------------[ cut here ]------------ WARNING: CPU: 0 PID: 5874 at kernel/trace/bpf_trace.c:1861 get_bpf_raw_tp_regs kernel/trace/bpf_trace.c:1861 [inline] WARNING: CPU: 0 PID: 5874 at kernel/trace/bpf_trace.c:1861 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1934 [inline] WARNING: CPU: 0 PID: 5874 at kernel/trace/bpf_trace.c:1861 bpf_get_stack_raw_tp+0x1d5/0x240 kernel/trace/bpf_trace.c:1931 Modules linked in: CPU: 0 UID: 0 PID: 5874 Comm: syz-executor274 Not tainted 6.14.0-syzkaller-ga27a97f71394 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:get_bpf_raw_tp_regs kernel/trace/bpf_trace.c:1861 [inline] RIP: 0010:____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1934 [inline] RIP: 0010:bpf_get_stack_raw_tp+0x1d5/0x240 kernel/trace/bpf_trace.c:1931 Code: 71 09 21 00 65 ff 0d 0a 49 9a 11 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 ec ff f3 ff 90 <0f> 0b 90 65 ff 0d e1 48 9a 11 49 c7 c6 f0 ff ff ff eb d1 44 89 e9 RSP: 0018:ffffc90004186370 EFLAGS: 00010293 RAX: ffffffff81cf5794 RBX: 0000000000000003 RCX: ffff888073959e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000fffffffc RBP: ffffc900041863b0 R08: ffffffff81cf5657 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffffa000219c R12: ffff8880b8630e88 R13: 0000000000000900 R14: 0000000000000000 R15: ffffc900041863c8 FS: 00007fde333196c0(0000) GS:ffff888124f97000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000042000 CR3: 000000003492a000 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:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2363 [inline] bpf_trace_run3+0x33c/0x5b0 kernel/trace/bpf_trace.c:2405 __bpf_trace_mmap_lock_acquire_returned+0x205/0x310 include/trace/events/mmap_lock.h:47 __traceiter_mmap_lock_acquire_returned+0x86/0xe0 include/trace/events/mmap_lock.h:47 __do_trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] __mmap_lock_do_trace_acquire_returned+0x1a5/0x210 mm/mmap_lock.c:35 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:204 [inline] stack_map_get_build_id_offset+0x687/0x790 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x905/0xad0 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:1941 [inline] bpf_get_stack_raw_tp+0x1af/0x240 kernel/trace/bpf_trace.c:1931 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2363 [inline] bpf_trace_run3+0x33c/0x5b0 kernel/trace/bpf_trace.c:2405 __bpf_trace_mmap_lock_acquire_returned+0x205/0x310 include/trace/events/mmap_lock.h:47 __traceiter_mmap_lock_acquire_returned+0x86/0xe0 include/trace/events/mmap_lock.h:47 __do_trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] __mmap_lock_do_trace_acquire_returned+0x1a5/0x210 mm/mmap_lock.c:35 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:204 [inline] stack_map_get_build_id_offset+0x687/0x790 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x905/0xad0 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:1941 [inline] bpf_get_stack_raw_tp+0x1af/0x240 kernel/trace/bpf_trace.c:1931 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2363 [inline] bpf_trace_run3+0x33c/0x5b0 kernel/trace/bpf_trace.c:2405 __bpf_trace_mmap_lock_acquire_returned+0x205/0x310 include/trace/events/mmap_lock.h:47 __traceiter_mmap_lock_acquire_returned+0x86/0xe0 include/trace/events/mmap_lock.h:47 __do_trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] __mmap_lock_do_trace_acquire_returned+0x1a5/0x210 mm/mmap_lock.c:35 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:204 [inline] stack_map_get_build_id_offset+0x687/0x790 kernel/bpf/stackmap.c:157 __bpf_get_stack+0x905/0xad0 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:1941 [inline] bpf_get_stack_raw_tp+0x1af/0x240 kernel/trace/bpf_trace.c:1931 bpf_prog_ec3b2eefa702d8d3+0x43/0x47 bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline] __bpf_prog_run include/linux/filter.h:718 [inline] bpf_prog_run include/linux/filter.h:725 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2363 [inline] bpf_trace_run3+0x33c/0x5b0 kernel/trace/bpf_trace.c:2405 __bpf_trace_mmap_lock_acquire_returned+0x205/0x310 include/trace/events/mmap_lock.h:47 __traceiter_mmap_lock_acquire_returned+0x86/0xe0 include/trace/events/mmap_lock.h:47 __do_trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] trace_mmap_lock_acquire_returned include/trace/events/mmap_lock.h:47 [inline] __mmap_lock_do_trace_acquire_returned+0x1a5/0x210 mm/mmap_lock.c:35 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:204 [inline] get_mmap_lock_carefully mm/memory.c:6346 [inline] lock_mm_and_find_vma+0x213/0x2f0 mm/memory.c:6406 do_user_addr_fault arch/x86/mm/fault.c:1360 [inline] handle_page_fault arch/x86/mm/fault.c:1480 [inline] exc_page_fault+0x1c1/0x920 arch/x86/mm/fault.c:1538 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:fault_in_readable+0x177/0x2e0 mm/gup.c:2241 Code: 49 81 c5 ff 0f 00 00 49 81 e5 00 f0 ff ff 49 39 c5 0f 82 85 00 00 00 e8 37 08 b3 ff 4c 39 eb 0f 84 88 00 00 00 4c 89 64 24 10 <44> 8a 23 43 0f b6 04 3e 84 c0 75 18 44 88 64 24 40 48 81 c3 00 10 RSP: 0018:ffffc90004187860 EFLAGS: 00050287 RAX: ffffffff82104f49 RBX: 0000200000042000 RCX: ffff888073959e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004187918 R08: ffffffff82104ee0 R09: ffffffff85022be9 R10: 0000000000000002 R11: ffff888073959e00 R12: 00000000000000c6 R13: 0000200000043000 R14: 1ffff92000830f14 R15: dffffc0000000000 fault_in_iov_iter_readable+0x229/0x280 lib/iov_iter.c:94 generic_perform_write+0x8a4/0xa10 mm/filemap.c:4151 ext4_buffered_write_iter+0xc7/0x390 fs/ext4/file.c:299 ext4_file_write_iter+0x97f/0x1da0 fs/ext4/file.c:-1 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x70f/0xd10 fs/read_write.c:684 ksys_write+0x19d/0x2d0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fde333609d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 18 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fde33319218 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fde333eb3e8 RCX: 00007fde333609d9 RDX: 00000000002a979d RSI: 0000200000000000 RDI: 0000000000000003 RBP: 00007fde333eb3e0 R08: 00007fde33318fb7 R09: 0000000000000000 R10: 0000000000000012 R11: 0000000000000246 R12: 00007fde333b807c R13: 0000200000000d40 R14: 0000200000000d80 R15: 0000200000000000 ---------------- Code disassembly (best guess): 0: 49 81 c5 ff 0f 00 00 add $0xfff,%r13 7: 49 81 e5 00 f0 ff ff and $0xfffffffffffff000,%r13 e: 49 39 c5 cmp %rax,%r13 11: 0f 82 85 00 00 00 jb 0x9c 17: e8 37 08 b3 ff call 0xffb30853 1c: 4c 39 eb cmp %r13,%rbx 1f: 0f 84 88 00 00 00 je 0xad 25: 4c 89 64 24 10 mov %r12,0x10(%rsp) * 2a: 44 8a 23 mov (%rbx),%r12b <-- trapping instruction 2d: 43 0f b6 04 3e movzbl (%r14,%r15,1),%eax 32: 84 c0 test %al,%al 34: 75 18 jne 0x4e 36: 44 88 64 24 40 mov %r12b,0x40(%rsp) 3b: 48 rex.W 3c: 81 .byte 0x81 3d: c3 ret 3e: 00 10 add %dl,(%rax)