loop4: detected capacity change from 0 to 40
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 not setting count and/or reply_len properly
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4082 at lib/iov_iter.c:623 _copy_from_iter+0x2b2/0x1140
Modules linked in:
CPU: 1 PID: 4082 Comm: syz-executor.2 Not tainted 6.2.0-next-20230306 #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 b2 fe 34 02 e8 b9 16 35 ff be 73 02 00 00 48 c7 c7 e0 eb 9e 84 e8 78 0b 59 ff e9 51 fe ff ff e8 9e 16 35 ff <0f> 0b 45 31 f6 eb 87 e8 92 16 35 ff 31 ff 89 ee e8 c9 11 35 ff 40
RSP: 0018:ffff888045357608 EFLAGS: 00010216
RAX: 0000000000005479 RBX: 0000000000000000 RCX: ffffc900033e1000
RDX: 0000000000040000 RSI: ffffffff82166ab2 RDI: 0000000000000001
RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888045357838 R14: 0000000000001000 R15: ffff888045357838
FS: 00007fad61944700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c722000 CR3: 0000000044f30000 CR4: 0000000000350ee0
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: 0033:0x7fad643ceb19
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:00007fad61944188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fad644e1f60 RCX: 00007fad643ceb19
RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005
RBP: 00007fad64428f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcdedcc17f R14: 00007fad61944300 R15: 0000000000022000
irq event stamp: 6379
hardirqs last enabled at (6411): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20
hardirqs last disabled at (6444): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (5796): [] __irq_exit_rcu+0xcc/0x110
softirqs last disabled at (5743): [] __irq_exit_rcu+0xcc/0x110
---[ end trace 0000000000000000 ]---
Bluetooth: hci5: unexpected event 0x31 length: 7 > 6
audit: type=1400 audit(1678174540.984:10): avc: denied { read } for pid=4081 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1
lo: entered promiscuous mode
lo: entered allmulticast mode
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 not setting count and/or reply_len properly
loop4: detected capacity change from 0 to 40
sg_write: data in/out 917468/251 bytes for SCSI command 0x0-- guessing data in;
program syz-executor.2 not setting count and/or reply_len properly