mac80211_hwsim hwsim11 wlan1: entered promiscuous mode sg_write: data in/out 326/1392 bytes for SCSI command 0x6a-- guessing data in; program syz-executor.4 not setting count and/or reply_len properly ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7086 at lib/iov_iter.c:644 _copy_from_iter+0x2f1/0x1330 Modules linked in: CPU: 0 PID: 7086 Comm: syz-executor.4 Not tainted 6.3.0-next-20230428 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2f1/0x1330 Code: 36 ff 44 89 f3 e9 2f ff ff ff e8 ea 27 36 ff be 88 02 00 00 48 c7 c7 20 da 9e 84 e8 79 1e 5a ff e9 13 fe ff ff e8 cf 27 36 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 c0 27 36 ff 31 ff 89 ee e8 f7 22 RSP: 0018:ffff8880471b7608 EFLAGS: 00010216 RAX: 0000000000000e0a RBX: 0000000000000000 RCX: ffffc9000740d000 RDX: 0000000000040000 RSI: ffffffff8215d5e1 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000570 R13: ffffea00011ad000 R14: 0000000000000570 R15: ffff8880471b7838 FS: 00007fb353d07700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdf70d7db8 CR3: 0000000048b9c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 Call Trace: copy_page_from_iter+0xe3/0x180 blk_rq_map_user_iov+0xb39/0x16c0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 sg_write.part.0+0x698/0xac0 sg_write+0x8d/0xe0 vfs_write+0x2d8/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fb3567b2b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb353d07188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fb3568c6020 RCX: 00007fb3567b2b19 RDX: 00000000000005a0 RSI: 0000000020000500 RDI: 0000000000000007 RBP: 00007fb35680cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe7af4b97f R14: 00007fb353d07300 R15: 0000000000022000 irq event stamp: 1163 hardirqs last enabled at (1175): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1186): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (424): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (393): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- mac80211_hwsim hwsim11 wlan1: left promiscuous mode mac80211_hwsim hwsim11 wlan1: entered promiscuous mode sg_write: data in/out 326/1392 bytes for SCSI command 0x6a-- guessing data in; program syz-executor.4 not setting count and/or reply_len properly mac80211_hwsim hwsim11 wlan1: left promiscuous mode