sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.6 not setting count and/or reply_len properly ------------[ cut here ]------------ WARNING: CPU: 1 PID: 14799 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170 Modules linked in: CPU: 1 PID: 14799 Comm: syz-executor.6 Not tainted 6.2.0-rc2-next-20230105 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2bf/0x1170 Code: 5d 41 5e 41 5f e9 d5 30 32 02 e8 6c 32 37 ff be 79 02 00 00 48 c7 c7 c0 d1 9e 84 e8 4b de 5a ff e9 48 fe ff ff e8 51 32 37 ff <0f> 0b 45 31 f6 eb 87 e8 45 32 37 ff 31 ff 89 ee e8 0c 2e 37 ff 40 RSP: 0018:ffff8880418cf5e8 EFLAGS: 00010212 RAX: 0000000000001141 RBX: 0000000000000000 RCX: ffffc90006003000 RDX: 0000000000040000 RSI: ffffffff8212428f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880418cf818 R13: ffffea0000692000 R14: 0000000000000390 R15: ffff8880418cf818 FS: 00007f9648095700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555563e8c18 CR3: 0000000043598000 CR4: 0000000000350ee0 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+0xb0c/0x1650 blk_rq_map_user_io+0x1ee/0x220 sg_common_write.constprop.0+0xd84/0x15e0 sg_write.part.0+0x698/0xa90 sg_write+0x8d/0xe0 vfs_write+0x2cf/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f964ab1fb19 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:00007f9648095188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f964ac32f60 RCX: 00007f964ab1fb19 RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000007 RBP: 00007f964ab79f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd19fda6af R14: 00007f9648095300 R15: 0000000000022000 irq event stamp: 3831 hardirqs last enabled at (3859): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (3888): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2800): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (2649): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.6 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.6 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.5 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.2 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.1 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.6 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.5 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.1 not setting count and/or reply_len properly sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in; program syz-executor.2 not setting count and/or reply_len properly audit: type=1326 audit(2000000088.752:22): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=14918 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9fc09f6b19 code=0x0 audit: type=1326 audit(2000000089.060:23): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=14937 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9fc09f6b19 code=0x0 audit: type=1326 audit(2000000089.162:24): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=14954 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9fc09f6b19 code=0x0 audit: type=1326 audit(2000000089.312:25): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=14969 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9fc09f6b19 code=0x0 syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len syz_tun: refused to change device tx_queue_len netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. device lo left promiscuous mode device lo entered promiscuous mode device lo left promiscuous mode device lo entered promiscuous mode netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 device lo left promiscuous mode device lo entered promiscuous mode netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 syz-executor.4 (15310) used greatest stack depth: 22256 bytes left device lo left promiscuous mode device lo entered promiscuous mode netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 EXT4-fs (sda): Can't modify superblock whileperforming online resize