====================================================== WARNING: possible circular locking dependency detected 4.14.217-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/11056 is trying to acquire lock: (&oi->lock){+.+.}, at: [] ovl_copy_up_start+0x40/0xe0 fs/overlayfs/util.c:318 but task is already holding lock: (sb_writers#3){.+.+}, at: [] sb_start_write include/linux/fs.h:1549 [inline] (sb_writers#3){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (sb_writers#3){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x64/0x260 fs/super.c:1342 sb_start_write include/linux/fs.h:1549 [inline] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 ovl_create_object+0x75/0x1d0 fs/overlayfs/dir.c:538 lookup_open+0x77a/0x1750 fs/namei.c:3241 do_last fs/namei.c:3334 [inline] path_openat+0xe08/0x2970 fs/namei.c:3569 do_filp_open+0x179/0x3c0 fs/namei.c:3603 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #1 (&ovl_i_mutex_dir_key[depth]){++++}: down_read+0x36/0x80 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:729 [inline] lookup_slow+0x129/0x400 fs/namei.c:1674 lookup_one_len_unlocked+0x3a0/0x410 fs/namei.c:2595 ovl_lower_positive+0x184/0x350 fs/overlayfs/namei.c:783 ovl_rename+0x47c/0xf10 fs/overlayfs/dir.c:968 vfs_rename+0x560/0x1820 fs/namei.c:4496 SYSC_renameat2 fs/namei.c:4644 [inline] SyS_renameat2+0x95b/0xad0 fs/namei.c:4533 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb -> #0 (&oi->lock){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 ovl_copy_up_start+0x40/0xe0 fs/overlayfs/util.c:318 ovl_copy_up_one+0x21f/0x910 fs/overlayfs/copy_up.c:630 ovl_copy_up_flags+0xd5/0x120 fs/overlayfs/copy_up.c:685 ovl_rename+0x164/0xf10 fs/overlayfs/dir.c:939 vfs_rename+0x560/0x1820 fs/namei.c:4496 SYSC_renameat2 fs/namei.c:4644 [inline] SyS_renameat2+0x95b/0xad0 fs/namei.c:4533 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb other info that might help us debug this: Chain exists of: &oi->lock --> &ovl_i_mutex_dir_key[depth] --> sb_writers#3 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_writers#3); lock(&ovl_i_mutex_dir_key[depth]); lock(sb_writers#3); lock(&oi->lock); *** DEADLOCK *** 5 locks held by syz-executor.2/11056: #0: (sb_writers#13){.+.+}, at: [] sb_start_write include/linux/fs.h:1549 [inline] #0: (sb_writers#13){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&type->s_vfs_rename_key#3){+.+.}, at: [] lock_rename+0x54/0x280 fs/namei.c:2889 #2: (&ovl_i_mutex_dir_key[depth]/1){+.+.}, at: [] inode_lock_nested include/linux/fs.h:754 [inline] #2: (&ovl_i_mutex_dir_key[depth]/1){+.+.}, at: [] lock_rename+0xa0/0x280 fs/namei.c:2893 #3: (&ovl_i_mutex_dir_key[depth]/2){+.+.}, at: [] inode_lock_nested include/linux/fs.h:754 [inline] #3: (&ovl_i_mutex_dir_key[depth]/2){+.+.}, at: [] lock_rename+0xd4/0x280 fs/namei.c:2894 #4: (sb_writers#3){.+.+}, at: [] sb_start_write include/linux/fs.h:1549 [inline] #4: (sb_writers#3){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 stack backtrace: CPU: 0 PID: 11056 Comm: syz-executor.2 Not tainted 4.14.217-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 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 ovl_copy_up_start+0x40/0xe0 fs/overlayfs/util.c:318 ovl_copy_up_one+0x21f/0x910 fs/overlayfs/copy_up.c:630 ovl_copy_up_flags+0xd5/0x120 fs/overlayfs/copy_up.c:685 ovl_rename+0x164/0xf10 fs/overlayfs/dir.c:939 vfs_rename+0x560/0x1820 fs/namei.c:4496 SYSC_renameat2 fs/namei.c:4644 [inline] SyS_renameat2+0x95b/0xad0 fs/namei.c:4533 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007f0d2d108c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 000000000045e219 RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000020000380 RBP: 000000000119bfb8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffeacbbf72f R14: 00007f0d2d1099c0 R15: 000000000119bf8c overlayfs: filesystem on './bus' not supported as upperdir netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. ISOFS: Unable to identify CD-ROM format. device bond1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. ISOFS: Unable to identify CD-ROM format. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. ISOFS: Unable to identify CD-ROM format. device bond2 entered promiscuous mode FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 CPU: 0 PID: 11286 Comm: syz-executor.1 Not tainted 4.14.217-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 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. __alloc_pages include/linux/gfp.h:484 [inline] __alloc_pages_node include/linux/gfp.h:497 [inline] alloc_pages_vma+0x4b3/0x6d0 mm/mempolicy.c:2070 do_huge_pmd_anonymous_page+0x2d6/0x1700 mm/huge_memory.c:725 create_huge_pmd mm/memory.c:3974 [inline] __handle_mm_fault+0x2ac4/0x4620 mm/memory.c:4177 handle_mm_fault+0x391/0x860 mm/memory.c:4243 __do_page_fault+0x549/0xad0 arch/x86/mm/fault.c:1442 device bond3 entered promiscuous mode page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:70 RSP: 0018:ffff88804e7b7e18 EFLAGS: 00010283 IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready RAX: 0000000000000000 RBX: 00007fffffffeffd RCX: 0000000020c35fff RDX: 1ffff11009cfeac7 RSI: ffffffff8695a5fc RDI: ffff88804e7f5638 RBP: 0000000000000005 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8880b04162c0 R12: 0000000000000000 R13: 0000000020000000 R14: ffff8880551f0140 R15: 0000000020c35fff rds_getsockopt+0xf1/0x260 net/rds/af_rds.c:403 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 8021q: adding VLAN 0 to HW filter on device bond3 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007f17f6187c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000005 RSI: 0000200000000114 RDI: 0000000000000005 RBP: 00007f17f6187ca0 R08: 0000000020000000 R09: 0000000000000000 R10: 0000000020c35fff R11: 0000000000000246 R12: 0000000000000000 ISOFS: Unable to identify CD-ROM format. R13: 00007fff85afd9ef R14: 00007f17f61889c0 R15: 000000000119c034 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. ISOFS: Unable to identify CD-ROM format. FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 device bond4 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond4: link is not ready 8021q: adding VLAN 0 to HW filter on device bond4 CPU: 0 PID: 11418 Comm: syz-executor.1 Not tainted 4.14.217-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_current+0x155/0x260 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] pte_alloc_one+0x15/0x100 arch/x86/mm/pgtable.c:30 __do_huge_pmd_anonymous_page mm/huge_memory.c:568 [inline] do_huge_pmd_anonymous_page+0x8fc/0x1700 mm/huge_memory.c:731 create_huge_pmd mm/memory.c:3974 [inline] __handle_mm_fault+0x2ac4/0x4620 mm/memory.c:4177 handle_mm_fault+0x391/0x860 mm/memory.c:4243 __do_page_fault+0x549/0xad0 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:70 RSP: 0018:ffff88804d877e18 EFLAGS: 00010283 RAX: 0000000000000000 RBX: 00007fffffffeffd RCX: 0000000020c35fff RDX: 1ffff11009cfe9f7 RSI: ffffffff8695a5fc RDI: ffff88804e7f4fb8 RBP: 0000000000000005 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff8880b0164400 R12: 0000000000000000 R13: 0000000020000000 R14: ffff88805521b180 R15: 0000000020c35fff rds_getsockopt+0xf1/0x260 net/rds/af_rds.c:403 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007f17f6187c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000005 RSI: 0000200000000114 RDI: 0000000000000005 RBP: 00007f17f6187ca0 R08: 0000000020000000 R09: 0000000000000000 R10: 0000000020c35fff R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff85afd9ef R14: 00007f17f61889c0 R15: 000000000119c034 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma? ISOFS: Unable to identify CD-ROM format. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or rds_rdma? CPU: 0 PID: 11475 Comm: syz-executor.1 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 device bond5 entered promiscuous mode 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+0x28e/0x3c0 mm/slab.c:3550 IPv6: ADDRCONF(NETDEV_UP): bond5: link is not ready ptlock_alloc+0x1d/0x70 mm/memory.c:4834 8021q: adding VLAN 0 to HW filter on device bond5 ptlock_init include/linux/mm.h:1764 [inline] pgtable_page_ctor include/linux/mm.h:1798 [inline] pte_alloc_one+0x57/0x100 arch/x86/mm/pgtable.c:33 __do_huge_pmd_anonymous_page mm/huge_memory.c:568 [inline] do_huge_pmd_anonymous_page+0x8fc/0x1700 mm/huge_memory.c:731 create_huge_pmd mm/memory.c:3974 [inline] __handle_mm_fault+0x2ac4/0x4620 mm/memory.c:4177 handle_mm_fault+0x391/0x860 mm/memory.c:4243 __do_page_fault+0x549/0xad0 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:__put_user_4+0x1c/0x30 arch/x86/lib/putuser.S:70 RSP: 0018:ffff888049c47e18 EFLAGS: 00010283 RAX: 0000000000000000 RBX: 00007fffffffeffd RCX: 0000000020c35fff RDX: 1ffff1100b76ef5f RSI: ffffffff8695a5fc RDI: ffff88805bb77af8 RBP: 0000000000000005 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88804b11c480 R12: 0000000000000000 R13: 0000000020000000 R14: ffff88808e73f500 R15: 0000000020c35fff rds_getsockopt+0xf1/0x260 net/rds/af_rds.c:403 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45e219 RSP: 002b:00007f17f6187c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045e219 RDX: 0000000000000005 RSI: 0000200000000114 RDI: 0000000000000005 RBP: 00007f17f6187ca0 R08: 0000000020000000 R09: 0000000000000000 R10: 0000000020c35fff R11: 0000000000000246 R12: 0000000000000002 R13: 00007fff85afd9ef R14: 00007f17f61889c0 R15: 000000000119c034 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. ISOFS: Unable to identify CD-ROM format. device bond6 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond6: link is not ready 8021q: adding VLAN 0 to HW filter on device bond6 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. device bond2 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 ISOFS: Unable to identify CD-ROM format. device bond7 entered promiscuous mode FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 IPv6: ADDRCONF(NETDEV_UP): bond7: link is not ready CPU: 1 PID: 11715 Comm: syz-executor.4 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 8021q: adding VLAN 0 to HW filter on device bond7 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_current+0x155/0x260 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] skb_page_frag_refill+0x1bf/0x490 net/core/sock.c:2206 tun_build_skb drivers/net/tun.c:1296 [inline] tun_get_user+0x1ba1/0x4260 drivers/net/tun.c:1468 tun_chr_write_iter+0xe8/0x1e0 drivers/net/tun.c:1612 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_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x417ab1 RSP: 002b:00007f531ec4dc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000119bf80 RCX: 0000000000417ab1 RDX: 0000000000000036 RSI: 0000000020000440 RDI: 00000000000000f0 RBP: 00007f531ec4dca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000064 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffdd950a18f R14: 00007f531ec4e9c0 R15: 000000000119bf8c net_ratelimit: 22 callbacks suppressed ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ISOFS: Unable to identify CD-ROM format. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 11737 Comm: syz-executor.4 Not tainted 4.14.217-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: device bond8 entered promiscuous mode __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 __build_skb+0x2e/0x2d0 net/core/skbuff.c:281 IPv6: ADDRCONF(NETDEV_UP): bond8: link is not ready build_skb+0x1a/0x160 net/core/skbuff.c:312 tun_build_skb drivers/net/tun.c:1357 [inline] tun_get_user+0x2199/0x4260 drivers/net/tun.c:1468 8021q: adding VLAN 0 to HW filter on device bond8 tun_chr_write_iter+0xe8/0x1e0 drivers/net/tun.c:1612 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_write fs/read_write.c:590 [inline] SyS_write+0xf2/0x210 fs/read_write.c:582 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x417ab1 RSP: 002b:00007f531ec4dc50 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000119bf80 RCX: 0000000000417ab1 RDX: 0000000000000036 RSI: 0000000020000440 RDI: 00000000000000f0 RBP: 00007f531ec4dca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000064 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffdd950a18f R14: 00007f531ec4e9c0 R15: 000000000119bf8c device bond9 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond9: link is not ready 8021q: adding VLAN 0 to HW filter on device bond9 ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ISOFS: Unable to identify CD-ROM format. ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table device bond10 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond10: link is not ready 8021q: adding VLAN 0 to HW filter on device bond10 ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ISOFS: Unable to identify CD-ROM format. device bond2 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 ip_tables: iptables: counters copy to user failed while replacing table device bond11 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond11: link is not ready 8021q: adding VLAN 0 to HW filter on device bond11 device bond3 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready ISOFS: Unable to identify CD-ROM format. 8021q: adding VLAN 0 to HW filter on device bond3 device bond12 entered promiscuous mode print_req_error: 12 callbacks suppressed print_req_error: I/O error, dev loop1, sector 0 IPv6: ADDRCONF(NETDEV_UP): bond12: link is not ready 8021q: adding VLAN 0 to HW filter on device bond12 device bond4 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond4: link is not ready ISOFS: Unable to identify CD-ROM format. 8021q: adding VLAN 0 to HW filter on device bond4 device bond13 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond13: link is not ready 8021q: adding VLAN 0 to HW filter on device bond13 device bond5 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond5: link is not ready ISOFS: Unable to identify CD-ROM format. 8021q: adding VLAN 0 to HW filter on device bond5 ISOFS: Unable to identify CD-ROM format. device bond6 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond6: link is not ready 8021q: adding VLAN 0 to HW filter on device bond6 ISOFS: Unable to identify CD-ROM format. device bond7 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond7: link is not ready 8021q: adding VLAN 0 to HW filter on device bond7 device bond14 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond14: link is not ready 8021q: adding VLAN 0 to HW filter on device bond14 nla_parse: 15 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. ISOFS: Unable to identify CD-ROM format. device bond8 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond8: link is not ready 8021q: adding VLAN 0 to HW filter on device bond8 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. bond15 (uninitialized): Released all slaves netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. ISOFS: Unable to identify CD-ROM format. device bond1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond9 (uninitialized): Released all slaves netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. ISOFS: Unable to identify CD-ROM format. device bond2 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. bond15 (uninitialized): Released all slaves netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. bond9 (uninitialized): Released all slaves netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. ISOFS: Unable to identify CD-ROM format. device bond15 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond15: link is not ready 8021q: adding VLAN 0 to HW filter on device bond15 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. device bond9 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond9: link is not ready 8021q: adding VLAN 0 to HW filter on device bond9 syz-executor.3 (12620) used greatest stack depth: 24568 bytes left netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'. ISOFS: Unable to identify CD-ROM format. device bond16 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond16: link is not ready 8021q: adding VLAN 0 to HW filter on device bond16 device bond10 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond10: link is not ready 8021q: adding VLAN 0 to HW filter on device bond10 ISOFS: Unable to identify CD-ROM format. device bond17 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond17: link is not ready 8021q: adding VLAN 0 to HW filter on device bond17 bond11 (uninitialized): Released all slaves ISOFS: Unable to identify CD-ROM format. bond18 (uninitialized): Released all slaves bond11 (uninitialized): Released all slaves bond18 (uninitialized): Released all slaves ISOFS: Unable to identify CD-ROM format. bond11 (uninitialized): Released all slaves bond18 (uninitialized): Released all slaves ISOFS: Unable to identify CD-ROM format. can: request_module (can-proto-0) failed. can: request_module (can-proto-0) failed. ISOFS: Unable to identify CD-ROM format. device bond11 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond11: link is not ready x_tables: ip_tables: socket match: used from hooks OUTPUT, but only valid from PREROUTING/INPUT 8021q: adding VLAN 0 to HW filter on device bond11 x_tables: ip_tables: socket match: used from hooks OUTPUT, but only valid from PREROUTING/INPUT ISOFS: Unable to identify CD-ROM format. device bond18 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond18: link is not ready 8021q: adding VLAN 0 to HW filter on device bond18 device bond12 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond12: link is not ready 8021q: adding VLAN 0 to HW filter on device bond12 net_ratelimit: 59 callbacks suppressed ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table ISOFS: Unable to identify CD-ROM format. device bond19 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond19: link is not ready ip_tables: iptables: counters copy to user failed while replacing table 8021q: adding VLAN 0 to HW filter on device bond19 ip_tables: iptables: counters copy to user failed while replacing table ip_tables: iptables: counters copy to user failed while replacing table device bond13 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond13: link is not ready ip_tables: iptables: counters copy to user failed while replacing table 8021q: adding VLAN 0 to HW filter on device bond13 ip_tables: iptables: counters copy to user failed while replacing table ISOFS: Unable to identify CD-ROM format. ip_tables: iptables: counters copy to user failed while replacing table device bond20 entered promiscuous mode ip_tables: iptables: counters copy to user failed while replacing table IPv6: ADDRCONF(NETDEV_UP): bond20: link is not ready 8021q: adding VLAN 0 to HW filter on device bond20 ip_tables: iptables: counters copy to user failed while replacing table device bond14 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond14: link is not ready 8021q: adding VLAN 0 to HW filter on device bond14 ISOFS: Unable to identify CD-ROM format. device bond21 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond21: link is not ready 8021q: adding VLAN 0 to HW filter on device bond21 device bond15 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond15: link is not ready 8021q: adding VLAN 0 to HW filter on device bond15 ISOFS: Unable to identify CD-ROM format.