RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f683f ]--- ================================================================== BUG: KASAN: slab-out-of-bounds in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4747 Read of size 4 at addr ffff88810010b0b1 by task syz.3.1054/3563 CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x10f/0x150 mm/kasan/report.c:444 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4747 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 Allocated by task 0: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3245 [inline] slab_alloc mm/slub.c:3255 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260 __trace_define_field kernel/trace/trace_events.c:121 [inline] trace_define_field kernel/trace/trace_events.c:152 [inline] event_define_fields+0x2a4/0x6b0 kernel/trace/trace_events.c:2511 __trace_early_add_new_event kernel/trace/trace_events.c:2963 [inline] __trace_early_add_events+0xad/0x1f0 kernel/trace/trace_events.c:3640 event_trace_enable+0x37b/0x3c0 kernel/trace/trace_events.c:3883 trace_event_init+0x13/0x20 kernel/trace/trace_events.c:3967 trace_init+0xe/0x10 kernel/trace/trace.c:10300 start_kernel+0x204/0x4e0 init/main.c:1047 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:527 x86_64_start_kernel+0x5b/0x60 arch/x86/kernel/head64.c:508 secondary_startup_64_no_verify+0xb1/0xbb The buggy address belongs to the object at ffff88810010b080 which belongs to the cache ftrace_event_field of size 48 The buggy address is located 1 bytes to the right of 48-byte region [ffff88810010b080, ffff88810010b0b0) The buggy address belongs to the page: page:ffffea00040042c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10010b flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff88810004d200 raw: 0000000000000000 0000000000400040 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x0(), pid 1, ts 1228200443, free_ts 0 create_dummy_stack mm/page_owner.c:60 [inline] register_early_stack+0x95/0xf0 mm/page_owner.c:76 init_page_owner+0x32/0x830 mm/page_owner.c:86 invoke_init_callbacks mm/page_ext.c:116 [inline] page_ext_init+0x371/0x3a0 mm/page_ext.c:510 kernel_init_freeable+0x293/0x3d0 init/main.c:1629 page_owner free stack trace missing Memory state around the buggy address: ffff88810010af80: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc ffff88810010b000: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc >ffff88810010b080: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc ^ ffff88810010b100: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc ffff88810010b180: 00 00 00 00 00 00 fc fc 00 00 00 00 00 00 fc fc ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/trace.c:2447 __trace_find_cmdline kernel/trace/trace.c:2447 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/trace.c:2447 trace_find_cmdline+0x2e3/0x350 kernel/trace/trace.c:2469 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:__trace_find_cmdline kernel/trace/trace.c:2447 [inline] RIP: 0010:trace_find_cmdline+0x2e3/0x350 kernel/trace/trace.c:2469 Code: 44 89 7c 24 40 48 c7 c7 80 65 0f 87 44 89 fe e8 a3 fa 00 00 e9 0d fe ff ff e8 29 45 fd ff e8 b8 f6 93 ff eb a5 e8 1d 45 fd ff <0f> 0b ba 06 00 00 00 48 8b 7c 24 10 48 c7 c6 e0 38 46 85 e9 26 ff RSP: 0018:ffffc900024779a0 EFLAGS: 00010246 RAX: ffffffff816c8283 RBX: ffff888128ce4000 RCX: 0000000000080000 RDX: ffffc9000acd2000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc90002477a50 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff5200048ef3c R12: dffffc0000000000 R13: 1ffff9200048ef38 R14: 00000000a8000000 R15: 0000000000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_print_context+0xf9/0x4d0 kernel/trace/trace_output.c:617 print_trace_fmt+0x3c6/0x710 kernel/trace/trace.c:4377 print_trace_line+0x385/0x690 kernel/trace/trace.c:4549 tracing_read_pipe+0x4fd/0xab0 kernel/trace/trace.c:6825 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6840 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000000a00a1 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6841 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000000a00a1 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6842 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc900024777e0 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477958 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0a5 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6843 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0a5 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6844 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0a5 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6845 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc900024777e0 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477958 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0a9 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200001000000 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6846 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0a9 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6847 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0a9 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6848 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc900024777e0 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477958 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0ad R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6849 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0ad R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f684a ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0ad R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f684b ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc900024777e0 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477958 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b1 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f684c ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b1 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f684d ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b1 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f684e ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc900024777e0 EFLAGS: 00010012 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477958 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b5 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f684f ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b5 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6850 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b5 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6851 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc900024777e0 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477958 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b9 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6852 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b9 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6853 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 0 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 0 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0b9 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d6d4d9e80 CR3: 0000000136c19000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6854 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc900024777e0 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477958 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0bd R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_peek+0x184/0x3b0 kernel/trace/ring_buffer.c:4941 peek_next_entry kernel/trace/trace.c:3571 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3615 trace_find_next_entry_inc kernel/trace/trace.c:3996 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6821 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6855 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477920 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477a98 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0bd R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4741 ring_buffer_consume+0x1aa/0x370 kernel/trace/ring_buffer.c:5021 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000008 RBP: 00007f40d906506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f40d9256038 R14: 00007f40d9255fa0 R15: 00007fff68fff8a8 ---[ end trace 63e6c957981f6856 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 atomic_inc include/linux/atomic/atomic-instrumented.h:182 [inline] WARNING: CPU: 1 PID: 3563 at kernel/trace/ring_buffer.c:4528 rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Modules linked in: CPU: 1 PID: 3563 Comm: syz.3.1054 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa68/0xc00 kernel/trace/ring_buffer.c:4527 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 2d 33 3d 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 1c 35 3d 00 f0 ff 43 08 <0f> 0b 4c 8b 64 24 38 4d 85 e4 74 3d 43 0f b6 44 3d 00 84 c0 0f 85 RSP: 0018:ffffc90002477940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff816c0a84 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90002477aa8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000000c7c0bd R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f40d7a276c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000f6d030 CR3: 0000000136c19000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4669 ring_buffer_consume+0x1e7/0x370 kernel/trace/ring_buffer.c:5024 trace_consume kernel/trace/trace.c:4007 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6845 vfs_read+0x28c/0xc20 fs/read_write.c:483 ksys_read+0x14a/0x260 fs/read_write.c:623 __do_sys_read fs/read_write.c:633 [inline] __se_sys_read fs/read_write.c:631 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:631 x64_sys_call+0x96d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f40d8fce159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f40d7a27028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f40d9255fa0 RCX: 00007f40d8fce159