F2FS-fs (loop7): Try to recover 1th superblock, ret: 0 F2FS-fs (loop7): Mounted with checkpoint version = 48b305e4 ================================================================== BUG: KASAN: slab-out-of-bounds in xfrm_policy_inexact_list_reinsert+0x62b/0x6e0 net/xfrm/xfrm_policy.c:853 Read of size 1 at addr ffff8881220d0bd8 by task syz.7.269/1408 CPU: 0 PID: 1408 Comm: syz.7.269 Not tainted 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_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306 xfrm_policy_inexact_list_reinsert+0x62b/0x6e0 net/xfrm/xfrm_policy.c:853 xfrm_policy_inexact_node_merge net/xfrm/xfrm_policy.c:985 [inline] xfrm_policy_inexact_insert_node+0x954/0xb60 net/xfrm/xfrm_policy.c:1041 xfrm_policy_inexact_alloc_chain+0x540/0xb40 net/xfrm/xfrm_policy.c:1148 xfrm_policy_inexact_insert+0x6a/0x1190 net/xfrm/xfrm_policy.c:1191 xfrm_policy_insert+0x12c/0x9c0 net/xfrm/xfrm_policy.c:1577 xfrm_add_policy+0x4e1/0x840 net/xfrm/xfrm_user.c:1733 xfrm_user_rcv_msg+0x54d/0x7e0 net/xfrm/xfrm_user.c:2789 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2508 xfrm_netlink_rcv+0x72/0x90 net/xfrm/xfrm_user.c:2811 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x949/0xb70 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:652 [inline] __sock_sendmsg net/socket.c:664 [inline] ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2377 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2431 __sys_sendmsg net/socket.c:2460 [inline] __do_sys_sendmsg net/socket.c:2469 [inline] __se_sys_sendmsg net/socket.c:2467 [inline] __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2467 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f10cc69d0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f10cb0f6028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f10cc924fa0 RCX: 00007f10cc69d0d9 RDX: 0000000000000000 RSI: 0000200000000580 RDI: 0000000000000008 RBP: 00007f10cc734024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f10cc925038 R14: 00007f10cc924fa0 R15: 00007fff7338e908 Allocated by task 1408: 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:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x19f/0x330 mm/slub.c:4038 kmalloc include/linux/slab.h:560 [inline] sk_prot_alloc+0xb2/0x340 net/core/sock.c:1718 sk_alloc+0x38/0x4e0 net/core/sock.c:1779 pfkey_create+0x12a/0x650 net/key/af_key.c:154 __sock_create+0x38d/0x770 net/socket.c:1437 sock_create net/socket.c:1488 [inline] __sys_socket+0xec/0x190 net/socket.c:1530 __do_sys_socket net/socket.c:1539 [inline] __se_sys_socket net/socket.c:1537 [inline] __x64_sys_socket+0x7a/0x90 net/socket.c:1537 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff8881220d0800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 984 bytes inside of 1024-byte region [ffff8881220d0800, ffff8881220d0c00) The buggy address belongs to the page: page:ffffea0004883400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1220d0 head:ffffea0004883400 order:3 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head) raw: 4000000000010200 ffffea0004883200 0000000700000007 ffff888100042f00 raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 986, ts 44317282646, free_ts 44027712846 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_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] __kmalloc_track_caller+0x1e4/0x310 mm/slub.c:4541 __kmalloc_reserve net/core/skbuff.c:144 [inline] __alloc_skb+0xdc/0x520 net/core/skbuff.c:212 alloc_skb include/linux/skbuff.h:1126 [inline] nlmsg_new include/net/netlink.h:953 [inline] __neigh_notify+0x83/0x130 net/core/neighbour.c:3374 neigh_cleanup_and_release+0x2c/0x1a0 net/core/neighbour.c:102 neigh_flush_dev+0x624/0x810 net/core/neighbour.c:375 __neigh_ifdown+0x3f/0x380 net/core/neighbour.c:392 neigh_ifdown+0x1f/0x30 net/core/neighbour.c:409 rt6_disable_ip+0x609/0x690 net/ipv6/route.c:4800 addrconf_ifdown+0x144/0x1890 net/ipv6/addrconf.c:3787 addrconf_notify+0x3bd/0xea0 net/ipv6/addrconf.c:-1 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 mm/page_alloc.c:3391 [inline] free_the_page mm/page_alloc.c:5443 [inline] __free_pages+0x146/0x390 mm/page_alloc.c:5454 __vunmap+0x801/0x980 mm/vmalloc.c:2307 __vfree mm/vmalloc.c:2356 [inline] vfree+0x61/0x90 mm/vmalloc.c:2387 kcov_put kernel/kcov.c:408 [inline] kcov_close+0x2b/0x50 kernel/kcov.c:510 __fput+0x2dc/0x730 fs/file_table.c:281 ____fput+0x15/0x20 fs/file_table.c:314 task_work_run+0x127/0x190 kernel/task_work.c:189 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0xa7c/0x24e0 kernel/exit.c:873 do_group_exit+0x149/0x310 kernel/exit.c:987 __do_sys_exit_group kernel/exit.c:998 [inline] __se_sys_exit_group kernel/exit.c:996 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:996 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Memory state around the buggy address: ffff8881220d0a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8881220d0b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8881220d0b80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ^ ffff8881220d0c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8881220d0c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ================================================================== F2FS-fs (loop7): sanity_check_inode: inode (ino=4) has corrupted i_inline_xattr_size: 0, min: 6, max: 903