------------[ cut here ]------------
WARNING: CPU: 1 PID: 12462 at lib/iov_iter.c:385 _copy_from_iter+0x2f1/0x1320
Modules linked in:
CPU: 1 PID: 12462 Comm: syz-executor.3 Not tainted 6.4.0-rc5-next-20230608 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1320
Code: b2 ff ff 89 c3 e9 1f ff ff ff e8 5a f1 35 ff be 85 01 00 00 48 c7 c7 00 f5 9e 84 e8 89 4f 5a ff e9 13 fe ff ff e8 3f f1 35 ff <0f> 0b 45 31 f6 e9 67 ff ff ff e8 30 f1 35 ff 31 ff 89 ee e8 67 ec
RSP: 0018:ffff88800e517608 EFLAGS: 00010212
RAX: 000000000000473c RBX: 0000000000000000 RCX: ffffc90004d11000
RDX: 0000000000040000 RSI: ffffffff821616b1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffffffff81810345 R12: 0000000000001000
R13: ffffea000101d800 R14: 0000000000001000 R15: ffff88800e517838
FS: 00007f653eea3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb1e9693a4 CR3: 000000003a368000 CR4: 0000000000350ee0
Call Trace:
copy_page_from_iter+0xe3/0x180
blk_rq_map_user_iov+0xb39/0x16c0
blk_rq_map_user_io+0x1d1/0x200
sg_common_write.constprop.0+0xd8d/0x15f0
sg_write.part.0+0x69e/0xac0
sg_write+0x8d/0xe0
vfs_write+0x2b9/0xd70
ksys_write+0x122/0x250
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
RIP: 0033:0x7f654192db19
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:00007f653eea3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6541a40f60 RCX: 00007f654192db19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f6541987f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc185cc11f R14: 00007f653eea3300 R15: 0000000000022000
irq event stamp: 6861
hardirqs last enabled at (6935): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (7008): [] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last enabled at (6494): [] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (6245): [] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---
selinux_netlink_send: 22 callbacks suppressed
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12462 comm=syz-executor.3
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
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12496 comm=syz-executor.3
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12503 comm=syz-executor.0
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.6 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.4 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.7 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
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12523 comm=syz-executor.4
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12520 comm=syz-executor.5
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12518 comm=syz-executor.6
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.0 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12525 comm=syz-executor.3
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12531 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12528 comm=syz-executor.7
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=12537 comm=syz-executor.5
Bluetooth: hci2: command 0x0409 tx timeout
Bluetooth: hci0: command 0x0401 tx timeout
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
tmpfs: Bad value for 'mpol'
audit: type=1326 audit(1686221714.913:23): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12675 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f93d1f6bb19 code=0x0
audit: type=1326 audit(1686221715.734:24): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12675 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f93d1f6bb19 code=0x0
Bluetooth: hci2: command 0x0409 tx timeout
audit: type=1326 audit(1686221716.063:25): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12699 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f93d1f6bb19 code=0x0
Bluetooth: hci0: command 0x0401 tx timeout
audit: type=1326 audit(1686221717.021:26): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12727 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f93d1f6bb19 code=0x0
Bluetooth: hci2: command 0x0409 tx timeout
loop6: detected capacity change from 0 to 512
audit: type=1326 audit(1686221717.986:27): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=12765 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f93d1f6bb19 code=0x0
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
Bluetooth: hci0: command 0x0401 tx timeout
EXT4-fs error (device loop6): ext4_validate_block_bitmap:437: comm syz-executor.6: bg 0: block 2: invalid block bitmap
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop6: detected capacity change from 0 to 512
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop6: detected capacity change from 0 to 512
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Bluetooth: hci2: command 0x0409 tx timeout
loop6: detected capacity change from 0 to 512
Bluetooth: hci0: command 0x0401 tx timeout
EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.
EXT4-fs warning (device sda): ext4_group_extend:1861: can't shrink FS - resize aborted
EXT4-fs warning (device sda): ext4_group_extend:1861: can't shrink FS - resize aborted