Oops: general protection fault, probably for non-canonical address 0xe0007c0000008000: 0000 [#1] SMP KASAN PTI KASAN: maybe wild-memory-access in range [0x0004000000040000-0x0004000000040007] CPU: 0 UID: 0 PID: 25749 Comm: syz.0.4447 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:PagePoisoned include/linux/page-flags.h:329 [inline] RIP: 0010:page_to_nid include/linux/mm.h:2265 [inline] RIP: 0010:show_numa_info mm/vmalloc.c:5194 [inline] RIP: 0010:vmalloc_info_show+0x53d/0xcd0 mm/vmalloc.c:5279 Code: 00 00 48 8b 53 20 44 89 e8 48 8d 2c c2 48 89 ea 48 c1 ea 03 42 80 3c 32 00 0f 85 e8 05 00 00 4c 8b 7d 00 4c 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 08 06 00 00 49 8b 2f 48 c7 c7 ff ff ff ff 48 RSP: 0018:ffffc900037b7bc0 EFLAGS: 00010206 RAX: 000000000000fe30 RBX: ffff888028367c80 RCX: ffffc90005ee1000 RDX: 0000800000008000 RSI: ffffffff8261b197 RDI: ffff888034ccdc40 RBP: ffffc90004b89180 R08: 0000000000000004 R09: 000000000000fe30 R10: 000000000002a2d8 R11: 0000000000000000 R12: 0000000000000001 R13: 000000000000fe30 R14: dffffc0000000000 R15: 0004000000040000 FS: 00007fbeca1966c0(0000) GS:ffff88812437d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34eb1ff8 CR3: 00000000879f8000 CR4: 00000000003526f0 Call Trace: seq_read_iter+0x32f/0x1270 fs/seq_file.c:231 proc_reg_read_iter+0x220/0x310 fs/proc/inode.c:299 new_sync_read fs/read_write.c:493 [inline] vfs_read+0x825/0xb30 fs/read_write.c:574 ksys_read+0x12a/0x250 fs/read_write.c:717 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbec939cdd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbeca196028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fbec9615fa0 RCX: 00007fbec939cdd9 RDX: 000000000000fdef RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fbec9432d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fbec9616038 R14: 00007fbec9615fa0 R15: 00007ffea2c89da8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:PagePoisoned include/linux/page-flags.h:329 [inline] RIP: 0010:page_to_nid include/linux/mm.h:2265 [inline] RIP: 0010:show_numa_info mm/vmalloc.c:5194 [inline] RIP: 0010:vmalloc_info_show+0x53d/0xcd0 mm/vmalloc.c:5279 Code: 00 00 48 8b 53 20 44 89 e8 48 8d 2c c2 48 89 ea 48 c1 ea 03 42 80 3c 32 00 0f 85 e8 05 00 00 4c 8b 7d 00 4c 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 08 06 00 00 49 8b 2f 48 c7 c7 ff ff ff ff 48 RSP: 0018:ffffc900037b7bc0 EFLAGS: 00010206 RAX: 000000000000fe30 RBX: ffff888028367c80 RCX: ffffc90005ee1000 RDX: 0000800000008000 RSI: ffffffff8261b197 RDI: ffff888034ccdc40 RBP: ffffc90004b89180 R08: 0000000000000004 R09: 000000000000fe30 R10: 000000000002a2d8 R11: 0000000000000000 R12: 0000000000000001 R13: 000000000000fe30 R14: dffffc0000000000 R15: 0004000000040000 FS: 00007fbeca1966c0(0000) GS:ffff88812437d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34eb1ff8 CR3: 00000000879f8000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 48 8b 53 20 mov 0x20(%rbx),%rdx 6: 44 89 e8 mov %r13d,%eax 9: 48 8d 2c c2 lea (%rdx,%rax,8),%rbp d: 48 89 ea mov %rbp,%rdx 10: 48 c1 ea 03 shr $0x3,%rdx 14: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1) 19: 0f 85 e8 05 00 00 jne 0x607 1f: 4c 8b 7d 00 mov 0x0(%rbp),%r15 23: 4c 89 fa mov %r15,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 42 80 3c 32 00 cmpb $0x0,(%rdx,%r14,1) <-- trapping instruction 2f: 0f 85 08 06 00 00 jne 0x63d 35: 49 8b 2f mov (%r15),%rbp 38: 48 c7 c7 ff ff ff ff mov $0xffffffffffffffff,%rdi 3f: 48 rex.W