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.6 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4985 at lib/iov_iter.c:629 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 0 PID: 4985 Comm: syz-executor.6 Not tainted 6.2.0-rc7-next-20230208 #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 22 56 33 02 e8 b9 2f 36 ff be 79 02 00 00 48 c7 c7 40 ca 9e 84 e8 68 fc 59 ff e9 51 fe ff ff e8 9e 2f 36 ff <0f> 0b 45 31 f6 eb 87 e8 92 2f 36 ff 31 ff 89 ee e8 f9 2a 36 ff 40
RSP: 0018:ffff8880433df608 EFLAGS: 00010216
RAX: 0000000000011507 RBX: 0000000000000000 RCX: ffffc90006dfa000
RDX: 0000000000040000 RSI: ffffffff821534c2 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff8880433df838 R14: 0000000000001000 R15: ffff8880433df838
FS: 00007f53b79a9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc9bfc2d98 CR3: 000000000c73e000 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: 0033:0x7f53ba433b19
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:00007f53b79a9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f53ba546f60 RCX: 00007f53ba433b19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f53ba48df6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe4ff7c33f R14: 00007f53b79a9300 R15: 0000000000022000
irq event stamp: 23035
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=4988 comm=syz-executor.6
hardirqs last enabled at (23435): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (23624): [] sysvec_apic_timer_interrupt+0xf/0x90
softirqs last enabled at (5320): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (4949): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
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.6 not setting count and/or reply_len properly
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5013 comm=syz-executor.0
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
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
IPv6: NLM_F_CREATE should be set when creating new route
IPv6: NLM_F_CREATE should be set when creating new route
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5036 comm=syz-executor.0
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
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=5059 comm=syz-executor.0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5061 comm=syz-executor.6
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
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
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=5080 comm=syz-executor.6
IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE
audit: type=1400 audit(1675856140.395:11): avc: denied { map } for pid=5109 comm="syz-executor.4" path="pipe:[17938]" dev="pipefs" ino=17938 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=fifo_file permissive=1
blktrace: Concurrent blktraces are not allowed on sg0
loop0: detected capacity change from 0 to 40
blktrace: Concurrent blktraces are not allowed on sg0
kworker/u4:3: attempt to access beyond end of device
loop0: rw=1, sector=124, nr_sectors = 4 limit=40
buffer_io_error: 38 callbacks suppressed
Buffer I/O error on dev loop0, logical block 31, lost async page write
loop0: detected capacity change from 0 to 40
kworker/u4:9: attempt to access beyond end of device
loop0: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop0, logical block 31, lost async page write
loop1: detected capacity change from 0 to 40
loop0: detected capacity change from 0 to 40
kworker/u4:1: attempt to access beyond end of device
loop0: rw=1, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop0, logical block 31, lost async page write
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
loop0: detected capacity change from 0 to 40
loop1: detected capacity change from 0 to 40
device syz_tun entered promiscuous mode
device syz_tun left promiscuous mode
syz-executor.1: attempt to access beyond end of device
loop1: rw=2049, sector=124, nr_sectors = 4 limit=40
Buffer I/O error on dev loop1, logical block 31, lost async page write
loop1: detected capacity change from 0 to 40
netlink: 164 bytes leftover after parsing attributes in process `syz-executor.2'.
EXT4-fs warning (device sda): verify_group_input:150: Cannot add at group 1025 (only 16 groups)
blktrace: Concurrent blktraces are not allowed on sg0