------------[ cut here ]------------ WARNING: CPU: 0 PID: 5534 at kernel/trace/bpf_trace.c:1411 get_bpf_raw_tp_regs kernel/trace/bpf_trace.c:1411 [inline] WARNING: CPU: 0 PID: 5534 at kernel/trace/bpf_trace.c:1411 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1483 [inline] WARNING: CPU: 0 PID: 5534 at kernel/trace/bpf_trace.c:1411 bpf_get_stack_raw_tp+0x196/0x1d0 kernel/trace/bpf_trace.c:1480 Modules linked in: CPU: 0 PID: 5534 Comm: syz-executor Not tainted 5.15.184-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:get_bpf_raw_tp_regs kernel/trace/bpf_trace.c:1411 [inline] RIP: 0010:____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1483 [inline] RIP: 0010:bpf_get_stack_raw_tp+0x196/0x1d0 kernel/trace/bpf_trace.c:1480 Code: c8 45 31 c0 e8 6b ce 13 00 65 ff 0d ac f2 81 7e 4c 63 e0 4c 89 e0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 aa 76 f6 ff <0f> 0b 65 ff 0d 89 f2 81 7e 49 c7 c4 f0 ff ff ff eb d7 e8 93 76 f6 RSP: 0018:ffffc900031beb18 EFLAGS: 00010293 RAX: ffffffff81814a96 RBX: ffff8880b9000000 RCX: ffff88802a25bb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000fffffffc RBP: ffffc900031beb50 R08: dffffc0000000000 R09: fffffbfff1ff3619 R10: fffffbfff1ff3619 R11: 1ffffffff1ff3618 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000003 R15: 0000000000000000 FS: 00005555697db500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555697db7d0 CR3: 000000007a326000 CR4: 00000000003506f0 DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: bpf_prog_ec3b2eefa702d8d3+0x3a/0x2a4 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline] bpf_trace_run4+0x188/0x330 kernel/trace/bpf_trace.c:1917 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:44 [inline] __mmap_lock_do_trace_acquire_returned+0x231/0x290 mm/mmap_lock.c:102 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:137 [inline] stack_map_get_build_id_offset+0x83d/0x860 kernel/bpf/stackmap.c:185 __bpf_get_stack+0x44a/0x4f0 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1490 [inline] bpf_get_stack_raw_tp+0x175/0x1d0 kernel/trace/bpf_trace.c:1480 bpf_prog_ec3b2eefa702d8d3+0x3a/0x2a4 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline] bpf_trace_run4+0x188/0x330 kernel/trace/bpf_trace.c:1917 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:44 [inline] __mmap_lock_do_trace_acquire_returned+0x231/0x290 mm/mmap_lock.c:102 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:137 [inline] stack_map_get_build_id_offset+0x83d/0x860 kernel/bpf/stackmap.c:185 __bpf_get_stack+0x44a/0x4f0 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1490 [inline] bpf_get_stack_raw_tp+0x175/0x1d0 kernel/trace/bpf_trace.c:1480 bpf_prog_ec3b2eefa702d8d3+0x3a/0x2a4 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline] bpf_trace_run4+0x188/0x330 kernel/trace/bpf_trace.c:1917 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:44 [inline] __mmap_lock_do_trace_acquire_returned+0x231/0x290 mm/mmap_lock.c:102 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:137 [inline] stack_map_get_build_id_offset+0x83d/0x860 kernel/bpf/stackmap.c:185 __bpf_get_stack+0x44a/0x4f0 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1490 [inline] bpf_get_stack_raw_tp+0x175/0x1d0 kernel/trace/bpf_trace.c:1480 bpf_prog_ec3b2eefa702d8d3+0x3a/0x2a4 bpf_dispatcher_nop_func include/linux/bpf.h:790 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1878 [inline] bpf_trace_run4+0x188/0x330 kernel/trace/bpf_trace.c:1917 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:44 [inline] __mmap_lock_do_trace_acquire_returned+0x231/0x290 mm/mmap_lock.c:102 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:137 [inline] do_user_addr_fault+0xbbb/0xc80 arch/x86/mm/fault.c:1298 handle_page_fault arch/x86/mm/fault.c:1445 [inline] exc_page_fault+0x60/0x100 arch/x86/mm/fault.c:1501 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0010:__put_user_nocheck_4+0x3/0x11 Code: 00 00 48 39 d9 73 54 0f 01 cb 66 89 01 31 c9 0f 01 ca c3 90 90 90 90 90 48 bb fd ef ff ff ff 7f 00 00 48 39 d9 73 34 0f 01 cb <89> 01 31 c9 0f 01 ca c3 90 90 90 90 90 90 48 bb f9 ef ff ff ff 7f RSP: 0018:ffffc900031bff28 EFLAGS: 00050293 RAX: 00000000000000f6 RBX: 00007fffffffeffd RCX: 00005555697db7d0 RDX: 0000000000000000 RSI: ffffffff8a0b2460 RDI: ffffffff8a59a700 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ad1556 R10: fffffbfff1ad1556 R11: 1ffffffff1ad1555 R12: 1ffff1100544b844 R13: 0000000000000000 R14: 00005555697db7d0 R15: dffffc0000000000 schedule_tail+0x91/0xb0 kernel/sched/core.c:4970 ret_from_fork+0x8/0x30 arch/x86/entry/entry_64.S:272 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 39 d9 cmp %rbx,%rcx 5: 73 54 jae 0x5b 7: 0f 01 cb stac a: 66 89 01 mov %ax,(%rcx) d: 31 c9 xor %ecx,%ecx f: 0f 01 ca clac 12: c3 ret 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 48 bb fd ef ff ff ff movabs $0x7fffffffeffd,%rbx 1f: 7f 00 00 22: 48 39 d9 cmp %rbx,%rcx 25: 73 34 jae 0x5b 27: 0f 01 cb stac * 2a: 89 01 mov %eax,(%rcx) <-- trapping instruction 2c: 31 c9 xor %ecx,%ecx 2e: 0f 01 ca clac 31: c3 ret 32: 90 nop 33: 90 nop 34: 90 nop 35: 90 nop 36: 90 nop 37: 90 nop 38: 48 rex.W 39: bb f9 ef ff ff mov $0xffffeff9,%ebx 3e: ff (bad) 3f: 7f .byte 0x7f