================================ WARNING: inconsistent lock state 4.14.195-syzkaller #0 Not tainted -------------------------------- inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. syz-executor.1/10377 [HC0[0]:SC0[0]:HE1:SE1] takes: (slock-AF_BLUETOOTH-BTPROTO_SCO){+.?.}, at: [] spin_lock include/linux/spinlock.h:317 [inline] (slock-AF_BLUETOOTH-BTPROTO_SCO){+.?.}, at: [] sco_conn_del+0xb0/0x1e0 net/bluetooth/sco.c:175 {IN-SOFTIRQ-W} state was registered at: 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 spin_lock include/linux/spinlock.h:317 [inline] sco_sock_timeout+0x1a/0x150 net/bluetooth/sco.c:82 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1644 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1657 __do_softirq+0x254/0xa1d kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 orc_ip arch/x86/kernel/unwind_orc.c:27 [inline] __orc_find+0x6f/0xf0 arch/x86/kernel/unwind_orc.c:49 orc_find arch/x86/kernel/unwind_orc.c:118 [inline] unwind_next_frame+0x59a/0x17d0 arch/x86/kernel/unwind_orc.c:355 __save_stack_trace+0x90/0x160 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 slab_post_alloc_hook mm/slab.h:442 [inline] slab_alloc mm/slab.c:3390 [inline] kmem_cache_alloc_trace+0x11b/0x3d0 mm/slab.c:3616 kmalloc include/linux/slab.h:488 [inline] kzalloc include/linux/slab.h:661 [inline] do_execveat_common+0x2c8/0x1f30 fs/exec.c:1731 do_execve+0x33/0x50 fs/exec.c:1847 call_usermodehelper_exec_async+0x28f/0x4a0 kernel/umh.c:100 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 irq event stamp: 2489 hardirqs last enabled at (2489): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (2489): [] _raw_spin_unlock_irq+0x24/0x80 kernel/locking/spinlock.c:200 hardirqs last disabled at (2488): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (2488): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:168 softirqs last enabled at (202): [] __do_softirq+0x6ab/0xa1d kernel/softirq.c:314 softirqs last disabled at (171): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (171): [] irq_exit+0x193/0x240 kernel/softirq.c:409 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(slock-AF_BLUETOOTH-BTPROTO_SCO); lock(slock-AF_BLUETOOTH-BTPROTO_SCO); *** DEADLOCK *** 3 locks held by syz-executor.1/10377: #0: (&hdev->req_lock){+.+.}, at: [] hci_dev_do_close+0xfd/0xc50 net/bluetooth/hci_core.c:1576 #1: (&hdev->lock){+.+.}, at: [] hci_dev_do_close+0x210/0xc50 net/bluetooth/hci_core.c:1607 #2: (hci_cb_list_lock){+.+.}, at: [] hci_disconn_cfm include/net/bluetooth/hci_core.h:1223 [inline] #2: (hci_cb_list_lock){+.+.}, at: [] hci_conn_hash_flush+0xc7/0x220 net/bluetooth/hci_conn.c:1376 stack backtrace: CPU: 0 PID: 10377 Comm: syz-executor.1 Not tainted 4.14.195-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+0x1b2/0x283 lib/dump_stack.c:58 print_usage_bug.cold+0x42e/0x570 kernel/locking/lockdep.c:2589 valid_state kernel/locking/lockdep.c:2602 [inline] mark_lock_irq kernel/locking/lockdep.c:2796 [inline] mark_lock+0xb4d/0x1050 kernel/locking/lockdep.c:3194 mark_irqflags kernel/locking/lockdep.c:3090 [inline] __lock_acquire+0xd5c/0x3f20 kernel/locking/lockdep.c:3448 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 spin_lock include/linux/spinlock.h:317 [inline] sco_conn_del+0xb0/0x1e0 net/bluetooth/sco.c:175 sco_disconn_cfm net/bluetooth/sco.c:1134 [inline] sco_disconn_cfm+0x50/0x60 net/bluetooth/sco.c:1127 hci_disconn_cfm include/net/bluetooth/hci_core.h:1226 [inline] hci_conn_hash_flush+0x114/0x220 net/bluetooth/hci_conn.c:1376 hci_dev_do_close+0x542/0xc50 net/bluetooth/hci_core.c:1620 hci_unregister_dev+0x170/0x7a0 net/bluetooth/hci_core.c:3191 vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:354 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xa08/0x27f0 kernel/exit.c:865 do_group_exit+0x100/0x2e0 kernel/exit.c:962 get_signal+0x38d/0x1ca0 kernel/signal.c:2423 do_signal+0x7c/0x1550 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x160/0x200 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f3289bd8cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000118cfe8 RCX: 000000000045d5b9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cfe8 RBP: 000000000118cfe0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cfec R13: 00007ffc6070cc2f R14: 00007f3289bd99c0 R15: 000000000118cfec bond22 (unregistering): Released all slaves audit: type=1804 audit(1598662051.292:190): pid=17181 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/97/bus" dev="sda1" ino=15891 res=1 bond22 (unregistering): Released all slaves FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 17329 Comm: syz-executor.4 Not tainted 4.14.195-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+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4130 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4178 __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_wp_page+0x7c6/0x4730 mm/huge_memory.c:1288 wp_huge_pmd mm/memory.c:3890 [inline] __handle_mm_fault+0x20b2/0x4620 mm/memory.c:4103 handle_mm_fault+0x306/0x7a0 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff888088a2fb68 EFLAGS: 00010206 RAX: ffffed100aa15a00 RBX: 0000000000001000 RCX: 0000000000000500 RDX: 0000000000001000 RSI: ffff8880550acb00 RDI: 0000000020400000 RBP: 00000000203ff500 R08: 0000000000000000 R09: ffffed100aa159ff R10: ffff8880550acfff R11: 0000000000000000 R12: ffff8880550ac000 R13: 00007ffffffff000 R14: 0000000020400500 R15: ffff888088a2fdf0 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] copyout+0x99/0xc0 lib/iov_iter.c:137 copy_page_to_iter_iovec lib/iov_iter.c:206 [inline] copy_page_to_iter+0x324/0xca0 lib/iov_iter.c:723 pipe_to_user+0xa8/0x160 fs/splice.c:1237 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 vmsplice_to_user+0x190/0x1b0 fs/splice.c:1272 SYSC_vmsplice fs/splice.c:1353 [inline] SyS_vmsplice+0x12a/0x150 fs/splice.c:1334 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f6bdd79ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000116 RAX: ffffffffffffffda RBX: 0000000000036640 RCX: 000000000045d5b9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f6bdd79eca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffde73d867f R14: 00007f6bdd79f9c0 R15: 000000000118cfec bond1 (unregistering): Released all slaves audit: type=1804 audit(1598662052.282:191): pid=17453 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/98/bus" dev="sda1" ino=16224 res=1 bond22 (unregistering): Released all slaves FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 bond1 (unregistering): Released all slaves CPU: 1 PID: 17498 Comm: syz-executor.4 Not tainted 4.14.195-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+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4130 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4178 __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_wp_page+0x7c6/0x4730 mm/huge_memory.c:1288 wp_huge_pmd mm/memory.c:3890 [inline] __handle_mm_fault+0x20b2/0x4620 mm/memory.c:4103 handle_mm_fault+0x306/0x7a0 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff88804e8ffb68 EFLAGS: 00010206 RAX: ffffed100abfb200 RBX: 0000000000001000 RCX: 0000000000000500 RDX: 0000000000001000 RSI: ffff888055fd8b00 RDI: 0000000020600000 RBP: 00000000205ff500 R08: 0000000000000000 R09: ffffed100abfb1ff R10: ffff888055fd8fff R11: 0000000000000000 R12: ffff888055fd8000 R13: 00007ffffffff000 R14: 0000000020600500 R15: ffff88804e8ffdf0 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] copyout+0x99/0xc0 lib/iov_iter.c:137 copy_page_to_iter_iovec lib/iov_iter.c:206 [inline] copy_page_to_iter+0x324/0xca0 lib/iov_iter.c:723 pipe_to_user+0xa8/0x160 fs/splice.c:1237 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 vmsplice_to_user+0x190/0x1b0 fs/splice.c:1272 SYSC_vmsplice fs/splice.c:1353 [inline] SyS_vmsplice+0x12a/0x150 fs/splice.c:1334 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f6bdd79ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000116 RAX: ffffffffffffffda RBX: 0000000000036640 RCX: 000000000045d5b9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f6bdd79eca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffde73d867f R14: 00007f6bdd79f9c0 R15: 000000000118cfec audit: type=1804 audit(1598662052.452:192): pid=17535 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir777339373/syzkaller.3nQsL3/131/bus" dev="sda1" ino=16225 res=1 bond22 (unregistering): Released all slaves audit: type=1804 audit(1598662053.242:193): pid=17718 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/99/bus" dev="sda1" ino=16227 res=1 bond1 (unregistering): Released all slaves bond2: Enslaving bridge4 as a backup interface with an up link bond3 (unregistering): Released all slaves FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 17730 Comm: syz-executor.4 Not tainted 4.14.195-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+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4130 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4178 __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_wp_page+0x7c6/0x4730 mm/huge_memory.c:1288 wp_huge_pmd mm/memory.c:3890 [inline] __handle_mm_fault+0x20b2/0x4620 mm/memory.c:4103 handle_mm_fault+0x306/0x7a0 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff888051837b68 EFLAGS: 00010206 RAX: ffffed1011a90400 RBX: 0000000000001000 RCX: 0000000000000500 RDX: 0000000000001000 RSI: ffff88808d481b00 RDI: 0000000020800000 RBP: 00000000207ff500 R08: 0000000000000000 R09: ffffed1011a903ff R10: ffff88808d481fff R11: 0000000000000000 R12: ffff88808d481000 R13: 00007ffffffff000 R14: 0000000020800500 R15: ffff888051837df0 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] copyout+0x99/0xc0 lib/iov_iter.c:137 copy_page_to_iter_iovec lib/iov_iter.c:206 [inline] copy_page_to_iter+0x324/0xca0 lib/iov_iter.c:723 pipe_to_user+0xa8/0x160 fs/splice.c:1237 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 vmsplice_to_user+0x190/0x1b0 fs/splice.c:1272 SYSC_vmsplice fs/splice.c:1353 [inline] SyS_vmsplice+0x12a/0x150 fs/splice.c:1334 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f6bdd79ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000116 RAX: ffffffffffffffda RBX: 0000000000036640 RCX: 000000000045d5b9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f6bdd79eca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 R13: 00007ffde73d867f R14: 00007f6bdd79f9c0 R15: 000000000118cfec bond22 (unregistering): Released all slaves batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_1 device bridge_slave_1 left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state bond1 (unregistering): Releasing backup interface bridge1 bond1 (unregistering): Released all slaves device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 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 batadv_slave_0 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 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 batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth0_vlan entered promiscuous mode device veth1_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 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:3d) already exists on: batadv_slave_0 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:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready 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! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 18213 Comm: syz-executor.4 Not tainted 4.14.195-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+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4130 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4178 audit: type=1804 audit(1598662056.592:194): pid=18261 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/100/bus" dev="sda1" ino=16245 res=1 __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_wp_page+0x7c6/0x4730 mm/huge_memory.c:1288 wp_huge_pmd mm/memory.c:3890 [inline] __handle_mm_fault+0x20b2/0x4620 mm/memory.c:4103 handle_mm_fault+0x306/0x7a0 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff888096787b68 EFLAGS: 00010206 RAX: ffffed1011f6fc00 RBX: 0000000000001000 RCX: 0000000000000500 RDX: 0000000000001000 RSI: ffff88808fb7db00 RDI: 0000000020a00000 RBP: 00000000209ff500 R08: 0000000000000000 R09: ffffed1011f6fbff R10: ffff88808fb7dfff R11: 0000000000000000 R12: ffff88808fb7d000 R13: 00007ffffffff000 R14: 0000000020a00500 R15: ffff888096787df0 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] copyout+0x99/0xc0 lib/iov_iter.c:137 copy_page_to_iter_iovec lib/iov_iter.c:206 [inline] copy_page_to_iter+0x324/0xca0 lib/iov_iter.c:723 pipe_to_user+0xa8/0x160 fs/splice.c:1237 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 vmsplice_to_user+0x190/0x1b0 fs/splice.c:1272 SYSC_vmsplice fs/splice.c:1353 [inline] SyS_vmsplice+0x12a/0x150 fs/splice.c:1334 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f6bdd79ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000116 RAX: ffffffffffffffda RBX: 0000000000036640 RCX: 000000000045d5b9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f6bdd79eca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00007ffde73d867f R14: 00007f6bdd79f9c0 R15: 000000000118cfec bond2: Enslaving bridge5 as a backup interface with a down link bond3 (unregistering): Released all slaves Bluetooth: hci5 command 0x0409 tx timeout FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 18405 Comm: syz-executor.4 Not tainted 4.14.195-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+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4130 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4178 __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_wp_page+0x7c6/0x4730 mm/huge_memory.c:1288 wp_huge_pmd mm/memory.c:3890 [inline] __handle_mm_fault+0x20b2/0x4620 mm/memory.c:4103 audit: type=1804 audit(1598662057.402:195): pid=18484 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/101/bus" dev="sda1" ino=16245 res=1 handle_mm_fault+0x306/0x7a0 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff888095377b68 EFLAGS: 00010206 RAX: ffffed101116e000 RBX: 0000000000001000 RCX: 0000000000000500 RDX: 0000000000001000 RSI: ffff888088b6fb00 RDI: 0000000020c00000 RBP: 0000000020bff500 R08: 0000000000000000 R09: ffffed101116dfff R10: ffff888088b6ffff R11: 0000000000000000 R12: ffff888088b6f000 R13: 00007ffffffff000 R14: 0000000020c00500 R15: ffff888095377df0 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] copyout+0x99/0xc0 lib/iov_iter.c:137 copy_page_to_iter_iovec lib/iov_iter.c:206 [inline] copy_page_to_iter+0x324/0xca0 lib/iov_iter.c:723 pipe_to_user+0xa8/0x160 fs/splice.c:1237 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 vmsplice_to_user+0x190/0x1b0 fs/splice.c:1272 SYSC_vmsplice fs/splice.c:1353 [inline] SyS_vmsplice+0x12a/0x150 fs/splice.c:1334 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f6bdd79ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000116 RAX: ffffffffffffffda RBX: 0000000000036640 RCX: 000000000045d5b9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f6bdd79eca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 00007ffde73d867f R14: 00007f6bdd79f9c0 R15: 000000000118cfec bond23 (unregistering): Released all slaves Bluetooth: hci1 command 0x0406 tx timeout Bluetooth: hci2 command 0x0406 tx timeout Bluetooth: hci3 command 0x0406 tx timeout bond2: Enslaving bridge6 as a backup interface with a down link bond3 (unregistering): Released all slaves FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 18559 Comm: syz-executor.4 Not tainted 4.14.195-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+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4130 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4178 __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_wp_page+0x7c6/0x4730 mm/huge_memory.c:1288 wp_huge_pmd mm/memory.c:3890 [inline] __handle_mm_fault+0x20b2/0x4620 mm/memory.c:4103 handle_mm_fault+0x306/0x7a0 mm/memory.c:4150 __do_page_fault+0x578/0xb50 arch/x86/mm/fault.c:1442 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff8880517cfb68 EFLAGS: 00010206 RAX: ffffed1010668200 RBX: 0000000000001000 RCX: 0000000000000500 RDX: 0000000000001000 RSI: ffff888083340b00 RDI: 0000000020e00000 RBP: 0000000020dff500 R08: 0000000000000000 R09: ffffed10106681ff R10: ffff888083340fff R11: 0000000000000000 R12: ffff888083340000 R13: 00007ffffffff000 R14: 0000000020e00500 R15: ffff8880517cfdf0 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_to_user arch/x86/include/asm/uaccess_64.h:112 [inline] copyout+0x99/0xc0 lib/iov_iter.c:137 copy_page_to_iter_iovec lib/iov_iter.c:206 [inline] copy_page_to_iter+0x324/0xca0 lib/iov_iter.c:723 pipe_to_user+0xa8/0x160 fs/splice.c:1237 splice_from_pipe_feed fs/splice.c:502 [inline] __splice_from_pipe+0x326/0x7a0 fs/splice.c:626 vmsplice_to_user+0x190/0x1b0 fs/splice.c:1272 SYSC_vmsplice fs/splice.c:1353 [inline] SyS_vmsplice+0x12a/0x150 fs/splice.c:1334 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x45d5b9 RSP: 002b:00007f6bdd79ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000116 RAX: ffffffffffffffda RBX: 0000000000036640 RCX: 000000000045d5b9 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f6bdd79eca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 R13: 00007ffde73d867f R14: 00007f6bdd79f9c0 R15: 000000000118cfec bond23 (unregistering): Released all slaves audit: type=1804 audit(1598662058.642:196): pid=18719 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/102/bus" dev="sda1" ino=16245 res=1 bond2: Enslaving bridge7 as a backup interface with a down link bond23 (unregistering): Released all slaves bond3 (unregistering): Released all slaves Unknown ioctl 35306 Bluetooth: hci5 command 0x041b tx timeout bond2: Enslaving bridge8 as a backup interface with a down link bond23 (unregistering): Released all slaves audit: type=1804 audit(1598662059.562:197): pid=19181 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/103/bus" dev="sda1" ino=16254 res=1 bond2: Enslaving bridge9 as a backup interface with a down link bond23 (unregistering): Released all slaves bond2: Enslaving bridge10 as a backup interface with a down link bond2: Enslaving bridge11 as a backup interface with a down link bond23 (unregistering): Released all slaves bond2: Enslaving bridge12 as a backup interface with a down link audit: type=1804 audit(1598662060.522:198): pid=19602 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir941742759/syzkaller.vQtaV5/104/bus" dev="sda1" ino=16258 res=1 bond23 (unregistering): Released all slaves