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verifier bug: not inlined functions bpf_send_signal#109 is missing func(1)
WARNING: CPU: 1 PID: 6968 at kernel/bpf/verifier.c:22840 do_misc_fixups kernel/bpf/verifier.c:22838 [inline]
WARNING: CPU: 1 PID: 6968 at kernel/bpf/verifier.c:22840 bpf_check+0x1559c/0x15d8c kernel/bpf/verifier.c:24742
Modules linked in:
CPU: 1 UID: 0 PID: 6968 Comm: syz.3.45 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : do_misc_fixups kernel/bpf/verifier.c:22838 [inline]
pc : bpf_check+0x1559c/0x15d8c kernel/bpf/verifier.c:24742
lr : do_misc_fixups kernel/bpf/verifier.c:22838 [inline]
lr : bpf_check+0x1559c/0x15d8c kernel/bpf/verifier.c:24742
sp : ffff8000a45d7480
x29: ffff8000a45d7980 x28: dfff800000000000 x27: 0000000000000002
x26: 1ffff00013253c0b x25: ffff80009929e05c x24: ffff0000cb2e0008
x23: ffff80009929e058 x22: ffff80008b1440c0 x21: ffff800092df4000
x20: ffff80009929e05c x19: 1ffff00013253c0b x18: 00000000b7030000
x17: 0000000000000000 x16: ffff80008b007230 x15: 0000000000000001
x14: 1fffe000337a06f2 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 00000000000074de x9 : 37d07471c9d1f300
x8 : 37d07471c9d1f300 x7 : ffff800080563af4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de334
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 do_misc_fixups kernel/bpf/verifier.c:22838 [inline] (P)
 bpf_check+0x1559c/0x15d8c kernel/bpf/verifier.c:24742 (P)
 bpf_prog_load+0xec8/0x13fc kernel/bpf/syscall.c:2979
 __sys_bpf+0x450/0x628 kernel/bpf/syscall.c:6029
 __do_sys_bpf kernel/bpf/syscall.c:6139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6137 [inline]
 __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:6137
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 308
hardirqs last  enabled at (307): [<ffff8000805598e4>] vprintk_store+0x898/0xac8 kernel/printk/printk.c:2356
hardirqs last disabled at (308): [<ffff80008b001bfc>] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574
softirqs last  enabled at (132): [<ffff800080201608>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (130): [<ffff8000802015d4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---