`node --help' crashes inside qemu-user in 17.2.0 #517
Description
Nodejs crashes when executing node --help, probably after nodejs/node#40488.
Version:
qemu-user: 6.2.0
node: 17.2.0 (but bisected to that PR)
GDB stack trace doesn't seem very useful with QEMU_GDB:
>>> thr apply all bt
Thread 7 (Thread 1.129 (CPU#6 [running])):
#0 0x00000040066abc06 in __futex_abstimed_wait_common64 () from /mnt/rv64/usr/lib/libpthread.so.0
#1 0x00000040066a9128 in __new_sem_wait_slow64.constprop.0 () from /mnt/rv64/usr/lib/libpthread.so.0
#2 0x00000040040f1f70 in uv_sem_wait () from /mnt/rv64/usr/lib/libuv.so.1
Backtrace stopped: frame did not save the PC
Thread 6 (Thread 1.128 (CPU#5 [running])):
#0 0x00000040066abc06 in __futex_abstimed_wait_common64 () from /mnt/rv64/usr/lib/libpthread.so.0
#1 0x00000040066a7024 in pthread_cond_wait@@GLIBC_2.27 () from /mnt/rv64/usr/lib/libpthread.so.0
#2 0x00000040040f1f38 in uv_cond_wait () from /mnt/rv64/usr/lib/libuv.so.1
Backtrace stopped: frame did not save the PC
Thread 5 (Thread 1.127 (CPU#4 [running])):
#0 0x00000040066abc06 in __futex_abstimed_wait_common64 () from /mnt/rv64/usr/lib/libpthread.so.0
#1 0x00000040066a7024 in pthread_cond_wait@@GLIBC_2.27 () from /mnt/rv64/usr/lib/libpthread.so.0
#2 0x00000040040f1f38 in uv_cond_wait () from /mnt/rv64/usr/lib/libuv.so.1
Backtrace stopped: frame did not save the PC
Thread 4 (Thread 1.126 (CPU#3 [running])):
#0 0x00000040066abc06 in __futex_abstimed_wait_common64 () from /mnt/rv64/usr/lib/libpthread.so.0
#1 0x00000040066a7024 in pthread_cond_wait@@GLIBC_2.27 () from /mnt/rv64/usr/lib/libpthread.so.0
#2 0x00000040040f1f38 in uv_cond_wait () from /mnt/rv64/usr/lib/libuv.so.1
Backtrace stopped: frame did not save the PC
Thread 3 (Thread 1.125 (CPU#2 [running])):
#0 0x00000040066abc06 in __futex_abstimed_wait_common64 () from /mnt/rv64/usr/lib/libpthread.so.0
#1 0x00000040066a7024 in pthread_cond_wait@@GLIBC_2.27 () from /mnt/rv64/usr/lib/libpthread.so.0
#2 0x00000040040f1f38 in uv_cond_wait () from /mnt/rv64/usr/lib/libuv.so.1
Backtrace stopped: frame did not save the PC
Thread 2 (Thread 1.124 (CPU#1 [running])):
#0 0x000000400675b322 in epoll_pwait () from /mnt/rv64/usr/lib/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
Thread 1 (Thread 1.121 (CPU#0 [running])):
#0 0x00007f8e54046b54 in ?? ()
Instructions around $pc:
>>> x/40i 0x00007f8e54046b00
0x7f8e54046b00: bnez a0,0x7f8e54046c4c
0x7f8e54046b04: addi sp,sp,-56
0x7f8e54046b08: ld t2,-40(s0)
0x7f8e54046b0c: ld a0,-48(s0)
0x7f8e54046b10: sub a6,a0,t2
0x7f8e54046b14: ld a1,-56(s0)
0x7f8e54046b18: addi a0,a6,-1
0x7f8e54046b1c: slli t1,a1,0x0
0x7f8e54046b20: sub a0,a0,t1
0x7f8e54046b24: sd a0,-80(s0)
0x7f8e54046b28: lui a5,0x3fc73
0x7f8e54046b2c: addi a5,a5,-1534
0x7f8e54046b30: slli a5,a5,0xb
0x7f8e54046b34: ori a5,a5,409
0x7f8e54046b38: slli a5,a5,0x6
0x7f8e54046b3c: ori a5,a5,33
0x7f8e54046b40: bnez a1,0x7f8e54046b4c
0x7f8e54046b44: li a7,10
0x7f8e54046b48: j 0x7f8e54046b58
0x7f8e54046b4c: addi s3,a6,-1
0x7f8e54046b50: add t1,t2,s3
=> 0x7f8e54046b54: lbu a7,0(t1)
0x7f8e54046b58: sd a0,-104(s0)
0x7f8e54046b5c: sd a0,-112(s0)
0x7f8e54046b60: sd a0,-120(s0)
0x7f8e54046b64: sd a0,-128(s0)
0x7f8e54046b68: sd a0,-136(s0)
0x7f8e54046b6c: sd a0,-144(s0)
0x7f8e54046b70: lui t0,0x200
0x7f8e54046b74: addi t0,t0,329
0x7f8e54046b78: slli t0,t0,0xb
0x7f8e54046b7c: ori t0,t0,700
0x7f8e54046b80: slli t0,t0,0x6
0x7f8e54046b84: ori t0,t0,24
0x7f8e54046b88: ld t0,0(t0)
0x7f8e54046b8c: j 0x7f8e540466cc
0x7f8e54046b90: ld a1,-48(s0)
0x7f8e54046b94: ld a0,-32(s0)
0x7f8e54046b98: ld a2,-56(s0)
0x7f8e54046b9c: sub a1,t2,a1
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