================================ WARNING: inconsistent lock state 6.1.101-syzkaller #0 Not tainted -------------------------------- inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. syz.1.566/6049 [HC1[1]:SC0[0]:HE0:SE1] takes: ffff8880b9935e90 (lock#11){?.+.}-{2:2}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline] ffff8880b9935e90 (lock#11){?.+.}-{2:2}, at: __mmap_lock_do_trace_acquire_returned+0x84/0x670 mm/mmap_lock.c:237 {HARDIRQ-ON-W} state was registered at: lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_acquire_returned+0x9d/0x670 mm/mmap_lock.c:237 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_write_lock_killable include/linux/mmap_lock.h:88 [inline] do_mprotect_pkey+0xb9f/0xbe0 mm/mprotect.c:702 __do_sys_mprotect mm/mprotect.c:819 [inline] __se_sys_mprotect mm/mprotect.c:816 [inline] __x64_sys_mprotect+0x7c/0x90 mm/mprotect.c:816 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 irq event stamp: 32 hardirqs last enabled at (31): [] kasan_quarantine_put+0xd4/0x220 mm/kasan/quarantine.c:242 hardirqs last disabled at (32): [] sysvec_call_function_single+0xa/0xb0 arch/x86/kernel/smp.c:262 softirqs last enabled at (0): [] rcu_lock_acquire include/linux/rcupdate.h:350 [inline] softirqs last enabled at (0): [] rcu_read_lock include/linux/rcupdate.h:791 [inline] softirqs last enabled at (0): [] copy_process+0x9e1/0x4060 kernel/fork.c:2132 softirqs last disabled at (0): [<0000000000000000>] 0x0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(lock#11); lock(lock#11); *** DEADLOCK *** 3 locks held by syz.1.566/6049: #0: ffffffff8d91a588 (tomoyo_ss){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #0: ffffffff8d91a588 (tomoyo_ss){....}-{0:0}, at: srcu_read_lock include/linux/srcu.h:165 [inline] #0: ffffffff8d91a588 (tomoyo_ss){....}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1110 [inline] #0: ffffffff8d91a588 (tomoyo_ss){....}-{0:0}, at: tomoyo_path_number_perm+0x1f2/0x7f0 security/tomoyo/file.c:722 #1: ffffffff8d32ad40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline] #1: ffffffff8d32ad40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline] #1: ffffffff8d32ad40 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2272 [inline] #1: ffffffff8d32ad40 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 kernel/trace/bpf_trace.c:2312 #2: ffff88801c122e58 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] #2: ffff88801c122e58 (&mm->mmap_lock){++++}-{3:3}, at: stack_map_get_build_id_offset+0x232/0x9c0 kernel/bpf/stackmap.c:144 stack backtrace: CPU: 1 PID: 6049 Comm: syz.1.566 Not tainted 6.1.101-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 valid_state+0x136/0x1c0 kernel/locking/lockdep.c:3969 mark_lock_irq+0xa8/0xba0 kernel/locking/lockdep.c:4172 mark_lock+0x21c/0x340 kernel/locking/lockdep.c:4628 mark_usage kernel/locking/lockdep.c:4520 [inline] __lock_acquire+0xb40/0x1f80 kernel/locking/lockdep.c:5003 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_acquire_returned+0x9d/0x670 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:137 [inline] stack_map_get_build_id_offset+0x99e/0x9c0 kernel/bpf/stackmap.c:144 __bpf_get_stack+0x495/0x570 kernel/bpf/stackmap.c:452 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1877 [inline] bpf_get_stack_raw_tp+0x1b2/0x220 kernel/trace/bpf_trace.c:1867 bpf_prog_ec3b2eefa702d8d3+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:989 [inline] __bpf_prog_run include/linux/filter.h:603 [inline] bpf_prog_run include/linux/filter.h:610 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2273 [inline] bpf_trace_run2+0x1fd/0x410 kernel/trace/bpf_trace.c:2312 trace_tlb_flush+0x151/0x1a0 include/trace/events/tlb.h:38 flush_tlb_func+0x4e3/0x620 arch/x86/mm/tlb.c:875 __flush_smp_call_function_queue+0x2d9/0xd00 kernel/smp.c:641 __sysvec_call_function_single+0xbb/0x360 arch/x86/kernel/smp.c:267 sysvec_call_function_single+0x89/0xb0 arch/x86/kernel/smp.c:262 asm_sysvec_call_function_single+0x16/0x20 arch/x86/include/asm/idtentry.h:661 RIP: 0010:tomoyo_check_path_number_acl+0x8a/0x270 security/tomoyo/file.c:282 Code: 97 fd 83 fb 1f 0f 87 e5 01 00 00 e8 a0 38 97 fd bd 01 00 00 00 89 d9 d3 e5 89 ee 44 21 e6 31 ff e8 eb 3b 97 fd 44 21 e5 74 58 <49> 8d 5f 20 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 RSP: 0018:ffffc90005897b68 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000004 RDX: ffff888077110000 RSI: 0000000000000010 RDI: 0000000000000000 RBP: 0000000000000010 R08: ffffffff83f36305 R09: ffffffff83f49e38 R10: 0000000000000002 R11: ffff888077110000 R12: 0000000000000010 R13: dffffc0000000000 R14: ffff88801837ae80 R15: ffffc90005897ce0 tomoyo_check_acl+0x126/0x3e0 security/tomoyo/domain.c:175 tomoyo_path_number_perm+0x430/0x7f0 security/tomoyo/file.c:733 security_file_ioctl+0x6d/0xa0 security/security.c:1568 __do_sys_ioctl fs/ioctl.c:864 [inline] __se_sys_ioctl+0x47/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f15c6576e9b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007f15c7439070 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15c6576e9b RDX: 0000000000000000 RSI: 0000000000006364 RDI: 00000000000000d8 RBP: 00007f15c6705f80 R08: 0000000000000000 R09: 00007fffa35a3e77 R10: 0000000000000008 R11: 0000000000000246 R12: ffffffffffffffa8 R13: 000000000000000b R14: 00007fffa35a3d90 R15: 00007fffa35a3e78 ---------------- Code disassembly (best guess): 0: 97 xchg %eax,%edi 1: fd std 2: 83 fb 1f cmp $0x1f,%ebx 5: 0f 87 e5 01 00 00 ja 0x1f0 b: e8 a0 38 97 fd call 0xfd9738b0 10: bd 01 00 00 00 mov $0x1,%ebp 15: 89 d9 mov %ebx,%ecx 17: d3 e5 shl %cl,%ebp 19: 89 ee mov %ebp,%esi 1b: 44 21 e6 and %r12d,%esi 1e: 31 ff xor %edi,%edi 20: e8 eb 3b 97 fd call 0xfd973c10 25: 44 21 e5 and %r12d,%ebp 28: 74 58 je 0x82 * 2a: 49 8d 5f 20 lea 0x20(%r15),%rbx <-- trapping instruction 2e: 48 89 d8 mov %rbx,%rax 31: 48 c1 e8 03 shr $0x3,%rax 35: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) 3a: 74 08 je 0x44 3c: 48 89 df mov %rbx,%rdi 3f: e8 .byte 0xe8