------------[ cut here ]------------ Please remove unsupported %y in format string WARNING: CPU: 1 PID: 9331 at lib/vsprintf.c:2700 format_decode+0x8a9/0xcb0 lib/vsprintf.c:2700 Modules linked in: CPU: 1 UID: 0 PID: 9331 Comm: syz.2.914 Not tainted 6.14.0-syzkaller-05877-g1a9239bb4253 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:format_decode+0x8a9/0xcb0 lib/vsprintf.c:2700 Code: 49 28 04 01 90 4c 89 f8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 f0 03 00 00 41 0f b6 37 48 c7 c7 c0 2c 76 8d e8 98 8e 62 f5 90 <0f> 0b 90 90 e9 9c fc ff ff e8 d9 6a a3 f5 4d 89 ee 4c 8b 6c 24 08 RSP: 0018:ffffc9001ab3f420 EFLAGS: 00010246 RAX: 10f2df3f43b04c00 RBX: ffffffff8d7629a5 RCX: 0000000000080000 RDX: ffffc90005729000 RSI: 00000000000037e0 RDI: 00000000000037e1 RBP: ffffffff8d7629a4 R08: ffffffff81829db2 R09: 1ffffffff20bc88e R10: dffffc0000000000 R11: fffffbfff20bc88f R12: dffffc0000000000 R13: 0000000000000079 R14: 0000000000000000 R15: ffffc9001ab3f6cc FS: 00007f9f7f1a06c0(0000) GS:ffff8881250ea000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2a15de CR3: 000000005f49c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bstr_printf+0x167/0xef0 lib/vsprintf.c:3225 ____bpf_trace_printk kernel/trace/bpf_trace.c:378 [inline] bpf_trace_printk+0x1a3/0x230 kernel/trace/bpf_trace.c:363 bpf_prog_9969fcbc4dad73b0+0x41/0x43 bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2358 [inline] bpf_trace_run10+0x422/0x680 kernel/trace/bpf_trace.c:2407 __bpf_trace_percpu_alloc_percpu+0x5ea/0x810 include/trace/events/percpu.h:11 __do_trace_percpu_alloc_percpu include/trace/events/percpu.h:11 [inline] trace_percpu_alloc_percpu include/trace/events/percpu.h:11 [inline] pcpu_alloc_noprof+0x15ba/0x1760 mm/percpu.c:1892 bpf_map_alloc_percpu+0xdc/0x1d0 kernel/bpf/syscall.c:555 bpf_map_init_elem_count include/linux/bpf.h:2382 [inline] htab_map_alloc+0x3a4/0xeb0 kernel/bpf/hashtab.c:528 map_create+0x946/0x11c0 kernel/bpf/syscall.c:1455 __sys_bpf+0x6de/0x850 kernel/bpf/syscall.c:5777 __do_sys_bpf kernel/bpf/syscall.c:5902 [inline] __se_sys_bpf kernel/bpf/syscall.c:5900 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5900 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9f7e38d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9f7f1a0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f9f7e5a5fa0 RCX: 00007f9f7e38d169 RDX: 0000000000000048 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007f9f7e40e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f9f7e5a5fa0 R15: 00007ffc43ad3c68