warning: checkpointing journal with EXT4_IOC_CHECKPOINT_FLAG_ZEROOUT can be slow
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: 0 PID: 5890 at lib/iov_iter.c:629 _copy_from_iter+0x2f1/0x1130
Modules linked in:
CPU: 0 PID: 5890 Comm: syz-executor.7 Not tainted 6.1.0-rc7-next-20221129 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:_copy_from_iter+0x2f1/0x1130
Code: 37 ff 44 89 f3 e9 2f ff ff ff e8 4a 71 37 ff be 79 02 00 00 48 c7 c7 80 b5 9e 84 e8 79 e0 5a ff e9 13 fe ff ff e8 2f 71 37 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 20 71 37 ff 31 ff 89 ee e8 e7 6c
RSP: 0018:ffff8880413a75e8 EFLAGS: 00010212
RAX: 0000000000008e16 RBX: 0000000000000000 RCX: ffffc900029ec000
RDX: 0000000000040000 RSI: ffffffff8211a7c1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffffea00010f0600 R14: 0000000000001000 R15: ffff8880413a7818
FS: 00007f2d96451700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce22000 CR3: 000000004219a000 CR4: 0000000000350ef0
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+0x706/0xb20
sg_write+0x88/0xe0
vfs_write+0x358/0xe40
ksys_write+0x12b/0x260
do_syscall_64+0x3f/0x90
entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f2d98edbb19
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:00007f2d96451188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f2d98feef60 RCX: 00007f2d98edbb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f2d98f35f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
device syz_tun entered promiscuous mode
R13: 00007ffdfd90b62f R14: 00007f2d96451300 R15: 0000000000022000
irq event stamp: 11995
hardirqs last enabled at (12077): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (12090): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (7814): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (7407): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
device syz_tun left promiscuous mode
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
Bluetooth: hci4: command 0x0406 tx timeout
Bluetooth: hci2: command 0x0406 tx timeout
Bluetooth: hci1: command 0x0406 tx timeout
Bluetooth: hci0: command 0x0406 tx timeout
Bluetooth: hci3: command 0x0406 tx timeout
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
loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir735206745/syzkaller.W9QWCF/99/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop1): unmounting filesystem.
loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir735206745/syzkaller.W9QWCF/100/file0 supports timestamps until 2038 (0x7fffffff)
EXT4-fs (loop1): unmounting filesystem.
EXT4-fs (sda): re-mounted. Quota mode: none.
EXT4-fs (sda): re-mounted. Quota mode: none.
loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir735206745/syzkaller.W9QWCF/101/file0 supports timestamps until 2038 (0x7fffffff)
random: crng reseeded on system resumption
Restarting kernel threads ... done.
EXT4-fs (loop1): unmounting filesystem.
loop1: detected capacity change from 0 to 512
EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback.
ext4 filesystem being mounted at /syzkaller-testdir735206745/syzkaller.W9QWCF/102/file0 supports timestamps until 2038 (0x7fffffff)
random: crng reseeded on system resumption
EXT4-fs (loop1): unmounting filesystem.
random: crng reseeded on system resumption
random: crng reseeded on system resumption
Restarting kernel threads ... done.
random: crng reseeded on system resumption
Restarting kernel threads ... done.
blktrace: Concurrent blktraces are not allowed on sg0
blktrace: Concurrent blktraces are not allowed on sg0
blktrace: Concurrent blktraces are not allowed on sg0
Bluetooth: hci6: command 0x0406 tx timeout
Bluetooth: hci7: command 0x0406 tx timeout