==================================================================
BUG: KASAN: use-after-free in ring_buffer_peek+0x306/0x3b0 kernel/trace/ring_buffer.c:4946
Read of size 4 at addr ffff88811306b229 by task syz.3.2054/7194

CPU: 0 PID: 7194 Comm: syz.3.2054 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_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ring_buffer_peek+0x306/0x3b0 kernel/trace/ring_buffer.c:4946
 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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>

The buggy address belongs to the page:
page:ffffea00044c1ac0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11306b
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 ffffea00048a1208 ffffea00044c1a88 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 6443, ts 373313544548, free_ts 601799101329
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 vm_area_alloc_pages mm/vmalloc.c:-1 [inline]
 __vmalloc_area_node mm/vmalloc.c:2981 [inline]
 __vmalloc_node_range+0x507/0xad0 mm/vmalloc.c:3147
 vmalloc_user+0x73/0x80 mm/vmalloc.c:3298
 kcov_mmap+0x2b/0x130 kernel/kcov.c:474
 call_mmap include/linux/fs.h:2217 [inline]
 mmap_file+0x60/0xb0 mm/util.c:1099
 __mmap_region mm/mmap.c:1808 [inline]
 mmap_region+0xe42/0x1700 mm/mmap.c:2959
 do_mmap+0x812/0xf10 mm/mmap.c:1598
 vm_mmap_pgoff+0x1d6/0x410 mm/util.c:555
 ksys_mmap_pgoff+0x161/0x1d0 mm/mmap.c:1647
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
 __x64_sys_mmap+0xfa/0x110 arch/x86/kernel/sys_x86_64.c:86
 x64_sys_call+0x83/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10
 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
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 __vunmap+0x801/0x980 mm/vmalloc.c:2660
 __vfree mm/vmalloc.c:2709 [inline]
 vfree+0x8b/0xc0 mm/vmalloc.c:2740
 kcov_put kernel/kcov.c:417 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:519
 __fput+0x22b/0x900 fs/file_table.c:311
 ____fput+0x15/0x20 fs/file_table.c:339
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:890
 do_group_exit+0x149/0x310 kernel/exit.c:1004
 __do_sys_exit_group kernel/exit.c:1015 [inline]
 __se_sys_exit_group kernel/exit.c:1013 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1013
 x64_sys_call+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232
 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

Memory state around the buggy address:
 ffff88811306b100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88811306b180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88811306b200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                  ^
 ffff88811306b280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88811306b300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
page_owner tracks the page a[  603.375918][ T7194] ------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000219
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffe70 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2ead ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000219
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffe70 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eae ]---
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 6443, ts 373313544548, free_ts 601799101329
page last free stack trace:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d577e0 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001300021d
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5056d954a0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eaf ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001300021d
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5056d954a0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb0 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001300021d
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5056d954a0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d577e0 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000221
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb2 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000221
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb3 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000221
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb4 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d577e0 EFLAGS: 00010016
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000225
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb5 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000225
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb6 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57940 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000225
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb7 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d577e0 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000229
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb8 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000229
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eb9 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57940 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000229
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2eba ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d577e0 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001300022d
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2ebb ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57920 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001300022d
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2ebc ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d57940 EFLAGS: 00010002
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001300022d
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2ebd ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 7194 at kernel/trace/ring_buffer.c:4527 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 7194 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: 7194 Comm: syz.3.2054 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 3d 32 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 2c 34 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:ffffc90000d577e0 EFLAGS: 00010006
RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816bfc24
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000d57958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000013000231
R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000
FS:  00007f2b3060b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555ac3efff0 CR3: 0000000154fb2000 CR4: 00000000003506b0
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: 0033:0x7f2b31bb2159
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:00007f2b3060b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f2b31e39fa0 RCX: 00007f2b31bb2159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000006
RBP: 00007f2b31c49024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2b31e3a038 R14: 00007f2b31e39fa0 R15: 00007ffc8f161788
 </TASK>
---[ end trace d4873a8f7e9f2ebe ]---