------------[ cut here ]------------ WARNING: CPU: 0 PID: 12839 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: 0 UID: 0 PID: 12839 Comm: syz.5.521 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 r4:8225c1d0 [<80201ae4>] (show_stack) from [<8021fd6c>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201ae4>] (show_stack) from [<8021fd6c>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120) [<8021fd18>] (dump_stack_lvl) from [<8021fdac>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:82a6dd18 [<8021fd94>] (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 r1:82242d00 r0:8224a6b0 r7:81a23c24 [<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 r7:8245d448 r6:edbe1b54 r5:855da400 r4:00000000 [<80258828>] (warn_slowpath_fmt) from [<81a23c24>] (format_decode+0x2a4/0x2e0 lib/vsprintf.c:2724) r10:dddcaf04 r9:00000004 r8:edbe1c9b r7:00000004 r6:edbe1c9c r5:edbe1b98 r4:edbe1bdc [<81a23980>] (format_decode) from [<81a28b18>] (bstr_printf+0x98/0x4b4 lib/vsprintf.c:3249) r7:edbe1bdc r6:dddcb109 r5:00000006 r4:edbe1c9b [<81a28a80>] (bstr_printf) from [<803b518c>] (____bpf_trace_printk kernel/trace/bpf_trace.c:378 [inline]) [<81a28a80>] (bstr_printf) from [<803b518c>] (bpf_trace_printk+0x88/0x18c kernel/trace/bpf_trace.c:363) r10:f57cda7e r9:edbe1ce0 r8:edbe1cec r7:00000000 r6:855da400 r5:edbe1c98 r4:edbe1c2c [<803b5104>] (bpf_trace_printk) from [<7f39ae0c>] (bpf_prog_12183cdb1cd51dab+0x9c/0xb0) r9:00000000 r8:edbe1c98 r7:00000000 r6:803b5104 r5:855da400 r4:00000000 [<7f39ad70>] (bpf_prog_12183cdb1cd51dab) from [<816656f0>] (bpf_dispatcher_nop_func include/linux/bpf.h:1322 [inline]) [<7f39ad70>] (bpf_prog_12183cdb1cd51dab) from [<816656f0>] (__bpf_prog_run include/linux/filter.h:709 [inline]) [<7f39ad70>] (bpf_prog_12183cdb1cd51dab) from [<816656f0>] (bpf_prog_run include/linux/filter.h:725 [inline]) [<7f39ad70>] (bpf_prog_12183cdb1cd51dab) from [<816656f0>] (bpf_test_run+0x2a8/0x3ac net/bpf/test_run.c:434) r9:edbe1d78 r8:85fc60c0 r7:edbe1d78 r6:edbe7000 r5:855da400 r4:00000000 [<81665448>] (bpf_test_run) from [<81666d2c>] (bpf_prog_test_run_skb+0x340/0x7d4 net/bpf/test_run.c:1099) r10:0000000e r9:84fd2800 r8:00000000 r7:00000050 r6:edbe1ec0 r5:00000000 r4:85fc60c0 [<816669ec>] (bpf_prog_test_run_skb) from [<803d2fec>] (bpf_prog_test_run kernel/bpf/syscall.c:4429 [inline]) [<816669ec>] (bpf_prog_test_run_skb) from [<803d2fec>] (__sys_bpf+0xdec/0x1fd0 kernel/bpf/syscall.c:5854) r10:b5403587 r9:20000080 r8:00000000 r7:00000000 r6:0000000a r5:edbe1e90 r4:edbe7000 [<803d2200>] (__sys_bpf) from [<803d4770>] (__do_sys_bpf kernel/bpf/syscall.c:5943 [inline]) [<803d2200>] (__sys_bpf) from [<803d4770>] (sys_bpf+0x2c/0x48 kernel/bpf/syscall.c:5941) r10:00000182 r9:855da400 r8:8020029c r7:00000182 r6:002f6300 r5:00000000 r4:00000000 [<803d4744>] (sys_bpf) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xedbe1fa8 to 0xedbe1ff0) 1fa0: 00000000 00000000 0000000a 20000080 00000028 00000000 1fc0: 00000000 00000000 002f6300 00000182 002e0000 00000000 00006364 76bfe0bc 1fe0: 76bfdec0 76bfdeb0 000193a4 00131f40 Rebooting in 86400 seconds..