------------[ cut here ]------------ WARNING: CPU: 0 PID: 14639 at kernel/bpf/helpers.c:712 try_get_fmt_tmp_buf kernel/bpf/helpers.c:712 [inline] WARNING: CPU: 0 PID: 14639 at kernel/bpf/helpers.c:712 bpf_bprintf_prepare+0xeba/0x10b0 kernel/bpf/helpers.c:760 Modules linked in: CPU: 0 PID: 14639 Comm: syz-executor.4 Not tainted 5.12.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:try_get_fmt_tmp_buf kernel/bpf/helpers.c:712 [inline] RIP: 0010:bpf_bprintf_prepare+0xeba/0x10b0 kernel/bpf/helpers.c:760 Code: c6 e8 3a 4d 5e 02 83 c0 01 48 98 48 01 c5 48 89 6c 24 08 e8 78 0a ed ff 8d 6b 02 83 44 24 10 01 e9 d6 f5 ff ff e8 66 0a ed ff <0f> 0b 65 ff 0d fd 12 7c 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 dd RSP: 0018:ffffc90000007290 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000100 RDX: ffff8880261c8000 RSI: ffffffff8186ebfa RDI: 0000000000000003 RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8186e794 R11: 0000000000000000 R12: ffffc900000073c0 R13: 0000000000000100 R14: ffffc90000007478 R15: 0000000000000003 FS: 00007f15eb7f0700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32427000 CR3: 00000000298cc000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ____bpf_trace_printk kernel/trace/bpf_trace.c:389 [inline] bpf_trace_printk+0xab/0x3a0 kernel/trace/bpf_trace.c:380 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 14639 Comm: syz-executor.4 Not tainted 5.12.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 panic+0x306/0x73d kernel/panic.c:231 __warn.cold+0x35/0x44 kernel/panic.c:605 report_bug+0x1bd/0x210 lib/bug.c:195 handle_bug+0x3c/0x60 arch/x86/kernel/traps.c:239 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:259 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:575 RIP: 0010:try_get_fmt_tmp_buf kernel/bpf/helpers.c:712 [inline] RIP: 0010:bpf_bprintf_prepare+0xeba/0x10b0 kernel/bpf/helpers.c:760 Code: c6 e8 3a 4d 5e 02 83 c0 01 48 98 48 01 c5 48 89 6c 24 08 e8 78 0a ed ff 8d 6b 02 83 44 24 10 01 e9 d6 f5 ff ff e8 66 0a ed ff <0f> 0b 65 ff 0d fd 12 7c 7e bf 01 00 00 00 41 bc f0 ff ff ff e8 dd RSP: 0018:ffffc90000007290 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000100 RDX: ffff8880261c8000 RSI: ffffffff8186ebfa RDI: 0000000000000003 RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8186e794 R11: 0000000000000000 R12: ffffc900000073c0 R13: 0000000000000100 R14: ffffc90000007478 R15: 0000000000000003 ____bpf_trace_printk kernel/trace/bpf_trace.c:389 [inline] bpf_trace_printk+0xab/0x3a0 kernel/trace/bpf_trace.c:380 Kernel Offset: disabled Rebooting in 86400 seconds..