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: 21037 Comm: syz-executor595 Not tainted 5.17.0-rc2-syzkaller-00039-g9f7fb8de5d9b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xd7a/0x5470 kernel/locking/lockdep.c:4897 Code: 13 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 6c d6 13 0e 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 9f 2e 00 00 49 81 3e 60 14 1c 8f 0f 84 52 f3 ff RSP: 0018:ffffc9000276faa8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920004edf80 RCX: 1ffff920004edf67 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1b2778a R11: 0000000000000001 R12: 0000000000000000 R13: ffff888020248000 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000ff840344 CR3: 00000000706f9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 hidraw_release+0xca/0x370 drivers/hid/hidraw.c:352 __fput+0x286/0x9f0 fs/file_table.c:311 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0xb29/0x2a30 kernel/exit.c:806 do_group_exit+0xd2/0x2f0 kernel/exit.c:935 __do_sys_exit_group kernel/exit.c:946 [inline] __se_sys_exit_group kernel/exit.c:944 [inline] __ia32_sys_exit_group+0x3a/0x50 kernel/exit.c:944 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf7ef7549 Code: Unable to access opcode bytes at RIP 0xf7ef751f. RSP: 002b:00000000ff8402ec EFLAGS: 00000292 ORIG_RAX: 00000000000000fc RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000f7fa3fa0 RSI: 00000000f7fa43b8 RDI: 00000000f7fa43b8 RBP: 00000000f7fa4928 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd7a/0x5470 kernel/locking/lockdep.c:4897 Code: 13 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 6c d6 13 0e 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 9f 2e 00 00 49 81 3e 60 14 1c 8f 0f 84 52 f3 ff RSP: 0018:ffffc9000276faa8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920004edf80 RCX: 1ffff920004edf67 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1b2778a R11: 0000000000000001 R12: 0000000000000000 R13: ffff888020248000 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000ff840344 CR3: 00000000706f9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 13 0e adc (%rsi),%ecx 2: 41 bf 01 00 00 00 mov $0x1,%r15d 8: 0f 86 c8 00 00 00 jbe 0xd6 e: 89 05 6c d6 13 0e mov %eax,0xe13d66c(%rip) # 0xe13d680 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 9f 2e 00 00 jne 0x2ed3 34: 49 81 3e 60 14 1c 8f cmpq $0xffffffff8f1c1460,(%r14) 3b: 0f .byte 0xf 3c: 84 52 f3 test %dl,-0xd(%rdx) 3f: ff .byte 0xff