netlink: 256 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 25 bytes leftover after parsing attributes in process `syz-executor.0'. BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 24346 Comm: syz-executor.5 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 add_chain_cache kernel/locking/lockdep.c:2303 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:2415 [inline] validate_chain kernel/locking/lockdep.c:2435 [inline] __lock_acquire.cold+0x19a/0x97c kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:152 perf_ctx_lock kernel/events/core.c:163 [inline] perf_event_context_sched_in kernel/events/core.c:3266 [inline] __perf_event_task_sched_in+0x43d/0x8c0 kernel/events/core.c:3324 perf_event_task_sched_in include/linux/perf_event.h:1087 [inline] finish_task_switch+0x3c9/0x610 kernel/sched/core.c:2664 context_switch kernel/sched/core.c:2811 [inline] __schedule+0x893/0x1de0 kernel/sched/core.c:3384 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3611 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:4001 RSP: 0018:ffff888069127678 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff11e1259 RBX: ffff8880a93946c0 RCX: b4919eee284b7c19 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffffffff88f77800 R08: 0000000000000000 R09: 0000000000020012 R10: ffff8880a9394fe8 R11: ffff8880a93946c0 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:629 [inline] ext4_get_group_desc+0x10d/0x430 fs/ext4/balloc.c:294 __ext4_get_inode_loc+0x178/0xf30 fs/ext4/inode.c:4515 ext4_get_inode_loc fs/ext4/inode.c:4641 [inline] ext4_reserve_inode_write+0xd9/0x230 fs/ext4/inode.c:5802 ext4_mark_inode_dirty+0x12f/0x7a0 fs/ext4/inode.c:5969 ext4_dirty_inode+0x6c/0x90 fs/ext4/inode.c:6008 __mark_inode_dirty+0x11e/0x1040 fs/fs-writeback.c:2148 mark_inode_dirty include/linux/fs.h:2024 [inline] ext4_setattr+0xa06/0x22f0 fs/ext4/inode.c:5582 notify_change+0x56b/0xd10 fs/attr.c:313 ovl_set_timestamps.isra.0+0xdd/0x130 fs/overlayfs/copy_up.c:209 ovl_do_copy_up fs/overlayfs/copy_up.c:581 [inline] ovl_copy_up_one+0x7e8/0x910 fs/overlayfs/copy_up.c:638 ovl_copy_up_flags+0xd5/0x120 fs/overlayfs/copy_up.c:686 ovl_open_maybe_copy_up+0xe6/0x130 fs/overlayfs/inode.c:346 ovl_d_real+0xbc/0x350 fs/overlayfs/super.c:88 d_real include/linux/dcache.h:587 [inline] vfs_truncate+0x4bb/0x680 fs/open.c:99 do_sys_truncate.part.0+0xdc/0xf0 fs/open.c:143 do_sys_truncate fs/open.c:137 [inline] SYSC_truncate fs/open.c:155 [inline] SyS_truncate+0x23/0x40 fs/open.c:153 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665d9 RSP: 002b:00007f92287f5188 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000340 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffe9d41f99f R14: 00007f92287f5300 R15: 0000000000022000 bridge0: port 3(veth21) entered blocking state bridge0: port 3(veth21) entered disabled state device veth21 entered promiscuous mode overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. caif:caif_disconnect_client(): nothing to disconnect caif:caif_disconnect_client(): nothing to disconnect overlayfs: fs on './file0' does not support file handles, falling back to index=off. caif:caif_disconnect_client(): nothing to disconnect overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. caif:caif_disconnect_client(): nothing to disconnect overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. caif:caif_disconnect_client(): nothing to disconnect audit: type=1804 audit(1620916340.004:39246): pid=24541 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/800/bus" dev="sda1" ino=14005 res=1 audit: type=1804 audit(1620916340.034:39247): pid=24541 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/800/bus" dev="sda1" ino=14005 res=1 audit: type=1804 audit(1620916340.034:39248): pid=24541 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/800/bus" dev="sda1" ino=14005 res=1 audit: type=1804 audit(1620916340.314:39249): pid=24541 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/800/bus" dev="sda1" ino=14005 res=1 GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog audit: type=1804 audit(1620916340.384:39250): pid=24553 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/800/bus" dev="sda1" ino=14005 res=1 audit: type=1804 audit(1620916340.384:39251): pid=24550 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/800/bus" dev="sda1" ino=14005 res=1 audit: type=1804 audit(1620916341.024:39252): pid=24575 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/801/bus" dev="sda1" ino=14278 res=1 audit: type=1804 audit(1620916341.054:39253): pid=24575 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/801/bus" dev="sda1" ino=14278 res=1 GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog audit: type=1804 audit(1620916341.064:39254): pid=24575 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/801/bus" dev="sda1" ino=14278 res=1 audit: type=1804 audit(1620916342.134:39255): pid=24624 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir010772366/syzkaller.io7iUZ/802/bus" dev="sda1" ino=14278 res=1 GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. kauditd_printk_skb: 25 callbacks suppressed audit: type=1804 audit(1620916345.444:39281): pid=24751 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir283935275/syzkaller.dJFWIT/1417/file0" dev="sda1" ino=14613 res=1 GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 116 bytes leftover after parsing attributes in process `syz-executor.3'. device batadv0 entered promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode netlink: 116 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. device batadv0 entered promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode device batadv0 entered promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode netlink: 116 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. device batadv0 entered promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode device batadv0 entered promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode netlink: 116 bytes leftover after parsing attributes in process `syz-executor.2'. netlink: 116 bytes leftover after parsing attributes in process `syz-executor.3'. device batadv0 entered promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 entered promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode lo: Cannot use loopback or non-ethernet device as HSR slave.