RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452db9 ]---
==================================================================
BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4747
Read of size 4 at addr ffff88814b3a8b57 by task syz.5.453/2243
CPU: 0 PID: 2243 Comm: syz.5.453 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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
The buggy address belongs to the page:
page:ffffea00052cea00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14b3a8
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 ffffea00052cea08 ffffea00052cea08 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner info is not present (never set?)
Memory state around the buggy address:
ffff88814b3a8a00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff88814b3a8a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88814b3a8b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff88814b3a8b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff88814b3a8c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257920 EFLAGS: 00010002
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b47
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97b2e07840 CR3: 00000001218af000 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_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dba ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257940 EFLAGS: 00010006
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b47
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f97b2e07840 CR3: 00000001218af000 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
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dbb ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc900012577e0 EFLAGS: 00010002
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b4b
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30659f CR3: 00000001218af000 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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dbc ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257920 EFLAGS: 00010006
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b4b
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30659f CR3: 00000001218af000 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_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dbd ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257940 EFLAGS: 00010006
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b4b
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30659f CR3: 00000001218af000 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
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dbe ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc900012577e0 EFLAGS: 00010002
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b4f
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30659f CR3: 00000001218af000 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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dbf ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257920 EFLAGS: 00010002
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b4f
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0926027ed0 CR3: 00000001218af000 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_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dc0 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257940 EFLAGS: 00010006
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b4f
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0926027ed0 CR3: 00000001218af000 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
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dc1 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc900012577e0 EFLAGS: 00010006
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b53
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0926027ed0 CR3: 00000001218af000 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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dc2 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257920 EFLAGS: 00010002
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b53
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0926027ed0 CR3: 00000001218af000 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_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dc3 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc90001257940 EFLAGS: 00010006
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b53
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0926027ed0 CR3: 00000001218af000 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
ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024
trace_consume kernel/trace/trace.c:4007 [inline]
tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6855
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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dc4 ]---
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline]
WARNING: CPU: 0 PID: 2243 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline]
WARNING: CPU: 0 PID: 2243 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: 2243 Comm: syz.5.453 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:ffffc900012577e0 EFLAGS: 00010002
RAX: 1ffff11020031801 RBX: ffff888100052600 RCX: ffffffff816c1e64
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
RBP: ffffc90001257958 R08: ffff88810005260b R09: 1ffff1102000a4c1
R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004b005b57
R13: 1ffff110200705d3 R14: 1ffff110200705d6 R15: dffffc0000000000
FS: 00007f97b17f26c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556b8082e950 CR3: 00000001218af000 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: 0033:0x7f97b2dba159
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:00007f97b17f2028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f97b3042090 RCX: 00007f97b2dba159
RDX: 0000000000002000 RSI: 0000200000004000 RDI: 000000000000000c
RBP: 00007f97b2e5106b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97b3042128 R14: 00007f97b3042090 R15: 00007ffed7d44898
---[ end trace 6ee39748fc452dc5 ]---