./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1416017486 <...> d { noatsecure } for pid=220 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.073730][ T24] audit: type=1400 audit(1735030377.060:63): avc: denied { write } for pid=220 comm="sh" path="pipe:[14408]" dev="pipefs" ino=14408 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.077870][ T24] audit: type=1400 audit(1735030377.060:64): avc: denied { rlimitinh } for pid=220 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 14.080750][ T24] audit: type=1400 audit(1735030377.060:65): avc: denied { siginh } for pid=220 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.97' (ED25519) to the list of known hosts. execve("./syz-executor1416017486", ["./syz-executor1416017486"], 0x7fff5c3260d0 /* 10 vars */) = 0 brk(NULL) = 0x5555682db000 brk(0x5555682dbd40) = 0x5555682dbd40 arch_prctl(ARCH_SET_FS, 0x5555682db3c0) = 0 set_tid_address(0x5555682db690) = 463 set_robust_list(0x5555682db6a0, 24) = 0 rseq(0x5555682dbce0, 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-executor1416017486", 4096) = 28 getrandom("\xdd\x38\xf7\xc5\x20\x97\x96\xa9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555682dbd40 brk(0x5555682fcd40) = 0x5555682fcd40 brk(0x5555682fd000) = 0x5555682fd000 mprotect(0x7f0aca577000, 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("./syzkaller.HcE44z", 0700) = 0 chmod("./syzkaller.HcE44z", 0777) = 0 chdir("./syzkaller.HcE44z") = 0 mkdir("./0", 0777) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555682db690) = 464 ./strace-static-x86_64: Process 464 attached [pid 464] set_robust_list(0x5555682db6a0, 24) = 0 [pid 464] chdir("./0") = 0 [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 464] write(1, "executing program\n", 18executing program ) = 18 [pid 464] futex(0x7f0aca57d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] rt_sigaction(SIGRT_1, {sa_handler=0x7f0aca518800, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0aca509980}, NULL, 8) = 0 [pid 464] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0aca492000 [pid 464] mprotect(0x7f0aca493000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0aca4b2990, parent_tid=0x7f0aca4b2990, exit_signal=0, stack=0x7f0aca492000, stack_size=0x20300, tls=0x7f0aca4b26c0}./strace-static-x86_64: Process 465 attached [pid 465] set_robust_list(0x7f0aca4b29a0, 24) = 0 [pid 465] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 465] futex(0x7f0aca57d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... clone3 resumed> => {parent_tid=[465]}, 88) = 465 [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] futex(0x7f0aca57d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 465] <... futex resumed>) = 0 [pid 465] socketpair(AF_TIPC, SOCK_STREAM, 0, [pid 464] futex(0x7f0aca57d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 465] <... socketpair resumed>[3, 4]) = 0 [pid 465] futex(0x7f0aca57d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 465] futex(0x7f0aca57d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f0aca57d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 465] <... futex resumed>) = 0 [pid 465] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x20\x00\x00\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x20"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [ 197.507839][ T24] audit: type=1400 audit(1735030560.500:66): avc: denied { execmem } for pid=463 comm="syz-executor141" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 197.530944][ T24] audit: type=1400 audit(1735030560.520:67): avc: denied { create } for pid=464 comm="syz-executor141" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [pid 464] futex(0x7f0aca57d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 464] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0aca471000 [pid 464] mprotect(0x7f0aca472000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 464] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 464] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0aca491990, parent_tid=0x7f0aca491990, exit_signal=0, stack=0x7f0aca471000, stack_size=0x20300, tls=0x7f0aca4916c0} => {parent_tid=[466]}, 88) = 466 ./strace-static-x86_64: Process 466 attached [pid 464] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 464] futex(0x7f0aca57d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f0aca57d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] set_robust_list(0x7f0aca4919a0, 24) = 0 [pid 466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 466] dup2(4, 3) = 3 [pid 466] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f0aca57d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f0aca57d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 466] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] futex(0x7f0aca57d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 464] futex(0x7f0aca57d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 466] sendmmsg(3, [{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x65\xc0\xa8\x19\x3a\xe7\x4a\xd1\x51\x35\xd5\x24\x20\x22\xc1\x56\x90\xae\xf9\xb9\x7b\xa8\xe3\xc8\xf8\x94\xb3\x10\x62\xf3\xde\x0c\x9d\x27\x63\xb7\xe3\x5b\x04\x0b\x79\xed\x00\x1f\x3d\x76\xac\xa9\x27\x89\x74\xf5\x3f\xee\x3a\xfc\xca\x97\x3c\x85\x05\x7b\xf6\x2b\xa7\x40\x73\x81\x45\x2f\x94\xa4\x8b\x81\x46\x2a\x58\x6c\x8e\x41\x07\x66\xfa\xa1\x04\x1b\x5e\x61\xe8\x09\x58\xf5\xae\xcf\x2b\x55\x65\xaa\xa3\x78"..., iov_len=164}, {iov_base="\xb5\x68\xb9\x43\xca\xcb\x00\xb4\x3c\xd4\x43\xe4\x51\xcc\xd8\xdb\xc5\x80\x21\x22\x7b\xcc\xe3\x8b\x1c\xbe\x53\xd0\x4c\x35\xda\xee\x08", iov_len=33}, {iov_base="\x2a\x55\x1a\x1e\x5f\x95\x5c\x5a\x43\x4a\x02\xee\xf4\xcc\x2e\x87\x69\xd1\xa5\x88\xe7\x71\x71\x68\xa3\x1c\x7a\x10\x20\xc6\x8f\x79\x55\x3c\xdf\x1e\x07\xff\x36\x17\x9e\x72\x27\x75\xaa\xba\x06\xc1\x2f\x4a\x13\xf3\x82\xfb\xeb\x93\x7d\xca\x4e\x93\x7f\x8c\xc3\xf6\x59\xab\xfa\x77\xb6\xb2\x79\x70\x91\xb4\x65\xa3\xe0\x68\x71\x06\x5e\x60\x24\x6a\xa7\xcb\x03\xa3\xfd\x21\x18\x74\xcb\x62\xfd\xbc\x50\xfd\xf8\x86"..., iov_len=132}, {iov_base="\x41\xfd\x56\x4f\xbe\xaa\xab\x86\x3d\xc3\x48\xe0\xd0\x7b\x64\x18\x63\x07\x93\x45\xbf\x50\xef\xa1\x57\xdc\x9d\x4e\x82\xd0\xb3\xba\x46\x5d\xef\xa8\x3a\x3f\x66\x9e\x83\xdc\x6a\x0e\xbd\xfc\x82\x88\x72\x2a\x7f\x6d\xb6\x92\x36\x34\xd8\x8b\x3b\x7f\xbd\x9e\xe7\x9d\xf1\xd8\x47\xdc\x70\x55\x34\x01\x06\xac\x49\xaa\xe0\xeb\xf8\x87\xf0\x29\x96\x20\x79\x84\x7b\x61\x05\x43\x75\xf7\x46\x7b\xbe\x9a\x93\xf6\xa3\x9f"..., iov_len=111}, {iov_base="\xbc\x3b\xfd\x24\x00\x85\xbc\x6d\x06\x76\x04\xd6\x64\x64\x88\x53\x24\xf0\x63\x2b\xcf\x6d\x86\xe8\xe0\x6b\x1a\x2a\xa9\x2d\xd1\xaf\x55\xa6\x15\x50\x72\xed\x6c\xce\x34\x95\x83\xbf\x05\x1f\x91\xb3\x5a\xa2\x7d\xf8\xa8\x97\x97\x06\xb1\x3f\x33\x71\x74\x1f\x47\xdf\xf9\x49\x20\x97\x97\x6e\x79\xa3\x29\xae\x93\x13\x8f\x7e\x3a\x0b\x69\x7c\x94\x11\x55\xd8\xe0\xc4\xf8\x37\x97", iov_len=91}, {iov_base="\xe0\xe2\x03\x7e\xc6\xa3\x67\xec\x78\x9a\x75\x30\x40\x15\x8d\x52\x6d\x8d\x64\x08\x8d\xd3\x4e\x94\x2c\x90\xa4\xdb\x71\x05\x2d\x6b\x79\x10\x74\x85\xa0\x33\x1d\xbb\xbe\x0a\xf6\xa8\xc3\xd2\x01\xee\x8b\xed\xab\xa7\x44\x14\x3a\x17\xb2\x79\xbe\x45\xc1\x78\xaf\x34\x88\x7c\xe4\xa1\x20\x0f\xdf\x80\xab\x5d\xe5\x09\x37\x60\x2a\x5e\xd1\xde\xaf\x76\x0d\xb7\xe5\xa2\xb1\xb9\xcf\x7c\x5b\x1f\xf8\x16\x72\x29\xb9\xf4"..., iov_len=970}], msg_iovlen=6, msg_controllen=0, msg_flags=0}, msg_len=1501}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}], 10, MSG_OOB|MSG_PROBE|MSG_DONTWAIT|MSG_EOR|MSG_FASTOPEN) = 10 [pid 465] <... sendmsg resumed>) = 132000 [pid 465] futex(0x7f0aca57d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 465] futex(0x7f0aca57d3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 466] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 464] <... futex resumed>) = 0 [pid 464] exit_group(0) = ? [pid 465] <... futex resumed>) = ? [pid 465] +++ exited with 0 +++ [pid 466] +++ exited with 0 +++ [pid 464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555682dc730 /* 3 entries */, 32768) = 80 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 getdents64(3, 0x5555682dc730 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555682db690) = 467 ./strace-static-x86_64: Process 467 attached [ 197.550803][ T24] audit: type=1400 audit(1735030560.520:68): avc: denied { write } for pid=464 comm="syz-executor141" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 executing program [pid 467] set_robust_list(0x5555682db6a0, 24) = 0 [pid 467] chdir("./1") = 0 [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 467] setpgid(0, 0) = 0 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 467] symlink("/dev/binderfs", "./binderfs") = 0 [pid 467] write(1, "executing program\n", 18) = 18 [pid 467] futex(0x7f0aca57d3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] rt_sigaction(SIGRT_1, {sa_handler=0x7f0aca518800, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0aca509980}, NULL, 8) = 0 [pid 467] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0aca492000 [pid 467] mprotect(0x7f0aca493000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0aca4b2990, parent_tid=0x7f0aca4b2990, exit_signal=0, stack=0x7f0aca492000, stack_size=0x20300, tls=0x7f0aca4b26c0} => {parent_tid=[468]}, 88) = 468 [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] futex(0x7f0aca57d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f0aca57d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 468 attached [pid 468] set_robust_list(0x7f0aca4b29a0, 24) = 0 [pid 468] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 468] socketpair(AF_TIPC, SOCK_STREAM, 0, [3, 4]) = 0 [pid 468] futex(0x7f0aca57d3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f0aca57d3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f0aca57d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 468] <... futex resumed>) = 1 [ 197.591666][ T24] audit: type=1400 audit(1735030560.580:69): avc: denied { setopt } for pid=464 comm="syz-executor141" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=tipc_socket permissive=1 [pid 468] sendmsg(3, {msg_name={sa_family=AF_TIPC, sa_data="\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"}, msg_namelen=16, msg_iov=[{iov_base="\xc3\xe9\x72\xbd\x85\xa6\xd8\x41\x36\xd6\xdd\x55\x04\x8d\x35\x93\xa7\x4f\x33\x8c\xe6\x77\x2a\xb9\xa6\xf6\x40\x41\xc2\xf6\xfb\xbe\xcd\xc0\x8e\xbc\xd3\x19\x2b\x6a\x53\x66\x2d\xae\x7c\x8e\x9c\x66\x5e\x80\xa5\xd0\x92\x5f\x72\x8d\xca\xc3\x0c\x29\x79\x39\x92\xe5\x88\x95\x26\x53\xd4\x14\xcb\x8c\xcd\xab\xc3\x87\x67\xfe\xe8\x19\xec\x5a\xf0\xc5\xee\x93\x68\x80\xfe\x85\x49\xb4\xed\x34\x77\x79\xca\xb4\xff\xd4", iov_len=100}, {iov_base="V", iov_len=1}, {iov_base="\x3e\xed\x50\xd0\x12\x57\x19\xa8\x10\xf8\x8e\x3f\x47\x18\x6f\xe4\xda\xe7\x41\x82\xdf\xd1\x09\xa2\x58\x7c\x47\x97\x41\x0c\x9b\x8e\x39\xbd\x3d\x9a\xa1\x44\xd5\x90\x86\x47\xc3\x0c\x8d\xb6\x9b\x5c\x17\x08\x4c\x9b\x1b\xfb\xb8\x68\x07\x37\xc4\xf8\x8a\xbc\xdb\xc7\xd2\x94\xd7\x2a\xb1\xb3\x44\x27\x09\x15\xdf\x9d\xdf\x56\x35\x64\x4c\x35\x1c\x22\xb2\x9d\x94\x8a\xc4\x10\x6b\xce\x71\x07\x57\x0b\xee\xd6\x30\x77"..., iov_len=4096}, {iov_base="\xb7\x68\xeb\x20\x30\x4f\x2f\xdc\x5a\x96\x94\xa4\x86\x78\x40\xd9\x31\x70\xca\x1a\x86\x40\x6f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x04\x00\x20\x00\x00\x00\x00\x64\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x20\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x16\x00\x20"..., iov_len=4294966976}], msg_iovlen=4, msg_controllen=0, msg_flags=MSG_PROBE|MSG_MORE}, 0 [pid 467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 467] futex(0x7f0aca57d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 467] futex(0x7f0aca57d3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 467] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0aca471000 [pid 467] mprotect(0x7f0aca472000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 467] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 467] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0aca491990, parent_tid=0x7f0aca491990, exit_signal=0, stack=0x7f0aca471000, stack_size=0x20300, tls=0x7f0aca4916c0}./strace-static-x86_64: Process 470 attached => {parent_tid=[470]}, 88) = 470 [pid 470] set_robust_list(0x7f0aca4919a0, 24) = 0 [pid 470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 470] futex(0x7f0aca57d3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 467] futex(0x7f0aca57d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 467] futex(0x7f0aca57d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 470] <... futex resumed>) = 0 [pid 470] dup2(4, 3) = 3 [pid 470] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f0aca57d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f0aca57d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 470] <... futex resumed>) = 1 [pid 470] setsockopt(3, SOL_SOCKET, SO_RCVBUFFORCE, [-1], 4) = 0 [pid 470] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 467] futex(0x7f0aca57d3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 467] futex(0x7f0aca57d3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 470] <... futex resumed>) = 1 [pid 470] sendmmsg(3, [{msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x65\xc0\xa8\x19\x3a\xe7\x4a\xd1\x51\x35\xd5\x24\x20\x22\xc1\x56\x90\xae\xf9\xb9\x7b\xa8\xe3\xc8\xf8\x94\xb3\x10\x62\xf3\xde\x0c\x9d\x27\x63\xb7\xe3\x5b\x04\x0b\x79\xed\x00\x1f\x3d\x76\xac\xa9\x27\x89\x74\xf5\x3f\xee\x3a\xfc\xca\x97\x3c\x85\x05\x7b\xf6\x2b\xa7\x40\x73\x81\x45\x2f\x94\xa4\x8b\x81\x46\x2a\x58\x6c\x8e\x41\x07\x66\xfa\xa1\x04\x1b\x5e\x61\xe8\x09\x58\xf5\xae\xcf\x2b\x55\x65\xaa\xa3\x78"..., iov_len=164}, {iov_base="\xb5\x68\xb9\x43\xca\xcb\x00\xb4\x3c\xd4\x43\xe4\x51\xcc\xd8\xdb\xc5\x80\x21\x22\x7b\xcc\xe3\x8b\x1c\xbe\x53\xd0\x4c\x35\xda\xee\x08", iov_len=33}, {iov_base="\x2a\x55\x1a\x1e\x5f\x95\x5c\x5a\x43\x4a\x02\xee\xf4\xcc\x2e\x87\x69\xd1\xa5\x88\xe7\x71\x71\x68\xa3\x1c\x7a\x10\x20\xc6\x8f\x79\x55\x3c\xdf\x1e\x07\xff\x36\x17\x9e\x72\x27\x75\xaa\xba\x06\xc1\x2f\x4a\x13\xf3\x82\xfb\xeb\x93\x7d\xca\x4e\x93\x7f\x8c\xc3\xf6\x59\xab\xfa\x77\xb6\xb2\x79\x70\x91\xb4\x65\xa3\xe0\x68\x71\x06\x5e\x60\x24\x6a\xa7\xcb\x03\xa3\xfd\x21\x18\x74\xcb\x62\xfd\xbc\x50\xfd\xf8\x86"..., iov_len=132}, {iov_base="\x41\xfd\x56\x4f\xbe\xaa\xab\x86\x3d\xc3\x48\xe0\xd0\x7b\x64\x18\x63\x07\x93\x45\xbf\x50\xef\xa1\x57\xdc\x9d\x4e\x82\xd0\xb3\xba\x46\x5d\xef\xa8\x3a\x3f\x66\x9e\x83\xdc\x6a\x0e\xbd\xfc\x82\x88\x72\x2a\x7f\x6d\xb6\x92\x36\x34\xd8\x8b\x3b\x7f\xbd\x9e\xe7\x9d\xf1\xd8\x47\xdc\x70\x55\x34\x01\x06\xac\x49\xaa\xe0\xeb\xf8\x87\xf0\x29\x96\x20\x79\x84\x7b\x61\x05\x43\x75\xf7\x46\x7b\xbe\x9a\x93\xf6\xa3\x9f"..., iov_len=111}, {iov_base="\xbc\x3b\xfd\x24\x00\x85\xbc\x6d\x06\x76\x04\xd6\x64\x64\x88\x53\x24\xf0\x63\x2b\xcf\x6d\x86\xe8\xe0\x6b\x1a\x2a\xa9\x2d\xd1\xaf\x55\xa6\x15\x50\x72\xed\x6c\xce\x34\x95\x83\xbf\x05\x1f\x91\xb3\x5a\xa2\x7d\xf8\xa8\x97\x97\x06\xb1\x3f\x33\x71\x74\x1f\x47\xdf\xf9\x49\x20\x97\x97\x6e\x79\xa3\x29\xae\x93\x13\x8f\x7e\x3a\x0b\x69\x7c\x94\x11\x55\xd8\xe0\xc4\xf8\x37\x97", iov_len=91}, {iov_base="\xe0\xe2\x03\x7e\xc6\xa3\x67\xec\x78\x9a\x75\x30\x40\x15\x8d\x52\x6d\x8d\x64\x08\x8d\xd3\x4e\x94\x2c\x90\xa4\xdb\x71\x05\x2d\x6b\x79\x10\x74\x85\xa0\x33\x1d\xbb\xbe\x0a\xf6\xa8\xc3\xd2\x01\xee\x8b\xed\xab\xa7\x44\x14\x3a\x17\xb2\x79\xbe\x45\xc1\x78\xaf\x34\x88\x7c\xe4\xa1\x20\x0f\xdf\x80\xab\x5d\xe5\x09\x37\x60\x2a\x5e\xd1\xde\xaf\x76\x0d\xb7\xe5\xa2\xb1\xb9\xcf\x7c\x5b\x1f\xf8\x16\x72\x29\xb9\xf4"..., iov_len=970}], msg_iovlen=6, msg_controllen=0, msg_flags=0}, msg_len=1501}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=1}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}, {msg_hdr={msg_name=NULL, msg_namelen=0, msg_iov=NULL, msg_iovlen=0, msg_controllen=0, msg_flags=0}, msg_len=0}], 10, MSG_OOB|MSG_PROBE|MSG_DONTWAIT|MSG_EOR|MSG_FASTOPEN) = 10 [pid 470] futex(0x7f0aca57d3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 467] <... futex resumed>) = 0 [pid 470] <... futex resumed>) = 1 [pid 470] futex(0x7f0aca57d3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 467] exit_group(0 [pid 470] <... futex resumed>) = ? [pid 467] <... exit_group resumed>) = ? [pid 470] +++ exited with 0 +++ [pid 463] kill(-467, SIGKILL) = 0 [pid 463] kill(467, SIGKILL) = 0 [pid 463] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 463] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 463] getdents64(3, 0x5555682dc730 /* 2 entries */, 32768) = 48 [pid 463] getdents64(3, 0x5555682dc730 /* 0 entries */, 32768) = 0 [pid 463] close(3) = 0 [ 297.657123][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 297.663653][ C0] rcu: 0-....: (10003 ticks this GP) idle=30e/1/0x4000000000000000 softirq=2196/2198 fqs=4997 last_accelerate: d7b8/fec8 dyntick_enabled: 1 [ 297.678653][ C0] (t=10002 jiffies g=1689 q=2162) [ 297.683893][ C0] NMI backtrace for cpu 0 [ 297.688048][ C0] CPU: 0 PID: 468 Comm: syz-executor141 Not tainted 5.10.231-syzkaller-00700-g4055d754db6f #0 [ 297.698108][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 297.708100][ C0] Call Trace: [ 297.711213][ C0] [ 297.713929][ C0] dump_stack_lvl+0x1e2/0x24b [ 297.718418][ C0] ? panic+0x812/0x812 [ 297.722321][ C0] ? bfq_pos_tree_add_move+0x43b/0x43b [ 297.727618][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 297.732914][ C0] ? vprintk_func+0x19d/0x1e0 [ 297.737453][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 297.742110][ C0] ? printk+0xd1/0x111 [ 297.746020][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 297.751919][ C0] dump_stack+0x15/0x17 [ 297.755914][ C0] nmi_trigger_cpumask_backtrace+0x2b5/0x300 [ 297.761727][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 297.767658][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 297.773375][ C0] rcu_dump_cpu_stacks+0x199/0x2b0 [ 297.778319][ C0] rcu_sched_clock_irq+0xf8a/0x1890 [ 297.783341][ C0] ? rcutree_dead_cpu+0x340/0x340 [ 297.788219][ C0] ? hrtimer_run_queues+0x15f/0x440 [ 297.793233][ C0] update_process_times+0x198/0x200 [ 297.798266][ C0] tick_sched_timer+0x188/0x240 [ 297.802955][ C0] ? tick_setup_sched_timer+0x480/0x480 [ 297.808336][ C0] __hrtimer_run_queues+0x3d7/0xa50 [ 297.813731][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 297.818679][ C0] ? clockevents_program_event+0x214/0x2c0 [ 297.824311][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 297.830205][ C0] hrtimer_interrupt+0x39a/0x8b0 [ 297.834980][ C0] __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 297.840704][ C0] asm_call_irq_on_stack+0xf/0x20 [ 297.845561][ C0] [ 297.848341][ C0] sysvec_apic_timer_interrupt+0x85/0xe0 [ 297.853896][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 297.859714][ C0] RIP: 0010:tipc_sk_lookup+0x30e/0x650 [ 297.865019][ C0] Code: 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 cb 00 00 00 49 f7 dc 0f b7 1b 4b 8d 7c 25 00 4c 01 ff 48 8d b4 24 80 00 00 00 48 89 da 2d 51 d8 fd 41 89 c6 31 ff 89 c6 e8 f1 9f d0 fc 45 85 f6 0f 84 [ 297.884450][ C0] RSP: 0018:ffffc90000986860 EFLAGS: 00000286 [ 297.890344][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffff88810d362780 [ 297.898153][ C0] RDX: 0000000000000004 RSI: ffffc900009868e0 RDI: ffff88810c06835c [ 297.905968][ C0] RBP: ffffc90000986950 R08: ffffffff849a21b5 R09: 0000000000000003 [ 297.913780][ C0] R10: fffff52000130d1c R11: dffffc0000000001 R12: fffffffffffffc18 [ 297.921681][ C0] R13: ffff88810c0683e8 R14: dffffc0000000000 R15: 000000000000035c [ 297.929505][ C0] ? tipc_sk_lookup+0x295/0x650 [ 297.934180][ C0] ? tipc_sk_rcv+0x1e30/0x1e30 [ 297.938776][ C0] tipc_sk_rcv+0x499/0x1e30 [ 297.943123][ C0] ? __stack_depot_save+0x468/0x4d0 [ 297.948166][ C0] ? kasan_set_track+0x5d/0x70 [ 297.952754][ C0] ? kasan_set_track+0x4b/0x70 [ 297.957440][ C0] ? kasan_set_free_info+0x23/0x40 [ 297.962573][ C0] ? __kasan_slab_free+0x11/0x20 [ 297.967346][ C0] ? slab_free_freelist_hook+0xc0/0x190 [ 297.972716][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 297.977402][ C0] ? kfree_skbmem+0x104/0x170 [ 297.981957][ C0] ? tipc_sk_rcv+0x1b52/0x1e30 [ 297.986523][ C0] ? tipc_node_xmit+0x34b/0xe30 [ 297.991379][ C0] ? tipc_sk_filter_rcv+0x1da8/0x3e00 [ 297.996577][ C0] ? tipc_sk_rcv+0x8a1/0x1e30 [ 298.001090][ C0] ? tipc_node_distr_xmit+0x36a/0x4d0 [ 298.006305][ C0] ? tipc_sk_backlog_rcv+0x18b/0x210 [ 298.011427][ C0] ? __fput+0x33d/0x7b0 [ 298.015411][ C0] ? ____fput+0x15/0x20 [ 298.019420][ C0] ? __skb_queue_purge+0x180/0x180 [ 298.024441][ C0] ? debug_smp_processor_id+0x17/0x20 [ 298.029646][ C0] tipc_node_xmit+0x34b/0xe30 [ 298.034159][ C0] ? __kasan_slab_free+0x11/0x20 [ 298.038930][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 298.044319][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 298.048999][ C0] ? kfree_skbmem+0x104/0x170 [ 298.053512][ C0] tipc_node_xmit_skb+0x153/0x1b0 [ 298.058396][ C0] ? __skb_queue_purge+0x180/0x180 [ 298.063333][ C0] ? trace_tipc_sk_rej_msg+0x2b/0x6f0 [ 298.068528][ C0] tipc_sk_rcv+0x1c0b/0x1e30 [ 298.073058][ C0] ? __set_page_owner+0x3b/0x2d0 [ 298.077844][ C0] ? save_stack+0x1c3/0x240 [ 298.082202][ C0] ? __kasan_check_write+0x14/0x20 [ 298.087119][ C0] ? _raw_spin_lock+0xa4/0x1b0 [ 298.091804][ C0] ? tipc_msg_build+0x13e/0x1040 [ 298.096580][ C0] ? __skb_queue_purge+0x180/0x180 [ 298.101701][ C0] tipc_node_xmit+0x34b/0xe30 [ 298.106214][ C0] ? stack_trace_save+0x1c0/0x1c0 [ 298.111073][ C0] ? __kernel_text_address+0x9b/0x110 [ 298.116294][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 298.121664][ C0] ? __kasan_check_write+0x14/0x20 [ 298.126616][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 298.131904][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 298.136596][ C0] tipc_sk_filter_rcv+0x1da8/0x3e00 [ 298.141801][ C0] ? tipc_sk_dump+0xf50/0xf50 [ 298.146310][ C0] ? __kasan_check_write+0x14/0x20 [ 298.151254][ C0] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 298.156118][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 298.160804][ C0] tipc_sk_rcv+0x8a1/0x1e30 [ 298.165144][ C0] ? __skb_queue_purge+0x180/0x180 [ 298.170090][ C0] ? tipc_sk_filter_rcv+0x3583/0x3e00 [ 298.175299][ C0] tipc_node_xmit+0x34b/0xe30 [ 298.179809][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 298.185190][ C0] tipc_node_distr_xmit+0x36a/0x4d0 [ 298.190225][ C0] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 298.195266][ C0] ? __kasan_check_write+0x14/0x20 [ 298.200205][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 298.205509][ C0] ? __tipc_shutdown+0xe7c/0x1510 [ 298.210357][ C0] tipc_sk_backlog_rcv+0x18b/0x210 [ 298.215306][ C0] ? tipc_sk_timeout+0xab0/0xab0 [ 298.220079][ C0] __release_sock+0x148/0x410 [ 298.224594][ C0] release_sock+0x65/0x1b0 [ 298.228852][ C0] tipc_release+0xb6b/0x1440 [ 298.233285][ C0] sock_close+0xdf/0x270 [ 298.237350][ C0] ? sock_mmap+0xa0/0xa0 [ 298.241433][ C0] __fput+0x33d/0x7b0 [ 298.245257][ C0] ____fput+0x15/0x20 [ 298.249070][ C0] task_work_run+0x129/0x190 [ 298.253521][ C0] ptrace_notify+0x29e/0x350 [ 298.257944][ C0] ? do_notify_parent+0xa10/0xa10 [ 298.262784][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 298.268685][ C0] ? irqentry_exit_to_user_mode+0x41/0x80 [ 298.274243][ C0] syscall_exit_to_user_mode+0xf5/0x1a0 [ 298.279620][ C0] do_syscall_64+0x40/0x70 [ 298.283878][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 298.289596][ C0] RIP: 0033:0x7f0aca4f2399 [ 298.293908][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 b0 ff ff ff f7 d8 64 89 01 48 [ 298.313303][ C0] RSP: 002b:00007f0aca4b2218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 298.321534][ C0] RAX: 00000000000203a0 RBX: 00007f0aca57d3e8 RCX: 00007f0aca4f2399 [ 298.329346][ C0] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003 [ 298.337156][ C0] RBP: 00007f0aca57d3e0 R08: 0000000000000000 R09: 0000000000000000 [ 298.344969][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0aca54a44c [ 298.352779][ C0] R13: 00007f0aca549078 R14: 00007f0aca54a080 R15: 618a5986bea2420f [ 356.451205][ T24] audit: type=1400 audit(1735030719.440:70): avc: denied { remove_name } for pid=77 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 356.473529][ T24] audit: type=1400 audit(1735030719.440:71): avc: denied { rename } for pid=77 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 440.933955][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor141:468] [ 440.942365][ C0] Modules linked in: [ 440.946093][ C0] CPU: 0 PID: 468 Comm: syz-executor141 Not tainted 5.10.231-syzkaller-00700-g4055d754db6f #0 [ 440.956168][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 440.966069][ C0] RIP: 0010:_raw_spin_trylock_bh+0xc/0x190 [ 440.971705][ C0] Code: 03 38 c1 0f 8c 4f ff ff ff 4c 89 f7 e8 ed 11 f5 fc e9 42 ff ff ff e8 f3 8f fa ff 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 41 54 <53> 48 83 e4 e0 48 83 ec 60 49 89 fd 65 48 8b 04 25 28 00 00 00 48 [ 440.991575][ C0] RSP: 0018:ffffc90000986930 EFLAGS: 00000286 [ 440.997468][ C0] RAX: ffff88810c068000 RBX: ffff88811d0ed8c4 RCX: ffff88810d362780 [ 441.005279][ C0] RDX: 0000000000000000 RSI: 0000000000000005 RDI: ffff88810c068088 [ 441.013096][ C0] RBP: ffffc90000986950 R08: ffffffff849a2431 R09: ffffed102180d011 [ 441.020903][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 [ 441.028714][ C0] R13: ffffc90000986da0 R14: 000000003276d67b R15: ffffc90000986da0 [ 441.036523][ C0] FS: 00007f0aca4b26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 441.045287][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 441.051711][ C0] CR2: 0000000020000000 CR3: 000000010b43f000 CR4: 00000000003506b0 [ 441.059536][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 441.067344][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 441.075291][ C0] Call Trace: [ 441.078357][ C0] [ 441.081064][ C0] ? show_regs+0x58/0x60 [ 441.085263][ C0] ? watchdog_timer_fn+0x471/0x590 [ 441.090174][ C0] ? proc_watchdog_cpumask+0xd0/0xd0 [ 441.095286][ C0] ? __hrtimer_run_queues+0x3d7/0xa50 [ 441.100494][ C0] ? hrtimer_interrupt+0x8b0/0x8b0 [ 441.105440][ C0] ? clockevents_program_event+0x214/0x2c0 [ 441.111078][ C0] ? ktime_get_update_offsets_now+0x266/0x280 [ 441.116980][ C0] ? hrtimer_interrupt+0x39a/0x8b0 [ 441.121936][ C0] ? __sysvec_apic_timer_interrupt+0xfb/0x3f0 [ 441.127830][ C0] ? asm_call_irq_on_stack+0xf/0x20 [ 441.132857][ C0] [ 441.135644][ C0] ? sysvec_apic_timer_interrupt+0x85/0xe0 [ 441.141282][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 441.147276][ C0] ? tipc_sk_lookup+0x511/0x650 [ 441.151962][ C0] ? _raw_spin_trylock_bh+0xc/0x190 [ 441.156994][ C0] tipc_sk_rcv+0x4c2/0x1e30 [ 441.161336][ C0] ? __stack_depot_save+0x468/0x4d0 [ 441.166366][ C0] ? kasan_set_track+0x5d/0x70 [ 441.170963][ C0] ? kasan_set_track+0x4b/0x70 [ 441.175565][ C0] ? kasan_set_free_info+0x23/0x40 [ 441.180511][ C0] ? __kasan_slab_free+0x11/0x20 [ 441.185292][ C0] ? slab_free_freelist_hook+0xc0/0x190 [ 441.190669][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 441.195367][ C0] ? kfree_skbmem+0x104/0x170 [ 441.199884][ C0] ? tipc_sk_rcv+0x1b52/0x1e30 [ 441.204483][ C0] ? tipc_node_xmit+0x34b/0xe30 [ 441.209173][ C0] ? tipc_sk_filter_rcv+0x1da8/0x3e00 [ 441.214359][ C0] ? tipc_sk_rcv+0x8a1/0x1e30 [ 441.218874][ C0] ? tipc_node_distr_xmit+0x36a/0x4d0 [ 441.224079][ C0] ? tipc_sk_backlog_rcv+0x18b/0x210 [ 441.229204][ C0] ? __fput+0x33d/0x7b0 [ 441.233228][ C0] ? ____fput+0x15/0x20 [ 441.237212][ C0] ? __skb_queue_purge+0x180/0x180 [ 441.242148][ C0] ? debug_smp_processor_id+0x17/0x20 [ 441.247341][ C0] tipc_node_xmit+0x34b/0xe30 [ 441.251862][ C0] ? __kasan_slab_free+0x11/0x20 [ 441.256714][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 441.262101][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 441.266779][ C0] ? kfree_skbmem+0x104/0x170 [ 441.271296][ C0] tipc_node_xmit_skb+0x153/0x1b0 [ 441.276154][ C0] ? __skb_queue_purge+0x180/0x180 [ 441.281110][ C0] ? trace_tipc_sk_rej_msg+0x2b/0x6f0 [ 441.286308][ C0] tipc_sk_rcv+0x1c0b/0x1e30 [ 441.290777][ C0] ? __set_page_owner+0x3b/0x2d0 [ 441.295680][ C0] ? save_stack+0x1c3/0x240 [ 441.300029][ C0] ? __kasan_check_write+0x14/0x20 [ 441.304968][ C0] ? _raw_spin_lock+0xa4/0x1b0 [ 441.309635][ C0] ? tipc_msg_build+0x13e/0x1040 [ 441.314343][ C0] ? __skb_queue_purge+0x180/0x180 [ 441.319290][ C0] tipc_node_xmit+0x34b/0xe30 [ 441.323802][ C0] ? stack_trace_save+0x1c0/0x1c0 [ 441.328661][ C0] ? __kernel_text_address+0x9b/0x110 [ 441.333871][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 441.339253][ C0] ? __kasan_check_write+0x14/0x20 [ 441.344197][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 441.349492][ C0] ? _raw_spin_lock+0x1b0/0x1b0 [ 441.354197][ C0] tipc_sk_filter_rcv+0x1da8/0x3e00 [ 441.359219][ C0] ? tipc_sk_dump+0xf50/0xf50 [ 441.363735][ C0] ? __kasan_check_write+0x14/0x20 [ 441.368687][ C0] ? _raw_spin_lock_bh+0xa4/0x1b0 [ 441.373530][ C0] ? kmem_cache_free+0xa9/0x1e0 [ 441.378229][ C0] tipc_sk_rcv+0x8a1/0x1e30 [ 441.382562][ C0] ? __skb_queue_purge+0x180/0x180 [ 441.387503][ C0] ? tipc_sk_filter_rcv+0x3583/0x3e00 [ 441.392712][ C0] tipc_node_xmit+0x34b/0xe30 [ 441.397228][ C0] ? tipc_node_get_linkname+0x190/0x190 [ 441.402608][ C0] tipc_node_distr_xmit+0x36a/0x4d0 [ 441.407639][ C0] ? tipc_node_xmit_skb+0x1b0/0x1b0 [ 441.412675][ C0] ? __kasan_check_write+0x14/0x20 [ 441.417623][ C0] ? _raw_spin_lock_irqsave+0xf9/0x210 [ 441.422914][ C0] ? __tipc_shutdown+0xe7c/0x1510 [ 441.427776][ C0] tipc_sk_backlog_rcv+0x18b/0x210 [ 441.432811][ C0] ? tipc_sk_timeout+0xab0/0xab0 [ 441.437585][ C0] __release_sock+0x148/0x410 [ 441.442098][ C0] release_sock+0x65/0x1b0 [ 441.446345][ C0] tipc_release+0xb6b/0x1440 [ 441.450786][ C0] sock_close+0xdf/0x270 [ 441.454854][ C0] ? sock_mmap+0xa0/0xa0 [ 441.458935][ C0] __fput+0x33d/0x7b0 [ 441.462752][ C0] ____fput+0x15/0x20 [ 441.466569][ C0] task_work_run+0x129/0x190 [ 441.471087][ C0] ptrace_notify+0x29e/0x350 [ 441.475508][ C0] ? do_notify_parent+0xa10/0xa10 [ 441.480373][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 441.486274][ C0] ? irqentry_exit_to_user_mode+0x41/0x80 [ 441.491826][ C0] syscall_exit_to_user_mode+0xf5/0x1a0 [ 441.497209][ C0] do_syscall_64+0x40/0x70 [ 441.501462][ C0] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 441.507187][ C0] RIP: 0033:0x7f0aca4f2399 [ 441.511442][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 b0 ff ff ff f7 d8 64 89 01 48 [ 441.531056][ C0] RSP: 002b:00007f0aca4b2218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 441.539300][ C0] RAX: 00000000000203a0 RBX: 00007f0aca57d3e8 RCX: 00007f0aca4f2399 [ 441.547112][ C0] RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000003 [ 441.554917][ C0] RBP: 00007f0aca57d3e0 R08: 0000000000000000 R09: 0000000000000000 [ 441.562745][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0aca54a44c [ 441.570564][ C0] R13: 00007f0aca549078 R14: 00007f0aca54a080 R15: 618a5986bea2420f