BUG: unable to handle page fault for address: ffffffffff600000 #PF: supervisor read access in kernel mode #PF: error_code(0x0001) - permissions violation PGD 6812067 P4D 6812067 PUD 6814067 PMD 6816067 PTE 8000000006809165 Oops: 0001 [#1] PREEMPT SMP KASAN CPU: 0 PID: 296 Comm: syz-executor251 Not tainted 5.15.149-syzkaller-00131-g79bd336c7a94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:copy_from_kernel_nofault+0x86/0x2e0 mm/maccess.c:37 Code: 48 89 55 d0 0f 85 ea 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 cb 92 d6 ff 49 83 fd 07 76 5c 4d 89 fe 49 83 c5 f8 49 83 c7 08 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc900009c74d0 EFLAGS: 00010292 RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff888120a7bb40 RDX: ffff888120a7c6d0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc900009c7508 R08: ffffffff8199a795 R09: ffffed102414f769 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc900009c7568 R15: ffffc900009c7570 FS: 000055555599c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 0000000120883000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bpf_probe_read_kernel_common kernel/trace/bpf_trace.c:220 [inline] ____bpf_probe_read_compat kernel/trace/bpf_trace.c:284 [inline] bpf_probe_read_compat+0x112/0x180 kernel/trace/bpf_trace.c:277 bpf_prog_baa065642a502c00+0x64/0x2d0 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run6+0x18d/0x2c0 kernel/trace/bpf_trace.c:1921 __bpf_trace_ext4_ext_remove_space_done+0x4a/0x60 include/trace/events/ext4.h:2094 __traceiter_ext4_ext_remove_space_done+0x94/0xf0 include/trace/events/ext4.h:2094 trace_ext4_ext_remove_space_done include/trace/events/ext4.h:2094 [inline] ext4_ext_remove_space+0x48b4/0x4a60 fs/ext4/extents.c:3006 ext4_ext_truncate+0x19a/0x240 fs/ext4/extents.c:4448 ext4_truncate+0x96c/0xfa0 fs/ext4/inode.c:4269 ext4_evict_inode+0xcee/0x14e0 fs/ext4/inode.c:290 evict+0x2a3/0x630 fs/inode.c:587 iput_final fs/inode.c:1705 [inline] iput+0x63b/0x7e0 fs/inode.c:1731 d_delete_notify include/linux/fsnotify.h:270 [inline] vfs_rmdir+0x359/0x470 fs/namei.c:4162 do_rmdir+0x3ab/0x630 fs/namei.c:4210 __do_sys_rmdir fs/namei.c:4229 [inline] __se_sys_rmdir fs/namei.c:4227 [inline] __x64_sys_rmdir+0x49/0x50 fs/namei.c:4227 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+0x61/0xcb RIP: 0033:0x7f45ae644eb7 Code: 73 01 c3 48 c7 c1 b8 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 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffcacae9e18 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f45ae644eb7 RDX: fffffffffffff000 RSI: 0000000000000000 RDI: 00007ffcacaeaf40 RBP: 0000000000000065 R08: 000055555599d73b R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffcacaeaf40 R13: 000055555599d6c0 R14: 00007ffcacaeaf40 R15: 0000000000000001 Modules linked in: CR2: ffffffffff600000 ---[ end trace dbe90e0ef63089f0 ]--- RIP: 0010:copy_from_kernel_nofault+0x86/0x2e0 mm/maccess.c:37 Code: 48 89 55 d0 0f 85 ea 01 00 00 ff 02 bf 07 00 00 00 4c 89 ee e8 cb 92 d6 ff 49 83 fd 07 76 5c 4d 89 fe 49 83 c5 f8 49 83 c7 08 <49> 8b 1c 24 4c 89 f0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 RSP: 0018:ffffc900009c74d0 EFLAGS: 00010292 RAX: 0000000000000000 RBX: 00007ffffffff000 RCX: ffff888120a7bb40 RDX: ffff888120a7c6d0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc900009c7508 R08: ffffffff8199a795 R09: ffffed102414f769 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc900009c7568 R15: ffffc900009c7570 FS: 000055555599c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 0000000120883000 CR4: 00000000003506b0 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 ea 01 00 00 jne 0x1f4 a: ff 02 incl (%rdx) c: bf 07 00 00 00 mov $0x7,%edi 11: 4c 89 ee mov %r13,%rsi 14: e8 cb 92 d6 ff call 0xffd692e4 19: 49 83 fd 07 cmp $0x7,%r13 1d: 76 5c jbe 0x7b 1f: 4d 89 fe mov %r15,%r14 22: 49 83 c5 f8 add $0xfffffffffffffff8,%r13 26: 49 83 c7 08 add $0x8,%r15 * 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