watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.6:14252]
Modules linked in:
irq event stamp: 52156
hardirqs last  enabled at (52155): [<ffffffff83e00c42>] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
hardirqs last disabled at (52156): [<ffffffff83c44a9b>] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095
softirqs last  enabled at (2556): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
softirqs last disabled at (2483): [<ffffffff83e00f92>] asm_call_irq_on_stack+0x12/0x20
CPU: 1 PID: 14252 Comm: syz-executor.6 Not tainted 5.10.56 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
RIP: 0010:__sanitizer_cov_trace_cmp4+0x4/0x20 kernel/kcov.c:258
Code: 00 00 00 00 66 90 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 02 00 00 00 e9 4c ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 48 8b 0c 24 <89> f2 89 fe bf 04 00 00 00 e9 2e ff ff ff 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffff88804088fa58 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff822298d0
RDX: ffff88804630cbc0 RSI: 0000000000000000 RDI: 00000000000000ec
RBP: ffff88804630cbc0 R08: 0000000000000000 R09: ffff8880475464cf
R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
R13: ffff888047546000 R14: 00000000000000ec R15: ffff888014f0e680
FS:  00007faacb0a0700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faacb07f9d0 CR3: 0000000061e3c000 CR4: 0000000000350ee0
Call Trace:
 paste_selection+0x210/0x490 drivers/tty/vt/selection.c:394
 tioclinux+0x48d/0x5a0 drivers/tty/vt/vt.c:3165
 vt_ioctl+0x1e24/0x2ec0 drivers/tty/vt/vt_ioctl.c:860
 tty_ioctl+0x80a/0x17c0 drivers/tty/tty_io.c:2742
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl fs/ioctl.c:739 [inline]
 __x64_sys_ioctl+0x196/0x210 fs/ioctl.c:739
 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x466609
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007faacb0a0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609
RDX: 00000000200000c0 RSI: 000000000000541c RDI: 0000000000000003
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffe4c65b23f R14: 00007faacb0a0300 R15: 0000000000022000
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 0 skipped: idling at default_idle+0xe/0x10 arch/x86/kernel/process.c:688