| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2023/09/21 | lts (merge base) | aff03380bda4 | C | [report] KASAN: use-after-free Read in consume_skb |
| 2023/09/21 | upstream (ToT) | 42dc814987c1 | C | Didn't crash |
syzbot |
sign-in | mailing list | source | docs |
| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2023/09/21 | lts (merge base) | aff03380bda4 | C | [report] KASAN: use-after-free Read in consume_skb |
| 2023/09/21 | upstream (ToT) | 42dc814987c1 | C | Didn't crash |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| android-6-1 | KASAN: use-after-free Read in consume_skb | C | error | done | 4 | 599d | 657d | 0/2 | auto-obsoleted due to no activity on 2024/02/15 15:09 |
| linux-5.15 | KASAN: use-after-free Read in consume_skb origin:lts-only | C | done | 6 | 23d | 323d | 0/3 | upstream: reported C repro on 2024/08/09 08:33 | |
| upstream | KASAN: use-after-free Read in consume_skb bpf net | C | done | inconclusive | 33 | 1078d | 1357d | 0/29 | closed as invalid on 2022/10/12 18:37 |
| upstream | KASAN: slab-use-after-free Read in consume_skb net bpf | C | error | 6 | 661d | 662d | 0/29 | closed as invalid on 2023/10/04 10:50 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2025/05/15 08:19 | 16m | retest repro | android13-5.15-lts | report log | |
| 2025/05/15 08:19 | 14m | retest repro | android13-5.15-lts | report log | |
| 2025/05/15 08:19 | 15m | retest repro | android13-5.15-lts | report log | |
| 2025/05/15 08:19 | 11m | retest repro | android13-5.15-lts | report log | |
| 2025/03/20 02:25 | 10m | retest repro | android13-5.15-lts | report log | |
| 2025/03/20 02:25 | 12m | retest repro | android13-5.15-lts | report log | |
| 2025/03/20 02:25 | 13m | retest repro | android13-5.15-lts | report log |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2023/12/12 21:16 | 54m | bisect fix | android13-5.15-lts | OK (0) job log log | |
| 2023/11/12 13:30 | 38m | bisect fix | android13-5.15-lts | OK (0) job log log |
RBP: 0000000000000001 R08: 00007fff7b2d7e47 R09: 00000000000000a0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 </TASK> ================================================================== BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:71 [inline] BUG: KASAN: use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] BUG: KASAN: use-after-free in refcount_read include/linux/refcount.h:147 [inline] BUG: KASAN: use-after-free in skb_unref include/linux/skbuff.h:1131 [inline] BUG: KASAN: use-after-free in consume_skb+0x3a/0x1f0 net/core/skbuff.c:926 Read of size 4 at addr ffff8881065ce4ac by task syz-executor292/289 CPU: 1 PID: 289 Comm: syz-executor292 Not tainted 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: <TASK> __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:427 [inline] kasan_report+0xf1/0x140 mm/kasan/report.c:444 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x280/0x290 mm/kasan/generic.c:189 __kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] refcount_read include/linux/refcount.h:147 [inline] skb_unref include/linux/skbuff.h:1131 [inline] consume_skb+0x3a/0x1f0 net/core/skbuff.c:926 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 __sock_map_delete net/core/sock_map.c:425 [inline] sock_map_delete_from_link net/core/sock_map.c:438 [inline] sock_map_unlink net/core/sock_map.c:1497 [inline] sock_map_remove_links+0x3cd/0x600 net/core/sock_map.c:1512 sock_map_close+0x111/0x440 net/core/sock_map.c:1549 unix_release+0x82/0xc0 net/unix/af_unix.c:936 __sock_release net/socket.c:649 [inline] sock_close+0xe0/0x270 net/socket.c:1336 __fput+0x20b/0x8b0 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa76/0x27a0 kernel/exit.c:880 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+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7ff7e8c07c79 Code: Unable to access opcode bytes at RIP 0x7ff7e8c07c4f. RSP: 002b:00007fff7b2d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff7e8c07c79 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007ff7e8c7b390 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ff7e8c7b390 R13: 0000000000000000 R14: 00007ff7e8c7bde0 R15: 00007ff7e8bd1320 </TASK> Allocated by task 289: 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_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 42: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c: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+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881065ce3c0 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 236 bytes inside of 248-byte region [ffff8881065ce3c0, ffff8881065ce4b8) The buggy address belongs to the page: page:ffffea0004197380 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065ce flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081aaa80 raw: 0000000000000000 00000000800c000c 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 289, ts 23612872653, free_ts 18452601211 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] nlmsg_new include/net/netlink.h:953 [inline] audit_buffer_alloc kernel/audit.c:1799 [inline] audit_log_start+0x3c7/0x8b0 kernel/audit.c:1917 common_lsm_audit+0xd1/0x1600 security/lsm_audit.c:457 slow_avc_audit+0x1ac/0x220 security/selinux/avc.c:802 avc_audit security/selinux/include/avc.h:135 [inline] avc_has_perm+0x1e6/0x240 security/selinux/avc.c:1190 selinux_bpf_map+0xd2/0x110 security/selinux/hooks.c:6996 security_bpf_map+0x69/0xa0 security/security.c:2621 bpf_map_new_fd+0x2b/0x70 kernel/bpf/syscall.c:711 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+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 free_pages+0x82/0x90 mm/page_alloc.c:5876 _pgd_free arch/x86/mm/pgtable.c:420 [inline] pgd_free+0x187/0x1a0 arch/x86/mm/pgtable.c:476 mm_free_pgd kernel/fork.c:699 [inline] __mmdrop+0xad/0x410 kernel/fork.c:750 mmdrop include/linux/sched/mm.h:49 [inline] finish_task_switch+0x2bb/0x780 kernel/sched/core.c:5052 context_switch kernel/sched/core.c:5158 [inline] __schedule+0xb76/0x14c0 kernel/sched/core.c:6515 schedule+0x11e/0x1e0 kernel/sched/core.c:6598 do_wait+0x6b3/0x9a0 kernel/exit.c:1613 kernel_wait4+0x1a5/0x260 kernel/exit.c:1757 __do_sys_wait4 kernel/exit.c:1785 [inline] __se_sys_wait4 kernel/exit.c:1781 [inline] __x64_sys_wait4+0x130/0x1e0 kernel/exit.c:1781 x64_sys_call+0xec/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:62 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881065ce380: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ffff8881065ce400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8881065ce480: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc ^ ffff8881065ce500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881065ce580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc ================================================================== ================================================================== BUG: KASAN: double-free or invalid-free in slab_free mm/slub.c:3521 [inline] BUG: KASAN: double-free or invalid-free in kmem_cache_free+0x100/0x320 mm/slub.c:3539 CPU: 1 PID: 289 Comm: syz-executor292 Tainted: G B 5.15.185-syzkaller-00339-ge678c93d43cc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: <TASK> __dump_stack+0x21/0x30 lib/dump_stack.c:88 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 kasan_report_invalid_free+0x58/0x90 mm/kasan/report.c:370 ____kasan_slab_free+0x13d/0x160 mm/kasan/common.c:-1 __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+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] consume_skb+0xb3/0x1f0 net/core/skbuff.c:930 __sk_msg_free+0x4f4/0x560 net/core/skmsg.c:205 sk_msg_free net/core/skmsg.c:218 [inline] __sk_psock_purge_ingress_msg net/core/skmsg.c:773 [inline] __sk_psock_zap_ingress net/core/skmsg.c:791 [inline] sk_psock_stop+0x4c9/0x570 net/core/skmsg.c:809 sk_psock_drop+0x226/0x300 net/core/skmsg.c:848 sk_psock_put include/linux/skmsg.h:463 [inline] sock_map_unref+0x3c2/0x420 net/core/sock_map.c:184 __sock_map_delete net/core/sock_map.c:425 [inline] sock_map_delete_from_link net/core/sock_map.c:438 [inline] sock_map_unlink net/core/sock_map.c:1497 [inline] sock_map_remove_links+0x3cd/0x600 net/core/sock_map.c:1512 sock_map_close+0x111/0x440 net/core/sock_map.c:1549 unix_release+0x82/0xc0 net/unix/af_unix.c:936 __sock_release net/socket.c:649 [inline] sock_close+0xe0/0x270 net/socket.c:1336 __fput+0x20b/0x8b0 fs/file_table.c:311 ____fput+0x15/0x20 fs/file_table.c:339 task_work_run+0x127/0x190 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa76/0x27a0 kernel/exit.c:880 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+0x832/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7ff7e8c07c79 Code: Unable to access opcode bytes at RIP 0x7ff7e8c07c4f. RSP: 002b:00007fff7b2d8048 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff7e8c07c79 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007ff7e8c7b390 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ff7e8c7b390 R13: 0000000000000000 R14: 00007ff7e8c7bde0 R15: 00007ff7e8bd1320 </TASK> Allocated by task 289: 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_slab_alloc+0xbd/0xf0 mm/kasan/common.c:466 kasan_slab_alloc include/linux/kasan.h:217 [inline] slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550 slab_alloc_node mm/slub.c:3240 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0xf7/0x260 mm/slub.c:3255 skb_clone+0x1cf/0x360 net/core/skbuff.c:1547 sk_psock_verdict_recv+0x53/0x800 net/core/skmsg.c:1187 unix_read_sock+0x10a/0x2c0 net/unix/af_unix.c:2428 sk_psock_verdict_data_ready+0x115/0x170 net/core/skmsg.c:1230 unix_dgram_sendmsg+0x11e6/0x1880 net/unix/af_unix.c:1942 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2436 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __x64_sys_sendmsg+0x1e2/0x2a0 net/socket.c:2526 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 42: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4a/0x70 mm/kasan/common.c:45 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c: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+0xc2/0x190 mm/slub.c:1749 slab_free mm/slub.c:3521 [inline] kmem_cache_free+0x100/0x320 mm/slub.c:3539 kfree_skbmem+0x10c/0x180 net/core/skbuff.c:-1 __kfree_skb net/core/skbuff.c:758 [inline] kfree_skb_reason net/core/skbuff.c:778 [inline] kfree_skb+0xc1/0x2f0 net/core/skbuff.c:792 sock_drop include/linux/skmsg.h:312 [inline] sk_psock_backlog+0xa85/0xd80 net/core/skmsg.c:684 process_one_work+0x6be/0xba0 kernel/workqueue.c:2325 worker_thread+0xa59/0x1200 kernel/workqueue.c:2472 kthread+0x411/0x500 kernel/kthread.c:337 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 The buggy address belongs to the object at ffff8881065ce3c0 which belongs to the cache skbuff_head_cache of size 248 The buggy address is located 0 bytes inside of 248-byte region [ffff8881065ce3c0, ffff8881065ce4b8) The buggy address belongs to the page: page:ffffea0004197380 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065ce flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 0000000000000000 dead000000000122 ffff8881081aaa80 raw: 0000000000000000 00000000800c000c 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 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY), pid 289, ts 23612872653, free_ts 18452601211 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2605 prep_new_page+0x1c/0x110 mm/page_alloc.c:2611 get_page_from_freelist+0x2cc5/0x2d50 mm/page_alloc.c:4485 __alloc_pages+0x18f/0x440 mm/page_alloc.c:5789 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1932 [inline] new_slab+0xa1/0x4d0 mm/slub.c:1995 ___slab_alloc+0x381/0x810 mm/slub.c:3028 __slab_alloc+0x49/0x90 mm/slub.c:3115 slab_alloc_node mm/slub.c:3206 [inline] slab_alloc mm/slub.c:3250 [inline] kmem_cache_alloc+0x138/0x260 mm/slub.c:3255 kmem_cache_alloc_node include/linux/slab.h:489 [inline] __alloc_skb+0xe0/0x740 net/core/skbuff.c:416 alloc_skb include/linux/skbuff.h:1183 [inline] nlmsg_new include/net/netlink.h:953 [inline] audit_buffer_alloc kernel/audit.c:1799 [inline] audit_log_start+0x3c7/0x8b0 kernel/audit.c:1917 common_lsm_audit+0xd1/0x1600 security/lsm_audit.c:457 slow_avc_audit+0x1ac/0x220 security/selinux/avc.c:802 avc_audit security/selinux/include/avc.h:135 [inline] avc_has_perm+0x1e6/0x240 security/selinux/avc.c:1190 selinux_bpf_map+0xd2/0x110 security/selinux/hooks.c:6996 security_bpf_map+0x69/0xa0 security/security.c:2621 bpf_map_new_fd+0x2b/0x70 kernel/bpf/syscall.c:711 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+0x542/0x550 mm/page_alloc.c:3534 free_unref_page+0xa2/0x550 mm/page_alloc.c:3616 free_the_page mm/page_alloc.c:805 [inline] __free_pages+0x6c/0x100 mm/page_alloc.c:5865 free_pages+0x82/0x90 mm/page_alloc.c:5876 _pgd_free arch/x86/mm/pgtable.c:420 [inline] pgd_free+0x187/0x1a0 arch/x86/mm/pgtable.c:476 mm_free_pgd kernel/fork.c:699 [inline] __mmdrop+0xad/0x410 kernel/fork.c:750 mmdrop include/linux/sched/mm.h:49 [inline] finish_task_switch+0x2bb/0x780 kernel/sched/core.c:5052 context_switch kernel/sched/core.c:5158 [inline] __schedule+0xb76/0x14c0 kernel/sched/core.c:6515 schedule+0x11e/0x1e0 kernel/sched/core.c:6598 do_wait+0x6b3/0x9a0 kernel/exit.c:1613 kernel_wait4+0x1a5/0x260 kernel/exit.c:1757 __do_sys_wait4 kernel/exit.c:1785 [inline] __se_sys_wait4 kernel/exit.c:1781 [inline] __x64_sys_wait4+0x130/0x1e0 kernel/exit.c:1781 x64_sys_call+0xec/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:62 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Memory state around the buggy address: ffff8881065ce280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881065ce300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc >ffff8881065ce380: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ^ ffff8881065ce400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881065ce480: fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/06/14 08:48 | android13-5.15-lts | e678c93d43cc | 0e8da31f | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | |
| 2025/03/05 17:05 | android13-5.15-lts | 7d1f9b5c2ff5 | 60f5d8d9 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | |
| 2024/11/20 01:04 | android13-5.15-lts | 2e66050fb753 | 7d02db5a | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | |
| 2024/08/09 19:44 | android13-5.15-lts | 70e1a731d986 | a83d9288 | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | |
| 2024/04/28 16:00 | android13-5.15-lts | 5d96939590c0 | 07b455f9 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | |
| 2024/01/19 05:05 | android13-5.15-lts | 1c3a1f32bcbd | 21772ce4 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | |
| 2023/09/25 17:24 | android13-5.15-lts | ea586874d2f9 | 0b6a67ac | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | |
| 2023/09/21 03:10 | android13-5.15-lts | ea586874d2f9 | 0b6a67ac | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | |
| 2023/09/21 02:28 | android13-5.15-lts | ea586874d2f9 | 0b6a67ac | .config | strace log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | |
| 2025/06/28 05:21 | android13-5.15-lts | 0d918fa8e88d | fc9d8ee5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/06/26 00:57 | android13-5.15-lts | 0d918fa8e88d | 26d77996 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2025/06/14 08:20 | android13-5.15-lts | e678c93d43cc | 0e8da31f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/06/12 03:17 | android13-5.15-lts | e678c93d43cc | 98683f8f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/06/08 15:27 | android13-5.15-lts | e678c93d43cc | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2025/06/04 15:27 | android13-5.15-lts | 4032a894ccb2 | e565f08d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/05/21 16:14 | android13-5.15-lts | 56993594bfa4 | dc5d3808 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/30 16:14 | android13-5.15-lts | 88c4075c39ed | 85a5a23f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/29 05:45 | android13-5.15-lts | 88c4075c39ed | aeb6ec69 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/23 08:13 | android13-5.15-lts | 8034ec1338e8 | 53a8b9bd | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/15 21:48 | android13-5.15-lts | 610bd6013c81 | 23b969b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/11 02:06 | android13-5.15-lts | 760764029c6d | 1ef3ab4d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/10 08:10 | android13-5.15-lts | 760764029c6d | 988b336c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/05 15:29 | android13-5.15-lts | 5e1b899f19c3 | c53ea9c9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/04/04 18:44 | android13-5.15-lts | 5e1b899f19c3 | 1c4febdb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/03/05 16:32 | android13-5.15-lts | 7d1f9b5c2ff5 | 60f5d8d9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/02/27 21:12 | android13-5.15-lts | 7d1f9b5c2ff5 | 6a8fcbc4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2025/02/23 08:37 | android13-5.15-lts | 7d1f9b5c2ff5 | d34966d1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/02/23 07:29 | android13-5.15-lts | 7d1f9b5c2ff5 | d34966d1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/02/15 10:33 | android13-5.15-lts | 058abb720bd1 | 40a34ec9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/02/13 18:14 | android13-5.15-lts | 058abb720bd1 | a98a8417 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/02/11 22:12 | android13-5.15-lts | 058abb720bd1 | f2baddf5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/01/28 06:20 | android13-5.15-lts | d1a25a6a4b3b | 18070896 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/01/22 03:24 | android13-5.15-lts | 829d9f138569 | da72ac06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/01/13 16:41 | android13-5.15-lts | 829d9f138569 | 249ceea9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/01/10 07:15 | android13-5.15-lts | 19092c8155b4 | 67d7ec0a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2025/01/06 18:05 | android13-5.15-lts | 19092c8155b4 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/12/12 21:53 | android13-5.15-lts | 1f9202a6d83b | 530e80f8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/27 16:11 | android13-5.15-lts | 101e665d55a8 | 52b38cc1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/27 16:11 | android13-5.15-lts | 101e665d55a8 | 52b38cc1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/20 00:29 | android13-5.15-lts | 2e66050fb753 | 7d02db5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/17 16:07 | android13-5.15-lts | ef332e923197 | cfe3a04a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/17 03:53 | android13-5.15-lts | 42bb395d8907 | cfe3a04a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/15 14:45 | android13-5.15-lts | 3bfe08931bff | f6ede3a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/12 07:07 | android13-5.15-lts | 3bfe08931bff | 75bb1b32 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/11/03 10:44 | android13-5.15-lts | 5e4635681cf1 | f00eed24 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2024/10/23 13:55 | android13-5.15-lts | 5e4635681cf1 | 15fa2979 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/10/20 14:47 | android13-5.15-lts | 5e4635681cf1 | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2024/10/15 05:16 | android13-5.15-lts | 5e4635681cf1 | b01b6661 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/10/08 12:28 | android13-5.15-lts | 80dd36dca275 | 402f1df0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/09/18 11:49 | android13-5.15-lts | b92c0d35d015 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2024/09/16 18:59 | android13-5.15-lts | b92c0d35d015 | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/08/09 19:14 | android13-5.15-lts | 70e1a731d986 | a83d9288 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/31 13:43 | android13-5.15-lts | d0a6506ecafd | 6fde257d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/27 07:12 | android13-5.15-lts | 4edafe6c0231 | 46eb10b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/27 05:01 | android13-5.15-lts | 4edafe6c0231 | 46eb10b7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/25 03:16 | android13-5.15-lts | 5356d2f17edf | d1a1b0ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/25 03:09 | android13-5.15-lts | 5356d2f17edf | d1a1b0ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/25 03:08 | android13-5.15-lts | 5356d2f17edf | d1a1b0ca | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/23 03:31 | android13-5.15-lts | 5356d2f17edf | 708c10c4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/17 10:25 | android13-5.15-lts | db06c48ab67e | 215bec2d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/07/14 06:35 | android13-5.15-lts | db06c48ab67e | eaeb5c15 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2024/05/05 19:43 | android13-5.15-lts | 5d96939590c0 | 610f2a54 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/04/29 02:06 | android13-5.15-lts | 5d96939590c0 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/04/28 10:44 | android13-5.15-lts | 5d96939590c0 | 07b455f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/04/20 17:36 | android13-5.15-lts | ad06eaf051cd | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/04/20 09:25 | android13-5.15-lts | ad06eaf051cd | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/04/19 14:55 | android13-5.15-lts | ad06eaf051cd | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/04/19 14:39 | android13-5.15-lts | ad06eaf051cd | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15-perf | KASAN: use-after-free Read in consume_skb | ||
| 2024/03/06 06:40 | android13-5.15-lts | 993bed180178 | f39a7eed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb | ||
| 2024/01/19 04:43 | android13-5.15-lts | 1c3a1f32bcbd | 21772ce4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-android-5-15 | KASAN: use-after-free Read in consume_skb |