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: 6530 Comm: syz-executor.0 Not tainted 6.2.0-rc2-syzkaller-00010-g69b41ac87e4a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__lock_acquire+0x6b/0x1f60 kernel/locking/lockdep.c:4925 Code: ff df 8a 04 10 84 c0 0f 85 62 16 00 00 83 3d 4f be 43 0d 00 0f 84 13 15 00 00 83 3d ee 76 d2 0b 00 74 2c 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 57 e4 77 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000b2afa48 EFLAGS: 00010006 RAX: 0000000000000011 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000088 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1d6043e R11: 1ffffffff1d6043d R12: 0000000000000001 R13: 0000000000000088 R14: 0000000000000001 R15: 0000000000000000 FS: 0000555557513400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff47c584998 CR3: 0000000022cd3000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1a7/0x400 kernel/locking/lockdep.c:5668 __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+0xc1/0x5d0 drivers/hid/hidraw.c:352 __fput+0x3ba/0x880 fs/file_table.c:320 task_work_run+0x243/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x134/0x160 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc44983df7b 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:00007fffbfea7320 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fc44983df7b RDX: 0000001b32420000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fc4499ad980 R08: 0000000000000000 R09: 0000000000000010 R10: 00007fffbfeb30b8 R11: 0000000000000293 R12: 000000000007dca5 R13: 00007fffbfea7420 R14: 00007fc4499ac050 R15: 0000000000000032 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6b/0x1f60 kernel/locking/lockdep.c:4925 Code: ff df 8a 04 10 84 c0 0f 85 62 16 00 00 83 3d 4f be 43 0d 00 0f 84 13 15 00 00 83 3d ee 76 d2 0b 00 74 2c 4c 89 e8 48 c1 e8 03 <80> 3c 10 00 74 12 4c 89 ef e8 57 e4 77 00 48 ba 00 00 00 00 00 fc RSP: 0018:ffffc9000b2afa48 EFLAGS: 00010006 RAX: 0000000000000011 RBX: 0000000000000000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000088 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: fffffbfff1d6043e R11: 1ffffffff1d6043d R12: 0000000000000001 R13: 0000000000000088 R14: 0000000000000001 R15: 0000000000000000 FS: 0000555557513400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff47c584998 CR3: 0000000022cd3000 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 62 16 00 00 jne 0x166e c: 83 3d 4f be 43 0d 00 cmpl $0x0,0xd43be4f(%rip) # 0xd43be62 13: 0f 84 13 15 00 00 je 0x152c 19: 83 3d ee 76 d2 0b 00 cmpl $0x0,0xbd276ee(%rip) # 0xbd2770e 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 57 e4 77 00 callq 0x77e48e 37: 48 rex.W 38: ba 00 00 00 00 mov $0x0,%edx 3d: 00 fc add %bh,%ah