./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2034597080

<...>
[   14.940682][   T28] audit: type=1400 audit(1720950131.139:64): avc:  denied  { rlimitinh } for  pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.944948][   T28] audit: type=1400 audit(1720950131.139:65): avc:  denied  { siginh } for  pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   18.232621][  T238] sftp-server (238) used greatest stack depth: 20072 bytes left
Warning: Permanently added '10.128.0.124' (ED25519) to the list of known hosts.
execve("./syz-executor2034597080", ["./syz-executor2034597080"], 0x7ffd25e2de10 /* 10 vars */) = 0
brk(NULL)                               = 0x5555574f6000
brk(0x5555574f6d00)                     = 0x5555574f6d00
arch_prctl(ARCH_SET_FS, 0x5555574f6380) = 0
set_tid_address(0x5555574f6650)         = 296
set_robust_list(0x5555574f6660, 24)     = 0
rseq(0x5555574f6ca0, 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-executor2034597080", 4096) = 28
getrandom("\x42\x89\x94\xad\xc3\x46\x17\x68", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555574f6d00
brk(0x555557517d00)                     = 0x555557517d00
brk(0x555557518000)                     = 0x555557518000
mprotect(0x7fa5ce041000, 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
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555574f6650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x5555574f6660, 24) = 0
[pid   297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] setsid()                    = 1
[pid   297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   297] unshare(CLONE_NEWNS)        = 0
[pid   297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   297] unshare(CLONE_NEWCGROUP)    = 0
[pid   297] unshare(CLONE_NEWUTS)       = 0
[pid   297] unshare(CLONE_SYSVSEM)      = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] getpid()                    = 1
[pid   297] 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   297] 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   297] unshare(CLONE_NEWNET)       = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "0 65535", 7)      = 7
[pid   297] close(3)                    = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "100000", 6)       = 6
[pid   297] close(3)                    = 0
[pid   297] mkdir("./syz-tmp", 0777)    = 0
[pid   297] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   297] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   297] chdir("/")                  = 0
[pid   297] umount2("./pivot", MNT_DETACH) = 0
[pid   297] chroot("./newroot")         = 0
[pid   297] chdir("/")                  = 0
[pid   297] mkdir("/dev/binderfs", 0777) = 0
[pid   297] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   297] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   297] write(1, "executing program\n", 18) = 18
[pid   297] memfd_create("syzkaller", 0) = 3
[pid   297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa5c5b8e000
[   24.240723][   T28] audit: type=1400 audit(1720950140.449:66): avc:  denied  { execmem } for  pid=296 comm="syz-executor203" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.260849][   T28] audit: type=1400 audit(1720950140.459:67): avc:  denied  { mounton } for  pid=297 comm="syz-executor203" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1
[pid   297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid   297] munmap(0x7fa5c5b8e000, 138412032) = 0
[pid   297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   297] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   297] close(3)                    = 0
[pid   297] close(4)                    = 0
[pid   297] mkdir("./file1", 0777)      = 0
[   24.285345][   T28] audit: type=1400 audit(1720950140.459:68): avc:  denied  { mount } for  pid=297 comm="syz-executor203" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   24.293610][  T297] loop0: detected capacity change from 0 to 512
[   24.308422][   T28] audit: type=1400 audit(1720950140.459:69): avc:  denied  { mounton } for  pid=297 comm="syz-executor203" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   24.315375][  T297] =======================================================
[   24.315375][  T297] WARNING: The mand mount option has been deprecated and
[   24.315375][  T297]          and is ignored by this kernel. Remove the mand
[   24.315375][  T297]          option from the mount to silence this warning.
[   24.315375][  T297] =======================================================
[   24.335705][   T28] audit: type=1400 audit(1720950140.489:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor203" path="/root/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   24.393622][   T28] audit: type=1400 audit(1720950140.489:71): avc:  denied  { mount } for  pid=297 comm="syz-executor203" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   24.415621][   T28] audit: type=1400 audit(1720950140.489:72): avc:  denied  { mounton } for  pid=297 comm="syz-executor203" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   24.418290][  T297] EXT4-fs (loop0): 1 orphan inode deleted
[   24.439382][   T28] audit: type=1400 audit(1720950140.489:73): avc:  denied  { mount } for  pid=297 comm="syz-executor203" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   24.444806][  T297] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
[pid   297] mount("/dev/loop0", "./file1", "ext4", MS_MANDLOCK|MS_LAZYTIME, "errors=remount-ro,nodiscard,noquota,init_itable,stripe=0x0000000000000079,resgid=0x0000000000000000,"...) = 0
[pid   297] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid   297] chdir("./file1")            = 0
[pid   297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   297] ioctl(4, LOOP_CLR_FD)       = 0
[pid   297] close(4)                    = 0
[pid   297] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   297] open("./file2", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = -1 EISDIR (Is a directory)
[pid   297] exit_group(1)               = ?
[   24.466764][   T28] audit: type=1400 audit(1720950140.499:74): avc:  denied  { unmount } for  pid=297 comm="syz-executor203" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.475718][  T297] ext4 filesystem being mounted at /file1 supports timestamps until 2038 (0x7fffffff)
[   24.504037][   T28] audit: type=1400 audit(1720950140.499:75): avc:  denied  { mounton } for  pid=297 comm="syz-executor203" path="/dev/binderfs" dev="devtmpfs" ino=370 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.532755][  T297] ------------[ cut here ]------------
[   24.538033][  T297] kernel BUG at fs/namei.c:2956!
[   24.542881][  T297] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   24.548703][  T297] CPU: 1 PID: 297 Comm: syz-executor203 Not tainted 6.1.84-syzkaller-00005-g96d66062d076 #0
[   24.558607][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   24.568493][  T297] RIP: 0010:may_delete+0x6eb/0x6f0
[   24.573442][  T297] Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 66 71 f3 ff e9 72 fe ff ff e8 cc 64 ac ff 0f 0b e8 c5 64 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 64 ac ff 4c 8d
[   24.592880][  T297] RSP: 0018:ffffc90000df7a58 EFLAGS: 00010293
[   24.598783][  T297] RAX: ffffffff81c9210b RBX: ffff88811f998cf0 RCX: ffff8881095fbcc0
[   24.606595][  T297] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
[   24.614410][  T297] RBP: ffffc90000df7ac0 R08: ffffffff81c91a9f R09: 0000000000000003
[   24.622218][  T297] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88811f94d550
[   24.630029][  T297] R13: 1ffff11023f29aaa R14: ffff88810b99dce8 R15: dffffc0000000000
[   24.637843][  T297] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   24.646608][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.653037][  T297] CR2: 00007fa5ce045130 CR3: 000000010fcbf000 CR4: 00000000003506a0
[   24.660845][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.668654][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.676464][  T297] Call Trace:
[   24.679591][  T297]  <TASK>
[   24.682368][  T297]  ? __die_body+0x62/0xb0
[   24.686537][  T297]  ? die+0x88/0xb0
[   24.690094][  T297]  ? do_trap+0x103/0x330
[   24.694172][  T297]  ? may_delete+0x6eb/0x6f0
[   24.698511][  T297]  ? handle_invalid_op+0x95/0xc0
[   24.703285][  T297]  ? may_delete+0x6eb/0x6f0
[   24.707627][  T297]  ? exc_invalid_op+0x32/0x50
[   24.712139][  T297]  ? asm_exc_invalid_op+0x1b/0x20
[   24.716999][  T297]  ? may_delete+0x7f/0x6f0
[   24.721251][  T297]  ? may_delete+0x6eb/0x6f0
[   24.725593][  T297]  ? may_delete+0x6eb/0x6f0
[   24.729935][  T297]  ? may_delete+0x6eb/0x6f0
[   24.734271][  T297]  vfs_rmdir+0x32/0x500
[   24.738352][  T297]  ? generic_shutdown_super+0x2b8/0x370
[   24.743734][  T297]  incfs_kill_sb+0x113/0x230
[   24.748158][  T297]  deactivate_locked_super+0xad/0x110
[   24.753365][  T297]  deactivate_super+0xbe/0xf0
[   24.757879][  T297]  cleanup_mnt+0x485/0x510
[   24.762133][  T297]  __cleanup_mnt+0x19/0x20
[   24.766384][  T297]  task_work_run+0x24d/0x2e0
[   24.770813][  T297]  ? kmem_cache_free+0x291/0x510
[   24.775588][  T297]  ? task_work_cancel+0x2b0/0x2b0
[   24.780447][  T297]  ? free_nsproxy+0x20d/0x260
[   24.784962][  T297]  ? exit_task_namespaces+0xb4/0xd0
[   24.789993][  T297]  do_exit+0xbd5/0x2b80
[   24.793991][  T297]  ? put_task_struct+0x80/0x80
[   24.798593][  T297]  ? __kasan_check_write+0x14/0x20
[   24.803553][  T297]  ? _raw_spin_lock_irq+0xa5/0x1b0
[   24.808484][  T297]  ? _raw_spin_lock_irqsave+0x210/0x210
[   24.813866][  T297]  ? zap_other_threads+0x29c/0x2d0
[   24.818832][  T297]  do_group_exit+0x21a/0x2d0
[   24.823239][  T297]  __x64_sys_exit_group+0x3f/0x40
[   24.828095][  T297]  do_syscall_64+0x3d/0xb0
[   24.832354][  T297]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   24.838079][  T297] RIP: 0033:0x7fa5cdfcae09
[   24.842336][  T297] Code: Unable to access opcode bytes at 0x7fa5cdfcaddf.
[   24.849189][  T297] RSP: 002b:00007ffcdbc63cc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.857434][  T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa5cdfcae09
[   24.865246][  T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.873057][  T297] RBP: 00007fa5ce047370 R08: ffffffffffffffb8 R09: 0000000000000006
[   24.880877][  T297] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa5ce047370
[   24.888679][  T297] R13: 0000000000000000 R14: 00007fa5ce0480e0 R15: 00007fa5cdf990d0
[   24.896498][  T297]  </TASK>
[   24.899370][  T297] Modules linked in:
[   24.903201][  T297] ---[ end trace 0000000000000000 ]---
[   24.908384][  T297] RIP: 0010:may_delete+0x6eb/0x6f0
[   24.913599][  T297] Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 66 71 f3 ff e9 72 fe ff ff e8 cc 64 ac ff 0f 0b e8 c5 64 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 64 ac ff 4c 8d
[   24.933115][  T297] RSP: 0018:ffffc90000df7a58 EFLAGS: 00010293
[   24.938931][  T297] RAX: ffffffff81c9210b RBX: ffff88811f998cf0 RCX: ffff8881095fbcc0
[   24.946785][  T297] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000
[   24.954559][  T297] RBP: ffffc90000df7ac0 R08: ffffffff81c91a9f R09: 0000000000000003
[   24.962350][  T297] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff88811f94d550
[   24.970227][  T297] R13: 1ffff11023f29aaa R14: ffff88810b99dce8 R15: dffffc0000000000
[   24.978026][  T297] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   24.986786][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.993204][  T297] CR2: 00007fa5ce045130 CR3: 000000010fcbf000 CR4: 00000000003506a0
[   25.000993][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.008831][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.016636][  T297] Kernel panic - not syncing: Fatal exception
[   25.023082][  T297] Kernel Offset: disabled
[   25.027315][  T297] Rebooting in 86400 seconds..