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: 11956 Comm: syz-executor.1 Not tainted 5.17.0-rc1-syzkaller-00316-gdf0001545b27 #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: 15 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 6c 36 15 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 74 1d 8f 0f 84 52 f3 ff RSP: 0018:ffffc900044af838 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92000895f32 RCX: 1ffff92000895f19 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1b298ea R11: 0000000000000001 R12: 0000000000000000 R13: ffff88807dbd1d00 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f19c353f058 CR3: 000000000b88e000 CR4: 00000000003506f0 DR0: 00000000200002c0 DR1: 00000000200002c0 DR2: 0000000000000080 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 get_signal+0x4b0/0x28c0 kernel/signal.c:2862 arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x17d/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_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f16f3489e17 Code: Unable to access opcode bytes at RIP 0x7f16f3489ded. RSP: 002b:00007f16f1dfd0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: fffffffffffffffc RBX: 00007f16f359cf60 RCX: 00007f16f3489e17 RDX: 00007f16f1dfe110 RSI: 0000000080085502 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0xd7a/0x5470 kernel/locking/lockdep.c:4897 Code: 15 0e 41 bf 01 00 00 00 0f 86 c8 00 00 00 89 05 6c 36 15 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 74 1d 8f 0f 84 52 f3 ff RSP: 0018:ffffc900044af838 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 1ffff92000895f32 RCX: 1ffff92000895f19 RDX: 0000000000000011 RSI: 0000000000000000 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1b298ea R11: 0000000000000001 R12: 0000000000000000 R13: ffff88807dbd1d00 R14: 0000000000000088 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f19c353f058 CR3: 000000000b88e000 CR4: 00000000003506f0 DR0: 00000000200002c0 DR1: 00000000200002c0 DR2: 0000000000000080 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 41 bf 01 00 00 00 mov $0x1,%r15d 6: 0f 86 c8 00 00 00 jbe 0xd4 c: 89 05 6c 36 15 0e mov %eax,0xe15366c(%rip) # 0xe15367e 12: e9 bd 00 00 00 jmpq 0xd4 17: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1e: fc ff df 21: 4c 89 f2 mov %r14,%rdx 24: 48 c1 ea 03 shr $0x3,%rdx * 28: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2c: 0f 85 9f 2e 00 00 jne 0x2ed1 32: 49 81 3e 60 74 1d 8f cmpq $0xffffffff8f1d7460,(%r14) 39: 0f .byte 0xf 3a: 84 52 f3 test %dl,-0xd(%rdx) 3d: ff .byte 0xff