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905b2032fa
If tbl_mpp can not be allocated, we call mesh_table_free(tbl_path)
while tbl_path rhashtable has not yet been initialized, which causes
panics.
Simply factorize the rhashtable_init() call into mesh_table_alloc()
WARNING: CPU: 1 PID: 8474 at kernel/workqueue.c:3040 __flush_work kernel/workqueue.c:3040 [inline]
WARNING: CPU: 1 PID: 8474 at kernel/workqueue.c:3040 __cancel_work_timer+0x514/0x540 kernel/workqueue.c:3136
Modules linked in:
CPU: 1 PID: 8474 Comm: syz-executor663 Not tainted 5.10.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__flush_work kernel/workqueue.c:3040 [inline]
RIP: 0010:__cancel_work_timer+0x514/0x540 kernel/workqueue.c:3136
Code: 5d c3 e8 bf ae 29 00 0f 0b e9 f0 fd ff ff e8 b3 ae 29 00 0f 0b 43 80 3c 3e 00 0f 85 31 ff ff ff e9 34 ff ff ff e8 9c ae 29 00 <0f> 0b e9 dc fe ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 7d fd ff
RSP: 0018:ffffc9000165f5a0 EFLAGS: 00010293
RAX: ffffffff814b7064 RBX: 0000000000000001 RCX: ffff888021c80000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff888024039ca0 R08: dffffc0000000000 R09: fffffbfff1dd3e64
R10: fffffbfff1dd3e64 R11: 0000000000000000 R12: 1ffff920002cbebd
R13: ffff888024039c88 R14: 1ffff11004807391 R15: dffffc0000000000
FS: 0000000001347880(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000140 CR3: 000000002cc0a000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rhashtable_free_and_destroy+0x25/0x9c0 lib/rhashtable.c:1137
mesh_table_free net/mac80211/mesh_pathtbl.c:69 [inline]
mesh_pathtbl_init+0x287/0x2e0 net/mac80211/mesh_pathtbl.c:785
ieee80211_mesh_init_sdata+0x2ee/0x530 net/mac80211/mesh.c:1591
ieee80211_setup_sdata+0x733/0xc40 net/mac80211/iface.c:1569
ieee80211_if_add+0xd5c/0x1cd0 net/mac80211/iface.c:1987
ieee80211_add_iface+0x59/0x130 net/mac80211/cfg.c:125
rdev_add_virtual_intf net/wireless/rdev-ops.h:45 [inline]
nl80211_new_interface+0x563/0xb40 net/wireless/nl80211.c:3855
genl_family_rcv_msg_doit net/netlink/genetlink.c:739 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]
genl_rcv_msg+0xe4e/0x1280 net/netlink/genetlink.c:800
netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2494
genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
netlink_unicast+0x780/0x930 net/netlink/af_netlink.c:1330
netlink_sendmsg+0x9a8/0xd40 net/netlink/af_netlink.c:1919
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg net/socket.c:671 [inline]
____sys_sendmsg+0x519/0x800 net/socket.c:2353
___sys_sendmsg net/socket.c:2407 [inline]
__sys_sendmsg+0x2b1/0x360 net/socket.c:2440
do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fixes:
|
||
|---|---|---|
| .. | ||
| aead_api.c | ||
| aead_api.h | ||
| aes_ccm.h | ||
| aes_cmac.c | ||
| aes_cmac.h | ||
| aes_gcm.h | ||
| aes_gmac.c | ||
| aes_gmac.h | ||
| agg-rx.c | ||
| agg-tx.c | ||
| airtime.c | ||
| cfg.c | ||
| chan.c | ||
| debug.h | ||
| debugfs_key.c | ||
| debugfs_key.h | ||
| debugfs_netdev.c | ||
| debugfs_netdev.h | ||
| debugfs_sta.c | ||
| debugfs_sta.h | ||
| debugfs.c | ||
| debugfs.h | ||
| driver-ops.c | ||
| driver-ops.h | ||
| ethtool.c | ||
| fils_aead.c | ||
| fils_aead.h | ||
| he.c | ||
| ht.c | ||
| ibss.c | ||
| ieee80211_i.h | ||
| iface.c | ||
| Kconfig | ||
| key.c | ||
| key.h | ||
| led.c | ||
| led.h | ||
| main.c | ||
| Makefile | ||
| mesh_hwmp.c | ||
| mesh_pathtbl.c | ||
| mesh_plink.c | ||
| mesh_ps.c | ||
| mesh_sync.c | ||
| mesh.c | ||
| mesh.h | ||
| michael.c | ||
| michael.h | ||
| mlme.c | ||
| ocb.c | ||
| offchannel.c | ||
| pm.c | ||
| rate.c | ||
| rate.h | ||
| rc80211_minstrel_debugfs.c | ||
| rc80211_minstrel_ht_debugfs.c | ||
| rc80211_minstrel_ht.c | ||
| rc80211_minstrel_ht.h | ||
| rc80211_minstrel.c | ||
| rc80211_minstrel.h | ||
| rx.c | ||
| s1g.c | ||
| scan.c | ||
| spectmgmt.c | ||
| sta_info.c | ||
| sta_info.h | ||
| status.c | ||
| tdls.c | ||
| tkip.c | ||
| tkip.h | ||
| trace_msg.h | ||
| trace.c | ||
| trace.h | ||
| tx.c | ||
| util.c | ||
| vht.c | ||
| wep.c | ||
| wep.h | ||
| wme.c | ||
| wme.h | ||
| wpa.c | ||
| wpa.h | ||