------------[ cut here ]------------ WARNING: CPU: 1 PID: 190537 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170 Modules linked in: CPU: 1 PID: 190537 Comm: syz-executor.3 Not tainted 6.2.0-rc4-next-20230119 #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 55 2d 33 02 e8 4c 8f 37 ff be 79 02 00 00 48 c7 c7 40 e3 9e 84 e8 bb 2a 5b ff e9 48 fe ff ff e8 31 8f 37 ff <0f> 0b 45 31 f6 eb 87 e8 25 8f 37 ff 31 ff 89 ee e8 ec 8a 37 ff 40 RSP: 0018:ffff88803efdf608 EFLAGS: 00010212 RAX: 0000000000006b74 RBX: 0000000000000000 RCX: ffffc900053f5000 RDX: 0000000000040000 RSI: ffffffff8211de0f RDI: 0000000000000001 RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803efdf838 R13: ffffea00014c8400 R14: 0000000000001000 R15: ffff88803efdf838 FS: 00007fa2a1689700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f776cf8b3a4 CR3: 0000000041be2000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: copy_page_from_iter+0x251/0x430 blk_rq_map_user_iov+0xb41/0x16c0 blk_rq_map_user_io+0x1d1/0x200 sg_common_write.constprop.0+0xd8d/0x15f0 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: 0033:0x7fa2a4113b19 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:00007fa2a1689188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa2a4226f60 RCX: 00007fa2a4113b19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007fa2a416df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe0e21a99f R14: 00007fa2a1689300 R15: 0000000000022000 irq event stamp: 10681 hardirqs last enabled at (10725): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (10822): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (2780): [] irq_exit_rcu+0x11f/0x190 softirqs last disabled at (2567): [] irq_exit_rcu+0x11f/0x190 ---[ end trace 0000000000000000 ]--- loop0: detected capacity change from 0 to 2560 sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. EXT4-fs (loop0): bad geometry: first data block 294912 is beyond end of filesystem (256) sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 327680 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 393216 is beyond end of filesystem (256) sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.3 not setting count and/or reply_len properly loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 458752 is beyond end of filesystem (256) platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 458752 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 525312 is beyond end of filesystem (256) sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in; program syz-executor.3 not setting count and/or reply_len properly 9pnet_fd: p9_fd_create_tcp (191203): problem connecting socket to 127.0.0.1 Bluetooth: hci3: command 0x0406 tx timeout loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 676608 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 676608 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 786432 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 786432 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 1572864 is beyond end of filesystem (256) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=191804 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=191804 comm=syz-executor.4 loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 1835008 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 2097152 is beyond end of filesystem (256) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=192119 comm=syz-executor.5 loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 2098176 is beyond end of filesystem (256) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=192333 comm=syz-executor.4 loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 2228224 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 2293760 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 2293760 is beyond end of filesystem (256) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=192408 comm=syz-executor.5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=192414 comm=syz-executor.4 loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 4128768 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 4194304 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 5242880 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 5442048 is beyond end of filesystem (256) SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=192840 comm=syz-executor.5 loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 6881280 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 6881280 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 7340032 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 7340032 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 8389632 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 15728640 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 15728640 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 16253696 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 16253696 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 16319232 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 16319232 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 16711424 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 16776704 is beyond end of filesystem (256) loop0: detected capacity change from 0 to 2560 EXT4-fs (loop0): bad geometry: first data block 16776704 is beyond end of filesystem (256)