Oops: general protection fault, probably for non-canonical address 0xe3fffa2201f19a2c: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x1ffff1100f8cd160-0x1ffff1100f8cd167] CPU: 1 UID: 0 PID: 11605 Comm: syz.1.1635 Not tainted 6.10.0-syzkaller-12246-g786c8248dbd3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__dev_flush+0x5b/0x160 Code: 48 89 ef e8 47 d6 3e 00 48 8b 5d 00 48 39 eb 0f 84 ff 00 00 00 48 89 2c 24 49 89 dd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 48 89 df e8 15 d6 3e 00 48 8b 03 48 89 44 RSP: 0018:ffffc90000a18af0 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: 1ffff1100f8cd160 RCX: ffff88807c668000 RDX: 0000000080000100 RSI: 0000000000000000 RDI: ffffc90009177810 RBP: ffffc90009177810 R08: ffffffff89697d9a R09: 1ffffffff1f5f4bd R10: dffffc0000000000 R11: fffffbfff1f5f4be R12: 0000000000000000 R13: 03fffe2201f19a2c R14: 0000000000000000 R15: ffffc90009177810 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f484bb1f784 CR3: 000000001f0d4000 CR4: 0000000000350ef0 Call Trace: xdp_do_check_flushed+0x129/0x240 net/core/filter.c:4300 __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+0x2c6/0x970 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:stack_not_used include/linux/sched/task_stack.h:108 [inline] RIP: 0010:check_stack_usage kernel/exit.c:787 [inline] RIP: 0010:do_exit+0x1d35/0x27f0 kernel/exit.c:925 Code: e8 03 42 80 3c 38 00 74 08 48 89 df e8 e4 35 a4 00 48 8b 1b 41 bc 08 00 00 00 4a 8d 3c 23 48 89 f8 48 c1 e8 03 42 80 3c 38 00 <74> 05 e8 c4 35 a4 00 4a 83 3c 23 00 75 0b e8 58 ea 3c 00 49 83 c4 RSP: 0018:ffffc90009177ac0 EFLAGS: 00000246 RAX: 1ffff9200122eb28 RBX: ffffc90009170000 RCX: ffff88807c668000 RDX: 0000000000000000 RSI: ffffffff8bcae720 RDI: ffffc90009175940 RBP: ffffc90009177c20 R08: ffffffff8fafa5ef R09: 1ffffffff1f5f4bd R10: dffffc0000000000 R11: fffffbfff1f5f4be R12: 0000000000005940 R13: 1ffff1100f8cd0c4 R14: 0000000000000000 R15: dffffc0000000000 do_group_exit+0x207/0x2c0 kernel/exit.c:1031 get_signal+0x16a1/0x1740 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: 0033:0x7f0683775f19 Code: Unable to access opcode bytes at 0x7f0683775eef. RSP: 002b:00007f06831ff0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f0683905f68 RCX: 00007f0683775f19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0683905f68 RBP: 00007f0683905f60 R08: 00007f06831ff6c0 R09: 00007f06831ff6c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0683905f6c R13: 000000000000000b R14: 00007ffd50953bb0 R15: 00007ffd50953c98 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__dev_flush+0x5b/0x160 Code: 48 89 ef e8 47 d6 3e 00 48 8b 5d 00 48 39 eb 0f 84 ff 00 00 00 48 89 2c 24 49 89 dd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df <41> 80 7c 05 00 00 74 08 48 89 df e8 15 d6 3e 00 48 8b 03 48 89 44 RSP: 0018:ffffc90000a18af0 EFLAGS: 00010212 RAX: dffffc0000000000 RBX: 1ffff1100f8cd160 RCX: ffff88807c668000 RDX: 0000000080000100 RSI: 0000000000000000 RDI: ffffc90009177810 RBP: ffffc90009177810 R08: ffffffff89697d9a R09: 1ffffffff1f5f4bd R10: dffffc0000000000 R11: fffffbfff1f5f4be R12: 0000000000000000 R13: 03fffe2201f19a2c R14: 0000000000000000 R15: ffffc90009177810 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f484bb1f784 CR3: 000000001f0d4000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: 48 89 ef mov %rbp,%rdi 3: e8 47 d6 3e 00 call 0x3ed64f 8: 48 8b 5d 00 mov 0x0(%rbp),%rbx c: 48 39 eb cmp %rbp,%rbx f: 0f 84 ff 00 00 00 je 0x114 15: 48 89 2c 24 mov %rbp,(%rsp) 19: 49 89 dd mov %rbx,%r13 1c: 49 c1 ed 03 shr $0x3,%r13 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 41 80 7c 05 00 00 cmpb $0x0,0x0(%r13,%rax,1) <-- trapping instruction 30: 74 08 je 0x3a 32: 48 89 df mov %rbx,%rdi 35: e8 15 d6 3e 00 call 0x3ed64f 3a: 48 8b 03 mov (%rbx),%rax 3d: 48 rex.W 3e: 89 .byte 0x89 3f: 44 rex.R