=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-gd0d106a2bd21 #0 Not tainted
-----------------------------
syz.5.1638/11871 is trying to lock:
ffffffff8eac2478 (kernfs_rename_lock){....}-{3:3}, at: kernfs_path_from_node+0x92/0xb00 fs/kernfs/dir.c:229
other info that might help us debug this:
context-{5:5}
4 locks held by syz.5.1638/11871:
 #0: ffff888041548420 (sb_writers#5){.+.+}-{0:0}, at: do_coredump+0x23ef/0x2ee0 fs/coredump.c:757
 #1: ffff888050c7a370 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:832 [inline]
 #1: ffff888050c7a370 (&sb->s_type->i_mutex_key#12){+.+.}-{4:4}, at: shmem_file_write_iter+0x80/0x120 mm/shmem.c:3286
 #2: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
 #3: ffffffff8e93a120 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
 #3: ffffffff8e93a120 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
 #3: ffffffff8e93a120 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2370 [inline]
 #3: ffffffff8e93a120 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run2+0x1fc/0x540 kernel/trace/bpf_trace.c:2412
stack backtrace:
CPU: 0 UID: 0 PID: 11871 Comm: syz.5.1638 Not tainted 6.13.0-syzkaller-gd0d106a2bd21 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4828 [inline]
 check_wait_context kernel/locking/lockdep.c:4900 [inline]
 __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5178
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 __raw_read_lock_irqsave include/linux/rwlock_api_smp.h:160 [inline]
 _raw_read_lock_irqsave+0xdd/0x130 kernel/locking/spinlock.c:236
 kernfs_path_from_node+0x92/0xb00 fs/kernfs/dir.c:229
 kernfs_path include/linux/kernfs.h:598 [inline]
 cgroup_path include/linux/cgroup.h:599 [inline]
 get_mm_memcg_path+0x95/0x350 mm/mmap_lock.c:59
 __mmap_lock_do_trace_start_locking+0xeb/0x310 mm/mmap_lock.c:72
 __mmap_lock_trace_start_locking include/linux/mmap_lock.h:29 [inline]
 mmap_read_trylock include/linux/mmap_lock.h:208 [inline]
 stack_map_get_build_id_offset+0x81e/0x870 kernel/bpf/stackmap.c:157
 __bpf_get_stack+0x8da/0xad0 kernel/bpf/stackmap.c:483
 ____bpf_get_stack kernel/bpf/stackmap.c:499 [inline]
 bpf_get_stack+0x33/0x50 kernel/bpf/stackmap.c:496
 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1948 [inline]
 bpf_get_stack_raw_tp+0x1a3/0x240 kernel/trace/bpf_trace.c:1938
 bpf_prog_ec3b2eefa702d8d3+0x43/0x47
 bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline]
 __bpf_prog_run include/linux/filter.h:701 [inline]
 bpf_prog_run include/linux/filter.h:708 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2371 [inline]
 bpf_trace_run2+0x2ec/0x540 kernel/trace/bpf_trace.c:2412
 trace_tlb_flush+0x11c/0x140 include/trace/events/tlb.h:38
 switch_mm_irqs_off+0x77a/0xa70
 context_switch kernel/sched/core.c:5357 [inline]
 __schedule+0x10f2/0x4be0 kernel/sched/core.c:6760
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6939
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6963
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 rmqueue_pcplist mm/page_alloc.c:3046 [inline]
 rmqueue mm/page_alloc.c:3076 [inline]
 get_page_from_freelist+0xa15/0x37a0 mm/page_alloc.c:3473
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
 alloc_pages_mpol_noprof+0x3e1/0x780 mm/mempolicy.c:2269
 folio_alloc_mpol_noprof+0x36/0x50 mm/mempolicy.c:2288
 shmem_alloc_folio mm/shmem.c:1799 [inline]
 shmem_alloc_and_add_folio+0x4a0/0x1080 mm/shmem.c:1838
 shmem_get_folio_gfp+0x621/0x1840 mm/shmem.c:2358
 shmem_get_folio mm/shmem.c:2464 [inline]
 shmem_write_begin+0x165/0x350 mm/shmem.c:3120
 generic_perform_write+0x346/0x990 mm/filemap.c:4046
 shmem_file_write_iter+0xf9/0x120 mm/shmem.c:3296
 __kernel_write_iter+0x42a/0x940 fs/read_write.c:612
 dump_emit_page fs/coredump.c:884 [inline]
 dump_user_range+0x4f1/0x970 fs/coredump.c:945
 elf_core_dump+0x3e9f/0x4790 fs/binfmt_elf.c:2129
 do_coredump+0x242a/0x2ee0 fs/coredump.c:758
 get_signal+0x140b/0x1750 kernel/signal.c:3021
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 irqentry_exit_to_user_mode+0x7e/0x250 kernel/entry/common.c:231
 exc_general_protection+0x410/0x5d0 arch/x86/kernel/traps.c:693
 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:617
RIP: 0033:0x7ff34478cd31
Code: Unable to access opcode bytes at 0x7ff34478cd07.
RSP: 002b:0000000020000440 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007ff3449a5fa0 RCX: 00007ff34478cd29
RDX: 0000000000000000 RSI: 0000000020000440 RDI: 0000000021a22000
RBP: 00007ff34480e2a0 R08: 0000000020000900 R09: 0000000020000900
R10: 00000000200008c0 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff3449a5fa0 R15: 00007ffd15c97208
 </TASK>