sg_write: data in/out 16/1199 bytes for SCSI command 0xb5-- guessing data in; program syz-executor.7 not setting count and/or reply_len properly ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8632 at lib/iov_iter.c:364 _copy_from_iter+0x2b2/0x1140 Modules linked in: CPU: 1 PID: 8632 Comm: syz-executor.7 Not tainted 6.3.0-rc2-next-20230317 #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 52 f0 32 02 e8 09 66 36 ff be 70 01 00 00 48 c7 c7 c0 bd 9e 84 e8 68 53 5a ff e9 51 fe ff ff e8 ee 65 36 ff <0f> 0b 45 31 f6 eb 87 e8 e2 65 36 ff 31 ff 89 ee e8 19 61 36 ff 40 RSP: 0018:ffff8880189b7608 EFLAGS: 00010212 RAX: 0000000000000e16 RBX: 0000000000000000 RCX: ffffc90007005000 RDX: 0000000000040000 RSI: ffffffff8214f712 RDI: 0000000000000001 RBP: 00000000000004af R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff8880189b7838 R14: 00000000000004af R15: ffff8880189b7838 FS: 00007f137a782700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c521000 CR3: 000000002084e000 CR4: 0000000000350ee0 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+0x2d8/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f137d20cb19 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:00007f137a782188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f137d31ff60 RCX: 00007f137d20cb19 RDX: 00000000000004df RSI: 0000000020000340 RDI: 0000000000000003 RBP: 00007f137d266f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc8aaf629f R14: 00007f137a782300 R15: 0000000000022000 irq event stamp: 965 hardirqs last enabled at (977): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (986): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (300): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (259): [] __irq_exit_rcu+0xcc/0x110 ---[ end trace 0000000000000000 ]--- loop5: detected capacity change from 0 to 6 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8631 Comm: syz-executor.0 Tainted: G W 6.3.0-rc2-next-20230317 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xc1/0xf0 should_fail_ex+0x4b4/0x5b0 prepare_alloc_pages+0x178/0x500 __alloc_pages+0x149/0x480 alloc_pages+0x1a0/0x260 filemap_alloc_folio+0x374/0x410 __filemap_get_folio+0x284/0x8d0 pagecache_get_page+0x2e/0x120 ext4_da_write_begin+0x328/0x8e0 generic_perform_write+0x25a/0x580 ext4_buffered_write_iter+0x164/0x460 ext4_file_write_iter+0x3ff/0x1950 vfs_write+0x9bd/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f83dfa71b19 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:00007f83dcfe7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f83dfb84f60 RCX: 00007f83dfa71b19 RDX: 00000000000292e9 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f83dcfe71d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd281e0d4f R14: 00007f83dcfe7300 R15: 0000000000022000 loop5: detected capacity change from 0 to 6 program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO sg_write: data in/out 16/1199 bytes for SCSI command 0xb5-- guessing data in; program syz-executor.7 not setting count and/or reply_len properly loop5: detected capacity change from 0 to 7 loop5: detected capacity change from 0 to 7 program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 program syz-executor.4 is using a deprecated SCSI ioctl, please convert it to SG_IO CPU: 1 PID: 8665 Comm: syz-executor.0 Tainted: G W 6.3.0-rc2-next-20230317 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: dump_stack_lvl+0xc1/0xf0 should_fail_ex+0x4b4/0x5b0 copyin+0x19/0x120 copy_page_from_iter_atomic+0x41c/0x14c0 generic_perform_write+0x2cf/0x580 ext4_buffered_write_iter+0x164/0x460 ext4_file_write_iter+0x3ff/0x1950 vfs_write+0x9bd/0xdd0 ksys_write+0x12b/0x260 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f83dfa71b19 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:00007f83dcfc6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f83dfb85020 RCX: 00007f83dfa71b19 RDX: 00000000000292e9 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00007f83dcfc61d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd281e0d4f R14: 00007f83dcfc6300 R15: 0000000000022000 9pnet_fd: p9_fd_create_tcp (8669): problem connecting socket to 127.0.0.1 9pnet_fd: p9_fd_create_tcp (8673): problem connecting socket to 127.0.0.1 program syz-executor.7 is using a deprecated SCSI ioctl, please convert it to SG_IO program syz-executor.7 is using a deprecated SCSI ioctl, please convert it to SG_IO