------------[ cut here ]------------ WARNING: CPU: 1 PID: 3950 at lib/vsprintf.c:2724 format_decode+0x2a4/0x2e0 lib/vsprintf.c:2724 Please remove unsupported % in format string Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 UID: 0 PID: 3950 Comm: syz.0.26 Not tainted 6.16.0-rc4-syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a00>] (dump_backtrace) from [<80201afc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:8282083c r5:00000000 r4:8225bc78 [<80201ae4>] (show_stack) from [<8021fdd8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201ae4>] (show_stack) from [<8021fdd8>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120) [<8021fd84>] (dump_stack_lvl) from [<8021fe18>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:82a6dd18 [<8021fe00>] (dump_stack) from [<80202614>] (panic+0x120/0x374 kernel/panic.c:382) [<802024f4>] (panic) from [<802585b8>] (check_panic_on_warn kernel/panic.c:273 [inline]) [<802024f4>] (panic) from [<802585b8>] (get_taint+0x0/0x1c kernel/panic.c:268) r3:8280c684 r2:00000001 r1:822427a4 r0:8224a154 r7:81a238a4 [<80258544>] (check_panic_on_warn) from [<8025871c>] (__warn+0x80/0x188 kernel/panic.c:777) [<8025869c>] (__warn) from [<80258a0c>] (warn_slowpath_fmt+0x1e8/0x1f4 kernel/panic.c:812) r8:00000009 r7:8245ccc4 r6:df9f5b54 r5:84bd9800 r4:00000000 [<80258828>] (warn_slowpath_fmt) from [<81a238a4>] (format_decode+0x2a4/0x2e0 lib/vsprintf.c:2724) r10:ddddef04 r9:00000004 r8:df9f5c9b r7:00000004 r6:df9f5c9c r5:df9f5b98 r4:df9f5bdc [<81a23600>] (format_decode) from [<81a28798>] (bstr_printf+0x98/0x4b4 lib/vsprintf.c:3249) r7:df9f5bdc r6:ddddf109 r5:00000006 r4:df9f5c9b [<81a28700>] (bstr_printf) from [<803b519c>] (____bpf_trace_printk kernel/trace/bpf_trace.c:378 [inline]) [<81a28700>] (bstr_printf) from [<803b519c>] (bpf_trace_printk+0x88/0x18c kernel/trace/bpf_trace.c:363) r10:00000000 r9:df9f5ce0 r8:df9f5cec r7:00000000 r6:84bd9800 r5:df9f5c98 r4:df9f5c2c [<803b5114>] (bpf_trace_printk) from [<7f0032ac>] (bpf_prog_12183cdb1cd51dab+0x9c/0xb0) r9:00000000 r8:df9f5c98 r7:00000000 r6:803b5114 r5:84bd9800 r4:00007000 [<7f003210>] (bpf_prog_12183cdb1cd51dab) from [<81665260>] (bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]) [<7f003210>] (bpf_prog_12183cdb1cd51dab) from [<81665260>] (__bpf_prog_run include/linux/filter.h:718 [inline]) [<7f003210>] (bpf_prog_12183cdb1cd51dab) from [<81665260>] (bpf_prog_run include/linux/filter.h:725 [inline]) [<7f003210>] (bpf_prog_12183cdb1cd51dab) from [<81665260>] (bpf_test_run+0x1b0/0x3ac net/bpf/test_run.c:434) r9:df9f5d78 r8:8566cb40 r7:df9f5d78 r6:df9d1000 r5:84bd9800 r4:00007000 [<816650b0>] (bpf_test_run) from [<81666994>] (bpf_prog_test_run_skb+0x340/0x7d4 net/bpf/test_run.c:1099) r10:0000000e r9:85752c00 r8:00000000 r7:00000050 r6:df9f5ec0 r5:00000000 r4:8566cb40 [<81666654>] (bpf_prog_test_run_skb) from [<803d2ffc>] (bpf_prog_test_run kernel/bpf/syscall.c:4429 [inline]) [<81666654>] (bpf_prog_test_run_skb) from [<803d2ffc>] (__sys_bpf+0xdec/0x1fd0 kernel/bpf/syscall.c:5854) r10:b5403587 r9:20000080 r8:00000000 r7:00000000 r6:0000000a r5:df9f5e90 r4:df9d1000 [<803d2210>] (__sys_bpf) from [<803d4780>] (__do_sys_bpf kernel/bpf/syscall.c:5943 [inline]) [<803d2210>] (__sys_bpf) from [<803d4780>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:5941) r10:00000182 r9:84bd9800 r8:8020029c r7:00000182 r6:002f6300 r5:00000000 r4:00000000 [<803d4754>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xdf9f5fa8 to 0xdf9f5ff0) 5fa0: 00000000 00000000 0000000a 20000080 00000028 00000000 5fc0: 00000000 00000000 002f6300 00000182 002e0000 00000000 00006364 76b500bc 5fe0: 76b4fec0 76b4feb0 000193a4 00131f40 Rebooting in 86400 seconds..