Stacktrace: #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 set = {__val = {0, 140337533684800, 140725801169072, 94865733453904, 140725801169056, 15442105031219824384, 4, 94865733453904, 0, 15442105031219824384, 4, 1, 94865733453904, 1, 4, 94865708102691}} pid = tid = ret = #1 0x00007fa2e09d5801 in __GI_abort () at abort.c:79 save_stage = 1 act = {__sigaction_handler = {sa_handler = 0x5647a656bd10, sa_sigaction = 0x5647a656bd10}, sa_mask = {__val = {94865708083362, 1572911363, 206158430224, 140725801169664, 94865708014912, 17179869207, 17179869201, 511101108234, 1318554959873, 94862942666752, 18446744073709530016, 94865733327264, 94865707998636, 94865708111963, 140725801169488, 94865708083362}}, sa_flags = -1529528963, sa_restorer = 0x75} sigs = {__val = {32, 0 }} __cnt = __set = __cnt = __set = #2 0x00005647a4d3e3d0 in ?? () No symbol table info available. #3 0x00005647a4d395b3 in ?? () No symbol table info available. #4 0x00005647a4d39809 in ?? () No symbol table info available. #5 0x00005647a4d39e44 in ?? () No symbol table info available. #6 0x00007fa2e17ab7c8 in CRYPTO_free_ex_data (class_index=class_index@entry=2, obj=obj@entry=0x7fa2d0019f90, ad=ad@entry=0x7fa2d001a0e0) at ../crypto/ex_data.c:354 mx = i = 2 ip = 0x7fa2e1aff6f0 ptr = f = 0x5647a656b430 stack = {0x0, 0x5647a656b3a0, 0x5647a656b430, 0xd64d60b5ca214700, 0x7fa2d000bc80, 0x5647a65715f0, 0x7fa2d0019f90, 0x7fa2e17ab2c8 , 0x5, 0x5647a65715f0} storage = 0x7ffd4763b370 #7 0x00007fa2e1b3fe58 in SSL_SESSION_free (ss=0x7fa2d0019f90) at ../ssl/ssl_sess.c:787 i = ss = 0x7fa2d0019f90 i = i = #8 0x00007fa2e17af3fc in doall_util_fn (arg=0x7ffd4763b460, arg@entry=0x7ffd4763b420, func_arg=func_arg@entry=0x7fa2e1b406f0 , func=0x0, use_arg=1, lh=0x5647a6551d40) at ../crypto/lhash/lhash.c:196 i = 5 a = n = 0x7fa2c8012800 i = a = n = #9 OPENSSL_LH_doall_arg (lh=0x5647a6551d40, func=func@entry=0x7fa2e1b406f0 , arg=arg@entry=0x7ffd4763b460) at ../crypto/lhash/lhash.c:211 No locals. #10 0x00007fa2e1b414e7 in lh_SSL_SESSION_doall_TIMEOUT_PARAM (arg=0x7ffd4763b460, fn=0x7fa2e1b406f0 , lh=) at ../ssl/ssl_sess.c:1104 No locals. #11 SSL_CTX_flush_sessions (s=0x5647a65715f0, t=) at ../ssl/ssl_sess.c:1119 i = tp = {ctx = 0x5647a65715f0, time = 1572911664, cache = 0x5647a6551d40} #12 0x00005647a4d4d080 in ?? () No symbol table info available. #13 0x00005647a4d4d109 in ?? () No symbol table info available. #14 0x00005647a4d38c56 in ?? () No symbol table info available. #15 0x00007fa2e09b6b97 in __libc_start_main (main=0x5647a4d38be0, argc=2, argv=0x7ffd4763b688, init=, fini=, rtld_fini=, stack_end=0x7ffd4763b678) at ../csu/libc-start.c:310 self = __self = result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5506946324664727591, 94865707995104, 140725801170560, 0, 0, -2240925574734854183, -2280530182707525671}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fa2e1d9e733 <_dl_init+259>, 0x7fa2e1d816b8}, data = {prev = 0x0, cleanup = 0x0, canceltype = -505813197}}} not_first_call = #16 0x00005647a4d3900a in ?? () No symbol table info available. StacktraceAddressSignature: /usr/bin/stunnel4:6:/lib/x86_64-linux-gnu/libc-2.27.so+40801:/usr/bin/stunnel4+e3d0:/usr/bin/stunnel4+95b3:/usr/bin/stunnel4+9809:/usr/bin/stunnel4+9e44:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1+1757c8:/usr/lib/x86_64-linux-gnu/libssl.so.1.1+3ee58:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.1+1793fc:/usr/lib/x86_64-linux-gnu/libssl.so.1.1+404e7:/usr/bin/stunnel4+1d080:/usr/bin/stunnel4+1d109:/usr/bin/stunnel4+8c56:/lib/x86_64-linux-gnu/libc-2.27.so+21b97:/usr/bin/stunnel4+900a StacktraceSource: #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 [Error: raise.c was not found in source tree] #1 0x00007fa2e09d5801 in __GI_abort () at abort.c:79 [Error: abort.c was not found in source tree] #2 0x00005647a4d3e3d0 in ?? () #3 0x00005647a4d395b3 in ?? () #4 0x00005647a4d39809 in ?? () #5 0x00005647a4d39e44 in ?? () #6 0x00007fa2e17ab7c8 in CRYPTO_free_ex_data (class_index=class_index@entry=2, obj=obj@entry=0x7fa2d0019f90, ad=ad@entry=0x7fa2d001a0e0) at ../crypto/ex_data.c:354 [Error: ex_data.c was not found in source tree] #7 0x00007fa2e1b3fe58 in SSL_SESSION_free (ss=0x7fa2d0019f90) at ../ssl/ssl_sess.c:787 [Error: ssl_sess.c was not found in source tree] #8 0x00007fa2e17af3fc in doall_util_fn (arg=0x7ffd4763b460, arg@entry=0x7ffd4763b420, func_arg=func_arg@entry=0x7fa2e1b406f0 , func=0x0, use_arg=1, lh=0x5647a6551d40) at ../crypto/lhash/lhash.c:196 [Error: lhash.c was not found in source tree] #9 OPENSSL_LH_doall_arg (lh=0x5647a6551d40, func=func@entry=0x7fa2e1b406f0 , arg=arg@entry=0x7ffd4763b460) at ../crypto/lhash/lhash.c:211 [Error: lhash.c was not found in source tree] #10 0x00007fa2e1b414e7 in lh_SSL_SESSION_doall_TIMEOUT_PARAM (arg=0x7ffd4763b460, fn=0x7fa2e1b406f0 , lh=) at ../ssl/ssl_sess.c:1104 [Error: ssl_sess.c was not found in source tree] #11 SSL_CTX_flush_sessions (s=0x5647a65715f0, t=) at ../ssl/ssl_sess.c:1119 [Error: ssl_sess.c was not found in source tree] #12 0x00005647a4d4d080 in ?? () #13 0x00005647a4d4d109 in ?? () #14 0x00005647a4d38c56 in ?? () #15 0x00007fa2e09b6b97 in __libc_start_main (main=0x5647a4d38be0, argc=2, argv=0x7ffd4763b688, init=, fini=, rtld_fini=, stack_end=0x7ffd4763b678) at ../csu/libc-start.c:310 [Error: libc-start.c was not found in source tree] #16 0x00005647a4d3900a in ?? () StacktraceTop: ?? () ?? () ?? () ?? () CRYPTO_free_ex_data (class_index=class_index@entry=2, obj=obj@entry=0x7fa2d0019f90, ad=ad@entry=0x7fa2d001a0e0) at ../crypto/ex_data.c:354 ThreadStacktrace: . Thread 2 (Thread 0x7fa2df7ea700 (LWP 24375)): #0 0x00007fa2e0a799d0 in __GI___nanosleep (requested_time=requested_time@entry=0x7fa2df7e9df0, remaining=remaining@entry=0x7fa2df7e9df0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28 resultvar = 18446744073709551100 sc_cancel_oldtype = 0 sc_ret = #1 0x00007fa2e0a798aa in __sleep (seconds=0) at ../sysdeps/posix/sleep.c:55 save_errno = 0 ts = {tv_sec = 12254, tv_nsec = 870006639} #2 0x00005647a4d4c64f in ?? () No symbol table info available. #3 0x00007fa2e0d8d6db in start_thread (arg=0x7fa2df7ea700) at pthread_create.c:463 pd = 0x7fa2df7ea700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140337511048960, 2241716018176542681, 140337511046976, 0, 0, 140725801169984, -2280631025661425703, -2280530710522279975}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = #4 0x00007fa2e0ab688f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 No locals. . Thread 1 (Thread 0x7fa2e1fa80c0 (LWP 24373)): #0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51 set = {__val = {0, 140337533684800, 140725801169072, 94865733453904, 140725801169056, 15442105031219824384, 4, 94865733453904, 0, 15442105031219824384, 4, 1, 94865733453904, 1, 4, 94865708102691}} pid = tid = ret = #1 0x00007fa2e09d5801 in __GI_abort () at abort.c:79 save_stage = 1 act = {__sigaction_handler = {sa_handler = 0x5647a656bd10, sa_sigaction = 0x5647a656bd10}, sa_mask = {__val = {94865708083362, 1572911363, 206158430224, 140725801169664, 94865708014912, 17179869207, 17179869201, 511101108234, 1318554959873, 94862942666752, 18446744073709530016, 94865733327264, 94865707998636, 94865708111963, 140725801169488, 94865708083362}}, sa_flags = -1529528963, sa_restorer = 0x75} sigs = {__val = {32, 0 }} __cnt = __set = __cnt = __set = #2 0x00005647a4d3e3d0 in ?? () No symbol table info available. #3 0x00005647a4d395b3 in ?? () No symbol table info available. #4 0x00005647a4d39809 in ?? () No symbol table info available. #5 0x00005647a4d39e44 in ?? () No symbol table info available. #6 0x00007fa2e17ab7c8 in CRYPTO_free_ex_data (class_index=class_index@entry=2, obj=obj@entry=0x7fa2d0019f90, ad=ad@entry=0x7fa2d001a0e0) at ../crypto/ex_data.c:354 mx = i = 2 ip = 0x7fa2e1aff6f0 ptr = f = 0x5647a656b430 stack = {0x0, 0x5647a656b3a0, 0x5647a656b430, 0xd64d60b5ca214700, 0x7fa2d000bc80, 0x5647a65715f0, 0x7fa2d0019f90, 0x7fa2e17ab2c8 , 0x5, 0x5647a65715f0} storage = 0x7ffd4763b370 #7 0x00007fa2e1b3fe58 in SSL_SESSION_free (ss=0x7fa2d0019f90) at ../ssl/ssl_sess.c:787 i = ss = 0x7fa2d0019f90 i = i = #8 0x00007fa2e17af3fc in doall_util_fn (arg=0x7ffd4763b460, arg@entry=0x7ffd4763b420, func_arg=func_arg@entry=0x7fa2e1b406f0 , func=0x0, use_arg=1, lh=0x5647a6551d40) at ../crypto/lhash/lhash.c:196 i = 5 a = n = 0x7fa2c8012800 i = a = n = #9 OPENSSL_LH_doall_arg (lh=0x5647a6551d40, func=func@entry=0x7fa2e1b406f0 , arg=arg@entry=0x7ffd4763b460) at ../crypto/lhash/lhash.c:211 No locals. #10 0x00007fa2e1b414e7 in lh_SSL_SESSION_doall_TIMEOUT_PARAM (arg=0x7ffd4763b460, fn=0x7fa2e1b406f0 , lh=) at ../ssl/ssl_sess.c:1104 No locals. #11 SSL_CTX_flush_sessions (s=0x5647a65715f0, t=) at ../ssl/ssl_sess.c:1119 i = tp = {ctx = 0x5647a65715f0, time = 1572911664, cache = 0x5647a6551d40} #12 0x00005647a4d4d080 in ?? () No symbol table info available. #13 0x00005647a4d4d109 in ?? () No symbol table info available. #14 0x00005647a4d38c56 in ?? () No symbol table info available. #15 0x00007fa2e09b6b97 in __libc_start_main (main=0x5647a4d38be0, argc=2, argv=0x7ffd4763b688, init=, fini=, rtld_fini=, stack_end=0x7ffd4763b678) at ../csu/libc-start.c:310 self = __self = result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5506946324664727591, 94865707995104, 140725801170560, 0, 0, -2240925574734854183, -2280530182707525671}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fa2e1d9e733 <_dl_init+259>, 0x7fa2e1d816b8}, data = {prev = 0x0, cleanup = 0x0, canceltype = -505813197}}} not_first_call = #16 0x00005647a4d3900a in ?? () No symbol table info available.