IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3823 at lib/iov_iter.c:629 _copy_from_iter+0x2f1/0x1130
Modules linked in:
CPU: 0 PID: 3823 Comm: syz-executor.1 Not tainted 6.1.0-rc7-next-20221130 #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 2f 37 ff be 79 02 00 00 48 c7 c7 80 b9 9e 84 e8 29 97 5a ff e9 13 fe ff ff e8 2f 2f 37 ff <0f> 0b 45 31 f6 e9 77 ff ff ff e8 20 2f 37 ff 31 ff 89 ee e8 e7 2a
RSP: 0018:ffff8880452575e8 EFLAGS: 00010212
RAX: 000000000000a7a9 RBX: 0000000000000000 RCX: ffffc90001bed000
RDX: 0000000000040000 RSI: ffffffff8211e9c1 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000
R13: ffffea000114a400 R14: 0000000000001000 R15: ffff888045257818
FS: 00007f1ebc542700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fae08daf610 CR3: 000000001c9de000 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: 0033:0x7f1ebefccb19
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:00007f1ebc542188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f1ebf0dff60 RCX: 00007f1ebefccb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007f1ebf026f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe930b00ef R14: 00007f1ebc542300 R15: 0000000000022000
irq event stamp: 11979
hardirqs last enabled at (12043): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (12128): [] sysvec_apic_timer_interrupt+0xf/0xc0
softirqs last enabled at (3716): [] __irq_exit_rcu+0x11b/0x180
softirqs last disabled at (3303): [] __irq_exit_rcu+0x11b/0x180
---[ end trace 0000000000000000 ]---
audit: type=1400 audit(1669852645.266:9): avc: denied { read } for pid=3821 comm="syz-executor.1" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
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
syz-executor.5: attempt to access beyond end of device
loop5: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop5, logical block 10, lost async page write
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.1 not setting count and/or reply_len properly
loop5: detected capacity change from 0 to 40
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
loop2: detected capacity change from 0 to 40
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
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
Bluetooth: hci6: unexpected cc 0x0c03 length: 249 > 1
Bluetooth: hci6: unexpected cc 0x1003 length: 249 > 9
Bluetooth: hci6: unexpected cc 0x1001 length: 249 > 9
Bluetooth: hci6: unexpected cc 0x0c23 length: 249 > 4
Bluetooth: hci6: unexpected cc 0x0c25 length: 249 > 3
Bluetooth: hci6: unexpected cc 0x0c38 length: 249 > 2
Bluetooth: hci6: command 0x0409 tx timeout
Bluetooth: hci6: command 0x041b tx timeout