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: 0 PID: 19716 Comm: syz-executor.2 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:call_commit_handler net/wireless/wext-core.c:900 [inline] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 net/wireless/wext-core.c:1029 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c7 00 00 00 48 8b 9d e8 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 98 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b RSP: 0018:ffff8880943a7b08 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90009f61000 RDX: 0000000000000000 RSI: ffffffff87b365cd RDI: ffff888053cf47a8 RBP: ffff888053cf45c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880943a7bf0 R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 FS: 00007f22fafcf700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2bc23000 CR3: 000000004d4a0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wireless_process_ioctl+0x376/0x4b0 net/wireless/wext-core.c:954 wext_ioctl_dispatch net/wireless/wext-core.c:987 [inline] wext_ioctl_dispatch net/wireless/wext-core.c:975 [inline] wext_handle_ioctl+0x26b/0x280 net/wireless/wext-core.c:1048 sock_ioctl+0x306/0x5d0 net/socket.c:1015 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f22fafcec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000000133c0 RCX: 000000000045de59 RDX: 00000000200000c0 RSI: 0000000000008b04 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffc9a7b7b3f R14: 00007f22fafcf9c0 R15: 000000000118bf2c Modules linked in: audit: type=1800 audit(1603326808.135:24158): pid=19724 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="file1" dev="sda1" ino=16132 res=0 ---[ end trace dd10c5ce47981d6f ]--- RIP: 0010:call_commit_handler net/wireless/wext-core.c:900 [inline] RIP: 0010:ioctl_standard_call+0x1f7/0x2c0 net/wireless/wext-core.c:1029 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 c7 00 00 00 48 8b 9d e8 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 98 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b audit: type=1800 audit(1603326808.423:24159): pid=19745 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="file1" dev="sda1" ino=16321 res=0 RSP: 0018:ffff8880943a7b08 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90009f61000 RDX: 0000000000000000 RSI: ffffffff87b365cd RDI: ffff888053cf47a8 RBP: ffff888053cf45c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880943a7bf0 R13: 0000000000008b04 R14: 0000000000000000 R15: 0000000000000004 FS: 00007f22fafcf700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 audit: type=1800 audit(1603326808.682:24160): pid=19756 uid=0 auid=0 ses=4 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="file1" dev="sda1" ino=16321 res=0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561bce5cbeb8 CR3: 000000004d4a0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400