RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06cc ]--- ================================================================== BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4567 Read of size 4 at addr ffff88812499f06d by task syz.2.1302/5098 CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 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:4567 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 Allocated by task 2328: 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 user_path_at_empty+0x2f/0x50 fs/namei.c:2748 user_path_at include/linux/namei.h:60 [inline] vfs_statx+0x10a/0x530 fs/stat.c:193 vfs_fstatat fs/stat.c:215 [inline] __do_sys_newfstatat fs/stat.c:383 [inline] __se_sys_newfstatat+0x10e/0x3d0 fs/stat.c:377 __x64_sys_newfstatat+0x9b/0xb0 fs/stat.c:377 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 2328: 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] filename_lookup+0x476/0x660 fs/namei.c:2478 user_path_at_empty+0x43/0x50 fs/namei.c:2748 user_path_at include/linux/namei.h:60 [inline] vfs_statx+0x10a/0x530 fs/stat.c:193 vfs_fstatat fs/stat.c:215 [inline] __do_sys_newfstatat fs/stat.c:383 [inline] __se_sys_newfstatat+0x10e/0x3d0 fs/stat.c:377 __x64_sys_newfstatat+0x9b/0xb0 fs/stat.c:377 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 ffff88812499e600 which belongs to the cache names_cache of size 4096 The buggy address is located 2669 bytes inside of 4096-byte region [ffff88812499e600, ffff88812499f600) The buggy address belongs to the page: page:ffffea0004926600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x124998 head:ffffea0004926600 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 dead000000000100 dead000000000122 ffff88810018bc80 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 2329, ts 197069002725, free_ts 197061990664 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+0x19/0x20 fs/namei.c:212 do_sys_openat2+0xde/0x750 fs/open.c:1213 do_sys_open fs/open.c:1235 [inline] __do_sys_openat fs/open.c:1251 [inline] __se_sys_openat fs/open.c:1246 [inline] __x64_sys_openat+0x136/0x160 fs/open.c:1246 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_pages_ok+0x80b/0x830 mm/page_alloc.c:1629 free_the_page mm/page_alloc.c:5445 [inline] __free_pages+0xd8/0x390 mm/page_alloc.c:5454 __free_slab+0xcf/0x190 mm/slub.c:1899 free_slab mm/slub.c:1914 [inline] discard_slab mm/slub.c:1920 [inline] unfreeze_partials+0x150/0x180 mm/slub.c:2415 put_cpu_partial+0xc1/0x180 mm/slub.c:2451 __slab_free+0x2c9/0x3a0 mm/slub.c:3100 do_slab_free mm/slub.c:3196 [inline] ___cache_free+0x10e/0x130 mm/slub.c:3215 qlink_free+0x50/0x90 mm/kasan/quarantine.c:157 qlist_free_all+0x5f/0xb0 mm/kasan/quarantine.c:176 kasan_quarantine_reduce+0x14a/0x160 mm/kasan/quarantine.c:283 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:440 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 shmem_alloc_inode+0x1a/0x30 mm/shmem.c:3816 alloc_inode fs/inode.c:233 [inline] new_inode_pseudo+0x62/0x210 fs/inode.c:968 new_inode+0x28/0x1e0 fs/inode.c:997 Memory state around the buggy address: ffff88812499ef00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812499ef80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88812499f000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88812499f080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88812499f100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c005d R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31124220 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06cd ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c005d R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31124220 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06ce ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0061 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007feaa89bcfd0 CR3: 00000001283d2000 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:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06cf ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0061 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d9fd000 CR3: 00000001283d2000 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:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d0 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0061 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d9fd000 CR3: 00000001283d2000 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:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d1 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0065 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d8f1000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d2 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0065 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d9fb000 CR3: 00000001283d2000 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:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d3 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0065 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d9fb000 CR3: 00000001283d2000 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:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d4 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0069 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d836000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d5 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0069 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d836000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d6 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0069 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d836000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d7 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c006d R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d836000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d8 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c006d R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555561e794e8 CR3: 00000001283d2000 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:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06d9 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c006d R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555561e794e8 CR3: 00000001283d2000 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:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06da ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010012 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0071 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d9de000 CR3: 00000001283d2000 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:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06db ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0071 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d6c2000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06dc ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0071 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d6c2000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06dd ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0075 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d933000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06de ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0075 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d83a000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06df ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0075 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d83a000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06e0 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0079 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d880000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06e1 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0079 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d6c4000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06e2 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37960 EFLAGS: 00010006 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c0079 R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d6c4000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06e3 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37800 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c007d R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d886000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 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: 0033:0x7fb3512520d9 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:00007fb34fc8a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007fb3514da090 RCX: 00007fb3512520d9 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb3512e9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3514da128 R14: 00007fb3514da090 R15: 00007ffdd112b538 ---[ end trace 0334f60ea9fc06e4 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 5098 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 5098 Comm: syz.2.1302 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000e37940 EFLAGS: 00010002 RAX: 1ffff11020030301 RBX: ffff888100052600 RCX: ffffffff8166f344 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000e37ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000246c007d R13: 1ffff11020057d43 R14: 1ffff11020057d46 R15: dffffc0000000000 FS: 00007fb34fc8a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a3d880000 CR3: 00000001283d2000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 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