general protection fault, probably for non-canonical address 0xdffffc0000000011: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000088-0x000000000000008f] CPU: 0 PID: 16248 Comm: syz-executor.5 Not tainted 6.2.0-rc5-syzkaller-00917-gc52c9acc415e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__lock_acquire+0xd83/0x56d0 kernel/locking/lockdep.c:4925 Code: 4b 09 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 c3 51 4b 09 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 4e 31 00 00 49 81 3e 60 32 cd 89 0f 84 4c f3 ff RSP: 0018:ffffc9000e23f808 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92001c47f31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff11be272 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88810f525400 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f82cd2fed38 CR3: 000000011bca4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __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+0xaa8/0x28d0 kernel/exit.c:867 do_group_exit+0xd4/0x2a0 kernel/exit.c:1012 get_signal+0x21c3/0x2450 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+0x156/0x200 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb7989c00c9 Code: Unable to access opcode bytes at 0x7fb7989c009f. RSP: 002b:00007fb797cf1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007fb798ae0128 RCX: 00007fb7989c00c9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb798ae0128 RBP: 00007fb798ae0120 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb798ae012c R13: 00007ffd15c2e9df R14: 00007fb797cf1300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd83/0x56d0 kernel/locking/lockdep.c:4925 Code: 4b 09 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 c3 51 4b 09 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 4e 31 00 00 49 81 3e 60 32 cd 89 0f 84 4c f3 ff RSP: 0018:ffffc9000e23f808 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92001c47f31 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff11be272 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88810f525400 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f82cd2fed38 CR3: 000000011bca4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 4b 09 41 bf rex.WXB or %rax,-0x41(%r9) 4: 01 00 add %eax,(%rax) 6: 00 00 add %al,(%rax) 8: 0f 86 c8 00 00 00 jbe 0xd6 e: 89 05 c3 51 4b 09 mov %eax,0x94b51c3(%rip) # 0x94b51d7 14: e9 bd 00 00 00 jmpq 0xd6 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 f2 mov %r14,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 4e 31 00 00 jne 0x3182 34: 49 81 3e 60 32 cd 89 cmpq $0xffffffff89cd3260,(%r14) 3b: 0f .byte 0xf 3c: 84 4c f3 ff test %cl,-0x1(%rbx,%rsi,8)