sg_write: data in/out 1500/1 bytes for SCSI command 0x6c-- guessing data in;
program syz-executor.7 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7637 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 1 PID: 7637 Comm: syz-executor.7 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:ffff888006a275e8 EFLAGS: 00010212
RAX: 0000000000001111 RBX: 0000000000000000 RCX: ffffc9000bc25000
RDX: 0000000000040000 RSI: ffffffff82124a1f RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888006a27818
R13: ffffea00011d2e00 R14: 00000000000005dc R15: ffff888006a27818
FS: 00007f1b62dbc700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f21eb771018 CR3: 0000000036f4c000 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+0x8d/0xe0
vfs_write+0x2cf/0xdd0
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f1b65846b19
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:00007f1b62dbc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1b65959f60 RCX: 00007f1b65846b19
RDX: 0000000000000031 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f1b658a0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff4205f5ff R14: 00007f1b62dbc300 R15: 0000000000022000
irq event stamp: 1361
hardirqs last enabled at (1371): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1382): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (666): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (655): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7659 Comm: syz-executor.6 Tainted: G W 6.2.0-rc2-next-20230106 #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_lru+0x6b/0x570
__d_alloc+0x31/0x9c0
d_alloc_parallel+0x10e/0x1660
proc_fill_cache+0x2e6/0x470
proc_map_files_readdir+0x8a8/0xb40
iterate_dir+0x57c/0x700
__x64_sys_getdents+0x13e/0x2c0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f2076206b19
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:00007f207377c188 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
RAX: ffffffffffffffda RBX: 00007f2076319f60 RCX: 00007f2076206b19
RDX: 0000000000001000 RSI: 0000000020001f40 RDI: 0000000000000003
RBP: 00007f207377c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fffc34e1eef R14: 00007f207377c300 R15: 0000000000022000