syzbot
KASAN: slab-out-of-bounds Read in ring_buffer_peek
Status:
premoderation: reported on 2026/07/30 09:52
Reported-by: syzbot+7f7f979e91b7e4277dcc@syzkaller.appspotmail.com
First crash: 10d, last: 10d
Sample crash report:
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: slab-out-of-bounds in rb_buffer_peek+0x88d/0x930 kernel/trace/ring_buffer.c:4919
Read of size 4 at addr ffff8881003c60c2 by task syz.6.83/554
CPU: 0 PID: 554 Comm: syz.6.83 Tainted: G S W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
<TASK>
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
print_address_description+0x71/0x200 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:420
kasan_report+0x122/0x150 mm/kasan/report.c:524
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
rb_buffer_peek+0x88d/0x930 kernel/trace/ring_buffer.c:4919
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
Allocated by task 1:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
__kasan_slab_alloc+0x72/0x80 mm/kasan/common.c:334
kasan_slab_alloc include/linux/kasan.h:202 [inline]
slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
slab_alloc_node mm/slub.c:3382 [inline]
slab_alloc mm/slub.c:3392 [inline]
__kmem_cache_alloc_lru mm/slub.c:3399 [inline]
kmem_cache_alloc+0x166/0x320 mm/slub.c:3408
kmem_cache_zalloc include/linux/slab.h:689 [inline]
__kernfs_new_node+0xe1/0x670 fs/kernfs/dir.c:614
kernfs_new_node+0x150/0x260 fs/kernfs/dir.c:690
__kernfs_create_file+0x4e/0x270 fs/kernfs/file.c:1068
sysfs_add_file_mode_ns+0x1ce/0x270 fs/sysfs/file.c:294
create_files fs/sysfs/group.c:76 [inline]
internal_create_group+0x6b7/0xec0 fs/sysfs/group.c:176
internal_create_groups fs/sysfs/group.c:216 [inline]
sysfs_create_groups+0x58/0x120 fs/sysfs/group.c:242
device_add_groups drivers/base/core.c:2753 [inline]
device_add_attrs+0x1ae/0x830 drivers/base/core.c:2912
device_add+0x5b0/0xec0 drivers/base/core.c:3649
device_register+0x1d/0x20 drivers/base/core.c:3780
subsys_register+0x141/0x1d0 drivers/base/bus.c:1107
subsys_system_register+0x28/0x30 drivers/base/bus.c:1145
cpu_dev_init+0x1d/0x4f drivers/base/cpu.c:671
driver_init+0x42/0x50 drivers/base/init.c:38
do_basic_setup+0x18/0x99 init/main.c:1538
kernel_init_freeable+0x2d1/0x42d init/main.c:1761
kernel_init+0x1d/0x1c0 init/main.c:1649
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
The buggy address belongs to the object at ffff8881003c6000
which belongs to the cache kernfs_node_cache of size 136
The buggy address is located 58 bytes to the right of
136-byte region [ffff8881003c6000, ffff8881003c6088)
The buggy address belongs to the physical page:
page:ffffea000400f180 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1003c6
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881001ed680
raw: 0000000000000000 0000000000140014 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, tgid 1 (swapper/0), ts 1097945155, free_ts 0
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1967 [inline]
new_slab+0x98/0x3e0 mm/slub.c:2020
___slab_alloc+0x70f/0xb70 mm/slub.c:3177
__slab_alloc+0x5e/0xa0 mm/slub.c:3263
slab_alloc_node mm/slub.c:3348 [inline]
slab_alloc mm/slub.c:3392 [inline]
__kmem_cache_alloc_lru mm/slub.c:3399 [inline]
kmem_cache_alloc+0x1a8/0x320 mm/slub.c:3408
kmem_cache_zalloc include/linux/slab.h:689 [inline]
__kernfs_new_node+0xe1/0x670 fs/kernfs/dir.c:614
kernfs_new_node+0x150/0x260 fs/kernfs/dir.c:690
__kernfs_create_file+0x4e/0x270 fs/kernfs/file.c:1068
sysfs_add_file_mode_ns+0x1ce/0x270 fs/sysfs/file.c:294
sysfs_create_file_ns+0x128/0x1b0 fs/sysfs/file.c:355
sysfs_create_file include/linux/sysfs.h:662 [inline]
bus_create_file drivers/base/bus.c:137 [inline]
add_probe_files+0x12d/0x210 drivers/base/bus.c:565
bus_register+0x3e4/0x670 drivers/base/bus.c:835
page_owner free stack trace missing
Memory state around the buggy address:
ffff8881003c5f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8881003c6000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8881003c6080: 00 fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00
^
ffff8881003c6100: 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc
ffff8881003c6180: fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f136e1ee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f136e1ee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 0 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2715fee2f8 CR3: 000000013b074000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dbfa91f908 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dbfa91f908 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dbfa91f908 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 0 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32f16ff8 CR3: 000000013b074000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 0 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32f16ff8 CR3: 000000013b074000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dbfa91f908 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dbfa91f908 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055dbfa91f908 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 0 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556505e4e8 CR3: 000000013b074000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010012
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010006
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4841
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5200
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967820 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5114
peek_next_entry kernel/trace/trace.c:3595 [inline]
__find_next_entry+0x33c/0x6c0 kernel/trace/trace.c:3639
trace_find_next_entry_inc kernel/trace/trace.c:4020 [inline]
tracing_read_pipe+0x3d2/0xaf0 kernel/trace/trace.c:6855
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
__do_sys_read fs/read_write.c:623 [inline]
__se_sys_read fs/read_write.c:621 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:621
x64_sys_call+0x2f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f08db99df99
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:00007f08dc838028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f08dbc25fa0 RCX: 00007f08db99df99
RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f08dba34ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f08dbc26038 R14: 00007f08dbc25fa0 R15: 00007ffde1c3c088
</TASK>
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 554 at kernel/trace/ring_buffer.c:4772 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Modules linked in:
CPU: 1 PID: 554 Comm: syz.6.83 Tainted: G S B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4771
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 6f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 fa 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 93 a2 fd ff e9 13 fe
RSP: 0018:ffffc90000967940 EFLAGS: 00010002
RAX: 1ffff1102002ec01 RBX: ffff888100052600 RCX: ffffffff8173c396
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90000967ab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 0000000000000ff0
FS: 00007f08dc8386c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f125adee2f8 CR3: 000000013b074000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4913
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5197
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6879
vfs_read+0x286/0x930 fs/read_write.c:468
ksys_read+0x14a/0x260 fs/read_write.c:613
Struck through repros no longer work on HEAD.