./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2793298271

<...>
forked to background, child pid 3188
no interfaces have a carrier
[   24.759212][ T3189] 8021q: adding VLAN 0 to HW filter on device bond0
[   24.771055][ T3189] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.247' (ECDSA) to the list of known hosts.
execve("./syz-executor2793298271", ["./syz-executor2793298271"], 0x7ffee75afc60 /* 10 vars */) = 0
brk(NULL)                               = 0x5555571d0000
brk(0x5555571d0c40)                     = 0x5555571d0c40
arch_prctl(ARCH_SET_FS, 0x5555571d0300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x5555571d05d0)         = 3616
set_robust_list(0x5555571d05e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f1efe69a730, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f1efe69ae00}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f1efe69a7d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f1efe69ae00}, 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-executor2793298271", 4096) = 28
brk(0x5555571f1c40)                     = 0x5555571f1c40
brk(0x5555571f2000)                     = 0x5555571f2000
mprotect(0x7f1efe75b000, 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 3617 attached
, child_tidptr=0x5555571d05d0) = 3617
[pid  3617] set_robust_list(0x5555571d05e0, 24) = 0
[pid  3617] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  3617] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 3
[pid  3617] openat(AT_FDCWD, "/dev/vhci", O_RDWR) = 4
[pid  3617] dup2(4, 202)                = 202
[pid  3617] close(4)                    = 0
[pid  3617] read(202, "\xff\x00\x00\x00", 4) = 4
[pid  3617] mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f1efde00000
[pid  3617] mprotect(0x7f1efde01000, 8388608, PROT_READ|PROT_WRITE) = 0
[pid  3617] clone(child_stack=0x7f1efe6003f0, 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=0x7f1efe600700, child_tidptr=0x7f1efe6009d0) = 2
[pid  3617] ioctl(3, HCIDEVUP./strace-static-x86_64: Process 3620 attached
 <unfinished ...>
[pid  3620] set_robust_list(0x7f1efe6009e0, 24) = 0
[pid  3620] read(202, "\x01\x03\x0c\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x03\x10\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x01\x10\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x09\x10\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x05\x10\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x23\x0c\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x14\x0c\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x25\x0c\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x38\x0c\x00", 1024) = 4
[pid  3620] 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
[pid  3620] read(202, "\x01\x39\x0c\x00", 1024) = 4
[pid  3620] 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  3620] read(202, "\x01\x16\x0c\x02\x00\x7d", 1024) = 6
[pid  3620] 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  3620] read(202,  <unfinished ...>
[pid  3617] <... ioctl resumed>, 0)     = -1 EALREADY (Operation already in progress)
syzkaller login: [   46.873720][ T3618] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[   46.881669][ T3618] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[   46.889352][ T3618] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[   46.898081][ T3621] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[   46.905985][ T3621] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[   46.913369][ T3621] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[pid  3617] ioctl(3, HCISETSCAN <unfinished ...>
[pid  3620] <... read resumed>"\x01\x1a\x0c\x01\x02", 1024) = 5
[pid  3620] 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) = 7
[pid  3620] madvise(0x7f1efde00000, 8372224, MADV_DONTNEED) = 0
[pid  3620] exit(0)                     = ?
[pid  3620] +++ exited with 0 +++
[pid  3617] <... ioctl resumed>, 0x7ffe2f89b4e4) = 0
[pid  3617] 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  3617] 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  3617] 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  3617] 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  3617] close(3)                    = 0
[pid  3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3617] setsid()                    = 1
[pid  3617] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  3617] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  3617] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  3617] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  3617] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0
[pid  3617] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  3617] unshare(CLONE_NEWNS)        = 0
[pid  3617] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  3617] unshare(CLONE_NEWIPC)       = 0
[pid  3617] unshare(CLONE_NEWCGROUP)    = 0
[pid  3617] unshare(CLONE_NEWUTS)       = 0
[pid  3617] unshare(CLONE_SYSVSEM)      = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "16777216", 8)     = 8
[pid  3617] close(3)                    = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "536870912", 9)    = 9
[pid  3617] close(3)                    = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "1024", 4)         = 4
[pid  3617] close(3)                    = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "8192", 4)         = 4
[pid  3617] close(3)                    = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "1024", 4)         = 4
[pid  3617] close(3)                    = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "1024", 4)         = 4
[pid  3617] close(3)                    = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "1024 1048576 500 1024", 21) = 21
[pid  3617] close(3)                    = 0
[pid  3617] getpid()                    = 1
[pid  3617] 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  3617] 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  3617] unshare(CLONE_NEWNET)       = 0
[pid  3617] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  3617] write(3, "0 65535", 7)      = 7
[pid  3617] close(3)                    = 0
[pid  3617] mkdir("/dev/binderfs", 0777) = 0
[pid  3617] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  3617] symlink("/dev/binderfs", "./binderfs") = 0
[pid  3617] write(202, "\x02\xc8\x00\x0c\x00\x08\x00\x03\x00\x0f\x00\x00\x00\x00\x00\x00\x00", 17) = 17
[   46.922146][ T3617] Bluetooth: hci0: HCI_REQ-0x0c1a
[pid  3617] write(202, "\x04\x10\x01\xff", 4) = 4
[pid  3617] exit_group(1)               = ?
[   46.963469][   T49] Bluetooth: hci0: hardware error 0xff
[   46.969453][   T49] ==================================================================
[   46.977519][   T49] BUG: KASAN: use-after-free in __mutex_unlock_slowpath+0xa6/0x5e0
[   46.985506][   T49] Read of size 8 at addr ffff888020ab34b8 by task kworker/u5:0/49
[   46.993327][   T49] 
[   46.995640][   T49] CPU: 0 PID: 49 Comm: kworker/u5:0 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
[   47.005088][   T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   47.015210][   T49] Workqueue: hci0 hci_error_reset
[   47.020240][   T49] Call Trace:
[   47.023511][   T49]  <TASK>
[   47.026454][   T49]  dump_stack_lvl+0xcd/0x134
[   47.031095][   T49]  print_report+0x15e/0x45d
[   47.035595][   T49]  ? __phys_addr+0xc4/0x140
[   47.040092][   T49]  ? __mutex_unlock_slowpath+0xa6/0x5e0
[   47.045905][   T49]  kasan_report+0xbb/0x1f0
[   47.050325][   T49]  ? __mutex_unlock_slowpath+0xa6/0x5e0
[   47.055869][   T49]  kasan_check_range+0x13d/0x180
[   47.060803][   T49]  __mutex_unlock_slowpath+0xa6/0x5e0
[   47.066163][   T49]  ? slab_free_freelist_hook+0x8b/0x1c0
[   47.071698][   T49]  ? wait_for_completion_io_timeout+0x20/0x20
[   47.077757][   T49]  ? l2cap_chan_put+0x22a/0x2d0
[   47.082594][   T49]  ? __kmem_cache_free+0xab/0x3b0
[   47.087608][   T49]  ? skb_dequeue+0x125/0x180
[   47.092207][   T49]  l2cap_conn_del+0x404/0x7b0
[   47.096875][   T49]  ? l2cap_conn_del+0x7b0/0x7b0
[   47.101725][   T49]  l2cap_disconn_cfm+0x8c/0xc0
[   47.106482][   T49]  hci_conn_hash_flush+0x122/0x260
[   47.111581][   T49]  hci_dev_close_sync+0x5c4/0x1200
[   47.116701][   T49]  ? hci_reset_sync+0x50/0x50
[   47.121367][   T49]  ? lock_downgrade+0x6e0/0x6e0
[   47.126203][   T49]  ? finish_task_switch.isra.0+0x2b5/0xc80
[   47.131995][   T49]  ? __switch_to+0x5cc/0x10e0
[   47.136667][   T49]  hci_dev_do_close+0x2d/0x70
[   47.141344][   T49]  hci_error_reset+0x9e/0x140
[   47.146014][   T49]  process_one_work+0x9bf/0x1710
[   47.150951][   T49]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   47.156317][   T49]  ? rwlock_bug.part.0+0x90/0x90
[   47.161247][   T49]  worker_thread+0x665/0x1080
[   47.165918][   T49]  ? process_one_work+0x1710/0x1710
[   47.171108][   T49]  kthread+0x2e4/0x3a0
[   47.175164][   T49]  ? kthread_complete_and_exit+0x40/0x40
[   47.180797][   T49]  ret_from_fork+0x1f/0x30
[   47.185208][   T49]  </TASK>
[   47.188208][   T49] 
[   47.190511][   T49] Allocated by task 3621:
[   47.194817][   T49]  kasan_save_stack+0x1e/0x40
[   47.199500][   T49]  kasan_set_track+0x21/0x30
[   47.204082][   T49]  __kasan_kmalloc+0xa1/0xb0
[   47.208673][   T49]  l2cap_chan_create+0x40/0x930
[   47.213512][   T49]  amp_mgr_create+0x8f/0x960
[   47.218088][   T49]  a2mp_channel_create+0x7d/0x150
[   47.223107][   T49]  l2cap_recv_frame+0x48e3/0x8d90
[   47.228121][   T49]  l2cap_recv_acldata+0xaa6/0xc00
[   47.234018][   T49]  hci_rx_work+0x705/0x1230
[   47.238528][   T49]  process_one_work+0x9bf/0x1710
[   47.243456][   T49]  worker_thread+0x665/0x1080
[   47.248140][   T49]  kthread+0x2e4/0x3a0
[   47.252195][   T49]  ret_from_fork+0x1f/0x30
[   47.256599][   T49] 
[   47.258997][   T49] Freed by task 49:
[   47.262780][   T49]  kasan_save_stack+0x1e/0x40
[   47.267447][   T49]  kasan_set_track+0x21/0x30
[   47.272025][   T49]  kasan_save_free_info+0x2a/0x40
[   47.277052][   T49]  ____kasan_slab_free+0x160/0x1c0
[   47.282151][   T49]  slab_free_freelist_hook+0x8b/0x1c0
[   47.287510][   T49]  __kmem_cache_free+0xab/0x3b0
[   47.292437][   T49]  l2cap_chan_put+0x22a/0x2d0
[   47.297099][   T49]  l2cap_conn_del+0x3fc/0x7b0
[   47.301763][   T49]  l2cap_disconn_cfm+0x8c/0xc0
[   47.306516][   T49]  hci_conn_hash_flush+0x122/0x260
[   47.311615][   T49]  hci_dev_close_sync+0x5c4/0x1200
[   47.316734][   T49]  hci_dev_do_close+0x2d/0x70
[   47.321768][   T49]  hci_error_reset+0x9e/0x140
[   47.326450][   T49]  process_one_work+0x9bf/0x1710
[   47.331376][   T49]  worker_thread+0x665/0x1080
[   47.336041][   T49]  kthread+0x2e4/0x3a0
[   47.340108][   T49]  ret_from_fork+0x1f/0x30
[   47.344542][   T49] 
[   47.346881][   T49] Last potentially related work creation:
[   47.352590][   T49]  kasan_save_stack+0x1e/0x40
[   47.357265][   T49]  __kasan_record_aux_stack+0xbc/0xd0
[   47.362623][   T49]  call_rcu+0x99/0x820
[   47.366696][   T49]  netlink_release+0xeff/0x1db0
[   47.371563][   T49]  __sock_release+0xcd/0x280
[   47.376143][   T49]  sock_close+0x18/0x20
[   47.380287][   T49]  __fput+0x27c/0xa90
[   47.384256][   T49]  task_work_run+0x16b/0x270
[   47.388845][   T49]  exit_to_user_mode_prepare+0x23c/0x250
[   47.394470][   T49]  syscall_exit_to_user_mode+0x19/0x50
[   47.399927][   T49]  do_syscall_64+0x42/0xb0
[   47.404329][   T49]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   47.410213][   T49] 
[   47.412520][   T49] The buggy address belongs to the object at ffff888020ab3000
[   47.412520][   T49]  which belongs to the cache kmalloc-2k of size 2048
[   47.426556][   T49] The buggy address is located 1208 bytes inside of
[   47.426556][   T49]  2048-byte region [ffff888020ab3000, ffff888020ab3800)
[   47.439984][   T49] 
[   47.442305][   T49] The buggy address belongs to the physical page:
[   47.448695][   T49] page:ffffea000082ac00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x20ab0
[   47.458825][   T49] head:ffffea000082ac00 order:3 compound_mapcount:0 compound_pincount:0
[   47.467129][   T49] flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
[   47.475101][   T49] raw: 00fff00000010200 ffff888011842000 dead000080080008 0000000000000000
[   47.483668][   T49] raw: 0000000000000000 dead000000000001 00000001ffffffff 0000000000000000
[   47.492231][   T49] page dumped because: kasan: bad access detected
[   47.498622][   T49] page_owner tracks the page as allocated
[   47.504313][   T49] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 8393630899, free_ts 0
[   47.523921][   T49]  get_page_from_freelist+0x1092/0x2d20
[   47.529457][   T49]  __alloc_pages+0x1c7/0x5a0
[   47.534034][   T49]  alloc_page_interleave+0x1e/0x200
[   47.539741][   T49]  alloc_pages+0x22f/0x270
[   47.544149][   T49]  allocate_slab+0x213/0x300
[   47.548727][   T49]  ___slab_alloc+0xac1/0x1430
[   47.553397][   T49]  __slab_alloc.constprop.0+0x4d/0xa0
[   47.558760][   T49]  __kmem_cache_alloc_node+0x18a/0x3d0
[   47.564222][   T49]  __kmalloc+0x44/0xc0
[   47.568279][   T49]  rfkill_alloc+0xa6/0x2c0
[   47.572680][   T49]  wiphy_new_nm+0x12d5/0x2090
[   47.577352][   T49]  virt_wifi_init_module+0x64/0x3d6
[   47.582536][   T49]  do_one_initcall+0x13d/0x780
[   47.587291][   T49]  kernel_init_freeable+0x6ff/0x788
[   47.592479][   T49]  kernel_init+0x1a/0x1d0
[   47.596795][   T49]  ret_from_fork+0x1f/0x30
[   47.601204][   T49] page_owner free stack trace missing
[   47.606549][   T49] 
[   47.608870][   T49] Memory state around the buggy address:
[   47.614484][   T49]  ffff888020ab3380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   47.622527][   T49]  ffff888020ab3400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   47.630587][   T49] >ffff888020ab3480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   47.638626][   T49]                                         ^
[   47.644496][   T49]  ffff888020ab3500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   47.652541][   T49]  ffff888020ab3580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   47.660581][   T49] ==================================================================
[   47.669901][   T49] Kernel panic - not syncing: panic_on_warn set ...
[   47.676522][   T49] CPU: 1 PID: 49 Comm: kworker/u5:0 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
[   47.685980][   T49] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
[   47.696039][   T49] Workqueue: hci0 hci_error_reset
[   47.701083][   T49] Call Trace:
[   47.704361][   T49]  <TASK>
[   47.707293][   T49]  dump_stack_lvl+0xcd/0x134
[   47.711904][   T49]  panic+0x2c8/0x622
[   47.715818][   T49]  ? panic_print_sys_info.part.0+0x110/0x110
[   47.721806][   T49]  ? preempt_schedule_common+0x59/0xc0
[   47.727272][   T49]  ? preempt_schedule_thunk+0x16/0x18
[   47.732660][   T49]  end_report.part.0+0x3f/0x7c
[   47.737433][   T49]  ? __mutex_unlock_slowpath+0xa6/0x5e0
[   47.742985][   T49]  kasan_report.cold+0xa/0xf
[   47.747588][   T49]  ? __mutex_unlock_slowpath+0xa6/0x5e0
[   47.753142][   T49]  kasan_check_range+0x13d/0x180
[   47.758082][   T49]  __mutex_unlock_slowpath+0xa6/0x5e0
[   47.763462][   T49]  ? slab_free_freelist_hook+0x8b/0x1c0
[   47.769020][   T49]  ? wait_for_completion_io_timeout+0x20/0x20
[   47.775092][   T49]  ? l2cap_chan_put+0x22a/0x2d0
[   47.779951][   T49]  ? __kmem_cache_free+0xab/0x3b0
[   47.784986][   T49]  ? skb_dequeue+0x125/0x180
[   47.789595][   T49]  l2cap_conn_del+0x404/0x7b0
[   47.794285][   T49]  ? l2cap_conn_del+0x7b0/0x7b0
[   47.799143][   T49]  l2cap_disconn_cfm+0x8c/0xc0
[   47.803916][   T49]  hci_conn_hash_flush+0x122/0x260
[   47.809040][   T49]  hci_dev_close_sync+0x5c4/0x1200
[   47.814170][   T49]  ? hci_reset_sync+0x50/0x50
[   47.818861][   T49]  ? lock_downgrade+0x6e0/0x6e0
[   47.823716][   T49]  ? finish_task_switch.isra.0+0x2b5/0xc80
[   47.829526][   T49]  ? __switch_to+0x5cc/0x10e0
[   47.834206][   T49]  hci_dev_do_close+0x2d/0x70
[   47.838903][   T49]  hci_error_reset+0x9e/0x140
[   47.843596][   T49]  process_one_work+0x9bf/0x1710
[   47.848549][   T49]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   47.853932][   T49]  ? rwlock_bug.part.0+0x90/0x90
[   47.858878][   T49]  worker_thread+0x665/0x1080
[   47.863570][   T49]  ? process_one_work+0x1710/0x1710
[   47.868781][   T49]  kthread+0x2e4/0x3a0
[   47.872856][   T49]  ? kthread_complete_and_exit+0x40/0x40
[   47.878528][   T49]  ret_from_fork+0x1f/0x30
[   47.882978][   T49]  </TASK>
[   47.886158][   T49] Kernel Offset: disabled
[   47.890493][   T49] Rebooting in 86400 seconds..