Buffer I/O error on dev sr0, logical block 1, lost async page write 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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5210 at lib/iov_iter.c:623 _copy_from_iter+0x2b2/0x1140 Modules linked in: CPU: 0 PID: 5210 Comm: syz-executor.3 Not tainted 6.3.0-rc1-next-20230308 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2b2/0x1140 Code: 5d 41 5e 41 5f e9 e2 e0 34 02 e8 89 05 35 ff be 73 02 00 00 48 c7 c7 a0 e1 9e 84 e8 08 03 59 ff e9 51 fe ff ff e8 6e 05 35 ff <0f> 0b 45 31 f6 eb 87 e8 62 05 35 ff 31 ff 89 ee e8 99 00 35 ff 40 RSP: 0018:ffff8880161e7608 EFLAGS: 00010212 RAX: 0000000000004e21 RBX: 0000000000000000 RCX: ffffc9000bc2d000 RDX: 0000000000040000 RSI: ffffffff82166742 RDI: 0000000000000001 RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880161e7838 R14: 0000000000001000 R15: ffff8880161e7838 FS: 00007fd0727a9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fec67c74718 CR3: 000000001ef8e000 CR4: 0000000000350ef0 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+0x698/0xac0 sg_write+0x8d/0xe0 vfs_write+0x2cf/0xdc0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd075233b19 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:00007fd0727a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd075346f60 RCX: 00007fd075233b19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007fd07528df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd3434bdf R14: 00007fd0727a9300 R15: 0000000000022000 irq event stamp: 4033 hardirqs last enabled at (4079): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (4120): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2362): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (2243): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- loop5: detected capacity change from 0 to 256 sr 1:0:0:0: [sr0] tag#0 unaligned transfer I/O error, dev sr0, sector 8 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 sr 1:0:0:0: [sr0] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s sr 1:0:0:0: [sr0] tag#0 Sense Key : Illegal Request [current] sr 1:0:0:0: [sr0] tag#0 Add. Sense: Invalid command operation code sr 1:0:0:0: [sr0] tag#0 CDB: Write(10) 2a 00 00 00 00 00 00 00 02 00 critical target error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x800 phys_seg 8 prio class 2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5227 comm=syz-executor.3 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5227 comm=syz-executor.3