BUG: unable to handle kernel paging request at ffffc90001957030 PGD 12c2e9067 P4D 12c2e9067 PUD 12c2ea067 PMD 219aaf067 PTE 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6915 Comm: syz-executor.0 Not tainted 4.20.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bpf_jit_binary_hdr include/linux/filter.h:712 [inline] RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:490 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:559 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0xc3/0x2e0 kernel/bpf/core.c:633 Code: 03 42 80 3c 30 00 0f 85 1c 01 00 00 4d 8b 6f 50 49 8d 7d 30 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 50 01 00 00 49 8d 7d 02 <49> 8b 5d 30 48 89 f8 49 89 f9 48 c1 e8 03 41 83 e1 07 42 0f b6 04 RSP: 0018:ffff888099bef4d8 EFLAGS: 00010246 RAX: 1ffff9200032ae06 RBX: ffffffffa0010000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000007c9f4 RDI: ffffc90001957002 RBP: ffff888099bef518 R08: ffffffff8800dbc0 R09: 0000000000000002 R10: ffffed1015d65baf R11: ffff8880aeb2dd7b R12: ffff88809c6307b8 R13: ffffc90001957000 R14: dffffc0000000000 R15: ffff88809c6307b8 FS: 0000000002677940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90001957030 CR3: 0000000098b2f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: is_bpf_text_address+0x48/0xe0 kernel/bpf/core.c:668 kernel_text_address+0x79/0xf0 kernel/extable.c:152 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x8d/0xf0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:444 [inline] slab_alloc mm/slab.c:3392 [inline] kmem_cache_alloc+0x11b/0x730 mm/slab.c:3552 ptlock_alloc+0x1d/0x70 mm/memory.c:4555 ptlock_init include/linux/mm.h:1897 [inline] pgtable_page_ctor include/linux/mm.h:1931 [inline] pte_alloc_one+0x4e/0x130 arch/x86/mm/pgtable.c:38 __pte_alloc+0x1d/0x2f0 mm/memory.c:406 copy_pte_range mm/memory.c:830 [inline] copy_pmd_range mm/memory.c:906 [inline] copy_pud_range mm/memory.c:940 [inline] copy_p4d_range mm/memory.c:962 [inline] copy_page_range+0x1458/0x20e0 mm/memory.c:1024 dup_mmap kernel/fork.c:585 [inline] dup_mm kernel/fork.c:1318 [inline] copy_mm kernel/fork.c:1373 [inline] copy_process.part.38+0x3876/0x7170 kernel/fork.c:1917 copy_process kernel/fork.c:1708 [inline] _do_fork+0x15d/0xba0 kernel/fork.c:2216 __do_sys_clone kernel/fork.c:2323 [inline] __se_sys_clone kernel/fork.c:2317 [inline] __x64_sys_clone+0xba/0x140 kernel/fork.c:2317 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45802a Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 RSP: 002b:00007fff962a2a50 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fff962a2a50 RCX: 000000000045802a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007fff962a2a90 R08: 0000000000000001 R09: 0000000002677940 R10: 0000000002677c10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007fff962a2ae0 Modules linked in: CR2: ffffc90001957030 ---[ end trace 5ab8e6d2f3261794 ]--- RIP: 0010:bpf_jit_binary_hdr include/linux/filter.h:712 [inline] RIP: 0010:bpf_get_prog_addr_region kernel/bpf/core.c:490 [inline] RIP: 0010:bpf_tree_comp kernel/bpf/core.c:559 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_prog_kallsyms_find+0xc3/0x2e0 kernel/bpf/core.c:633 Code: 03 42 80 3c 30 00 0f 85 1c 01 00 00 4d 8b 6f 50 49 8d 7d 30 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 50 01 00 00 49 8d 7d 02 <49> 8b 5d 30 48 89 f8 49 89 f9 48 c1 e8 03 41 83 e1 07 42 0f b6 04 RSP: 0018:ffff888099bef4d8 EFLAGS: 00010246 RAX: 1ffff9200032ae06 RBX: ffffffffa0010000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 000000000007c9f4 RDI: ffffc90001957002 RBP: ffff888099bef518 R08: ffffffff8800dbc0 R09: 0000000000000002 R10: ffffed1015d65baf R11: ffff8880aeb2dd7b R12: ffff88809c6307b8 R13: ffffc90001957000 R14: dffffc0000000000 R15: ffff88809c6307b8 FS: 0000000002677940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90001957030 CR3: 0000000098b2f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400