Hello, syzbot found the following issue on: HEAD commit: c44711b78608 liquidio: Adjust a NULL pointer handling path.. git tree: net console+strace: https://syzkaller.appspot.com/x/log.txt?x=164c2762980000 kernel config: https://syzkaller.appspot.com/x/.config?x=333ebe38d43c42e2 dashboard link: https://syzkaller.appspot.com/bug?extid=cd6135193ba6bb9ad158 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=105b4602980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=163c3b32980000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/47ff53e982e7/disk-c44711b7.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/7b10dcb52f35/vmlinux-c44711b7.xz kernel image: https://storage.googleapis.com/syzbot-assets/b4a6bf6f87c5/bzImage-c44711b7.xz The issue was bisected to: commit f7a8b10bfd614d7a9a16fbe80d28ead4f063cb00 Author: Johannes Berg <johannes.berg@xxxxxxxxx> Date: Fri May 10 09:37:38 2024 +0000 wifi: cfg80211: fix 6 GHz scan request building bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13500a36980000 final oops: https://syzkaller.appspot.com/x/report.txt?x=10d00a36980000 console output: https://syzkaller.appspot.com/x/log.txt?x=17500a36980000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cd6135193ba6bb9ad158@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: f7a8b10bfd61 ("wifi: cfg80211: fix 6 GHz scan request building") warning: `syz-executor368' uses wireless extensions which will stop working for Wi-Fi 7 hardware; use nl80211 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5094 at net/wireless/rdev-ops.h:462 rdev_scan+0x188/0x300 net/wireless/rdev-ops.h:462 Modules linked in: CPU: 1 PID: 5094 Comm: syz-executor368 Not tainted 6.10.0-rc2-syzkaller-00228-gc44711b78608 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:rdev_scan+0x188/0x300 net/wireless/rdev-ops.h:462 Code: e8 0d a8 01 00 89 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 17 35 c1 f6 90 0f 0b 90 e9 23 ff ff ff e8 09 35 c1 f6 90 <0f> 0b 90 bb ea ff ff ff eb d1 e8 f9 34 c1 f6 c6 05 42 dd c2 04 01 RSP: 0018:ffffc900034778d8 EFLAGS: 00010293 RAX: ffffffff8ad4f177 RBX: ffff888022a50000 RCX: ffff88807ea21e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8ad4f033 R09: 1ffffffff1f5a965 R10: dffffc0000000000 R11: fffffbfff1f5a966 R12: dffffc0000000000 R13: ffff888022a50000 R14: ffff88807c98c000 R15: ffff88807c98c000 FS: 0000555573837380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000005fdeb8 CR3: 0000000029ce0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> cfg80211_wext_siwscan+0xcbf/0x10d0 net/wireless/scan.c:3509 ioctl_standard_iw_point+0x788/0xcb0 net/wireless/wext-core.c:867 ioctl_standard_call+0xc7/0x290 net/wireless/wext-core.c:1052 wext_ioctl_dispatch+0x58e/0x640 net/wireless/wext-core.c:1016 wext_handle_ioctl+0x15f/0x270 net/wireless/wext-core.c:1077 sock_ioctl+0x17f/0x8e0 net/socket.c:1275 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb389e893a9 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc48732138 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffc48732308 RCX: 00007fb389e893a9 RDX: 0000000020000000 RSI: 0000000000008b18 RDI: 0000000000000003 RBP: 00007fb389efc610 R08: 0000000000000000 R09: 00007ffc48732308 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc487322f8 R14: 0000000000000001 R15: 0000000000000001 </TASK> --- 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. For information about bisection process see: https://goo.gl/tpsmEJ#bisection If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
