RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014085a ]---
==================================================================
BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4747
Read of size 4 at addr ffff888121a6327d by task syz.2.1028/4683
CPU: 1 PID: 4683 Comm: syz.2.1028 Tainted: G W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:427 [inline]
kasan_report+0x10f/0x150 mm/kasan/report.c:444
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4747
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
The buggy address belongs to the page:
page:ffffea00048698c0 refcount:0 mapcount:-128 mapping:0000000000000000 index:0x0 pfn:0x121a63
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 ffffea00047d50c8 ffffea00048688c8 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 1479, ts 59096531214, free_ts 224090067245
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
__alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
vm_area_alloc_pages mm/vmalloc.c:-1 [inline]
__vmalloc_area_node mm/vmalloc.c:2981 [inline]
__vmalloc_node_range+0x507/0xad0 mm/vmalloc.c:3147
vmalloc_user+0x73/0x80 mm/vmalloc.c:3298
kcov_mmap+0x2b/0x130 kernel/kcov.c:479
call_mmap include/linux/fs.h:2223 [inline]
mmap_file+0x60/0xb0 mm/util.c:1099
__mmap_region mm/mmap.c:1808 [inline]
mmap_region+0xe42/0x1700 mm/mmap.c:2959
do_mmap+0x812/0xf10 mm/mmap.c:1598
vm_mmap_pgoff+0x1d6/0x410 mm/util.c:555
ksys_mmap_pgoff+0x161/0x1d0 mm/mmap.c:1647
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:93 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__x64_sys_mmap+0xfa/0x110 arch/x86/kernel/sys_x86_64.c:86
x64_sys_call+0x83/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:10
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1474 [inline]
free_pcp_prepare mm/page_alloc.c:1546 [inline]
free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
free_unref_page+0xae/0x540 mm/page_alloc.c:3618
free_the_page mm/page_alloc.c:805 [inline]
__free_pages+0x6c/0x100 mm/page_alloc.c:5900
__vunmap+0x801/0x980 mm/vmalloc.c:2660
__vfree mm/vmalloc.c:2709 [inline]
vfree+0x8b/0xc0 mm/vmalloc.c:2740
kcov_put kernel/kcov.c:422 [inline]
kcov_close+0x2b/0x50 kernel/kcov.c:524
__fput+0x22b/0x900 fs/file_table.c:311
____fput+0x15/0x20 fs/file_table.c:339
task_work_run+0x127/0x190 kernel/task_work.c:188
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0xb70/0x29a0 kernel/exit.c:896
do_group_exit+0x149/0x310 kernel/exit.c:1010
get_signal+0x64f/0x1430 kernel/signal.c:2920
arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
handle_signal_work kernel/entry/common.c:157 [inline]
exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:181
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:217
__syscall_exit_to_user_mode_work kernel/entry/common.c:299 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:310
Memory state around the buggy address:
ffff888121a63100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888121a63180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff888121a63200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888121a63280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888121a63300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c026d
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557a3b7888 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x43a/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014085b ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c0275
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557a3b7888 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_buffer_peek+0x442/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014085c ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c0275
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557a3b7888 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x6a4/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014085d ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Code: 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 39 8c 3d 00 49 8b 5d 00 48 8d 7b 08 be 04 00 00 00 e8 27 8e 3d 00 f0 ff 43 08 <0f> 0b 45 31 e4 e9 29 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90001347968 EFLAGS: 00010016
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816bcf29
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc900013479b0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: ffff888121a63289
R13: ffff88810018f810 R14: ffffc90001347b80 R15: 07fc1df21337ffff
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055557a3b7888 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014085e ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c027d
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014085f ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c027d
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x43a/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140860 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c0285
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x442/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140861 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c0285
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x6a4/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140862 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4738 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4738 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4738 rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Code: 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 39 8c 3d 00 49 8b 5d 00 48 8d 7b 08 be 04 00 00 00 e8 27 8e 3d 00 f0 ff 43 08 <0f> 0b 45 31 e4 e9 29 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90001347968 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816bcf29
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc900013479b0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: ffff888121a63299
R13: ffff88810018f810 R14: ffffc90001347b80 R15: 07fc1df233d7ffff
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140863 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c028d
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140864 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c028d
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x43a/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140865 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c0295
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_buffer_peek+0x442/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140866 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c0295
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x6a4/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140867 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4738 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4738 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 4683 at kernel/trace/ring_buffer.c:4738 rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Modules linked in:
CPU: 0 PID: 4683 Comm: syz.2.1028 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Code: 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 39 8c 3d 00 49 8b 5d 00 48 8d 7b 08 be 04 00 00 00 e8 27 8e 3d 00 f0 ff 43 08 <0f> 0b 45 31 e4 e9 29 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90001347968 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816bcf29
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc900013479b0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: ffff888121a632a9
R13: ffff88810018f810 R14: ffffc90001347b80 R15: 07fc1df2443fffff
FS: 00007ff6385836c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000200 CR3: 00000001265e6000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140868 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c029d
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140869 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c029d
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x43a/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014086a ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c02a5
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_buffer_peek+0x442/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014086b ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c02a5
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x6a4/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014086c ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Code: 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 39 8c 3d 00 49 8b 5d 00 48 8d 7b 08 be 04 00 00 00 e8 27 8e 3d 00 f0 ff 43 08 <0f> 0b 45 31 e4 e9 29 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90001347968 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816bcf29
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc900013479b0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: ffff888121a632b9
R13: ffff88810018f810 R14: ffffc90001347b80 R15: 07fc2121d4b7ffff
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014086d ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010012
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c02ad
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014086e ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c02ad
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x43a/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de014086f ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c02b5
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_buffer_peek+0x442/0x7a0 kernel/trace/ring_buffer.c:4741
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140870 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477a0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347910 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c02b5
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669
rb_buffer_peek+0x6a4/0x7a0 kernel/trace/ring_buffer.c:-1
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140871 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4738 rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 Tainted: G B W syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:rb_buffer_peek+0x6dd/0x7a0 kernel/trace/ring_buffer.c:4738
Code: 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 39 8c 3d 00 49 8b 5d 00 48 8d 7b 08 be 04 00 00 00 e8 27 8e 3d 00 f0 ff 43 08 <0f> 0b 45 31 e4 e9 29 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc90001347968 EFLAGS: 00010006
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816bcf29
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc900013479b0 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: ffff888121a632c9
R13: ffff88810018f810 R14: ffffc90001347b80 R15: 07fc0a297bafffff
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace:
ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941
peek_next_entry kernel/trace/trace.c:3571 [inline]
__find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615
trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline]
tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6831
vfs_read+0x28c/0xc20 fs/read_write.c:483
ksys_read+0x14a/0x260 fs/read_write.c:623
__do_sys_read fs/read_write.c:633 [inline]
__se_sys_read fs/read_write.c:631 [inline]
__x64_sys_read+0x7b/0x90 fs/read_write.c:631
x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff639b2a159
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:00007ff638583028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ff639db1fa0 RCX: 00007ff639b2a159
RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 000000000000000c
RBP: 00007ff639bc106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff639db2038 R14: 00007ff639db1fa0 R15: 00007ffec09a0848
---[ end trace ebcddd0de0140872 ]---
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 1 PID: 4683 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Modules linked in:
CPU: 1 PID: 4683 Comm: syz.2.1028 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+0xa68/0xc00 kernel/trace/ring_buffer.c:4527
Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 fd 3c 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 ec 3e 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85
RSP: 0018:ffffc900013477e0 EFLAGS: 00010002
RAX: 1ffff11020031f01 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001347958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000216c02bd
R13: 1ffff11020070413 R14: 1ffff11020070416 R15: dffffc0000000000
FS: 00007ff6385836c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005595369c1af8 CR3: 00000001265e6000 CR4: 00000000003506a0
Call Trace: