IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready BUG: sleeping function called from invalid context at drivers/tty/vt/vt.c:2228 in_atomic(): 1, irqs_disabled(): 1, pid: 9527, name: syz-executor.0 3 locks held by syz-executor.0/9527: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&(&tty->flow_lock)->rlock){....}, at: [] spin_lock_irq include/linux/spinlock.h:342 [inline] #1: (&(&tty->flow_lock)->rlock){....}, at: [] n_tty_ioctl_helper+0xa0/0x350 drivers/tty/tty_ioctl.c:913 #2: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref+0x1b/0x80 drivers/tty/tty_ldisc.c:305 irq event stamp: 622 hardirqs last enabled at (621): [] do_syscall_64+0x4c/0x640 arch/x86/entry/common.c:280 hardirqs last disabled at (622): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (622): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:168 softirqs last enabled at (112): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 softirqs last disabled at (110): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 9527 Comm: syz-executor.0 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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6038 do_con_write+0xd0/0x19b0 drivers/tty/vt/vt.c:2228 con_write+0x21/0xa0 drivers/tty/vt/vt.c:2805 n_hdlc_send_frames+0x241/0x410 drivers/tty/n_hdlc.c:404 n_hdlc_tty_wakeup+0x95/0xb0 drivers/tty/n_hdlc.c:480 tty_wakeup+0xc3/0xf0 drivers/tty/tty_io.c:533 __start_tty drivers/tty/tty_io.c:805 [inline] __start_tty+0x10b/0x140 drivers/tty/tty_io.c:798 n_tty_ioctl_helper+0x2f8/0x350 drivers/tty/tty_ioctl.c:916 n_hdlc_tty_ioctl+0xd4/0x300 drivers/tty/n_hdlc.c:784 tty_ioctl+0x5af/0x13c0 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x466459 RSP: 002b:00007f0f269ab188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000001 RSI: 000000000000540a RDI: 000000000000000a RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffced7affaf R14: 00007f0f269ab300 R15: 0000000000022000 BUG: sleeping function called from invalid context at drivers/tty/vt/vt.c:2228 in_atomic(): 1, irqs_disabled(): 1, pid: 10015, name: syz-executor.4 3 locks held by syz-executor.4/10015: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&(&tty->flow_lock)->rlock){....}, at: [] spin_lock_irq include/linux/spinlock.h:342 [inline] #1: (&(&tty->flow_lock)->rlock){....}, at: [] n_tty_ioctl_helper+0xa0/0x350 drivers/tty/tty_ioctl.c:913 #2: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref+0x1b/0x80 drivers/tty/tty_ldisc.c:305 irq event stamp: 636 hardirqs last enabled at (635): [] do_syscall_64+0x4c/0x640 arch/x86/entry/common.c:280 hardirqs last disabled at (636): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (636): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:168 softirqs last enabled at (118): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 softirqs last disabled at (116): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 Preemption disabled at: [< (null)>] (null) CPU: 1 PID: 10015 Comm: syz-executor.4 Tainted: G W 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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6038 do_con_write+0xd0/0x19b0 drivers/tty/vt/vt.c:2228 con_write+0x21/0xa0 drivers/tty/vt/vt.c:2805 n_hdlc_send_frames+0x241/0x410 drivers/tty/n_hdlc.c:404 n_hdlc_tty_wakeup+0x95/0xb0 drivers/tty/n_hdlc.c:480 tty_wakeup+0xc3/0xf0 drivers/tty/tty_io.c:533 __start_tty drivers/tty/tty_io.c:805 [inline] __start_tty+0x10b/0x140 drivers/tty/tty_io.c:798 n_tty_ioctl_helper+0x2f8/0x350 drivers/tty/tty_ioctl.c:916 n_hdlc_tty_ioctl+0xd4/0x300 drivers/tty/n_hdlc.c:784 tty_ioctl+0x5af/0x13c0 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x466459 RSP: 002b:00007f5d91ea4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000001 RSI: 000000000000540a RDI: 000000000000000a RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffd21c6b66f R14: 00007f5d91ea4300 R15: 0000000000022000 BUG: sleeping function called from invalid context at drivers/tty/vt/vt.c:2228 in_atomic(): 1, irqs_disabled(): 1, pid: 10692, name: syz-executor.4 3 locks held by syz-executor.4/10692: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&(&tty->flow_lock)->rlock){....}, at: [] spin_lock_irq include/linux/spinlock.h:342 [inline] #1: (&(&tty->flow_lock)->rlock){....}, at: [] n_tty_ioctl_helper+0xa0/0x350 drivers/tty/tty_ioctl.c:913 #2: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref+0x1b/0x80 drivers/tty/tty_ldisc.c:305 irq event stamp: 778 hardirqs last enabled at (777): [] do_syscall_64+0x4c/0x640 arch/x86/entry/common.c:280 hardirqs last disabled at (778): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (778): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:168 softirqs last enabled at (134): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 softirqs last disabled at (132): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 10692 Comm: syz-executor.4 Tainted: G W 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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6038 do_con_write+0xd0/0x19b0 drivers/tty/vt/vt.c:2228 con_write+0x21/0xa0 drivers/tty/vt/vt.c:2805 n_hdlc_send_frames+0x241/0x410 drivers/tty/n_hdlc.c:404 n_hdlc_tty_wakeup+0x95/0xb0 drivers/tty/n_hdlc.c:480 tty_wakeup+0xc3/0xf0 drivers/tty/tty_io.c:533 __start_tty drivers/tty/tty_io.c:805 [inline] __start_tty+0x10b/0x140 drivers/tty/tty_io.c:798 n_tty_ioctl_helper+0x2f8/0x350 drivers/tty/tty_ioctl.c:916 n_hdlc_tty_ioctl+0xd4/0x300 drivers/tty/n_hdlc.c:784 tty_ioctl+0x5af/0x13c0 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x466459 RSP: 002b:00007f5d91ea4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000001 RSI: 000000000000540a RDI: 000000000000000a RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffd21c6b66f R14: 00007f5d91ea4300 R15: 0000000000022000 atkbd serio0: Spurious ACK on isa0060/serio0. Some program might be trying to access hardware directly. BUG: sleeping function called from invalid context at drivers/tty/vt/vt.c:2228 in_atomic(): 1, irqs_disabled(): 1, pid: 10922, name: syz-executor.0 3 locks held by syz-executor.0/10922: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&(&tty->flow_lock)->rlock){....}, at: [] spin_lock_irq include/linux/spinlock.h:342 [inline] #1: (&(&tty->flow_lock)->rlock){....}, at: [] n_tty_ioctl_helper+0xa0/0x350 drivers/tty/tty_ioctl.c:913 #2: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref+0x1b/0x80 drivers/tty/tty_ldisc.c:305 irq event stamp: 904 hardirqs last enabled at (903): [] do_syscall_64+0x4c/0x640 arch/x86/entry/common.c:280 hardirqs last disabled at (904): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (904): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:168 softirqs last enabled at (764): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 softirqs last disabled at (762): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 10922 Comm: syz-executor.0 Tainted: G W 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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6038 do_con_write+0xd0/0x19b0 drivers/tty/vt/vt.c:2228 con_write+0x21/0xa0 drivers/tty/vt/vt.c:2805 n_hdlc_send_frames+0x241/0x410 drivers/tty/n_hdlc.c:404 n_hdlc_tty_wakeup+0x95/0xb0 drivers/tty/n_hdlc.c:480 tty_wakeup+0xc3/0xf0 drivers/tty/tty_io.c:533 __start_tty drivers/tty/tty_io.c:805 [inline] __start_tty+0x10b/0x140 drivers/tty/tty_io.c:798 n_tty_ioctl_helper+0x2f8/0x350 drivers/tty/tty_ioctl.c:916 n_hdlc_tty_ioctl+0xd4/0x300 drivers/tty/n_hdlc.c:784 tty_ioctl+0x5af/0x13c0 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x466459 RSP: 002b:00007f0f269ab188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000001 RSI: 000000000000540a RDI: 000000000000000a RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffced7affaf R14: 00007f0f269ab300 R15: 0000000000022000 BUG: sleeping function called from invalid context at drivers/tty/vt/vt.c:2228 in_atomic(): 1, irqs_disabled(): 1, pid: 11685, name: syz-executor.3 3 locks held by syz-executor.3/11685: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&(&tty->flow_lock)->rlock){....}, at: [] spin_lock_irq include/linux/spinlock.h:342 [inline] #1: (&(&tty->flow_lock)->rlock){....}, at: [] n_tty_ioctl_helper+0xa0/0x350 drivers/tty/tty_ioctl.c:913 #2: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref+0x1b/0x80 drivers/tty/tty_ldisc.c:305 irq event stamp: 816 hardirqs last enabled at (815): [] do_syscall_64+0x4c/0x640 arch/x86/entry/common.c:280 hardirqs last disabled at (816): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (816): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:168 softirqs last enabled at (124): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 softirqs last disabled at (122): [] netlink_create+0x27b/0x510 net/netlink/af_netlink.c:675 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 11685 Comm: syz-executor.3 Tainted: G W 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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6038 do_con_write+0xd0/0x19b0 drivers/tty/vt/vt.c:2228 con_write+0x21/0xa0 drivers/tty/vt/vt.c:2805 n_hdlc_send_frames+0x241/0x410 drivers/tty/n_hdlc.c:404 n_hdlc_tty_wakeup+0x95/0xb0 drivers/tty/n_hdlc.c:480 tty_wakeup+0xc3/0xf0 drivers/tty/tty_io.c:533 __start_tty drivers/tty/tty_io.c:805 [inline] __start_tty+0x10b/0x140 drivers/tty/tty_io.c:798 n_tty_ioctl_helper+0x2f8/0x350 drivers/tty/tty_ioctl.c:916 n_hdlc_tty_ioctl+0xd4/0x300 drivers/tty/n_hdlc.c:784 tty_ioctl+0x5af/0x13c0 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x466459 RSP: 002b:00007fe131078188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000001 RSI: 000000000000540a RDI: 000000000000000a RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffe48a650ff R14: 00007fe131078300 R15: 0000000000022000