------------[ cut here ]------------ WARNING: CPU: 0 PID: 3111 at mm/slab_common.c:923 free_large_kmalloc+0x3c/0x144 mm/slab_common.c:924 Modules linked in: CPU: 0 PID: 3111 Comm: syz-executor.0 Not tainted 6.1.0-rc2-syzkaller-154433-g247f34f7b803 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : free_large_kmalloc+0x3c/0x144 mm/slab_common.c:924 lr : kfree+0xb8/0x118 mm/slab_common.c:1001 sp : ffff800010fb3ba0 x29: ffff800010fb3ba0 x28: ffff0000c0f03480 x27: 0000000000000000 x26: 00000000000000c0 x25: 0000000000000002 x24: ffff00011a59f100 x23: ffff80000d5a8000 x22: ffff0000ca475c00 x21: 0000000040000000 x20: ffff800008d5972c x19: fffffc00046f6e00 x18: 000000000000025d x17: ffff80000c0cd83c x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000406 x12: ffff80000d4c7368 x11: ff8080000805a850 x10: 0000000000000000 x9 : fffffc0000000000 x8 : ffff80000d95f000 x7 : 0000000000000000 x6 : ffff8000083e2338 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000000 x1 : ffff00011bdb8000 x0 : fffffc00046f6e00 Call trace: free_large_kmalloc+0x3c/0x144 mm/slab_common.c:924 kfree+0xb8/0x118 mm/slab_common.c:1001 diUnmount+0x74/0x8c fs/jfs/jfs_imap.c:195 jfs_umount+0x94/0x190 fs/jfs/jfs_umount.c:63 jfs_put_super+0x6c/0x104 fs/jfs/super.c:194 generic_shutdown_super+0x94/0x198 fs/super.c:491 kill_block_super+0x30/0x78 fs/super.c:1427 deactivate_locked_super+0x70/0xe8 fs/super.c:331 deactivate_super+0xd0/0xd4 fs/super.c:362 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x100/0x148 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x928/0x16ec kernel/fork.c:2197 softirqs last enabled at (0): [] copy_process+0x938/0x16ec kernel/fork.c:2198 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace 0000000000000000 ]--- object pointer: 0x00000000f0b6dff6 page:00000000b198111d refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x15bdb8 head:00000000b198111d order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff000127748981 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c001cf00 raw: 0000000000000000 0000000080040004 00000001ffffffff ffff000127748981 page dumped because: VM_BUG_ON_FOLIO(folio->memcg_data & MEMCG_DATA_OBJCGS) ------------[ cut here ]------------ kernel BUG at include/linux/memcontrol.h:537! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 3111 Comm: syz-executor.0 Tainted: G W 6.1.0-rc2-syzkaller-154433-g247f34f7b803 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : folio_memcg_kmem include/linux/memcontrol.h:537 [inline] pc : folio_memcg+0xcc/0x160 include/linux/memcontrol.h:430 lr : folio_memcg_kmem include/linux/memcontrol.h:537 [inline] lr : folio_memcg+0xcc/0x160 include/linux/memcontrol.h:430 sp : ffff800010fb3b60 x29: ffff800010fb3b60 x28: ffff0000c0f03480 x27: 0000000000000000 x26: 00000000000000c0 x25: 0000000000000002 x24: ffff00011a59f100 x23: ffff80000d5a8000 x22: fffffc00046f6e00 x21: ffff0001ff00fc40 x20: 0000000000000006 x19: 00000000fffff000 x18: 000000000000025d x17: 445f47434d454d20 x16: 2620617461645f67 x15: 636d656d3e2d6f69 x14: 6c6f66284f494c4f x13: 205d313131335420 x12: 5b5d363330343638 x11: ff808000081c650c x10: 0000000000000000 x9 : 9f09574c5fd75c00 x8 : 9f09574c5fd75c00 x7 : 205b5d3633303436 x6 : ffff80000c0903b4 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000004b Call trace: folio_memcg_kmem include/linux/memcontrol.h:537 [inline] folio_memcg+0xcc/0x160 include/linux/memcontrol.h:430 page_memcg include/linux/memcontrol.h:437 [inline] __mod_lruvec_page_state+0xac/0x230 mm/memcontrol.c:833 mod_lruvec_page_state include/linux/vmstat.h:562 [inline] free_large_kmalloc+0x84/0x144 mm/slab_common.c:930 kfree+0xb8/0x118 mm/slab_common.c:1001 diUnmount+0x74/0x8c fs/jfs/jfs_imap.c:195 jfs_umount+0x94/0x190 fs/jfs/jfs_umount.c:63 jfs_put_super+0x6c/0x104 fs/jfs/super.c:194 generic_shutdown_super+0x94/0x198 fs/super.c:491 kill_block_super+0x30/0x78 fs/super.c:1427 deactivate_locked_super+0x70/0xe8 fs/super.c:331 deactivate_super+0xd0/0xd4 fs/super.c:362 cleanup_mnt+0x184/0x1c0 fs/namespace.c:1186 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193 task_work_run+0x100/0x148 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Code: d4210000 b0023321 911fa821 97fbbc3f (d4210000) ---[ end trace 0000000000000000 ]---