------------[ cut here ]------------ WARNING: CPU: 1 PID: 12244 at kernel/trace/bpf_trace.c:1411 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1483 [inline] WARNING: CPU: 1 PID: 12244 at kernel/trace/bpf_trace.c:1411 bpf_get_stack_raw_tp+0x1d3/0x220 kernel/trace/bpf_trace.c:1480 Modules linked in: CPU: 1 PID: 12244 Comm: syz.5.2482 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:ffffc9000336e630 EFLAGS: 00010246 RAX: ffffffff818a8a03 RBX: 0000000000000003 RCX: 0000000000080000 RDX: ffffc90016c63000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc9000336e670 R08: ffffffff818a88c3 R09: fffffbfff2131421 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc9000336e688 R13: 0000000000000000 R14: 0000000000000900 R15: ffff8880b8f33b30 FS: 00007f4c0e3896c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201c9000 CR3: 0000000065665000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_prog_ec3b2eefa702d8d3+0x3a/0xc4 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/0xc4 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/0xc4 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/0xc4 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:copy_user_generic_unrolled+0x86/0xc0 arch/x86/lib/copy_user_64.S:91 Code: 4c 8b 5e 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 <4c> 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 RSP: 0018:ffffc9000336fa48 EFLAGS: 00050202 RAX: ffffffff8413e101 RBX: 00000000201c9038 RCX: 0000000000000007 RDX: 0000000000000000 RSI: 00000000201c9000 RDI: ffffc9000336fae0 RBP: ffffc9000336fc70 R08: dffffc0000000000 R09: fffff5200066df63 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000038 R13: 00007ffffffff000 R14: ffffc9000336fae0 R15: 00000000201c9000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:52 [inline] _copy_from_user+0xf9/0x170 lib/usercopy.c:23 copy_from_user include/linux/uaccess.h:192 [inline] __copy_msghdr_from_user net/socket.c:2318 [inline] copy_msghdr_from_user net/socket.c:2369 [inline] recvmsg_copy_msghdr net/socket.c:2621 [inline] ___sys_recvmsg+0x150/0x690 net/socket.c:2693 do_recvmmsg+0x36f/0x8f0 net/socket.c:2791 __sys_recvmmsg net/socket.c:2870 [inline] __do_sys_recvmmsg net/socket.c:2893 [inline] __se_sys_recvmmsg net/socket.c:2886 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2886 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f4c10539d29 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:00007f4c0e389038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f4c1072a080 RCX: 00007f4c10539d29 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f4c105b5b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f4c1072a080 R15: 00007ffe7ba9f288 ---------------- Code disassembly (best guess): 0: 4c 8b 5e 38 mov 0x38(%rsi),%r11 4: 4c 89 47 20 mov %r8,0x20(%rdi) 8: 4c 89 4f 28 mov %r9,0x28(%rdi) c: 4c 89 57 30 mov %r10,0x30(%rdi) 10: 4c 89 5f 38 mov %r11,0x38(%rdi) 14: 48 8d 76 40 lea 0x40(%rsi),%rsi 18: 48 8d 7f 40 lea 0x40(%rdi),%rdi 1c: ff c9 dec %ecx 1e: 75 b6 jne 0xffffffd6 20: 89 d1 mov %edx,%ecx 22: 83 e2 07 and $0x7,%edx 25: c1 e9 03 shr $0x3,%ecx 28: 74 12 je 0x3c * 2a: 4c 8b 06 mov (%rsi),%r8 <-- trapping instruction 2d: 4c 89 07 mov %r8,(%rdi) 30: 48 8d 76 08 lea 0x8(%rsi),%rsi 34: 48 8d 7f 08 lea 0x8(%rdi),%rdi 38: ff c9 dec %ecx 3a: 75 ee jne 0x2a 3c: 21 d2 and %edx,%edx 3e: 74 10 je 0x50