BUG: using smp_processor_id() in preemptible [00000000] code: systemd-rfkill/6729 caller is ext4_mb_new_blocks+0x301/0x1620 fs/ext4/mballoc.c:4711 CPU: 0 PID: 6729 Comm: systemd-rfkill Not tainted 5.7.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1f0/0x31e lib/dump_stack.c:118 check_preemption_disabled+0x1c9/0x240 lib/smp_processor_id.c:47 ext4_ext_map_blocks+0x2ad5/0x6d20 fs/ext4/extents.c:4244 ext4_map_blocks+0x8c1/0x19e0 fs/ext4/inode.c:626 ext4_getblk+0xa4/0x460 fs/ext4/inode.c:833 ext4_append+0x153/0x2d0 fs/ext4/namei.c:67 vfs_mkdir+0x42a/0x620 fs/namei.c:3641 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 RIP: 0033:0x7febf9ae4687 Code: Bad RIP value. RSP: 002b:00007ffd9972a518 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 000056351fcab985 RCX: 00007febf9ae4687 RDX: 00007ffd9972a3e0 RSI: 00000000000001ed RDI: 000056351fcab985 RBP: 00007febf9ae4680 R08: 0000000000000100 R09: 0000000000000000 R10: 000056351fcab980 R11: 0000000000000246 R12: 00000000000001ed R13: 00007ffd9972a6a0 R14: 0000000000000000 R15: 0000000000000000