RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0101 ]--- ================================================================== BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4568 Read of size 4 at addr ffff8881666cb06d by task syz.7.1820/7576 CPU: 0 PID: 7576 Comm: syz.7.1820 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: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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 The buggy address belongs to the page: page:ffffea000599b2c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x1666cb flags: 0x4000000000000000() raw: 4000000000000000 ffffea000599ba08 ffffea000599b308 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 0, migratetype Movable, gfp_mask 0x100cca(GFP_HIGHUSER_MOVABLE), pid 7155, ts 235239251500, free_ts 235968633864 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_pages include/linux/gfp.h:544 [inline] __alloc_pages_node include/linux/gfp.h:557 [inline] alloc_pages_node include/linux/gfp.h:571 [inline] alloc_pages include/linux/gfp.h:590 [inline] shmem_alloc_page+0x1fd/0x380 mm/shmem.c:1580 shmem_alloc_and_acct_page+0x3d3/0x840 mm/shmem.c:1605 shmem_getpage_gfp+0x785/0x20f0 mm/shmem.c:1918 shmem_getpage mm/shmem.c:161 [inline] shmem_write_begin+0xce/0x1b0 mm/shmem.c:2497 generic_perform_write+0x2ce/0x540 mm/filemap.c:3509 __generic_file_write_iter+0x24b/0x480 mm/filemap.c:3638 generic_file_write_iter+0xa9/0x1d0 mm/filemap.c:3670 call_write_iter include/linux/fs.h:2072 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x770/0xd70 fs/read_write.c:605 ksys_write+0x14a/0x260 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 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_list+0x129/0x9c0 mm/page_alloc.c:3443 release_pages+0xe41/0xe90 mm/swap.c:1103 __pagevec_release+0x71/0xe0 mm/swap.c:1123 pagevec_release include/linux/pagevec.h:88 [inline] shmem_undo_range+0x741/0x1740 mm/shmem.c:965 shmem_truncate_range mm/shmem.c:1069 [inline] shmem_evict_inode+0x1dc/0x970 mm/shmem.c:1169 evict+0x4a9/0x940 fs/inode.c:612 iput_final fs/inode.c:1736 [inline] iput+0x654/0x7e0 fs/inode.c:1762 dentry_unlink_inode+0x2d5/0x390 fs/dcache.c:378 __dentry_kill+0x45b/0x660 fs/dcache.c:583 dentry_kill+0xc0/0x2a0 fs/dcache.c:-1 dput+0x42/0x80 fs/dcache.c:883 __fput+0x4bd/0x730 fs/file_table.c:294 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop+0xcb/0xe0 kernel/entry/common.c:172 Memory state around the buggy address: ffff8881666caf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8881666caf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff8881666cb000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff8881666cb080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8881666cb100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000006666005d R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5cfa840 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0102 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000006666005d R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5cfa840 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0103 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660061 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe5d849e80 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0104 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660061 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a7cfc41e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0105 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660061 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a7cfc41e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0106 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660065 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe9948aff0 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0107 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660065 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5efe2f8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0108 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660065 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5efe2f8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0109 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660069 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5efe2f8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb010a ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660069 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5efe2f8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb010b ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660069 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5efe2f8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb010c ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000006666006d R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f62b5efe2f8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb010d ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000006666006d R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb010e ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000006666006d R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb010f ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010012 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660071 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0110 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660071 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0111 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660071 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0112 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660075 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0113 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660075 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0114 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660075 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0115 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660079 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0116 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7940 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660079 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0117 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7960 EFLAGS: 00010006 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000066660079 R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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: 0033:0x7f4c6fa42159 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:00007f4c6e49b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f4c6fcc9fa0 RCX: 00007f4c6fa42159 RDX: 0000000000001000 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f4c6fad9024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c6fcca038 R14: 00007f4c6fcc9fa0 R15: 00007ffeb47c75c8 ---[ end trace 5a0fa08533fb0118 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 7576 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 7576 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: 7576 Comm: syz.7.1820 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:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 2a 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 2c 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 79 af fd ff e9 45 fe ff ff e8 6f RSP: 0018:ffffc90000dd7800 EFLAGS: 00010002 RAX: 1ffff1102000aa01 RBX: ffff888100052600 RCX: ffffffff81670524 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000dd7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000006666007d R13: 1ffff1102000a123 R14: 1ffff1102000a126 R15: dffffc0000000000 FS: 00007f4c6e49b6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555764d94e8 CR3: 000000011e194000 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