MTR breaks plugin rr traces

mtr --rr spider.vers_derived

Thread 14 (Thread 3415313.3415527 (mariadbd)):

#0  0x0000000070000002 in syscall_traced ()

#1  0x00007503ea93ec9b in _raw_syscall () at /usr/src/rr-5.8.0-1/src/preload/raw_syscall.S:120

#2  0x00007503ea9388bd in traced_raw_syscall (call=call@entry=0x7503c7bfffa0) at /usr/src/rr-5.8.0-1/src/preload/syscallbuf.c:377

#3  0x00007503ea93a337 in sys_poll (call=call@entry=0x7503c7bfffa0) at /usr/src/rr-5.8.0-1/src/preload/syscallbuf.c:2660

#4  0x00007503ea93ca64 in syscall_hook_internal (call=0x7503c7bfffa0) at /usr/src/rr-5.8.0-1/src/preload/syscallbuf.c:4218

#5  syscall_hook (call=0x7503c7bfffa0) at /usr/src/rr-5.8.0-1/src/preload/syscallbuf.c:4355

#6  syscall_hook (call=0x7503c7bfffa0) at /usr/src/rr-5.8.0-1/src/preload/syscallbuf.c:4339

#7  0x00007503ea9382d3 in _syscall_hook_trampoline () at /usr/src/rr-5.8.0-1/src/preload/syscall_hook.S:308

#8  0x00007503ea93833d in __morestack () at /usr/src/rr-5.8.0-1/src/preload/syscall_hook.S:443

#9  0x00007503ea938359 in _syscall_hook_trampoline_48_3d_00_f0_ff_ff () at /usr/src/rr-5.8.0-1/src/preload/syscall_hook.S:462

#10 0x00007503ea11a215 in __GI___poll (fds=0x7503e807f978, nfds=1, timeout=600000) at ../sysdeps/unix/sysv/linux/poll.c:29

#11 0x00005e28cb88528e in vio_io_wait (vio=0x7503cc405028, event=VIO_IO_EVENT_READ, timeout=600000) at ../src/vio/viosocket.c:1000

#12 0x00005e28cb884ff5 in vio_socket_io_wait (vio=0x7503cc405028, event=VIO_IO_EVENT_READ) at ../src/vio/viosocket.c:118

#13 0x00005e28cb88564f in vio_read (vio=0x7503cc405028, buf=0x7503cc0788d8 "\a", size=16384) at ../src/vio/viosocket.c:199

#14 0x00005e28cb885ba6 in vio_read_buff (vio=0x7503cc405028, buf=0x7503cc2a9b88 "\230", size=4) at ../src/vio/viosocket.c:247

#15 0x00005e28cb3449fb in my_real_read (net=0x7503cc1fad78, complen=0x7503e807fbf0, header=0 '\000') at ../src/sql/net_serv.cc:996

#16 0x00005e28cb34447e in my_net_read_packet_reallen (net=0x7503cc1fad78, read_from_server=0 '\000', reallen=0x7503e807fcb0) at ../src/sql/net_serv.cc:1277

#17 0x00005e28cb3390b9 in cli_safe_read_reallen (mysql=0x7503cc1fad78, reallen=0x7503e807fcb0) at ../src/sql-common/client.c:385

#18 0x00005e28cb339071 in cli_safe_read (mysql=0x7503cc1fad78) at ../src/sql-common/client.c:374

#19 0x00005e28cb3425dc in cli_read_query_result (mysql=0x7503cc1fad78) at ../src/sql-common/client.c:3533

#20 0x00005e28cb34025d in server_mysql_real_query (mysql=0x7503cc1fad78, query=0x7503cc393818 "select `x`,`row_start`,`row_end` from `test`.`t10` where ((`row_end` > '2024-10-07 17:35:46.398977') and (`row_start` <= '2024-10-07 17:35:46.398977'))", length=151) at ../src/sql-common/client.c:3627

#21 0x00007503e0193648 in ?? ()

#22 0x0000000100010000 in ?? ()

#23 0x00005e28cbf3bb62 in _my_thread_var () at ../src/mysys/my_thr_init.c:389

#24 0x00007503e00cac39 in ?? ()

#25 0x00007503e8080170 in ?? ()

#26 0x00005e28cbf3c4e0 in my_thread_var_dbug () at ../src/mysys/my_thr_init.c:439

#27 0x00007503e01c42fc in ?? ()

#28 0x00007503e80802a0 in ?? ()

#29 0x00007503cc406bb8 in ?? ()

#30 0x00007503cc406558 in ?? ()

#31 0x00000000cb5ad320 in ?? ()

#32 0x0000010000000001 in ?? ()

#33 0x00007503cc001618 in ?? ()

#34 0x00007503e0082234 in ?? ()

#35 0x00007503e0084f65 in ?? ()

#36 0x000005e38000000e in ?? ()

#37 0x00007503cc0015b0 in ?? ()

#38 0x0000000000000097 in ?? ()

#39 0x0000000000000001 in ?? ()

#40 0x00000000e8080320 in ?? ()

#41 0x00007503cc2d3fb0 in ?? ()

#42 0x0000000dcc18ad88 in ?? ()

#43 0x00000258e80802e8 in ?? ()

#44 0x00007503e0075476 in ?? ()

#45 0x00007503e00819de in ?? ()

#46 0x000031de8000000d in ?? ()

#47 0x00007503e8080438 in ?? ()

#48 0x00000097e0075476 in ?? ()

#49 0x00007503cc2d4000 in ?? ()

#50 0x00007503cc3d6a98 in ?? ()

#51 0x00000003e8080438 in ?? ()

#52 0x00007503cc406bb8 in ?? ()

#53 0x0000000000000001 in ?? ()

#54 0x00007503cc2d3fb0 in ?? ()

#55 0x00007503cc406bb8 in ?? ()

#56 0x00007503e8080370 in ?? ()

#57 0x00007503e0164fb2 in ?? ()

#58 0x00007503cc2d3fb0 in ?? ()

#59 0x00007503cc406bb8 in ?? ()

#60 0x0000000000000001 in ?? ()

#61 0x00007503e8080464 in ?? ()

#62 0x0000000000000000 in ?? ()

export RR_LOG=all:debug

[record_signal] 3459971: handling signal SIGSTKFLT (pevent: PTRACE_EVENT(0), event: (none)

[record_signal] Not safe to deliver signal at 0x73de3154345a

[RecordTask] Set signal mask to block all signals (bar SYSCALLBUF_DESCHED_SIGNAL/TIME_SLICE_SIGNAL) while we  have a stashed signal

[record_signal] Reached final syscallbuf instruction, singlestepping to enable signal dispatch

[record_signal] 3459971: handling signal SIGSTKFLT (pevent: PTRACE_EVENT(0), event: (none)

[record_signal] Safe to deliver signal at 0x73de30d2a882 because not in syscallbuf

[record_signal] 3459971: handling signal SIGPWR (pevent: PTRACE_EVENT(0), event: (none)

[record_signal]   dropping ignored SIGPWR

[record_signal]   (at disarm-desched, so finished buffered syscall; resuming)

...

[record_signal] 3459971: handling signal SIGSTKFLT (pevent: PTRACE_EVENT(0), event: (none)

[record_signal] Not safe to deliver signal at 0x73de3154345a

[RecordTask] Set signal mask to block all signals (bar SYSCALLBUF_DESCHED_SIGNAL/TIME_SLICE_SIGNAL) while we  have a stashed signal

[record_signal] Reached final syscallbuf instruction, singlestepping to enable signal dispatch

[record_signal] 3459971: handling signal SIGSTKFLT (pevent: PTRACE_EVENT(0), event: (none)

[record_signal] Safe to deliver signal at 0x73de30d2a882 because not in syscallbuf

[record_signal] 3459971: handling signal SIGPWR (pevent: PTRACE_EVENT(0), event: (none)

[record_signal]   dropping ignored SIGPWR

[record_signal]   (at disarm-desched, so finished buffered syscall; resuming)

2024-10-07 19:54:43 0 [Note] Got signal 15 to shutdown mysqld

[record_signal] 3459739: handling signal SIGUSR1 (pevent: PTRACE_EVENT(0), event: SYSCALL_INTERRUPTION: poll

[record_signal] 3462104: handling signal SIGSTKFLT (pevent: PTRACE_EVENT(0), event: (none)

[record_signal] Safe to deliver signal at 0x601027a14905 because not in syscallbuf