------------[ cut here ]------------ WARNING: CPU: 0 PID: 10378 at lib/iov_iter.c:629 _copy_from_iter+0x2bf/0x1170 Modules linked in: CPU: 0 PID: 10378 Comm: syz-executor.5 Not tainted 6.2.0-rc2-next-20230106 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:_copy_from_iter+0x2bf/0x1170 Code: 5d 41 5e 41 5f e9 45 3a 32 02 e8 7c 28 37 ff be 79 02 00 00 48 c7 c7 c0 d1 9e 84 e8 5b d4 5a ff e9 48 fe ff ff e8 61 28 37 ff <0f> 0b 45 31 f6 eb 87 e8 55 28 37 ff 31 ff 89 ee e8 1c 24 37 ff 40 RSP: 0018:ffff888045907690 EFLAGS: 00010216 RAX: 000000000000061e RBX: 0000000000000000 RCX: ffffc90006407000 RDX: 0000000000040000 RSI: ffffffff82124a1f RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880459078c0 R13: ffffea000102b200 R14: 0000000000001000 R15: ffff8880459078c0 FS: 00007fbf71cd8700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dd21000 CR3: 000000003ecbc000 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_new_write.isra.0+0x523/0x770 sg_ioctl+0x9f2/0x26a0 __x64_sys_ioctl+0x19e/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fbf74762b19 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:00007fbf71cd8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fbf74875f60 RCX: 00007fbf74762b19 RDX: 0000000020000500 RSI: 0000000000002285 RDI: 0000000000000003 RBP: 00007fbf747bcf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0454e33f R14: 00007fbf71cd8300 R15: 0000000000022000 irq event stamp: 1499 hardirqs last enabled at (1509): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1520): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (848): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (747): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]---