------------[ cut here ]------------ WARNING: CPU: 0 PID: 9252 at kernel/trace/bpf_trace.c:1411 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1483 [inline] WARNING: CPU: 0 PID: 9252 at kernel/trace/bpf_trace.c:1411 bpf_get_stack_raw_tp+0x1d3/0x220 kernel/trace/bpf_trace.c:1480 Modules linked in: CPU: 0 PID: 9252 Comm: dhcpcd-run-hook Not tainted 5.15.176-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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+0x1d3/0x220 kernel/trace/bpf_trace.c:1480 Code: f1 45 31 c0 e8 ae 99 14 00 65 ff 0d 3f b3 78 7e 4c 63 e8 4c 89 e8 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 dd fa f5 ff <0f> 0b 65 ff 0d 1c b3 78 7e 49 c7 c5 f0 ff ff ff eb d7 e8 c6 fa f5 RSP: 0018:ffffc900032fe970 EFLAGS: 00010293 RAX: ffffffff818a8a03 RBX: 0000000000000003 RCX: ffff888022f70000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000fffffffc RBP: ffffc900032fe9b0 R08: ffffffff818a88c3 R09: fffffbfff2131421 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900032fe9c8 R13: 0000000000000000 R14: 0000000000000900 R15: ffff8880b8e33b30 FS: 00007f5819dd9380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5819dd9d28 CR3: 0000000077fc5000 CR4: 00000000003526f0 DR0: 0000000000000040 DR1: 0000000000000002 DR2: 0000000000000000 DR3: 0000000000000003 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_ec3b2eefa702d8d3+0x3a/0x910 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+0x1ea/0x390 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+0x24d/0x2c0 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+0x612/0x930 kernel/bpf/stackmap.c:185 __bpf_get_stack+0x495/0x570 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1490 [inline] bpf_get_stack_raw_tp+0x1b2/0x220 kernel/trace/bpf_trace.c:1480 bpf_prog_ec3b2eefa702d8d3+0x3a/0x910 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+0x1ea/0x390 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+0x24d/0x2c0 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+0x612/0x930 kernel/bpf/stackmap.c:185 __bpf_get_stack+0x495/0x570 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1490 [inline] bpf_get_stack_raw_tp+0x1b2/0x220 kernel/trace/bpf_trace.c:1480 bpf_prog_ec3b2eefa702d8d3+0x3a/0x910 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+0x1ea/0x390 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+0x24d/0x2c0 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+0x612/0x930 kernel/bpf/stackmap.c:185 __bpf_get_stack+0x495/0x570 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1490 [inline] bpf_get_stack_raw_tp+0x1b2/0x220 kernel/trace/bpf_trace.c:1480 bpf_prog_ec3b2eefa702d8d3+0x3a/0x910 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+0x1ea/0x390 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+0x24d/0x2c0 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 arch/x86/mm/fault.c:1298 [inline] handle_page_fault arch/x86/mm/fault.c:1445 [inline] exc_page_fault+0x564/0x700 arch/x86/mm/fault.c:1501 asm_exc_page_fault+0x22/0x30 arch/x86/include/asm/idtentry.h:606 RIP: 0010:__put_user_nocheck_8+0x3/0x21 Code: 00 00 48 39 d9 73 34 0f 01 cb 89 01 31 c9 0f 01 ca c3 66 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f 00 00 48 39 d9 73 14 0f 01 cb <48> 89 01 31 c9 0f 01 ca c3 0f 1f 44 00 00 0f 01 ca b9 f2 ff ff ff RSP: 0018:ffffc900032ffd78 EFLAGS: 00050293 RAX: 0000000000000000 RBX: 00007fffffffeff9 RCX: 00007f5819dd9d28 RDX: 0000000000000000 RSI: ffffffff8aab3e20 RDI: ffffffff8af9f340 RBP: ffffc900032ffeb8 R08: dffffc0000000000 R09: fffffbfff1c14d56 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900032ffe28 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200065ffc6 clear_rseq_cs kernel/rseq.c:220 [inline] rseq_ip_fixup kernel/rseq.c:254 [inline] __rseq_handle_notify_resume+0x605/0x1250 kernel/rseq.c:292 rseq_handle_notify_resume include/linux/sched.h:2204 [inline] tracehook_notify_resume include/linux/tracehook.h:201 [inline] exit_to_user_mode_loop+0xdc/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x5d/0x240 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f5819f13a12 Code: 41 5d 41 5e 41 5f c3 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 e7 43 0f 00 f7 d8 64 89 02 48 83 RSP: 002b:00007ffeac6cab98 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: 0000000000002425 RBX: 000055fdeca42901 RCX: 00007f5819f13a12 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 000055fdeca43b70 R08: 0000000000000000 R09: 0000000000000000 R10: 00007f5819dd9650 R11: 0000000000000246 R12: 000055fdeca44f70 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 39 d9 cmp %rbx,%rcx 5: 73 34 jae 0x3b 7: 0f 01 cb stac a: 89 01 mov %eax,(%rcx) c: 31 c9 xor %ecx,%ecx e: 0f 01 ca clac 11: c3 ret 12: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) 18: 48 bb f9 ef ff ff ff movabs $0x7fffffffeff9,%rbx 1f: 7f 00 00 22: 48 39 d9 cmp %rbx,%rcx 25: 73 14 jae 0x3b 27: 0f 01 cb stac * 2a: 48 89 01 mov %rax,(%rcx) <-- trapping instruction 2d: 31 c9 xor %ecx,%ecx 2f: 0f 01 ca clac 32: c3 ret 33: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 38: 0f 01 ca clac 3b: b9 f2 ff ff ff mov $0xfffffff2,%ecx