==================================================================
BUG: KASAN: use-after-free in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: use-after-free in atomic_add_unless include/linux/atomic/atomic-instrumented.h:607 [inline]
BUG: KASAN: use-after-free in _atomic_dec_and_lock_irqsave+0x27/0x150 lib/dec_and_lock.c:41
Write of size 4 at addr ffff888014fa131c by task syz-executor.3/6963

CPU: 0 PID: 6963 Comm: syz-executor.3 Not tainted 5.16.0-rc8-next-20220110-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xa5/0x3e0 mm/kasan/report.c:255
 __kasan_report mm/kasan/report.c:442 [inline]
 kasan_report.cold+0x83/0xdf mm/kasan/report.c:459
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
 atomic_add_unless include/linux/atomic/atomic-instrumented.h:607 [inline]
 _atomic_dec_and_lock_irqsave+0x27/0x150 lib/dec_and_lock.c:41
 put_ucounts+0x73/0x1c0 kernel/ucount.c:206
 put_cred_rcu+0x27a/0x520 kernel/cred.c:124
 rcu_do_batch kernel/rcu/tree.c:2536 [inline]
 rcu_core+0x7b8/0x1540 kernel/rcu/tree.c:2787
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:memset_erms+0x9/0x10 arch/x86/lib/memset_64.S:64
Code: c1 e9 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 <f3> aa 4c 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01
RSP: 0018:ffffc900029af4b0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88804adc1000 RCX: 0000000000000180
RDX: 0000000000000200 RSI: 0000000000000000 RDI: ffffed10095b8280
RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10095b8200
R10: fffff94000256e0e R11: 0000000000000001 R12: 0000000000000000
R13: 0000000001100cca R14: 0000000000000001 R15: 0000000000000000
 kasan_unpoison mm/kasan/shadow.c:138 [inline]
 kasan_unpoison+0x40/0x70 mm/kasan/shadow.c:115
 kasan_unpoison_pages include/linux/kasan.h:170 [inline]
 post_alloc_hook+0x124/0x2e0 mm/page_alloc.c:2421
 prep_new_page mm/page_alloc.c:2434 [inline]
 get_page_from_freelist+0xa72/0x2f40 mm/page_alloc.c:4165
 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5381
 alloc_pages_vma+0xf9/0x770 mm/mempolicy.c:2232
 shmem_alloc_page+0x117/0x1e0 mm/shmem.c:1545
 shmem_alloc_and_acct_page+0x161/0x10b0 mm/shmem.c:1570
 shmem_getpage_gfp+0xb2d/0x23a0 mm/shmem.c:1868
 shmem_getpage mm/shmem.c:149 [inline]
 shmem_write_begin+0xff/0x1e0 mm/shmem.c:2437
 generic_perform_write+0x205/0x510 mm/filemap.c:3767
 __generic_file_write_iter+0x1c7/0x510 mm/filemap.c:3894
 generic_file_write_iter+0xd7/0x220 mm/filemap.c:3926
 call_write_iter include/linux/fs.h:2074 [inline]
 new_sync_write+0x431/0x660 fs/read_write.c:503
 vfs_write+0x7cd/0xae0 fs/read_write.c:590
 ksys_pwrite64 fs/read_write.c:697 [inline]
 __do_sys_pwrite64 fs/read_write.c:707 [inline]
 __se_sys_pwrite64 fs/read_write.c:704 [inline]
 __x64_sys_pwrite64+0x1fd/0x250 fs/read_write.c:704
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f8b13402e67
Code: 08 89 3c 24 48 89 4c 24 18 e8 e5 f8 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 48 8b 74 24 08 8b 3c 24 b8 12 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 04 24 e8 15 f9 ff ff 48 8b
RSP: 002b:00007f8b11dc4f00 EFLAGS: 00000293 ORIG_RAX: 0000000000000012
RAX: ffffffffffffffda RBX: 00007f8b134999c8 RCX: 00007f8b13402e67
RDX: 0000000000000066 RSI: 0000000020010000 RDI: 0000000000000004
RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000004
R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000
 </TASK>

Allocated by task 6949:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 ____kasan_kmalloc mm/kasan/common.c:515 [inline]
 ____kasan_kmalloc mm/kasan/common.c:474 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524
 kmalloc include/linux/slab.h:581 [inline]
 kzalloc include/linux/slab.h:715 [inline]
 alloc_ucounts+0x1c3/0x590 kernel/ucount.c:175
 set_cred_ucounts+0x163/0x320 kernel/cred.c:682
 copy_creds+0x708/0xb50 kernel/cred.c:373
 copy_process+0x1440/0x7300 kernel/fork.c:2034
 kernel_clone+0xe7/0xab0 kernel/fork.c:2557
 __do_sys_clone+0xc8/0x110 kernel/fork.c:2674
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Freed by task 3645:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:236 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1754
 slab_free mm/slub.c:3509 [inline]
 kfree+0xce/0x380 mm/slub.c:4562
 put_ucounts+0x153/0x1c0 kernel/ucount.c:209
 do_dec_rlimit_put_ucounts+0xfb/0x1a0 kernel/ucount.c:299
 __sigqueue_free kernel/signal.c:455 [inline]
 __sigqueue_free kernel/signal.c:450 [inline]
 flush_sigqueue+0x18e/0x280 kernel/signal.c:469
 __exit_signal kernel/exit.c:155 [inline]
 release_task+0xbd0/0x17e0 kernel/exit.c:200
 wait_task_zombie kernel/exit.c:1116 [inline]
 wait_consider_task+0x2fa6/0x3b80 kernel/exit.c:1343
 do_wait_thread kernel/exit.c:1406 [inline]
 do_wait+0x6ca/0xce0 kernel/exit.c:1523
 kernel_wait4+0x14c/0x260 kernel/exit.c:1686
 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1714
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Last potentially related work creation:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xbe/0xd0 mm/kasan/generic.c:348
 insert_work+0x48/0x370 kernel/workqueue.c:1368
 __queue_work+0x5ca/0xf30 kernel/workqueue.c:1534
 queue_work_on+0xee/0x110 kernel/workqueue.c:1562
 queue_work include/linux/workqueue.h:502 [inline]
 netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:659 [inline]
 netdevice_event+0x42f/0x8a0 drivers/infiniband/core/roce_gid_mgmt.c:802
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:84
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1919
 call_netdevice_notifiers_extack net/core/dev.c:1931 [inline]
 call_netdevice_notifiers net/core/dev.c:1945 [inline]
 unregister_netdevice_many+0x964/0x1850 net/core/dev.c:10408
 __rtnl_newlink+0x1430/0x1750 net/core/rtnetlink.c:3510
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3527
 rtnetlink_rcv_msg+0x413/0xb80 net/core/rtnetlink.c:5592
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2413
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2496
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

The buggy address belongs to the object at ffff888014fa1300
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 28 bytes inside of
 192-byte region [ffff888014fa1300, ffff888014fa13c0)
The buggy address belongs to the page:
page:ffffea000053e840 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888014fa1800 pfn:0x14fa1
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffffea00007853c0 dead000000000004 ffff888010c41a00
raw: ffff888014fa1800 000000008010000c 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 3645, ts 351203499432, free_ts 351203239011
 prep_new_page mm/page_alloc.c:2434 [inline]
 get_page_from_freelist+0xa72/0x2f40 mm/page_alloc.c:4165
 __alloc_pages+0x1b2/0x500 mm/page_alloc.c:5381
 __alloc_pages_node include/linux/gfp.h:568 [inline]
 alloc_slab_page mm/slub.c:1801 [inline]
 allocate_slab mm/slub.c:1944 [inline]
 new_slab+0xaf/0x380 mm/slub.c:2004
 ___slab_alloc+0x6be/0xd60 mm/slub.c:3018
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3105
 slab_alloc_node mm/slub.c:3196 [inline]
 __kmalloc_node+0x2cb/0x380 mm/slub.c:4468
 kmalloc_array_node include/linux/slab.h:677 [inline]
 kcalloc_node include/linux/slab.h:682 [inline]
 memcg_alloc_slab_cgroups+0x8b/0x140 mm/memcontrol.c:2834
 memcg_slab_post_alloc_hook+0xaa/0x480 mm/slab.h:522
 slab_post_alloc_hook mm/slab.h:745 [inline]
 slab_alloc_node mm/slub.c:3230 [inline]
 slab_alloc mm/slub.c:3238 [inline]
 kmem_cache_alloc+0x15c/0x3a0 mm/slub.c:3243
 __d_alloc+0x2a/0x950 fs/dcache.c:1769
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1898
 alloc_file_pseudo+0xc6/0x250 fs/file_table.c:256
 sock_alloc_file+0x4f/0x190 net/socket.c:463
 sock_map_fd net/socket.c:487 [inline]
 __sys_socket+0x13d/0x200 net/socket.c:1565
 __do_sys_socket net/socket.c:1570 [inline]
 __se_sys_socket net/socket.c:1568 [inline]
 __x64_sys_socket+0x6f/0xb0 net/socket.c:1568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1352 [inline]
 free_pcp_prepare+0x414/0xb60 mm/page_alloc.c:1404
 free_unref_page_prepare mm/page_alloc.c:3325 [inline]
 free_unref_page+0x19/0x690 mm/page_alloc.c:3404
 __vunmap+0x854/0xd30 mm/vmalloc.c:2637
 __vfree+0x3c/0xd0 mm/vmalloc.c:2685
 vfree+0x5a/0x90 mm/vmalloc.c:2716
 copy_entries_to_user net/ipv4/netfilter/arp_tables.c:713 [inline]
 get_entries net/ipv4/netfilter/arp_tables.c:867 [inline]
 do_arpt_get_ctl+0x7ac/0x8f0 net/ipv4/netfilter/arp_tables.c:1453
 nf_getsockopt+0x72/0xd0 net/netfilter/nf_sockopt.c:116
 ip_getsockopt net/ipv4/ip_sockglue.c:1786 [inline]
 ip_getsockopt+0x164/0x1c0 net/ipv4/ip_sockglue.c:1765
 tcp_getsockopt+0x86/0xd0 net/ipv4/tcp.c:4284
 __sys_getsockopt+0x21f/0x5f0 net/socket.c:2224
 __do_sys_getsockopt net/socket.c:2239 [inline]
 __se_sys_getsockopt net/socket.c:2236 [inline]
 __x64_sys_getsockopt+0xba/0x150 net/socket.c:2236
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae

Memory state around the buggy address:
 ffff888014fa1200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888014fa1280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888014fa1300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff888014fa1380: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888014fa1400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
   0:	c1 e9 03             	shr    $0x3,%ecx
   3:	40 0f b6 f6          	movzbl %sil,%esi
   7:	48 b8 01 01 01 01 01 	movabs $0x101010101010101,%rax
   e:	01 01 01
  11:	48 0f af c6          	imul   %rsi,%rax
  15:	f3 48 ab             	rep stos %rax,%es:(%rdi)
  18:	89 d1                	mov    %edx,%ecx
  1a:	f3 aa                	rep stos %al,%es:(%rdi)
  1c:	4c 89 c8             	mov    %r9,%rax
  1f:	c3                   	retq
  20:	90                   	nop
  21:	49 89 f9             	mov    %rdi,%r9
  24:	40 88 f0             	mov    %sil,%al
  27:	48 89 d1             	mov    %rdx,%rcx
* 2a:	f3 aa                	rep stos %al,%es:(%rdi) <-- trapping instruction
  2c:	4c 89 c8             	mov    %r9,%rax
  2f:	c3                   	retq
  30:	90                   	nop
  31:	49 89 fa             	mov    %rdi,%r10
  34:	40 0f b6 ce          	movzbl %sil,%ecx
  38:	48                   	rex.W
  39:	b8 01 01 01 01       	mov    $0x1010101,%eax
  3e:	01 01                	add    %eax,(%rcx)