Oops: general protection fault, probably for non-canonical address 0xe3fffb240010b9c8: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: maybe wild-memory-access in range [0x1ffff9200085ce40-0x1ffff9200085ce47] CPU: 1 UID: 0 PID: 32562 Comm: syz.3.7851 Not tainted 6.11.0-rc1-syzkaller-00004-gdc1c8034e31b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__cpu_map_flush+0x42/0xd0 Code: e8 23 d9 d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 3d ec 3a 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 1f ec 3a 00 4c 8b 23 48 8d 7b c0 RSP: 0018:ffffc90000a18b10 EFLAGS: 00010203 RAX: 03ffff240010b9c8 RBX: 1ffff9200085ce44 RCX: ffff88806bb75a00 RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffffc900042e71a0 RBP: dffffc0000000000 R08: ffffffff8985908a R09: 1ffffffff1feced5 R10: dffffc0000000000 R11: fffffbfff1feced6 R12: ffffc900042e71a0 R13: ffffc900042e7160 R14: ffffc900042e71a0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c339f81 CR3: 0000000033374000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xdp_do_check_flushed+0x136/0x240 net/core/filter.c:4311 __napi_poll+0xe4/0x490 net/core/dev.c:6774 napi_poll net/core/dev.c:6840 [inline] net_rx_action+0x89b/0x1240 net/core/dev.c:6962 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 common_interrupt+0xaa/0xd0 arch/x86/kernel/irq.c:278 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x90 kernel/kcov.c:310 Code: 10 48 89 74 0a 18 4c 89 44 0a 20 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 4c 8b 04 24 65 48 8b 0c 25 00 d7 03 00 65 8b 05 90 4f RSP: 0018:ffffc900042e7318 EFLAGS: 00000246 RAX: ffffffff81dd4e00 RBX: ffffea0001ed1f58 RCX: ffff88806bb75a00 RDX: 0000000000000000 RSI: 0000000000000020 RDI: 0000000000000000 RBP: ffffc900042e7650 R08: ffffffff81dd4cf6 R09: 1ffffffff1feced5 R10: dffffc0000000000 R11: fffffbfff1feced6 R12: 1ffff11006388900 R13: 800000007b47d025 R14: 1ffffd40003da3eb R15: ffff888031c44d38 zap_present_folio_ptes mm/memory.c:1501 [inline] zap_present_ptes mm/memory.c:1576 [inline] zap_pte_range mm/memory.c:1618 [inline] zap_pmd_range mm/memory.c:1736 [inline] zap_pud_range mm/memory.c:1765 [inline] zap_p4d_range mm/memory.c:1786 [inline] unmap_page_range+0x14f3/0x42c0 mm/memory.c:1807 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1897 exit_mmap+0x264/0xc80 mm/mmap.c:3412 __mmput+0x115/0x380 kernel/fork.c:1345 exit_mm+0x220/0x310 kernel/exit.c:571 do_exit+0x9b2/0x27f0 kernel/exit.c:869 do_group_exit+0x207/0x2c0 kernel/exit.c:1031 get_signal+0x1695/0x1730 kernel/signal.c:2917 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6e81177299 Code: Unable to access opcode bytes at 0x7f6e8117726f. RSP: 002b:00007f6e81fdf0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f6e81305f88 RCX: 00007f6e81177299 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6e81305f88 RBP: 00007f6e81305f80 R08: 00007f6e81fdf6c0 R09: 00007f6e81fdf6c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6e81305f8c R13: 000000000000000b R14: 00007fff808df040 R15: 00007fff808df128 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__cpu_map_flush+0x42/0xd0 Code: e8 23 d9 d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 3d ec 3a 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 1f ec 3a 00 4c 8b 23 48 8d 7b c0 RSP: 0018:ffffc90000a18b10 EFLAGS: 00010203 RAX: 03ffff240010b9c8 RBX: 1ffff9200085ce44 RCX: ffff88806bb75a00 RDX: 0000000080000101 RSI: 0000000000000000 RDI: ffffc900042e71a0 RBP: dffffc0000000000 R08: ffffffff8985908a R09: 1ffffffff1feced5 R10: dffffc0000000000 R11: fffffbfff1feced6 R12: ffffc900042e71a0 R13: ffffc900042e7160 R14: ffffc900042e71a0 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c339f81 CR3: 0000000033374000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e8 23 d9 d6 ff call 0xffd6d928 5: 4c 89 f0 mov %r14,%rax 8: 48 c1 e8 03 shr $0x3,%rax c: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 11: 74 08 je 0x1b 13: 4c 89 f7 mov %r14,%rdi 16: e8 3d ec 3a 00 call 0x3aec58 1b: 49 8b 1e mov (%r14),%rbx 1e: 4c 39 f3 cmp %r14,%rbx 21: 74 77 je 0x9a 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 48 89 df mov %rbx,%rdi 34: e8 1f ec 3a 00 call 0x3aec58 39: 4c 8b 23 mov (%rbx),%r12 3c: 48 8d 7b c0 lea -0x40(%rbx),%rdi