RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b97 ]--- ================================================================== BUG: KASAN: use-after-free in rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4567 Read of size 4 at addr ffff88817352f06d by task syz.0.12669/6262 CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308 rb_buffer_peek+0x71a/0x7a0 kernel/trace/ring_buffer.c:4567 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 The buggy address belongs to the page: page:ffffea0005cd4bc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x17352f flags: 0x4000000000000000() raw: 4000000000000000 ffffea0005cd4c08 ffffea0005cd4b88 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 0x8100dca(GFP_HIGHUSER_MOVABLE|__GFP_ZERO|0x8000000), pid 31752, ts 1976065839481, free_ts 1976189953997 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] wp_page_copy+0x1e6/0x15a0 mm/memory.c:3166 do_wp_page+0x772/0xd00 mm/memory.c:-1 handle_pte_fault+0xbc3/0x3910 mm/memory.c:4819 __handle_mm_fault mm/memory.c:4953 [inline] handle_mm_fault+0xf86/0x1720 mm/memory.c:5367 do_user_addr_fault+0x576/0xe20 arch/x86/mm/fault.c:1343 handle_page_fault arch/x86/mm/fault.c:1436 [inline] exc_page_fault+0x5a/0xc0 arch/x86/mm/fault.c:1492 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571 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 free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:356 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu+0xdf/0x190 mm/mmu_gather.c:247 zap_pte_range mm/memory.c:1385 [inline] zap_pmd_range mm/memory.c:1435 [inline] zap_pud_range mm/memory.c:1464 [inline] zap_p4d_range mm/memory.c:1485 [inline] unmap_page_range+0x1d82/0x2190 mm/memory.c:1506 unmap_single_vma mm/memory.c:1551 [inline] unmap_vmas+0x25f/0x360 mm/memory.c:1583 exit_mmap+0x309/0x590 mm/mmap.c:3385 __mmput+0x92/0x2d0 kernel/fork.c:1153 mmput+0x4e/0x150 kernel/fork.c:1176 exit_mm kernel/exit.c:540 [inline] do_exit+0x9d8/0x24e0 kernel/exit.c:860 do_group_exit+0x149/0x310 kernel/exit.c:987 get_signal+0xfb1/0x1300 kernel/signal.c:2794 arch_do_signal_or_restart+0xe7/0x11b0 arch/x86/kernel/signal.c:805 handle_signal_work kernel/entry/common.c:145 [inline] exit_to_user_mode_loop+0xa2/0xe0 kernel/entry/common.c:169 exit_to_user_mode_prepare+0x76/0xa0 kernel/entry/common.c:199 Memory state around the buggy address: ffff88817352ef00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88817352ef80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88817352f000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff88817352f080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff88817352f100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325005d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe5426fb4c CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b98 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325005d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe5426fb4c CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b99 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250061 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b9a ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250061 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b9b ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250061 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b9c ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250065 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b9d ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250065 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b9e ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250065 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87b9f ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250069 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba0 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250069 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba1 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250069 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a2962caf8 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba2 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325006d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba3 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325006d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba4 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325006d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba5 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010012 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250071 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba6 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250071 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba7 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250071 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba8 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250075 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005586628b1f98 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87ba9 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250075 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005586628b1f98 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87baa ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250075 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005586628b1f98 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87bab ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250079 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005586628b1f98 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87bac ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250079 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87bad ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250079 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87bae ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325007d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_peek+0x183/0x360 kernel/trace/ring_buffer.c:4761 peek_next_entry kernel/trace/trace.c:3495 [inline] __find_next_entry+0x34d/0x6b0 kernel/trace/trace.c:3539 trace_find_next_entry_inc kernel/trace/trace.c:3619 [inline] tracing_read_pipe+0x3b8/0xab0 kernel/trace/trace.c:6410 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87baf ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27940 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ab8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325007d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005586628b1f98 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_buffer_peek+0x60/0x7a0 kernel/trace/ring_buffer.c:4561 ring_buffer_consume+0x1b2/0x350 kernel/trace/ring_buffer.c:4841 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87bb0 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 0 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 0 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27960 EFLAGS: 00010006 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27ac8 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 000000007325007d R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005586628b1f98 CR3: 0000000114b25000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rb_advance_reader+0x2b/0x6b0 kernel/trace/ring_buffer.c:4489 ring_buffer_consume+0x1e6/0x350 kernel/trace/ring_buffer.c:4844 trace_consume kernel/trace/trace.c:3630 [inline] tracing_read_pipe+0x599/0xab0 kernel/trace/trace.c:6434 vfs_read+0x209/0xa50 fs/read_write.c:494 ksys_read+0x14a/0x260 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x7b/0x90 fs/read_write.c:642 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f4228c1e90e Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007f42276b6f68 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f42276b76c0 RCX: 00007f4228c1e90e RDX: 0000000000002000 RSI: 0000200000002300 RDI: 0000000000000004 RBP: 00007f4228cf5024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 000020000000b540 R14: 00007f4228ee5fa0 R15: 00007ffcca8224f8 ---[ end trace 081bd6f8d9e87bb1 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 arch_atomic_inc include/linux/instrumented.h:101 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 atomic_inc include/asm-generic/atomic-instrumented.h:241 [inline] WARNING: CPU: 1 PID: 6262 at kernel/trace/ring_buffer.c:4348 rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Modules linked in: CPU: 1 PID: 6262 Comm: syz.0.12669 Tainted: G B W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:rb_get_reader_page+0xa78/0xbf0 kernel/trace/ring_buffer.c:4347 Code: 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 cd 27 38 00 48 8b 1b 48 8d 7b 08 be 04 00 00 00 e8 bc 29 38 00 f0 ff 43 08 <0f> 0b 48 83 7c 24 20 00 75 91 e8 89 b2 fd ff e9 45 fe ff ff e8 7f RSP: 0018:ffffc90000c27800 EFLAGS: 00010002 RAX: 1ffff11020030601 RBX: ffff888100052600 RCX: ffffffff8166f0a4 RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888100052608 RBP: ffffc90000c27978 R08: ffff88810005260b R09: 1ffff1102000a4c1 R10: dffffc0000000000 R11: ffffed102000a4c2 R12: 0000000073250081 R13: 1ffff11020057c63 R14: 1ffff11020057c66 R15: dffffc0000000000 FS: 00007f42276b76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558662b09230 CR3: 0000000114b25000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: