syzbot

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WARNING: CPU: 1 PID: 6411 at mm/vma.c:1192 vms_complete_munmap_vmas+0x6c4/0x810 mm/vma.c:1192
Modules linked in:
CPU: 1 UID: 0 PID: 6411 Comm: syz-executor340 Tainted: G        W          6.13.0-rc6-syzkaller-g6251d1776bc5 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : vms_complete_munmap_vmas+0x6c4/0x810 mm/vma.c:1192
lr : vms_complete_munmap_vmas+0x6c4/0x810 mm/vma.c:1192
sp : ffff80009ca47410
x29: ffff80009ca47460 x28: ffff0000d878b180 x27: 0000000000000c00
x26: ffff0000d878b3c8 x25: ffff80009ca47740 x24: ffff0000d878b3c0
x23: ffff80009ca47738 x22: 0000000000000021 x21: 00000000000010df
x20: 1ffff00013948ee4 x19: dfff800000000000 x18: ffff80009ca46a60
x17: 000000000000d779 x16: ffff80008b606348 x15: 0000000000000010
x14: 1ffff00013948e5c x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013948e6c x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d8c9dac0 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffffffffffffffe0 x3 : 0000000000000020
x2 : 0000000000000000 x1 : 0000000000000021 x0 : 0000000000000c00
Call trace:
 vms_complete_munmap_vmas+0x6c4/0x810 mm/vma.c:1192 (P)
 __mmap_complete mm/vma.c:2406 [inline]
 __mmap_region+0x10d4/0x2188 mm/vma.c:2472
 mmap_region+0x1f4/0x370 mm/mmap.c:1352
 do_mmap+0x8f8/0x1094 mm/mmap.c:500
 vm_mmap_pgoff+0x1a0/0x38c mm/util.c:575
 ksys_mmap_pgoff+0x3f0/0x5c8 mm/mmap.c:546
 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline]
 __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline]
 __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 398
hardirqs last  enabled at (397): [<ffff80008058ea78>] seqcount_lockdep_reader_access+0x80/0x104 include/linux/seqlock.h:74
hardirqs last disabled at (398): [<ffff80008b6a41c4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (18): [<ffff800080129934>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (16): [<ffff800080129900>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---