BUG: sleeping function called from invalid context at mm/util.c:743
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 34, name: kcompactd0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by kcompactd0/34:
#0: ffff888022d120c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#0: ffff888022d120c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: __buffer_migrate_folio+0x240/0x620 mm/migrate.c:853
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 34 Comm: kcompactd0 Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
__might_resched+0x495/0x610 kernel/sched/core.c:8818
folio_mc_copy+0x141/0x1d0 mm/util.c:743
__migrate_folio mm/migrate.c:758 [inline]
filemap_migrate_folio+0xba/0x4c0 mm/migrate.c:943
__buffer_migrate_folio+0x430/0x620 mm/migrate.c:874
move_to_new_folio+0x2df/0xb10 mm/migrate.c:1050
migrate_folio_move mm/migrate.c:1358 [inline]
migrate_folios_move mm/migrate.c:1710 [inline]
migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1957
migrate_pages_sync mm/migrate.c:1987 [inline]
migrate_pages+0x1b3b/0x2850 mm/migrate.c:2096
compact_zone+0x2734/0x4be0 mm/compaction.c:2689
compact_node+0x1d2/0x280 mm/compaction.c:2958
kcompactd+0xbc7/0x1290 mm/compaction.c:3256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
BUG: sleeping function called from invalid context at mm/util.c:743
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 34, name: kcompactd0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by kcompactd0/34:
#0: ffff888022d120c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#0: ffff888022d120c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: __buffer_migrate_folio+0x240/0x620 mm/migrate.c:853
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 UID: 0 PID: 34 Comm: kcompactd0 Tainted: G W 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
__might_resched+0x495/0x610 kernel/sched/core.c:8818
folio_mc_copy+0x141/0x1d0 mm/util.c:743
__migrate_folio mm/migrate.c:758 [inline]
filemap_migrate_folio+0xba/0x4c0 mm/migrate.c:943
__buffer_migrate_folio+0x430/0x620 mm/migrate.c:874
move_to_new_folio+0x2df/0xb10 mm/migrate.c:1050
migrate_folio_move mm/migrate.c:1358 [inline]
migrate_folios_move mm/migrate.c:1710 [inline]
migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1957
migrate_pages_sync mm/migrate.c:1987 [inline]
migrate_pages+0x1b3b/0x2850 mm/migrate.c:2096
compact_zone+0x2734/0x4be0 mm/compaction.c:2689
kcompactd_do_work mm/compaction.c:3140 [inline]
kcompactd+0x97d/0x1290 mm/compaction.c:3234
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
BUG: sleeping function called from invalid context at mm/util.c:743
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 34, name: kcompactd0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
1 lock held by kcompactd0/34:
#0: ffff888022d120c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#0: ffff888022d120c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: __buffer_migrate_folio+0x240/0x620 mm/migrate.c:853
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 34 Comm: kcompactd0 Tainted: G W 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
__might_resched+0x495/0x610 kernel/sched/core.c:8818
folio_mc_copy+0x141/0x1d0 mm/util.c:743
__migrate_folio mm/migrate.c:758 [inline]
filemap_migrate_folio+0xba/0x4c0 mm/migrate.c:943
__buffer_migrate_folio+0x430/0x620 mm/migrate.c:874
move_to_new_folio+0x2df/0xb10 mm/migrate.c:1050
migrate_folio_move mm/migrate.c:1358 [inline]
migrate_folios_move mm/migrate.c:1710 [inline]
migrate_pages_batch+0x1c34/0x2830 mm/migrate.c:1957
migrate_pages_sync mm/migrate.c:1987 [inline]
migrate_pages+0x1b3b/0x2850 mm/migrate.c:2096
compact_zone+0x2734/0x4be0 mm/compaction.c:2689
compact_node+0x1d2/0x280 mm/compaction.c:2958
kcompactd+0xbc7/0x1290 mm/compaction.c:3256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245