Oops: general protection fault, probably for non-canonical address 0xe3fffb24000543e3: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: maybe wild-memory-access in range [0x1ffff920002a1f18-0x1ffff920002a1f1f] CPU: 0 PID: 7488 Comm: syz.0.2102 Not tainted 6.10.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:__xsk_map_flush+0x6b/0x2a0 Code: 48 89 1c 24 eb 18 49 c7 06 00 00 00 00 48 8b 44 24 10 49 89 c4 48 39 d8 0f 84 2e 02 00 00 4c 89 e0 48 c1 e8 03 48 89 44 24 08 <42> 80 3c 28 00 74 08 4c 89 e7 e8 36 da bb fc 49 8b 04 24 48 89 44 RSP: 0018:ffffc90000007c88 EFLAGS: 00010202 RAX: 03ffff24000543e3 RBX: ffffc9000150f820 RCX: ffffffff845b027d RDX: 0000000000000000 RSI: ffffffff855fa440 RDI: ffffc9000150f820 RBP: ffff8881063ee018 R08: ffffffff86fbe52f R09: 1ffffffff0df7ca5 R10: dffffc0000000000 R11: fffffbfff0df7ca6 R12: 1ffff920002a1f18 R13: dffffc0000000000 R14: 1ffff11020c7dc03 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000f000 CR3: 00000000064b2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __napi_poll+0xe4/0x500 net/core/dev.c:6774 napi_poll net/core/dev.c:6840 [inline] net_rx_action+0x748/0x1090 net/core/dev.c:6962 handle_softirqs+0x1b7/0x570 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0x45/0xe0 kernel/softirq.c:637 common_interrupt+0xaa/0xd0 arch/x86/kernel/irq.c:278 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xca/0x130 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 ff e8 9c c1 a5 fc f6 44 24 21 02 75 52 41 f7 c6 00 02 00 00 74 01 fb bf 01 00 00 00 91 a6 32 fc 65 8b 05 02 a2 f4 7a 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc9000150f9a0 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff920002a1f38 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000001 RBP: ffffc9000150fa40 R08: ffff8881f6e28bab R09: 1ffff1103edc5175 R10: dffffc0000000000 R11: ffffed103edc5176 R12: dffffc0000000000 R13: 1ffff920002a1f34 R14: 0000000000000246 R15: ffffc9000150f9c0 exit_tasks_rcu_start+0x174/0x1c0 kernel/rcu/tasks.h:1215 do_exit+0x8d3/0x24d0 kernel/exit.c:895 do_group_exit+0x1ba/0x280 kernel/exit.c:1025 get_signal+0x10a1/0x11b0 kernel/signal.c:2909 arch_do_signal_or_restart+0x91/0x670 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+0x57/0x1d0 kernel/entry/common.c:218 do_syscall_64+0x9a/0x1a0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f37b80dbbd9 Code: Unable to access opcode bytes at 0x7f37b80dbbaf. RSP: 002b:00007f37b7b650f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f37b8269f68 RCX: 00007f37b80dbbd9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f37b8269f68 RBP: 00007f37b8269f60 R08: 00007f37b7b656c0 R09: 00007f37b7b656c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f37b8269f6c R13: 000000000000000b R14: 00007ffeecc54150 R15: 00007ffeecc54238 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__xsk_map_flush+0x6b/0x2a0 Code: 48 89 1c 24 eb 18 49 c7 06 00 00 00 00 48 8b 44 24 10 49 89 c4 48 39 d8 0f 84 2e 02 00 00 4c 89 e0 48 c1 e8 03 48 89 44 24 08 <42> 80 3c 28 00 74 08 4c 89 e7 e8 36 da bb fc 49 8b 04 24 48 89 44 RSP: 0018:ffffc90000007c88 EFLAGS: 00010202 RAX: 03ffff24000543e3 RBX: ffffc9000150f820 RCX: ffffffff845b027d RDX: 0000000000000000 RSI: ffffffff855fa440 RDI: ffffc9000150f820 RBP: ffff8881063ee018 R08: ffffffff86fbe52f R09: 1ffffffff0df7ca5 R10: dffffc0000000000 R11: fffffbfff0df7ca6 R12: 1ffff920002a1f18 R13: dffffc0000000000 R14: 1ffff11020c7dc03 R15: 0000000000000040 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002000f000 CR3: 00000000064b2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 89 1c 24 mov %rbx,(%rsp) 4: eb 18 jmp 0x1e 6: 49 c7 06 00 00 00 00 movq $0x0,(%r14) d: 48 8b 44 24 10 mov 0x10(%rsp),%rax 12: 49 89 c4 mov %rax,%r12 15: 48 39 d8 cmp %rbx,%rax 18: 0f 84 2e 02 00 00 je 0x24c 1e: 4c 89 e0 mov %r12,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 48 89 44 24 08 mov %rax,0x8(%rsp) * 2a: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 e7 mov %r12,%rdi 34: e8 36 da bb fc call 0xfcbbda6f 39: 49 8b 04 24 mov (%r12),%rax 3d: 48 rex.W 3e: 89 .byte 0x89 3f: 44 rex.R