general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f] CPU: 1 PID: 15076 Comm: syz-executor.3 Not tainted 6.2.0-rc3-next-20230109-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__lock_acquire+0xd83/0x5660 kernel/locking/lockdep.c:4926 Code: 3d 0f 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 53 d5 3d 0f e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 e6 30 00 00 49 81 3e 60 86 f8 8f 0f 84 4c f3 ff RSP: 0018:ffffc90003767818 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920006ecf31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1ce7722 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88807725ba80 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5ab7d83558 CR3: 000000007aed2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire.part.0+0x11a/0x350 kernel/locking/lockdep.c:5669 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162 hidraw_release+0xcd/0x4c0 drivers/hid/hidraw.c:352 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0x16f/0x270 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0xb17/0x2a90 kernel/exit.c:867 do_group_exit+0xd4/0x2a0 kernel/exit.c:1012 get_signal+0x225f/0x24f0 kernel/signal.c:2859 arch_do_signal_or_restart+0x79/0x5c0 arch/x86/kernel/signal.c:306 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:297 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdb6083e254 Code: Unable to access opcode bytes at 0x7fdb6083e22a. RSP: 002b:00007fdb6153cca0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: 0000000000000005 RBX: 6666666666666667 RCX: 00007fdb6083e254 RDX: 0000000000000000 RSI: 00007fdb6153cd40 RDI: 00000000ffffff9c RBP: 00007fdb6153cd40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007ffd9a2ea54f R14: 00007fdb6153d300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd83/0x5660 kernel/locking/lockdep.c:4926 Code: 3d 0f 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 53 d5 3d 0f e9 bd 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 e6 30 00 00 49 81 3e 60 86 f8 8f 0f 84 4c f3 ff RSP: 0018:ffffc90003767818 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920006ecf31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1ce7722 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88807725ba80 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5ab7d83558 CR3: 000000007aed2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 0f 41 bf 01 00 00 00 cmovno 0x1(%rdi),%edi 7: 0f 86 c8 00 00 00 jbe 0xd5 d: 89 05 53 d5 3d 0f mov %eax,0xf3dd553(%rip) # 0xf3dd566 13: e9 bd 00 00 00 jmpq 0xd5 18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1f: fc ff df 22: 4c 89 f2 mov %r14,%rdx 25: 48 c1 ea 03 shr $0x3,%rdx * 29: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2d: 0f 85 e6 30 00 00 jne 0x3119 33: 49 81 3e 60 86 f8 8f cmpq $0xffffffff8ff88660,(%r14) 3a: 0f .byte 0xf 3b: 84 4c f3 ff test %cl,-0x1(%rbx,%rsi,8)