BUG: sleeping function called from invalid context at drivers/tty/vt/vt.c:2599 in_atomic(): 1, irqs_disabled(): 1, pid: 17357, name: syz-executor.1 3 locks held by syz-executor.1/17357: #0: 0000000068a89655 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000038964e41 (&(&tty->flow_lock)->rlock){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #1: 0000000038964e41 (&(&tty->flow_lock)->rlock){....}, at: n_tty_ioctl_helper+0xcc/0x3a0 drivers/tty/tty_ioctl.c:914 #2: 0000000068a89655 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref+0x1d/0x80 drivers/tty/tty_ldisc.c:293 irq event stamp: 446 hardirqs last enabled at (445): [] do_syscall_64+0x21/0x620 arch/x86/entry/common.c:280 hardirqs last disabled at (446): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (446): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:160 softirqs last enabled at (0): [] copy_process.part.0+0x15b9/0x8260 kernel/fork.c:1856 softirqs last disabled at (0): [<0000000000000000>] (null) Preemption disabled at: [<0000000000000000>] (null) CPU: 0 PID: 17357 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6192 do_con_write+0x116/0x1d90 drivers/tty/vt/vt.c:2599 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3163 n_hdlc_send_frames+0x278/0x470 drivers/tty/n_hdlc.c:403 n_hdlc_tty_wakeup+0xa0/0xc0 drivers/tty/n_hdlc.c:479 tty_wakeup+0xd4/0x110 drivers/tty/tty_io.c:534 __start_tty drivers/tty/tty_io.c:806 [inline] __start_tty+0x116/0x150 drivers/tty/tty_io.c:799 n_tty_ioctl_helper+0x348/0x3a0 drivers/tty/tty_ioctl.c:917 n_hdlc_tty_ioctl+0x102/0x350 drivers/tty/n_hdlc.c:783 tty_ioctl+0x65d/0x1630 drivers/tty/tty_io.c:2678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f67182c4279 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f6716c39168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f67183d6f80 RCX: 00007f67182c4279 RDX: 0000000000000001 RSI: 000000000000540a RDI: 0000000000000004 RBP: 00007f671831e2e9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0ba9fedf R14: 00007f6716c39300 R15: 0000000000022000 MINIX-fs: bad superblock MINIX-fs: bad superblock bond6: bridge1 is up - this may be due to an out of date ifenslave MINIX-fs: bad superblock BUG: sleeping function called from invalid context at drivers/tty/vt/vt.c:2599 in_atomic(): 1, irqs_disabled(): 1, pid: 17432, name: syz-executor.1 3 locks held by syz-executor.1/17432: #0: 00000000a5f1dc6e (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000c4619bcf (&(&tty->flow_lock)->rlock){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #1: 00000000c4619bcf (&(&tty->flow_lock)->rlock){....}, at: n_tty_ioctl_helper+0xcc/0x3a0 drivers/tty/tty_ioctl.c:914 #2: 00000000a5f1dc6e (&tty->ldisc_sem){++++}, at: tty_ldisc_ref+0x1d/0x80 drivers/tty/tty_ldisc.c:293 irq event stamp: 472 hardirqs last enabled at (471): [] do_syscall_64+0x21/0x620 arch/x86/entry/common.c:280 hardirqs last disabled at (472): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (472): [] _raw_spin_lock_irq+0x35/0x80 kernel/locking/spinlock.c:160 softirqs last enabled at (0): [] copy_process.part.0+0x15b9/0x8260 kernel/fork.c:1856 softirqs last disabled at (0): [<0000000000000000>] (null) MINIX-fs: bad superblock Preemption disabled at: [<0000000000000000>] (null) CPU: 1 PID: 17432 Comm: syz-executor.1 Tainted: G W 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6192 do_con_write+0x116/0x1d90 drivers/tty/vt/vt.c:2599 con_write+0x22/0xb0 drivers/tty/vt/vt.c:3163 n_hdlc_send_frames+0x278/0x470 drivers/tty/n_hdlc.c:403 n_hdlc_tty_wakeup+0xa0/0xc0 drivers/tty/n_hdlc.c:479 tty_wakeup+0xd4/0x110 drivers/tty/tty_io.c:534 __start_tty drivers/tty/tty_io.c:806 [inline] __start_tty+0x116/0x150 drivers/tty/tty_io.c:799 n_tty_ioctl_helper+0x348/0x3a0 drivers/tty/tty_ioctl.c:917 n_hdlc_tty_ioctl+0x102/0x350 drivers/tty/n_hdlc.c:783 tty_ioctl+0x65d/0x1630 drivers/tty/tty_io.c:2678 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f67182c4279 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f6716c39168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f67183d6f80 RCX: 00007f67182c4279 RDX: 0000000000000001 RSI: 000000000000540a RDI: 0000000000000004 RBP: 00007f671831e2e9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0ba9fedf R14: 00007f6716c39300 R15: 0000000000022000 RDS: rds_bind could not find a transport for ::ffff:172.30.0.6, load rds_tcp or rds_rdma? netlink: 56 bytes leftover after parsing attributes in process `syz-executor.2'. IPVS: ftp: loaded support on port[0] = 21 audit: type=1326 audit(1662485399.054:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj==unconfined pid=17611 comm="syz-executor.0" exe="/root/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb1b92e0279 code=0x0 kvm: emulating exchange as write sctp: [Deprecated]: syz-executor.5 (pid 17935) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead