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================================================================== BUG: KASAN: use-after-free in cpu_map_generic_redirect+0x1a8/0x6d0 kernel/bpf/cpumap.c:786 Read of size 8 at addr ffff888119bb1c18 by task syz-executor/292 CPU: 1 PID: 292 Comm: syz-executor Not tainted 5.15.178-syzkaller-00034-g5e1b899f19c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106 print_address_description+0x87/0x3b0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0x179/0x1c0 mm/kasan/report.c:444 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309 cpu_map_generic_redirect+0x1a8/0x6d0 kernel/bpf/cpumap.c:786 xdp_do_generic_redirect_map net/core/filter.c:4189 [inline] xdp_do_generic_redirect+0x3df/0xb40 net/core/filter.c:4236 do_xdp_generic+0x50b/0x7c0 net/core/dev.c:4919 __netif_receive_skb_core+0x1706/0x3640 net/core/dev.c:5324 __netif_receive_skb_one_core net/core/dev.c:5499 [inline] __netif_receive_skb+0x11c/0x530 net/core/dev.c:5615 process_backlog+0x31c/0x650 net/core/dev.c:6492 __napi_poll+0xc4/0x5a0 net/core/dev.c:7051 napi_poll net/core/dev.c:7118 [inline] net_rx_action+0x47d/0xc50 net/core/dev.c:7208 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565 __do_softirq kernel/softirq.c:603 [inline] invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:write_comp_data kernel/kcov.c:226 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x80 kernel/kcov.c:300 Code: 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 4c 8b 45 08 <65> 48 8b 0d 80 fc 91 7e 65 8b 05 81 fc 91 7e 25 00 01 ff 00 74 10 RSP: 0018:ffffc90000a67650 EFLAGS: 00000246 RAX: ffff888125dcfb90 RBX: 00007f70f5d72000 RCX: ffff88810a8e3b40 RDX: 0000000000000000 RSI: 8000000120d27007 RDI: 0000000000000000 RBP: ffffc90000a67650 R08: ffffffff81a722cb R09: fffff94000906931 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881404cbb90 R13: dffffc0000000000 R14: ffff888125dbf4f0 R15: 8000000120d27007 pte_none arch/x86/include/asm/pgtable.h:727 [inline] copy_pte_range mm/memory.c:1119 [inline] copy_pmd_range mm/memory.c:1231 [inline] copy_pud_range mm/memory.c:1268 [inline] copy_p4d_range mm/memory.c:1292 [inline] copy_page_range+0x10ab/0x2e20 mm/memory.c:1365 dup_mmap kernel/fork.c:660 [inline] dup_mm kernel/fork.c:1522 [inline] copy_mm+0xc7e/0x13e0 kernel/fork.c:1574 copy_process+0x1149/0x3290 kernel/fork.c:2263 kernel_clone+0x21e/0x9e0 kernel/fork.c:2661 __do_sys_clone kernel/fork.c:2787 [inline] __se_sys_clone kernel/fork.c:2771 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2771 x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f70f64c89d3 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd31e34ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70f64c89d3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: 00005555605177d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 000000000000c51e R15: 00007ffd31e35060 </TASK> Allocated by task 2348: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:433 [inline] ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521 kasan_kmalloc include/linux/kasan.h:227 [inline] __kmalloc+0x13f/0x2c0 mm/slub.c:4431 __kmalloc_node include/linux/slab.h:469 [inline] kmalloc_node include/linux/slab.h:626 [inline] bpf_map_kmalloc_node+0xdb/0x160 kernel/bpf/syscall.c:432 __cpu_map_entry_alloc kernel/bpf/cpumap.c:442 [inline] cpu_map_update_elem+0x26c/0xea0 kernel/bpf/cpumap.c:600 bpf_map_update_value+0x1a3/0x3c0 kernel/bpf/syscall.c:186 map_update_elem+0x644/0x770 kernel/bpf/syscall.c:1165 __sys_bpf+0x405/0x760 kernel/bpf/syscall.c:4626 __do_sys_bpf kernel/bpf/syscall.c:4742 [inline] __se_sys_bpf kernel/bpf/syscall.c:4740 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4740 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 2351: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373 kasan_slab_free include/linux/kasan.h:193 [inline] slab_free_hook mm/slub.c:1723 [inline] slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kfree+0xcc/0x270 mm/slub.c:4583 put_cpu_map_entry+0x6dd/0x750 kernel/bpf/cpumap.c:160 cpu_map_kthread_run+0x22d0/0x2390 kernel/bpf/cpumap.c:407 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 insert_work+0x56/0x320 kernel/workqueue.c:1373 __queue_work+0x92a/0xcd0 kernel/workqueue.c:1539 queue_work_on+0x105/0x170 kernel/workqueue.c:1566 queue_work include/linux/workqueue.h:510 [inline] schedule_work include/linux/workqueue.h:571 [inline] __cpu_map_entry_replace kernel/bpf/cpumap.c:555 [inline] cpu_map_free+0x1e7/0x2c0 kernel/bpf/cpumap.c:638 bpf_map_free_deferred+0x10d/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Second to last potentially related work creation: kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358 __call_rcu_common kernel/rcu/tree.c:3007 [inline] call_rcu+0x123/0x10b0 kernel/rcu/tree.c:3125 __cpu_map_entry_replace kernel/bpf/cpumap.c:553 [inline] cpu_map_free+0x109/0x2c0 kernel/bpf/cpumap.c:638 bpf_map_free_deferred+0x10d/0x1e0 kernel/bpf/syscall.c:481 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472 kthread+0x421/0x510 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff888119bb1c00 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 24 bytes inside of 192-byte region [ffff888119bb1c00, ffff888119bb1cc0) The buggy address belongs to the page: page:ffffea000466ec40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x119bb1 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 ffffea00042abc40 0000000c00000002 ffff888100042c00 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 101, ts 30049007486, free_ts 30014836444 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1b/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5780 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0x9a/0x4e0 mm/slub.c:1995 ___slab_alloc+0x39e/0x830 mm/slub.c:3028 __slab_alloc+0x4a/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc_trace+0x147/0x270 mm/slub.c:3267 kmalloc include/linux/slab.h:603 [inline] kzalloc include/linux/slab.h:733 [inline] kernfs_fop_open+0x324/0xab0 fs/kernfs/file.c:628 do_dentry_open+0x81c/0xfd0 fs/open.c:828 vfs_open+0x73/0x80 fs/open.c:958 do_open fs/namei.c:3608 [inline] path_openat+0x26f0/0x2f40 fs/namei.c:3742 do_filp_open+0x21c/0x460 fs/namei.c:3769 do_sys_openat2+0x13f/0x820 fs/open.c:1234 do_sys_open fs/open.c:1250 [inline] __do_sys_openat fs/open.c:1266 [inline] __se_sys_openat fs/open.c:1261 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1261 x64_sys_call+0x6bf/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:258 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1472 [inline] free_pcp_prepare mm/page_alloc.c:1544 [inline] free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3534 free_unref_page_list+0x14b/0xa60 mm/page_alloc.c:3671 release_pages+0x1310/0x1370 mm/swap.c:1009 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:320 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline] tlb_flush_mmu_free mm/mmu_gather.c:240 [inline] tlb_flush_mmu mm/mmu_gather.c:247 [inline] tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:338 exit_mmap+0x484/0x990 mm/mmap.c:3236 __mmput+0x95/0x310 kernel/fork.c:1180 mmput+0x5b/0x170 kernel/fork.c:1203 exit_mm kernel/exit.c:554 [inline] do_exit+0xb9c/0x2ca0 kernel/exit.c:867 do_group_exit+0x141/0x310 kernel/exit.c:1002 __do_sys_exit_group kernel/exit.c:1013 [inline] __se_sys_exit_group kernel/exit.c:1011 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1011 x64_sys_call+0x610/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff888119bb1b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888119bb1b80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff888119bb1c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888119bb1c80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888119bb1d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ================================================================================ UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:130:9 index 16382 is out of range for type 'unsigned long[8]' CPU: 1 PID: 292 Comm: syz-executor Tainted: G B 5.15.178-syzkaller-00034-g5e1b899f19c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106 dump_stack+0x15/0x20 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:282 decode_tail kernel/locking/qspinlock.c:130 [inline] __pv_queued_spin_lock_slowpath+0xb9d/0xc40 kernel/locking/qspinlock.c:468 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] ptr_ring_produce include/linux/ptr_ring.h:128 [inline] cpu_map_generic_redirect+0x1d5/0x6d0 kernel/bpf/cpumap.c:786 xdp_do_generic_redirect_map net/core/filter.c:4189 [inline] xdp_do_generic_redirect+0x3df/0xb40 net/core/filter.c:4236 do_xdp_generic+0x50b/0x7c0 net/core/dev.c:4919 __netif_receive_skb_core+0x1706/0x3640 net/core/dev.c:5324 __netif_receive_skb_one_core net/core/dev.c:5499 [inline] __netif_receive_skb+0x11c/0x530 net/core/dev.c:5615 process_backlog+0x31c/0x650 net/core/dev.c:6492 __napi_poll+0xc4/0x5a0 net/core/dev.c:7051 napi_poll net/core/dev.c:7118 [inline] net_rx_action+0x47d/0xc50 net/core/dev.c:7208 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565 __do_softirq kernel/softirq.c:603 [inline] invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:write_comp_data kernel/kcov.c:226 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x80 kernel/kcov.c:300 Code: 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 4c 8b 45 08 <65> 48 8b 0d 80 fc 91 7e 65 8b 05 81 fc 91 7e 25 00 01 ff 00 74 10 RSP: 0018:ffffc90000a67650 EFLAGS: 00000246 RAX: ffff888125dcfb90 RBX: 00007f70f5d72000 RCX: ffff88810a8e3b40 RDX: 0000000000000000 RSI: 8000000120d27007 RDI: 0000000000000000 RBP: ffffc90000a67650 R08: ffffffff81a722cb R09: fffff94000906931 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881404cbb90 R13: dffffc0000000000 R14: ffff888125dbf4f0 R15: 8000000120d27007 pte_none arch/x86/include/asm/pgtable.h:727 [inline] copy_pte_range mm/memory.c:1119 [inline] copy_pmd_range mm/memory.c:1231 [inline] copy_pud_range mm/memory.c:1268 [inline] copy_p4d_range mm/memory.c:1292 [inline] copy_page_range+0x10ab/0x2e20 mm/memory.c:1365 dup_mmap kernel/fork.c:660 [inline] dup_mm kernel/fork.c:1522 [inline] copy_mm+0xc7e/0x13e0 kernel/fork.c:1574 copy_process+0x1149/0x3290 kernel/fork.c:2263 kernel_clone+0x21e/0x9e0 kernel/fork.c:2661 __do_sys_clone kernel/fork.c:2787 [inline] __se_sys_clone kernel/fork.c:2771 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2771 x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f70f64c89d3 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd31e34ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70f64c89d3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: 00005555605177d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 000000000000c51e R15: 00007ffd31e35060 </TASK> ================================================================================ general protection fault, probably for non-canonical address 0xe010f1f79fab70e5: 0000 [#1] PREEMPT SMP KASAN KASAN: maybe wild-memory-access in range [0x0087afbcfd5b8728-0x0087afbcfd5b872f] CPU: 1 PID: 292 Comm: syz-executor Tainted: G B 5.15.178-syzkaller-00034-g5e1b899f19c3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__pv_queued_spin_lock_slowpath+0x2f3/0xc40 kernel/locking/qspinlock.c:471 Code: 74 1e 48 89 4c 24 10 48 8b 7c 24 10 e8 c6 9e 5d 00 48 8b 4c 24 10 48 ba 00 00 00 00 00 fc ff df 4c 03 21 4c 89 e0 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 e7 e8 3f 9f 5d 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc900001d05a0 EFLAGS: 00010203 RAX: 0010f5f79fab70e5 RBX: ffff8881f7138ad4 RCX: ffffffff86286820 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc900001d0690 R08: ffffffff8141a9ab R09: 0000000000000003 R10: fffffbfff0e9aa4c R11: dffffc0000000001 R12: 0087afbcfd5b872d R13: 1ffff110233762e0 R14: 1ffff1103ee27159 R15: ffff888119bb1704 FS: 0000555560517500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f70f721a6c0 CR3: 0000000125dbe000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] ptr_ring_produce include/linux/ptr_ring.h:128 [inline] cpu_map_generic_redirect+0x1d5/0x6d0 kernel/bpf/cpumap.c:786 xdp_do_generic_redirect_map net/core/filter.c:4189 [inline] xdp_do_generic_redirect+0x3df/0xb40 net/core/filter.c:4236 do_xdp_generic+0x50b/0x7c0 net/core/dev.c:4919 __netif_receive_skb_core+0x1706/0x3640 net/core/dev.c:5324 __netif_receive_skb_one_core net/core/dev.c:5499 [inline] __netif_receive_skb+0x11c/0x530 net/core/dev.c:5615 process_backlog+0x31c/0x650 net/core/dev.c:6492 __napi_poll+0xc4/0x5a0 net/core/dev.c:7051 napi_poll net/core/dev.c:7118 [inline] net_rx_action+0x47d/0xc50 net/core/dev.c:7208 handle_softirqs+0x25e/0x5c0 kernel/softirq.c:565 __do_softirq kernel/softirq.c:603 [inline] invoke_softirq kernel/softirq.c:425 [inline] __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:652 irq_exit_rcu+0x9/0x10 kernel/softirq.c:664 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1108 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:write_comp_data kernel/kcov.c:226 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x8/0x80 kernel/kcov.c:300 Code: 0a 10 48 89 74 0a 18 4c 89 44 0a 20 49 ff c1 4c 89 09 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 48 89 e5 4c 8b 45 08 <65> 48 8b 0d 80 fc 91 7e 65 8b 05 81 fc 91 7e 25 00 01 ff 00 74 10 RSP: 0018:ffffc90000a67650 EFLAGS: 00000246 RAX: ffff888125dcfb90 RBX: 00007f70f5d72000 RCX: ffff88810a8e3b40 RDX: 0000000000000000 RSI: 8000000120d27007 RDI: 0000000000000000 RBP: ffffc90000a67650 R08: ffffffff81a722cb R09: fffff94000906931 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881404cbb90 R13: dffffc0000000000 R14: ffff888125dbf4f0 R15: 8000000120d27007 pte_none arch/x86/include/asm/pgtable.h:727 [inline] copy_pte_range mm/memory.c:1119 [inline] copy_pmd_range mm/memory.c:1231 [inline] copy_pud_range mm/memory.c:1268 [inline] copy_p4d_range mm/memory.c:1292 [inline] copy_page_range+0x10ab/0x2e20 mm/memory.c:1365 dup_mmap kernel/fork.c:660 [inline] dup_mm kernel/fork.c:1522 [inline] copy_mm+0xc7e/0x13e0 kernel/fork.c:1574 copy_process+0x1149/0x3290 kernel/fork.c:2263 kernel_clone+0x21e/0x9e0 kernel/fork.c:2661 __do_sys_clone kernel/fork.c:2787 [inline] __se_sys_clone kernel/fork.c:2771 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2771 x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f70f64c89d3 Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffd31e34ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f70f64c89d3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 R10: 00005555605177d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000000927c0 R14: 000000000000c51e R15: 00007ffd31e35060 </TASK> Modules linked in: ---[ end trace 9fde2657ca4ed6a5 ]--- RIP: 0010:__pv_queued_spin_lock_slowpath+0x2f3/0xc40 kernel/locking/qspinlock.c:471 Code: 74 1e 48 89 4c 24 10 48 8b 7c 24 10 e8 c6 9e 5d 00 48 8b 4c 24 10 48 ba 00 00 00 00 00 fc ff df 4c 03 21 4c 89 e0 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 e7 e8 3f 9f 5d 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc900001d05a0 EFLAGS: 00010203 RAX: 0010f5f79fab70e5 RBX: ffff8881f7138ad4 RCX: ffffffff86286820 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 00000000ffffffff RBP: ffffc900001d0690 R08: ffffffff8141a9ab R09: 0000000000000003 R10: fffffbfff0e9aa4c R11: dffffc0000000001 R12: 0087afbcfd5b872d R13: 1ffff110233762e0 R14: 1ffff1103ee27159 R15: ffff888119bb1704 FS: 0000555560517500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f70f721a6c0 CR3: 0000000125dbe000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0a 10 or (%rax),%dl 2: 48 89 74 0a 18 mov %rsi,0x18(%rdx,%rcx,1) 7: 4c 89 44 0a 20 mov %r8,0x20(%rdx,%rcx,1) c: 49 ff c1 inc %r9 f: 4c 89 09 mov %r9,(%rcx) 12: 5d pop %rbp 13: c3 ret 14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 1b: 00 00 00 1e: 0f 1f 40 00 nopl 0x0(%rax) 22: 55 push %rbp 23: 48 89 e5 mov %rsp,%rbp 26: 4c 8b 45 08 mov 0x8(%rbp),%r8 * 2a: 65 48 8b 0d 80 fc 91 mov %gs:0x7e91fc80(%rip),%rcx # 0x7e91fcb2 <-- trapping instruction 31: 7e 32: 65 8b 05 81 fc 91 7e mov %gs:0x7e91fc81(%rip),%eax # 0x7e91fcba 39: 25 00 01 ff 00 and $0xff0100,%eax 3e: 74 10 je 0x50
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/04/07 13:30 | android13-5.15-lts | 5e1b899f19c3 | a2ada0e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/04/07 13:30 | android13-5.15-lts | 5e1b899f19c3 | a2ada0e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/04/07 13:30 | android13-5.15-lts | 5e1b899f19c3 | a2ada0e7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/04/05 03:02 | android13-5.15-lts | 5e1b899f19c3 | c53ea9c9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/03/16 19:25 | android13-5.15-lts | 7d1f9b5c2ff5 | e2826670 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/03/15 21:13 | android13-5.15-lts | 7d1f9b5c2ff5 | e2826670 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/03/15 16:04 | android13-5.15-lts | 7d1f9b5c2ff5 | e2826670 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/02/24 20:38 | android13-5.15-lts | 7d1f9b5c2ff5 | d34966d1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/29 13:03 | android13-5.15-lts | d1a25a6a4b3b | 136953f1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/29 00:50 | android13-5.15-lts | d1a25a6a4b3b | 865ef71e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/29 00:50 | android13-5.15-lts | d1a25a6a4b3b | 865ef71e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/24 14:28 | android13-5.15-lts | 829d9f138569 | 1293872d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/23 18:09 | android13-5.15-lts | 829d9f138569 | 521b0ce3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/20 15:34 | android13-5.15-lts | 829d9f138569 | 6e87cfa2 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/16 14:01 | android13-5.15-lts | 829d9f138569 | f9e07a6e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/15 04:14 | android13-5.15-lts | 829d9f138569 | 7315a7cf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/01/15 04:14 | android13-5.15-lts | 829d9f138569 | 7315a7cf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in cpu_map_generic_redirect | ||
| 2025/02/19 17:04 | android13-5.15-lts | 058abb720bd1 | b257a9b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | UBSAN: array-index-out-of-bounds in cpu_map_generic_redirect |