================================
WARNING: inconsistent lock state
6.10.0-syzkaller-04485-gfa5ef655615a #0 Not tainted
--------------------------------
inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
syz.1.1754/10558 [HC1[1]:SC0[0]:HE0:SE1] takes:
ffff8880b9538798 (lock#10){?.+.}-{2:2}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
ffff8880b9538798 (lock#10){?.+.}-{2:2}, at: __mmap_lock_do_trace_acquire_returned+0x8f/0x630 mm/mmap_lock.c:237
{HARDIRQ-ON-W} state was registered at:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753
local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
__mmap_lock_do_trace_start_locking+0x9c/0x620 mm/mmap_lock.c:230
__mmap_lock_trace_start_locking include/linux/mmap_lock.h:29 [inline]
mmap_write_lock include/linux/mmap_lock.h:105 [inline]
exit_mmap+0xb13/0xc80 mm/mmap.c:3349
__mmput+0x115/0x390 kernel/fork.c:1343
exit_mm+0x220/0x310 kernel/exit.c:566
do_exit+0x9b2/0x27f0 kernel/exit.c:864
do_group_exit+0x207/0x2c0 kernel/exit.c:1026
__do_sys_exit_group kernel/exit.c:1037 [inline]
__se_sys_exit_group kernel/exit.c:1035 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1035
x64_sys_call+0x2634/0x2640 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
irq event stamp: 10
hardirqs last enabled at (9): [<ffffffff8b8c0fe3>] do_user_addr_fault arch/x86/mm/fault.c:1283 [inline]
hardirqs last enabled at (9): [<ffffffff8b8c0fe3>] handle_page_fault arch/x86/mm/fault.c:1481 [inline]
hardirqs last enabled at (9): [<ffffffff8b8c0fe3>] exc_page_fault+0x113/0x8c0 arch/x86/mm/fault.c:1539
hardirqs last disabled at (10): [<ffffffff8b8c03ce>] sysvec_call_function_single+0xe/0xc0 arch/x86/kernel/smp.c:266
softirqs last enabled at (0): [<ffffffff81579fd3>] rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
softirqs last enabled at (0): [<ffffffff81579fd3>] rcu_read_lock include/linux/rcupdate.h:839 [inline]
softirqs last enabled at (0): [<ffffffff81579fd3>] copy_process+0xa03/0x3dc0 kernel/fork.c:2242
softirqs last disabled at (0): [<0000000000000000>] 0x0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(lock#10);
<Interrupt>
lock(lock#10);
*** DEADLOCK ***
8 locks held by syz.1.1754/10558:
#0: ffff8880222b0d18 (&vma->vm_lock->lock){++++}-{3:3}, at: vma_start_read include/linux/mm.h:683 [inline]
#0: ffff8880222b0d18 (&vma->vm_lock->lock){++++}-{3:3}, at: lock_vma_under_rcu+0x2f9/0x6e0 mm/memory.c:5845
#1: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
#1: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline]
#1: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: do_fault_around mm/memory.c:4878 [inline]
#1: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: do_read_fault mm/memory.c:4912 [inline]
#1: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: do_fault mm/memory.c:5051 [inline]
#1: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: do_pte_missing mm/memory.c:3897 [inline]
#1: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: handle_pte_fault+0x222c/0x7090 mm/memory.c:5381
#2: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
#2: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline]
#2: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: filemap_map_pages+0x24f/0x1e70 mm/filemap.c:3615
#3: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
#3: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline]
#3: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: __pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287
#4: ffff88801190f678 (ptlock_ptr(ptdesc)#2){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
#4: ffff88801190f678 (ptlock_ptr(ptdesc)#2){+.+.}-{2:2}, at: __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:375
#5: ffffffff8e335f60 (rcu_read_lock_sched){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
#5: ffffffff8e335f60 (rcu_read_lock_sched){....}-{1:2}, at: rcu_read_lock_sched include/linux/rcupdate.h:931 [inline]
#5: ffffffff8e335f60 (rcu_read_lock_sched){....}-{1:2}, at: pfn_valid+0xf6/0x450 include/linux/mmzone.h:2022
#6: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline]
#6: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline]
#6: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2405 [inline]
#6: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x1fc/0x540 kernel/trace/bpf_trace.c:2447
#7: ffff8880615ce098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:163 [inline]
#7: ffff8880615ce098 (&mm->mmap_lock){++++}-{3:3}, at: stack_map_get_build_id_offset+0x237/0x9d0 kernel/bpf/stackmap.c:141
stack backtrace:
CPU: 1 PID: 10558 Comm: syz.1.1754 Not tainted 6.10.0-syzkaller-04485-gfa5ef655615a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
valid_state+0x13a/0x1c0 kernel/locking/lockdep.c:4012
mark_lock_irq+0xbb/0xc20 kernel/locking/lockdep.c:4215
mark_lock+0x223/0x350 kernel/locking/lockdep.c:4677
mark_usage kernel/locking/lockdep.c:4563 [inline]
__lock_acquire+0xb8e/0x1fd0 kernel/locking/lockdep.c:5090
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753
local_lock_acquire include/linux/local_lock_internal.h:29 [inline]
__mmap_lock_do_trace_acquire_returned+0xa8/0x630 mm/mmap_lock.c:237
__mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline]
mmap_read_trylock include/linux/mmap_lock.h:164 [inline]
stack_map_get_build_id_offset+0x9af/0x9d0 kernel/bpf/stackmap.c:141
__bpf_get_stack+0x4ad/0x5a0 kernel/bpf/stackmap.c:449
____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1997 [inline]
bpf_get_stack_raw_tp+0x1a3/0x240 kernel/trace/bpf_trace.c:1987
bpf_prog_ec3b2eefa702d8d3+0x42/0x46
bpf_dispatcher_nop_func include/linux/bpf.h:1243 [inline]
__bpf_prog_run include/linux/filter.h:691 [inline]
bpf_prog_run include/linux/filter.h:698 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2406 [inline]
bpf_trace_run2+0x2ec/0x540 kernel/trace/bpf_trace.c:2447
trace_tlb_flush+0x118/0x140 include/trace/events/tlb.h:38
flush_tlb_func+0x4e7/0x630 arch/x86/mm/tlb.c:892
csd_do_func kernel/smp.c:134 [inline]
__flush_smp_call_function_queue+0x3fc/0x1690 kernel/smp.c:512
__sysvec_call_function_single+0xb8/0x430 arch/x86/kernel/smp.c:271
instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
sysvec_call_function_single+0x9e/0xc0 arch/x86/kernel/smp.c:266
</IRQ>
<TASK>
asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
RIP: 0010:rcu_is_watching+0x26/0xb0 kernel/rcu/tree.c:726
Code: 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 65 ff 05 28 5b 87 7e e8 fb bb 0f 0a 89 c3 83 f8 08 73 7a 49 bf 00 00 00 00 00 fc ff df <4c> 8d 34 dd 40 3a dd 8d 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08
RSP: 0000:ffffc90003f17500 EFLAGS: 00000297
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff888022930000
RDX: ffff888022930000 RSI: ffffffff8c204580 RDI: ffffffff8c204540
RBP: 0000000000000001 R08: ffffffff820879e2 R09: 1ffffffff25f9eb8
R10: dffffc0000000000 R11: fffffbfff25f9eb9 R12: dffffc0000000000
R13: 00000000000113ca R14: ffffffff82087766 R15: dffffc0000000000
rcu_read_unlock_sched include/linux/rcupdate.h:950 [inline]
pfn_valid+0x37b/0x450 include/linux/mmzone.h:2032
page_table_check_set+0x25/0x550 mm/page_table_check.c:110
__page_table_check_ptes_set+0x30f/0x410 mm/page_table_check.c:225
page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
set_ptes include/linux/pgtable.h:267 [inline]
set_pte_range+0x71f/0x750 mm/memory.c:4707
filemap_map_order0_folio mm/filemap.c:3594 [inline]
filemap_map_pages+0x117b/0x1e70 mm/filemap.c:3644
do_fault_around mm/memory.c:4879 [inline]
do_read_fault mm/memory.c:4912 [inline]
do_fault mm/memory.c:5051 [inline]
do_pte_missing mm/memory.c:3897 [inline]
handle_pte_fault+0x3b9b/0x7090 mm/memory.c:5381
__handle_mm_fault mm/memory.c:5524 [inline]
handle_mm_fault+0x10df/0x1ba0 mm/memory.c:5689
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f1db230c910
Code: Unable to access opcode bytes at 0x7f1db230c8e6.
RSP: 002b:00007f1db30a3118 EFLAGS: 00010246
RAX: fffffffffffffeb8 RBX: 00007f1db30a36c0 RCX: 00007f1db23a9ee9
RDX: 00007f1db30a3d78 RSI: 0000000000000058 RDI: 00007f1db30a36c0
RBP: 0000000000000000 R08: 00007f1db30a36c0 R09: 00007ffd4d5cf6a7
R10: 0000000000000008 R11: 0000000000000202 R12: ffffffffffffffa8
R13: 000000000000000b R14: 00007ffd4d5cf5c0 R15: 00007ffd4d5cf6a8
</TASK>
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: f3 0f 1e fa endbr64
8: 41 57 push %r15
a: 41 56 push %r14
c: 53 push %rbx
d: 65 ff 05 28 5b 87 7e incl %gs:0x7e875b28(%rip) # 0x7e875b3c
14: e8 fb bb 0f 0a call 0xa0fbc14
19: 89 c3 mov %eax,%ebx
1b: 83 f8 08 cmp $0x8,%eax
1e: 73 7a jae 0x9a
20: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15
27: fc ff df
* 2a: 4c 8d 34 dd 40 3a dd lea -0x7222c5c0(,%rbx,8),%r14 <-- trapping instruction
31: 8d
32: 4c 89 f0 mov %r14,%rax
35: 48 c1 e8 03 shr $0x3,%rax
39: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
3e: 74 08 je 0x48