------------[ cut here ]------------
WARNING: CPU: 0 PID: 10454 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 0 PID: 10454 Comm: syz-executor.0 Not tainted 6.2.0-rc2-next-20230106 #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 45 3a 32 02 e8 7c 28 37 ff be 79 02 00 00 48 c7 c7 c0 d1 9e 84 e8 5b d4 5a ff e9 48 fe ff ff e8 61 28 37 ff <0f> 0b 45 31 f6 eb 87 e8 55 28 37 ff 31 ff 89 ee e8 1c 24 37 ff 40
RSP: 0018:ffff88804770f5e8 EFLAGS: 00010216
RAX: 0000000000002afb RBX: 0000000000000000 RCX: ffffc90002bdd000
RDX: 0000000000040000 RSI: ffffffff82124a1f RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88804770f818
R13: ffffea000119ee00 R14: 0000000000000390 R15: ffff88804770f818
FS: 00007fa439573700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020004038 CR3: 000000004436c000 CR4: 0000000000350ef0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb0c/0x1650
blk_rq_map_user_io+0x1ee/0x220
sg_common_write.constprop.0+0xd84/0x15e0
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: 0033:0x7fa43bffdb19
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:00007fa439573188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa43c110f60 RCX: 00007fa43bffdb19
RDX: 000000000000002b RSI: 0000000020000380 RDI: 0000000000000007
RBP: 00007fa43c057f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc6310b1ef R14: 00007fa439573300 R15: 0000000000022000
irq event stamp: 9613
hardirqs last enabled at (9645): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (9718): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (3124): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (3035): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop4: detected capacity change from 0 to 54
9pnet_virtio: no channels available for device syz
EXT4-fs (loop4): bad geometry: block count 128 exceeds size of device (13 blocks)
loop5: detected capacity change from 0 to 8
EXT4-fs (loop5): bad geometry: block count 128 exceeds size of device (2 blocks)
loop6: detected capacity change from 0 to 512
EXT4-fs error (device loop6): __ext4_fill_super:5382: inode #2: comm syz-executor.6: iget: root inode unallocated
EXT4-fs (loop6): get root inode failed
EXT4-fs (loop6): mount failed
loop2: detected capacity change from 0 to 512
loop4: detected capacity change from 0 to 54
EXT4-fs error (device loop2): __ext4_fill_super:5382: inode #2: comm syz-executor.2: iget: root inode unallocated
sg_write: data in/out 912/1 bytes for SCSI command 0x10-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
EXT4-fs (loop4): bad geometry: block count 128 exceeds size of device (13 blocks)
EXT4-fs (loop2): get root inode failed
EXT4-fs (loop2): mount failed
loop5: detected capacity change from 0 to 5
9pnet_virtio: no channels available for device syz
EXT4-fs (loop5): bad geometry: block count 128 exceeds size of device (1 blocks)
loop6: detected capacity change from 0 to 512
EXT4-fs error (device loop6): __ext4_fill_super:5382: inode #2: comm syz-executor.6: iget: root inode unallocated
EXT4-fs (loop6): get root inode failed
EXT4-fs (loop6): mount failed
No source specified
loop2: detected capacity change from 0 to 512
EXT4-fs error (device loop2): __ext4_fill_super:5382: inode #2: comm syz-executor.2: iget: root inode unallocated
EXT4-fs (loop2): get root inode failed
EXT4-fs (loop2): mount failed