Hello, syzbot found the following issue on: HEAD commit: 8c2ab803 Merge tag 'orphan-handling-v5.10-rc2' of git://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12e57870500000 kernel config: https://syzkaller.appspot.com/x/.config?x=3140f5be49a06bf9 dashboard link: https://syzkaller.appspot.com/bug?extid=8b2a88a09653d4084179 compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b) Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8b2a88a09653d4084179@xxxxxxxxxxxxxxxxxxxxxxxxx general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 10716 Comm: syz-executor.0 Not tainted 5.10.0-rc1-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 net/wireless/wext-core.c:1029 [inline] RIP: 0010:wireless_process_ioctl net/wireless/wext-core.c:954 [inline] RIP: 0010:wext_ioctl_dispatch net/wireless/wext-core.c:987 [inline] RIP: 0010:wext_handle_ioctl+0x974/0xb20 net/wireless/wext-core.c:1048 Code: e8 a1 87 a3 f8 eb 6c 48 8b 44 24 18 42 80 3c 20 00 48 8b 5c 24 20 74 08 48 89 df e8 d6 78 e5 f8 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 bd 78 e5 f8 48 8b 1b 48 89 d8 48 RSP: 0018:ffffc900018afe00 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff88d17b88 RDX: ffff88801a3ccec0 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88802b398000 R08: ffffffff88d17baf R09: ffffed1005673009 R10: ffffed1005673009 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000008b04 FS: 00007f0710ce1700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ce26000 CR3: 000000001efa8000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_ioctl+0xdc/0x690 net/socket.c:1119 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45de49 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:00007f0710ce0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000013440 RCX: 000000000045de49 RDX: 00000000200000c0 RSI: 0000000000008b04 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007fff190b875f R14: 00007f0710ce19c0 R15: 000000000118bf2c Modules linked in: ---[ end trace 82d7ada5671b3a90 ]--- RIP: 0010:call_commit_handler net/wireless/wext-core.c:900 [inline] RIP: 0010:ioctl_standard_call net/wireless/wext-core.c:1029 [inline] RIP: 0010:wireless_process_ioctl net/wireless/wext-core.c:954 [inline] RIP: 0010:wext_ioctl_dispatch net/wireless/wext-core.c:987 [inline] RIP: 0010:wext_handle_ioctl+0x974/0xb20 net/wireless/wext-core.c:1048 Code: e8 a1 87 a3 f8 eb 6c 48 8b 44 24 18 42 80 3c 20 00 48 8b 5c 24 20 74 08 48 89 df e8 d6 78 e5 f8 48 8b 1b 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 bd 78 e5 f8 48 8b 1b 48 89 d8 48 RSP: 0018:ffffc900018afe00 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff88d17b88 RDX: ffff88801a3ccec0 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff88802b398000 R08: ffffffff88d17baf R09: ffffed1005673009 R10: ffffed1005673009 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000008b04 FS: 00007f0710ce1700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f04025f6000 CR3: 000000001efa8000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
