BUG: unable to handle page fault for address: ffffc90004c00000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 100000067 P4D 100000067 PUD 100154067 PMD 12859d067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17315 Comm: syz-executor.2 Tainted: G W 6.1.75-syzkaller-00074-g4744b3a4ed72 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:jhash include/linux/jhash.h:81 [inline] RIP: 0010:hash+0x2d8/0xc20 kernel/bpf/bloom_filter.c:39 Code: 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 2b 01 00 00 4a 8d 7c 36 07 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 43 01 00 00 <42> 03 5c 36 04 4a 8d 7c 36 08 48 89 f8 48 c1 e8 03 0f b6 04 10 84 RSP: 0018:ffffc90004bffa08 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 00000000c3befed7 RCX: ffffffff8191d5e5 RDX: dffffc0000000000 RSI: ffffc90004bffac8 RDI: ffffc90004c00003 RBP: ffffc90004bffa48 R08: 00000000ffffeac1 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000e7c12694 R13: 00000000ffffeac1 R14: 0000000000000534 R15: 000000008313b7ef FS: 00007f706e2926c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90004c00000 CR3: 000000012943d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: bloom_map_peek_elem+0xac/0x1a0 kernel/bpf/bloom_filter.c:51 bpf_prog_00798911c748094f+0x3a/0x3e 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_run2+0x133/0x290 kernel/trace/bpf_trace.c:2314 __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 generic_map_delete_batch+0x473/0x580 kernel/bpf/syscall.c:1608 bpf_map_do_batch+0x4cc/0x630 __sys_bpf+0x66b/0x7f0 __do_sys_bpf kernel/bpf/syscall.c:5085 [inline] __se_sys_bpf kernel/bpf/syscall.c:5083 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5083 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: 0033:0x7f706d47dea9 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:00007f706e2920c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f706d5abf80 RCX: 00007f706d47dea9 RDX: 0000000000000038 RSI: 0000000020000080 RDI: 000000000000001b RBP: 00007f706d4ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f706d5abf80 R15: 00007fff3a4e1c18 Modules linked in: CR2: ffffc90004c00000 ---[ end trace 0000000000000000 ]--- RIP: 0010:jhash include/linux/jhash.h:81 [inline] RIP: 0010:hash+0x2d8/0xc20 kernel/bpf/bloom_filter.c:39 Code: 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 2b 01 00 00 4a 8d 7c 36 07 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 43 01 00 00 <42> 03 5c 36 04 4a 8d 7c 36 08 48 89 f8 48 c1 e8 03 0f b6 04 10 84 RSP: 0018:ffffc90004bffa08 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 00000000c3befed7 RCX: ffffffff8191d5e5 RDX: dffffc0000000000 RSI: ffffc90004bffac8 RDI: ffffc90004c00003 RBP: ffffc90004bffa48 R08: 00000000ffffeac1 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 00000000e7c12694 R13: 00000000ffffeac1 R14: 0000000000000534 R15: 000000008313b7ef FS: 00007f706e2926c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90004c00000 CR3: 000000012943d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 ---------------- Code disassembly (best guess): 0: 89 f8 mov %edi,%eax 2: 48 c1 e8 03 shr $0x3,%rax 6: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax a: 84 c0 test %al,%al c: 0f 85 2b 01 00 00 jne 0x13d 12: 4a 8d 7c 36 07 lea 0x7(%rsi,%r14,1),%rdi 17: 48 89 f8 mov %rdi,%rax 1a: 48 c1 e8 03 shr $0x3,%rax 1e: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax 22: 84 c0 test %al,%al 24: 0f 85 43 01 00 00 jne 0x16d * 2a: 42 03 5c 36 04 add 0x4(%rsi,%r14,1),%ebx <-- trapping instruction 2f: 4a 8d 7c 36 08 lea 0x8(%rsi,%r14,1),%rdi 34: 48 89 f8 mov %rdi,%rax 37: 48 c1 e8 03 shr $0x3,%rax 3b: 0f b6 04 10 movzbl (%rax,%rdx,1),%eax 3f: 84 .byte 0x84