smbdirect: ib_dev[] removed
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BUG: KASAN: invalid-free in release_gid_table drivers/infiniband/core/cache.c:804 [inline]
BUG: KASAN: invalid-free in gid_table_release_one+0x384/0x470 drivers/infiniband/core/cache.c:877
Free of addr ffff8880364cbad8 by task kworker/u8:7/1101

CPU: 1 UID: 0 PID: 1101 Comm: kworker/u8:7 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
Workqueue: ib-unreg-wq ib_unregister_work
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report_invalid_free+0xea/0x110 mm/kasan/report.c:557
 check_slab_allocation mm/kasan/common.c:-1 [inline]
 __kasan_slab_pre_free+0x104/0x120 mm/kasan/common.c:261
 kasan_slab_pre_free include/linux/kasan.h:199 [inline]
 slab_free_hook mm/slub.c:2634 [inline]
 slab_free mm/slub.c:6242 [inline]
 kfree+0x173/0x640 mm/slub.c:6557
 release_gid_table drivers/infiniband/core/cache.c:804 [inline]
 gid_table_release_one+0x384/0x470 drivers/infiniband/core/cache.c:877
 ib_device_release+0xd2/0x1c0 drivers/infiniband/core/device.c:482
 device_release+0xc4/0x1f0 drivers/base/core.c:-1
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x228/0x560 lib/kobject.c:737
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

Allocated by task 11914:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5292 [inline]
 __kmalloc_noprof+0x35c/0x760 mm/slub.c:5304
 kmalloc_noprof include/linux/slab.h:954 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 alloc_gid_table drivers/infiniband/core/cache.c:773 [inline]
 _gid_table_setup_one drivers/infiniband/core/cache.c:888 [inline]
 gid_table_setup_one drivers/infiniband/core/cache.c:916 [inline]
 ib_cache_setup_one+0x198/0x570 drivers/infiniband/core/cache.c:1606
 ib_register_device+0xfbd/0x13e0 drivers/infiniband/core/device.c:1426
 siw_device_register drivers/infiniband/sw/siw/siw_main.c:71 [inline]
 siw_newlink+0x8fe/0xde0 drivers/infiniband/sw/siw/siw_main.c:430
 nldev_newlink+0x5bc/0x650 drivers/infiniband/core/nldev.c:1812
 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline]
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x6d1/0xa10 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:786 [inline]
 __sock_sendmsg net/socket.c:801 [inline]
 ____sys_sendmsg+0x972/0x9f0 net/socket.c:2650
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2704
 __sys_sendmsg net/socket.c:2736 [inline]
 __do_sys_sendmsg net/socket.c:2741 [inline]
 __se_sys_sendmsg net/socket.c:2739 [inline]
 __x64_sys_sendmsg+0x1bd/0x2a0 net/socket.c:2739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880364cba00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 216 bytes inside of
 224-byte region [ffff8880364cba00, ffff8880364cbae0)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880364cb200 pfn:0x364ca
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000240 ffff88813fe34b40 ffffea0001fbf390 ffffea0000dcee10
raw: ffff8880364cb200 0000000800100004 00000000f5000000 0000000000000000
head: 00fff00000000240 ffff88813fe34b40 ffffea0001fbf390 ffffea0000dcee10
head: ffff8880364cb200 0000000800100004 00000000f5000000 0000000000000000
head: 00fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 7002, tgid 7001 (syz.0.269), ts 141771817389, free_ts 91254141512
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x231/0x280 mm/page_alloc.c:1858
 prep_new_page mm/page_alloc.c:1866 [inline]
 get_page_from_freelist+0x24ba/0x2540 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:5226
 alloc_slab_page mm/slub.c:3278 [inline]
 allocate_slab+0x77/0x660 mm/slub.c:3467
 new_slab mm/slub.c:3525 [inline]
 refill_objects+0x339/0x3d0 mm/slub.c:7247
 refill_sheaf mm/slub.c:2816 [inline]
 __pcs_replace_empty_main+0x321/0x720 mm/slub.c:4651
 alloc_from_pcs mm/slub.c:4749 [inline]
 slab_alloc_node mm/slub.c:4883 [inline]
 __do_kmalloc_node mm/slub.c:5291 [inline]
 __kmalloc_noprof+0x474/0x760 mm/slub.c:5304
 kmalloc_noprof include/linux/slab.h:954 [inline]
 kzalloc_noprof include/linux/slab.h:1188 [inline]
 hash_ipportip6_add+0x1a6f/0x23c0 net/netfilter/ipset/ip_set_hash_gen.h:950
 hash_ipportip6_uadt+0x76f/0xa30 net/netfilter/ipset/ip_set_hash_ipportip.c:346
 call_ad+0x18d/0xb60 net/netfilter/ipset/ip_set_core.c:1751
 ip_set_ad+0x824/0x9d0 net/netfilter/ipset/ip_set_core.c:1841
 nfnetlink_rcv_msg+0xc03/0x12c0 net/netfilter/nfnetlink.c:300
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 nfnetlink_rcv+0x2c0/0x27b0 net/netfilter/nfnetlink.c:667
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x80f/0x9b0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
page last free pid 5853 tgid 5853 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1402 [inline]
 __free_frozen_pages+0xbc7/0xd30 mm/page_alloc.c:2943
 __slab_free+0x274/0x2c0 mm/slub.c:5605
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4569 [inline]
 slab_alloc_node mm/slub.c:4898 [inline]
 kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4905
 alloc_filename fs/namei.c:142 [inline]
 do_getname+0x2e/0x250 fs/namei.c:182
 getname include/linux/fs.h:2520 [inline]
 class_filename_constructor include/linux/fs.h:2547 [inline]
 do_sys_openat2+0xca/0x200 fs/open.c:1363
 do_sys_open fs/open.c:1370 [inline]
 __do_sys_openat fs/open.c:1386 [inline]
 __se_sys_openat fs/open.c:1381 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1381
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff8880364cb980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880364cba00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8880364cba80: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc
                                                    ^
 ffff8880364cbb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880364cbb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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