------------[ cut here ]------------
WARNING: CPU: 0 PID: 11727 at lib/iov_iter.c:364 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 0 PID: 11727 Comm: syz-executor.6 Not tainted 6.2.0-rc7-next-20230210 #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 d2 5f 33 02 e8 69 13 36 ff be 70 01 00 00 48 c7 c7 a0 cc 9e 84 e8 c8 e8 59 ff e9 51 fe ff ff e8 4e 13 36 ff <0f> 0b 45 31 f6 eb 87 e8 42 13 36 ff 31 ff 89 ee e8 a9 0e 36 ff 40
RSP: 0018:ffff8880447c7608 EFLAGS: 00010216
RAX: 0000000000006db3 RBX: 0000000000000000 RCX: ffffc9000300b000
RDX: 0000000000040000 RSI: ffffffff82155c52 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8880447c7838 R14: 0000000000001000 R15: ffff8880447c7838
FS: 00007efef751f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c423000 CR3: 00000000438ba000 CR4: 0000000000350ef0
Call Trace:
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: 0033:0x7efef9fa9b19
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:00007efef751f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007efefa0bcf60 RCX: 00007efef9fa9b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007efefa003f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffbdfd46ef R14: 00007efef751f300 R15: 0000000000022000
irq event stamp: 8485
hardirqs last enabled at (8541): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (8602): [] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last enabled at (2060): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (1465): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 11738 Comm: syz-executor.1 Tainted: G W 6.2.0-rc7-next-20230210 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xc1/0xf0
should_fail_ex+0x4b4/0x5b0
_copy_from_user+0x2e/0x180
memdup_user+0x72/0xd0
strndup_user+0x78/0xe0
__do_sys_request_key+0x107/0x3b0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7fea39826b19
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:00007fea36d9c188 EFLAGS: 00000246 ORIG_RAX: 00000000000000f9
RAX: ffffffffffffffda RBX: 00007fea39939f60 RCX: 00007fea39826b19
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 00000000200001c0
RBP: 00007fea36d9c1d0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe040698af R14: 00007fea36d9c300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 11740 Comm: syz-executor.4 Tainted: G W 6.2.0-rc7-next-20230210 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xc1/0xf0
should_fail_ex+0x4b4/0x5b0
should_failslab+0x9/0x20
kmem_cache_alloc+0x5a/0x320
key_alloc+0x3d5/0x1280
keyring_alloc+0x46/0xc0
lookup_user_key+0xbf3/0x12a0
__do_sys_request_key+0x1a4/0x3b0
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f2ef40afb19
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:00007f2ef1625188 EFLAGS: 00000246 ORIG_RAX: 00000000000000f9
RAX: ffffffffffffffda RBX: 00007f2ef41c2f60 RCX: 00007f2ef40afb19
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 00000000200001c0
RBP: 00007f2ef16251d0 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001
R13: 00007fffcf534d2f R14: 00007f2ef1625300 R15: 0000000000022000