------------[ cut here ]------------
WARNING: CPU: 0 PID: 5394 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337
Modules linked in:
CPU: 0 UID: 0 PID: 5394 Comm: syz.4.22 Not tainted 6.11.0-rc4-next-20240820-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:place_entity+0x463/0x520 kernel/sched/fair.c:5337
Code: 27 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 3c 24 4c 89 fe e8 77 14 00 00 48 89 04 24 e9 e0 fd ff ff 90 <0f> 0b 90 41 bd 01 00 00 00 e9 22 ff ff ff 89 d9 80 e1 07 38 c1 0f
RSP: 0018:ffffc900000074c0 EFLAGS: 00010046
RAX: 00000000ec38f400 RBX: 00000000003b0e3d RCX: 0000000000100000
RDX: 0000000000000400 RSI: ffff8880245c9e80 RDI: ffff8880245c9f00
RBP: dffffc0000000000 R08: ffffffff81358241 R09: 1ffffffff20318f0
R10: dffffc0000000000 R11: fffffbfff20318f1 R12: 000000000a5c835b
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880245c9e80
FS:  00007f89567786c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32814ff8 CR3: 000000002f048000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 enqueue_entity+0x271/0x1920 kernel/sched/fair.c:5409
 enqueue_task_fair+0x206/0xe30 kernel/sched/fair.c:6985
 enqueue_task+0x1a5/0x300 kernel/sched/core.c:2014
 activate_task+0x61/0xc0 kernel/sched/core.c:2056
 attach_task+0xee/0x190 kernel/sched/fair.c:9549
 attach_tasks kernel/sched/fair.c:9584 [inline]
 sched_balance_rq+0x65b1/0x8590 kernel/sched/fair.c:11661
 sched_balance_domains+0x565/0xa90 kernel/sched/fair.c:12069
 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1037
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:sg_mark_end include/linux/scatterlist.h:258 [inline]
RIP: 0010:sg_init_marker include/linux/scatterlist.h:416 [inline]
RIP: 0010:sg_init_table+0x2d/0x60 lib/scatterlist.c:129
Code: fa 41 56 53 89 f3 49 89 fe e8 cf ac e3 fc 89 da 48 c1 e2 05 4c 89 f7 31 f6 e8 7f 34 4c fd ff cb 48 c1 e3 05 4c 01 f3 48 89 d8 <48> c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89
RSP: 0018:ffffc90004166588 EFLAGS: 00000286
RAX: ffffc90004166600 RBX: ffffc90004166600 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90004166620
RBP: ffffc900041666f0 R08: ffffc9000416661f R09: 0000000000000000
R10: ffffc90004166600 R11: fffff5200082ccc4 R12: ffffc90004166600
R13: 0000607f46c17640 R14: ffffc90004166600 R15: ffff8880b9000000
 zswap_compress+0x184/0x7c0 mm/zswap.c:906
 zswap_store+0xcd3/0x1650 mm/zswap.c:1520
 swap_writepage+0x79/0x1a0 mm/page_io.c:198
 shmem_writepage+0x1271/0x1cc0 mm/shmem.c:1558
 pageout mm/vmscan.c:690 [inline]
 shrink_folio_list+0x3bdb/0x8ca0 mm/vmscan.c:1367
 reclaim_folio_list mm/vmscan.c:2163 [inline]
 reclaim_pages+0x916/0xc60 mm/vmscan.c:2199
 madvise_cold_or_pageout_pte_range+0x2964/0x32a0 mm/madvise.c:550
 walk_pmd_range mm/pagewalk.c:106 [inline]
 walk_pud_range mm/pagewalk.c:178 [inline]
 walk_p4d_range mm/pagewalk.c:211 [inline]
 walk_pgd_range+0xb81/0x17f0 mm/pagewalk.c:246
 __walk_page_range+0x132/0x720 mm/pagewalk.c:348
 walk_page_range+0x58f/0x7c0 mm/pagewalk.c:474
 madvise_pageout_page_range mm/madvise.c:609 [inline]
 madvise_pageout mm/madvise.c:636 [inline]
 madvise_vma_behavior mm/madvise.c:1042 [inline]
 madvise_walk_vmas mm/madvise.c:1271 [inline]
 do_madvise+0x3384/0x4760 mm/madvise.c:1467
 __do_sys_madvise mm/madvise.c:1484 [inline]
 __se_sys_madvise mm/madvise.c:1482 [inline]
 __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:1482
 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: 0033:0x7f8955979e79
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8956778038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007f8955b15f80 RCX: 00007f8955979e79
RDX: 0000000000000015 RSI: 0000000000600000 RDI: 0000000020000000
RBP: 00007f89559e7916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8955b15f80 R15: 00007ffe2ea629e8
 </TASK>
----------------
Code disassembly (best guess):
   0:	fa                   	cli
   1:	41 56                	push   %r14
   3:	53                   	push   %rbx
   4:	89 f3                	mov    %esi,%ebx
   6:	49 89 fe             	mov    %rdi,%r14
   9:	e8 cf ac e3 fc       	call   0xfce3acdd
   e:	89 da                	mov    %ebx,%edx
  10:	48 c1 e2 05          	shl    $0x5,%rdx
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	31 f6                	xor    %esi,%esi
  19:	e8 7f 34 4c fd       	call   0xfd4c349d
  1e:	ff cb                	dec    %ebx
  20:	48 c1 e3 05          	shl    $0x5,%rbx
  24:	4c 01 f3             	add    %r14,%rbx
  27:	48 89 d8             	mov    %rbx,%rax
* 2a:	48 c1 e8 03          	shr    $0x3,%rax <-- trapping instruction
  2e:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  35:	fc ff df
  38:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1)
  3c:	74 08                	je     0x46
  3e:	48                   	rex.W
  3f:	89                   	.byte 0x89