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BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: null-ptr-deref in test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:70 [inline]
BUG: KASAN: null-ptr-deref in try_to_grab_pending.part.0+0x26/0x770 kernel/workqueue.c:1276
Write of size 8 at addr 0000000000000088 by task syz-executor.1/11594

CPU: 0 PID: 11594 Comm: syz-executor.1 Not tainted 5.16.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:437 [inline]
 kasan_report.cold+0x66/0xdf mm/kasan/report.c:450
 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]
 test_and_set_bit include/asm-generic/bitops/instrumented-atomic.h:70 [inline]
 try_to_grab_pending.part.0+0x26/0x770 kernel/workqueue.c:1276
 try_to_grab_pending+0xa1/0xd0 kernel/workqueue.c:1333
 __cancel_work_timer+0xa6/0x570 kernel/workqueue.c:3130
 rhashtable_free_and_destroy+0x29/0x920 lib/rhashtable.c:1137
 mesh_table_free net/mac80211/mesh_pathtbl.c:73 [inline]
 mesh_pathtbl_unregister+0x42/0xa0 net/mac80211/mesh_pathtbl.c:815
 ieee80211_teardown_sdata net/mac80211/iface.c:721 [inline]
 ieee80211_uninit+0x7e/0x90 net/mac80211/iface.c:726
 unregister_netdevice_many+0xc83/0x1790 net/core/dev.c:11097
 unregister_netdevice_queue+0x2dd/0x3c0 net/core/dev.c:11014
 unregister_netdevice include/linux/netdevice.h:2989 [inline]
 _cfg80211_unregister_wdev+0x483/0x770 net/wireless/core.c:1136
 ieee80211_if_remove+0x1df/0x380 net/mac80211/iface.c:2117
 ieee80211_del_iface+0x12/0x20 net/mac80211/cfg.c:175
 rdev_del_virtual_intf net/wireless/rdev-ops.h:57 [inline]
 cfg80211_destroy_ifaces+0x2ff/0x840 net/wireless/core.c:354
 nl80211_new_interface+0x97/0x1170 net/wireless/nl80211.c:4098
 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731
 genl_family_rcv_msg net/netlink/genetlink.c:775 [inline]
 genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:792
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2496
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x904/0xdf0 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2409
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2463
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2492
 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: 0033:0x7f20900c5af9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f208f03b188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f20901d8f60 RCX: 00007f20900c5af9
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003
RBP: 00007f208f03b1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffd25498f1f R14: 00007f208f03b300 R15: 0000000000022000
 </TASK>
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