RSP: 002b:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70a8 ]--- ================================================================== BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4568 Read of size 4 at addr ffff88811e2df071 by task syz.5.11494/4582 CPU: 0 PID: 4582 Comm: syz.5.11494 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 Allocated by task 3924: 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_slab_alloc+0xb7/0xe0 mm/kasan/common.c:463 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x15a/0x2d0 mm/slub.c:2965 getname_flags+0xba/0x510 fs/namei.c:141 getname fs/namei.c:212 [inline] __do_sys_unlink fs/namei.c:4132 [inline] __se_sys_unlink fs/namei.c:4130 [inline] __x64_sys_unlink+0x3c/0x50 fs/namei.c:4130 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 3924: 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] kmem_cache_free+0x100/0x2d0 mm/slub.c:3224 putname fs/namei.c:262 [inline] do_unlinkat+0x5e1/0x670 fs/namei.c:4107 __do_sys_unlink fs/namei.c:4132 [inline] __se_sys_unlink fs/namei.c:4130 [inline] __x64_sys_unlink+0x49/0x50 fs/namei.c:4130 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff88811e2de600 which belongs to the cache names_cache of size 4096 The buggy address is located 2673 bytes inside of 4096-byte region [ffff88811e2de600, ffff88811e2df600) The buggy address belongs to the page: page:ffffea000478b600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11e2d8 head:ffffea000478b600 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 dead000000000100 dead000000000122 ffff88810018a180 raw: 0000000000000000 0000000000070007 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 3924, ts 2493214694423, free_ts 2492779803713 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] kmem_cache_alloc+0x1a4/0x2d0 mm/slub.c:2965 getname_flags+0xba/0x510 fs/namei.c:141 getname fs/namei.c:212 [inline] __do_sys_unlink fs/namei.c:4132 [inline] __se_sys_unlink fs/namei.c:4130 [inline] __x64_sys_unlink+0x3c/0x50 fs/namei.c:4130 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb 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 __vunmap+0x801/0x980 mm/vmalloc.c:2307 __vfree mm/vmalloc.c:2356 [inline] vfree+0x61/0x90 mm/vmalloc.c:2387 kcov_put kernel/kcov.c:405 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:507 __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 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa7c/0x24e0 kernel/exit.c:879 do_group_exit+0x149/0x310 kernel/exit.c:993 get_signal+0xfb1/0x1300 kernel/signal.c:2806 arch_do_signal_or_restart+0xe7/0x11b0 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:172 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:202 syscall_exit_to_user_mode+0x1d/0x40 kernel/entry/common.c:277 do_syscall_64+0x3d/0x40 arch/x86/entry/common.c:56 Memory state around the buggy address: ffff88811e2def00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811e2def80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88811e2df000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811e2df080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811e2df100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff940 EFLAGS: 00010002 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ffab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000061 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70a9 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff960 EFLAGS: 00010006 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ffac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000061 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70aa ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff800 EFLAGS: 00010002 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ff978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000065 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70ab ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff940 EFLAGS: 00010006 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ffab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000065 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70ac ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff960 EFLAGS: 00010006 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ffac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000065 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70ad ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff800 EFLAGS: 00010002 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ff978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000069 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70ae ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff940 EFLAGS: 00010002 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ffab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000069 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70af ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff960 EFLAGS: 00010006 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ffac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e000069 R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70b0 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff800 EFLAGS: 00010006 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ff978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e00006d R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fc0413a3fa0 RCX: 00007fc04111c159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007fc0411b306b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc0413a4038 R14: 00007fc0413a3fa0 R15: 00007fff9e2683c8 ---[ end trace 55ea4bd08c2e70b1 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 4582 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 4582 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: 4582 Comm: syz.5.11494 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 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 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:ffffc900008ff940 EFLAGS: 00010002 RAX: 1ffff11020030701 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900008ffab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000001e00006d R13: 1ffff11020057db3 R14: 1ffff11020057db6 R15: dffffc0000000000 FS: 00007fc03fb756c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d5e04e8 CR3: 0000000113308000 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: 0033:0x7fc04111c159 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:00007fc03fb75028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000