./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4088860706

<...>
forked to background, child pid 3183
no interfaces have a carrier
[   23.162279][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0
[   23.171548][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.49' (ECDSA) to the list of known hosts.
execve("./syz-executor4088860706", ["./syz-executor4088860706"], 0x7fff15761660 /* 10 vars */) = 0
brk(NULL)                               = 0x5555558b8000
brk(0x5555558b8c40)                     = 0x5555558b8c40
arch_prctl(ARCH_SET_FS, 0x5555558b8300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555558b85d0)         = 3604
set_robust_list(0x5555558b85e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7fd2bd8a9830, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fd2bd8a9f00}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7fd2bd8a98d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd2bd8a9f00}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4088860706", 4096) = 28
brk(0x5555558d9c40)                     = 0x5555558d9c40
brk(0x5555558da000)                     = 0x5555558da000
mprotect(0x7fd2bd96b000, 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./strace-static-x86_64: Process 3605 attached
, child_tidptr=0x5555558b85d0) = 3605
[pid  3605] set_robust_list(0x5555558b85e0, 24) = 0
[pid  3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  3605] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  3605] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  3605] dup2(4, 202)                = 202
[pid  3605] close(4)                    = 0
[pid  3605] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  3605] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd2bd099000
[pid  3605] mprotect(0x7fd2bd09a000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  3605] clone(child_stack=0x7fd2bd8993f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[2], tls=0x7fd2bd899700, child_tidptr=0x7fd2bd8999d0) = 2
[pid  3605] ioctl(3, HCIDEVUP./strace-static-x86_64: Process 3609 attached
 <unfinished ...>
[pid  3609] set_robust_list(0x7fd2bd8999e0, 24) = 0
[pid  3609] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x0c", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3609] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x03\x10", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3609] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x01\x10", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3609] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0a", iov_len=2}, {iov_base="\x01\x09\x10", iov_len=3}, {iov_base="\x00\xaa\xaa\xaa\xaa\xaa\xaa", iov_len=7}], 4) = 13
[pid  3609] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x0b", iov_len=2}, {iov_base="\x01\x05\x10", iov_len=3}, {iov_base="\x00\xfd\x03\x60\x04\x00\x06\x00", iov_len=8}], 4) = 14
[pid  3609] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x23\x0c", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3609] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x14\x0c", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3609] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x25\x0c", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3609] read(202, "\x01\x38\x0c\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x38\x0c", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
syzkaller login: [   44.116455][ T3607] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   44.125012][ T3607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   44.133704][ T3607] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   44.144044][ T3607] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   44.153490][ T3607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[pid  3609] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x39\x0c", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3609] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\xfc", iov_len=2}, {iov_base="\x01\x16\x0c", iov_len=3}, {iov_base="\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"..., iov_len=249}], 4) = 255
[pid  3605] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
[pid  3605] ioctl(3, HCISETSCAN <unfinished ...>
[pid  3609] read(202, "\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  3609] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x0e\x04", iov_len=2}, {iov_base="\x01\x1a\x0c", iov_len=3}, {iov_base="\x00", iov_len=1}], 4 <unfinished ...>
[pid  3605] <... ioctl resumed>, 0x7ffe84fc6ac4) = 0
[pid  3605] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x04\x0a", iov_len=2}, {iov_base="\xaa\xaa\xaa\xaa\xaa\x10\x00\x00\x00\x01", iov_len=10}], 3) = 13
[pid  3605] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x03\x0b", iov_len=2}, {iov_base="\x00\xc8\x00\xaa\xaa\xaa\xaa\xaa\x10\x01\x00", iov_len=11}], 3) = 14
[pid  3605] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\v\v", iov_len=2}, {iov_base="\x00\xc8\x00\x00\x00\x00\x00\x00\x00\x00\x00", iov_len=11}], 3) = 14
[pid  3605] writev(202, [{iov_base="\x04", iov_len=1}, {iov_base="\x3e\x13", iov_len=2}, {iov_base="\x01\x00\xc9\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\x11\x00\x00\x00\x00\x00\x00\x00", iov_len=19}], 3) = 22
[pid  3605] futex(0x7fd2bd8999d0, FUTEX_WAIT, 2, NULL <unfinished ...>
[pid  3609] <... writev resumed>)       = 7
[pid  3609] madvise(0x7fd2bd099000, 8372224, MADV_DONTNEED) = 0
[pid  3609] exit(0)                     = ?
[pid  3605] <... futex resumed>)        = 0
[pid  3605] close(3)                    = 0
[pid  3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3605] setsid()                    = 1
[pid  3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024},  <unfinished ...>
[pid  3609] +++ exited with 0 +++
[pid  3605] <... prlimit64 resumed>NULL) = 0
[pid  3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0
[pid  3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  3605] unshare(CLONE_NEWNS)        = 0
[pid  3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  3605] unshare(CLONE_NEWIPC)       = 0
[pid  3605] unshare(CLONE_NEWCGROUP)    = 0
[pid  3605] unshare(CLONE_NEWUTS)       = 0
[pid  3605] unshare(CLONE_SYSVSEM)      = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "16777216", 8)     = 8
[pid  3605] close(3)                    = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "536870912", 9)    = 9
[pid  3605] close(3)                    = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "1024", 4)         = 4
[pid  3605] close(3)                    = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "8192", 4)         = 4
[pid  3605] close(3)                    = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "1024", 4)         = 4
[pid  3605] close(3)                    = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "1024", 4)         = 4
[pid  3605] close(3)                    = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "1024 1048576 500 1024", 21) = 21
[pid  3605] close(3)                    = 0
[pid  3605] getpid()                    = 1
[pid  3605] 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
[   44.161317][ T3607] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  3605] 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  3605] unshare(CLONE_NEWNET)       = 0
[pid  3605] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  3605] write(3, "0 65535", 7)      = 7
[pid  3605] close(3)                    = 0
[pid  3605] mkdir("/dev/binderfs", 0777) = 0
[pid  3605] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  3605] symlink("/dev/binderfs", "./binderfs") = 0
[pid  3605] write(202, "\x04\x3e\x1d\x19\x00\xc9\x00\xa2\xfc\xc4\xd6\x6c\x2e\x1a\x21\x96\x83\x25\xa5\x00\x00\x00\x00\x00\x00\x00\xc3\x00\x00\x00\x09\x00", 32) = 32
[pid  3605] write(202, "\x04\x3e\x13\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x50\x0b\x04\x00\xff\x03\x04", 22) = 22
[pid  3605] exit_group(1)               = ?
[   44.226395][   T48] sysfs: cannot create duplicate filename '/devices/virtual/bluetooth/hci0/hci0:201'
[   44.236353][   T48] CPU: 0 PID: 48 Comm: kworker/u5:0 Not tainted 6.0.0-rc6-syzkaller-00045-gdc164f4fb00a #0
[   44.246345][   T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022
[   44.256398][   T48] Workqueue: hci0 hci_rx_work
[   44.261091][   T48] Call Trace:
[   44.264355][   T48]  <TASK>
[   44.267269][   T48]  dump_stack_lvl+0xcd/0x134
[   44.271849][   T48]  sysfs_warn_dup.cold+0x1c/0x29
[   44.276786][   T48]  sysfs_create_dir_ns+0x233/0x290
[   44.281892][   T48]  ? sysfs_create_mount_point+0xb0/0xb0
[   44.287423][   T48]  ? rwlock_bug.part.0+0x90/0x90
[   44.292443][   T48]  ? do_raw_spin_unlock+0x171/0x230
[   44.297642][   T48]  kobject_add_internal+0x2c9/0x8f0
[   44.302823][   T48]  ? kasan_quarantine_put+0x81/0x210
[   44.308095][   T48]  kobject_add+0x150/0x1c0
[   44.312505][   T48]  ? kset_create_and_add+0x1a0/0x1a0
[   44.317794][   T48]  ? kfree_const+0x51/0x60
[   44.322201][   T48]  ? kfree+0xe2/0x580
[   44.326184][   T48]  ? rcu_read_lock_sched_held+0x3a/0x70
[   44.331740][   T48]  device_add+0x368/0x1e90
[   44.336158][   T48]  ? dev_set_name+0xbb/0xf0
[   44.340656][   T48]  ? device_initialize+0x540/0x540
[   44.345762][   T48]  ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0
[   44.351998][   T48]  ? hci_le_cis_estabilished_evt+0x1ee/0xae0
[   44.357985][   T48]  ? lock_downgrade+0x6e0/0x6e0
[   44.362840][   T48]  ? hci_event_packet+0x425/0xfd0
[   44.367873][   T48]  hci_conn_add_sysfs+0x9b/0x1b0
[   44.372810][   T48]  hci_le_cis_estabilished_evt+0x57c/0xae0
[   44.378622][   T48]  ? hci_cc_le_set_random_addr+0x290/0x290
[   44.384429][   T48]  ? wait_for_completion_io_timeout+0x20/0x20
[   44.390510][   T48]  hci_le_meta_evt+0x2b8/0x510
[   44.395289][   T48]  ? hci_cc_le_set_random_addr+0x290/0x290
[   44.401117][   T48]  hci_event_packet+0x63d/0xfd0
[   44.405969][   T48]  ? hci_conn_drop+0x2f0/0x2f0
[   44.410735][   T48]  ? hci_cs_create_conn+0x3a0/0x3a0
[   44.415930][   T48]  ? kcov_remote_start+0x156/0x7a0
[   44.421050][   T48]  hci_rx_work+0xae7/0x1230
[   44.425563][   T48]  process_one_work+0x991/0x1610
[   44.430508][   T48]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   44.435888][   T48]  ? rwlock_bug.part.0+0x90/0x90
[   44.440830][   T48]  ? _raw_spin_lock_irq+0x41/0x50
[   44.445875][   T48]  worker_thread+0x665/0x1080
[   44.450572][   T48]  ? process_one_work+0x1610/0x1610
[   44.455771][   T48]  kthread+0x2e4/0x3a0
[   44.459844][   T48]  ? kthread_complete_and_exit+0x40/0x40
[   44.465478][   T48]  ret_from_fork+0x1f/0x30
[   44.470423][   T48]  </TASK>
[   44.479224][   T48] kobject_add_internal failed for hci0:201 with -EEXIST, don't try to register things with the same name in the same directory.
[   44.493082][   T48] Bluetooth: hci0: failed to register connection device
[   44.500914][   T48] ==================================================================
[   44.508988][   T48] BUG: KASAN: use-after-free in __list_add_valid+0xa5/0xb0
[   44.516180][   T48] Read of size 8 at addr ffff88801dbed468 by task kworker/u5:0/48
[   44.524141][   T48] 
[   44.526444][   T48] CPU: 0 PID: 48 Comm: kworker/u5:0 Not tainted 6.0.0-rc6-syzkaller-00045-gdc164f4fb00a #0
[   44.536400][   T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022
[   44.546443][   T48] Workqueue: hci0 hci_rx_work
[   44.551112][   T48] Call Trace:
[   44.554374][   T48]  <TASK>
[   44.557287][   T48]  dump_stack_lvl+0xcd/0x134
[   44.561864][   T48]  print_report.cold+0x2ba/0x719
[   44.566788][   T48]  ? __list_add_valid+0xa5/0xb0
[   44.571623][   T48]  kasan_report+0xb1/0x1e0
[   44.576029][   T48]  ? __list_add_valid+0xa5/0xb0
[   44.580870][   T48]  __list_add_valid+0xa5/0xb0
[   44.585540][   T48]  klist_add_tail+0x158/0x2a0
[   44.590203][   T48]  device_add+0xcc2/0x1e90
[   44.594610][   T48]  ? device_initialize+0x540/0x540
[   44.599705][   T48]  ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0
[   44.605933][   T48]  ? kfree_skbmem+0xef/0x1b0
[   44.610520][   T48]  hci_conn_add_sysfs+0x9b/0x1b0
[   44.615451][   T48]  le_conn_complete_evt+0xf04/0x1560
[   44.620735][   T48]  ? rcu_read_lock_sched_held+0x3a/0x70
[   44.626273][   T48]  ? hci_auth_complete_evt+0xfe0/0xfe0
[   44.631729][   T48]  ? __mutex_lock+0x231/0x1350
[   44.636491][   T48]  ? kmem_cache_alloc+0x46/0x3b0
[   44.641425][   T48]  hci_le_conn_complete_evt+0x238/0x340
[   44.647053][   T48]  ? skb_pull_data+0xf7/0x130
[   44.651726][   T48]  hci_le_meta_evt+0x2b8/0x510
[   44.656572][   T48]  ? hci_le_enh_conn_complete_evt+0x350/0x350
[   44.662641][   T48]  hci_event_packet+0x63d/0xfd0
[   44.667481][   T48]  ? hci_conn_drop+0x2f0/0x2f0
[   44.672236][   T48]  ? hci_cs_create_conn+0x3a0/0x3a0
[   44.677424][   T48]  ? kcov_remote_start+0x156/0x7a0
[   44.682534][   T48]  hci_rx_work+0xae7/0x1230
[   44.687035][   T48]  process_one_work+0x991/0x1610
[   44.691971][   T48]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   44.697339][   T48]  ? rwlock_bug.part.0+0x90/0x90
[   44.702267][   T48]  ? _raw_spin_lock_irq+0x41/0x50
[   44.707285][   T48]  worker_thread+0x665/0x1080
[   44.711959][   T48]  ? process_one_work+0x1610/0x1610
[   44.717152][   T48]  kthread+0x2e4/0x3a0
[   44.721211][   T48]  ? kthread_complete_and_exit+0x40/0x40
[   44.726925][   T48]  ret_from_fork+0x1f/0x30
[   44.731344][   T48]  </TASK>
[   44.734350][   T48] 
[   44.736660][   T48] Allocated by task 3607:
[   44.740971][   T48]  kasan_save_stack+0x1e/0x40
[   44.745640][   T48]  __kasan_kmalloc+0xa9/0xd0
[   44.750227][   T48]  device_add+0x1168/0x1e90
[   44.754721][   T48]  hci_conn_add_sysfs+0x9b/0x1b0
[   44.759651][   T48]  le_conn_complete_evt+0xf04/0x1560
[   44.764928][   T48]  hci_le_conn_complete_evt+0x238/0x340
[   44.770460][   T48]  hci_le_meta_evt+0x2b8/0x510
[   44.775216][   T48]  hci_event_packet+0x63d/0xfd0
[   44.780052][   T48]  hci_rx_work+0xae7/0x1230
[   44.784553][   T48]  process_one_work+0x991/0x1610
[   44.789481][   T48]  worker_thread+0x665/0x1080
[   44.794146][   T48]  kthread+0x2e4/0x3a0
[   44.798205][   T48]  ret_from_fork+0x1f/0x30
[   44.802615][   T48] 
[   44.804924][   T48] Freed by task 48:
[   44.808711][   T48]  kasan_save_stack+0x1e/0x40
[   44.813380][   T48]  kasan_set_track+0x21/0x30
[   44.817960][   T48]  kasan_set_free_info+0x20/0x30
[   44.822887][   T48]  ____kasan_slab_free+0x166/0x1c0
[   44.827989][   T48]  slab_free_freelist_hook+0x8b/0x1c0
[   44.833351][   T48]  kfree+0xe2/0x580
[   44.837144][   T48]  device_add+0x453/0x1e90
[   44.841549][   T48]  hci_conn_add_sysfs+0x9b/0x1b0
[   44.846498][   T48]  hci_le_cis_estabilished_evt+0x57c/0xae0
[   44.852295][   T48]  hci_le_meta_evt+0x2b8/0x510
[   44.857050][   T48]  hci_event_packet+0x63d/0xfd0
[   44.861887][   T48]  hci_rx_work+0xae7/0x1230
[   44.866382][   T48]  process_one_work+0x991/0x1610
[   44.871312][   T48]  worker_thread+0x665/0x1080
[   44.875979][   T48]  kthread+0x2e4/0x3a0
[   44.880037][   T48]  ret_from_fork+0x1f/0x30
[   44.884443][   T48] 
[   44.886749][   T48] Last potentially related work creation:
[   44.892446][   T48]  kasan_save_stack+0x1e/0x40
[   44.897112][   T48]  __kasan_record_aux_stack+0xbe/0xd0
[   44.902479][   T48]  insert_work+0x48/0x350
[   44.906971][   T48]  __queue_work+0x625/0x1210
[   44.911557][   T48]  queue_work_on+0xee/0x110
[   44.916222][   T48]  __blkg_release+0x105/0x160
[   44.920887][   T48]  rcu_core+0x7b5/0x1890
[   44.925120][   T48]  __do_softirq+0x1d3/0x9c6
[   44.929616][   T48] 
[   44.931930][   T48] Second to last potentially related work creation:
[   44.938499][   T48]  kasan_save_stack+0x1e/0x40
[   44.943170][   T48]  __kasan_record_aux_stack+0xbe/0xd0
[   44.948531][   T48]  call_rcu+0x99/0x790
[   44.952591][   T48]  percpu_ref_put_many.constprop.0+0x22b/0x260
[   44.958740][   T48]  rcu_core+0x7b5/0x1890
[   44.962972][   T48]  __do_softirq+0x1d3/0x9c6
[   44.967468][   T48] 
[   44.969774][   T48] The buggy address belongs to the object at ffff88801dbed400
[   44.969774][   T48]  which belongs to the cache kmalloc-512 of size 512
[   44.983812][   T48] The buggy address is located 104 bytes inside of
[   44.983812][   T48]  512-byte region [ffff88801dbed400, ffff88801dbed600)
[   44.997073][   T48] 
[   44.999381][   T48] The buggy address belongs to the physical page:
[   45.005773][   T48] page:ffffea000076fb00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1dbec
[   45.015910][   T48] head:ffffea000076fb00 order:2 compound_mapcount:0 compound_pincount:0
[   45.024226][   T48] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[   45.032203][   T48] raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888011841c80
[   45.040774][   T48] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
[   45.049341][   T48] page dumped because: kasan: bad access detected
[   45.055734][   T48] page_owner tracks the page as allocated
[   45.061433][   T48] page last allocated via order 2, migratetype Unmovable, gfp_mask 0x52800(GFP_NOWAIT|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 91, tgid 91 (kworker/u4:4), ts 6238055288, free_ts 6236116787
[   45.080187][   T48]  get_page_from_freelist+0x109b/0x2ce0
[   45.085735][   T48]  __alloc_pages+0x1c7/0x510
[   45.090319][   T48]  alloc_pages+0x1a6/0x270
[   45.094724][   T48]  allocate_slab+0x27e/0x3d0
[   45.099302][   T48]  ___slab_alloc+0x7f1/0xe10
[   45.103881][   T48]  __slab_alloc.constprop.0+0x4d/0xa0
[   45.109243][   T48]  kmem_cache_alloc_node_trace+0x185/0x410
[   45.115037][   T48]  iolatency_pd_alloc+0xc1/0x1c0
[   45.119965][   T48]  blkcg_activate_policy+0x1e4/0xba0
[   45.125240][   T48]  blk_iolatency_init+0x290/0x5e0
[   45.130257][   T48]  blkcg_init_queue+0x17d/0x620
[   45.135096][   T48]  __alloc_disk_node+0x29d/0x650
[   45.140023][   T48]  __blk_mq_alloc_disk+0x13b/0x1f0
[   45.145127][   T48]  floppy_alloc_disk+0x3d/0x390
[   45.149969][   T48]  floppy_async_init+0x316/0x21ca
[   45.154987][   T48]  async_run_entry_fn+0x98/0x530
[   45.159913][   T48] page last free stack trace:
[   45.164570][   T48]  register_dummy_stack+0x65/0xa4
[   45.169586][   T48]  init_page_owner+0x48/0x625
[   45.174262][   T48]  page_ext_init+0x4be/0x4d1
[   45.178845][   T48]  kernel_init_freeable+0x48b/0x73a
[   45.184034][   T48] 
[   45.186340][   T48] Memory state around the buggy address:
[   45.191952][   T48]  ffff88801dbed300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   45.200002][   T48]  ffff88801dbed380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   45.208053][   T48] >ffff88801dbed400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   45.216108][   T48]                                                           ^
[   45.223557][   T48]  ffff88801dbed480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   45.231620][   T48]  ffff88801dbed500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   45.239673][   T48] ==================================================================
[   45.248073][   T48] Kernel panic - not syncing: panic_on_warn set ...
[   45.254654][   T48] CPU: 0 PID: 48 Comm: kworker/u5:0 Not tainted 6.0.0-rc6-syzkaller-00045-gdc164f4fb00a #0
[   45.264716][   T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022
[   45.274776][   T48] Workqueue: hci0 hci_rx_work
[   45.279461][   T48] Call Trace:
[   45.282731][   T48]  <TASK>
[   45.285650][   T48]  dump_stack_lvl+0xcd/0x134
[   45.290331][   T48]  panic+0x2c8/0x627
[   45.294220][   T48]  ? panic_print_sys_info.part.0+0x10b/0x10b
[   45.300207][   T48]  ? __list_add_valid+0xa5/0xb0
[   45.305056][   T48]  end_report.part.0+0x3f/0x7c
[   45.309818][   T48]  kasan_report.cold+0xa/0xf
[   45.314407][   T48]  ? __list_add_valid+0xa5/0xb0
[   45.319257][   T48]  __list_add_valid+0xa5/0xb0
[   45.323932][   T48]  klist_add_tail+0x158/0x2a0
[   45.328613][   T48]  device_add+0xcc2/0x1e90
[   45.333028][   T48]  ? device_initialize+0x540/0x540
[   45.338136][   T48]  ? __fw_devlink_link_to_suppliers+0x2d0/0x2d0
[   45.344377][   T48]  ? kfree_skbmem+0xef/0x1b0
[   45.348970][   T48]  hci_conn_add_sysfs+0x9b/0x1b0
[   45.353904][   T48]  le_conn_complete_evt+0xf04/0x1560
[   45.359451][   T48]  ? rcu_read_lock_sched_held+0x3a/0x70
[   45.364992][   T48]  ? hci_auth_complete_evt+0xfe0/0xfe0
[   45.370455][   T48]  ? __mutex_lock+0x231/0x1350
[   45.375218][   T48]  ? kmem_cache_alloc+0x46/0x3b0
[   45.380156][   T48]  hci_le_conn_complete_evt+0x238/0x340
[   45.385698][   T48]  ? skb_pull_data+0xf7/0x130
[   45.390367][   T48]  hci_le_meta_evt+0x2b8/0x510
[   45.395127][   T48]  ? hci_le_enh_conn_complete_evt+0x350/0x350
[   45.401295][   T48]  hci_event_packet+0x63d/0xfd0
[   45.406331][   T48]  ? hci_conn_drop+0x2f0/0x2f0
[   45.411091][   T48]  ? hci_cs_create_conn+0x3a0/0x3a0
[   45.416281][   T48]  ? kcov_remote_start+0x156/0x7a0
[   45.421392][   T48]  hci_rx_work+0xae7/0x1230
[   45.425895][   T48]  process_one_work+0x991/0x1610
[   45.430832][   T48]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   45.436202][   T48]  ? rwlock_bug.part.0+0x90/0x90
[   45.441133][   T48]  ? _raw_spin_lock_irq+0x41/0x50
[   45.446148][   T48]  worker_thread+0x665/0x1080
[   45.450824][   T48]  ? process_one_work+0x1610/0x1610
[   45.456102][   T48]  kthread+0x2e4/0x3a0
[   45.460251][   T48]  ? kthread_complete_and_exit+0x40/0x40
[   45.465881][   T48]  ret_from_fork+0x1f/0x30
[   45.470306][   T48]  </TASK>
[   45.474312][   T48] Kernel Offset: disabled
[   45.478628][   T48] Rebooting in 86400 seconds..