ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor3031366454
<...>
Warning: Permanently added '10.128.1.52' (ED25519) to the list of known hosts.
execve("ci2-android-5-15/syz-executor3031366454", ["ci2-android-5-15/syz-executor3031366454"], 0x7ffc56ba4990 /* 10 vars */) = 0
brk(NULL) = 0x555594df3000
brk(0x555594df3d40) = 0x555594df3d40
arch_prctl(ARCH_SET_FS, 0x555594df33c0) = 0
set_tid_address(0x555594df3690) = 303
set_robust_list(0x555594df36a0, 24) = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-15/syz-executor3031366454", 4096) = 45
getrandom("\xa6\xa3\xdc\xd8\x25\x24\x68\x0e", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555594df3d40
brk(0x555594e14d40) = 0x555594e14d40
brk(0x555594e15000) = 0x555594e15000
mprotect(0x7fd124adc000, 20480, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
executing program
write(1, "executing program\n", 18) = 18
mkdirat(AT_FDCWD, "./trace", 0777) = 0
mount(NULL, "./trace", "tracefs", 0, NULL) = 0
openat(AT_FDCWD, "./trace/events/dwc3/dwc3_ctrl_req/inject", O_RDWR) = 3
write(3, NULL, 0) = 0
mkdirat(AT_FDCWD, "./debug", 0777) = 0
mount(NULL, "./debug", "debugfs", 0, NULL) = 0
openat(AT_FDCWD, "./debug/tracing/trace_marker", O_WRONLY) = 4
openat(AT_FDCWD, "./debug/tracing/trace_pipe", O_RDONLY|O_NONBLOCK) = 5
write(4, "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"..., 8135) = 1024
[ 27.379997][ T30] audit: type=1400 audit(1785417927.974:64): avc: denied { execmem } for pid=303 comm="syz-executor303" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 27.396451][ T303] ------------[ cut here ]------------
[ 27.399448][ T30] audit: type=1400 audit(1785417927.984:65): avc: denied { mounton } for pid=303 comm="syz-executor303" path="/root/trace" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 27.404848][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 27.427558][ T30] audit: type=1400 audit(1785417927.984:66): avc: denied { mount } for pid=303 comm="syz-executor303" name="/" dev="tracefs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=filesystem permissive=1
[ 27.437643][ T303] Modules linked in:
[ 27.437657][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Not tainted syzkaller #0
[ 27.460250][ T30] audit: type=1400 audit(1785417927.984:67): avc: denied { search } for pid=303 comm="syz-executor303" name="/" dev="tracefs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=dir permissive=1
[ 27.464100][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 27.472002][ T30] audit: type=1400 audit(1785417927.984:68): avc: denied { read write } for pid=303 comm="syz-executor303" name="inject" dev="tracefs" ino=7271 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1
[ 27.493854][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 27.493883][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 27.493896][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010002
[ 27.493913][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 27.504758][ T30] audit: type=1400 audit(1785417927.984:69): avc: denied { open } for pid=303 comm="syz-executor303" path="/root/trace/events/dwc3/dwc3_ctrl_req/inject" dev="tracefs" ino=7271 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tracefs_t tclass=file permissive=1
[ 27.526938][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 27.526953][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 27.526965][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141005d
[ 27.532986][ T30] audit: type=1400 audit(1785417927.984:70): avc: denied { mount } for pid=303 comm="syz-executor303" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1
[ 27.552375][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 27.552391][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 27.655903][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 27.662484][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 27.670631][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 27.678599][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 27.686565][ T303] Call Trace:
[ 27.689829][ T303]
[ 27.692754][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 27.698374][ T303] ? __kasan_check_write+0x14/0x20
[ 27.703468][ T303] ? _raw_spin_lock+0x94/0xf0
[ 27.708144][ T303] rb_buffer_peek+0x60/0x7a0
[ 27.712730][ T303] ring_buffer_peek+0x184/0x3b0
[ 27.717665][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 27.723222][ T303] ? __kasan_check_write+0x14/0x20
[ 27.728337][ T303] ? _raw_spin_lock+0x94/0xf0
[ 27.732999][ T303] __find_next_entry+0x34d/0x6b0
[ 27.737918][ T303] ? rb_advance_reader+0x39c/0x6b0
[ 27.743013][ T303] ? trace_find_next_entry+0x370/0x370
[ 27.748454][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 27.753988][ T303] ? print_trace_line+0x385/0x690
[ 27.759015][ T303] tracing_read_pipe+0x3b8/0xab0
[ 27.763952][ T303] ? s_show+0x320/0x320
[ 27.768093][ T303] vfs_read+0x28c/0xc20
[ 27.772248][ T303] ? kernel_read+0x1f0/0x1f0
[ 27.776833][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 27.782449][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 27.787717][ T303] ? ptrace_stop+0x6d8/0xa70
[ 27.792335][ T303] ? __kasan_check_read+0x11/0x20
[ 27.797352][ T303] ? __fdget_pos+0x2d9/0x380
[ 27.801931][ T303] ksys_read+0x14a/0x260
[ 27.806158][ T303] ? vfs_write+0xfd0/0xfd0
[ 27.810571][ T303] ? __kasan_check_write+0x14/0x20
[ 27.815701][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 27.820802][ T303] __x64_sys_read+0x7b/0x90
[ 27.825378][ T303] x64_sys_call+0x96d/0x9a0
[ 27.829890][ T303] do_syscall_64+0x4c/0xa0
[ 27.834304][ T303] ? clear_bhb_loop+0x50/0xa0
[ 27.838970][ T303] ? clear_bhb_loop+0x50/0xa0
[ 27.843633][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 27.849603][ T303] RIP: 0033:0x7fd124a4bd79
[ 27.854023][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 27.874325][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 27.882994][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 27.890954][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 27.898909][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 27.906876][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 27.914830][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 27.922791][ T303]
[ 27.925812][ T303] ---[ end trace af7bd1961f3d58ee ]---
[ 27.931260][ T303] ==================================================================
[ 27.939301][ T303] BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0
[ 27.946498][ T303] Read of size 4 at addr ffff8881417b306d by task syz-executor303/303
[ 27.954638][ T303]
[ 27.956958][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G W syzkaller #0
[ 27.966047][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 27.976190][ T303] Call Trace:
[ 27.979968][ T303]
[ 27.983013][ T303] __dump_stack+0x21/0x30
[ 27.987345][ T303] dump_stack_lvl+0x110/0x170
[ 27.992009][ T303] ? show_regs_print_info+0x20/0x20
[ 27.997194][ T303] ? load_image+0x3f0/0x3f0
[ 28.001695][ T303] print_address_description+0x7f/0x2c0
[ 28.007246][ T303] ? rb_buffer_peek+0x71a/0x7a0
[ 28.012096][ T303] kasan_report+0x10f/0x150
[ 28.016601][ T303] ? rb_buffer_peek+0x71a/0x7a0
[ 28.021708][ T303] __asan_report_load4_noabort+0x14/0x20
[ 28.027336][ T303] rb_buffer_peek+0x71a/0x7a0
[ 28.032024][ T303] ring_buffer_peek+0x184/0x3b0
[ 28.036882][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 28.042437][ T303] ? __kasan_check_write+0x14/0x20
[ 28.047567][ T303] ? _raw_spin_lock+0x94/0xf0
[ 28.052238][ T303] __find_next_entry+0x34d/0x6b0
[ 28.057339][ T303] ? rb_advance_reader+0x39c/0x6b0
[ 28.062438][ T303] ? trace_find_next_entry+0x370/0x370
[ 28.067898][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 28.073437][ T303] ? print_trace_line+0x385/0x690
[ 28.078465][ T303] tracing_read_pipe+0x3b8/0xab0
[ 28.083500][ T303] ? s_show+0x320/0x320
[ 28.087654][ T303] vfs_read+0x28c/0xc20
[ 28.091799][ T303] ? kernel_read+0x1f0/0x1f0
[ 28.096380][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 28.101578][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 28.106862][ T303] ? ptrace_stop+0x6d8/0xa70
[ 28.111456][ T303] ? __kasan_check_read+0x11/0x20
[ 28.116483][ T303] ? __fdget_pos+0x2d9/0x380
[ 28.121055][ T303] ksys_read+0x14a/0x260
[ 28.125282][ T303] ? vfs_write+0xfd0/0xfd0
[ 28.129690][ T303] ? __kasan_check_write+0x14/0x20
[ 28.134795][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 28.139895][ T303] __x64_sys_read+0x7b/0x90
[ 28.144387][ T303] x64_sys_call+0x96d/0x9a0
[ 28.148892][ T303] do_syscall_64+0x4c/0xa0
[ 28.153293][ T303] ? clear_bhb_loop+0x50/0xa0
[ 28.157983][ T303] ? clear_bhb_loop+0x50/0xa0
[ 28.162641][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 28.168515][ T303] RIP: 0033:0x7fd124a4bd79
[ 28.172913][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 28.192521][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 28.200937][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 28.208915][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 28.216897][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 28.224854][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 28.232809][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 28.240767][ T303]
[ 28.243768][ T303]
[ 28.246073][ T303] The buggy address belongs to the page:
[ 28.251683][ T303] page:ffffea000505ecc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1417b3
[ 28.261898][ T303] flags: 0x4000000000000000(zone=1)
[ 28.267083][ T303] raw: 4000000000000000 ffffea000505ecc8 ffffea000505ecc8 0000000000000000
[ 28.275647][ T303] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 28.284208][ T303] page dumped because: kasan: bad access detected
[ 28.290611][ T303] page_owner info is not present (never set?)
[ 28.296655][ T303]
[ 28.298976][ T303] Memory state around the buggy address:
[ 28.304600][ T303] ffff8881417b2f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.312654][ T303] ffff8881417b2f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.320699][ T303] >ffff8881417b3000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.328740][ T303] ^
[ 28.336174][ T303] ffff8881417b3080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.344216][ T303] ffff8881417b3100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 28.352274][ T303] ==================================================================
[ 28.360329][ T303] Disabling lock debugging due to kernel taint
[ 28.367212][ T303] ------------[ cut here ]------------
[ 28.372687][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 28.382842][ T303] Modules linked in:
[ 28.386833][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 28.395947][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 28.406083][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 28.411890][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 28.431492][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010002
[ 28.437558][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 28.445526][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 28.453492][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 28.462161][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141005d
[ 28.470239][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 28.478378][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 28.487303][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.493890][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 28.501950][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.509945][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.517912][ T303] Call Trace:
[ 28.521203][ T303]
[ 28.524219][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 28.529938][ T303] ? __kasan_check_write+0x14/0x20
[ 28.535045][ T303] ? _raw_spin_lock+0x94/0xf0
[ 28.539720][ T303] rb_buffer_peek+0x60/0x7a0
[ 28.544304][ T303] ring_buffer_consume+0x1aa/0x370
[ 28.549416][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 28.554959][ T303] ? print_trace_line+0x385/0x690
[ 28.559982][ T303] tracing_read_pipe+0x599/0xab0
[ 28.564918][ T303] ? s_show+0x320/0x320
[ 28.569071][ T303] vfs_read+0x28c/0xc20
[ 28.573311][ T303] ? kernel_read+0x1f0/0x1f0
[ 28.577977][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 28.583298][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 28.588603][ T303] ? ptrace_stop+0x6d8/0xa70
[ 28.593196][ T303] ? __kasan_check_read+0x11/0x20
[ 28.598216][ T303] ? __fdget_pos+0x2d9/0x380
[ 28.602800][ T303] ksys_read+0x14a/0x260
[ 28.607068][ T303] ? vfs_write+0xfd0/0xfd0
[ 28.611501][ T303] ? __kasan_check_write+0x14/0x20
[ 28.616624][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 28.621753][ T303] __x64_sys_read+0x7b/0x90
[ 28.626278][ T303] x64_sys_call+0x96d/0x9a0
[ 28.630785][ T303] do_syscall_64+0x4c/0xa0
[ 28.635215][ T303] ? clear_bhb_loop+0x50/0xa0
[ 28.639890][ T303] ? clear_bhb_loop+0x50/0xa0
[ 28.644574][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 28.650466][ T303] RIP: 0033:0x7fd124a4bd79
[ 28.654880][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 28.674955][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 28.683392][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 28.691383][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 28.699450][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 28.707422][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 28.715392][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 28.723368][ T303]
[ 28.726405][ T303] ---[ end trace af7bd1961f3d58ef ]---
[ 28.731910][ T303] ------------[ cut here ]------------
[ 28.737368][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 28.747532][ T303] Modules linked in:
[ 28.751437][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 28.760636][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 28.771031][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 28.776843][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 28.796628][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 28.802746][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 28.810721][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 28.818688][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 28.826761][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141005d
[ 28.834748][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 28.842892][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 28.851826][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.858437][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 28.866409][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 28.874379][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 28.882346][ T303] Call Trace:
[ 28.885621][ T303]
[ 28.888553][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 28.894191][ T303] ? __kasan_check_write+0x14/0x20
[ 28.899302][ T303] ? _raw_spin_lock+0x94/0xf0
[ 28.903981][ T303] rb_advance_reader+0x2b/0x6b0
[ 28.908839][ T303] ring_buffer_consume+0x1e7/0x370
[ 28.913952][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 28.919494][ T303] ? print_trace_line+0x385/0x690
[ 28.924513][ T303] tracing_read_pipe+0x599/0xab0
[ 28.929455][ T303] ? s_show+0x320/0x320
[ 28.933605][ T303] vfs_read+0x28c/0xc20
[ 28.937758][ T303] ? kernel_read+0x1f0/0x1f0
[ 28.942342][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 28.947534][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 28.952824][ T303] ? ptrace_stop+0x6d8/0xa70
[ 28.957429][ T303] ? __kasan_check_read+0x11/0x20
[ 28.962451][ T303] ? __fdget_pos+0x2d9/0x380
[ 28.967038][ T303] ksys_read+0x14a/0x260
[ 28.971274][ T303] ? vfs_write+0xfd0/0xfd0
[ 28.975685][ T303] ? __kasan_check_write+0x14/0x20
[ 28.980826][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 28.986028][ T303] __x64_sys_read+0x7b/0x90
[ 28.990530][ T303] x64_sys_call+0x96d/0x9a0
[ 28.995029][ T303] do_syscall_64+0x4c/0xa0
[ 28.999440][ T303] ? clear_bhb_loop+0x50/0xa0
[ 29.004112][ T303] ? clear_bhb_loop+0x50/0xa0
[ 29.008784][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 29.014671][ T303] RIP: 0033:0x7fd124a4bd79
[ 29.019099][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 29.038708][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 29.047118][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 29.055088][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 29.063070][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 29.071036][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 29.079008][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 29.086979][ T303]
[ 29.089993][ T303] ---[ end trace af7bd1961f3d58f0 ]---
[ 29.095870][ T303] ------------[ cut here ]------------
[ 29.101432][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 29.105408][ T30] audit: type=1400 audit(1785417929.684:71): avc: denied { read } for pid=83 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1
[ 29.111601][ T303] Modules linked in:
[ 29.111613][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 29.111632][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 29.133269][ T30] audit: type=1400 audit(1785417929.684:72): avc: denied { search } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 29.137125][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 29.146516][ T30] audit: type=1400 audit(1785417929.684:73): avc: denied { write } for pid=83 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 29.156350][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 29.156374][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010002
[ 29.156390][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 29.238341][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 29.246325][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 29.254291][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410061
[ 29.262246][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 29.270209][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 29.279122][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.287001][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 29.296810][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 29.304881][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 29.312843][ T303] Call Trace:
[ 29.316111][ T303]
[ 29.319035][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 29.324680][ T303] ? __kasan_check_write+0x14/0x20
[ 29.329776][ T303] ? _raw_spin_lock+0x94/0xf0
[ 29.334438][ T303] rb_buffer_peek+0x60/0x7a0
[ 29.339019][ T303] ring_buffer_peek+0x184/0x3b0
[ 29.343864][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 29.349416][ T303] ? preempt_schedule+0xbc/0xd0
[ 29.354546][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 29.360175][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 29.366400][ T303] __find_next_entry+0x34d/0x6b0
[ 29.371403][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 29.376789][ T303] ? trace_find_next_entry+0x370/0x370
[ 29.382255][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 29.387805][ T303] ? print_trace_line+0x385/0x690
[ 29.392828][ T303] tracing_read_pipe+0x3b8/0xab0
[ 29.397770][ T303] ? s_show+0x320/0x320
[ 29.401918][ T303] vfs_read+0x28c/0xc20
[ 29.406063][ T303] ? kernel_read+0x1f0/0x1f0
[ 29.410637][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 29.415836][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 29.421121][ T303] ? ptrace_stop+0x6d8/0xa70
[ 29.425700][ T303] ? __kasan_check_read+0x11/0x20
[ 29.430722][ T303] ? __fdget_pos+0x2d9/0x380
[ 29.435300][ T303] ksys_read+0x14a/0x260
[ 29.439539][ T303] ? vfs_write+0xfd0/0xfd0
[ 29.443943][ T303] ? __kasan_check_write+0x14/0x20
[ 29.449038][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 29.454232][ T303] __x64_sys_read+0x7b/0x90
[ 29.458719][ T303] x64_sys_call+0x96d/0x9a0
[ 29.463214][ T303] do_syscall_64+0x4c/0xa0
[ 29.467619][ T303] ? clear_bhb_loop+0x50/0xa0
[ 29.472284][ T303] ? clear_bhb_loop+0x50/0xa0
[ 29.476991][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 29.482890][ T303] RIP: 0033:0x7fd124a4bd79
[ 29.487306][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 29.506912][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 29.515320][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 29.523306][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 29.531534][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 29.539506][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 29.547483][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 29.555452][ T303]
[ 29.558483][ T303] ---[ end trace af7bd1961f3d58f1 ]---
[ 29.564262][ T303] ------------[ cut here ]------------
[ 29.569726][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 29.579870][ T303] Modules linked in:
[ 29.583889][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 29.593003][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 29.603070][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 29.608895][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 29.628950][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010006
[ 29.635021][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 29.642987][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 29.650941][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 29.658985][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410061
[ 29.666941][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 29.674916][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 29.683897][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.690569][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 29.698685][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 29.706669][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 29.714755][ T303] Call Trace:
[ 29.718040][ T303]
[ 29.720966][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 29.726599][ T303] ? __kasan_check_write+0x14/0x20
[ 29.731704][ T303] ? _raw_spin_lock+0x94/0xf0
[ 29.736372][ T303] rb_buffer_peek+0x60/0x7a0
[ 29.740945][ T303] ring_buffer_consume+0x1aa/0x370
[ 29.746038][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 29.751569][ T303] ? print_trace_line+0x385/0x690
[ 29.756578][ T303] tracing_read_pipe+0x599/0xab0
[ 29.761684][ T303] ? s_show+0x320/0x320
[ 29.765820][ T303] vfs_read+0x28c/0xc20
[ 29.769965][ T303] ? kernel_read+0x1f0/0x1f0
[ 29.774539][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 29.779720][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 29.784988][ T303] ? ptrace_stop+0x6d8/0xa70
[ 29.789572][ T303] ? __kasan_check_read+0x11/0x20
[ 29.794601][ T303] ? __fdget_pos+0x2d9/0x380
[ 29.799182][ T303] ksys_read+0x14a/0x260
[ 29.803562][ T303] ? vfs_write+0xfd0/0xfd0
[ 29.808042][ T303] ? __kasan_check_write+0x14/0x20
[ 29.813156][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 29.818324][ T303] __x64_sys_read+0x7b/0x90
[ 29.822822][ T303] x64_sys_call+0x96d/0x9a0
[ 29.827330][ T303] do_syscall_64+0x4c/0xa0
[ 29.831922][ T303] ? clear_bhb_loop+0x50/0xa0
[ 29.836701][ T303] ? clear_bhb_loop+0x50/0xa0
[ 29.841369][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 29.847265][ T303] RIP: 0033:0x7fd124a4bd79
[ 29.851709][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 29.871331][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 29.879777][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 29.887840][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 29.895803][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 29.903767][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 29.911815][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 29.919778][ T303]
[ 29.922788][ T303] ---[ end trace af7bd1961f3d58f2 ]---
[ 29.928260][ T303] ------------[ cut here ]------------
[ 29.933705][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 29.943846][ T303] Modules linked in:
[ 29.947724][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 29.956897][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 29.966952][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 29.972760][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 29.992637][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 29.998699][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 30.006653][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 30.014625][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 30.023025][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410061
[ 30.030983][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 30.038955][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 30.047869][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.054451][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 30.062429][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 30.070652][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 30.078822][ T303] Call Trace:
[ 30.082102][ T303]
[ 30.085033][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 30.090666][ T303] ? __kasan_check_write+0x14/0x20
[ 30.095780][ T303] ? _raw_spin_lock+0x94/0xf0
[ 30.100448][ T303] rb_advance_reader+0x2b/0x6b0
[ 30.105285][ T303] ring_buffer_consume+0x1e7/0x370
[ 30.110402][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 30.115958][ T303] ? print_trace_line+0x385/0x690
[ 30.120983][ T303] tracing_read_pipe+0x599/0xab0
[ 30.125930][ T303] ? s_show+0x320/0x320
[ 30.130069][ T303] vfs_read+0x28c/0xc20
[ 30.134210][ T303] ? kernel_read+0x1f0/0x1f0
[ 30.138780][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 30.143960][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 30.149233][ T303] ? ptrace_stop+0x6d8/0xa70
[ 30.153828][ T303] ? __kasan_check_read+0x11/0x20
[ 30.158937][ T303] ? __fdget_pos+0x2d9/0x380
[ 30.163508][ T303] ksys_read+0x14a/0x260
[ 30.167741][ T303] ? vfs_write+0xfd0/0xfd0
[ 30.172154][ T303] ? __kasan_check_write+0x14/0x20
[ 30.177247][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 30.182351][ T303] __x64_sys_read+0x7b/0x90
[ 30.186852][ T303] x64_sys_call+0x96d/0x9a0
[ 30.191338][ T303] do_syscall_64+0x4c/0xa0
[ 30.195736][ T303] ? clear_bhb_loop+0x50/0xa0
[ 30.200480][ T303] ? clear_bhb_loop+0x50/0xa0
[ 30.205137][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 30.211006][ T303] RIP: 0033:0x7fd124a4bd79
[ 30.215411][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 30.235107][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 30.243507][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 30.251462][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 30.259421][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 30.267491][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 30.275448][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 30.283410][ T303]
[ 30.286427][ T303] ---[ end trace af7bd1961f3d58f3 ]---
[ 30.295053][ T303] ------------[ cut here ]------------
[ 30.300522][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 30.310662][ T303] Modules linked in:
[ 30.314540][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 30.324151][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 30.334190][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 30.339996][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 30.359676][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010002
[ 30.365742][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 30.373708][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 30.381683][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 30.389653][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410065
[ 30.397624][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 30.405611][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 30.414537][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.421128][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 30.429179][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 30.437140][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 30.445111][ T303] Call Trace:
[ 30.448377][ T303]
[ 30.451296][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 30.457092][ T303] ? __kasan_check_write+0x14/0x20
[ 30.462189][ T303] ? _raw_spin_lock+0x94/0xf0
[ 30.466862][ T303] rb_buffer_peek+0x60/0x7a0
[ 30.471436][ T303] ring_buffer_peek+0x184/0x3b0
[ 30.476272][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 30.481796][ T303] ? preempt_schedule+0xbc/0xd0
[ 30.486720][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 30.492337][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 30.498475][ T303] __find_next_entry+0x34d/0x6b0
[ 30.503399][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 30.508756][ T303] ? trace_find_next_entry+0x370/0x370
[ 30.514204][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 30.519749][ T303] ? print_trace_line+0x385/0x690
[ 30.524756][ T303] tracing_read_pipe+0x3b8/0xab0
[ 30.529676][ T303] ? s_show+0x320/0x320
[ 30.533830][ T303] vfs_read+0x28c/0xc20
[ 30.537970][ T303] ? kernel_read+0x1f0/0x1f0
[ 30.542665][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 30.547849][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 30.554254][ T303] ? ptrace_stop+0x6d8/0xa70
[ 30.558837][ T303] ? __kasan_check_read+0x11/0x20
[ 30.563851][ T303] ? __fdget_pos+0x2d9/0x380
[ 30.568427][ T303] ksys_read+0x14a/0x260
[ 30.572662][ T303] ? vfs_write+0xfd0/0xfd0
[ 30.577060][ T303] ? __kasan_check_write+0x14/0x20
[ 30.582153][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 30.587251][ T303] __x64_sys_read+0x7b/0x90
[ 30.591736][ T303] x64_sys_call+0x96d/0x9a0
[ 30.596247][ T303] do_syscall_64+0x4c/0xa0
[ 30.600660][ T303] ? clear_bhb_loop+0x50/0xa0
[ 30.605323][ T303] ? clear_bhb_loop+0x50/0xa0
[ 30.610097][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 30.616008][ T303] RIP: 0033:0x7fd124a4bd79
[ 30.620419][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 30.640101][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 30.648958][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 30.656924][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 30.665620][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 30.674345][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 30.682503][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 30.690503][ T303]
[ 30.693521][ T303] ---[ end trace af7bd1961f3d58f4 ]---
[ 30.702176][ T303] ------------[ cut here ]------------
[ 30.707664][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 30.717969][ T303] Modules linked in:
[ 30.721885][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 30.731024][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 30.741318][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 30.747438][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 30.770681][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010002
[ 30.776863][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 30.785253][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 30.793538][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 30.801518][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410065
[ 30.809499][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 30.817473][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 30.826580][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.833157][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 30.841134][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 30.849102][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 30.857069][ T303] Call Trace:
[ 30.860433][ T303]
[ 30.863362][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 30.868999][ T303] ? __kasan_check_write+0x14/0x20
[ 30.874111][ T303] ? _raw_spin_lock+0x94/0xf0
[ 30.878787][ T303] rb_buffer_peek+0x60/0x7a0
[ 30.883378][ T303] ring_buffer_consume+0x1aa/0x370
[ 30.888488][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 30.894038][ T303] ? print_trace_line+0x385/0x690
[ 30.899060][ T303] tracing_read_pipe+0x599/0xab0
[ 30.904000][ T303] ? s_show+0x320/0x320
[ 30.908154][ T303] vfs_read+0x28c/0xc20
[ 30.912310][ T303] ? kernel_read+0x1f0/0x1f0
[ 30.916895][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 30.922091][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 30.927374][ T303] ? ptrace_stop+0x6d8/0xa70
[ 30.931983][ T303] ? __kasan_check_read+0x11/0x20
[ 30.937038][ T303] ? __fdget_pos+0x2d9/0x380
[ 30.941808][ T303] ksys_read+0x14a/0x260
[ 30.946070][ T303] ? vfs_write+0xfd0/0xfd0
[ 30.950487][ T303] ? __kasan_check_write+0x14/0x20
[ 30.955776][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 30.960902][ T303] __x64_sys_read+0x7b/0x90
[ 30.965429][ T303] x64_sys_call+0x96d/0x9a0
[ 30.969948][ T303] do_syscall_64+0x4c/0xa0
[ 30.974370][ T303] ? clear_bhb_loop+0x50/0xa0
[ 30.979133][ T303] ? clear_bhb_loop+0x50/0xa0
[ 30.983809][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 30.989710][ T303] RIP: 0033:0x7fd124a4bd79
[ 30.994125][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 31.013903][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 31.022328][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 31.030306][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 31.038283][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 31.046251][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 31.054393][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 31.062371][ T303]
[ 31.065390][ T303] ---[ end trace af7bd1961f3d58f5 ]---
[ 31.070994][ T303] ------------[ cut here ]------------
[ 31.076443][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 31.086594][ T303] Modules linked in:
[ 31.090484][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 31.099588][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 31.109652][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 31.115474][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 31.135171][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 31.141259][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 31.149239][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 31.157210][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 31.165214][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410065
[ 31.173191][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 31.181162][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 31.190096][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.196674][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 31.204642][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 31.212614][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 31.220600][ T303] Call Trace:
[ 31.223880][ T303]
[ 31.226813][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 31.232447][ T303] ? __kasan_check_write+0x14/0x20
[ 31.237654][ T303] ? _raw_spin_lock+0x94/0xf0
[ 31.242335][ T303] rb_advance_reader+0x2b/0x6b0
[ 31.247184][ T303] ring_buffer_consume+0x1e7/0x370
[ 31.252290][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 31.257830][ T303] ? print_trace_line+0x385/0x690
[ 31.262851][ T303] tracing_read_pipe+0x599/0xab0
[ 31.267783][ T303] ? s_show+0x320/0x320
[ 31.271931][ T303] vfs_read+0x28c/0xc20
[ 31.276085][ T303] ? kernel_read+0x1f0/0x1f0
[ 31.280686][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 31.285967][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 31.291299][ T303] ? ptrace_stop+0x6d8/0xa70
[ 31.295914][ T303] ? __kasan_check_read+0x11/0x20
[ 31.300938][ T303] ? __fdget_pos+0x2d9/0x380
[ 31.305532][ T303] ksys_read+0x14a/0x260
[ 31.310233][ T303] ? vfs_write+0xfd0/0xfd0
[ 31.314773][ T303] ? __kasan_check_write+0x14/0x20
[ 31.320167][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 31.325292][ T303] __x64_sys_read+0x7b/0x90
[ 31.329796][ T303] x64_sys_call+0x96d/0x9a0
[ 31.334296][ T303] do_syscall_64+0x4c/0xa0
[ 31.338715][ T303] ? clear_bhb_loop+0x50/0xa0
[ 31.343384][ T303] ? clear_bhb_loop+0x50/0xa0
[ 31.348069][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 31.353983][ T303] RIP: 0033:0x7fd124a4bd79
[ 31.358403][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 31.378010][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 31.386431][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 31.394399][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 31.402372][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 31.410357][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 31.418440][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 31.426413][ T303]
[ 31.429430][ T303] ---[ end trace af7bd1961f3d58f6 ]---
[ 31.438548][ T303] ------------[ cut here ]------------
[ 31.444032][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 31.454213][ T303] Modules linked in:
[ 31.458137][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 31.467262][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 31.477785][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 31.483697][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 31.503401][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010006
[ 31.509477][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 31.517449][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 31.525420][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 31.533562][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410069
[ 31.541531][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 31.549502][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 31.558982][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.565581][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 31.573555][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 31.581875][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 31.589864][ T303] Call Trace:
[ 31.593142][ T303]
[ 31.596071][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 31.601704][ T303] ? __kasan_check_write+0x14/0x20
[ 31.606817][ T303] ? _raw_spin_lock+0x94/0xf0
[ 31.611498][ T303] rb_buffer_peek+0x60/0x7a0
[ 31.616096][ T303] ring_buffer_peek+0x184/0x3b0
[ 31.620970][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 31.626519][ T303] ? preempt_schedule+0xbc/0xd0
[ 31.631463][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 31.637107][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 31.643259][ T303] __find_next_entry+0x34d/0x6b0
[ 31.648196][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 31.653566][ T303] ? trace_find_next_entry+0x370/0x370
[ 31.659023][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 31.664654][ T303] ? print_trace_line+0x385/0x690
[ 31.669675][ T303] tracing_read_pipe+0x3b8/0xab0
[ 31.674609][ T303] ? s_show+0x320/0x320
[ 31.678782][ T303] vfs_read+0x28c/0xc20
[ 31.683053][ T303] ? kernel_read+0x1f0/0x1f0
[ 31.687675][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 31.692880][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 31.698166][ T303] ? ptrace_stop+0x6d8/0xa70
[ 31.702758][ T303] ? __kasan_check_read+0x11/0x20
[ 31.707786][ T303] ? __fdget_pos+0x2d9/0x380
[ 31.712382][ T303] ksys_read+0x14a/0x260
[ 31.716624][ T303] ? vfs_write+0xfd0/0xfd0
[ 31.721038][ T303] ? __kasan_check_write+0x14/0x20
[ 31.726145][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 31.731256][ T303] __x64_sys_read+0x7b/0x90
[ 31.735847][ T303] x64_sys_call+0x96d/0x9a0
[ 31.740348][ T303] do_syscall_64+0x4c/0xa0
[ 31.744762][ T303] ? clear_bhb_loop+0x50/0xa0
[ 31.749523][ T303] ? clear_bhb_loop+0x50/0xa0
[ 31.754288][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 31.760197][ T303] RIP: 0033:0x7fd124a4bd79
[ 31.764821][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 31.784920][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 31.793348][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 31.801415][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 31.809384][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 31.817353][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 31.825321][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 31.833327][ T303]
[ 31.836342][ T303] ---[ end trace af7bd1961f3d58f7 ]---
[ 31.842019][ T303] ------------[ cut here ]------------
[ 31.847489][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 31.857735][ T303] Modules linked in:
[ 31.861721][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 31.870860][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 31.880929][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 31.886874][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 31.906566][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010002
[ 31.912900][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 31.920890][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 31.929057][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 31.937446][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410069
[ 31.945440][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 31.953543][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 31.962477][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.969050][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 31.977012][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 31.984972][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 31.992932][ T303] Call Trace:
[ 31.996198][ T303]
[ 31.999138][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 32.004762][ T303] ? __kasan_check_write+0x14/0x20
[ 32.009951][ T303] ? _raw_spin_lock+0x94/0xf0
[ 32.014965][ T303] rb_buffer_peek+0x60/0x7a0
[ 32.019544][ T303] ring_buffer_consume+0x1aa/0x370
[ 32.024639][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 32.030172][ T303] ? print_trace_line+0x385/0x690
[ 32.035183][ T303] tracing_read_pipe+0x599/0xab0
[ 32.040114][ T303] ? s_show+0x320/0x320
[ 32.044301][ T303] vfs_read+0x28c/0xc20
[ 32.048454][ T303] ? kernel_read+0x1f0/0x1f0
[ 32.053041][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 32.058239][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 32.063543][ T303] ? ptrace_stop+0x6d8/0xa70
[ 32.068235][ T303] ? __kasan_check_read+0x11/0x20
[ 32.073270][ T303] ? __fdget_pos+0x2d9/0x380
[ 32.077843][ T303] ksys_read+0x14a/0x260
[ 32.082069][ T303] ? vfs_write+0xfd0/0xfd0
[ 32.086476][ T303] ? __kasan_check_write+0x14/0x20
[ 32.091590][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 32.096689][ T303] __x64_sys_read+0x7b/0x90
[ 32.101180][ T303] x64_sys_call+0x96d/0x9a0
[ 32.105671][ T303] do_syscall_64+0x4c/0xa0
[ 32.110350][ T303] ? clear_bhb_loop+0x50/0xa0
[ 32.115120][ T303] ? clear_bhb_loop+0x50/0xa0
[ 32.119792][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 32.125684][ T303] RIP: 0033:0x7fd124a4bd79
[ 32.130110][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 32.149705][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 32.158199][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 32.166174][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 32.174143][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 32.182117][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 32.190077][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 32.198063][ T303]
[ 32.201076][ T303] ---[ end trace af7bd1961f3d58f8 ]---
[ 32.206544][ T303] ------------[ cut here ]------------
[ 32.211993][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 32.222135][ T303] Modules linked in:
[ 32.226014][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 32.235120][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 32.245247][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 32.251054][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 32.270749][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 32.276831][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 32.284799][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 32.292770][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 32.300738][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410069
[ 32.308707][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 32.316662][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 32.325590][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 32.332158][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 32.340117][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 32.348087][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 32.356044][ T303] Call Trace:
[ 32.359310][ T303]
[ 32.362229][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 32.367862][ T303] ? __kasan_check_write+0x14/0x20
[ 32.372958][ T303] ? _raw_spin_lock+0x94/0xf0
[ 32.377618][ T303] rb_advance_reader+0x2b/0x6b0
[ 32.382455][ T303] ring_buffer_consume+0x1e7/0x370
[ 32.387733][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 32.393269][ T303] ? print_trace_line+0x385/0x690
[ 32.398286][ T303] tracing_read_pipe+0x599/0xab0
[ 32.403204][ T303] ? s_show+0x320/0x320
[ 32.407341][ T303] vfs_read+0x28c/0xc20
[ 32.411480][ T303] ? kernel_read+0x1f0/0x1f0
[ 32.416059][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 32.421247][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 32.426522][ T303] ? ptrace_stop+0x6d8/0xa70
[ 32.431099][ T303] ? __kasan_check_read+0x11/0x20
[ 32.436114][ T303] ? __fdget_pos+0x2d9/0x380
[ 32.440688][ T303] ksys_read+0x14a/0x260
[ 32.444912][ T303] ? vfs_write+0xfd0/0xfd0
[ 32.449319][ T303] ? __kasan_check_write+0x14/0x20
[ 32.454433][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 32.459544][ T303] __x64_sys_read+0x7b/0x90
[ 32.464046][ T303] x64_sys_call+0x96d/0x9a0
[ 32.468543][ T303] do_syscall_64+0x4c/0xa0
[ 32.472943][ T303] ? clear_bhb_loop+0x50/0xa0
[ 32.477690][ T303] ? clear_bhb_loop+0x50/0xa0
[ 32.482349][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 32.488227][ T303] RIP: 0033:0x7fd124a4bd79
[ 32.492732][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 32.512419][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 32.520827][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 32.528815][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 32.536818][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 32.544802][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 32.552849][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 32.560808][ T303]
[ 32.563820][ T303] ---[ end trace af7bd1961f3d58f9 ]---
[ 32.569496][ T303] ------------[ cut here ]------------
[ 32.574965][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 32.585137][ T303] Modules linked in:
[ 32.589036][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 32.598140][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 32.608208][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 32.614020][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 32.633623][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010002
[ 32.639708][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 32.647706][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 32.655782][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 32.663783][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141006d
[ 32.671848][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 32.679856][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 32.688976][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 32.695562][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 32.703535][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 32.711506][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 32.719474][ T303] Call Trace:
[ 32.722750][ T303]
[ 32.725679][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 32.731313][ T303] ? __kasan_check_write+0x14/0x20
[ 32.736421][ T303] ? _raw_spin_lock+0x94/0xf0
[ 32.741097][ T303] rb_buffer_peek+0x60/0x7a0
[ 32.745948][ T303] ring_buffer_peek+0x184/0x3b0
[ 32.750889][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 32.756429][ T303] ? preempt_schedule+0xbc/0xd0
[ 32.761275][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 32.766909][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 32.773073][ T303] __find_next_entry+0x34d/0x6b0
[ 32.778194][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 32.783652][ T303] ? trace_find_next_entry+0x370/0x370
[ 32.789110][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 32.794858][ T303] ? print_trace_line+0x385/0x690
[ 32.799974][ T303] tracing_read_pipe+0x3b8/0xab0
[ 32.804921][ T303] ? s_show+0x320/0x320
[ 32.809160][ T303] vfs_read+0x28c/0xc20
[ 32.813321][ T303] ? kernel_read+0x1f0/0x1f0
[ 32.817905][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 32.823189][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 32.828485][ T303] ? ptrace_stop+0x6d8/0xa70
[ 32.833076][ T303] ? __kasan_check_read+0x11/0x20
[ 32.838098][ T303] ? __fdget_pos+0x2d9/0x380
[ 32.842683][ T303] ksys_read+0x14a/0x260
[ 32.846924][ T303] ? vfs_write+0xfd0/0xfd0
[ 32.851344][ T303] ? __kasan_check_write+0x14/0x20
[ 32.856458][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 32.861567][ T303] __x64_sys_read+0x7b/0x90
[ 32.866079][ T303] x64_sys_call+0x96d/0x9a0
[ 32.870585][ T303] do_syscall_64+0x4c/0xa0
[ 32.874996][ T303] ? clear_bhb_loop+0x50/0xa0
[ 32.879667][ T303] ? clear_bhb_loop+0x50/0xa0
[ 32.885299][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 32.891203][ T303] RIP: 0033:0x7fd124a4bd79
[ 32.895911][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 32.915860][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 32.924303][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 32.932475][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 32.940735][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 32.948887][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 32.956860][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 32.964847][ T303]
[ 32.967874][ T303] ---[ end trace af7bd1961f3d58fa ]---
[ 32.973460][ T303] ------------[ cut here ]------------
[ 32.978921][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 32.989095][ T303] Modules linked in:
[ 32.992984][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 33.002087][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 33.012135][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 33.017944][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 33.037543][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010002
[ 33.043606][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 33.051584][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 33.059728][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 33.067693][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141006d
[ 33.075692][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 33.083670][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 33.092616][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.099205][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 33.107240][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 33.115217][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 33.123220][ T303] Call Trace:
[ 33.126497][ T303]
[ 33.129431][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 33.135081][ T303] ? __kasan_check_write+0x14/0x20
[ 33.140196][ T303] ? _raw_spin_lock+0x94/0xf0
[ 33.144968][ T303] rb_buffer_peek+0x60/0x7a0
[ 33.149563][ T303] ring_buffer_consume+0x1aa/0x370
[ 33.154857][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 33.160397][ T303] ? print_trace_line+0x385/0x690
[ 33.165436][ T303] tracing_read_pipe+0x599/0xab0
[ 33.170371][ T303] ? s_show+0x320/0x320
[ 33.174521][ T303] vfs_read+0x28c/0xc20
[ 33.178869][ T303] ? kernel_read+0x1f0/0x1f0
[ 33.183454][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 33.188646][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 33.194012][ T303] ? ptrace_stop+0x6d8/0xa70
[ 33.198597][ T303] ? __kasan_check_read+0x11/0x20
[ 33.203624][ T303] ? __fdget_pos+0x2d9/0x380
[ 33.208210][ T303] ksys_read+0x14a/0x260
[ 33.212459][ T303] ? vfs_write+0xfd0/0xfd0
[ 33.216872][ T303] ? __kasan_check_write+0x14/0x20
[ 33.221980][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 33.227088][ T303] __x64_sys_read+0x7b/0x90
[ 33.231589][ T303] x64_sys_call+0x96d/0x9a0
[ 33.236095][ T303] do_syscall_64+0x4c/0xa0
[ 33.240513][ T303] ? clear_bhb_loop+0x50/0xa0
[ 33.245185][ T303] ? clear_bhb_loop+0x50/0xa0
[ 33.249947][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 33.255840][ T303] RIP: 0033:0x7fd124a4bd79
[ 33.260252][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 33.280028][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 33.288438][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 33.296407][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 33.304378][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 33.312346][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 33.320314][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 33.328283][ T303]
[ 33.331299][ T303] ---[ end trace af7bd1961f3d58fb ]---
[ 33.336787][ T303] ------------[ cut here ]------------
[ 33.342238][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 33.352394][ T303] Modules linked in:
[ 33.356280][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 33.365560][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 33.375659][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 33.381475][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 33.401179][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 33.407258][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 33.415420][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 33.423405][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 33.431377][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141006d
[ 33.439444][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 33.447414][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 33.456367][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.463043][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 33.471024][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 33.479108][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 33.487188][ T303] Call Trace:
[ 33.490470][ T303]
[ 33.493400][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 33.499037][ T303] ? __kasan_check_write+0x14/0x20
[ 33.504146][ T303] ? _raw_spin_lock+0x94/0xf0
[ 33.508826][ T303] rb_advance_reader+0x2b/0x6b0
[ 33.513672][ T303] ring_buffer_consume+0x1e7/0x370
[ 33.518785][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 33.524336][ T303] ? print_trace_line+0x385/0x690
[ 33.529398][ T303] tracing_read_pipe+0x599/0xab0
[ 33.534608][ T303] ? s_show+0x320/0x320
[ 33.538788][ T303] vfs_read+0x28c/0xc20
[ 33.542960][ T303] ? kernel_read+0x1f0/0x1f0
[ 33.547550][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 33.552925][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 33.558298][ T303] ? ptrace_stop+0x6d8/0xa70
[ 33.563068][ T303] ? __kasan_check_read+0x11/0x20
[ 33.568089][ T303] ? __fdget_pos+0x2d9/0x380
[ 33.572676][ T303] ksys_read+0x14a/0x260
[ 33.576942][ T303] ? vfs_write+0xfd0/0xfd0
[ 33.581355][ T303] ? __kasan_check_write+0x14/0x20
[ 33.586461][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 33.591665][ T303] __x64_sys_read+0x7b/0x90
[ 33.596340][ T303] x64_sys_call+0x96d/0x9a0
[ 33.601022][ T303] do_syscall_64+0x4c/0xa0
[ 33.605433][ T303] ? clear_bhb_loop+0x50/0xa0
[ 33.610106][ T303] ? clear_bhb_loop+0x50/0xa0
[ 33.614868][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 33.620760][ T303] RIP: 0033:0x7fd124a4bd79
[ 33.625359][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 33.644979][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 33.653405][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 33.661380][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 33.669482][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 33.677466][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 33.685439][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 33.693414][ T303]
[ 33.696430][ T303] ---[ end trace af7bd1961f3d58fc ]---
[ 33.702858][ T303] ------------[ cut here ]------------
[ 33.708330][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 33.718490][ T303] Modules linked in:
[ 33.722387][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 33.731501][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 33.741564][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 33.747378][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 33.767687][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010012
[ 33.773769][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 33.781826][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 33.789885][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 33.797855][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410071
[ 33.805824][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 33.813796][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 33.822732][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.829321][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 33.837295][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 33.845267][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 33.853264][ T303] Call Trace:
[ 33.856541][ T303]
[ 33.859472][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 33.865111][ T303] ? __kasan_check_write+0x14/0x20
[ 33.870224][ T303] ? _raw_spin_lock+0x94/0xf0
[ 33.874909][ T303] rb_buffer_peek+0x60/0x7a0
[ 33.879497][ T303] ring_buffer_peek+0x184/0x3b0
[ 33.884348][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 33.889888][ T303] ? preempt_schedule+0xbc/0xd0
[ 33.894752][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 33.900465][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 33.906616][ T303] __find_next_entry+0x34d/0x6b0
[ 33.911566][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 33.917027][ T303] ? trace_find_next_entry+0x370/0x370
[ 33.922572][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 33.928122][ T303] ? print_trace_line+0x385/0x690
[ 33.933160][ T303] tracing_read_pipe+0x3b8/0xab0
[ 33.938188][ T303] ? s_show+0x320/0x320
[ 33.942341][ T303] vfs_read+0x28c/0xc20
[ 33.946514][ T303] ? kernel_read+0x1f0/0x1f0
[ 33.951208][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 33.956422][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 33.961706][ T303] ? ptrace_stop+0x6d8/0xa70
[ 33.966306][ T303] ? __kasan_check_read+0x11/0x20
[ 33.971416][ T303] ? __fdget_pos+0x2d9/0x380
[ 33.976006][ T303] ksys_read+0x14a/0x260
[ 33.980249][ T303] ? vfs_write+0xfd0/0xfd0
[ 33.984763][ T303] ? __kasan_check_write+0x14/0x20
[ 33.989871][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 33.994979][ T303] __x64_sys_read+0x7b/0x90
[ 33.999480][ T303] x64_sys_call+0x96d/0x9a0
[ 34.003987][ T303] do_syscall_64+0x4c/0xa0
[ 34.008433][ T303] ? clear_bhb_loop+0x50/0xa0
[ 34.013110][ T303] ? clear_bhb_loop+0x50/0xa0
[ 34.017894][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 34.023806][ T303] RIP: 0033:0x7fd124a4bd79
[ 34.028223][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 34.048029][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 34.056460][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 34.064584][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 34.072569][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 34.080889][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 34.088948][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 34.096921][ T303]
[ 34.100035][ T303] ---[ end trace af7bd1961f3d58fd ]---
[ 34.105684][ T303] ------------[ cut here ]------------
[ 34.111146][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 34.121307][ T303] Modules linked in:
[ 34.125196][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 34.134287][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 34.144492][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 34.150398][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 34.169998][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010006
[ 34.176271][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 34.184512][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 34.192485][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 34.200443][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410071
[ 34.208680][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 34.216670][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 34.225711][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.232299][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 34.240294][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 34.248282][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 34.256279][ T303] Call Trace:
[ 34.260112][ T303]
[ 34.263082][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 34.269059][ T303] ? __kasan_check_write+0x14/0x20
[ 34.274175][ T303] ? _raw_spin_lock+0x94/0xf0
[ 34.278843][ T303] rb_buffer_peek+0x60/0x7a0
[ 34.283601][ T303] ring_buffer_consume+0x1aa/0x370
[ 34.288698][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 34.294231][ T303] ? print_trace_line+0x385/0x690
[ 34.299246][ T303] tracing_read_pipe+0x599/0xab0
[ 34.304305][ T303] ? s_show+0x320/0x320
[ 34.308465][ T303] vfs_read+0x28c/0xc20
[ 34.312610][ T303] ? kernel_read+0x1f0/0x1f0
[ 34.317211][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 34.322395][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 34.327667][ T303] ? ptrace_stop+0x6d8/0xa70
[ 34.332247][ T303] ? __kasan_check_read+0x11/0x20
[ 34.337267][ T303] ? __fdget_pos+0x2d9/0x380
[ 34.341862][ T303] ksys_read+0x14a/0x260
[ 34.346113][ T303] ? vfs_write+0xfd0/0xfd0
[ 34.350518][ T303] ? __kasan_check_write+0x14/0x20
[ 34.355627][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 34.360760][ T303] __x64_sys_read+0x7b/0x90
[ 34.365252][ T303] x64_sys_call+0x96d/0x9a0
[ 34.369743][ T303] do_syscall_64+0x4c/0xa0
[ 34.374145][ T303] ? clear_bhb_loop+0x50/0xa0
[ 34.378813][ T303] ? clear_bhb_loop+0x50/0xa0
[ 34.383481][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 34.389360][ T303] RIP: 0033:0x7fd124a4bd79
[ 34.393774][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 34.413382][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 34.421803][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 34.429791][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 34.437757][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 34.445743][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 34.453717][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 34.461698][ T303]
[ 34.464717][ T303] ---[ end trace af7bd1961f3d58fe ]---
[ 34.470197][ T303] ------------[ cut here ]------------
[ 34.475857][ T303] WARNING: CPU: 0 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 34.486106][ T303] Modules linked in:
[ 34.489999][ T303] CPU: 0 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 34.499089][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 34.509124][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 34.514935][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 34.534524][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 34.540666][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 34.548806][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 34.556764][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 34.564720][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410071
[ 34.572675][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 34.580695][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 34.589779][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.596365][ T303] CR2: 00007fd124ae33c8 CR3: 00000001251cb000 CR4: 00000000003506b0
[ 34.604341][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 34.612394][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 34.620538][ T303] Call Trace:
[ 34.623823][ T303]
[ 34.626855][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 34.632502][ T303] ? __kasan_check_write+0x14/0x20
[ 34.637620][ T303] ? _raw_spin_lock+0x94/0xf0
[ 34.642299][ T303] rb_advance_reader+0x2b/0x6b0
[ 34.647150][ T303] ring_buffer_consume+0x1e7/0x370
[ 34.652376][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 34.658014][ T303] ? print_trace_line+0x385/0x690
[ 34.663175][ T303] tracing_read_pipe+0x599/0xab0
[ 34.668129][ T303] ? s_show+0x320/0x320
[ 34.672287][ T303] vfs_read+0x28c/0xc20
[ 34.676450][ T303] ? kernel_read+0x1f0/0x1f0
[ 34.681038][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 34.686335][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 34.691626][ T303] ? ptrace_stop+0x6d8/0xa70
[ 34.696413][ T303] ? __kasan_check_read+0x11/0x20
[ 34.701442][ T303] ? __fdget_pos+0x2d9/0x380
[ 34.706035][ T303] ksys_read+0x14a/0x260
[ 34.710281][ T303] ? vfs_write+0xfd0/0xfd0
[ 34.714697][ T303] ? __kasan_check_write+0x14/0x20
[ 34.719804][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 34.724915][ T303] __x64_sys_read+0x7b/0x90
[ 34.729414][ T303] x64_sys_call+0x96d/0x9a0
[ 34.733916][ T303] do_syscall_64+0x4c/0xa0
[ 34.738329][ T303] ? clear_bhb_loop+0x50/0xa0
[ 34.743003][ T303] ? clear_bhb_loop+0x50/0xa0
[ 34.747699][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 34.753676][ T303] RIP: 0033:0x7fd124a4bd79
[ 34.758101][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 34.777874][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 34.786318][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 34.794291][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 34.802262][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 34.810234][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 34.818293][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 34.826267][ T303]
[ 34.829283][ T303] ---[ end trace af7bd1961f3d58ff ]---
[ 34.834955][ T303] ------------[ cut here ]------------
[ 34.840428][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 34.850594][ T303] Modules linked in:
[ 34.854485][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 34.863794][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 34.873850][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 34.879657][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 34.899269][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010002
[ 34.905335][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 34.913306][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 34.921360][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 34.929329][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410075
[ 34.937298][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 34.945264][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 34.954191][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.960770][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 34.968741][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 34.976705][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 34.984783][ T303] Call Trace:
[ 34.988062][ T303]
[ 34.990989][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 34.996621][ T303] ? __kasan_check_write+0x14/0x20
[ 35.001727][ T303] ? _raw_spin_lock+0x94/0xf0
[ 35.006405][ T303] rb_buffer_peek+0x60/0x7a0
[ 35.011147][ T303] ring_buffer_peek+0x184/0x3b0
[ 35.016020][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 35.021580][ T303] ? preempt_schedule+0xbc/0xd0
[ 35.026440][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 35.032070][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 35.038237][ T303] __find_next_entry+0x34d/0x6b0
[ 35.043174][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 35.048548][ T303] ? trace_find_next_entry+0x370/0x370
[ 35.054021][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 35.059744][ T303] ? print_trace_line+0x385/0x690
[ 35.064777][ T303] tracing_read_pipe+0x3b8/0xab0
[ 35.069726][ T303] ? s_show+0x320/0x320
[ 35.073880][ T303] vfs_read+0x28c/0xc20
[ 35.078036][ T303] ? kernel_read+0x1f0/0x1f0
[ 35.082623][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 35.087820][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 35.093188][ T303] ? ptrace_stop+0x6d8/0xa70
[ 35.097778][ T303] ? __kasan_check_read+0x11/0x20
[ 35.102826][ T303] ? __fdget_pos+0x2d9/0x380
[ 35.107416][ T303] ksys_read+0x14a/0x260
[ 35.111657][ T303] ? vfs_write+0xfd0/0xfd0
[ 35.116068][ T303] ? __kasan_check_write+0x14/0x20
[ 35.121176][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 35.126376][ T303] __x64_sys_read+0x7b/0x90
[ 35.131142][ T303] x64_sys_call+0x96d/0x9a0
[ 35.135653][ T303] do_syscall_64+0x4c/0xa0
[ 35.140067][ T303] ? clear_bhb_loop+0x50/0xa0
[ 35.144742][ T303] ? clear_bhb_loop+0x50/0xa0
[ 35.149419][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 35.155324][ T303] RIP: 0033:0x7fd124a4bd79
[ 35.159738][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 35.179432][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 35.187845][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 35.195818][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 35.203797][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 35.211768][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 35.219742][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 35.227721][ T303]
[ 35.230743][ T303] ---[ end trace af7bd1961f3d5900 ]---
[ 35.236674][ T303] ------------[ cut here ]------------
[ 35.242141][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 35.252305][ T303] Modules linked in:
[ 35.256195][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 35.265300][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 35.275440][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 35.281424][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 35.301113][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010006
[ 35.307613][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 35.315594][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 35.323585][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 35.331563][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410075
[ 35.339543][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 35.347510][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 35.356439][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 35.363025][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 35.370997][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 35.379236][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 35.387221][ T303] Call Trace:
[ 35.390585][ T303]
[ 35.393519][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 35.399167][ T303] ? __kasan_check_write+0x14/0x20
[ 35.404280][ T303] ? _raw_spin_lock+0x94/0xf0
[ 35.409041][ T303] rb_buffer_peek+0x60/0x7a0
[ 35.414253][ T303] ring_buffer_consume+0x1aa/0x370
[ 35.419383][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 35.425030][ T303] ? print_trace_line+0x385/0x690
[ 35.430064][ T303] tracing_read_pipe+0x599/0xab0
[ 35.435022][ T303] ? s_show+0x320/0x320
[ 35.439183][ T303] vfs_read+0x28c/0xc20
[ 35.443345][ T303] ? kernel_read+0x1f0/0x1f0
[ 35.447929][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 35.453120][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 35.458402][ T303] ? ptrace_stop+0x6d8/0xa70
[ 35.462990][ T303] ? __kasan_check_read+0x11/0x20
[ 35.468013][ T303] ? __fdget_pos+0x2d9/0x380
[ 35.472599][ T303] ksys_read+0x14a/0x260
[ 35.476841][ T303] ? vfs_write+0xfd0/0xfd0
[ 35.481256][ T303] ? __kasan_check_write+0x14/0x20
[ 35.486540][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 35.491649][ T303] __x64_sys_read+0x7b/0x90
[ 35.496150][ T303] x64_sys_call+0x96d/0x9a0
[ 35.500651][ T303] do_syscall_64+0x4c/0xa0
[ 35.505067][ T303] ? clear_bhb_loop+0x50/0xa0
[ 35.509848][ T303] ? clear_bhb_loop+0x50/0xa0
[ 35.514611][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 35.520507][ T303] RIP: 0033:0x7fd124a4bd79
[ 35.524921][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 35.544524][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 35.552935][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 35.560904][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 35.568965][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 35.577025][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 35.585095][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 35.593065][ T303]
[ 35.596080][ T303] ---[ end trace af7bd1961f3d5901 ]---
[ 35.601568][ T303] ------------[ cut here ]------------
[ 35.607012][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 35.617163][ T303] Modules linked in:
[ 35.621137][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 35.630934][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 35.640984][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 35.646796][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 35.666494][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010002
[ 35.672565][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 35.680534][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 35.688628][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 35.696603][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410075
[ 35.704580][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 35.712557][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 35.721505][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 35.728198][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 35.736175][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 35.744146][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 35.752230][ T303] Call Trace:
[ 35.755507][ T303]
[ 35.758438][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 35.764094][ T303] ? __kasan_check_write+0x14/0x20
[ 35.769209][ T303] ? _raw_spin_lock+0x94/0xf0
[ 35.773886][ T303] rb_advance_reader+0x2b/0x6b0
[ 35.778756][ T303] ring_buffer_consume+0x1e7/0x370
[ 35.783883][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 35.789607][ T303] ? print_trace_line+0x385/0x690
[ 35.794631][ T303] tracing_read_pipe+0x599/0xab0
[ 35.799563][ T303] ? s_show+0x320/0x320
[ 35.803716][ T303] vfs_read+0x28c/0xc20
[ 35.807880][ T303] ? kernel_read+0x1f0/0x1f0
[ 35.812462][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 35.817655][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 35.822941][ T303] ? ptrace_stop+0x6d8/0xa70
[ 35.827528][ T303] ? __kasan_check_read+0x11/0x20
[ 35.832551][ T303] ? __fdget_pos+0x2d9/0x380
[ 35.837315][ T303] ksys_read+0x14a/0x260
[ 35.841560][ T303] ? vfs_write+0xfd0/0xfd0
[ 35.846060][ T303] ? __kasan_check_write+0x14/0x20
[ 35.851259][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 35.856372][ T303] __x64_sys_read+0x7b/0x90
[ 35.860871][ T303] x64_sys_call+0x96d/0x9a0
[ 35.865374][ T303] do_syscall_64+0x4c/0xa0
[ 35.869871][ T303] ? clear_bhb_loop+0x50/0xa0
[ 35.874546][ T303] ? clear_bhb_loop+0x50/0xa0
[ 35.879221][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 35.885124][ T303] RIP: 0033:0x7fd124a4bd79
[ 35.889537][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 35.909228][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 35.917643][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 35.925618][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 35.934022][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 35.941994][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 35.949960][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 35.958024][ T303]
[ 35.961058][ T303] ---[ end trace af7bd1961f3d5902 ]---
[ 35.967116][ T303] ------------[ cut here ]------------
[ 35.972583][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 35.982810][ T303] Modules linked in:
[ 35.986708][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 35.995820][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 36.006124][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 36.011925][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 36.031615][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010002
[ 36.037669][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 36.045623][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 36.053580][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 36.061804][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410079
[ 36.069848][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 36.077892][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 36.086814][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.093383][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 36.101430][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 36.109388][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 36.117341][ T303] Call Trace:
[ 36.120608][ T303]
[ 36.123530][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 36.129582][ T303] ? __kasan_check_write+0x14/0x20
[ 36.134694][ T303] ? _raw_spin_lock+0x94/0xf0
[ 36.139447][ T303] rb_buffer_peek+0x60/0x7a0
[ 36.144040][ T303] ring_buffer_peek+0x184/0x3b0
[ 36.148876][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 36.154498][ T303] ? preempt_schedule+0xbc/0xd0
[ 36.159356][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 36.164985][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 36.171227][ T303] __find_next_entry+0x34d/0x6b0
[ 36.176152][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 36.181507][ T303] ? trace_find_next_entry+0x370/0x370
[ 36.186949][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 36.192480][ T303] ? print_trace_line+0x385/0x690
[ 36.197490][ T303] tracing_read_pipe+0x3b8/0xab0
[ 36.202413][ T303] ? s_show+0x320/0x320
[ 36.206549][ T303] vfs_read+0x28c/0xc20
[ 36.210685][ T303] ? kernel_read+0x1f0/0x1f0
[ 36.215260][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 36.220471][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 36.225761][ T303] ? ptrace_stop+0x6d8/0xa70
[ 36.230353][ T303] ? __kasan_check_read+0x11/0x20
[ 36.235373][ T303] ? __fdget_pos+0x2d9/0x380
[ 36.240131][ T303] ksys_read+0x14a/0x260
[ 36.244388][ T303] ? vfs_write+0xfd0/0xfd0
[ 36.248799][ T303] ? __kasan_check_write+0x14/0x20
[ 36.253988][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 36.259088][ T303] __x64_sys_read+0x7b/0x90
[ 36.263576][ T303] x64_sys_call+0x96d/0x9a0
[ 36.268063][ T303] do_syscall_64+0x4c/0xa0
[ 36.272464][ T303] ? clear_bhb_loop+0x50/0xa0
[ 36.277124][ T303] ? clear_bhb_loop+0x50/0xa0
[ 36.281786][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 36.287662][ T303] RIP: 0033:0x7fd124a4bd79
[ 36.292067][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 36.311742][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 36.320139][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 36.328097][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 36.336053][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 36.344021][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 36.351982][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 36.359940][ T303]
[ 36.362951][ T303] ---[ end trace af7bd1961f3d5903 ]---
[ 36.368640][ T303] ------------[ cut here ]------------
[ 36.374182][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 36.384327][ T303] Modules linked in:
[ 36.388209][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 36.397299][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 36.407350][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 36.413168][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 36.432761][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010006
[ 36.438841][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 36.446811][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 36.454794][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 36.462755][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410079
[ 36.470716][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 36.478695][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 36.487649][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.494334][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 36.502313][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 36.510285][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 36.518258][ T303] Call Trace:
[ 36.521540][ T303]
[ 36.524472][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 36.530197][ T303] ? __kasan_check_write+0x14/0x20
[ 36.535309][ T303] ? _raw_spin_lock+0x94/0xf0
[ 36.539985][ T303] rb_buffer_peek+0x60/0x7a0
[ 36.544576][ T303] ring_buffer_consume+0x1aa/0x370
[ 36.549689][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 36.555245][ T303] ? print_trace_line+0x385/0x690
[ 36.560269][ T303] tracing_read_pipe+0x599/0xab0
[ 36.565206][ T303] ? s_show+0x320/0x320
[ 36.569461][ T303] vfs_read+0x28c/0xc20
[ 36.573699][ T303] ? kernel_read+0x1f0/0x1f0
[ 36.578378][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 36.583569][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 36.588855][ T303] ? ptrace_stop+0x6d8/0xa70
[ 36.593441][ T303] ? __kasan_check_read+0x11/0x20
[ 36.598464][ T303] ? __fdget_pos+0x2d9/0x380
[ 36.603051][ T303] ksys_read+0x14a/0x260
[ 36.607292][ T303] ? vfs_write+0xfd0/0xfd0
[ 36.611709][ T303] ? __kasan_check_write+0x14/0x20
[ 36.616815][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 36.621928][ T303] __x64_sys_read+0x7b/0x90
[ 36.626430][ T303] x64_sys_call+0x96d/0x9a0
[ 36.630931][ T303] do_syscall_64+0x4c/0xa0
[ 36.635345][ T303] ? clear_bhb_loop+0x50/0xa0
[ 36.640050][ T303] ? clear_bhb_loop+0x50/0xa0
[ 36.644721][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 36.650792][ T303] RIP: 0033:0x7fd124a4bd79
[ 36.655202][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 36.674898][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 36.683323][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 36.691388][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 36.699368][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 36.707337][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 36.715405][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 36.723376][ T303]
[ 36.726394][ T303] ---[ end trace af7bd1961f3d5904 ]---
[ 36.731886][ T303] ------------[ cut here ]------------
[ 36.737333][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 36.747491][ T303] Modules linked in:
[ 36.751400][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 36.760517][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 36.770572][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 36.776390][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 36.796168][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 36.802322][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 36.810472][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 36.818524][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 36.826500][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000041410079
[ 36.834468][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 36.842437][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 36.851375][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 36.857959][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 36.866116][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 36.874088][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 36.882064][ T303] Call Trace:
[ 36.885447][ T303]
[ 36.888387][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 36.894027][ T303] ? __kasan_check_write+0x14/0x20
[ 36.899139][ T303] ? _raw_spin_lock+0x94/0xf0
[ 36.903994][ T303] rb_advance_reader+0x2b/0x6b0
[ 36.908843][ T303] ring_buffer_consume+0x1e7/0x370
[ 36.913951][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 36.919495][ T303] ? print_trace_line+0x385/0x690
[ 36.924517][ T303] tracing_read_pipe+0x599/0xab0
[ 36.929538][ T303] ? s_show+0x320/0x320
[ 36.933689][ T303] vfs_read+0x28c/0xc20
[ 36.937846][ T303] ? kernel_read+0x1f0/0x1f0
[ 36.942441][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 36.947639][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 36.953206][ T303] ? ptrace_stop+0x6d8/0xa70
[ 36.957827][ T303] ? __kasan_check_read+0x11/0x20
[ 36.962847][ T303] ? __fdget_pos+0x2d9/0x380
[ 36.967435][ T303] ksys_read+0x14a/0x260
[ 36.971676][ T303] ? vfs_write+0xfd0/0xfd0
[ 36.976090][ T303] ? __kasan_check_write+0x14/0x20
[ 36.981197][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 36.986307][ T303] __x64_sys_read+0x7b/0x90
[ 36.990806][ T303] x64_sys_call+0x96d/0x9a0
[ 36.995312][ T303] do_syscall_64+0x4c/0xa0
[ 36.999810][ T303] ? clear_bhb_loop+0x50/0xa0
[ 37.004485][ T303] ? clear_bhb_loop+0x50/0xa0
[ 37.009157][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 37.015045][ T303] RIP: 0033:0x7fd124a4bd79
[ 37.019457][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 37.039236][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 37.047655][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 37.055622][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 37.063685][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 37.071656][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 37.079628][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 37.087637][ T303]
[ 37.090657][ T303] ---[ end trace af7bd1961f3d5905 ]---
[ 37.096528][ T303] ------------[ cut here ]------------
[ 37.102000][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 37.112161][ T303] Modules linked in:
[ 37.116053][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 37.125155][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 37.135205][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 37.141013][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 37.160616][ T303] RSP: 0018:ffffc900009977e0 EFLAGS: 00010002
[ 37.166683][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 37.174653][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 37.182707][ T303] RBP: ffffc90000997958 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 37.190675][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141007d
[ 37.198646][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 37.206615][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 37.215539][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 37.222118][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 37.230177][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 37.238141][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 37.246134][ T303] Call Trace:
[ 37.249422][ T303]
[ 37.252356][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 37.257987][ T303] ? __kasan_check_write+0x14/0x20
[ 37.263095][ T303] ? _raw_spin_lock+0x94/0xf0
[ 37.267788][ T303] rb_buffer_peek+0x60/0x7a0
[ 37.272374][ T303] ring_buffer_peek+0x184/0x3b0
[ 37.277224][ T303] ? ring_buffer_iter_empty+0x370/0x370
[ 37.282765][ T303] ? preempt_schedule+0xbc/0xd0
[ 37.287612][ T303] ? schedule_preempt_disabled+0x20/0x20
[ 37.293249][ T303] ? asm_sysvec_apic_timer_interrupt+0x1b/0x20
[ 37.299408][ T303] __find_next_entry+0x34d/0x6b0
[ 37.304357][ T303] ? preempt_schedule_thunk+0x16/0x18
[ 37.309727][ T303] ? trace_find_next_entry+0x370/0x370
[ 37.315185][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 37.320734][ T303] ? print_trace_line+0x385/0x690
[ 37.325768][ T303] tracing_read_pipe+0x3b8/0xab0
[ 37.330703][ T303] ? s_show+0x320/0x320
[ 37.334858][ T303] vfs_read+0x28c/0xc20
[ 37.339007][ T303] ? kernel_read+0x1f0/0x1f0
[ 37.343593][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 37.348784][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 37.354070][ T303] ? ptrace_stop+0x6d8/0xa70
[ 37.358661][ T303] ? __kasan_check_read+0x11/0x20
[ 37.363683][ T303] ? __fdget_pos+0x2d9/0x380
[ 37.368275][ T303] ksys_read+0x14a/0x260
[ 37.372522][ T303] ? vfs_write+0xfd0/0xfd0
[ 37.376931][ T303] ? __kasan_check_write+0x14/0x20
[ 37.382127][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 37.387238][ T303] __x64_sys_read+0x7b/0x90
[ 37.391740][ T303] x64_sys_call+0x96d/0x9a0
[ 37.396241][ T303] do_syscall_64+0x4c/0xa0
[ 37.400660][ T303] ? clear_bhb_loop+0x50/0xa0
[ 37.405334][ T303] ? clear_bhb_loop+0x50/0xa0
[ 37.410009][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 37.415901][ T303] RIP: 0033:0x7fd124a4bd79
[ 37.420400][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 37.440089][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 37.448507][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 37.456485][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 37.464459][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 37.472440][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 37.480413][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 37.488386][ T303]
[ 37.491403][ T303] ---[ end trace af7bd1961f3d5906 ]---
[ 37.497293][ T303] ------------[ cut here ]------------
[ 37.502781][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 37.512942][ T303] Modules linked in:
[ 37.516835][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 37.525952][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 37.536090][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 37.541899][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 37.561863][ T303] RSP: 0018:ffffc90000997920 EFLAGS: 00010002
[ 37.567930][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 37.575900][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 37.583870][ T303] RBP: ffffc90000997a98 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 37.591923][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141007d
[ 37.599898][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000
[ 37.607883][ T303] FS: 0000555594df33c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 37.616910][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 37.623504][ T303] CR2: 0000200000001000 CR3: 00000001251cb000 CR4: 00000000003506a0
[ 37.631483][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 37.639472][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 37.647454][ T303] Call Trace:
[ 37.650736][ T303]
[ 37.653673][ T303] ? ring_buffer_read_page+0x1210/0x1210
[ 37.659309][ T303] ? __kasan_check_write+0x14/0x20
[ 37.664422][ T303] ? _raw_spin_lock+0x94/0xf0
[ 37.669101][ T303] rb_buffer_peek+0x60/0x7a0
[ 37.673692][ T303] ring_buffer_consume+0x1aa/0x370
[ 37.678802][ T303] ? ring_buffer_iter_dropped+0x60/0x60
[ 37.684440][ T303] ? print_trace_line+0x385/0x690
[ 37.689463][ T303] tracing_read_pipe+0x599/0xab0
[ 37.694403][ T303] ? s_show+0x320/0x320
[ 37.698560][ T303] vfs_read+0x28c/0xc20
[ 37.702714][ T303] ? kernel_read+0x1f0/0x1f0
[ 37.707305][ T303] ? _raw_spin_unlock_irq+0x4e/0x70
[ 37.712500][ T303] ? cgroup_leave_frozen+0x165/0x2a0
[ 37.717804][ T303] ? ptrace_stop+0x6d8/0xa70
[ 37.722399][ T303] ? __kasan_check_read+0x11/0x20
[ 37.727422][ T303] ? __fdget_pos+0x2d9/0x380
[ 37.732009][ T303] ksys_read+0x14a/0x260
[ 37.736425][ T303] ? vfs_write+0xfd0/0xfd0
[ 37.740839][ T303] ? __kasan_check_write+0x14/0x20
[ 37.745947][ T303] ? switch_fpu_return+0x15d/0x2c0
[ 37.751057][ T303] __x64_sys_read+0x7b/0x90
[ 37.755558][ T303] x64_sys_call+0x96d/0x9a0
[ 37.760057][ T303] do_syscall_64+0x4c/0xa0
[ 37.764476][ T303] ? clear_bhb_loop+0x50/0xa0
[ 37.769151][ T303] ? clear_bhb_loop+0x50/0xa0
[ 37.773827][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 37.779723][ T303] RIP: 0033:0x7fd124a4bd79
[ 37.784228][ T303] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 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 d8 ff ff ff f7 d8 64 89 01 48
[ 37.803939][ T303] RSP: 002b:00007ffe1462b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 37.812438][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd124a4bd79
[ 37.820409][ T303] RDX: 0000000000002000 RSI: 0000200000004000 RDI: 0000000000000005
[ 37.828374][ T303] RBP: 0065636172742f2e R08: 00000000000a8c88 R09: 00000000000a8c88
[ 37.836340][ T303] R10: 00000000000a8c88 R11: 0000000000000246 R12: 00007ffe1462b578
[ 37.844309][ T303] R13: 0000000000000002 R14: 00007fd124adcca0 R15: 0000000000000002
[ 37.852306][ T303]
[ 37.855414][ T303] ---[ end trace af7bd1961f3d5907 ]---
[ 37.860907][ T303] ------------[ cut here ]------------
[ 37.866357][ T303] WARNING: CPU: 1 PID: 303 at kernel/trace/ring_buffer.c:4527 rb_get_reader_page+0xa68/0xc00
[ 37.876771][ T303] Modules linked in:
[ 37.880657][ T303] CPU: 1 PID: 303 Comm: syz-executor303 Tainted: G B W syzkaller #0
[ 37.889949][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[ 37.900019][ T303] RIP: 0010:rb_get_reader_page+0xa68/0xc00
[ 37.906060][ T303] Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 dd 2e 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 cc 30 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
[ 37.925957][ T303] RSP: 0018:ffffc90000997940 EFLAGS: 00010006
[ 37.932029][ T303] RAX: 1ffff11020031901 RBX: ffff888100052600 RCX: ffffffff816bf784
[ 37.940004][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608
[ 37.947972][ T303] RBP: ffffc90000997aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1
[ 37.956145][ T303] R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000004141007d
[ 37.964235][ T303] R13: 1ffff11020070543 R14: 1ffff11020070546 R15: dffffc0000000000