================================================================== BUG: KASAN: double-free in slab_free mm/slub.c:3801 [inline] BUG: KASAN: double-free in __kmem_cache_free+0xb8/0x2f0 mm/slub.c:3814 Free of addr ffff888053b13a00 by task kswapd0/112 CPU: 1 PID: 112 Comm: kswapd0 Not tainted 6.5.0-rc7-syzkaller-00168-g7d2f353b2682 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc4/0x620 mm/kasan/report.c:475 kasan_report_invalid_free+0xab/0xd0 mm/kasan/report.c:550 ____kasan_slab_free+0x183/0x1b0 mm/kasan/common.c:225 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1792 [inline] slab_free_freelist_hook+0x10b/0x1e0 mm/slub.c:1818 slab_free mm/slub.c:3801 [inline] __kmem_cache_free+0xb8/0x2f0 mm/slub.c:3814 hfs_release_folio+0x431/0x570 fs/hfs/inode.c:123 filemap_release_folio+0x143/0x1b0 mm/filemap.c:4079 shrink_folio_list+0x2e7a/0x3d40 mm/vmscan.c:2068 evict_folios+0x6bc/0x18f0 mm/vmscan.c:5183 try_to_shrink_lruvec+0x769/0xb00 mm/vmscan.c:5359 shrink_one+0x45f/0x700 mm/vmscan.c:5403 shrink_many mm/vmscan.c:5457 [inline] lru_gen_shrink_node mm/vmscan.c:5574 [inline] shrink_node+0x20c2/0x3740 mm/vmscan.c:6514 kswapd_shrink_node mm/vmscan.c:7319 [inline] balance_pgdat+0xa37/0x1b90 mm/vmscan.c:7509 kswapd+0x5be/0xbf0 mm/vmscan.c:7769 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Allocated by task 19404: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:196 [inline] __do_kmalloc_node mm/slab_common.c:985 [inline] __kmalloc+0x5d/0x100 mm/slab_common.c:998 kmalloc include/linux/slab.h:586 [inline] kzalloc include/linux/slab.h:703 [inline] __hfs_bnode_create+0x108/0x850 fs/hfs/bnode.c:259 hfs_bnode_find+0x2cf/0xcb0 fs/hfs/bnode.c:335 hfs_brec_find+0x2af/0x510 fs/hfs/bfind.c:126 hfs_brec_read+0x26/0x120 fs/hfs/bfind.c:165 hfs_lookup+0x205/0x320 fs/hfs/dir.c:32 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3470 open_last_lookups fs/namei.c:3560 [inline] path_openat+0x931/0x29c0 fs/namei.c:3790 do_filp_open+0x1de/0x430 fs/namei.c:3820 do_sys_openat2+0x176/0x1e0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_compat_sys_openat fs/open.c:1482 [inline] __se_compat_sys_openat fs/open.c:1480 [inline] __ia32_compat_sys_openat+0x16e/0x200 fs/open.c:1480 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Freed by task 5179: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x15e/0x1b0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:162 [inline] slab_free_hook mm/slub.c:1792 [inline] slab_free_freelist_hook+0x10b/0x1e0 mm/slub.c:1818 slab_free mm/slub.c:3801 [inline] __kmem_cache_free+0xb8/0x2f0 mm/slub.c:3814 hfs_btree_close+0xac/0x390 fs/hfs/btree.c:154 hfs_mdb_put+0xbf/0x380 fs/hfs/mdb.c:360 generic_shutdown_super+0x158/0x480 fs/super.c:499 kill_block_super+0x64/0xb0 fs/super.c:1417 deactivate_locked_super+0x9a/0x170 fs/super.c:330 deactivate_super+0xde/0x100 fs/super.c:361 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:297 __do_fast_syscall_32+0x6d/0xe0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Last potentially related work creation: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492 insert_work+0x4a/0x330 kernel/workqueue.c:1556 __queue_work+0x5f5/0x1040 kernel/workqueue.c:1717 queue_work_on+0xed/0x110 kernel/workqueue.c:1747 queue_work include/linux/workqueue.h:506 [inline] netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:659 [inline] netdevice_event+0x6be/0x9a0 drivers/infiniband/core/roce_gid_mgmt.c:802 notifier_call_chain+0xb6/0x3b0 kernel/notifier.c:93 call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1962 call_netdevice_notifiers_extack net/core/dev.c:2000 [inline] call_netdevice_notifiers net/core/dev.c:2014 [inline] dev_open net/core/dev.c:1483 [inline] dev_open+0x13c/0x150 net/core/dev.c:1471 bond_enslave+0xa36/0x5d00 drivers/net/bonding/bond_main.c:2003 do_set_master+0x1bc/0x220 net/core/rtnetlink.c:2675 rtnl_newlink_create net/core/rtnetlink.c:3503 [inline] __rtnl_newlink+0x14e8/0x1940 net/core/rtnetlink.c:3706 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3719 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6445 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x539/0x800 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x93c/0xe30 net/netlink/af_netlink.c:1914 sock_sendmsg_nosec net/socket.c:725 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:748 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2494 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2548 __sys_sendmsg+0x117/0x1e0 net/socket.c:2577 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 The buggy address belongs to the object at ffff888053b13a00 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 0 bytes inside of 192-byte region [ffff888053b13a00, ffff888053b13ac0) The buggy address belongs to the physical page: page:ffffea00014ec4c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x53b13 anon flags: 0x4fff00000000200(slab|node=1|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 04fff00000000200 ffff888012842a00 ffffea0000942600 dead000000000005 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 5473, tgid 5472 (syz-executor.2), ts 119158434073, free_ts 113776281535 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2d2/0x350 mm/page_alloc.c:1570 prep_new_page mm/page_alloc.c:1577 [inline] get_page_from_freelist+0x10a9/0x31e0 mm/page_alloc.c:3221 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4477 __alloc_pages_node include/linux/gfp.h:237 [inline] alloc_slab_page mm/slub.c:1864 [inline] allocate_slab+0xa1/0x380 mm/slub.c:2009 new_slab mm/slub.c:2062 [inline] ___slab_alloc+0x8bc/0x1570 mm/slub.c:3215 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3314 __slab_alloc_node mm/slub.c:3367 [inline] slab_alloc_node mm/slub.c:3460 [inline] __kmem_cache_alloc_node+0x137/0x350 mm/slub.c:3509 __do_kmalloc_node mm/slab_common.c:984 [inline] __kmalloc_node+0x4f/0x100 mm/slab_common.c:992 kmalloc_array_node include/linux/slab.h:680 [inline] kcalloc_node include/linux/slab.h:685 [inline] memcg_alloc_slab_cgroups+0xa9/0x170 mm/memcontrol.c:2899 memcg_slab_post_alloc_hook+0xaa/0x390 mm/slab.h:530 slab_post_alloc_hook mm/slab.h:770 [inline] slab_alloc_node mm/slub.c:3470 [inline] slab_alloc mm/slub.c:3478 [inline] __kmem_cache_alloc_lru mm/slub.c:3485 [inline] kmem_cache_alloc_lru+0x24c/0x630 mm/slub.c:3501 __d_alloc+0x32/0xac0 fs/dcache.c:1769 d_alloc+0x4e/0x220 fs/dcache.c:1849 d_alloc_parallel+0xe9/0x15f0 fs/dcache.c:2638 __lookup_slow+0x194/0x450 fs/namei.c:1675 lookup_one_len+0x17d/0x1b0 fs/namei.c:2742 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1161 [inline] free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443 qlink_free mm/kasan/quarantine.c:166 [inline] qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:186 [inline] slab_post_alloc_hook mm/slab.h:762 [inline] slab_alloc_node mm/slub.c:3470 [inline] __kmem_cache_alloc_node+0x19b/0x350 mm/slub.c:3509 kmalloc_trace+0x25/0xe0 mm/slab_common.c:1076 kmalloc include/linux/slab.h:582 [inline] kzalloc include/linux/slab.h:703 [inline] ref_tracker_alloc+0x17c/0x5a0 lib/ref_tracker.c:203 __netdev_tracker_alloc include/linux/netdevice.h:4077 [inline] netdev_hold include/linux/netdevice.h:4106 [inline] netdev_hold include/linux/netdevice.h:4101 [inline] rx_queue_add_kobject net/core/net-sysfs.c:1084 [inline] net_rx_queue_update_kobjects+0x27f/0x5e0 net/core/net-sysfs.c:1142 register_queue_kobjects net/core/net-sysfs.c:1802 [inline] netdev_register_kobject+0x274/0x3f0 net/core/net-sysfs.c:2047 register_netdevice+0xd4c/0x1630 net/core/dev.c:10051 veth_newlink+0x36a/0xa10 drivers/net/veth.c:1905 rtnl_newlink_create net/core/rtnetlink.c:3486 [inline] __rtnl_newlink+0x1177/0x1940 net/core/rtnetlink.c:3706 rtnl_newlink+0x67/0xa0 net/core/rtnetlink.c:3719 rtnetlink_rcv_msg+0x439/0xd30 net/core/rtnetlink.c:6445 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2549 Memory state around the buggy address: ffff888053b13900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888053b13980: 04 fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff888053b13a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888053b13a80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff888053b13b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================