Tombstone in during fastrpc_apps_user_deinit

[ekanshibu]

05-29 06:41:37.107 6258 6258 F libc : Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x7c8 in tid 6258 (cdsprpcd), pid 6258 (cdsprpcd)
05-29 06:41:37.109 6283 6283 I crash_dump64: obtaining output fd from tombstoned, type: kDebuggerdTombstoneProto
05-29 06:41:37.112 1072 1072 I tombstoned: received crash request for pid 6254
05-29 06:41:37.113 6283 6283 I crash_dump64: performing dump of process 6254 (target tid = 6254)
05-29 06:41:37.126 6288 6288 I crash_dump64: obtaining output fd from tombstoned, type: kDebuggerdTombstoneProto
05-29 06:41:37.127 1072 1072 I tombstoned: received crash request for pid 6257
05-29 06:41:37.127 1072 1072 I tombstoned: enqueueing crash request for pid 6257
05-29 06:41:37.147 6283 6283 F DEBUG : *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
05-29 06:41:37.147 6283 6283 F DEBUG : Build fingerprint: 'qti/pineapple/pineapple:VanillaIceCream/AQ3A.240515.002/eng.lnxbui.20240528.234048:userdebug/test-keys'
05-29 06:41:37.147 6283 6283 F DEBUG : Revision: '0'
05-29 06:41:37.147 6283 6283 F DEBUG : ABI: 'arm64'
05-29 06:41:37.147 6283 6283 F DEBUG : Timestamp: 2024-05-29 06:41:37.115302228+0000
05-29 06:41:37.231 474 474 I logd : logdr: UID=1000 GID=1013 PID=6283 n tail=500 logMask=8 pid=6254 start=0ns deadline=0ns
05-29 06:41:37.147 6283 6283 F DEBUG : Process uptime: 4s
05-29 06:41:37.147 6283 6283 F DEBUG : Cmdline: /vendor/bin/adsprpcd rootpd adsp
05-29 06:41:37.233 474 474 I logd : logdr: UID=1000 GID=1013 PID=6283 n tail=500 logMask=1 pid=6254 start=0ns deadline=0ns
05-29 06:41:37.147 6283 6283 F DEBUG : pid: 6254, tid: 6254, name: adsprpcd >>> /vendor/bin/adsprpcd <<<
05-29 06:41:37.147 6283 6283 F DEBUG : uid: 1000
05-29 06:41:37.147 6283 6283 F DEBUG : tagged_addr_ctrl: 0000000000000001 (PR_TAGGED_ADDR_ENABLE)
05-29 06:41:37.147 6283 6283 F DEBUG : pac_enabled_keys: 000000000000000f (PR_PAC_APIAKEY, PR_PAC_APIBKEY, PR_PAC_APDAKEY, PR_PAC_APDBKEY)
05-29 06:41:37.147 6283 6283 F DEBUG : signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0000000000000030
05-29 06:41:37.147 6283 6283 F DEBUG : Cause: null pointer dereference
05-29 06:41:37.147 6283 6283 F DEBUG : x0 0000000000000030 x1 000000717954e484 x2 000000717954e484 x3 0000007fc017d6e8
05-29 06:41:37.147 6283 6283 F DEBUG : x4 0000000000002880 x5 0000000000005610 x6 6d68606c6e631f39 x7 7f7f7f7f7f7f7f7f
05-29 06:41:37.147 6283 6283 F DEBUG : x8 000000000001ed40 x9 000000000001bfb0 x10 0000000000000001 x11 000000000000fc17
05-29 06:41:37.147 6283 6283 F DEBUG : x12 b400007147ea5b10 x13 0000000000000000 x14 0000000000000018 x15 0000000000000041
05-29 06:41:37.147 6283 6283 F DEBUG : x16 0000006ee7ab5040 x17 00000071794c1d3c x18 0000007179a44000 x19 00000000000025f8
05-29 06:41:37.147 6283 6283 F DEBUG : x20 0000006ee7a95920 x21 0000006ee7ab6ee0 x22 0000000000000010 x23 0000000000000288
05-29 06:41:37.147 6283 6283 F DEBUG : x24 000000717aa03000 x25 000000717a851a9e x26 000000717a85482d x27 0000000000000002
05-29 06:41:37.147 6283 6283 F DEBUG : x28 0000006ee7a8b9cc x29 0000007fc017d700
05-29 06:41:37.147 6283 6283 F DEBUG : lr 001d406ee7a8c258 sp 0000007fc017d700 pc 00000071794c1d4c pst 0000000080001000
05-29 06:41:37.147 6283 6283 F DEBUG : 9 total frames
05-29 06:41:37.147 6283 6283 F DEBUG : backtrace:
05-29 06:41:37.147 6283 6283 F DEBUG : #00 pc 000000000007ad4c /apex/com.android.runtime/lib64/bionic/libc.so (pthread_mutex_lock+16) (BuildId: dd6560442b7250fcf9c4588e0339c355)
05-29 06:41:37.147 6283 6283 F DEBUG : #1 pc 000000000002e254 /vendor/lib64/libadsprpc.so (fastrpc_apps_user_deinit+500)
05-29 06:41:37.147 6283 6283 F DEBUG : #2 pc 00000000000b45bc /apex/com.android.runtime/bin/linker64 (__dl__ZN6soinfo16call_destructorsEv+448) (BuildId: b56f112d7879bf5204cb6ba6bb757e6c)
05-29 06:41:37.147 6283 6283 F DEBUG : #3 pc 000000000009b4b8 /apex/com.android.runtime/bin/linker64 (__dl__ZL13soinfo_unloadP6soinfo.__uniq.250007671217850615957365636956552013758+1220) (BuildId: b56f112d7879bf5204cb6ba6bb757e6c)
05-29 06:41:37.147 6283 6283 F DEBUG : #4 pc 000000000009d1ac /apex/com.android.runtime/bin/linker64 (__dl__Z10do_dlclosePv+116) (BuildId: b56f112d7879bf5204cb6ba6bb757e6c)
05-29 06:41:37.147 6283 6283 F DEBUG : #5 pc 00000000000974a0 /apex/com.android.runtime/bin/linker64 (__loader_dlclose+40) (BuildId: b56f112d7879bf5204cb6ba6bb757e6c)
05-29 06:41:37.147 6283 6283 F DEBUG : #6 pc 00000000000100cc /apex/com.android.runtime/lib64/bionic/libdl.so (dlclose+12) (BuildId: e0f40a4b7cfb136b90e0352cced2caff)
05-29 06:41:37.147 6283 6283 F DEBUG : #7 pc 0000000000001b70 /vendor/bin/adsprpcd (main+224)
05-29 06:41:37.147 6283 6283 F DEBUG : #8 pc 0000000000061948 /apex/com.android.runtime/lib64/bionic/libc.so (__libc_init+120) (BuildId: dd6560442b7250fcf9c4588e0339c355)
--------- beginning of system

The issue seems to be coming because mutex is getting used after it's destroyed.