device bond0 entered promiscuous mode device bond_slave_0 entered promiscuous mode device bond_slave_1 entered promiscuous mode overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 1 PID: 7625 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 add_chain_cache kernel/locking/lockdep.c:2259 [inline] lookup_chain_cache_add kernel/locking/lockdep.c:2371 [inline] validate_chain kernel/locking/lockdep.c:2391 [inline] __lock_acquire.cold+0x420/0x57e kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] shmem_reserve_inode mm/shmem.c:246 [inline] shmem_get_inode+0x50e/0x8d0 mm/shmem.c:2193 shmem_tmpfile+0x50/0x110 mm/shmem.c:2872 vfs_tmpfile+0x208/0x370 fs/namei.c:3456 ovl_do_tmpfile fs/overlayfs/overlayfs.h:191 [inline] ovl_make_workdir fs/overlayfs/super.c:1121 [inline] ovl_get_workdir fs/overlayfs/super.c:1198 [inline] ovl_fill_super+0x12b4/0x3f10 fs/overlayfs/super.c:1601 mount_nodev+0x60/0x110 fs/super.c:1204 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f7846c530f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f78451c5168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7846d72f80 RCX: 00007f7846c530f9 RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f7846caeae9 R08: 0000000020000340 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe59fd865f R14: 00007f78451c5300 R15: 0000000000022000 overlayfs: failed to resolve './file0': -2 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 device bond0 left promiscuous mode device bond_slave_0 left promiscuous mode device bond_slave_1 left promiscuous mode device bond0 entered promiscuous mode device bond_slave_0 entered promiscuous mode device bond_slave_1 entered promiscuous mode overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. device bond0 entered promiscuous mode device bond_slave_0 entered promiscuous mode device bond_slave_1 entered promiscuous mode device bond0 left promiscuous mode device bond_slave_0 left promiscuous mode device bond_slave_1 left promiscuous mode device bond0 left promiscuous mode device bond_slave_0 left promiscuous mode FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 7825 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x277/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 do_sys_open+0x26c/0x520 fs/open.c:1079 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0240b4f0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f023f0c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f0240c6ef80 RCX: 00007f0240b4f0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f023f0c11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffef8a2810f R14: 00007f023f0c1300 R15: 0000000000022000 device bond_slave_1 left promiscuous mode FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 7840 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x239/0x2890 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 cache_alloc_refill+0x273/0x340 mm/slab.c:3049 ____cache_alloc mm/slab.c:3132 [inline] __do_cache_alloc mm/slab.c:3354 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x346/0x370 mm/slab.c:3557 getname_flags+0xce/0x590 fs/namei.c:140 do_sys_open+0x26c/0x520 fs/open.c:1079 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0240b4f0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f023f0c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f0240c6ef80 RCX: 00007f0240b4f0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f023f0c11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffef8a2810f R14: 00007f023f0c1300 R15: 0000000000022000 tmpfs: Bad value 'local:00:96' for mount option 'mpol' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7873 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x277/0x370 mm/slab.c:3557 kmem_cache_zalloc include/linux/slab.h:699 [inline] __alloc_file+0x21/0x340 fs/file_table.c:100 alloc_empty_file+0x6d/0x170 fs/file_table.c:150 path_openat+0xe9/0x2df0 fs/namei.c:3526 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0240b4f0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f023f0c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f0240c6ef80 RCX: 00007f0240b4f0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f023f0c11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffef8a2810f R14: 00007f023f0c1300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7912 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0xf lib/fault-inject.c:149 __should_failslab+0x115/0x180 mm/failslab.c:32 should_failslab+0x5/0x10 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x284/0x380 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] aa_alloc_file_ctx security/apparmor/include/file.h:60 [inline] apparmor_file_alloc_security+0x394/0xad0 security/apparmor/lsm.c:438 security_file_alloc+0x40/0x90 security/security.c:880 __alloc_file+0xd8/0x340 fs/file_table.c:105 alloc_empty_file+0x6d/0x170 fs/file_table.c:150 path_openat+0xe9/0x2df0 fs/namei.c:3526 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f0240b4f0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 base_sock_release(00000000d7f45c72) sk= (null) RSP: 002b:00007f023f0c1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f0240c6ef80 RCX: 00007f0240b4f0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f023f0c11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffef8a2810f R14: 00007f023f0c1300 R15: 0000000000022000 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. kauditd_printk_skb: 66 callbacks suppressed audit: type=1804 audit(1678113945.960:1204): pid=7904 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/970/bus" dev="sda1" ino=14402 res=1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. base_sock_release(00000000be38780a) sk=0000000067fbe61d audit: type=1804 audit(1678113946.020:1205): pid=7941 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/970/bus" dev="sda1" ino=14402 res=1 netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'. base_sock_release(000000004b3e7f2a) sk= (null) audit: type=1804 audit(1678113946.130:1206): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 audit: type=1804 audit(1678113946.140:1207): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 base_sock_release(00000000f462279c) sk=00000000091ba639 audit: type=1804 audit(1678113946.140:1208): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 audit: type=1804 audit(1678113946.170:1209): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 audit: type=1804 audit(1678113946.170:1210): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 audit: type=1804 audit(1678113946.170:1211): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 audit: type=1804 audit(1678113946.170:1212): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 audit: type=1804 audit(1678113946.170:1213): pid=7955 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir177912291/syzkaller.pBuoK2/971/bus" dev="sda1" ino=14107 res=1 base_sock_release(0000000014f85b6f) sk= (null) base_sock_release(000000001313d8b6) sk=0000000014c0b535 overlayfs: './file0' not a directory overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path overlayfs: overlapping lowerdir path IPVS: sync thread started: state = MASTER, mcast_ifn = veth0_macvtap, syncid = 1, id = 0 overlayfs: failed to resolve './file0': -2 overlayfs: failed to resolve './file0': -2