watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.1:18649]
Modules linked in:
irq event stamp: 896
hardirqs last  enabled at (895): [<ffff8000146b6f08>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:82 [inline]
hardirqs last  enabled at (895): [<ffff8000146b6f08>] exit_to_kernel_mode+0x38/0x210 arch/arm64/kernel/entry-common.c:92
hardirqs last disabled at (896): [<ffff8000146b9844>] __el1_irq arch/arm64/kernel/entry-common.c:435 [inline]
hardirqs last disabled at (896): [<ffff8000146b9844>] el1_interrupt+0x24/0x50 arch/arm64/kernel/entry-common.c:460
softirqs last  enabled at (758): [<ffff8000100109ec>] _stext+0x9ec/0x101c
softirqs last disabled at (649): [<ffff8000101626e8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (649): [<ffff8000101626e8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (649): [<ffff8000101626e8>] __irq_exit_rcu+0x3d8/0x5d0 kernel/softirq.c:636
CPU: 0 PID: 18649 Comm: syz-executor.1 Not tainted 5.15.0-syzkaller-04577-gcc0356d6a02e #0
Hardware name: linux,dummy-virt (DT)
pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : copy_page+0x38/0xd0 arch/arm64/lib/copy_page.S:40
lr : copy_highpage+0x80/0x170 arch/arm64/mm/copypage.c:22
sp : ffff80001c287980
x29: ffff80001c287980 x28: 1ffff00003850f92 x27: ffff80001c287c90
x26: fffffc0000176d00 x25: ffff800015bbcba8 x24: ffff000013dbe420
x23: 1ffff00003850f99 x22: fffffc000069e940 x21: fffffc0000176d00
x20: ffff000005db4000 x19: ffff00001a7a5000 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff00001a7a5380 x0 : ffff000005db4400
Call trace:
 copy_page+0x38/0xd0 arch/arm64/lib/copy_page.S:38
 copy_user_highpage+0x18/0x50 arch/arm64/mm/copypage.c:43
 cow_user_page mm/memory.c:2755 [inline]
 wp_page_copy+0x1e0/0x1584 mm/memory.c:3008
 do_wp_page+0x1d8/0xbf0 mm/memory.c:3313
 handle_pte_fault mm/memory.c:4588 [inline]
 __handle_mm_fault+0xd88/0x21e0 mm/memory.c:4705
 handle_mm_fault+0x208/0x520 mm/memory.c:4803
 __do_page_fault arch/arm64/mm/fault.c:499 [inline]
 do_page_fault+0x228/0x910 arch/arm64/mm/fault.c:599
 do_mem_abort+0x64/0x1c0 arch/arm64/mm/fault.c:813
 el0_da+0x7c/0x2a0 arch/arm64/kernel/entry-common.c:489
 el0t_32_sync_handler+0x114/0x140 arch/arm64/kernel/entry-common.c:749
 el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577