sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5871 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1150
Modules linked in:
CPU: 1 PID: 5871 Comm: syz-executor.7 Not tainted 6.2.0-rc1-next-20221226 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2bf/0x1150
Code: 5d 41 5e 41 5f e9 a5 9f 2f 02 e8 9c a3 37 ff be 79 02 00 00 48 c7 c7 80 cb 9e 84 e8 6b 18 5b ff e9 48 fe ff ff e8 81 a3 37 ff <0f> 0b 45 31 f6 eb 87 e8 75 a3 37 ff 31 ff 89 ee e8 3c 9f 37 ff 40
RSP: 0018:ffff8880482a75e8 EFLAGS: 00010212
RAX: 0000000000003f35 RBX: 0000000000000000 RCX: ffffc90008425000
RDX: 0000000000040000 RSI: ffffffff821139ff RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880482a7818
R13: ffffea0001205200 R14: 0000000000001000 R15: ffff8880482a7818
FS: 00007f40f08a5700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1a8e8a3f64 CR3: 000000000e78a000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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+0x88/0xe0
vfs_write+0x2cf/0xd90
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f40f332fb19
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:00007f40f08a5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f40f3442f60 RCX: 00007f40f332fb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f40f3389f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd0c034acf R14: 00007f40f08a5300 R15: 0000000000022000
irq event stamp: 1219
hardirqs last enabled at (1231): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1242): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (414): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (325): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 5898 Comm: syz-executor.3 Tainted: G W 6.2.0-rc1-next-20221226 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0x8f/0xb7
should_fail_ex.cold+0x5/0xa
should_failslab+0x9/0x20
kmem_cache_alloc+0x5a/0x410
__es_insert_extent+0x3a9/0x12f0
ext4_es_insert_extent+0x2db/0xc00
ext4_map_blocks+0xa0d/0x19e0
ext4_alloc_file_blocks.isra.0+0x2df/0xbd0
ext4_fallocate+0x437/0x3eb0
vfs_fallocate+0x48d/0xe00
__x64_sys_fallocate+0xd3/0x140
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f6cd0a3ab19
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:00007f6ccdfb0188 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f6cd0b4df60 RCX: 00007f6cd0a3ab19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f6ccdfb01d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffe2ef8ea5f R14: 00007f6ccdfb0300 R15: 0000000000022000