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: 14398 Comm: syz-executor.3 Not tainted 5.17.0-rc7-syzkaller-00068-ge7e19defa575 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0xd81/0x56c0 kernel/locking/lockdep.c:4897 Code: 14 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 d5 10 14 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 98 31 00 00 49 81 3e 60 84 1c 8f 0f 84 50 f3 ff RSP: 0018:ffffc90004d8fb88 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920009b1fa0 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000088 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880119e8000 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:0000000056d7e380 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002d130000 CR3: 0000000075603000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000d0eb DR3: 0000000000000000 DR6: 00000000ffff0ff0 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:317 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x27e/0x290 kernel/entry/common.c:207 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline] syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300 __do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf6ecb549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f755cb20 EFLAGS: 00000286 ORIG_RAX: 0000000000000006 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 00000000f7003000 RDI: 00000000002ce9d6 RBP: 00000000f70290a0 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+0xd81/0x56c0 kernel/locking/lockdep.c:4897 Code: 14 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 d5 10 14 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 98 31 00 00 49 81 3e 60 84 1c 8f 0f 84 50 f3 ff RSP: 0018:ffffc90004d8fb88 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff920009b1fa0 RCX: 0000000000000000 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000088 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880119e8000 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:0000000056d7e380 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002d130000 CR3: 0000000075603000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000000000000d0eb DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 14 0e adc $0xe,%al 2: 41 bf 01 00 00 00 mov $0x1,%r15d 8: 0f 86 c8 00 00 00 jbe 0xd6 e: 89 05 d5 10 14 0e mov %eax,0xe1410d5(%rip) # 0xe1410e9 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 98 31 00 00 jne 0x31cc 34: 49 81 3e 60 84 1c 8f cmpq $0xffffffff8f1c8460,(%r14) 3b: 0f .byte 0xf 3c: 84 50 f3 test %dl,-0xd(%rax) 3f: ff .byte 0xff