audit: type=1400 audit(1670324923.033:9): avc: denied { read } for pid=3796 comm="syz-executor.5" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
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
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3801 at lib/iov_iter.c:629 _copy_from_iter+0x2f1/0x1130
Modules linked in:
CPU: 1 PID: 3801 Comm: syz-executor.5 Not tainted 6.1.0-rc8-next-20221206 #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 7a 07 37 ff be 79 02 00 00 48 c7 c7 80 c0 9e 84 e8 49 87 5a ff e9 13 fe ff ff e8 5f 07 37 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 50 07 37 ff 31 ff 89 ee e8 17 03
RSP: 0018:ffff8880408b75e8 EFLAGS: 00010202
RAX: 0000000000003f80 RBX: 0000000000000000 RCX: ffffc9000921c000
RDX: 0000000000040000 RSI: ffffffff82124d21 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffffea0001027600 R14: 0000000000001000 R15: ffff8880408b7818
FS: 00007f5c196ef700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff795686d5c CR3: 000000003a566000 CR4: 0000000000350ee0
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: 0033:0x7f5c1c19ab19
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:00007f5c196ef188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5c1c2ae020 RCX: 00007f5c1c19ab19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000006
RBP: 00007f5c1c1f4f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffee0d4ab8f R14: 00007f5c196ef300 R15: 0000000000022000
irq event stamp: 2333
hardirqs last enabled at (2343): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2354): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2646): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (2659): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
loop3: detected capacity change from 0 to 40
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Zero length message leads to an empty skb
loop3: detected capacity change from 0 to 40
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
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
loop3: detected capacity change from 0 to 40
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
loop3: detected capacity change from 0 to 40
9pnet_virtio: no channels available for device ./file0
loop7: detected capacity change from 0 to 40
9pnet_virtio: no channels available for device ./file0
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.5 not setting count and/or reply_len properly
9pnet_virtio: no channels available for device ./file0
loop7: detected capacity change from 0 to 40
mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
9pnet_virtio: no channels available for device ./file0
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
loop7: detected capacity change from 0 to 40
9pnet_virtio: no channels available for device ./file0
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.0 not setting count and/or reply_len properly
9pnet_virtio: no channels available for device ./file0
9pnet_virtio: no channels available for device ./file0
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
netlink: 'syz-executor.3': attribute type 4 has an invalid length.
netlink: 'syz-executor.6': attribute type 4 has an invalid length.
netlink: 'syz-executor.3': attribute type 4 has an invalid length.
netlink: 'syz-executor.0': attribute type 4 has an invalid length.
9pnet_fd: Insufficient options for proto=fd
netlink: 'syz-executor.0': attribute type 4 has an invalid length.
netlink: 'syz-executor.3': attribute type 4 has an invalid length.
netlink: 'syz-executor.6': attribute type 4 has an invalid length.
9pnet_fd: Insufficient options for proto=fd
netlink: 'syz-executor.0': attribute type 4 has an invalid length.
netlink: 'syz-executor.3': attribute type 4 has an invalid length.
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd
audit: type=1400 audit(1670324931.750:10): avc: denied { write } for pid=4217 comm="syz-executor.6" name="task" dev="proc" ino=15718 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1
audit: type=1400 audit(1670324931.753:11): avc: denied { add_name } for pid=4217 comm="syz-executor.6" name="4224" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1
audit: type=1400 audit(1670324931.755:12): avc: denied { create } for pid=4217 comm="syz-executor.6" name="4224" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:kernel_t:s0 tclass=file permissive=1
syz_tun: refused to change device tx_queue_len
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd
syz_tun: refused to change device tx_queue_len
9pnet_fd: Insufficient options for proto=fd
syz_tun: refused to change device tx_queue_len
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd
9pnet_fd: Insufficient options for proto=fd