BUG: unable to handle page fault for address: ffffffffff600000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 6c12067 P4D 6c12067 PUD 6c14067 PMD 6c16067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 11775 Comm: syz-executor.5 Not tainted 6.1.43-syzkaller-00011-gc47043d65f0a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:copy_from_kernel_nofault+0x86/0x2d0 mm/maccess.c:36 Code: 48 89 55 d0 0f 85 de 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 1b 7d d2 ff 49 83 fd 07 76 58 4d 89 fe 49 83 c7 08 49 83 c5 f8 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc90000d06c50 EFLAGS: 00010257 RAX: 0000000000000002 RBX: 0000000000000008 RCX: ffff888179628000 RDX: ffff888179628ba0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90000d06c88 R08: ffffffff81a283f5 R09: fffffbfff0eebb69 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc90000d06cc8 R15: ffffc90000d06cd0 FS: 00007ff88f4486c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 00000001168ed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: bpf_probe_read_kernel_common kernel/trace/bpf_trace.c:230 [inline] ____bpf_probe_read_kernel kernel/trace/bpf_trace.c:239 [inline] bpf_probe_read_kernel+0x2a/0x70 kernel/trace/bpf_trace.c:236 bpf_prog_bd8b22826c103b08+0x3a/0x3c bpf_dispatcher_nop_func include/linux/bpf.h:986 [inline] __bpf_prog_run include/linux/filter.h:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2268 [inline] bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2307 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:94 __traceiter_kfree+0x2a/0x40 include/trace/events/kmem.h:94 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0xce/0xf0 mm/slab_common.c:996 kvfree+0x35/0x40 mm/util.c:639 __vunmap+0xaa4/0xb60 mm/vmalloc.c:2733 __vfree mm/vmalloc.c:2776 [inline] vfree+0x5c/0x80 mm/vmalloc.c:2807 bpf_prog_calc_tag+0x65f/0x8f0 kernel/bpf/core.c:343 resolve_pseudo_ldimm64+0xe2/0x1240 kernel/bpf/verifier.c:13023 bpf_check+0x57be/0x16560 kernel/bpf/verifier.c:15551 bpf_prog_load+0x1304/0x1bf0 kernel/bpf/syscall.c:2605 __sys_bpf+0x52c/0x7f0 kernel/bpf/syscall.c:4972 __do_sys_bpf kernel/bpf/syscall.c:5076 [inline] __se_sys_bpf kernel/bpf/syscall.c:5074 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5074 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff88e67cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007ff88f4480c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007ff88e79bf80 RCX: 00007ff88e67cae9 RDX: 0000000000000078 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007ff88e6c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007ff88e79bf80 R15: 00007ffdfe815ae8 Modules linked in: CR2: ffffffffff600000 ---[ end trace 0000000000000000 ]--- RIP: 0010:copy_from_kernel_nofault+0x86/0x2d0 mm/maccess.c:36 Code: 48 89 55 d0 0f 85 de 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 1b 7d d2 ff 49 83 fd 07 76 58 4d 89 fe 49 83 c7 08 49 83 c5 f8 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc90000d06c50 EFLAGS: 00010257 RAX: 0000000000000002 RBX: 0000000000000008 RCX: ffff888179628000 RDX: ffff888179628ba0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90000d06c88 R08: ffffffff81a283f5 R09: fffffbfff0eebb69 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc90000d06cc8 R15: ffffc90000d06cd0 FS: 00007ff88f4486c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 00000001168ed000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 48 89 55 d0 mov %rdx,-0x30(%rbp) 4: 0f 85 de 01 00 00 jne 0x1e8 a: ff 02 incl (%rdx) c: bf 07 00 00 00 mov $0x7,%edi 11: 4c 89 ee mov %r13,%rsi 14: e8 1b 7d d2 ff call 0xffd27d34 19: 49 83 fd 07 cmp $0x7,%r13 1d: 76 58 jbe 0x77 1f: 4d 89 fe mov %r15,%r14 22: 49 83 c7 08 add $0x8,%r15 26: 49 83 c5 f8 add $0xfffffffffffffff8,%r13 * 2a: 49 8b 1c 24 mov (%r12),%rbx <-- trapping instruction 2e: 4c 89 f0 mov %r14,%rax 31: 48 c1 e8 03 shr $0x3,%rax 35: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 3c: fc ff df 3f: 80 .byte 0x80