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: 9968 Comm: syz-executor.1 Not tainted 5.18.0-rc2-syzkaller-00275-g59250f8a7f3a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0x6a/0x1f80 kernel/locking/lockdep.c:4899 Code: ff df 8a 04 10 84 c0 0f 85 60 16 00 00 83 3d 50 86 79 0c 00 0f 84 10 15 00 00 83 3d 0f ab 17 0b 00 74 2c 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 28 bc 6f 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000522fb08 EFLAGS: 00010006 RAX: 0000000000000011 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000088 RBP: ffff88807d580000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1bc07ce R11: 1ffffffff1bc07cd R12: 0000000000000000 R13: 0000000000000088 R14: 0000000000000001 R15: 0000000000000000 FS: 000055555611c400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559525a06338 CR3: 000000002cf30000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5641 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 hidraw_release+0xb9/0x4a0 drivers/hid/hidraw.c:352 __fput+0x3b9/0x820 fs/file_table.c:317 task_work_run+0x146/0x1c0 kernel/task_work.c:164 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:169 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f69ae23bd2b Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44 RSP: 002b:00007ffcfd9cd910 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f69ae23bd2b RDX: 0000000000000000 RSI: 00007f69ada00528 RDI: 0000000000000004 RBP: 00007f69ae39d960 R08: 0000000000000000 R09: 000000008fac0ea9 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000063c55 R13: 00007ffcfd9cda10 R14: 00007ffcfd9cda30 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x1f80 kernel/locking/lockdep.c:4899 Code: ff df 8a 04 10 84 c0 0f 85 60 16 00 00 83 3d 50 86 79 0c 00 0f 84 10 15 00 00 83 3d 0f ab 17 0b 00 74 2c 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 28 bc 6f 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000522fb08 EFLAGS: 00010006 RAX: 0000000000000011 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000088 RBP: ffff88807d580000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1bc07ce R11: 1ffffffff1bc07cd R12: 0000000000000000 R13: 0000000000000088 R14: 0000000000000001 R15: 0000000000000000 FS: 000055555611c400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000559525a06338 CR3: 000000002cf30000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 8a 04 10 84 c0 fisttps -0x3f7beffc(%rdx) 6: 0f 85 60 16 00 00 jne 0x166c c: 83 3d 50 86 79 0c 00 cmpl $0x0,0xc798650(%rip) # 0xc798663 13: 0f 84 10 15 00 00 je 0x1529 19: 83 3d 0f ab 17 0b 00 cmpl $0x0,0xb17ab0f(%rip) # 0xb17ab2f 20: 74 2c je 0x4e 22: 4c 89 e8 mov %r13,%rax 25: 48 c1 e8 03 shr $0x3,%rax * 29: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) <-- trapping instruction 2d: 74 12 je 0x41 2f: 4c 89 ef mov %r13,%rdi 32: e8 28 bc 6f 00 callq 0x6fbc5f 37: 48 rex.W 38: ba 00 00 00 00 mov $0x0,%edx 3d: 00 fc add %bh,%ah