------------[ cut here ]------------ WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278, CPU#1: syz.2.754/7952 Modules linked in: CPU: 1 UID: 0 PID: 7952 Comm: syz.2.754 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278 Code: 83 c4 f8 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 ee 01 00 00 44 89 65 00 49 83 c5 08 eb 13 e8 67 30 1f 00 90 <0f> 0b 90 eb 05 e8 5c 30 1f 00 45 31 ed 4c 89 e8 48 83 c4 28 5b 41 RSP: 0018:ffffc9001a8bf340 EFLAGS: 00010283 RAX: ffffffff81a1dca9 RBX: 00003fffffffffff RCX: 0000000000080000 RDX: ffffc9000fb15000 RSI: 0000000000001460 RDI: 0000000000001461 RBP: 0000000000000012 R08: 0000000000000eca R09: 00000027970d0a45 R10: 00000027970d0a45 R11: 00001f10c200002f R12: 0000000000000012 R13: 0000000000000000 R14: ffffc9001a8bf488 R15: 1ffffffff1bcaae2 FS: 00007f58a3ffe6c0(0000) GS:ffff888125fcd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000007977e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000000c DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: copy_data kernel/printk/printk_ringbuffer.c:1857 [inline] prb_read kernel/printk/printk_ringbuffer.c:1966 [inline] _prb_read_valid+0x672/0xa90 kernel/printk/printk_ringbuffer.c:2143 prb_read_valid+0x3c/0x60 kernel/printk/printk_ringbuffer.c:2215 printk_get_next_message+0x15c/0x7b0 kernel/printk/printk.c:2978 console_emit_next_record kernel/printk/printk.c:3062 [inline] console_flush_one_record kernel/printk/printk.c:3194 [inline] console_flush_all+0x514/0xb60 kernel/printk/printk.c:3268 __console_flush_and_unlock kernel/printk/printk.c:3298 [inline] console_unlock+0xbb/0x190 kernel/printk/printk.c:3338 vprintk_emit+0x4c5/0x590 kernel/printk/printk.c:2423 _printk+0xcf/0x120 kernel/printk/printk.c:2448 binder_ioctl+0x9a8/0x19c0 drivers/android/binder.c:5971 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f58a318f6c9 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:00007f58a3ffe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f58a33e6180 RCX: 00007f58a318f6c9 RDX: 0000000000000000 RSI: 000000004018620d RDI: 0000000000000005 RBP: 00007f58a3211f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f58a33e6218 R14: 00007f58a33e6180 R15: 00007fff70ebf578