raw: 05ffc00000000000 0000000000000000 dead000000000122 ffff0000c8fff338
raw: 00000000000000d6 0000000000000000 00000002ffffffff 0000000000000000
page dumped because: VM_BUG_ON_FOLIO(!folio_test_locked(folio))
------------[ cut here ]------------
kernel BUG at mm/memory.c:2979!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6405 Comm: syz-executor.0 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : do_page_mkwrite+0x2d8/0x2dc mm/memory.c:2979
lr : do_page_mkwrite+0x2d8/0x2dc mm/memory.c:2979
sp : ffff80009a4971b0
x29: ffff80009a4971b0 x28: 0000000000000000 x27: ffff80009a4975f8
x26: ffff0000c816b600 x25: 1ffff00013492eb7 x24: 0000000000000a15
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000200
x20: 05ffc00000000000 x19: fffffdffc3169dc0 x18: 1fffe000367c2996
x17: ffff80008eccd000 x16: ffff80008ad8b214 x15: 0000000000000001
x14: 1ffff00013492d7c x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000040000 x10: 000000000003ffff x9 : ffff800098219000
x8 : 0000000000040000 x7 : ffff80008029b098 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082eba2ec
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000003f
Call trace:
 do_page_mkwrite+0x2d8/0x2dc mm/memory.c:2979
 do_shared_fault mm/memory.c:4830 [inline]
 do_fault mm/memory.c:4892 [inline]
 do_pte_missing mm/memory.c:3745 [inline]
 handle_pte_fault mm/memory.c:5164 [inline]
 __handle_mm_fault mm/memory.c:5305 [inline]
 handle_mm_fault+0x1bb0/0x5494 mm/memory.c:5470
 __do_page_fault arch/arm64/mm/fault.c:505 [inline]
 do_page_fault+0x550/0xaec arch/arm64/mm/fault.c:620
 do_translation_fault+0xc4/0x114 arch/arm64/mm/fault.c:704
 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:840
 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:432
 el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:492
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:593
 __arch_copy_to_user+0x104/0x234 arch/arm64/lib/copy_template.S:135
 copy_to_iter include/linux/uio.h:197 [inline]
 get_random_bytes_user+0x1c4/0x384 drivers/char/random.c:451
 __do_sys_getrandom drivers/char/random.c:1390 [inline]
 __se_sys_getrandom drivers/char/random.c:1364 [inline]
 __arm64_sys_getrandom+0x14c/0x234 drivers/char/random.c:1364
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: d00535c1 911d0021 aa1303e0 97ff17d8 (d4210000) 
---[ end trace 0000000000000000 ]---