warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow
sg_write: data in/out 205/247 bytes for SCSI command 0xc0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4394 at lib/iov_iter.c:644 _copy_from_iter+0x2f1/0x1320
Modules linked in:
CPU: 1 PID: 4394 Comm: syz-executor.0 Not tainted 6.4.0-rc1-next-20230512 #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: 92 ff ff 89 c3 e9 1f ff ff ff e8 fa 01 36 ff be 88 02 00 00 48 c7 c7 a0 d4 9e 84 e8 49 0c 5a ff e9 13 fe ff ff e8 df 01 36 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 d0 01 36 ff 31 ff 89 ee e8 07 fd
RSP: 0018:ffff88804584f608 EFLAGS: 00010216
RAX: 000000000000189b RBX: 0000000000000000 RCX: ffffc90000bd5000
RDX: 0000000000040000 RSI: ffffffff8215e9c1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 00000000000000f7
R13: ffffea0001100600 R14: 00000000000000f7 R15: ffff88804584f838
FS: 00007ff74ad6f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd0080efc8 CR3: 000000000c508000 CR4: 0000000000350ee0
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+0x72/0xdc
RIP: 0033:0x7ff74d81ab19
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:00007ff74ad6f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff74d92e020 RCX: 00007ff74d81ab19
RDX: 0000000000000125 RSI: 0000000020000000 RDI: 0000000000000007
RBP: 00007ff74d874f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffdc9e37ff R14: 00007ff74ad6f300 R15: 0000000000022000
irq event stamp: 907
hardirqs last enabled at (917): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (928): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (520): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (513): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
sg_write: data in/out 205/247 bytes for SCSI command 0xc0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
sg_write: data in/out 205/247 bytes for SCSI command 0xc0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly