KASAN: slab-out-of-bounds Read in trace_stack

RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb11 ]---
==================================================================
BUG: KASAN: slab-out-of-bounds in trace_stack_print+0x151/0x310 kernel/trace/trace_output.c:1100
Read of size 8 at addr ffff8881000d8078 by task syz.5.1258/4732

CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 trace_stack_print+0x151/0x310 kernel/trace/trace_output.c:1100
 print_trace_fmt+0x4ed/0x710 kernel/trace/trace.c:4384
 print_trace_line+0x385/0x690 kernel/trace/trace.c:4549
 tracing_read_pipe+0x4fd/0xab0 kernel/trace/trace.c:6825
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>

Allocated by task 0:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3245 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260
 __trace_define_field kernel/trace/trace_events.c:121 [inline]
 trace_define_field kernel/trace/trace_events.c:152 [inline]
 event_define_fields+0x2a4/0x6b0 kernel/trace/trace_events.c:2511
 __trace_early_add_new_event kernel/trace/trace_events.c:2961 [inline]
 __trace_early_add_events+0xad/0x1f0 kernel/trace/trace_events.c:3638
 event_trace_enable+0x37b/0x3c0 kernel/trace/trace_events.c:3881
 trace_event_init+0x13/0x20 kernel/trace/trace_events.c:3965
 trace_init+0xe/0x10 kernel/trace/trace.c:10300
 start_kernel+0x204/0x4e0 init/main.c:1047
 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:527
 x86_64_start_kernel+0x5b/0x60 arch/x86/kernel/head64.c:508
 secondary_startup_64_no_verify+0xb1/0xbb

The buggy address belongs to the object at ffff8881000d8040
 which belongs to the cache ftrace_event_field of size 48
The buggy address is located 8 bytes to the right of
 48-byte region [ffff8881000d8040, ffff8881000d8070)
The buggy address belongs to the page:
page:ffffea0004003600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1000d8
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff88810004d200
raw: 0000000000000000 0000000000400040 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x0(), pid 1, ts 1319627935, free_ts 0
 create_dummy_stack mm/page_owner.c:60 [inline]
 register_early_stack+0x95/0xf0 mm/page_owner.c:76
 init_page_owner+0x32/0x830 mm/page_owner.c:86
 invoke_init_callbacks mm/page_ext.c:116 [inline]
 page_ext_init+0x371/0x3a0 mm/page_ext.c:510
 kernel_init_freeable+0x293/0x3d0 init/main.c:1629
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8881000d7f00: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc 00
 ffff8881000d7f80: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
>ffff8881000d8000: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc
                                                                ^
 ffff8881000d8080: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc
 ffff8881000d8100: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc
==================================================================
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d050
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8a638be2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb12 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d050
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8a638be2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb13 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0a4
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c312e12 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb14 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0a4
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ee24220 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb15 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0a4
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ee24220 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb16 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0a8
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8235661700 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb17 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0a8
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f459a2482f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb18 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0a8
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f459a2482f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb19 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010012
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0ac
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f459a2482f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb1a ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0ac
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f82358652f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb1b ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000000006d0ac
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f82358652f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb1c ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451f0
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb1d ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451f0
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb1e ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451f0
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb1f ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451f8
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb20 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451f8
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb21 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451f8
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb22 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451fc
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb23 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451fc
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb24 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000001451fc
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb25 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000145200
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb26 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37920 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000145200
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5020
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb27 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a37940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000145200
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f80fd84b2f8 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4668
 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5023
 trace_consume kernel/trace/trace.c:4007 [inline]
 tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631
 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb858dd3019
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:00007fb85780b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fb85905b090 RCX: 00007fb858dd3019
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000006
RBP: 00007fb858e6a00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb85905b128 R14: 00007fb85905b090 R15: 00007ffd21f48a98
 </TASK>
---[ end trace aa12f874f66acb28 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4732 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Modules linked in:
CPU: 0 PID: 4732 Comm: syz.5.1258 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4526
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc90000a377e0 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bf784
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000a37958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000145204
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007fb85780b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ebc7347ff0 CR3: 000000011c309000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000856 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4740
 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4940
 peek_next_entry kernel/trace/trace.c:3571 [inline]
 __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
 tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821
 vfs_read+0x28c/0xc20 fs/read_write.c:483
 ksys_read+0x14a/0x260 fs/read_write.c:623
 __do_sys_read fs/read_write.c:633 [inline]
 __se_sys_read fs/read_write.c:631 [inline]
 __x64_sys_read+0x7b/0x90 fs/read_write.c:631