batman_adv: batadv0: Interface activated: batadv_slave_1 Quota error (device loop5): qtree_write_dquot: Error -1224736762 occurred while creating quota wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 EXT4-fs error (device loop5): __ext4_new_inode:931: comm syz-executor.5: reserved inode found cleared - inode=1 IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready BUG: unable to handle kernel paging request at fffffbfff6e0001f wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IP: __read_once_size include/linux/compiler.h:183 [inline] IP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] IP: dqput.part.4+0x99/0x710 fs/quota/dquot.c:761 PGD 23ffec067 P4D 23ffec067 PUD 23ffeb067 PMD 0 device veth0_macvtap entered promiscuous mode Oops: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 7913 Comm: syz-executor.5 Not tainted 4.14.203-syzkaller #0 ieee80211 phy5: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809c73c0c0 task.stack: ffff88809d4e8000 RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline] RIP: 0010:atomic_read arch/x86/include/asm/atomic.h:27 [inline] RIP: 0010:dqput.part.4+0x99/0x710 fs/quota/dquot.c:761 RSP: 0018:ffff88809d4ef688 EFLAGS: 00010282 ieee80211 phy5: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static) RAX: ffffffff81a24409 RBX: ffffffffb7000006 RCX: ffff88809c73c948 RDX: 1ffffffff0fc2502 RSI: ffff88809c73c970 RDI: ffffffff87e12804 RBP: ffff88809d4ef6d8 R08: 00000000000022bc R09: ffffffff89548de0 R10: 0000000000000028 R11: ffff88809c73c0c0 R12: dffffc0000000000 R13: ffffffffb700011e R14: 0000000000000009 R15: fffffbfff6e0001f FS: 00007fbe3c065700(0000) GS:ffff8880ba800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff6e0001f CR3: 000000009e5d9000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dqput+0xe/0x20 fs/quota/dquot.c:745 IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready dqput_all fs/quota/dquot.c:391 [inline] __dquot_drop+0x122/0x170 fs/quota/dquot.c:1564 dquot_drop+0x132/0x1a0 fs/quota/dquot.c:1589 __ext4_new_inode+0xefa/0x47f0 fs/ext4/ialloc.c:1206 ieee80211 phy5: mac80211_hwsim_bss_info_changed(changed=0x40000 vif->addr=02:00:00:00:05:00) device veth1_macvtap entered promiscuous mode ext4_tmpfile+0x1f5/0x3a0 fs/ext4/namei.c:2558 ieee80211 phy5: TX Power: 20 dBm vfs_tmpfile+0x11d/0x250 fs/namei.c:3468 do_tmpfile fs/namei.c:3500 [inline] path_openat+0x173a/0x27a0 fs/namei.c:3552 IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready ieee80211 phy5: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:05:00) IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready do_filp_open+0x16b/0x220 fs/namei.c:3603 ieee80211 phy5: mac80211_hwsim_conf_tx (queue=0 txop=0 cw_min=15 cw_max=1023 aifs=2) ieee80211 phy5: mac80211_hwsim_conf_tx (queue=1 txop=0 cw_min=15 cw_max=1023 aifs=2) do_sys_open+0x1c2/0x340 fs/open.c:1081 IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready ieee80211 phy5: mac80211_hwsim_conf_tx (queue=2 txop=0 cw_min=15 cw_max=1023 aifs=2) SYSC_openat fs/open.c:1108 [inline] SyS_openat+0xf/0x20 fs/open.c:1102 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45de89 RSP: 002b:00007fbe3c064c78 EFLAGS: 00000246 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000022a40 RCX: 000000000045de89 RDX: 0000000000410481 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffde1511f2f R14: 00007fbe3c0659c0 R15: 000000000118bf2c Code: 48 8d 83 f8 00 00 00 49 89 c7 48 89 45 c8 83 e0 07 49 c1 ef 03 49 89 c6 ieee80211 phy5: mac80211_hwsim_conf_tx (queue=3 txop=0 cw_min=15 cw_max=1023 aifs=2) 4d 01 e7 41 83 c6 03 48 c7 c7 00 ieee80211 phy5: mac80211_hwsim_bss_info_changed(changed=0x2000 vif->addr=02:00:00:00:05:00) 28 e1 87 e8 87 e3 c8 04 <41> batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 0f b6 07 41 38 c6 7c 08 84 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! c0 0f 85 69 04 00 00 8b ieee80211 phy5: mac80211_hwsim_bss_info_changed(changed=0x8bfe vif->addr=02:00:00:00:05:00) 83 f8 00 RIP: __read_once_size include/linux/compiler.h:183 [inline] RSP: ffff88809d4ef688 RIP: atomic_read arch/x86/include/asm/atomic.h:27 [inline] RSP: ffff88809d4ef688 RIP: dqput.part.4+0x99/0x710 fs/quota/dquot.c:761 RSP: ffff88809d4ef688 CR2: fffffbfff6e0001f ---[ end trace 5bcb726eb2a1af63 ]---