WARNING: mm/slub.c:1268 at __slab_err+0x15/0x20 mm/slub.c:1268, CPU#1: syz-executor275/6205
Modules linked in:
CPU: 1 UID: 0 PID: 6205 Comm: syz-executor275 Tainted: G    B               syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__slab_err+0x15/0x20 mm/slub.c:1268
Code: 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 e8 2b 00 00 00 bf 05 00 00 00 be 01 00 00 00 e8 fc 5e 5f 00 90 <0f> 0b 90 e9 53 68 34 0a cc 66 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90005edf840 EFLAGS: 00010293
RAX: ffffffff8187415a RBX: ffff8880384d0780 RCX: ffff88802d033e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff2554615 R12: ffffea0000efae10
R13: ffffea0000ee2c00 R14: ffffc90005edf858 R15: ffff88803f73f000
FS:  00007f07f772f6c0(0000) GS:ffff888125cc4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000040738000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 free_partial mm/slub.c:8122 [inline]
 __kmem_cache_shutdown+0x1b7/0x2d0 mm/slub.c:8165
 kmem_cache_destroy+0x9d/0x180 mm/slab_common.c:576
 shrink_stripes drivers/md/raid5.c:2719 [inline]
 free_conf+0x1fc/0x5d0 drivers/md/raid5.c:7553
 setup_conf+0x1770/0x2b20 drivers/md/raid5.c:7885
 raid5_takeover_raid1 drivers/md/raid5.c:8934 [inline]
 raid5_takeover+0x641/0x8d0 drivers/md/raid5.c:9045
 level_store+0x83b/0x1d10 drivers/md/md.c:4134
 md_attr_store+0x3b7/0x640 drivers/md/md.c:6158
 kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x61e/0xbb0 fs/read_write.c:687
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f07f775ed59
Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f07f772f1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f07f7809ba8 RCX: 00007f07f775ed59
RDX: 0000000000000005 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f07f7809ba0 R08: 36203a6b63617473 R09: 36203a6b63617473
R10: 36203a6b63617473 R11: 0000000000000246 R12: 00007f07f77da808
R13: 0000200000001400 R14: 0000200000001100 R15: 0000200000001500
 </TASK>