BUG: sleeping function called from invalid context at mm/util.c:743 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1838, name: syz.4.13357 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz.4.13357/1838: #0: ffff888057738420 (sb_writers#3){.+.+}-{0:0}, at: direct_splice_actor+0x49/0x160 fs/splice.c:1157 #1: ffff888022e3b7c8 (&mapping->i_private_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline] #1: ffff888022e3b7c8 (&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: 1838 Comm: syz.4.13357 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #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 mm/compaction.c:2958 [inline] compact_nodes mm/compaction.c:2980 [inline] sysctl_compaction_handler+0x3a4/0x7b0 mm/compaction.c:3031 proc_sys_call_handler+0x509/0x7c0 fs/proc/proc_sysctl.c:601 iter_file_splice_write+0x937/0x1000 fs/splice.c:738 do_splice_from fs/splice.c:935 [inline] direct_splice_actor+0xfe/0x160 fs/splice.c:1158 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1102 do_splice_direct_actor fs/splice.c:1201 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1227 do_sendfile+0x4da/0x7d0 fs/read_write.c:1368 __do_sys_sendfile64 fs/read_write.c:1423 [inline] __se_sys_sendfile64+0xd9/0x190 fs/read_write.c:1415 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa65858e969 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:00007fa659361038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fa6587b5fa0 RCX: 00007fa65858e969 RDX: 0000200000000180 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 00007fa658610ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000a R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa6587b5fa0 R15: 00007fa6588dfa28