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: 31435 Comm: syz-executor.4 Tainted: G W 6.1.75-syzkaller-00037-gdcb09569bbff #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:ffffc90000d574b0 EFLAGS: 00010257 RAX: 0000000000000002 RBX: 00007ffffffff000 RCX: ffff888111560000 RDX: ffff888111560ba0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90000d574e8 R08: ffffffff81a327a5 R09: ffffed10222ac001 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc90000d57548 R15: ffffc90000d57550 FS: 00007f813e7c76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 000000012d7df000 CR4: 00000000003506a0 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_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:600 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline] bpf_trace_run3+0x177/0x2e0 kernel/trace/bpf_trace.c:2315 __bpf_trace_kmem_cache_free+0x99/0xc0 include/trace/events/kmem.h:114 trace_kmem_cache_free include/trace/events/kmem.h:114 [inline] kmem_cache_free+0x4e7/0x510 mm/slub.c:3705 jbd2_free_handle include/linux/jbd2.h:1599 [inline] jbd2_journal_stop+0x82c/0xc70 fs/jbd2/transaction.c:1963 __ext4_journal_stop+0x111/0x1c0 fs/ext4/ext4_jbd2.c:127 ext4_create+0x2f4/0x550 fs/ext4/namei.c:2847 lookup_open fs/namei.c:3489 [inline] open_last_lookups fs/namei.c:3557 [inline] path_openat+0x12ee/0x2d60 fs/namei.c:3787 do_filp_open+0x230/0x480 fs/namei.c:3817 do_sys_openat2+0x13f/0x850 fs/open.c:1341 do_sys_open fs/open.c:1357 [inline] __do_sys_openat fs/open.c:1373 [inline] __se_sys_openat fs/open.c:1368 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1368 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: 0033:0x7f813da7dea9 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:00007f813e7c70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f813dbabf80 RCX: 00007f813da7dea9 RDX: 00000000000026e1 RSI: 0000000020000180 RDI: ffffffffffffff9c RBP: 00007f813daca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f813dbabf80 R15: 00007ffc281176d8 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:ffffc90000d574b0 EFLAGS: 00010257 RAX: 0000000000000002 RBX: 00007ffffffff000 RCX: ffff888111560000 RDX: ffff888111560ba0 RSI: 0000000000000008 RDI: 0000000000000007 RBP: ffffc90000d574e8 R08: ffffffff81a327a5 R09: ffffed10222ac001 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffffff600000 R13: 0000000000000000 R14: ffffc90000d57548 R15: ffffc90000d57550 FS: 00007f813e7c76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600000 CR3: 000000012d7df000 CR4: 00000000003506a0 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 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