RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add1 ]--- ================================================================== BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4568 Read of size 4 at addr ffff8881251b1471 by task syz.4.1389/5771 CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4568 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 Allocated by task 4762: 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:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x19f/0x330 mm/slub.c:4038 __kmalloc_node include/linux/slab.h:421 [inline] kmalloc_node include/linux/slab.h:578 [inline] kvmalloc_node+0x88/0x130 mm/util.c:612 kvmalloc include/linux/mm.h:833 [inline] kvmalloc_array include/linux/mm.h:851 [inline] alloc_fdtable+0xea/0x2a0 fs/file.c:150 dup_fd+0x7a2/0xab0 fs/file.c:360 copy_files+0xcf/0x170 kernel/fork.c:1541 copy_process+0x12d6/0x3320 kernel/fork.c:2256 kernel_clone+0x233/0x950 kernel/fork.c:2650 __do_sys_clone kernel/fork.c:2776 [inline] __se_sys_clone kernel/fork.c:2760 [inline] __x64_sys_clone+0x198/0x210 kernel/fork.c:2760 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 5145: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kfree+0xc0/0x270 mm/slub.c:4196 kvfree+0x35/0x40 mm/util.c:647 __free_fdtable fs/file.c:36 [inline] put_files_struct+0x275/0x310 fs/file.c:463 exit_files+0x80/0xa0 fs/file.c:488 do_exit+0xa45/0x24e0 kernel/exit.c:874 do_group_exit+0x149/0x310 kernel/exit.c:993 __do_sys_exit_group kernel/exit.c:1004 [inline] __se_sys_exit_group kernel/exit.c:1002 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1002 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Last potentially related work creation: kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 __call_rcu kernel/rcu/tree.c:2980 [inline] call_rcu+0x11a/0x1090 kernel/rcu/tree.c:3054 netlink_release+0x128f/0x16d0 net/netlink/af_netlink.c:795 __sock_release net/socket.c:597 [inline] sock_close+0xb8/0x200 net/socket.c:1287 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:274 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xcb Second to last potentially related work creation: kasan_save_stack+0x3a/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd2/0x100 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 kvfree_call_rcu+0x117/0x670 kernel/rcu/tree.c:3539 drop_sysctl_table+0x2f5/0x430 fs/proc/proc_sysctl.c:1684 unregister_sysctl_table+0x75/0x120 fs/proc/proc_sysctl.c:1722 unregister_net_sysctl_table+0x15/0x20 net/sysctl_net.c:127 __addrconf_sysctl_unregister net/ipv6/addrconf.c:7108 [inline] addrconf_sysctl_unregister net/ipv6/addrconf.c:7136 [inline] addrconf_ifdown+0x1597/0x1890 net/ipv6/addrconf.c:3946 addrconf_notify+0x3bd/0xea0 net/ipv6/addrconf.c:-1 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0x90/0x100 kernel/notifier.c:410 call_netdevice_notifiers_info net/core/dev.c:2052 [inline] call_netdevice_notifiers_extack net/core/dev.c:2064 [inline] call_netdevice_notifiers net/core/dev.c:2078 [inline] unregister_netdevice_many+0x100e/0x19f0 net/core/dev.c:10778 default_device_exit_batch+0x35e/0x3c0 net/core/dev.c:11298 ops_exit_list net/core/net_namespace.c:190 [inline] cleanup_net+0x5fe/0xb80 net/core/net_namespace.c:609 process_one_work+0x6fd/0xbc0 kernel/workqueue.c:2301 worker_thread+0xa8e/0x13c0 kernel/workqueue.c:2447 kthread+0x324/0x3b0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff8881251b1000 which belongs to the cache kmalloc-2k of size 2048 The buggy address is located 1137 bytes inside of 2048-byte region [ffff8881251b1000, ffff8881251b1800) The buggy address belongs to the page: page:ffffea0004946c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1251b0 head:ffffea0004946c00 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 0000000000000000 0000000400000001 ffff888100042d80 raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 468, ts 35261229649, free_ts 35015588340 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] __kmalloc+0x1f9/0x330 mm/slub.c:4034 kmalloc_array include/linux/slab.h:595 [inline] kcalloc include/linux/slab.h:606 [inline] veth_alloc_queues drivers/net/veth.c:1029 [inline] veth_dev_init+0x1bc/0x360 drivers/net/veth.c:1056 register_netdevice+0x328/0x13a0 net/core/dev.c:9997 veth_newlink+0x854/0xb60 drivers/net/veth.c:1387 __rtnl_newlink net/core/rtnetlink.c:3494 [inline] rtnl_newlink+0x1307/0x1830 net/core/rtnetlink.c:3542 rtnetlink_rcv_msg+0x9e9/0xca0 net/core/rtnetlink.c:5622 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2508 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5640 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x949/0xb70 net/netlink/af_netlink.c:1919 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] free_pcp_prepare mm/page_alloc.c:1421 [inline] free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336 free_unref_page mm/page_alloc.c:3391 [inline] free_the_page mm/page_alloc.c:5443 [inline] __free_pages+0x146/0x390 mm/page_alloc.c:5454 free_pages+0x82/0x90 mm/page_alloc.c:5465 kasan_depopulate_vmalloc_pte+0x6b/0x90 mm/kasan/shadow.c:354 apply_to_pte_range mm/memory.c:2504 [inline] apply_to_pmd_range mm/memory.c:2540 [inline] apply_to_pud_range mm/memory.c:2568 [inline] apply_to_p4d_range mm/memory.c:2596 [inline] __apply_to_page_range+0x790/0xa20 mm/memory.c:2623 apply_to_existing_page_range+0x38/0x50 mm/memory.c:2874 kasan_release_vmalloc+0x97/0xb0 mm/kasan/shadow.c:464 __purge_vmap_area_lazy+0x1326/0x1440 mm/vmalloc.c:1382 _vm_unmap_aliases+0x2ec/0x370 mm/vmalloc.c:1779 vm_unmap_aliases+0x19/0x20 mm/vmalloc.c:1802 change_page_attr_set_clr+0x317/0xc10 arch/x86/mm/pat/set_memory.c:1732 change_page_attr_clear arch/x86/mm/pat/set_memory.c:1789 [inline] set_memory_ro+0x89/0xd0 arch/x86/mm/pat/set_memory.c:1935 bpf_jit_binary_lock_ro include/linux/filter.h:846 [inline] bpf_int_jit_compile+0x8473/0x8930 arch/x86/net/bpf_jit_comp.c:2134 bpf_prog_select_runtime+0x722/0x9c0 kernel/bpf/core.c:1876 bpf_migrate_filter net/core/filter.c:1306 [inline] bpf_prepare_filter+0xfab/0x1150 net/core/filter.c:1354 bpf_prog_create_from_user+0x2c5/0x420 net/core/filter.c:1448 Memory state around the buggy address: ffff8881251b1300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881251b1380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8881251b1400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881251b1480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881251b1500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2461 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4221639d58 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add2 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2461 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4221639d58 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add3 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2465 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2e46eb CR3: 000000010dfad000 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:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add4 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2465 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42215d5ff8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add5 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2465 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42215d5ff8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add6 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2469 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42215d5ff8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add7 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2469 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42215d5ff8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add8 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2469 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42215d5ff8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69add9 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed246d R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42215d5ff8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69adda ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed246d R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69addb ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed246d R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69addc ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010012 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2471 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42215d5ff8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69addd ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2471 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69adde ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2471 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69addf ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2475 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade0 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2475 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade1 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2475 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade2 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2479 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade3 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2479 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade4 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2479 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade5 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed247d R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade6 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed247d R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade7 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 0 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f960 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed247d R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555773c1948 CR3: 000000010dfad000 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:4490 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4845 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade8 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f800 EFLAGS: 00010002 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201f978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2481 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557e4c84e8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159 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:00007fa18fe5b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fa191689fa0 RCX: 00007fa191402159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000003 RBP: 00007fa19149906b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa19168a038 R14: 00007fa191689fa0 R15: 00007ffdf5016048 ---[ end trace adb151d39c69ade9 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5771 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 5771 Comm: syz.4.1389 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 9d 30 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 8c 32 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc9000201f940 EFLAGS: 00010006 RAX: 1ffff11020030101 RBX: ffff888100052600 RCX: ffffffff816704f4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc9000201fab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000024ed2481 R13: 1ffff11020057c33 R14: 1ffff11020057c36 R15: dffffc0000000000 FS: 00007fa18fe5b6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055557e4c84e8 CR3: 000000010dfad000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4562 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4842 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fa191402159