Hi Luis, On Wed, Nov 6, 2024 at 12:24 AM Luis Chamberlain <mcgrof@xxxxxxxxxx> wrote: > > Use 0 for the values as we use them for the return value on init > to keep the test modules simple. This fixes a splat reported > > do_init_module: 'test_kallsyms_b'->init suspiciously returned 255, it should follow 0/-E convention > do_init_module: loading module anyway... > CPU: 5 UID: 0 PID: 1873 Comm: modprobe Not tainted 6.12.0-rc3+ #4 > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.08-1 09/18/2024 > Call Trace: > <TASK> > dump_stack_lvl+0x56/0x80 > do_init_module.cold+0x21/0x26 > init_module_from_file+0x88/0xf0 > idempotent_init_module+0x108/0x300 > __x64_sys_finit_module+0x5a/0xb0 > do_syscall_64+0x4b/0x110 > entry_SYSCALL_64_after_hwframe+0x76/0x7e > RIP: 0033:0x7f4f3a718839 > Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff> > RSP: 002b:00007fff97d1a9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 > RAX: ffffffffffffffda RBX: 000055b94001ab90 RCX: 00007f4f3a718839 > RDX: 0000000000000000 RSI: 000055b910e68a10 RDI: 0000000000000004 > RBP: 0000000000000000 R08: 00007f4f3a7f1b20 R09: 000055b94001c5b0 > R10: 0000000000000040 R11: 0000000000000246 R12: 000055b910e68a10 > R13: 0000000000040000 R14: 000055b94001ad60 R15: 0000000000000000 > </TASK> > do_init_module: 'test_kallsyms_b'->init suspiciously returned 255, it should follow 0/-E convention > do_init_module: loading module anyway... > CPU: 1 UID: 0 PID: 1884 Comm: modprobe Not tainted 6.12.0-rc3+ #4 > Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 2024.08-1 09/18/2024 > Call Trace: > <TASK> > dump_stack_lvl+0x56/0x80 > do_init_module.cold+0x21/0x26 > init_module_from_file+0x88/0xf0 > idempotent_init_module+0x108/0x300 > __x64_sys_finit_module+0x5a/0xb0 > do_syscall_64+0x4b/0x110 > entry_SYSCALL_64_after_hwframe+0x76/0x7e > RIP: 0033:0x7ffaa5d18839 > > Reported-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> > Signed-off-by: Luis Chamberlain <mcgrof@xxxxxxxxxx> > --- > lib/tests/module/gen_test_kallsyms.sh | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/lib/tests/module/gen_test_kallsyms.sh b/lib/tests/module/gen_test_kallsyms.sh > index ae5966f1f904..3f2c626350ad 100755 > --- a/lib/tests/module/gen_test_kallsyms.sh > +++ b/lib/tests/module/gen_test_kallsyms.sh > @@ -32,7 +32,7 @@ gen_num_syms() > PREFIX=$1 > NUM=$2 > for i in $(seq 1 $NUM); do > - printf "int auto_test_%s_%010d = 0xff;\n" $PREFIX $i > + printf "int auto_test_%s_%010d = 0;\n" $PREFIX $i > printf "EXPORT_SYMBOL_GPL(auto_test_%s_%010d);\n" $PREFIX $i > done > echo Looks good to me. Thanks! Reviewed-by: Sami Tolvanen <samitolvanen@xxxxxxxxxx> Sami
