BUG: unable to handle page fault for address: ffffc900019d0000 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 100000067 P4D 100000067 PUD 100154067 PMD 120f66067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 11160 Comm: syz.1.3687 Not tainted 6.1.84-syzkaller-00013-g6d6afa9d3f8f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:jhash include/linux/jhash.h:82 [inline] RIP: 0010:hash+0x30d/0xc20 kernel/bpf/bloom_filter.c:39 Code: 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 56 01 00 00 4a 8d 7c 36 0b 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 6e 01 00 00 <46> 03 64 36 08 45 29 e7 44 89 e0 c1 c0 04 44 31 f8 41 01 dc 89 c1 RSP: 0018:ffffc900019cf908 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 00000000087b2a2c RCX: ffffffff8191f1a5 RDX: 0000000000000000 RSI: ffffc900019cf9c8 RDI: ffffc900019d0003 RBP: ffffc900019cf948 R08: 00000000fffff9c3 R09: fffffbfff0ede366 R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000dab15ec0 R13: 00000000fffff9c3 R14: 0000000000000630 R15: 00000000620dde62 FS: 00007f20cfe2b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900019d0000 CR3: 0000000134e95000 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:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run4+0x18d/0x2f0 kernel/trace/bpf_trace.c:2314 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:177 trace_mm_page_alloc include/trace/events/kmem.h:177 [inline] __alloc_pages+0x727/0x780 mm/page_alloc.c:5736 __alloc_pages_node include/linux/gfp.h:236 [inline] alloc_pages_node include/linux/gfp.h:259 [inline] __kmalloc_large_node+0x9e/0x1b0 mm/slab_common.c:1098 __do_kmalloc_node mm/slab_common.c:945 [inline] __kmalloc+0xef/0x1e0 mm/slab_common.c:970 kmalloc include/linux/slab.h:561 [inline] kzalloc include/linux/slab.h:692 [inline] slhc_init+0xb6/0x7a0 drivers/net/slip/slhc.c:107 ppp_ioctl+0x13fc/0x1990 drivers/net/ppp/ppp_generic.c:878 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0x114/0x190 fs/ioctl.c:856 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856 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: 0033:0x7f20cef75b59 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f20cfe2b048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f20cf105f60 RCX: 00007f20cef75b59 RDX: 000000002000000c RSI: 0000000040047451 RDI: 0000000000000005 RBP: 00007f20cefe4e5d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f20cf105f60 R15: 00007fff001bd988 Modules linked in: CR2: ffffc900019d0000 ---[ end trace 0000000000000000 ]--- RIP: 0010:jhash include/linux/jhash.h:82 [inline] RIP: 0010:hash+0x30d/0xc20 kernel/bpf/bloom_filter.c:39 Code: 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 56 01 00 00 4a 8d 7c 36 0b 48 89 f8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 6e 01 00 00 <46> 03 64 36 08 45 29 e7 44 89 e0 c1 c0 04 44 31 f8 41 01 dc 89 c1 RSP: 0018:ffffc900019cf908 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 00000000087b2a2c RCX: ffffffff8191f1a5 RDX: 0000000000000000 RSI: ffffc900019cf9c8 RDI: ffffc900019d0003 RBP: ffffc900019cf948 R08: 00000000fffff9c3 R09: fffffbfff0ede366 R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000dab15ec0 R13: 00000000fffff9c3 R14: 0000000000000630 R15: 00000000620dde62 FS: 00007f20cfe2b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900019d0000 CR3: 0000000134e95000 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 56 01 00 00 jne 0x168 12: 4a 8d 7c 36 0b lea 0xb(%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 6e 01 00 00 jne 0x198 * 2a: 46 03 64 36 08 add 0x8(%rsi,%r14,1),%r12d <-- trapping instruction 2f: 45 29 e7 sub %r12d,%r15d 32: 44 89 e0 mov %r12d,%eax 35: c1 c0 04 rol $0x4,%eax 38: 44 31 f8 xor %r15d,%eax 3b: 41 01 dc add %ebx,%r12d 3e: 89 c1 mov %eax,%ecx