EXT4-fs (loop4): unsupported descriptor size 0
sg_write: data in/out 27/1439 bytes for SCSI command 0x2a-- guessing data in;
program syz-executor.6 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8103 at lib/iov_iter.c:644 _copy_from_iter+0x2f1/0x1330
Modules linked in:
CPU: 0 PID: 8103 Comm: syz-executor.6 Not tainted 6.3.0-next-20230428 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1330
Code: 36 ff 44 89 f3 e9 2f ff ff ff e8 ea 27 36 ff be 88 02 00 00 48 c7 c7 20 da 9e 84 e8 79 1e 5a ff e9 13 fe ff ff e8 cf 27 36 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 c0 27 36 ff 31 ff 89 ee e8 f7 22
RSP: 0018:ffff888019267608 EFLAGS: 00010216
RAX: 0000000000000e1e RBX: 0000000000000000 RCX: ffffc9000880f000
RDX: 0000000000040000 RSI: ffffffff8215d5e1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000059f
R13: ffffea000116fe00 R14: 000000000000059f R15: ffff888019267838
FS: 00007f76023e4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76023c2d58 CR3: 000000004445c000 CR4: 0000000000350ef0
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+0x2d8/0xdd0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f7604e6eb19
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:00007f76023e4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7604f81f60 RCX: 00007f7604e6eb19
RDX: 00000000000005cd RSI: 0000000020000000 RDI: 0000000000000003
netlink: 40 bytes leftover after parsing attributes in process `syz-executor.0'.
RBP: 00007f7604ec8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd48626eff R14: 00007f76023e4300 R15: 0000000000022000
irq event stamp: 1921
hardirqs last enabled at (1931): [] __up_console_sem+0x78/0x80
netlink: 40 bytes leftover after parsing attributes in process `syz-executor.0'.
hardirqs last disabled at (1938): [] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last enabled at (1342): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1143): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
loop4: detected capacity change from 0 to 112
EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled
EXT4-fs (loop4): unsupported descriptor size 0
loop4: detected capacity change from 0 to 112
EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled
EXT4-fs (loop4): unsupported descriptor size 0