------------[ cut here ]------------
WARNING: CPU: 0 PID: 68615 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170
Modules linked in:
CPU: 0 PID: 68615 Comm: syz-executor.5 Not tainted 6.2.0-rc2-next-20230105 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
tmpfs: Bad value for 'mpol'
RIP: 0010:_copy_from_iter+0x2bf/0x1170
Code: 5d 41 5e 41 5f e9 d5 30 32 02 e8 6c 32 37 ff be 79 02 00 00 48 c7 c7 c0 d1 9e 84 e8 4b de 5a ff e9 48 fe ff ff e8 51 32 37 ff <0f> 0b 45 31 f6 eb 87 e8 45 32 37 ff 31 ff 89 ee e8 0c 2e 37 ff 40
RSP: 0018:ffff888047e875e8 EFLAGS: 00010216
RAX: 0000000000003d36 RBX: 0000000000000000 RCX: ffffc90007a28000
RDX: 0000000000040000 RSI: ffffffff8212428f RDI: 0000000000000001
tmpfs: Bad value for 'mpol'
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888047e87818
R13: ffffea000111a800 R14: 0000000000001000 R15: ffff888047e87818
FS: 00007fbffd7dc700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe1682de08 CR3: 00000000425c2000 CR4: 0000000000350ef0
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: 0033:0x7fc000266b19
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:00007fbffd7dc188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc000379f60 RCX: 00007fc000266b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007fc0002c0f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8ff2d44f R14: 00007fbffd7dc300 R15: 0000000000022000
irq event stamp: 3289
hardirqs last enabled at (3323): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (3352): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (664): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (649): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop1: detected capacity change from 0 to 40
tmpfs: Bad value for 'mpol'
sg_write: data in/out 524252/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
sg_write: data in/out 524252/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.5 not setting count and/or reply_len properly
loop1: detected capacity change from 0 to 40
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
loop1: detected capacity change from 0 to 40
Process accounting resumed
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'.
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
Process accounting resumed
Process accounting resumed
loop1: detected capacity change from 0 to 40
Process accounting resumed
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'.
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=40, nr_sectors = 4 limit=40
Process accounting resumed
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'.
Process accounting resumed
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
Process accounting resumed
Process accounting resumed
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16