RDX: 0000000000000140 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 0000000000000090 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 14873 Comm: syz-executor.1 Not tainted 4.14.231-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_save_flags arch/x86/include/asm/paravirt.h:774 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/paravirt.h:796 [inline] RIP: 0010:lock_is_held_type+0x5a/0x210 kernel/locking/lockdep.c:4032 RSP: 0018:ffff888038ccf0e8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: ffffffff88f092c0 RBX: ffff888096e12640 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff888096e12ec4 RBP: ffffffff88f77780 R08: ffffffff8b9c3a88 R09: 0000000000040518 R10: ffff888096e12ef0 R11: ffff888096e12640 R12: 00000000000001da R13: ffff8880b613c200 R14: dffffc0000000000 R15: ffff8880a01fd7e0 lock_is_held include/linux/lockdep.h:437 [inline] ___might_sleep+0x227/0x2b0 kernel/sched/core.c:6003 kernfs_drain fs/kernfs/dir.c:474 [inline] __kernfs_remove+0x596/0x920 fs/kernfs/dir.c:1293 kernfs_remove_by_name_ns+0x55/0x90 fs/kernfs/dir.c:1487 kernfs_remove_by_name include/linux/kernfs.h:529 [inline] remove_files+0x96/0x1c0 fs/sysfs/group.c:29 sysfs_remove_group+0x87/0x100 fs/sysfs/group.c:245 sysfs_remove_groups fs/sysfs/group.c:269 [inline] sysfs_remove_groups+0x5c/0xa0 fs/sysfs/group.c:261 device_remove_groups drivers/base/core.c:1071 [inline] device_remove_attrs+0x118/0x150 drivers/base/core.c:1259 device_del+0x3b6/0xa80 drivers/base/core.c:2081 rollback_registered_many+0x6d6/0xba0 net/core/dev.c:7227 unregister_netdevice_many.part.0+0x18/0x2e0 net/core/dev.c:8285 unregister_netdevice_many+0x36/0x50 net/core/dev.c:8284 rtnl_newlink+0x1416/0x1860 net/core/rtnetlink.c:2771 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4316 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2433 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x466459 RSP: 002b:00007f733e98d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000007 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffec550500f R14: 00007f733e98d300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 14907 Comm: syz-executor.2 Not tainted 4.14.231-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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 radix_tree_node_alloc.constprop.0+0x1b0/0x2f0 lib/radix-tree.c:397 __radix_tree_create+0x323/0x4b0 lib/radix-tree.c:839 __radix_tree_insert+0x98/0x4f0 lib/radix-tree.c:994 radix_tree_insert include/linux/radix-tree.h:297 [inline] shmem_add_to_page_cache+0x503/0x730 mm/shmem.c:619 shmem_getpage_gfp+0x12a7/0x2a40 mm/shmem.c:1816 shmem_getpage mm/shmem.c:131 [inline] shmem_write_begin+0xeb/0x190 mm/shmem.c:2416 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1778 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_pwrite64 fs/read_write.c:632 [inline] SyS_pwrite64+0x116/0x140 fs/read_write.c:619 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4195f7 RSP: 002b:00007f8e52fdef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 RDX: 0000000000000140 RSI: 0000000020010000 RDI: 0000000000000004 RBP: 0000000000000090 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000010000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 BTRFS: device fsid 6a8ee9c7-35e8-4cc5-bdde-f2a867f1dae5 devid 1 transid 7 /dev/loop2 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed device ipvlan0 entered promiscuous mode FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14943 Comm: syz-executor.2 Not tainted 4.14.231-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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2898 [inline] prepare_alloc_pages mm/page_alloc.c:4131 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4179 alloc_pages_vma+0xd2/0x6d0 mm/mempolicy.c:2077 shmem_alloc_page+0xe0/0x180 mm/shmem.c:1475 shmem_alloc_and_acct_page+0x126/0x620 mm/shmem.c:1500 shmem_getpage_gfp+0x302/0x2a40 mm/shmem.c:1777 shmem_getpage mm/shmem.c:131 [inline] shmem_write_begin+0xeb/0x190 mm/shmem.c:2416 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1778 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_pwrite64 fs/read_write.c:632 [inline] SyS_pwrite64+0x116/0x140 fs/read_write.c:619 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4195f7 RSP: 002b:00007f8e52fdef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 RDX: 00000000000000e0 RSI: 0000000020010700 RDI: 0000000000000004 RBP: 0000000000000090 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000100000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 14983 Comm: syz-executor.2 Not tainted 4.14.231-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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 device ipvlan2 entered promiscuous mode should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 radix_tree_node_alloc.constprop.0+0x1b0/0x2f0 lib/radix-tree.c:397 radix_tree_extend+0x158/0x3e0 lib/radix-tree.c:636 __radix_tree_create+0x3a2/0x4b0 lib/radix-tree.c:828 __radix_tree_insert+0x98/0x4f0 lib/radix-tree.c:994 radix_tree_insert include/linux/radix-tree.h:297 [inline] shmem_add_to_page_cache+0x503/0x730 mm/shmem.c:619 shmem_getpage_gfp+0x12a7/0x2a40 mm/shmem.c:1816 shmem_getpage mm/shmem.c:131 [inline] shmem_write_begin+0xeb/0x190 mm/shmem.c:2416 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1778 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_pwrite64 fs/read_write.c:632 [inline] SyS_pwrite64+0x116/0x140 fs/read_write.c:619 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4195f7 RSP: 002b:00007f8e52fdef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 RDX: 00000000000000e0 RSI: 0000000020010700 RDI: 0000000000000004 RBP: 0000000000000090 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000100000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 15001 Comm: syz-executor.2 Not tainted 4.14.231-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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_failslab+0xd6/0x130 mm/failslab.c:32 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3376 [inline] kmem_cache_alloc+0x40/0x3c0 mm/slab.c:3550 radix_tree_node_alloc.constprop.0+0x1b0/0x2f0 lib/radix-tree.c:397 __radix_tree_create+0x323/0x4b0 lib/radix-tree.c:839 __radix_tree_insert+0x98/0x4f0 lib/radix-tree.c:994 radix_tree_insert include/linux/radix-tree.h:297 [inline] shmem_add_to_page_cache+0x503/0x730 mm/shmem.c:619 shmem_getpage_gfp+0x12a7/0x2a40 mm/shmem.c:1816 shmem_getpage mm/shmem.c:131 [inline] shmem_write_begin+0xeb/0x190 mm/shmem.c:2416 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1778 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_pwrite64 fs/read_write.c:632 [inline] SyS_pwrite64+0x116/0x140 fs/read_write.c:619 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4195f7 RSP: 002b:00007f8e52fdef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 RDX: 00000000000000e0 RSI: 0000000020010700 RDI: 0000000000000004 RBP: 0000000000000090 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000100000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000260 R15: 0000000000000004 device ipvlan0 entered promiscuous mode BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch audit: type=1804 audit(1618904729.347:21705): pid=15014 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/130/bus" dev="sda1" ino=14962 res=1 BTRFS error (device loop2): open_ctree failed FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 15028 Comm: syz-executor.2 Not tainted 4.14.231-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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2898 [inline] prepare_alloc_pages mm/page_alloc.c:4131 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4179 alloc_pages_vma+0xd2/0x6d0 mm/mempolicy.c:2077 device ipvlan2 entered promiscuous mode shmem_alloc_page+0xe0/0x180 mm/shmem.c:1475 shmem_alloc_and_acct_page+0x126/0x620 mm/shmem.c:1500 shmem_getpage_gfp+0x302/0x2a40 mm/shmem.c:1777 shmem_getpage mm/shmem.c:131 [inline] shmem_write_begin+0xeb/0x190 mm/shmem.c:2416 generic_perform_write+0x1c9/0x420 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1778 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 SYSC_pwrite64 fs/read_write.c:632 [inline] SyS_pwrite64+0x116/0x140 fs/read_write.c:619 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4195f7 RSP: 002b:00007f8e52fdef20 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00000000004afb60 RCX: 00000000004195f7 RDX: 0000000000000300 RSI: 0000000020010800 RDI: 0000000000000004 RBP: 0000000000000090 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000103ea0 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000278 R15: 0000000000000005 audit: type=1804 audit(1618904729.927:21706): pid=15014 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/130/bus" dev="sda1" ino=14962 res=1 audit: type=1804 audit(1618904730.037:21707): pid=15034 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/131/bus" dev="sda1" ino=15009 res=1 BTRFS error (device loop2): unsupported checksum algorithm 2 audit: type=1804 audit(1618904730.327:21708): pid=15046 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/132/bus" dev="sda1" ino=14977 res=1 BTRFS error (device loop2): superblock checksum mismatch device ipvlan2 entered promiscuous mode BTRFS error (device loop2): open_ctree failed device ipvlan0 entered promiscuous mode audit: type=1804 audit(1618904730.757:21709): pid=15080 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/133/bus" dev="sda1" ino=13836 res=1 audit: type=1804 audit(1618904730.997:21710): pid=15100 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/134/bus" dev="sda1" ino=13836 res=1 device ipvlan2 entered promiscuous mode audit: type=1804 audit(1618904731.357:21711): pid=15113 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/135/bus" dev="sda1" ino=14035 res=1 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch device ipvlan2 entered promiscuous mode BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed device ipvlan0 entered promiscuous mode BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed audit: type=1804 audit(1618904732.147:21712): pid=15170 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/136/bus" dev="sda1" ino=14194 res=1 device ipvlan2 entered promiscuous mode audit: type=1804 audit(1618904732.147:21713): pid=15171 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir871264690/syzkaller.zlZNVZ/514/bus" dev="sda1" ino=14081 res=1 audit: type=1804 audit(1618904732.607:21714): pid=15187 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir598059444/syzkaller.8Q2QV6/137/bus" dev="sda1" ino=14033 res=1 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed nla_parse: 13 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. team0: Cannot enslave team device to itself batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 team0: Cannot enslave team device to itself batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. BTRFS error (device loop2): open_ctree failed batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 team0: Cannot enslave team device to itself batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch team0: Cannot enslave team device to itself netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. kauditd_printk_skb: 12 callbacks suppressed audit: type=1804 audit(1618904734.437:21727): pid=15322 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="bus" dev="sda1" ino=14258 res=1 BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready BTRFS error (device loop2): superblock checksum mismatch IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. batman_adv: batadv0: Adding interface: team0 BTRFS error (device loop2): open_ctree failed batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 team0: Cannot enslave team device to itself netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready BTRFS error (device loop2): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch batman_adv: batadv0: Interface activated: team0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready BTRFS error (device loop2): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): tunl0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): gre0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): gretap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): erspan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): ip_vti0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. IPVS: Error connecting to the multicast addr batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 team0: Cannot enslave team device to itself BTRFS error (device loop2): unsupported checksum algorithm 2 batman_adv: batadv0: Adding interface: team0 BTRFS error (device loop2): superblock checksum mismatch batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): tunl0: link becomes ready BTRFS error (device loop2): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): gre0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): gretap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): erspan0: link becomes ready BTRFS error (device loop2): unsupported checksum algorithm 2 IPv6: ADDRCONF(NETDEV_CHANGE): ip_vti0: link becomes ready BTRFS error (device loop2): superblock checksum mismatch IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop2): open_ctree failed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready BTRFS error (device loop2): unsupported checksum algorithm 2 IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed team0: Cannot enslave team device to itself batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 team0: Cannot enslave team device to itself batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch batman_adv: batadv0: Not using interface team0 (retrying later): interface not active batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Interface activated: team0 BTRFS error (device loop2): open_ctree failed IPVS: Error connecting to the multicast addr IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): tunl0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): gre0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): gretap0: link becomes ready BTRFS error (device loop2): unsupported checksum algorithm 2 IPv6: ADDRCONF(NETDEV_CHANGE): erspan0: link becomes ready BTRFS error (device loop2): superblock checksum mismatch IPv6: ADDRCONF(NETDEV_CHANGE): ip_vti0: link becomes ready BTRFS error (device loop2): open_ctree failed IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 batman_adv: batadv0: Removing interface: team0 BTRFS error (device loop2): superblock checksum mismatch team0: Cannot enslave team device to itself batman_adv: batadv0: Interface deactivated: team0 batman_adv: batadv0: Removing interface: team0 team0: Cannot enslave team device to itself batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. BTRFS error (device loop2): open_ctree failed batman_adv: batadv0: Not using interface team0 (retrying later): interface not active batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch batman_adv: batadv0: Interface activated: team0 batman_adv: batadv0: Removing interface: team0 BTRFS error (device loop2): open_ctree failed team0: Cannot enslave team device to itself batman_adv: batadv0: Adding interface: team0 batman_adv: batadv0: The MTU of interface team0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface team0 (retrying later): interface not active *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch CS: sel=0x0000, attr=0x0009b, limit=0x0000ffff, base=0x0000000000000000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 SS: sel=0x0000, attr=0x00081, limit=0x0000ffff, base=0x0000000000000000 BTRFS error (device loop2): open_ctree failed ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 BTRFS error (device loop2): unsupported checksum algorithm 2 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 BTRFS error (device loop2): superblock checksum mismatch Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811601fe RSP = 0xffff88805d3579b8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f44757db700 GSBase=ffff8880ba400000 TRBase=fffffe0000003000 GDTBase=fffffe0000001000 IDTBase=fffffe0000000000 BTRFS error (device loop2): open_ctree failed CR0=0000000080050033 CR3=0000000092cda000 CR4=00000000001426f0 Sysenter RSP=fffffe0000003000 CS:RIP=0010:ffffffff87401690 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000ea EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000202 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffcdd5e6bd62a EPT pointer = 0x000000009cfeb01e Virtual processor ID = 0x0001 BTRFS error (device loop2): unsupported checksum algorithm 2 *** Guest State *** CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 BTRFS error (device loop2): superblock checksum mismatch CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 BTRFS error (device loop2): open_ctree failed Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x0009b, limit=0x0000ffff, base=0x0000000000000000 DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 BTRFS error (device loop2): unsupported checksum algorithm 2 SS: sel=0x0000, attr=0x00081, limit=0x0000ffff, base=0x0000000000000000 BTRFS error (device loop2): superblock checksum mismatch ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 BTRFS error (device loop2): open_ctree failed LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x0000ffff, base=0x0000000000000000 TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000000 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811601fe RSP = 0xffff888079f7f9b8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f44757db700 GSBase=ffff8880ba500000 TRBase=fffffe0000034000 GDTBase=fffffe0000032000 IDTBase=fffffe0000000000 CR0=0000000080050033 CR3=0000000091c3d000 CR4=00000000001426e0 Sysenter RSP=fffffe0000034000 CS:RIP=0010:ffffffff87401690 EFER = 0x0000000000000d01 PAT = 0x0407050600070106 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000ea EntryControls=0000d1ff ExitControls=002fefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000202 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xfffffcdcfa57de09 EPT pointer = 0x000000007a7a801e Virtual processor ID = 0x0001 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop2 print_req_error: I/O error, dev loop2, sector 24 BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch BTRFS error (device loop2): open_ctree failed BTRFS error (device loop2): unsupported checksum algorithm 2 BTRFS error (device loop2): superblock checksum mismatch