sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4341 at lib/iov_iter.c:629 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 4341 Comm: syz-executor.5 Not tainted 6.2.0-rc7-next-20230207 #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 72 56 33 02 e8 69 2e 36 ff be 79 02 00 00 48 c7 c7 80 c9 9e 84 e8 48 fc 59 ff e9 51 fe ff ff e8 4e 2e 36 ff <0f> 0b 45 31 f6 eb 87 e8 42 2e 36 ff 31 ff 89 ee e8 a9 29 36 ff 40
RSP: 0018:ffff88800b347608 EFLAGS: 00010216
RAX: 0000000000007128 RBX: 0000000000000000 RCX: ffffc900047fb000
RDX: 0000000000040000 RSI: ffffffff82153472 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88800b347838 R14: 0000000000001000 R15: ffff88800b347838
FS: 00007ff4d69b8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd394c2a50 CR3: 000000003def0000 CR4: 0000000000350ee0
Call Trace:
<TASK>
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: 0033:0x7ff4d9442b19
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:00007ff4d69b8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff4d9555f60 RCX: 00007ff4d9442b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007ff4d949cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffccca4bcaf R14: 00007ff4d69b8300 R15: 0000000000022000
</TASK>
irq event stamp: 10223
hardirqs last enabled at (10267): [<ffffffff8460144a>] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (10296): [<ffffffff8446523f>] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last enabled at (7400): [<ffffffff8118cdec>] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (6897): [<ffffffff8118cdec>] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
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
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
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
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
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
audit: type=1400 audit(1675768849.476:11): avc: denied { block_suspend } for pid=4521 comm="syz-executor.0" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
syz-executor.0 calls setitimer() with new_value NULL pointer. Misfeature support will be removed
loop4: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop4: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop4: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop4: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop3: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop3: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop2: detected capacity change from 0 to 264192
loop3: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop5: detected capacity change from 0 to 264192
loop4: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop2: detected capacity change from 0 to 264192
loop5: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
capability: warning: `syz-executor.7' uses 32-bit capabilities (legacy support in use)
loop5: detected capacity change from 0 to 264192
loop2: detected capacity change from 0 to 264192
tmpfs: Unknown parameter 'fowner'
loop4: detected capacity change from 0 to 1024
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir675316509/syzkaller.xH9m76/38/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop4: detected capacity change from 0 to 1024
EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir675316509/syzkaller.xH9m76/39/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop4): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop4: detected capacity change from 0 to 1024