R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: use-after-free in rb_buffer_peek+0x88d/0x930 kernel/trace/ring_buffer.c:4920
Read of size 4 at addr ffff888166a1606d by task syz.8.815/3459
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
__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:4920
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
The buggy address belongs to the physical page:
page:ffffea00059a8580 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x166a16
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 3018, tgid 3017 (syz.6.693), ts 203560744479, free_ts 205477706806
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673
prep_new_page+0x1c/0x110 mm/page_alloc.c:2680
get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931
__folio_alloc+0x12/0x40 mm/page_alloc.c:5964
__folio_alloc_node include/linux/gfp.h:245 [inline]
folio_alloc include/linux/gfp.h:274 [inline]
shmem_alloc_folio mm/shmem.c:1597 [inline]
shmem_alloc_and_acct_folio+0x6dd/0x8c0 mm/shmem.c:1622
shmem_get_folio_gfp+0xd6d/0x20f0 mm/shmem.c:1951
shmem_get_folio mm/shmem.c:2082 [inline]
shmem_write_begin+0xea/0x2c0 mm/shmem.c:2567
generic_perform_write+0x32d/0x740 mm/filemap.c:3927
__generic_file_write_iter+0x17a/0x230 mm/filemap.c:4026
generic_file_write_iter+0xae/0x310 mm/filemap.c:4055
call_write_iter include/linux/fs.h:2282 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x5ef/0xd00 fs/read_write.c:584
ksys_write+0x14a/0x260 fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__x64_sys_write+0x7b/0x90 fs/read_write.c:646
x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1581 [inline]
free_pcp_prepare mm/page_alloc.c:1655 [inline]
free_unref_page_prepare+0x81b/0x820 mm/page_alloc.c:3622
free_unref_page_list+0x117/0x8d0 mm/page_alloc.c:3773
release_pages+0xc7e/0xce0 mm/swap.c:1053
__pagevec_release+0x71/0xe0 mm/swap.c:1073
pagevec_release include/linux/pagevec.h:71 [inline]
folio_batch_release include/linux/pagevec.h:135 [inline]
shmem_undo_range+0x564/0x14e0 mm/shmem.c:951
shmem_truncate_range mm/shmem.c:1067 [inline]
shmem_evict_inode+0x21f/0x9c0 mm/shmem.c:1176
evict+0x4c4/0x8c0 fs/inode.c:709
iput_final fs/inode.c:1845 [inline]
iput+0x633/0x690 fs/inode.c:1871
dentry_unlink_inode+0x346/0x3f0 fs/dcache.c:405
__dentry_kill+0x46c/0x680 fs/dcache.c:611
dentry_kill+0xc0/0x2a0 fs/dcache.c:-1
dput+0x42/0x80 fs/dcache.c:918
__fput+0x5c0/0x8f0 fs/file_table.c:328
____fput+0x15/0x20 fs/file_table.c:348
task_work_run+0x1e1/0x250 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
Memory state around the buggy address:
ffff888166a15f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888166a15f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff888166a16000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888166a16080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888166a16100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000009180 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000009180 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fabd27f12f8 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc05ff12f8 CR3: 000000014b654000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc05ff12f8 CR3: 000000014b654000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc05ff12f8 CR3: 000000014b654000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fabd27f12f8 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fabd27f12f8 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fabd27f12f8 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fabd27f12f8 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fabd27f12f8 CR3: 000000014b654000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010012
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1fab1f12f8 CR3: 000000014b654000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1fab1f12f8 CR3: 000000014b654000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 1 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 1 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1fab1f12f8 CR3: 000000014b654000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010006
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x770 kernel/trace/ring_buffer.c:4842
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5198
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf820 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adf990 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:5115
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:6849
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fadbb025fa0 RCX: 00007fadbad9e199
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000005
RBP: 00007fadbae358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fadbb026038 R14: 00007fadbb025fa0 R15: 00007ffceddb6c88
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 arch_atomic_inc include/linux/instrumented.h:102 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 atomic_inc include/linux/atomic/atomic-instrumented.h:191 [inline]
WARNING: CPU: 0 PID: 3459 at kernel/trace/ring_buffer.c:4773 rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Modules linked in:
CPU: 0 PID: 3459 Comm: syz.8.815 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_get_reader_page+0xada/0xc60 kernel/trace/ring_buffer.c:4772
Code: df 42 80 3c 20 00 74 0d 48 8d 7b 10 e8 2f 2d 43 00 48 8d 4b 10 48 8b 19 48 8d 7b 08 be 04 00 00 00 e8 ba 2f 43 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 0f 85 74 ff ff ff e8 53 a1 fd ff e9 13 fe
RSP: 0018:ffffc90001adf940 EFLAGS: 00010002
RAX: 1ffff1102002ee01 RBX: ffff888100052600 RCX: ffffffff8173ccd6
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001adfab0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: dffffc0000000000
R13: 1ffff11020073ef6 R14: 1ffff11020073ef3 R15: 00000000000000e0
FS: 00007fadbbd496c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056273ad79950 CR3: 000000014b654000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x5f/0x930 kernel/trace/ring_buffer.c:4914
ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5195
trace_consume kernel/trace/trace.c:4031 [inline]
tracing_read_pipe+0x5b3/0xaf0 kernel/trace/trace.c:6873
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: 0033:0x7fadbad9e199
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:00007fadbbd49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000