audit: type=1326 audit(1674995320.409:57): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=9168 comm="syz-executor.7" exe="/syz-executor.7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7effc867cb19 code=0x0 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9170 at lib/iov_iter.c:629 _copy_from_iter+0x2b2/0x1140 Modules linked in: CPU: 1 PID: 9170 Comm: syz-executor.5 Not tainted 6.2.0-rc5-next-20230127 #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 c2 55 32 02 e8 29 04 36 ff be 79 02 00 00 48 c7 c7 40 c4 9e 84 e8 a8 b2 59 ff e9 51 fe ff ff e8 0e 04 36 ff <0f> 0b 45 31 f6 eb 87 e8 02 04 36 ff 31 ff 89 ee e8 69 ff 35 ff 40 RSP: 0018:ffff88804825f608 EFLAGS: 00010212 RAX: 0000000000004cc2 RBX: 0000000000000000 RCX: ffffc90004df2000 RDX: 0000000000040000 RSI: ffffffff82155922 RDI: 0000000000000001 RBP: 0000000000001000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88804825f838 R14: 0000000000001000 R15: ffff88804825f838 FS: 00007f5803d54700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c022000 CR3: 00000000480d6000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 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: 0033:0x7f58067deb19 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:00007f5803d54188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f58068f1f60 RCX: 00007f58067deb19 RDX: 0000000000000125 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007f5806838f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa42205af R14: 00007f5803d54300 R15: 0000000000022000 irq event stamp: 1827 hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (950): [] __irq_exit_rcu+0xcc/0x110 softirqs last disabled at (875): [] __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.5 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=61 sclass=netlink_route_socket pid=9184 comm=syz-executor.5 9pnet_virtio: no channels available for device ./file0 9pnet_fd: Insufficient options for proto=fd block device autoloading is deprecated and will be removed. 9pnet_fd: Insufficient options for proto=fd