audit: type=1326 audit(1685704039.619:93): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=196862 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fdccb342b19 code=0x0 sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.2 not setting count and/or reply_len properly ------------[ cut here ]------------ WARNING: CPU: 0 PID: 196864 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x1320 Modules linked in: CPU: 0 PID: 196864 Comm: syz-executor.2 Not tainted 6.4.0-rc4-next-20230602 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2f1/0x1320 Code: b2 ff ff 89 c3 e9 1f ff ff ff e8 7a e0 35 ff be 85 01 00 00 48 c7 c7 60 ea 9e 84 e8 59 3a 5a ff e9 13 fe ff ff e8 5f e0 35 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 50 e0 35 ff 31 ff 89 ee e8 87 db RSP: 0018:ffff88802fb3f608 EFLAGS: 00010216 RAX: 0000000000002ea6 RBX: 0000000000000000 RCX: ffffc90003415000 RDX: 0000000000040000 RSI: ffffffff82162b21 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000 R13: ffffea0000e99200 R14: 0000000000001000 R15: ffff88802fb3f838 FS: 00007fd904bbe700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efe0c48fb78 CR3: 000000003e584000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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+0x2b8/0xd40 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7fd907648b19 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:00007fd904bbe188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd90775bf60 RCX: 00007fd907648b19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007fd9076a2f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe450c7a6f R14: 00007fd904bbe300 R15: 0000000000022000 irq event stamp: 5559 hardirqs last enabled at (5615): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (5672): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (5138): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (5107): [] irq_exit_rcu+0x93/0xc0 ---[ end trace 0000000000000000 ]--- audit: type=1326 audit(1685704040.453:94): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=196862 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fdccb342b19 code=0x0 audit: type=1326 audit(1685704040.700:95): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=197327 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fdccb342b19 code=0x0 audit: type=1326 audit(1685704041.795:96): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=197658 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fdccb342b19 code=0x0 audit: type=1326 audit(1685704042.824:97): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=198061 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fdccb342b19 code=0x0 program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.2 is using a deprecated SCSI ioctl, please convert it to SG_IO ext4: Unknown parameter 'no' ext4: Unknown parameter 'no' ext4: Unknown parameter 'no' ext4: Unknown parameter 'no' ext4: Unknown parameter 'no'