------------[ cut here ]------------
[    0.021394] Interrupts were enabled early
[    0.022195] WARNING: CPU: 0 PID: 0 at init/main.c:1023 start_kernel+0x30c/0x384
[    0.023661] Modules linked in:
[    0.025049] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-rc6-next-20250512 #1 PREEMPT 
[    0.025650] Hardware name: linux,dummy-virt (DT)
[    0.026148] pstate: 60000009 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    0.026635] pc : start_kernel+0x30c/0x384
[    0.026876] lr : start_kernel+0x30c/0x384
[    0.027085] sp : ffffa88484943e80
[    0.027371] x29: ffffa88484943e90 x28: 0000000000000000 x27: 0000000000000000
[    0.027913] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[    0.028416] x23: 0000000000000000 x22: 0000000000000000 x21: 0000000048000000
[    0.028740] x20: ffffa8848494a000 x19: ffffa88484955cc0 x18: 0000000000000038
[    0.029179] x17: 0000000000000000 x16: 0000000000000001 x15: 0000000000000003
[    0.029536] x14: ffffa8848497f2d8 x13: 0000000000000003 x12: 0000000000000003
[    0.030036] x11: 00000000ffffefff x10: c0000000ffffefff x9 : b9b24baa9ac79700
[    0.030474] x8 : b9b24baa9ac79700 x7 : 3439333132302e30 x6 : 202020205b3e343c
[    0.030896] x5 : ffffa88484ec02c3 x4 : ffffa88484943a3a x3 : 0000000000000000
[    0.031251] x2 : 0000000000000000 x1 : ffffa88484943c20 x0 : 000000000000001d
[    0.031761] Call trace:
[    0.032206]  start_kernel+0x30c/0x384 (P)
[    0.032795]  __primary_switched+0x88/0x90
[    0.033364] ---[ end trace 0000000000000000 ]---

<8>[   26.211428] <LAVA_SIGNAL_TESTCASE TEST_CASE_ID=shardfile-sigaltstack RESULT=fail>
shardfile-sigaltstack fail