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: 1 PID: 303 Comm: syz-executor.1 Not tainted 6.1.75-syzkaller-00069-gfa87a072a7fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 bb 3a 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:ffffc9000559f4f0 EFLAGS: 00010257 RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff88811cca8000 RDX: ffff88811cca8ba0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc9000559f528 R08: ffffffff81a337d5 R09: ffffed1023995001 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc9000559f588 R15: ffffc9000559f590 FS: 0000555555820480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 000000012860c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_probe_read_kernel_common kernel/trace/bpf_trace.c:230 [inline] ____bpf_probe_read_compat kernel/trace/bpf_trace.c:294 [inline] bpf_probe_read_compat+0x112/0x180 kernel/trace/bpf_trace.c:287 bpf_prog_baa065642a502c00+0x64/0x68 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:593 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline] bpf_trace_run6+0x2a1/0x350 kernel/trace/bpf_trace.c:2318 __bpf_trace_ext4_ext_remove_space_done+0x4c/0x60 include/trace/events/ext4.h:2089 trace_ext4_ext_remove_space_done include/trace/events/ext4.h:2089 [inline] ext4_ext_remove_space+0x4d4e/0x4f50 fs/ext4/extents.c:3032 ext4_ext_truncate+0x1f4/0x320 fs/ext4/extents.c:4417 ext4_truncate+0x96c/0xfb0 fs/ext4/inode.c:4279 ext4_evict_inode+0xd41/0x1550 fs/ext4/inode.c:286 evict+0x2a3/0x630 fs/inode.c:666 iput_final fs/inode.c:1791 [inline] iput+0x642/0x870 fs/inode.c:1817 d_delete_notify include/linux/fsnotify.h:284 [inline] vfs_rmdir+0x3c2/0x500 fs/namei.c:4211 do_rmdir+0x3ab/0x630 fs/namei.c:4259 __do_sys_unlinkat fs/namei.c:4439 [inline] __se_sys_unlinkat fs/namei.c:4433 [inline] __x64_sys_unlinkat+0xdf/0xf0 fs/namei.c:4433 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4df427d687 Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 07 01 00 00 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:00007ffc7f0f6d08 EFLAGS: 00000207 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 0000000000000065 RCX: 00007f4df427d687 RDX: 0000000000000200 RSI: 00007ffc7f0f7e80 RDI: 00000000ffffff9c RBP: 00007f4df42c93b9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffc7f0f7e80 R13: 00007f4df42c93b9 R14: 000000000001b6ad R15: 0000000000000005 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 bb 3a 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:ffffc9000559f4f0 EFLAGS: 00010257 RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff88811cca8000 RDX: ffff88811cca8ba0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc9000559f528 R08: ffffffff81a337d5 R09: ffffed1023995001 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc9000559f588 R15: ffffc9000559f590 FS: 0000555555820480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 000000012860c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- 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 bb 3a d2 ff call 0xffd23ad4 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