------------[ cut here ]------------ WARNING: CPU: 1 PID: 28954 at kernel/trace/bpf_trace.c:1829 get_bpf_raw_tp_regs kernel/trace/bpf_trace.c:1829 [inline] WARNING: CPU: 1 PID: 28954 at kernel/trace/bpf_trace.c:1829 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1902 [inline] WARNING: CPU: 1 PID: 28954 at kernel/trace/bpf_trace.c:1829 bpf_get_stack_raw_tp+0x1c9/0x240 kernel/trace/bpf_trace.c:1899 Modules linked in: CPU: 1 UID: 0 PID: 28954 Comm: syz.1.6917 Not tainted 6.12.0-rc4-syzkaller-00162-g740be3b9a6d7 #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:1829 [inline] RIP: 0010:____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1902 [inline] RIP: 0010:bpf_get_stack_raw_tp+0x1c9/0x240 kernel/trace/bpf_trace.c:1899 Code: 0d 7c 1f 00 65 ff 0d d6 dd 62 7e 4c 63 f0 4c 89 f0 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 48 51 f4 ff 90 <0f> 0b 90 65 ff 0d ad dd 62 7e 49 c7 c6 f0 ff ff ff eb d1 44 89 e9 RSP: 0018:ffffc90018236030 EFLAGS: 00010287 RAX: ffffffff81a08678 RBX: 0000000000000003 RCX: 0000000000040000 RDX: ffffc9000c0f2000 RSI: 00000000000045dc RDI: 00000000000045dd RBP: ffffc90018236070 R08: ffffffff81a08547 R09: 1ffffffff2859500 R10: dffffc0000000000 R11: ffffffffa00049d0 R12: ffff8880b8736238 R13: 0000000000000900 R14: 0000000000000000 R15: ffffc90018236088 FS: 00007f7d301d16c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020013000 CR3: 0000000031838000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1265 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2316 [inline] bpf_trace_run4+0x334/0x590 kernel/trace/bpf_trace.c:2359 __traceiter_mmap_lock_acquire_returned+0x93/0xf0 include/trace/events/mmap_lock.h:52 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:52 [inline] __mmap_lock_do_trace_acquire_returned+0x286/0x2f0 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:164 [inline] stack_map_get_build_id_offset+0x84d/0x870 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x8da/0xad0 kernel/bpf/stackmap.c:483 ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline] bpf_get_stack+0x33/0x50 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1909 [inline] bpf_get_stack_raw_tp+0x1a3/0x240 kernel/trace/bpf_trace.c:1899 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1265 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2316 [inline] bpf_trace_run4+0x334/0x590 kernel/trace/bpf_trace.c:2359 __traceiter_mmap_lock_acquire_returned+0x93/0xf0 include/trace/events/mmap_lock.h:52 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:52 [inline] __mmap_lock_do_trace_acquire_returned+0x286/0x2f0 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:164 [inline] stack_map_get_build_id_offset+0x84d/0x870 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x8da/0xad0 kernel/bpf/stackmap.c:483 ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline] bpf_get_stack+0x33/0x50 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1909 [inline] bpf_get_stack_raw_tp+0x1a3/0x240 kernel/trace/bpf_trace.c:1899 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1265 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2316 [inline] bpf_trace_run4+0x334/0x590 kernel/trace/bpf_trace.c:2359 __traceiter_mmap_lock_acquire_returned+0x93/0xf0 include/trace/events/mmap_lock.h:52 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:52 [inline] __mmap_lock_do_trace_acquire_returned+0x286/0x2f0 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:164 [inline] stack_map_get_build_id_offset+0x84d/0x870 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x8da/0xad0 kernel/bpf/stackmap.c:483 ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline] bpf_get_stack+0x33/0x50 kernel/bpf/stackmap.c:496 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1909 [inline] bpf_get_stack_raw_tp+0x1a3/0x240 kernel/trace/bpf_trace.c:1899 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1265 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2316 [inline] bpf_trace_run4+0x334/0x590 kernel/trace/bpf_trace.c:2359 __traceiter_mmap_lock_acquire_returned+0x93/0xf0 include/trace/events/mmap_lock.h:52 trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:52 [inline] __mmap_lock_do_trace_acquire_returned+0x286/0x2f0 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:164 [inline] get_mmap_lock_carefully mm/memory.c:6103 [inline] lock_mm_and_find_vma+0x213/0x2f0 mm/memory.c:6163 do_user_addr_fault arch/x86/mm/fault.c:1361 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x1bf/0x8c0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71 Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1 RSP: 0018:ffffc90018237738 EFLAGS: 00050206 RAX: ffffffff84ba8401 RBX: 00000000200105d0 RCX: 000000000000d7a0 RDX: 0000000000000000 RSI: ffff8880606a2b18 RDI: 0000000020013000 RBP: ffffc900182378b8 R08: ffff8880606b02b7 R09: 1ffff1100c0d6056 R10: dffffc0000000000 R11: ffffed100c0d6057 R12: 00000000000101d0 R13: ffff8880606a00e8 R14: ffffc90018237e18 R15: 1ffff92003046fc3 copy_user_generic arch/x86/include/asm/uaccess_64.h:121 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:142 [inline] copy_to_user_iter lib/iov_iter.c:25 [inline] iterate_ubuf include/linux/iov_iter.h:30 [inline] iterate_and_advance2 include/linux/iov_iter.h:300 [inline] iterate_and_advance include/linux/iov_iter.h:328 [inline] _copy_to_iter+0x257/0x1d60 lib/iov_iter.c:185 copy_to_iter include/linux/uio.h:211 [inline] simple_copy_to_iter net/core/datagram.c:524 [inline] __skb_datagram_iter+0x107/0x900 net/core/datagram.c:401 skb_copy_datagram_iter+0xd1/0x250 net/core/datagram.c:538 skb_copy_datagram_msg include/linux/skbuff.h:4076 [inline] tipc_recvstream+0x7a8/0xf80 net/tipc/socket.c:2067 sock_recvmsg_nosec net/socket.c:1051 [inline] sock_recvmsg+0x22f/0x280 net/socket.c:1073 ____sys_recvmsg+0x1c6/0x480 net/socket.c:2826 ___sys_recvmsg net/socket.c:2868 [inline] __sys_recvmsg+0x2e6/0x3d0 net/socket.c:2898 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7d2f37e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7d301d1038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007f7d2f536058 RCX: 00007f7d2f37e719 RDX: 0000000000001f00 RSI: 0000000020000500 RDI: 000000000000000b RBP: 00007f7d2f3f132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7d2f536058 R15: 00007fff8dd64c38 ---------------- Code disassembly (best guess): 0: 75 f1 jne 0xfffffff3 2: c3 ret 3: cc int3 4: cc int3 5: cc int3 6: cc int3 7: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) e: 00 00 10: 48 8b 06 mov (%rsi),%rax 13: 48 89 07 mov %rax,(%rdi) 16: 48 83 c6 08 add $0x8,%rsi 1a: 48 83 c7 08 add $0x8,%rdi 1e: 83 e9 08 sub $0x8,%ecx 21: 74 df je 0x2 23: 83 f9 08 cmp $0x8,%ecx 26: 73 e8 jae 0x10 28: eb c9 jmp 0xfffffff3 * 2a: f3 a4 rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction 2c: c3 ret 2d: cc int3 2e: cc int3 2f: cc int3 30: cc int3 31: 48 89 c8 mov %rcx,%rax 34: 48 c1 e9 03 shr $0x3,%rcx 38: 83 e0 07 and $0x7,%eax 3b: f3 48 a5 rep movsq %ds:(%rsi),%es:(%rdi) 3e: 89 c1 mov %eax,%ecx