syzbot

------------[ cut here ]------------
WARNING: CPU: 1 PID: 11082 at mm/zswap.c:1633 zswap_swapoff+0x11b/0x2b0 mm/zswap.c:1633
Modules linked in:
CPU: 1 UID: 0 PID: 11082 Comm: swapoff Not tainted 6.11.0-rc5-next-20240827-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:zswap_swapoff+0x11b/0x2b0 mm/zswap.c:1633
Code: 74 05 e8 a8 75 07 00 4b 83 7c 35 00 00 75 15 e8 3b 9e 9e ff 48 ff c5 49 83 c6 50 83 7c 24 0c 17 76 9b eb 24 e8 26 9e 9e ff 90 <0f> 0b 90 eb e5 48 8b 0c 24 80 e1 07 80 c1 03 38 c1 7c 90 48 8b 3c
RSP: 0018:ffffc90003d97a38 EFLAGS: 00010293
RAX: ffffffff81f5703a RBX: dffffc0000000000 RCX: ffff888079893c00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880186a2848
RBP: 0000000000000000 R08: ffffffff81f56ff0 R09: 1ffffffff1d47748
R10: dffffc0000000000 R11: fffffbfff1d47749 R12: dffffc0000000000
R13: ffff8880186a2800 R14: 0000000000000048 R15: 0000000000000002
FS:  00007f0b44780380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb1d1a456c0 CR3: 0000000029554000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __do_sys_swapoff mm/swapfile.c:2851 [inline]
 __se_sys_swapoff+0x4685/0x4d10 mm/swapfile.c:2717
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0b448d9b37
Code: 73 01 c3 48 8b 0d f1 52 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c1 52 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007ffc57351308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a8
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b448d9b37
RDX: 00007f0b449797e8 RSI: 00007f0b44a76eed RDI: 000055ba2e9fca20
RBP: 000055ba2e9fca20 R08: 0000000000000000 R09: 9b546109b2a3ad6c
R10: 000000000000001f R11: 0000000000000246 R12: 00007ffc57351528
R13: 000055ba2e9fc2a0 R14: 000055ba2dc52169 R15: 00007f0b44ab7a80
 </TASK>