[ 400.044186][ T33] audit: type=1804 audit(1617504703.822:25630): pid=32369 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir899988186/syzkaller.BV9mIm/2174/bus/file1" dev="overlay" ino=14004 res=1 [ 400.073914][T32492] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.121716][T32503] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.124141][T32502] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.135216][T32504] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.156567][ T33] audit: type=1804 audit(1617504703.932:25631): pid=32376 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir396514727/syzkaller.FM9Urd/2179/bus/file1" dev="overlay" ino=13925 res=1 [ 400.162679][T32507] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.199308][T32512] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.219239][T32516] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.245023][ T33] audit: type=1804 audit(1617504703.972:25632): pid=32378 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir529666673/syzkaller.kwoclt/2192/bus/file1" dev="overlay" ino=13940 res=1 [ 400.310575][T32530] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.324289][T32531] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.328022][T32533] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 400.337885][ T33] audit: type=1804 audit(1617504703.972:25633): pid=32380 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir899988186/syzkaller.BV9mIm/2175/bus/file1" dev="overlay" ino=13980 res=1 [ 400.376593][T32532] overlayfs: upperdir is in-use by another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 401.506484][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 401.514954][T10516] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 401.523068][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 401.530844][T10516] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 401.539177][T10516] device bridge_slave_1 left promiscuous mode [ 401.545566][T10516] bridge0: port 2(bridge_slave_1) entered disabled state [ 401.553228][T10516] device bridge_slave_0 left promiscuous mode [ 401.560947][T10516] bridge0: port 1(bridge_slave_0) entered disabled state [ 401.570242][T10516] device veth1_macvtap left promiscuous mode [ 401.576954][T10516] device veth0_macvtap left promiscuous mode [ 401.583122][T10516] device veth1_vlan left promiscuous mode [ 401.589638][T10516] device veth0_vlan left promiscuous mode [ 402.321266][T10516] device hsr_slave_0 left promiscuous mode [ 402.327663][T10516] device hsr_slave_1 left promiscuous mode [ 402.339885][T10516] team0 (unregistering): Port device team_slave_1 removed [ 402.349367][T10516] team0 (unregistering): Port device team_slave_0 removed [ 402.358837][T10516] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 402.369772][T10516] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 402.387361][T10516] bond0 (unregistering): Released all slaves [ 404.767676][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 404.775423][T10516] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 404.782994][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 404.791360][T10516] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 404.799784][T10516] device bridge_slave_1 left promiscuous mode [ 404.806382][T10516] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.814365][T10516] device bridge_slave_0 left promiscuous mode [ 404.820837][T10516] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.829855][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 404.838400][T10516] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 404.846549][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 404.854522][T10516] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 404.862629][T10516] device bridge_slave_1 left promiscuous mode [ 404.869401][T10516] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.877574][T10516] device bridge_slave_0 left promiscuous mode [ 404.884236][T10516] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.893941][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 404.901762][T10516] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 404.909835][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 404.918115][T10516] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 404.926494][T10516] device bridge_slave_1 left promiscuous mode [ 404.932887][T10516] bridge0: port 2(bridge_slave_1) entered disabled state [ 404.940993][T10516] device bridge_slave_0 left promiscuous mode [ 404.947601][T10516] bridge0: port 1(bridge_slave_0) entered disabled state [ 404.956585][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 404.964461][T10516] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 404.972722][T10516] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 404.980680][T10516] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 404.988778][T10425] kasan: CONFIG_KASAN_INLINE enabled [ 404.994918][T10425] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 405.003771][T10425] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 405.011437][T10425] CPU: 0 PID: 10425 Comm: kworker/u4:5 Not tainted 5.3.0-rc3-syzkaller #0 [ 405.020586][T10425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.030787][T10425] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 405.038773][T10425] RIP: 0010:batadv_iv_ogm_queue_add+0x9b/0xec0 [ 405.045588][T10425] Code: 44 89 8d 64 ff ff ff c7 02 f1 f1 f1 f1 c7 42 04 04 f2 f2 f2 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4d d0 31 c9 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 cb 0b 00 00 [ 405.066580][T10425] RSP: 0018:ffff8880b15f7ac0 EFLAGS: 00010246 [ 405.072873][T10425] RAX: dffffc0000000000 RBX: ffff888097c8ed00 RCX: 0000000000000000 [ 405.081751][T10425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 405.090464][T10425] RBP: ffff8880b15f7bd8 R08: ffff888097c8ed00 R09: 0000000000000001 [ 405.098623][T10425] R10: ffffed10162bef8f R11: 0000000000000003 R12: ffff888097c8ed00 [ 405.107016][T10425] R13: dffffc0000000000 R14: ffff8880a5ce8b40 R15: 000000000000003c [ 405.115402][T10425] FS: 0000000000000000(0000) GS:ffff8880ba200000(0000) knlGS:0000000000000000 [ 405.124509][T10425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 405.131075][T10425] CR2: 00007f3732e85000 CR3: 00000000a3df7000 CR4: 00000000001406f0 [ 405.139414][T10425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 405.147564][T10425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 405.155606][T10425] Call Trace: [ 405.159022][T10425] ? mark_held_locks+0x130/0x130 [ 405.164220][T10425] ? __local_bh_enable_ip+0x11e/0x1c0 [ 405.169694][T10425] ? batadv_iv_ogm_schedule+0x622/0xe80 [ 405.175319][T10425] ? lock_downgrade+0x710/0x710 [ 405.180358][T10425] ? batadv_iv_ogm_iface_disable+0x70/0x70 [ 405.186143][T10425] ? lock_acquire+0x12a/0x300 [ 405.190990][T10425] ? batadv_iv_ogm_schedule+0x916/0xe80 [ 405.196647][T10425] batadv_iv_ogm_schedule+0xb47/0xe80 [ 405.202443][T10425] ? batadv_iv_ogm_queue_add+0xec0/0xec0 [ 405.208628][T10425] ? process_one_work+0x6fc/0x1560 [ 405.214469][T10425] ? lock_downgrade+0x710/0x710 [ 405.219397][T10425] batadv_iv_send_outstanding_bat_ogm_packet+0x54c/0x780 [ 405.226674][T10425] ? process_one_work+0x71b/0x1560 [ 405.232150][T10425] ? trace_hardirqs_on+0x28/0x1b0 [ 405.237409][T10425] process_one_work+0x7d2/0x1560 [ 405.242605][T10425] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 405.248435][T10425] ? lock_acquire+0x12a/0x300 [ 405.253452][T10425] ? _raw_spin_lock_irq+0xe/0x50 [ 405.258378][T10425] worker_thread+0x85/0xb60 [ 405.262867][T10425] ? __kthread_parkme+0x47/0x1a0 [ 405.268913][T10425] kthread+0x331/0x3f0 [ 405.273431][T10425] ? process_one_work+0x1560/0x1560 [ 405.279651][T10425] ? kthread_park+0x120/0x120 [ 405.284668][T10425] ret_from_fork+0x24/0x30 [ 405.290047][T10425] Modules linked in: [ 405.294591][T10425] ---[ end trace a95b82a1ec97a07a ]--- [ 405.300084][T10425] RIP: 0010:batadv_iv_ogm_queue_add+0x9b/0xec0 [ 405.306480][T10425] Code: 44 89 8d 64 ff ff ff c7 02 f1 f1 f1 f1 c7 42 04 04 f2 f2 f2 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4d d0 31 c9 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 cb 0b 00 00 [ 405.326906][T10425] RSP: 0018:ffff8880b15f7ac0 EFLAGS: 00010246 [ 405.333323][T10425] RAX: dffffc0000000000 RBX: ffff888097c8ed00 RCX: 0000000000000000 [ 405.342200][T10425] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 405.351307][T10425] RBP: ffff8880b15f7bd8 R08: ffff888097c8ed00 R09: 0000000000000001 [ 405.360502][T10425] R10: ffffed10162bef8f R11: 0000000000000003 R12: ffff888097c8ed00 [ 405.369904][T10425] R13: dffffc0000000000 R14: ffff8880a5ce8b40 R15: 000000000000003c [ 405.378568][T10425] FS: 0000000000000000(0000) GS:ffff8880ba200000(0000) knlGS:0000000000000000 [ 405.387826][T10425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 405.395051][T10425] CR2: 00007f3732e85000 CR3: 00000000b35fe000 CR4: 00000000001406f0 [ 405.403137][T10425] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 405.411884][T10425] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 405.420491][T10425] Kernel panic - not syncing: Fatal exception [ 405.428101][T10425] Kernel Offset: disabled [ 405.432739][T10425] Rebooting in 86400 seconds..