RSP: 002b:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d031 ]--- ================================================================== BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4568 Read of size 4 at addr ffff8881de2df091 by task syz.3.8692/27485 CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4568 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4762 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 The buggy address belongs to the page: page:ffffea000778b7c0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1de2df flags: 0x4000000000000000() raw: 4000000000000000 ffffea000778b7c8 ffffea000778b7c8 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner info is not present (never set?) Memory state around the buggy address: ffff8881de2def80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8881de2df000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff8881de2df080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff8881de2df100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff8881de2df180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000081 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdb4c58bff8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d032 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000081 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdb4c58bff8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d033 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000085 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5190b5078 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d034 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000085 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000bd038 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d035 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000085 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000bd038 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d036 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000089 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb516d32ff8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d037 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000089 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555ae9f948 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d038 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000089 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555ae9f948 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d039 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de00008d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5182e5fc0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d03a ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de00008d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5182e5fc0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d03b ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de00008d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5182e5fc0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d03c ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000091 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d1d1d2f8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d03d ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000091 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d1d1d2f8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d03e ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000091 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d1d1d2f8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d03f ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010012 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000095 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d1d1d2f8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d040 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000095 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d1d1d2f8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d041 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000095 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d1d1d2f8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d042 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000099 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc9d1d1d2f8 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d043 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000099 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d044 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de000099 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d045 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de00009d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d046 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de00009d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d047 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de00009d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d048 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de0000a1 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d049 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7940 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de0000a1 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d04a ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 27485 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: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7960 EFLAGS: 00010006 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de0000a1 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: 0033:0x7f93c2d97159 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:00007f93c17f0028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f93c301efa0 RCX: 00007f93c2d97159 RDX: 0000000000004000 RSI: 00002000000091c0 RDI: 0000000000000004 RBP: 00007f93c2e2e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f93c301f038 R14: 00007f93c301efa0 R15: 00007ffcbbb299d8 ---[ end trace 096025244161d04b ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 27485 at kernel/trace/ring_buffer.c:4349 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Modules linked in: CPU: 1 PID: 27485 Comm: syz.3.8692 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4348 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 1d 32 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 0c 34 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 a9 af fd ff e9 45 fe ff ff e8 9f RSP: 0018:ffffc900019a7800 EFLAGS: 00010002 RAX: 1ffff11020030501 RBX: ffff888100052600 RCX: ffffffff81670594 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc900019a7978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 00000000de0000a5 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f93c17f06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561889527ff0 CR3: 0000000125fd6000 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: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