pid 5072] <... set_robust_list resumed>) = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5069] setpgid(0, 0 [pid 5073] set_robust_list(0x555555f6d660, 24 [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] <... prctl resumed>) = 0 ./strace-static-x86_64: Process 5074 attached [pid 5066] <... clone resumed>, child_tidptr=0x555555f6d650) = 5074 [pid 5073] <... set_robust_list resumed>) = 0 [pid 5071] setpgid(0, 0 [pid 5070] <... clone resumed>, child_tidptr=0x555555f6d650) = 5073 [pid 5069] <... setpgid resumed>) = 0 [pid 5074] set_robust_list(0x555555f6d660, 24 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... setpgid resumed>) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... prctl resumed>) = 0 [pid 5074] <... set_robust_list resumed>) = 0 [pid 5069] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5075 attached [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5073] setpgid(0, 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5075] set_robust_list(0x555555f6d660, 24 [pid 5073] <... setpgid resumed>) = 0 [pid 5072] <... clone resumed>, child_tidptr=0x555555f6d650) = 5075 [pid 5071] <... openat resumed>) = 3 [pid 5069] write(3, "1000", 4 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] <... write resumed>) = 4 ./strace-static-x86_64: Process 5076 attached [pid 5076] set_robust_list(0x555555f6d660, 24 [pid 5073] <... openat resumed>) = 3 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5074] <... clone resumed>, child_tidptr=0x555555f6d650) = 5076 [pid 5073] write(3, "1000", 4 [pid 5071] write(3, "1000", 4 [pid 5069] close(3 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5071] <... write resumed>) = 4 [pid 5069] <... close resumed>) = 0 [pid 5076] <... prctl resumed>) = 0 [pid 5073] <... write resumed>) = 4 [pid 5069] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=2, max_entries=4, map_flags=BPF_F_NO_PREALLOC|BPF_F_NUMA_NODE, inner_map_fd=-1, numa_node=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] setpgid(0, 0 [pid 5075] <... prctl resumed>) = 0 [pid 5073] close(3 [pid 5071] close(3 [pid 5076] <... setpgid resumed>) = 0 [pid 5075] setpgid(0, 0 [pid 5073] <... close resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5069] <... bpf resumed>) = 3 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... setpgid resumed>) = 0 [pid 5073] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=2, max_entries=4, map_flags=BPF_F_NO_PREALLOC|BPF_F_NUMA_NODE, inner_map_fd=-1, numa_node=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5071] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=2, max_entries=4, map_flags=BPF_F_NO_PREALLOC|BPF_F_NUMA_NODE, inner_map_fd=-1, numa_node=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... bpf resumed>) = 3 [pid 5069] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5069] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5076] <... openat resumed>) = 3 [pid 5075] <... openat resumed>) = 3 [pid 5073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5071] <... bpf resumed>) = 3 [pid 5076] write(3, "1000", 4 [pid 5075] write(3, "1000", 4 [pid 5073] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5069] <... bpf resumed>) = 4 [pid 5076] <... write resumed>) = 4 [pid 5075] <... write resumed>) = 4 [pid 5073] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5071] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5076] close(3 [pid 5075] close(3 [pid 5069] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5076] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5073] <... bpf resumed>) = 4 [pid 5071] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5076] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=2, max_entries=4, map_flags=BPF_F_NO_PREALLOC|BPF_F_NUMA_NODE, inner_map_fd=-1, numa_node=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5075] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=5, value_size=2, max_entries=4, map_flags=BPF_F_NO_PREALLOC|BPF_F_NUMA_NODE, inner_map_fd=-1, numa_node=0, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72 [pid 5076] <... bpf resumed>) = 3 [pid 5073] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5069] <... bpf resumed>) = 5 [pid 5076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... bpf resumed>) = 3 [pid 5071] <... bpf resumed>) = 4 [pid 5076] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_UNSPEC, insn_cnt=12, insns=0x20000440, license=NULL, log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] <... bpf resumed>) = 5 [pid 5071] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5069] perf_event_open( [pid 5076] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5075] <... bpf resumed>) = -1 EFAULT (Bad address) [pid 5075] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=12, insns=0x20000440, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144 [pid 5073] perf_event_open( [pid 5071] <... bpf resumed>) = 5 [pid 5075] <... bpf resumed>) = 4 [pid 5076] <... bpf resumed>) = 4 [pid 5071] perf_event_open( [pid 5076] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16 [pid 5075] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="contention_begin", prog_fd=4}}, 16) = 5 [pid 5076] <... bpf resumed>) = 5 [pid 5075] perf_event_open( [pid 5076] perf_event_open( [pid 5069] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=425, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5076] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=425, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5075] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=425, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5075] exit_group(0 [pid 5076] exit_group(0) = ? [pid 5075] <... exit_group resumed>) = ? [pid 5069] exit_group(0 [pid 5076] +++ exited with 0 +++ [pid 5075] +++ exited with 0 +++ [pid 5074] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5069] <... exit_group resumed>) = ? [pid 5072] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5069] +++ exited with 0 +++ [pid 5072] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5067] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5074] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5079 attached ./strace-static-x86_64: Process 5078 attached ./strace-static-x86_64: Process 5077 attached [pid 5074] <... clone resumed>, child_tidptr=0x555555f6d650) = 5077 [pid 5073] <... perf_event_open resumed>{type=PERF_TYPE_TRACEPOINT, size=PERF_ATTR_SIZE_VER7, config=425, sample_period=0, sample_type=0, read_format=0, precise_ip=0 /* arbitrary skid */, ...}, 0, 0, -1, 0) = 6 [pid 5072] <... clone resumed>, child_tidptr=0x555555f6d650) = 5078 [pid 5067] <... clone resumed>, child_tidptr=0x555555f6d650) = 5079 [pid 5079] set_robust_list(0x555555f6d660, 24 [pid 5078] set_robust_list(0x555555f6d660, 24 [pid 5077] set_robust_list(0x555555f6d660, 24 [pid 5073] exit_group(0 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] <... set_robust_list resumed>) = 0 [ 67.818895][ T5071] [ 67.821285][ T5071] ============================================ [ 67.827534][ T5071] WARNING: possible recursive locking detected [ 67.833705][ T5071] 6.8.0-syzkaller-05243-g14bb1e8c8d4a #0 Not tainted [ 67.840480][ T5071] -------------------------------------------- [ 67.847149][ T5071] syz-executor202/5071 is trying to acquire lock: [ 67.853575][ T5071] ffff888029ce79f8 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x96/0x6a0 [ 67.862986][ T5071] [ 67.862986][ T5071] but task is already holding lock: [ 67.870355][ T5071] ffff8880229b29f8 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x96/0x6a0 [ 67.879235][ T5071] [ 67.879235][ T5071] other info that might help us debug this: [ 67.887409][ T5071] Possible unsafe locking scenario: [ 67.887409][ T5071] [ 67.894926][ T5071] CPU0 [ 67.898222][ T5071] ---- [ 67.901580][ T5071] lock(&trie->lock); [ 67.905641][ T5071] lock(&trie->lock); [ 67.909733][ T5071] [ 67.909733][ T5071] *** DEADLOCK *** [ 67.909733][ T5071] [ 67.917877][ T5071] May be due to missing lock nesting notation [ 67.917877][ T5071] [ 67.926299][ T5071] 5 locks held by syz-executor202/5071: [ 67.931840][ T5071] #0: ffff888022adb520 (&sig->exec_update_lock){++++}-{3:3}, at: __se_sys_perf_event_open+0xe6d/0x38d0 [ 67.943154][ T5071] #1: ffff888024cd5088 (&child->perf_event_mutex){+.+.}-{3:3}, at: find_get_context+0x11c/0x5f0 [ 67.953987][ T5071] #2: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x1fc/0x530 [ 67.963384][ T5071] #3: ffff8880229b29f8 (&trie->lock){....}-{2:2}, at: trie_delete_elem+0x96/0x6a0 [ 67.972689][ T5071] #4: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x1fc/0x530 [ 67.982282][ T5071] [ 67.982282][ T5071] stack backtrace: [ 67.988245][ T5071] CPU: 0 PID: 5071 Comm: syz-executor202 Not tainted 6.8.0-syzkaller-05243-g14bb1e8c8d4a #0 [ 67.998310][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 68.008514][ T5071] Call Trace: [ 68.011855][ T5071] [ 68.014799][ T5071] dump_stack_lvl+0x1e7/0x2e0 [ 68.019984][ T5071] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.025204][ T5071] ? print_deadlock_bug+0x479/0x620 [ 68.030648][ T5071] ? _find_first_zero_bit+0xd4/0x100 [ 68.035949][ T5071] validate_chain+0x15c1/0x58e0 [ 68.041443][ T5071] ? __pfx_lock_release+0x10/0x10 [ 68.046477][ T5071] ? trie_delete_elem+0x53d/0x6a0 [ 68.051682][ T5071] ? rcu_read_lock_sched_held+0x8d/0x130 [ 68.057376][ T5071] ? __pfx_validate_chain+0x10/0x10 [ 68.062595][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.067457][ T5071] ? bpf_trace_run2+0x36e/0x530 [ 68.072313][ T5071] ? __pfx_bpf_trace_run2+0x10/0x10 [ 68.077706][ T5071] ? do_raw_spin_lock+0x14f/0x370 [ 68.082878][ T5071] ? __pfx_lock_release+0x10/0x10 [ 68.088012][ T5071] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 68.094778][ T5071] ? __pfx_validate_chain+0x10/0x10 [ 68.099970][ T5071] ? mark_lock+0x9a/0x350 [ 68.104390][ T5071] __lock_acquire+0x1346/0x1fd0 [ 68.109281][ T5071] lock_acquire+0x1e4/0x530 [ 68.113783][ T5071] ? trie_delete_elem+0x96/0x6a0 [ 68.119068][ T5071] ? __pfx_lock_acquire+0x10/0x10 [ 68.124213][ T5071] ? __lock_acquire+0x1346/0x1fd0 [ 68.129402][ T5071] _raw_spin_lock_irqsave+0xd5/0x120 [ 68.134855][ T5071] ? trie_delete_elem+0x96/0x6a0 [ 68.139866][ T5071] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 68.145749][ T5071] ? __pfx_lock_acquire+0x10/0x10 [ 68.150937][ T5071] ? __pfx_validate_chain+0x10/0x10 [ 68.156312][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.161269][ T5071] trie_delete_elem+0x96/0x6a0 [ 68.166236][ T5071] ? __pfx___cant_migrate+0x10/0x10 [ 68.171455][ T5071] ? __pfx_stack_trace_save+0x10/0x10 [ 68.176886][ T5071] ? check_noncircular+0x259/0x4a0 [ 68.182069][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.186944][ T5071] ? bpf_trace_run2+0x2ec/0x530 [ 68.191892][ T5071] ? __pfx_bpf_trace_run2+0x10/0x10 [ 68.197303][ T5071] ? __pfx_validate_chain+0x10/0x10 [ 68.202527][ T5071] ? mark_lock+0x9a/0x350 [ 68.207223][ T5071] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 68.213654][ T5071] ? __traceiter_contention_begin+0x7b/0xb0 [ 68.219566][ T5071] ? trace_contention_begin+0xf9/0x120 [ 68.225148][ T5071] ? __pv_queued_spin_lock_slowpath+0x115/0xc60 [ 68.231397][ T5071] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 68.238043][ T5071] ? queued_spin_lock_slowpath+0x42/0x50 [ 68.243798][ T5071] ? do_raw_spin_lock+0x272/0x370 [ 68.248842][ T5071] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 68.254216][ T5071] ? _raw_spin_lock_irqsave+0xe1/0x120 [ 68.259676][ T5071] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 68.265585][ T5071] ? __pfx_lock_acquire+0x10/0x10 [ 68.270605][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.275477][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.280320][ T5071] ? trie_delete_elem+0x96/0x6a0 [ 68.285339][ T5071] ? __pfx___cant_migrate+0x10/0x10 [ 68.290555][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.295411][ T5071] ? bpf_prog_2c29ac5cdc6b1842+0x42/0x46 [ 68.301123][ T5071] ? bpf_trace_run2+0x2ec/0x530 [ 68.305973][ T5071] ? __pfx_bpf_trace_run2+0x10/0x10 [ 68.311167][ T5071] ? __pfx___might_resched+0x10/0x10 [ 68.316616][ T5071] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 68.323027][ T5071] ? __traceiter_contention_begin+0x7b/0xb0 [ 68.328910][ T5071] ? trace_contention_begin+0xd7/0x100 [ 68.334395][ T5071] ? __mutex_lock+0x147/0xd70 [ 68.339138][ T5071] ? lockdep_init_map_type+0xa1/0x910 [ 68.344525][ T5071] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 68.350353][ T5071] ? find_get_context+0x11c/0x5f0 [ 68.355474][ T5071] ? __pfx___mutex_lock+0x10/0x10 [ 68.360551][ T5071] ? alloc_perf_context+0x1ac/0x230 [ 68.365824][ T5071] ? find_get_context+0x11c/0x5f0 [ 68.370870][ T5071] ? __pfx_find_get_context+0x10/0x10 [ 68.376253][ T5071] ? bpf_lsm_capable+0x9/0x10 [ 68.380979][ T5071] ? security_capable+0x90/0xb0 [ 68.385824][ T5071] ? __se_sys_perf_event_open+0x13d5/0x38d0 [ 68.391746][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.398198][ T5071] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.403516][ T5071] ? __pfx___se_sys_perf_event_open+0x10/0x10 [ 68.409668][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.416037][ T5071] ? do_syscall_64+0x10a/0x240 [ 68.420806][ T5071] ? __x64_sys_perf_event_open+0x20/0xc0 [ 68.426496][ T5071] ? do_syscall_64+0xfb/0x240 [ 68.431369][ T5071] ? entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 68.437723][ T5071] [ 68.440767][ T5071] ================================================================== [ 68.448939][ T5071] BUG: KASAN: slab-use-after-free in bpf_trace_run2+0xfa/0x530 [ 68.456572][ T5071] Read of size 8 at addr ffff88802bb17c18 by task syz-executor202/5071 [ 68.464805][ T5071] [ 68.467131][ T5071] CPU: 0 PID: 5071 Comm: syz-executor202 Not tainted 6.8.0-syzkaller-05243-g14bb1e8c8d4a #0 [ 68.477205][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 68.487264][ T5071] Call Trace: [ 68.490631][ T5071] [ 68.493569][ T5071] dump_stack_lvl+0x1e7/0x2e0 [ 68.498269][ T5071] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.503894][ T5071] ? __pfx__printk+0x10/0x10 [ 68.508516][ T5071] ? _printk+0xd5/0x120 [ 68.512671][ T5071] ? __virt_addr_valid+0x183/0x520 [ 68.517952][ T5071] ? __virt_addr_valid+0x183/0x520 [ 68.523058][ T5071] print_report+0x169/0x550 [ 68.527561][ T5071] ? __virt_addr_valid+0x183/0x520 [ 68.532786][ T5071] ? __virt_addr_valid+0x183/0x520 [ 68.537883][ T5071] ? __virt_addr_valid+0x44e/0x520 [ 68.542994][ T5071] ? __phys_addr+0xba/0x170 [ 68.547523][ T5071] ? bpf_trace_run2+0xfa/0x530 [ 68.552378][ T5071] kasan_report+0x143/0x180 [ 68.556926][ T5071] ? bpf_trace_run2+0xfa/0x530 [ 68.561687][ T5071] bpf_trace_run2+0xfa/0x530 [ 68.566286][ T5071] ? __pfx_bpf_trace_run2+0x10/0x10 [ 68.571470][ T5071] ? __pfx_validate_chain+0x10/0x10 [ 68.576777][ T5071] ? mark_lock+0x9a/0x350 [ 68.581198][ T5071] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 68.587621][ T5071] __traceiter_contention_begin+0x7b/0xb0 [ 68.593528][ T5071] trace_contention_begin+0xf9/0x120 [ 68.598846][ T5071] __pv_queued_spin_lock_slowpath+0x115/0xc60 [ 68.605053][ T5071] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 68.611673][ T5071] queued_spin_lock_slowpath+0x42/0x50 [ 68.617242][ T5071] do_raw_spin_lock+0x272/0x370 [ 68.622093][ T5071] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 68.627473][ T5071] _raw_spin_lock_irqsave+0xe1/0x120 [ 68.632749][ T5071] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 68.638642][ T5071] ? __pfx_lock_acquire+0x10/0x10 [ 68.643769][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.648719][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.653579][ T5071] trie_delete_elem+0x96/0x6a0 [ 68.658455][ T5071] ? __pfx___cant_migrate+0x10/0x10 [ 68.663835][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 68.668835][ T5071] bpf_prog_2c29ac5cdc6b1842+0x42/0x46 [ 68.674521][ T5071] bpf_trace_run2+0x2ec/0x530 [ 68.679390][ T5071] ? __pfx_bpf_trace_run2+0x10/0x10 [ 68.684691][ T5071] ? __pfx___might_resched+0x10/0x10 [ 68.689993][ T5071] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 68.696499][ T5071] __traceiter_contention_begin+0x7b/0xb0 [ 68.702252][ T5071] trace_contention_begin+0xd7/0x100 [ 68.707551][ T5071] __mutex_lock+0x147/0xd70 [ 68.712166][ T5071] ? lockdep_init_map_type+0xa1/0x910 [ 68.717654][ T5071] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 68.723448][ T5071] ? find_get_context+0x11c/0x5f0 [ 68.728663][ T5071] ? __pfx___mutex_lock+0x10/0x10 [ 68.733818][ T5071] ? alloc_perf_context+0x1ac/0x230 [ 68.739029][ T5071] find_get_context+0x11c/0x5f0 [ 68.744024][ T5071] ? __pfx_find_get_context+0x10/0x10 [ 68.749486][ T5071] ? bpf_lsm_capable+0x9/0x10 [ 68.754184][ T5071] ? security_capable+0x90/0xb0 [ 68.759040][ T5071] __se_sys_perf_event_open+0x13d5/0x38d0 [ 68.764776][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.771192][ T5071] ? _raw_spin_unlock_irq+0x23/0x50 [ 68.776406][ T5071] ? __pfx___se_sys_perf_event_open+0x10/0x10 [ 68.782595][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 68.789031][ T5071] ? do_syscall_64+0x10a/0x240 [ 68.793872][ T5071] ? __x64_sys_perf_event_open+0x20/0xc0 [ 68.799527][ T5071] do_syscall_64+0xfb/0x240 [ 68.804032][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 68.810041][ T5071] RIP: 0033:0x7ffa1c6b3069 [ 68.814493][ T5071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.834115][ T5071] RSP: 002b:00007ffcda6a4408 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 68.842552][ T5071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa1c6b3069 [ 68.850543][ T5071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 [ 68.858505][ T5071] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0 [ 68.866486][ T5071] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 [ 68.874504][ T5071] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 68.882514][ T5071] [ 68.885585][ T5071] [ 68.887926][ T5071] Allocated by task 5075: [ 68.892335][ T5071] kasan_save_track+0x3f/0x80 [ 68.897003][ T5071] __kasan_kmalloc+0x98/0xb0 [ 68.901676][ T5071] kmalloc_trace+0x1d9/0x360 [ 68.906260][ T5071] bpf_raw_tp_link_attach+0x2a0/0x6e0 [ 68.911631][ T5071] bpf_raw_tracepoint_open+0x1c2/0x240 [ 68.917192][ T5071] __sys_bpf+0x3c0/0x810 [ 68.921429][ T5071] __x64_sys_bpf+0x7c/0x90 [ 68.925836][ T5071] do_syscall_64+0xfb/0x240 [ 68.930332][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 68.936347][ T5071] [ 68.938669][ T5071] Freed by task 5075: [ 68.942666][ T5071] kasan_save_track+0x3f/0x80 [ 68.947356][ T5071] kasan_save_free_info+0x40/0x50 [ 68.952457][ T5071] poison_slab_object+0xa6/0xe0 [ 68.957297][ T5071] __kasan_slab_free+0x37/0x60 [ 68.962096][ T5071] kfree+0x14a/0x380 [ 68.965996][ T5071] bpf_link_release+0x3b/0x50 [ 68.970662][ T5071] __fput+0x429/0x8a0 [ 68.974731][ T5071] task_work_run+0x24f/0x310 [ 68.979462][ T5071] do_exit+0xa1b/0x27e0 [ 68.983705][ T5071] do_group_exit+0x207/0x2c0 [ 68.988291][ T5071] __x64_sys_exit_group+0x3f/0x40 [ 68.993303][ T5071] do_syscall_64+0xfb/0x240 [ 68.997900][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 69.003820][ T5071] [ 69.006218][ T5071] The buggy address belongs to the object at ffff88802bb17c00 [ 69.006218][ T5071] which belongs to the cache kmalloc-128 of size 128 [ 69.020460][ T5071] The buggy address is located 24 bytes inside of [ 69.020460][ T5071] freed 128-byte region [ffff88802bb17c00, ffff88802bb17c80) [ 69.034633][ T5071] [ 69.037083][ T5071] The buggy address belongs to the physical page: [ 69.043518][ T5071] page:ffffea0000aec5c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2bb17 [ 69.053764][ T5071] flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff) [ 69.061316][ T5071] page_type: 0xffffffff() [ 69.065681][ T5071] raw: 00fff00000000800 ffff888014c418c0 ffffea00008d1400 0000000000000002 [ 69.074268][ T5071] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 69.082859][ T5071] page dumped because: kasan: bad access detected [ 69.089282][ T5071] page_owner tracks the page as allocated [ 69.095025][ T5071] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 4522, tgid 4522 (udevd), ts 35854687295, free_ts 35329759063 [ 69.114765][ T5071] post_alloc_hook+0x1ea/0x210 [ 69.119555][ T5071] get_page_from_freelist+0x33ea/0x3580 [ 69.125304][ T5071] __alloc_pages+0x256/0x680 [ 69.129956][ T5071] alloc_slab_page+0x5f/0x160 [ 69.134687][ T5071] new_slab+0x84/0x2f0 [ 69.138781][ T5071] ___slab_alloc+0xd1b/0x13e0 [ 69.143488][ T5071] kmalloc_trace+0x267/0x360 [ 69.148163][ T5071] kernfs_fop_open+0x803/0xcd0 [ 69.152924][ T5071] do_dentry_open+0x907/0x15a0 [ 69.157763][ T5071] path_openat+0x2860/0x3240 [ 69.162435][ T5071] do_filp_open+0x235/0x490 [ 69.167128][ T5071] do_sys_openat2+0x13e/0x1d0 [ 69.172075][ T5071] __x64_sys_openat+0x247/0x2a0 [ 69.177155][ T5071] do_syscall_64+0xfb/0x240 [ 69.181711][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 69.188249][ T5071] page last free pid 4526 tgid 4526 stack trace: [ 69.194832][ T5071] free_unref_page_prepare+0x968/0xa90 [ 69.200383][ T5071] free_unref_page+0x37/0x3f0 [ 69.205197][ T5071] __put_partials+0xeb/0x130 [ 69.210243][ T5071] put_cpu_partial+0x17c/0x250 [ 69.215383][ T5071] __slab_free+0x302/0x410 [ 69.219812][ T5071] qlist_free_all+0x5e/0xc0 [ 69.224606][ T5071] kasan_quarantine_reduce+0x14f/0x170 [ 69.230059][ T5071] __kasan_slab_alloc+0x23/0x80 [ 69.235032][ T5071] __kmalloc_node_track_caller+0x1fb/0x4e0 [ 69.240860][ T5071] kmalloc_reserve+0x111/0x2a0 [ 69.245622][ T5071] __alloc_skb+0x1f3/0x440 [ 69.250112][ T5071] alloc_skb_with_frags+0xc3/0x770 [ 69.255311][ T5071] sock_alloc_send_pskb+0x91a/0xa60 [ 69.260501][ T5071] unix_dgram_sendmsg+0x6d3/0x1f80 [ 69.265626][ T5071] __sock_sendmsg+0x221/0x270 [ 69.270396][ T5071] sock_write_iter+0x2dd/0x400 [ 69.275252][ T5071] [ 69.277597][ T5071] Memory state around the buggy address: [ 69.283216][ T5071] ffff88802bb17b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.291273][ T5071] ffff88802bb17b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 69.299415][ T5071] >ffff88802bb17c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 69.307486][ T5071] ^ [ 69.312351][ T5071] ffff88802bb17c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 69.320429][ T5071] ffff88802bb17d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 05 fc [ 69.328481][ T5071] ================================================================== [ 69.336799][ T5071] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 69.343997][ T5071] CPU: 0 PID: 5071 Comm: syz-executor202 Not tainted 6.8.0-syzkaller-05243-g14bb1e8c8d4a #0 [ 69.354851][ T5071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 69.364898][ T5071] Call Trace: [ 69.368170][ T5071] [ 69.371098][ T5071] dump_stack_lvl+0x1e7/0x2e0 [ 69.375769][ T5071] ? __pfx_dump_stack_lvl+0x10/0x10 [ 69.380963][ T5071] ? __pfx__printk+0x10/0x10 [ 69.385573][ T5071] ? rcu_is_watching+0x15/0xb0 [ 69.390415][ T5071] ? lock_release+0xbf/0x9d0 [ 69.394998][ T5071] ? vscnprintf+0x5d/0x90 [ 69.399348][ T5071] panic+0x349/0x860 [ 69.403407][ T5071] ? check_panic_on_warn+0x21/0xb0 [ 69.408927][ T5071] ? __pfx_panic+0x10/0x10 [ 69.413559][ T5071] ? do_raw_spin_unlock+0x13c/0x8b0 [ 69.419296][ T5071] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 69.425195][ T5071] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 69.431523][ T5071] ? print_report+0x502/0x550 [ 69.436296][ T5071] check_panic_on_warn+0x86/0xb0 [ 69.441335][ T5071] ? bpf_trace_run2+0xfa/0x530 [ 69.446180][ T5071] end_report+0x6e/0x140 [ 69.450512][ T5071] kasan_report+0x154/0x180 [ 69.455038][ T5071] ? bpf_trace_run2+0xfa/0x530 [ 69.459818][ T5071] bpf_trace_run2+0xfa/0x530 [ 69.464457][ T5071] ? __pfx_bpf_trace_run2+0x10/0x10 [ 69.469747][ T5071] ? __pfx_validate_chain+0x10/0x10 [ 69.474965][ T5071] ? mark_lock+0x9a/0x350 [ 69.479299][ T5071] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 69.485902][ T5071] __traceiter_contention_begin+0x7b/0xb0 [ 69.491654][ T5071] trace_contention_begin+0xf9/0x120 [ 69.497749][ T5071] __pv_queued_spin_lock_slowpath+0x115/0xc60 [ 69.503936][ T5071] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 69.511013][ T5071] queued_spin_lock_slowpath+0x42/0x50 [ 69.516669][ T5071] do_raw_spin_lock+0x272/0x370 [ 69.521544][ T5071] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 69.526964][ T5071] _raw_spin_lock_irqsave+0xe1/0x120 [ 69.532263][ T5071] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 69.538172][ T5071] ? __pfx_lock_acquire+0x10/0x10 [ 69.543726][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 69.549111][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 69.553967][ T5071] trie_delete_elem+0x96/0x6a0 [ 69.558936][ T5071] ? __pfx___cant_migrate+0x10/0x10 [ 69.564165][ T5071] ? bpf_trace_run2+0x1fc/0x530 [ 69.569045][ T5071] bpf_prog_2c29ac5cdc6b1842+0x42/0x46 [ 69.574708][ T5071] bpf_trace_run2+0x2ec/0x530 [ 69.579389][ T5071] ? __pfx_bpf_trace_run2+0x10/0x10 [ 69.584690][ T5071] ? __pfx___might_resched+0x10/0x10 [ 69.590245][ T5071] ? __pfx___bpf_trace_contention_begin+0x10/0x10 [ 69.597207][ T5071] __traceiter_contention_begin+0x7b/0xb0 [ 69.603134][ T5071] trace_contention_begin+0xd7/0x100 [ 69.608410][ T5071] __mutex_lock+0x147/0xd70 [ 69.613216][ T5071] ? lockdep_init_map_type+0xa1/0x910 [ 69.621218][ T5071] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 69.627567][ T5071] ? find_get_context+0x11c/0x5f0 [ 69.632698][ T5071] ? __pfx___mutex_lock+0x10/0x10 [ 69.637936][ T5071] ? alloc_perf_context+0x1ac/0x230 [ 69.643328][ T5071] find_get_context+0x11c/0x5f0 [ 69.648244][ T5071] ? __pfx_find_get_context+0x10/0x10 [ 69.653667][ T5071] ? bpf_lsm_capable+0x9/0x10 [ 69.658447][ T5071] ? security_capable+0x90/0xb0 [ 69.663297][ T5071] __se_sys_perf_event_open+0x13d5/0x38d0 [ 69.669023][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.675375][ T5071] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.680858][ T5071] ? __pfx___se_sys_perf_event_open+0x10/0x10 [ 69.686963][ T5071] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 69.694008][ T5071] ? do_syscall_64+0x10a/0x240 [ 69.698839][ T5071] ? __x64_sys_perf_event_open+0x20/0xc0 [ 69.704585][ T5071] do_syscall_64+0xfb/0x240 [ 69.709088][ T5071] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 69.715225][ T5071] RIP: 0033:0x7ffa1c6b3069 [ 69.719874][ T5071] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 69.740018][ T5071] RSP: 002b:00007ffcda6a4408 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 69.748865][ T5071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa1c6b3069 [ 69.757098][ T5071] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 [ 69.765065][ T5071] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000a0 [ 69.773027][ T5071] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 [ 69.781190][ T5071] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 69.789802][ T5071] [ 69.793485][ T5071] Kernel Offset: disabled [ 69.797988][ T5071] Rebooting in 86400 seconds..