./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3763288449

<...>
Warning: Permanently added '10.128.0.187' (ECDSA) to the list of known hosts.
execve("./syz-executor3763288449", ["./syz-executor3763288449"], 0x7ffcd33f1f70 /* 10 vars */) = 0
brk(NULL)                               = 0x555555b57000
brk(0x555555b57c40)                     = 0x555555b57c40
arch_prctl(ARCH_SET_FS, 0x555555b57300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3763288449", 4096) = 28
brk(0x555555b78c40)                     = 0x555555b78c40
brk(0x555555b79000)                     = 0x555555b79000
mprotect(0x7f7ac6036000, 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
mkdir("/syzcgroup", 0777)               = 0
mkdir("/syzcgroup/unified", 0777)       = 0
mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0
chmod("/syzcgroup/unified", 0777)       = 0
openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3
write(3, "+cpu", 4)                     = 4
write(3, "+memory", 7)                  = 7
write(3, "+io", 3)                      = 3
write(3, "+pids", 5)                    = 5
close(3)                                = 0
mkdir("/syzcgroup/net", 0777)           = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0
umount2("/syzcgroup/net", 0)            = 0
[   48.231076][ T3607] cgroup: Unknown subsys name 'net'
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0
chmod("/syzcgroup/net", 0777)           = 0
mkdir("/syzcgroup/cpu", 0777)           = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted)
[   48.337246][ T3607] cgroup: Unknown subsys name 'rlimit'
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,hugetlb") = 0
chmod("/syzcgroup/cpu", 0777)           = 0
openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1)                        = 1
close(3)                                = 0
getpid()                                = 3607
mkdir("./syzkaller.JCdB2X", 0700)       = 0
chmod("./syzkaller.JCdB2X", 0777)       = 0
chdir("./syzkaller.JCdB2X")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3608 attached
, child_tidptr=0x555555b575d0) = 3608
[pid  3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3608] setsid()                    = 1
[pid  3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0
[pid  3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  3608] unshare(CLONE_NEWNS)        = 0
[pid  3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  3608] unshare(CLONE_NEWIPC)       = 0
[pid  3608] unshare(CLONE_NEWCGROUP)    = 0
[pid  3608] unshare(CLONE_NEWUTS)       = 0
[pid  3608] unshare(CLONE_SYSVSEM)      = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "16777216", 8)     = 8
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "536870912", 9)    = 9
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "8192", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024", 4)         = 4
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1024 1048576 500 1024", 21) = 21
[pid  3608] close(3)                    = 0
[pid  3608] getpid()                    = 1
[pid  3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  3608] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  3608] unshare(CLONE_NEWNET)       = 0
[pid  3608] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "0 65535", 7)      = 7
[pid  3608] close(3)                    = 0
[pid  3608] mkdir("/dev/binderfs", 0777) = 0
[pid  3608] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  3608] getpid()                    = 1
[pid  3608] mkdir("/syzcgroup/unified/syz0", 0777) = 0
[pid  3608] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "32", 2)           = 2
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.low", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "312475648", 9)    = 9
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.high", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "313524224", 9)    = 9
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/syzcgroup/unified/syz0/memory.max", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "314572800", 9)    = 9
[pid  3608] close(3)                    = 0
[pid  3608] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1", 1)            = 1
[pid  3608] close(3)                    = 0
[pid  3608] mkdir("/syzcgroup/cpu/syz0", 0777) = 0
[pid  3608] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1", 1)            = 1
[pid  3608] close(3)                    = 0
[pid  3608] mkdir("/syzcgroup/net/syz0", 0777) = 0
[pid  3608] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid  3608] write(3, "1", 1)            = 1
[pid  3608] close(3)                    = 0
[pid  3608] mkdir("./0", 0777)          = 0
[pid  3608] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b575d0) = 2
./strace-static-x86_64: Process 3609 attached
[pid  3609] chdir("./0")                = 0
[pid  3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3609] setpgid(0, 0)               = 0
[pid  3609] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid  3609] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid  3609] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid  3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  3609] write(3, "1000", 4)         = 4
[pid  3609] close(3)                    = 0
[pid  3609] symlink("/dev/binderfs", "./binderfs") = 0
[pid  3609] openat(AT_FDCWD, "/sys/kernel/debug/sync/sw_sync", O_RDONLY) = 3
[pid  3609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SYSCTL, insn_cnt=3, insns=0x20000180, 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=0, 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}, 120) = 4
[pid  3609] openat(AT_FDCWD, "./cgroup", O_RDONLY) = 5
[pid  3609] bpf(BPF_LINK_CREATE, {link_create={prog_fd=4, target_fd=5, attach_type=BPF_CGROUP_SYSCTL, flags=0}}, 16) = 6
[pid  3609] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_CGROUP_SYSCTL, insn_cnt=3, insns=0x20000240, 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=0, 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}, 128) = 7
[pid  3609] openat(AT_FDCWD, "./cgroup", O_RDONLY) = 8
[pid  3609] bpf(BPF_LINK_CREATE, {link_create={prog_fd=7, target_fd=8, attach_type=BPF_CGROUP_SYSCTL, flags=0}}, 16) = 9
[pid  3609] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 10
[pid  3609] write(10, "1", 1)           = 1
[   48.548803][ T3609] ------------[ cut here ]------------
[   48.554456][ T3609] WARNING: CPU: 0 PID: 3609 at kernel/bpf/cgroup.c:939 bpf_cgroup_link_release+0x157/0x1b0
[   48.564971][ T3609] Modules linked in:
[   48.569132][ T3609] CPU: 0 PID: 3609 Comm: syz-executor376 Not tainted 5.19.0-rc3-syzkaller-00279-g8c23f235a6a8 #0
[   48.579714][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   48.589919][ T3609] RIP: 0010:bpf_cgroup_link_release+0x157/0x1b0
[   48.596215][ T3609] Code: 15 de ff 48 c7 c7 80 5c b4 8c 5b 41 5c 41 5e 41 5f 5d e9 ec 83 89 08 e8 f7 14 de ff 5b 41 5c 41 5e 41 5f 5d c3 e8 e9 14 de ff <0f> 0b 42 80 7c 25 00 00 0f 85 4e ff ff ff e9 51 ff ff ff 89 f9 80
[   48.616102][ T3609] RSP: 0018:ffffc9000308fcc8 EFLAGS: 00010293
[   48.622225][ T3609] RAX: ffffffff81a96937 RBX: ffff888016e3b768 RCX: ffff88807de58000
[   48.630553][ T3609] RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
[   48.638595][ T3609] RBP: 1ffff11002dc76ed R08: ffffffff81a9687d R09: fffffbfff1980e0b
[   48.646888][ T3609] R10: fffffbfff1980e0b R11: 1ffffffff1980e0a R12: dffffc0000000000
[   48.654881][ T3609] R13: ffffffff8a967be0 R14: 00000000fffffff4 R15: ffff8880774c8000
[   48.663069][ T3609] FS:  0000555555b57300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[   48.672185][ T3609] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.679165][ T3609] CR2: 00000000015be408 CR3: 000000001d753000 CR4: 00000000003506f0
[   48.687430][ T3609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.695406][ T3609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.703637][ T3609] Call Trace:
[   48.707133][ T3609]  <TASK>
[   48.710076][ T3609]  ? local_lock_release+0x170/0x170
[   48.715278][ T3609]  bpf_link_put+0x21d/0x2b0
[   48.720190][ T3609]  bpf_link_release+0x37/0x40
[   48.724900][ T3609]  __fput+0x3b9/0x820
[   48.729208][ T3609]  task_work_run+0x146/0x1c0
[   48.733803][ T3609]  ptrace_notify+0x29a/0x340
[   48.738729][ T3609]  ? do_notify_parent+0xe50/0xe50
[   48.743767][ T3609]  ? __close_range+0x5a4/0x950
[   48.748841][ T3609]  ? pick_file+0x1b0/0x1b0
[   48.753295][ T3609]  syscall_exit_work+0x8c/0xe0
[   48.758290][ T3609]  syscall_exit_to_user_mode_prepare+0x62/0x80
[   48.764441][ T3609]  syscall_exit_to_user_mode+0xa/0x60
[   48.770477][ T3609]  entry_SYSCALL_64_after_hwframe+0x46/0xb0
[   48.776610][ T3609] RIP: 0033:0x7f7ac5fc8179
[   48.781020][ T3609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 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 c0 ff ff ff f7 d8 64 89 01 48
[   48.801007][ T3609] RSP: 002b:00007fff86a60e98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[   48.809710][ T3609] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f7ac5fc8179
[   48.817911][ T3609] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000003
[   48.825889][ T3609] RBP: 00007fff86a60ec0 R08: 0000000000000001 R09: 00007fff86a60ed0
[   48.834131][ T3609] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000a
[   48.842422][ T3609] R13: 00007fff86a60ee0 R14: 00007fff86a60f20 R15: 0000000000000000
[   48.850658][ T3609]  </TASK>
[   48.853698][ T3609] Kernel panic - not syncing: panic_on_warn set ...
[   48.860281][ T3609] CPU: 0 PID: 3609 Comm: syz-executor376 Not tainted 5.19.0-rc3-syzkaller-00279-g8c23f235a6a8 #0
[   48.870767][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   48.880828][ T3609] Call Trace:
[   48.884111][ T3609]  <TASK>
[   48.887060][ T3609]  dump_stack_lvl+0x1e3/0x2cb
[   48.891729][ T3609]  ? bfq_pos_tree_add_move+0x436/0x436
[   48.897181][ T3609]  ? panic+0x76e/0x76e
[   48.901260][ T3609]  ? vscnprintf+0x59/0x80
[   48.905600][ T3609]  ? bpf_cgroup_link_release+0x120/0x1b0
[   48.911241][ T3609]  panic+0x312/0x76e
[   48.915131][ T3609]  ? __warn+0x131/0x220
[   48.919278][ T3609]  ? fb_is_primary_device+0xcc/0xcc
[   48.924477][ T3609]  ? bpf_cgroup_link_release+0x157/0x1b0
[   48.930101][ T3609]  __warn+0x1fa/0x220
[   48.934075][ T3609]  ? bpf_cgroup_link_release+0x157/0x1b0
[   48.939700][ T3609]  report_bug+0x1b3/0x2d0
[   48.944025][ T3609]  handle_bug+0x3d/0x70
[   48.948177][ T3609]  exc_invalid_op+0x16/0x40
[   48.952670][ T3609]  asm_exc_invalid_op+0x1b/0x20
[   48.957509][ T3609] RIP: 0010:bpf_cgroup_link_release+0x157/0x1b0
[   48.963740][ T3609] Code: 15 de ff 48 c7 c7 80 5c b4 8c 5b 41 5c 41 5e 41 5f 5d e9 ec 83 89 08 e8 f7 14 de ff 5b 41 5c 41 5e 41 5f 5d c3 e8 e9 14 de ff <0f> 0b 42 80 7c 25 00 00 0f 85 4e ff ff ff e9 51 ff ff ff 89 f9 80
[   48.983334][ T3609] RSP: 0018:ffffc9000308fcc8 EFLAGS: 00010293
[   48.989392][ T3609] RAX: ffffffff81a96937 RBX: ffff888016e3b768 RCX: ffff88807de58000
[   48.997356][ T3609] RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 0000000000000000
[   49.005315][ T3609] RBP: 1ffff11002dc76ed R08: ffffffff81a9687d R09: fffffbfff1980e0b
[   49.013279][ T3609] R10: fffffbfff1980e0b R11: 1ffffffff1980e0a R12: dffffc0000000000
[   49.021240][ T3609] R13: ffffffff8a967be0 R14: 00000000fffffff4 R15: ffff8880774c8000
[   49.029224][ T3609]  ? bpf_cgroup_link_release+0x9d/0x1b0
[   49.034762][ T3609]  ? bpf_cgroup_link_release+0x157/0x1b0
[   49.040390][ T3609]  ? bpf_cgroup_link_release+0x157/0x1b0
[   49.046015][ T3609]  ? local_lock_release+0x170/0x170
[   49.051203][ T3609]  bpf_link_put+0x21d/0x2b0
[   49.055701][ T3609]  bpf_link_release+0x37/0x40
[   49.060371][ T3609]  __fput+0x3b9/0x820
[   49.064352][ T3609]  task_work_run+0x146/0x1c0
[   49.068940][ T3609]  ptrace_notify+0x29a/0x340
[   49.073522][ T3609]  ? do_notify_parent+0xe50/0xe50
[   49.078534][ T3609]  ? __close_range+0x5a4/0x950
[   49.083291][ T3609]  ? pick_file+0x1b0/0x1b0
[   49.087700][ T3609]  syscall_exit_work+0x8c/0xe0
[   49.092473][ T3609]  syscall_exit_to_user_mode_prepare+0x62/0x80
[   49.098616][ T3609]  syscall_exit_to_user_mode+0xa/0x60
[   49.103979][ T3609]  entry_SYSCALL_64_after_hwframe+0x46/0xb0
[   49.109864][ T3609] RIP: 0033:0x7f7ac5fc8179
[   49.114270][ T3609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 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 c0 ff ff ff f7 d8 64 89 01 48
[   49.133864][ T3609] RSP: 002b:00007fff86a60e98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
[   49.142268][ T3609] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007f7ac5fc8179
[   49.150226][ T3609] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000003
[   49.158188][ T3609] RBP: 00007fff86a60ec0 R08: 0000000000000001 R09: 00007fff86a60ed0
[   49.166148][ T3609] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000a
[   49.174108][ T3609] R13: 00007fff86a60ee0 R14: 00007fff86a60f20 R15: 0000000000000000
[   49.182080][ T3609]  </TASK>
[   49.185365][ T3609] Kernel Offset: disabled
[   49.189762][ T3609] Rebooting in 86400 seconds..