watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.0:26819]
Modules linked in:
irq event stamp: 1982
hardirqs last  enabled at (1981): [<ffff8000146c5d38>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:82 [inline]
hardirqs last  enabled at (1981): [<ffff8000146c5d38>] exit_to_kernel_mode+0x38/0x210 arch/arm64/kernel/entry-common.c:92
hardirqs last disabled at (1982): [<ffff8000146c8674>] __el1_irq arch/arm64/kernel/entry-common.c:435 [inline]
hardirqs last disabled at (1982): [<ffff8000146c8674>] el1_interrupt+0x24/0x50 arch/arm64/kernel/entry-common.c:460
softirqs last  enabled at (1826): [<ffff8000100109ec>] _stext+0x9ec/0x101c
softirqs last disabled at (1759): [<ffff800010162eb8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (1759): [<ffff800010162eb8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (1759): [<ffff800010162eb8>] __irq_exit_rcu+0x3d8/0x5d0 kernel/softirq.c:636
CPU: 1 PID: 26819 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller-10158-gd4439a1189f9 #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 : ffff8000193e7980
x29: ffff8000193e7980 x28: 1ffff0000327cf92 x27: ffff8000193e7c90
x26: fffffc0000176f00 x25: ffff800015bdbba8 x24: ffff00002cac7840
x23: 1ffff0000327cf99 x22: fffffc000081bbc0 x21: fffffc0000176f00
x20: ffff000005dbc000 x19: ffff0000206ef000 x18: 0000000000000000
x17: ffffffffffffffff x16: 0000ffff00000000 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000001 x12: 0000ffffc7000c98
x11: 0000006400000000 x10: 0000ffff00000000 x9 : 0000000000000000
x8 : 0000ffff00000000 x7 : 0000000000000000 x6 : 000000000146a000
x5 : 000000000146a000 x4 : 0000ffffc7001480 x3 : 0000ffffc7000df8
x2 : 0000000000000000 x1 : ffff0000206ef780 x0 : ffff000005dbc800
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_64_sync_handler+0x168/0x1b0 arch/arm64/kernel/entry-common.c:624
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:572