WARNING in ring_buffer_read

ID	Workflow	Result	Correct	Bug	Created	Started	Finished	Revision
04c74514	assessment-security	DenialOfService: ✅ Exploitable: ✅ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ❌ UserNamespace: ❌ VMGuestTrigger: ❌ VMHostTrigger: ❌	❓	WARNING in ring_buffer_read_page	2026/08/09 00:29	2026/08/09 00:29	2026/08/09 01:18	5d63f80b

Title	Replies (including bot)	Last reply
[syzbot] WARNING in ring_buffer_read_page	0 (1)	2026/08/08 20:08

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[syzbot] WARNING in ring_buffer_read_page

0 (1)

2026/08/08 20:08

------------[ cut here ]------------ 1 WARNING: kernel/trace/ring_buffer.c:5957 at __rb_get_reader_page+0xe70/0x1450 kernel/trace/ring_buffer.c:5957, CPU#1: syz-executor422/6023 Modules linked in: CPU: 1 UID: 0 PID: 6023 Comm: syz-executor422 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__rb_get_reader_page+0xe70/0x1450 kernel/trace/ring_buffer.c:5957 Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 12 04 00 00 48 8b 43 10 be 04 00 00 00 48 8d 68 08 48 89 ef e8 75 ea 6b 00 f0 ff 45 00 90 <0f> 0b 90 e9 1c f9 ff ff 4c 8b 74 24 60 e8 1e 65 fc ff 48 8b 54 24 RSP: 0018:ffffc9000370fa20 EFLAGS: 00010006 RAX: 0000000000000001 RBX: ffff88801cade000 RCX: ffffffff820c7a2b RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff88813fe62008 RBP: ffff88813fe62008 R08: 0000000000000001 R09: ffffed1027fcc401 R10: ffff88813fe6200b R11: ffff88801cade0a8 R12: ffff88801f75d980 R13: ffffed1003eebb32 R14: 0000000000000ff0 R15: ffff88801f75d990 FS: 00007effc71086c0(0000) GS:ffff888123fe4000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007effc7106000 CR3: 0000000076748000 CR4: 00000000003526f0 Call Trace: <TASK> rb_get_reader_page kernel/trace/ring_buffer.c:5981 [inline] ring_buffer_read_page+0x8ed/0x1710 kernel/trace/ring_buffer.c:7103 tracing_buffers_read+0x2bf/0xaf0 kernel/trace/trace.c:7125 vfs_read+0x1e4/0xb40 fs/read_write.c:572 ksys_read+0x12a/0x250 fs/read_write.c:716 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x10b/0x830 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7effc8166cde Code: 08 0f 85 f5 e2 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08 RSP: 002b:00007effc7104198 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007effc71086c0 RCX: 00007effc8166cde RDX: 0000000000004000 RSI: 00007effc7104200 RDI: 0000000000000006 RBP: 00007effc7104200 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007effc81e0b20 R13: 0000000000000000 R14: 00007ffdeadf5850 R15: 00007ffdeadf5938 </TASK>