Oops: general protection fault, probably for non-canonical address 0xdffffc00000201b8: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: probably user-memory-access in range [0x0000000000100dc0-0x0000000000100dc7] CPU: 0 PID: 5322 Comm: syz.0.37 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__dev_flush+0x49/0x1e0 kernel/bpf/devmap.c:424 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2f 48 8d 5d 80 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 69 01 00 00 48 8b 45 00 49 39 ef 4c 8d 60 80 0f RSP: 0018:ffffc90000007c80 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000100d40 RCX: ffffffff88d66f09 RDX: 00000000000201b8 RSI: ffffffff81af9c56 RDI: ffffc90003777a68 RBP: 0000000000100dc0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000010 R11: 0000000000000000 R12: ffffc90003777a58 R13: ffff888022de0008 R14: ffffc90003777a68 R15: ffffc90003777a68 FS: 00007f7306e766c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31d11ff8 CR3: 000000007f4aa000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xdp_do_check_flushed+0x14d/0x4e0 net/core/filter.c:4300 __napi_poll.constprop.0+0xd1/0x550 net/core/dev.c:6774 napi_poll net/core/dev.c:6840 [inline] net_rx_action+0xa92/0x1010 net/core/dev.c:6962 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 common_interrupt+0xb0/0xd0 arch/x86/kernel/irq.c:278 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 RIP: 0010:check_kcov_mode kernel/kcov.c:175 [inline] RIP: 0010:write_comp_data+0x2e/0x90 kernel/kcov.c:236 Code: 89 f8 49 89 f1 65 48 8b 15 3f 8f 79 7e 65 8b 05 40 8f 79 7e a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 82 1c 16 00 00 85 c0 74 4f <8b> 82 f8 15 00 00 83 f8 03 75 44 48 8b 82 00 16 00 00 8b 92 fc 15 RSP: 0018:ffffc90003776f50 EFLAGS: 00000246 RAX: 0000000080000000 RBX: ffffc90003776f80 RCX: ffffffff813cd8b7 RDX: ffff888021311e00 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: dffffc0000000000 R12: ffffc90003776fc8 R13: ffffffff8175e540 R14: ffffc90003777040 R15: ffff888021311e00 unwind_get_return_address+0x87/0xe0 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0xc1/0x170 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 save_stack+0x162/0x1f0 mm/page_owner.c:156 __set_page_owner+0x8b/0x560 mm/page_owner.c:320 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1473 prep_new_page mm/page_alloc.c:1481 [inline] get_page_from_freelist+0x1353/0x2e50 mm/page_alloc.c:3425 __alloc_pages_noprof+0x22b/0x2460 mm/page_alloc.c:4683 alloc_pages_bulk_noprof+0x742/0x14f0 mm/page_alloc.c:4631 alloc_pages_bulk_array_mempolicy_noprof+0x259/0x11d0 mm/mempolicy.c:2547 vm_area_alloc_pages mm/vmalloc.c:3549 [inline] __vmalloc_area_node mm/vmalloc.c:3659 [inline] __vmalloc_node_range_noprof+0x550/0x1520 mm/vmalloc.c:3840 __vmalloc_node_noprof mm/vmalloc.c:3905 [inline] __vmalloc_noprof+0x6d/0x90 mm/vmalloc.c:3919 bpf_prog_alloc_no_stats+0x58/0x440 kernel/bpf/core.c:104 bpf_prog_alloc+0x3b/0x240 kernel/bpf/core.c:145 bpf_prog_load+0x1b32/0x2660 kernel/bpf/syscall.c:2818 __sys_bpf+0x8e9/0x4a20 kernel/bpf/syscall.c:5710 __do_sys_bpf kernel/bpf/syscall.c:5817 [inline] __se_sys_bpf kernel/bpf/syscall.c:5815 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5815 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7306175b59 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:00007f7306e76048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7306305f60 RCX: 00007f7306175b59 RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007f73061e4e5d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f7306305f60 R15: 00007ffd52f0a0c8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__dev_flush+0x49/0x1e0 kernel/bpf/devmap.c:424 Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 2f 48 8d 5d 80 48 89 ea 48 c1 ea 03 <80> 3c 02 00 0f 85 69 01 00 00 48 8b 45 00 49 39 ef 4c 8d 60 80 0f RSP: 0018:ffffc90000007c80 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 0000000000100d40 RCX: ffffffff88d66f09 RDX: 00000000000201b8 RSI: ffffffff81af9c56 RDI: ffffc90003777a68 RBP: 0000000000100dc0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000010 R11: 0000000000000000 R12: ffffc90003777a58 R13: ffff888022de0008 R14: ffffc90003777a68 R15: ffffc90003777a68 FS: 00007f7306e766c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31d11ff8 CR3: 000000007f4aa000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 4 bytes skipped: 0: 48 c1 ea 03 shr $0x3,%rdx 4: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 8: 0f 85 98 01 00 00 jne 0x1a6 e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 49 8b 2f mov (%r15),%rbp 1b: 48 8d 5d 80 lea -0x80(%rbp),%rbx 1f: 48 89 ea mov %rbp,%rdx 22: 48 c1 ea 03 shr $0x3,%rdx * 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2a: 0f 85 69 01 00 00 jne 0x199 30: 48 8b 45 00 mov 0x0(%rbp),%rax 34: 49 39 ef cmp %rbp,%r15 37: 4c 8d 60 80 lea -0x80(%rax),%r12 3b: 0f .byte 0xf