kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6748 Comm: syz-executor.3 Not tainted 4.19.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:253 [inline] RIP: 0010:do_syscall_64+0x134/0x620 arch/x86/entry/common.c:296 Code: 48 c1 e9 03 80 3c 11 00 0f 85 be 04 00 00 48 89 45 50 e8 0f 31 67 00 48 b8 00 00 00 00 00 fc ff df 65 48 8b 1c 25 00 00 00 00 <00> 00 00 00 00 00 00 00 07 07 00 00 07 07 00 00 07 07 00 00 00 07 RSP: 0018:ffff888086b2ff28 EFLAGS: 00010293 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11010d65ff5 RDX: 0000000000000000 RSI: ffffffff81009b31 RDI: ffff888086b2ffa8 RBP: ffff888086b2ff58 R08: ffff888086b22280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff88d256d8 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000002b66940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000043e260 CR3: 0000000086ae7000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45af30 Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 21 ef 84 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 8a 46 00 00 RSP: 002b:00007ffd5eea8108 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 RAX: 0000000000000000 RBX: 000000000012fa1a RCX: 000000000045af30 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd5eea8110 RBP: 0000000000000f33 R08: 0000000000000001 R09: 0000000002b66940 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00007ffd5eea8160 R14: 000000000012f9ce R15: 00007ffd5eea8170 Modules linked in: ---[ end trace 08270fec586e7896 ]--- RIP: 0010:__read_once_size include/linux/compiler.h:193 [inline] RIP: 0010:syscall_return_slowpath arch/x86/entry/common.c:253 [inline] RIP: 0010:do_syscall_64+0x134/0x620 arch/x86/entry/common.c:296 Code: 48 c1 e9 03 80 3c 11 00 0f 85 be 04 00 00 48 89 45 50 e8 0f 31 67 00 48 b8 00 00 00 00 00 fc ff df 65 48 8b 1c 25 00 00 00 00 <00> 00 00 00 00 00 00 00 07 07 00 00 07 07 00 00 07 07 00 00 00 07 RSP: 0018:ffff888086b2ff28 EFLAGS: 00010293 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff11010d65ff5 RDX: 0000000000000000 RSI: ffffffff81009b31 RDI: ffff888086b2ffa8 RBP: ffff888086b2ff58 R08: ffff888086b22280 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffffffff88d256d8 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000002b66940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000043e260 CR3: 0000000086ae7000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400